What lifting tackle operatives to note the following , please read carefully

(1), before starting a new block using 1.25 times the rated load test.
(2) prior to use to identify the block of nominal weight, are not allowed to play a load, can not be identified when the look-up table.
(3) Check tackle the parts are intact, assembly for problems, such as defective, is strictly prohibited.
(4), rope diameter must meet the trolley manufacturers, rope and pulley groove angle of no more than 40 to 60.
(5), in the direction of the force changes in the larger local and high-altitude operations, not to use the hook-type pulley, you should choose rings style pulley to prevent decoupling, as with hook-type, must be sealed with a lead wire.
(6), during use, to deal with pulleys, shafts regularly add oil to reduce bearing wear.
(7), in the high altitude remove pulleys, ban thrown from a height to prevent injuries and damage to the pulley.
(8), the opening must first tackle the process of using active board properly to prevent rope pop wounding.
(9), after put the rope electric chain block, try to gradually tighten the rope hoists, carefully check the ministries is good, with or without Kasheng, the friction of the Department, can be used after adjustment.
(10), if the multi-door pulley when using one of several door pulley, pulley from the weight should be reduced accordingly, to reduce the weight of the access gates to determine the ratio. How to tackle the use of five doors only crane 30T.
(11), in order to improve the ability to block the lifting group, reducing resistance when lifting large equipment, should be double-double kneeling head pulley block, if only a single kneeling head wear around the law. Use flowers worn. When the number of gates using pulley more, best worn with a large flower, kneeling rope tension must be within the range of safe traction hoist, wire rope safety factor used shall not be less than 5.
(12), two pulley sheave pulley block should maintain a certain distance from the center, can not be less than the specified value

Features of ewxplosion-proof electric chain hoist

Explosion-proof electric trolleys all electrical wiring and other components are concentrated in the explosion chamber, is proof isolation;
Explosion-proof electric chain hoist chain hoist uses 80 high-strength manganese steel chain, the safety factor of four times higher than the normal chain of even larger;
Explosion-proof electric chain hoist hook high intensity heat, designed with safety tongues, safe operation;
Explosion-proof electric hoist 110v double brakes, limit switches, and other upper and lower limit continuation  chain hoist high quality;
Explosion-proof electric chain hoist application areas:
Explosion-proof electric chain hoist is mainly used in flammable gas, dust or mixture within a plant or plants, including mining, chemical, pharmaceutical and other industries.
Explosion-proof electric chain hoist all electrical wiring and other components are concentrated in the explosion chamber, is proof isolation; hook: high intensity heat hook, designed with safety tongues, safe operation; chain: 80 high-strength manganese steel chain, the safety factor of four times higher than the normal chain of even greater dual brakes, limit switches, such as the continuation of the upper and lower limit, high-quality proof electric chain hoist, explosion-proof electric chain hoist points fixed and running style, are can be customized, we will play according to the customer's requirements to customize liter electric chain hoist lifting height. Because proof electric chain hoist with isolation explosion-proof function, and therefore mainly used in an explosive flammable environment.

Parts Maintenance proof electric chain hoist is like?

1, the wire rope hoist manufacturers, wire rope lifting equipment load-bearing parts, it must often "cleansing", regular lubrication. When any part of the rope twist festival appearance, broken, and we have to make the appropriate treatment, which requires us to skillfully use to extend the life of the rope.
2, bearings, each time after using a crane to be for bearing lubrication, when it should be done in time to replace the cracks.
3, the wheel, due to the relatively large load, coupled with the frequent use of the process, walking distance is relatively far away, and therefore, if the wheel diameter smaller than the original diameter when 10mm, should be replaced.
4, brakes, mainly used in hand chain hoistand operation mechanism, should maintain a daily habit to check if the brake wheel qualify burnt to explain the temperature is too high, adjust the brake shoe in its temperature does not exceed 200 ℃ circumstances and maintain the same gap between the brake drum, and often with kerosene to scrub.

Explosion-proof electric chain hoist Caution

1. Do not overload use. Before use is required to confirm parts intact, transmission parts and lift hoist oiled, idling situation to normal. Check before lifting hook is hanging down firmly. Do weights hanging at the tip of such erroneous operation.
2, explosion-proof electric trolleys at the time after cleaning and maintenance, load test should be carried out to confirm the work, reliable braking can be delivered. Brake friction surfaces must be kept clean. Brakes should be inspected regularly part to prevent brake failure, the occurrence of physical phenomena since the fall.
3, explosion-proof electric chain hoist lifting chain should be hung vertically, not a wrong twist of chain link, double under hook rack chain not flip. When lifting weights, strictly prohibited under heavy loads to do any work or walking, in order to avoid injury.
4, explosion-proof electric chain hoist in the gourd after use should be cleaned and coated with anti-rust oil, stored in a dry place. Maintenance and repair should be compared with those who were familiar with the hoist mechanism to prevent the performance of the machine do not understand the principles of free disassembly.

Explosion-proof electric chain hoist voltage transformer works like?

 Below we explain three points:
1, tap: to fit the needs of the power grid, the general has tapped transformer high side, can not fully guarantee tap sync switch, load tap so can not run in parallel.
  2, explosion-proof small electric hoist voltage transformer: primary winding turns N1, less secondary winding turns N2, the equivalent of a step-down transformer. PT at work in the primary winding and a secondary winding is connected in parallel, respectively, in the primary circuit and the secondary coil voltage control loop. So if the secondary winding shorted, will result in a very large secondary current.
3, Used / drawer: Handcart and drawers are part of the high voltage switchgear and low voltage switchgear, high voltage circuit breakers are installed and low voltage circuit breakers and relays and other components. They fixed switchgear function is basically the same, the main difference is to facilitate the proof electric hoist maintenance and repair.
Explosion-proof electric chain block can be installed separately using the word overhead beam, explosion-proof electric chain hoist can be installed on supporting electric or manual single-beam, dual-beam, cantilever, gantry cranes. Electric chain hoist, light weight, high level. Explosion-proof chain hoist better safety performance, high reliability, and low failure rate. Working low noise, overload the power, the braking force is superior.

