2015年1月5日星期一

Hoist


  With a compact, light weight, small size, parts versatility, easy operation, it can be installed separately on the beam can also be installed in electric or manual single-beam, dual-beam, cantilever, gantry the use of a crane.
electric wire rope hoists structure
Part of the wire rope hoist are: motor, transmission, drum and sprocket. The mutual positions of the motor and the spool can be roughly divided into four different types.
(1) The motor axis is perpendicular to the axis of the hoist drum using worm gear, large width aspect size, structure, heavy, low mechanical efficiency, more difficult process. Manufacturers currently have no such structure type of product.
(2) motor axis parallel to the axis of the drum hoist, the advantage of small size, height and length. The disadvantage of a large width dimension, of the packet, manufacturing and assembly complexity. Track turning radius.
(3) The motor is mounted inside the drum hoist, the advantage of a small length dimensions, compact structure. Its main drawback is the motor cooling conditions are poor, poor groups, inspection, installation, maintenance, motor inconvenience, power supply unit complex.
(4) motor mounted on the outside of the drum hoist, the advantage is for the group is good, high degree of common, easy to change the lifting height, easy installation and maintenance. Its disadvantages: large length dimensions.

2014年12月30日星期二

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

2014年12月26日星期五

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.


2014年12月22日星期一

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.

2014年12月18日星期四

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.

2014年12月14日星期日

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.

2014年12月11日星期四

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.

2014年12月7日星期日

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.










2014年11月4日星期二

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.

2014年10月31日星期五

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.

2014年10月22日星期三

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.

2014年10月15日星期三

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.

2014年10月8日星期三

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.

2014年9月30日星期二

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.

2014年9月22日星期一

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.

2014年9月19日星期五

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.

2014年9月14日星期日

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

2014年9月8日星期一

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.

2014年9月1日星期一

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.

2014年8月28日星期四

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.