Explosion-proof electric chain hoist literacy knowledge

Explosion-proof electric hoist trolley is our latest design and manufacture of explosion-proof standard lifting equipment, explosion-proof electric hoist required gb3836-2000 design, manufacture and acceptance, the proof in the form of "flameproof" explosion exposed parts of the gourd using a special non-sparking material,
Safe and reliable explosion-proof performance. Product performance testing by the Ministry of Machinery Industry explosion-proof lift hoist for Quality Supervision and Inspection Center of Jiamusi sub-centers, and presented proof certificate; bcd1 explosion-proof electric hoist is mainly applied to class i and ii ab grade class, temperature class t 1 - -t 4
Various explosion hazard group! Ex logo dⅱbt4 and dⅱct4, applicable to a level ⅱa, ⅱb, ⅱc level, temperature class t1-t4 group of flammable gas, steam and air to form an explosive gas mixture of 1 and Zone 2 areas.

Explosion-proof electric chain hoist transformer How does it work?

Explosion-proof hand chain hoist emergency stop switch: When proof electric hoist button is pressed, the power will be cut off, the button lock automatically. Reverse protection circuit design ensures that when the motor power and avoid a wrong phase, does not result in the motor burned. Explosion-proof electric chain block and safety tongue, hook is highly resistant steel forged and heat treated to meet the needs of intensity levels under the hook can be rotated 360 degrees, and with a safety hook tongue in order to ensure the safety of Ascension when. Mechanical load brakes, mechanical load brakes at full load does not result in a fall faster and faster, and is independent of the motor brake, mechanical load brake effect still makes load at a slow rate slowly decreased.

Wire rope hoist is a small lifting equipment

Wire rope hoist is a small lifting equipment, Wire rope hoist with a compact, light weight, small size, parts versatility, easy operation.Lifting crane safety device to remind you also portable electric hoist need to be carefully examined , including overload protection devices protect the load limit limiters position , wind equipment , devices, buffers, and other protective devices after anti- tipping . Overload protection device is sensitive and reliable , meet the design requirements , hydraulic overload protection wire rope electric hoist device opening pressure ; machinery, electronics and integrated overload protection alarm , cut off the power source integrated set point error 1 ton chain hoists meets the requirements .electric wire rope hoist rope before use if found abnormal situation, never operate. Ban on lifting objects by people, never will as electric wire rope hoist elevator hoisting mechanism for manned. Use monorail wire rope hoist high starting torque of the conical rotor brake three-phase asynchronous motors, no plus brakes. Keep the monorail wire rope hoist motor load was 25%, safe and reliable, monorail wire rope hoist also has to prevent hoisting devices.

electric wire rope hoist - Liftech component

Wire rope hoist component are: motor, transmission, drum and wire rope. Mutual position of the motor and the reel to be roughly divided into four different types.
(1) The motor axis is perpendicular to the axis of the reel hoist using worm gear, large width aspect size,small electric hoist structure, bulky, low mechanical efficiency, more difficult process. Manufacturers have no such structure type of product.
(2) parallel to the axis of the roll axis motor is an electric hoist, the advantage of a small height and length dimensions. Its disadvantage is that the large width dimension,permanent magnetic lifter of the packet, the manufacturing and assembly complexity. Track turning radius.
(3) motor mounted on the reel inside the electric hoist, the advantage of a small length size, compact structure. Its main disadvantage is that the motor cooling conditions are poor, poor grouping,lever block inspection, installation, maintenance, motor inconvenience, power supply unit complex.
(4) mounted on the outside of the drum motor hoist, the advantage is for the group is good, high degree of common, easily changing the lift height for easy installation and maintenance. Its disadvantages are: large length dimension.

cheap Wire rope hoist part are

Wire rope hoist part are: motor, transmission, drum and sprocket to the mutual position of the motor and the reel can be broadly divided into four different types.Initial installation or reassembly Wire rope hoist,motorized chain hoist  no-load operation should be carried out operations, but to ensure that the components to be installed, do not energized.Wire rope hoist is a small wire rope hoist lifting equipment,Chain block with a compact, light weight, small size, parts versatility, easy operation, it can be installed separately on the beam, can also be installed used on electric or manual single-beam, dual-beam, cantilever, gantry cranes.hanging objects tied, hanging strong or imbalance may slip, not for lifting operations are not padded edges between objects and cheap wire rope hoist. Unable to see the sites,electric hoist and trolley not for lifting operations suspended matter the situation and command signals. In stoppage or rest, get the hanging objects, hanging baskets, spreader and cable hanging in the air.

Liftech Equipment Wire rope hoist how to care

Liftech Equipment Wire rope hoist prior to each use must be empty starting hoist load operation,manual chain pulley block and check the following items:
A) button can be reliably controlled hoist lifting and running.
B) limiter action is flexible and reliable.
C) when running any abnormal sound or smell.
D) whether the rope is wound on the spool correctly.
Equipment Wire rope hois case is not normal circumstances, should be immediately removed before use. Equipment Wire rope hois prohibited overload, lifting close to the rated load and skeletal material,monorail wire rope hoist should matter weight basis or estimates. Equipment Wire rope hois not tilt when lifting advised jog buttons, making the taut rope line after heavy lifting.

electric wire rope hoist applications

electric wire rope hoist applications: lifting, pull shift, handling heavy loads, tank flip chip bonding,mechanical lifting devices such as installing and moving all kinds of medium-sized concrete, steel, and machinery and equipment for construction and installation companies, factories, mines and civil construction and bridge construction, electric power, shipbuilding, automobile manufacturing, construction, roads, bridges, metallurgical,electric hoist and trolley mining, slope tunnels, wells and other infrastructure construction management protection of machinery and equipment.

Liftech Equipment Wire rope hoist applications

Liftech Equipment Wire rope hoist wire rope hoist are special lifting equipment, with a compact, light weight, small size,manual chain block hoist parts versatility, easy operation. It can be installed separately on the beam, supporting the installation can also be used on electric or manual single girder, double girder, cantilever, gantry cranes.Liftech Equipment Wire rope hoist hoist is mainly used for a variety of lifting, pull shift, handling heavy loads, tank flip chip bonding, such as installing and moving all kinds of medium-sized concrete, steel, and machinery and equipment for construction and installation companies, factories civil construction and bridge construction, electric power, shipbuilding, automobile manufacturing,cheap wire rope hoist construction, roads, bridges, metallurgical, mining, slope tunnels, wells and other infrastructure construction management protection of machinery and equipment.

Liftech Equipment Wire rope hoist the safe operation

Please use the instructions and memorize the contents of the nameplate after the operation, the upper and lower limit stop block adjustment after lifting an object, make sure before using electric cable hoist liftech equipment Wire rope hoistbrake situation is reliable. If found the rope before using any of the following unusual circumstances, never operate. (A) bending, deformation, corrosion and so on. (2) the extent of breaking the rope over the requirements, wear volume.
Please use before installing 500V megger, check the motor and control box insulation resistance, cold resistance at room temperature should be greater than 5MO, before use. Never exceed the rated load capacity of lifting objects, rated load from the hook at the nameplate has been marked.monorail wire rope hoist Ban lifting objects by people on the other as never will hoist elevator hoisting mechanism for manned. The following items shall not be lifting someone.

Three phase cheap wire rope hoist

Three phase electric hoist in the use of safety and technical conditions before checking hook, wire rope,Hoist and trolley reducer and other consumable parts. When in use, prohibit persons from entering the danger zone and sent people hoisting care. three phase electric hoist placed when lifting or bundled items must be standardized in line with lifting requirements, the brakes, the safety device failure, the next hook nut locking device is damaged, rope and other damage to be scrapped prohibited lifting operation. Hanging objects tied, hanging strong or imbalance may slip, not for lifting operations are not padded edges between objects and cheap wire rope hoist.cheap wire rope hoist Unable to see the sites, not for lifting operations suspended matter the situation and command signals. In stoppage or rest, get the hanging objects, hanging baskets, spreader and cable hanging in the air.

Wire rope hoist advantages and components

Wire rope hoist is a small wire rope hoist lifting equipment, with a compact, light weight, small size,wire rope winch parts versatility, easy operation, it can be installed separately on the beam, can also be installed used on electric or manual single-beam, dual-beam, cantilever, gantry cranes. 
Wire rope hoist part are: motor, transmission, drum and sprocket to the mutual position of the motor and the reel can be broadly divided into four different types.Initial installation or reassembly Wire rope hoist,Wire rope hoist no-load operation should be carried out operations, but to ensure that the components to be installed, do not energized

Liftech Equipment Wire rope hoist structural features

Part Liftech Equipment Wire rope hoist are: motor, transmission, drum and wire rope.electric wire rope hoist The mutual position of the motor and the spool can be roughly divided into four different types.
Motor axis is perpendicular to the axis of the reel hoist using worm gear, large width aspect size, structure, bulky, low mechanical efficiency, more difficult process. Manufacturers have no such structural type of product.
Motor axis is parallel to the roll axis of the electric hoist, the advantage of height and length of the small size.monorail wire rope hoist Its disadvantage is that the large width dimension, the packet of the manufacturing and assembly complexity. Track turning radius.
Motor mounted on the reel inside the electric hoist, the advantage is the length of the small size and compact structure. Its main drawback is the motor cooling conditions are poor, poor grouping, inspection, installation, maintenance, motor inconvenience,hand chain hoist power supply unit complex.
Motor mounted on the outside of the drum hoist, the advantage is for the grouping is good, high degree of common, easily changing the lift height for easy installation and maintenance. Its disadvantages are: the length of the large size.

cheap wire rope hoist applications and routine maintenance

cheap wire rope hoist is mainly used for a variety of lifting, pull shift, handling heavy loads, tank flip chip bonding, such as installing and moving all kinds of medium-sized concrete,electric wire rope hoist steel, and machinery and equipment for construction and installation companies, factories and mines of Civil Engineering and Architecture engineering and bridge construction, electric power, shipbuilding, automobile manufacturing, construction, roads, bridges, metallurgical, mining, slope tunnels, wells and other infrastructure construction management protection of machinery and equipment.
In daily inspection, monthly inspection, inspection, and who do not meet the requirements shall immediately repair, adjustment or replacement parts. Maintenance should do the following requirements:
1, when the repair and replacement parts should be with the original material, the same performance;
2, when the structure to be welded repair, the use of materials, welding and weld quality should meet the quality standards of the original structure;
3,wire rope hoist when in working condition, not to carry out maintenance and repair work.

Liftech Equipment Wire rope hoist how to careelectric winch hoist

Liftech Equipment Wire rope hoist prior to each use must be empty starting hoist load operation,electric winch hoist and check the following items:
A) button can be reliably controlled hoist lifting and running.
B) limiter action is flexible and reliable.
C) when running any abnormal sound or smell.
D) whether the rope is wound on the spool correctly.
Equipment Wire rope hois case is not normal circumstances, should be immediately removed before use. Equipment Wire rope hois prohibited overload, lifting close to the rated load and skeletal material,electric wire rope hoist should matter weight basis or estimates. Equipment Wire rope hois not tilt when lifting advised jog buttons, making the taut rope line after heavy lifting.

electric wire rope hoist the safe operation

Please use the instructions and memorize the contents of the nameplate after the operation, the upper and lower limit stop block adjustment after lifting an object, electric wire rope hoist make sure before using electric wire rope hoist brake situation is reliable. If found the rope before using any of the following unusual circumstances, never operate. (1) bending, deformation, corrosion and so on. (2) the extent of breaking the rope over the requirements, wear volume.
Please use before installing 500V megger, check the motor and control box insulation resistance, cold resistance at room temperature should be greater than 5MO, before use.electric wire rope hoists Never exceed the rated load capacity of lifting objects, rated load from the hook at the nameplate has been marked. Ban lifting objects by people on the other as never will hoist elevator hoisting mechanism for manned. The following items shall not be lifting someone.

electric wire rope hoist the introduction and use

Motor axis is perpendicular to the axis of the reel hoist using worm gear, large width aspect size, structure, bulky, low mechanical efficiency, more difficult process.Rope hoist Manufacturers have no such structural type of product.
Motor axis is parallel to the roll axis of the electric hoist, the advantage of height and length of the small size.cheap wire rope hoist Its disadvantage is that the large width dimension, the packet of the manufacturing and assembly complexity. Track turning radius.
Motor mounted on the reel inside the electric hoist, the advantage is the length of the small size and compact structure. Its main drawback is the motor cooling conditions are poor,electric wire rope hoist  inspection, installation, maintenance, motor inconvenience, power supply unit complex.electric wire rope hoistapplications can be divided into: explosion-proof electric wire rope hoist, wire rope electric hoist metallurgy,electric wire rope hoists twin-lift electric wire rope hoist.
electric wire rope hoistis a small wire rope hoist lifting equipment, with a compact, light weight, small size, parts versatility, easy operation,
Rope hoist can be installed separately on the beam, supporting the installation can also be used on electric or manual single girder, double girder, cantilever, gantry cranes.

Liftech Equipment Wire rope hoist applications

Liftech Equipment Wire rope hoist wire rope hoist are special lifting equipment, with a compact, light weight, small size, parts versatility, easy operation. It can be installed separately on the beam, supporting the installation can also be used on electric or manual single girder,electric wire rope hoists double girder, cantilever, gantry cranes.Liftech Equipment Wire rope hoist hoist is mainly used for a variety of lifting, pull shift, handling heavy loads, tank flip chip bonding, such as installing and moving all kinds of medium-sized concrete, steel, and machinery and equipment for construction and installation companies, factories civil construction and bridge construction, electric power, shipbuilding, automobile manufacturing, construction, roads, bridges, metallurgical, mining, slope tunnels, wells and other infrastructure construction management protection of machinery and equipment.

Liftech Equipment Wire rope hoist roughly by the reducer, control box, wire rope, cone-shaped electric motor, button switch.monorail wire rope hoist is suitable for factories, mines,cheap wire rope hoist ports, warehouses, garages, shops and other venues to use.monorail wire rope hoist can be installed only on the beam alone use, can be installed in single girder crane, bridge crane, the gantry cranes, cantilever cranes and other cranes.
monorail wire rope hoist push button switch: make use of the handheld style, lightweight flexible, sub-corded and cordless remote manipulation of two ways.

electric wire rope hoist applications

electric wire rope hoist wire rope hoist are special lifting equipment, with a compact, light weight,electric chain block small size, parts versatility, easy operation. It can be installed separately on the beam, supporting the installation can also be used on electric or manual single girder, double girder, cantilever, gantry cranes.
electric wire rope hoist is mainly used for a variety of lifting, pull shift, handling heavy loads, tank flip chip bonding, such as installing and moving all kinds of medium-sized concrete, steel, and machinery and equipment for construction and installation companies, factories civil construction and bridge construction, electric power,electric wire rope hoist shipbuilding, automobile manufacturing, construction, roads, bridges, metallurgical, mining, slope tunnels, wells and other infrastructure construction management protection of machinery and equipment.

electric wire rope hoist structural features

part of the electric wire rope hoist are: motor, transmission, drum and wire rope. The mutual position of the motor and the spool can be roughly divided into four different types.
Motor axis is perpendicular to the axis of the reel hoist using worm gear, large width aspect size, structure,electric wire rope hoist bulky, low mechanical efficiency, more difficult process. Manufacturers have no such structural type of product.
Motor axis is parallel to the roll axis of the electric hoist, the advantage of height and length of the small size. Its disadvantage is that the large width dimension, the packet of the manufacturing and assembly complexity. Track turning radius.
Motor mounted on the reel inside the electric hoist, the advantage is the length of the small size and compact structure. Its main drawback is the motor cooling conditions are poor, poor grouping,electric wire rope hoists inspection, installation, maintenance, motor inconvenience, power supply unit complex.
Motor mounted on the outside of the drum hoist, the advantage is for the grouping is good, high degree of common, easily changing the lift height for easy installation and maintenance. Its disadvantages are: the length of the large size.

Wire rope hoist hook

At present, there are large quantities of hoist is in common use of the occasion,Wire rope hoist  the work is not very heavy. This kind of crane is large, wide purpose. Considering the comprehensive benefits,1 phase hoist requires future crane to try to decrease the height, to simplify the structure, reduce the weight and wheel pressure, also can make the whole building height decreased, in light of the building structure, reduce the construction cost.
Hoist the hook head is after forging after heat treatment and made. The forging process is a method of metal heat 15 ton electric chain hoist processing technology in the forging process, process is metal microstructure refinement and metal fiber alignment, and heat treatment to eliminate internal stress and improve the mechanical properties of the metal (can be simply understood as the metal internal organization of more compact).
Welding is the whole process of metal melting, mechanical lifting devices partial fusion, curing process. Repair welding, repair welding of low near the hoist hook maternal due to thermal conduction, so that part of the base metals are subject to different degrees of heating and cooling, as to this part of the first heat treatment, have changed the organization and performance of this part, and the majority of welding are for the sunken parts wear hook, and depression and vertical cross-section in the same line. Weld metal microstructure refinement of the hook and metal fiber order is destroyed, reduces the electric hoist mechanical properties.

The operation steps of electric chain hoist the most secure

Always refer to a most steps for the operating equipment, electric hoist with trolley first of all the benefits would be considerable, because this is the effective guarantee of the key, the instrument more smooth application so, great care is needed to master, especially some novice friends need to know, so as to avoid the adverse situation of operation in this regard, the introduction of the electric chain hoist equipment is so, ratchet lever block so today in the following we understand together.

1, hand chain hoist load should be checked before starting, hook is hanging in prison, should make the load on the central hook hook cavity by. Check the overweight chain without twisting the wrong, twisted, lower hook assembly of double chain reversal in the two row chain shall not.

2, NRK hyacinth use found hand zipper pull immobile not jerked, not to increase staff, should immediately stop the hand chain hoist, and the check.

3, such as crane trolley hand zipper pull do not move, check the weight is implicated with other objects; components are damaged; heavy overloading.‍

Matters needing attention in the use of the chain hoist

1  gourd examination should load before the start, hook is hanging in prison, electric hoist with trolley should make the load on the central hook hook cavity by. Check the overweight chain without twisting the wrong, twisted, lower hook assembly of double chain reversal in the two row chain shall not.

2  gourd use found hand zipper pull immobile not jerked, not to increase staff, should immediately stop the hand chain hoist, and the check.

3 if the  chain hoist hand zipper pull do not move, check the weight is implicated with other objects; components are damaged; heavy overloading.‍

The quality of wire rope hoist hook judgment methods

1, the hook hook should be greater than 360 degrees to 180 degrees in the horizontal plane and vertical direction within the flexible rotation.
2, the hook surface should be smooth, no peeling, acute, burr, crack, wrinkle and other defects.
3, cheap wire rope hoist hook and its affiliated parts in any of the following circumstances, should be scrapped:
4, the dangerous section of wear up to 10% of the original size;
5, the opening degree than the original size increased 15%;
6, the torsional deformation of more than 10 degrees;
7, monorail wire rope hoist the dangerous section or hook neck plastic deformation;
8, single girder a nut and a crane hook crossbeam any crack and deformation.

About nine parts of electric winch.

1, the motor driven by the battery: vehicle itself, to transmit power to the mechanical transmission device, ultimately drive the capstan wheel to rotate winding cable;

2, the controller is used to control the rotation direction: strong electric winch drum;

3, the clutch: the parts manual control, change the drum idling or transmission systemlock state;

Brake system: 

4, for preventing the cable loose fall, when the motor stops working,cable weight, braking system self locking drum, the vehicle pulled in place;

5, the power chain hoist drum: a cylindrical device used to wrap the cable, driven by a motor,using the controller

System;

6, the control box: the car battery power through the electromagnetic coil is converted into kinetic energy;

7, cable guide: the existence of angle, reduce the risk of cable Recovery Winch bracket or bumper, are fixed on the winch frame or the bumpers;

8, the transmission mechanism: energy conversion motor for traction;

9, the role of cable: bearing, bearing capacity determines its diameter and length(generally we use the cable is a cable).‍

Brief introduction of winch

strong electric winch (also called winch) is composed of a human or mechanical power driven drum,winding traction rope to complete the installation work. Can be vertical, horizontal or inclined dragging. The windlass is divided into manual hoist and hoist two.

Now to the main electric hoist. electric chain hoist and trolley is composed of motor, coupling, gearbox and drum brake, composed, CO arranged on the machine frame. The lifting height and handling a large quantity of work frequently, good speed performance, can make theempty hook falling fast. The installation or sensitive material, with small velocity.

‍

electric wire rope hoist

NRK hyacinth may seem minor, but subdivision is fittings up to more than 30, before we have the main parts cover, chain, hook had made detailed introduction, today's introduces to you the importance of NRK hyacinth sprocket in.

Sprocket appearance is hexagonal, mainly to and cheap wire rope hoist with each other, so we work more smoothly. Such as the lack of a chain wheel or a chain wheel damage,which will happen, chain, chain card stuck phenomenon, will also accelerate the gear wear.

monorail wire rope hoist by hands pulled the zipper, chain wheel rotation, the friction ratchet wheel, brake block pressed into one common rotation, five tooth long axis can be driven by a series of sheet and the wheel to rotate, thereby device in spline hole gear lifting chain wheel drives the electric chain hoist with trolley in order to achieve the balance to lift heavy weights, accessories are indispensable.‍

which also applies to Wire rope hoist

The public has known , industry associations crane provides at least once a year for inspection and maintenance , which also applies to electric hoist. Regular inspection and maintenance helps prevent accidents and avoid loss of time and money caused by parking on . Currently, the plant has a very dense distribution , expertise strong customer service network . And they can sign checks , maintenance contracts , to ensure responsible and specialized inspection schedule to extend electric wire rope hoists the life of the previously mentioned electric hoist , electric hoist as standard lifting gear can be installed on single girder and double girder cranes can also be installed in the suspension hanging on cranes and monorail systems. Electric hoist at the job site using the possibilities are very extensive. In order to enhance the level of transport and parts weighing up to 1600 kg can be used monorail ( 23 ) . In order to cargo belt expand its working area , tend to run track hoist turn into a distant boom , thus constituting a wall or column jib crane line up . To save waiting time , it is best to install two lifting gear in a workplace . When a workpiece is being machined , the workpiece can be processed simultaneously transported and shipped to the new piece. In the process control operations , the use of electric hoist is also very broad. In terms of chemical , textile , paper and electronic processing industry or commodity pool with a solution, such as , electric hoist can work rhythmically . This gives designers have made ??a special request. Electric hoist is one of the most common mass-produced electric lifting machinery .

Wire rope hoist widely used in shipbuilding

 Sales of imported include lever hoist lever hoist , including TOYO lever hoist , lever hoist Victor  Elephant lever hoist ; domestic lever hoist ; chain lever hoist lever hoist including  electric trolleys type ,  lever hoist ,type lever hoist ,  Victoria lever hoist ; wire rope hoist and so on . Here wire rope hoist , lifting Junwei professionals to do a simple description of their common subject headings and maintenance methods for customer reference .

 Hand hoist widely used in shipbuilding , electric power, transportation, construction , mining , telecommunications and other sectors of the equipment installation, lifting items , such as mechanical traction . More kinds of mini electric hoist the main , chain electric hoist, mini electric hoist and explosion-proof electric hoist several models . Chain hoists and hoist are called manual hoist is used to enhance the human heavy , shall be arbitrarily extended operating handle ; operation should let the rest handle freedom follower not jamming . Must choose the appropriate tonnage based on the size of the load hoist . By the motor , transmission and rolls or sprockets , two of wire rope hoist and electric chain hoists .

In the gap at the lever hoist a grinding wheel to grind the weld groove

In the gap at the repair with a grinding wheel to grind the weld groove . When filling welding, arc welding best DC reverse polarity . Arc should be as short as possible , electrode diameter 4mm, current is about 210-240a. Welding rod should tend to the direction of motion 20 ° -30 °. Fill welding work from the beginning until the other end of the drill hole cracks , and also on the opposite side welding , the 1.5 ton electric chain hoists weld should not exceed the height of the base plane 1-2mm. When welding environment temperature should be above 0 ℃. As used herein, the Suzhou Industrial Equipment Sen Muda more information, please introduce you to how do electric stacker hydraulic system maintenance in themini electric hoist of electric forklift trucks passing plays pressure , lubrication , cooling and sealing effect, the inappropriate choice of hydraulic oil hydraulic system failure and durability of the early decline. When grade hydraulic oil should randomly select "Manual" specified in special circumstances need to use on behalf of the oil, it should seek the same performance as the original grade performance

If the contact is an error Wire rope hoist the test system suspend all testing

If the contact is an error, the test system suspend all testing , and prompts the user to the appropriate  treatment and so on. This will ensure maximum system security and reliability. ( 2 ) Taking into account at  the time of the industrial system fails, the test system can still perform some simple operation , it set  up a "manual" and "automatic " two steps in the test module. ( 3) Before the test , the electric hoist with remote tester needs to be  tested for each wire rope hoist enter a unique code , some of the data corresponding test data and external  testers as the information is stored in the database, when required by this encoding and check out all the  relevant details . Acquisition and state the amount of read access channel 4.3.2 process data in the test  system is wire rope winch accessed through the channel to carry out the process , due to the passage of Chapter IV of the  hardware design process has done a more detailed description , so this summary discusses only the actual  preparation of technical procedures . To achieve the so-called port inspection 4.3.2.1 port scanning is  scanning inspection IPC test program at a certain time interval data acquisition card I / O ports and  digital I / O port to read and write . [ 17 ] [ 21 ] precision generated by cyclic function of time  interval is poor

elevating work platforms Wire rope hoist exception occurred during the operation

the platform must be checked before the lifts running , and the ground floor of each protective door is closed place. If all protection
 The door is not closed after the failure to put in place or power reset button, power light does not shine . elevating work platforms
exception occurred during the operation , the emergency stop button should stop running , after exclusion of abnormal
 Press the reset button and the elevator button to resume operation.
elevating work platforms Wire rope hoist must be stopped completely smooth layer of protection to open the door for cargo loading and unloading operations . should pay attention to the cargo loading cargo evenly distributed in the middle of the work surface , prohibiting partial load .Important parts 7 , voltage protection device platform lifting operations , relief , etc. are at the factory according to standards setSet a good , non-professionals are not free to adjust .
noise, and other phenomena shake or tilt the lifting platform operation, should immediately stop inspection and notification

Professionals overhaul.

Several distinguish from wire rope winch the weight

A professional chain hoists, lever hoists, cranes and other lifting equipment line tackle manufacturers, the following are details of the weight of the news brief manual hoist.

     Whether we buy or use a manual hoist the need to use from the weight, in general, from the weight refers liftech 1 ton chain hoist to the quality of heavy lifting, the symbol G. It can be divided into nominal weight, the total starting weight, effective from the weight of several.

     Nominal weight refers to the hoist during normal operation to allow lifting weights or materials, togetherliftech winch snatch block with the sum divided spreader attachment or quality; overall effect is the hoist can lift the weight of heavy objects or materials, together with spreader and can be divided into the quality of long-term fixed sum on a hoist or sling was the case with (including the hook, pulley blocks, lifting wire rope and other hanging objects) of; effective from the weight refers to the net mass hoist can lift heavy objects or materials.

     Several distinguish from the weight, in terms of the purchase or use is more convenient.

in the case of possible energy savings using it to cheap wire rope hoistequipment

 With recent changes in national policy and foreign policy , China's increasing emphasis on marine minerals also , incidentally, the cause of the development of the ship , the development of ocean exploration tools, mining tools , lifting equipment, and so also the government 's attention to the project .
Chain hoist is an easy to carry, liftech ratchet lever block  to operate , and does not require electricity supply lifting equipment capable of prospecting mining process in the ocean , in the case of possible energy savings using it to lifting handling equipment . Therefore, in the case of national policy support , as chain hoists manufacturers have to do is line with the national development strategy, a clear direction , development and production of equipment best suits chain hoists for use in the ocean . Developing countries to develop strategies and programs have three levels liftech mechanical lifting devices of clear direction and focus of the development , namely to develop offshore oil and gas development and equipment to accelerate marine renewable energy , marine chemistry resource development equipment , and actively cultivate wave energy , gas hydrates , undersea metallic minerals , development and utilization of marine biological resources and equipment . Specifically , the recent deep-sea equipment and technology in order to focus on long-term in order to break through the subsea production system to the target .
    Efforts to develop marine equipment , speed up the detection and exploitation of marine mineral is our country's current and future objectives for some time, Shanghai Yuan as a new hoist manufacturer, not only from the quality , but also from product performance and diversity efforts to improve the above , in order to be able to better adapt to the marine operations and subsea operations , improve the industrial system, capable of lifting equipment to ensure a healthy , stable and sustainable development.

Wire rope hoist is inverted indispensable constituent elements

One of friction plate indispensable component , the vulnerability chain hoistsChain hoists friction plate is one of the very important parts chain hoists , chain is inverted indispensable constituent elements , but also one of the main wearing parts. Its role is to tightly engage the friction stability and prevent the emergence of the phenomenon of chain hoists decline .
    Long chain hoists th liftech mechanical lifting devices ree friction plates using the latest advanced technology, the friction surface to join wire to increase the coefficient of friction to ensure the stability of the friction plate friction , long life , safety , and as one of the main wearing parts chain hoists , chain hoists liftech small electric winch easy to replace the friction plate conducive maintenance.
    So when you buy chain hoists , inspections must be carried out on a regular basis , then after the job if worn friction plate and influence , it is recommended that you replace the friction plate .

Wire rope hoist according to the customer needs to be configured with the appropriate length of rope

The company's main products are: electric hoists, lever hoists , chain hoists , lifting tackle, lifting chain and so on. Imports of steel wire rope hoist chassis made ​​of high strength aircraft quality aluminum die casting, wire rope supporting the use of a particularly high breaking force and abrasion resistance , according to the customer needs to be configured with the appropriate length of rope . Mainly to a 800 kg, 1600 kg , 3200 kg . Imports of steel wire rope hoist is a new, efficient, safe, durable lifting products, with lifting, pulling, tensioning three functions, the whole structure design , high safety, long life, especially for no power source under field conditions . Wire rope hoist for various occasions factories, mines ,  liftech strong electric winch struction sites , docks, transportation , etc., is a device installed , cargo lifting, stationary objects , lashing and ideal tool for traction , particularly traction at any angle and in small venues , open-air operation and no power under the circumstances , but also demonstrate its superiority. Imports of steel wire rope hoist can liftech power chain hoist be vertical, horizontal , diagonal traction . Especially suitable for high-rise building exterior hanging blue , can improve the effectiveness . Imports of steel wire rope hoist has hx-800, hx-1600, hx-3200 in three sizes were a nominal weight : 800kg, 1600kg, 3200kg; 2 rated forward pulling force were :.. 343n, 441n, 441n; 3 rated forward stroke were : ≥ 52mm, ≥ 55mm, ≥ 28; 4 rope nominal diameters :. 8.3mm, 11mm, 16mm; 5 body weight , respectively :. 6kg, 11kg, 22kg

zinc plated alloy steel lifting chains

all- metal housing even under harsh conditions can effectively protect the internal organs from damage. 6 , the chain and gear drive mechanism has a housing having a protective device to protect these critical components to adapt to wire rope electric hoist operating environments. 7 , lifting sprocket hardened materials and after finishing treatment, to ensure smooth and accurate movement chain . 8 , low headroom dimension can maximize the use of space, increasing the effective lifting distance . 9 , zinc plated alloy steel lifting chains, with a perfect combination of gourd body can ensure a smooth and accurate operation running . 9 , the upper and lower hook material using anti-aging, high wire rope hoist manufacturers toughness steel, used in the event of overload distortion will occur first and will not suddenly break, to ensure the safety of users. 10 , for the rated load of 20 t model , also has a compact form factor . 5- Warrant lifting chain hoist run more smoothly so precise . As a result of sagging chain design 6 , ensuring faster lifting speed and affordable products lighter weight

Troubleshooting and Diagnostics rope hoist

After the starter rope hoists , motor does not turn , can not lift heavy objects reasons
( 1 ) excessive overload
( 2 ) lower voltage than liftech winch hoist the rated voltage of more than 10%
( 3 ) The motor is faulty, broken wire or poor contact
( 4 ) the rear brake wheel and cover rust killed , brake wheel tied up
( 5 ) Motor sweep chamber
Workaround
( 1 ) does not allow overloading
( 2), the voltage returns to normal
( 3 ) Maintenance of electrical and wiring
( 4 ) Remove the brake wheel , cleaning corroded surfaces
( 5 ) the occurrence sweep chamber is mainly due to severe wear on the motor shaft support ring , rotor core axial displacement or displacement of the stator core , need to be removed liftech winch snatch block to replace the support ring , so that there is a uniform gap between the stator and rotor cone, each side is 0.35-0.55 mm wire rope hoist manufacturer or return repaired

Winding lifting equipment

Single rope winding hoist is a hoist earlier onset of its working principle is: the end of the rope to liftech cheap wire rope hoist enhance the two opposite directions , respectively, and fixed on the winding hoist two rolls , and the other end to bypass the derrick days on the wheel are connected with two lifting containers. Thus, by changing the direction of rotation of the drum motor can be hoisting rope winding and pine were put on two rolls , in order to achieve or enhance the decentralization of container to complete the task of enhancing purposes . Currently, single rope liftech winch hoist winding hoist use is more common in our mines . Single rope winding hoist is a hoist cylindrical roll , depending on the number of reels can be divided into two double rolls and single rolls .

Bucket wire rope hoist

Is a centrifugal chain bucket elevators , lifts the upper section of the machine is running with the part of the drive sprocket and chain tension with the lower section , the intermediate casing drives, check the braking device component . The hoist hopper arrangement is intermittent , hopper using the " Amoy emulated " for loading, use the " electric chain hoist centrifugal feeding method " to uninstall. The hoist suitable for conveying powder, small block of material shaped and non-abrasive materials , due to the traction hoist mechanism is endless chain , thus allowing conveying high temperature materials.
HL -ring chain centrifugal bucket elevator works : HL -ring chain centrifugal bucket elevator from moving parts ( hopper with traction chain ) , the upper section with a drive sprocket , tensioner wire rope hoist manufacturers wheel with the lower zone segment , the intermediate chassis, drive means and the check braking device and other components. Hopper The hoist is intermittent layout, use the " dig emulated " for loading, " centrifugal feeding Law" discharge. The traction hoist mechanism is two circular chains .

KITO 10 T - ring chain hoist

1 ) Power cable standard length of 10.0M.
 2 lift ( load chain ) , the length of the button control lines , power cables , such as within the standard specifications, please consult with the disadvantages of the company .
 3 ) Load chain after heat wind tubine hoist treatment, can not be spliced ​​, please note .
 4 ) chain bag made ​​of canvas bags as standard chain , steel chain bags are optional items.
 5 ) button controller comes standard with an emergency stop button. Press the emergency stop button can be easily cut wire rope hoist off the motor circuit .
 6 ) 2 while lifting it, please follow unilateral hoist rated load requirements can play up to the selected load hoist. 3 sets while lifting , please consult in advance with the rustic company .

Technical guidance for the safe use of electric hoist

Electric hoist chain hoist is divided into two kinds of electric wire rope hoists , commonly used in monorail cranes, jib cranes and crane on a dynamic single beam , because of its simple structure, easy manufacturing and maintenance, interchangeability, easy to operate, so widely used in the factory. If it's a safety device failure , improper use can cause injury or death . Therefore , electric hoist operator training in addition to the provisions for wells expel foreign holder must also strictly super-low electric chain hoist  observe the following rules:

( 1 ) should be carefully checked before starting the mechanical equipment , electrical, wire rope, hanging clamp, stopper is intact and reliable.

( 2 ) shall not be overloaded lifting. When lifting . Are not allowed to hold the rope in hand and asked object . Prevent access when hanging objects rise buildings .

( 3 ) When lifting an object , you must wire rope electric hoist comply with the safety rules rigger hook . Banding should be firmly in the sharp objects should be located at the notch liner protection.

( 4 ) the use of trailer wire electrical switches start. Insulation must be good. Correctly pushed the button , note standing position during operation.

( 5 ) monorail hoist track when cornering at or near the track at the end , you must slow down to run.

( 6 ) Where the operating room must have someone hoist operation , strict compliance with the traffic safety golden rules related work .

Aerial single manual hoist

Three pillars aluminum lift : three -mast platform supporting synchronous lifting , back support column structure with SSDHL Electric Chain Hoist platform with large load capacity and excellent job stability . Overall lift barrier device , strength, greatly reducing the overall height of the transport, handling is very convenient , can be completed by a lift assembly or disassembly. The lift carrying capacity, suitable for two people ( can carry a certain weight of tools and materials ) while climbing operations ; non-standard products can be customized according to the different environments in order to meet different needs.
Four pillars aluminum lift : The overall use of high-strength aluminum refining due to the high profile strength , with four masts column structure, excellent stability , flexible operation , carrying capacity, jib crane platform area , easy to implement . It is lightweight appearance, can play a maximum lifting capacity in a very small space. So lift and swing minimal deflection .
Walking aids dual mast lift : the ability to work in a different state , without an external power supply, mobile and flexible, easy to operate, lift freely, only one person can complete forward, backward , turn , fast , slow movements , such as walking up and down , labor, effort . Particularly applicable to railway stations, docks , airports , stadiums, and other large enterprises a wide range of high-altitude operations in the country is the best aerial equipment . The series dual mast lift system , with strong stability.

Electric single-beam bridge crane girder design

A factory workshop and based on the actual need to design a single girder crane with electric hoist, because single Hoist and trolley bridge crane girder is the main part of the design success or failure of the relationship between single girder bridge crane and security, thus girder design based on customer requirements. For the single girder crane with electric hoist from the customers the basic design parameters required: lifting weight Q = 3 t; Hoisting height H = 5 m; The span length L = 16.5 m. Girder cross section the choice of the form of single beam Manual block used electric hoist bridge crane beams as orbit of electric hoist, electric hoist running along the beams of the bottom flange. On the premise of meet the strength, stiffness and stability, small span of only a root i-beam girder, used only for lifting is not more than 50 kn, the span is not more than 11 m. To ensure the overall stability of the main girder and improve its stiffness, girder in the end beam should be set up between corner support, when necessary, set the horizontal truss, main girder and end beam welding connection. Main girder of a long-span steel composite beams or steel plates and beams is adopted to form the composite beams. Girder cross section forms in addition to the rolling or welding wide flange beams, other all use with the inside of the inclined flange beams. For large span should also set the level on the catwalk.

Qingdao Lee Chang- lifting machinery to wire rope winch out safety checks

Recently, the Qingdao Municipal Bureau of Quality Supervision Bureau , Lee Chang combine crane safety inspection activities carried out within the city , to take effective measures , to carry out special work of lifting machinery , and achieved remarkable results . It is reported that Lee Chang Branch has established a special crane safety chainb lock work leading group , Wang Bin , deputy director of the Bureau of the head of the relevant department in charge of human members , to develop a specific remediation program and held a lifting machinery installation, repair , transformation unit and key people responsible for the use of the topic will be on the remediation work for manual hoist deployment and scheduling, to ensure safe use of lifting machinery . The inspection focused content is one , in the case registered by lifting machinery ( including mobile crane ) , the periodic inspection and test cases found in the rectification of the problem ; 2 , cranes are manufactured and installed by permission qualification units ; 3 , the operating personnel are certified to operate, whether in the period ; 4 , lifting machinery to establish and improve the implementation of the use of units and special equipment safety management system . During the inspection, with a focus on the sort of focus on lifting machinery monitoring unit one by one , with gold online data verification , focusing on the regulatory filing individually lifting machine operators to ensure that gold online data adequately reflect the real device operation. Meanwhile, troubleshooting , monitoring inspection found , track and implement improvement on overdue rectification or rectification is not completed , according to the " Regulations on Safety Supervision of Special Equipment " , " crane safety monitoring requirements " and other relevant provisions dealt with .

Crane characteristics

Crane characteristics
Lifting weight of up to 2000 kg, a chainb lock of models and span orbit
, prefabricated modularization design is standard for extension and move more easily
15 cm thick, can be installed in any ordinary reinforced concrete on the ground
Enclosed track design can reduce the contamination of dirt and dust
Rigid fixed rail is more conducive to load location
, a high strength light weight high precision cold rolling forming of rails, rolling surface smooth, reduce the resistance of car manual hoist
, applicability is wide and can be applied in a lot of material handling environment
For a single unit of work, very affordable
Installation of portable, reduces the installation time and cost
The satisfaction of all, can increase the operating personnel
, realize safe operation environment
By improving the production efficiency, can realize fast return on investment

In the cement and other building materials enterprises

In the cement and other building materials enterprises, has been widely applied electric hoist. Grinding machine parts electric hoist sliding failure occurs frequently, to inconvenience inspection work. Now XianRong a simple and practical design of electric hoist line installation method. Electric hoist is installed in the cement and other building manual hoist enterprises, has been widely applied electric hoist. Grinding machine parts electric hoist sliding failure occurs frequently, to inconvenience inspection work. Now XianRong a simple and practical design of electric hoist slip line installation method.
1. Electric hoist is installed on the u-shaped track. In view of this characteristic, we put the wire in the middle of the track, upper joist. Wire rope using vertebral 10 mm or round hoist equipment wire rope, end with a flower basket bolts.
2. The slip ring for two ring clasp, have certain allowance, in order to avoid wire scratch CARDS. To ring for two rings bolts connected, free to roll.
3. Turned to a ring set on the wire at one end and leave a good motor lead rubber sleeve after fixed in turn ring bottom line. Then put multiple slide rings to wear on the wire at one end, and the rubber sleeve fixed in the slip ring bottom line segments. Front end to motor, are free to roll. After the termination on the power supply.
4. Under the traction of the motor to turn to ring for the central, traction rope make linear or circular motion. 5. Keep track of the above methods may be adopted.