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.

Electric hoist and electric hoist crane

Electric hoist and electric hoist crane is widely used in national economic sectors of simple lifting equipment. Production this kind of equipment in our country has more than 20 years of history, in recent years under the joint efforts of all brothers factory, successfully trial-produced the CD, MD, a new series of electric hoist, our factory also manufacture into a new type electric hoist single-girder crane. In foreign countries, because this hoist equipment of device has simple structure, cheap, wide range of use, also a lot of new products. Below we know parts of it are briefly introduced. Abroad situation of west Germany chainb lock company P type electric hoist in the form of electric hoist double beam crane has developed to a weight of 63 tons, the specific structure of the electric hoist has some local improvement. Significant improvement is its operation device. Figure 1 is the operation of the improved system diagram. Can be seen from the diagram, the new operation unit is both sides of the operating device is driven by an electric motor, it can avoid running twist phenomena caused by drive only one side. At the same time, it went round big board is made of pressed into thin steel plate, than in the past, the steel weight and ease of processing.

Ring electric hoist loading test system hardware design

Ring loading test system hardware design of the electric hoist lifting equipment manufacturing industry in our country, the electric car type ring chain manual hoist hoist electric hoist limit load point of the system mainly includes a hydraulic loading system (hereinafter referred to as ring electric hoist) is a new kind of small-sized lifting products, it has a volume and a single-chip microcomputer control system. Small, light weight, high strength, appropriate price etc, especially suitable for low building height as shown in figure who, hydraulic test system for limit load experiment, the hoist equipment pressure under the small flow pump and the space is lesser workplaces of lifting and handling operations. Work, overflow valve manually adjusted to the rated pressure, according to two different series of common inspection method on the properties of ring electric hoist crane is mass loading the product choose three four-way valve gate, the overflow valve pressure oil flow method, which includes static and dynamic load of two processes: a pilot proportional relief valve. In ring electric hoist is not ascension, limited to the products tested to 1.5 times the rated load experiment belongs to dynamic loading, the loop electric hoist ascends, conditioning section leads people weight blocks, the quality of stay for a few minutes, to determine its static performance. Proportional relief valve from the rated load strength, step by step until the ring electric hoist electric hoist inner ring.

Wire rope electric hoist rope guide

Wire rope electric hoist wire rope electric hoist on the guide rope device for wire rope by the regulation on interval neatly around the drum gear. When the hoist equipment rope device on the drum synchronization with wire rope winding cannot be moved, often guide rope is pulled bad, the phenomenon such as connecting rod were bent. The guide rope device breakdown can make the guide rope device cannot perform the function of the rope, rope pressure, at the chainb lock time may cause height limit is invalid, lead to a lifting accidents. Repair damaged when the guide rope device, replacing arc clamp is very troublesome, and have a certain risk. In this case, the author using TRIZ theory analyses the steel wire rope electric hoist rope guide, gives the solution, and the solution added TRIZ invention principle in the database at the same time. Electric hoist can be used as a heavy equipment used alone, a small driving after also can be used for overhead monorail crane. Is a kind of compact structure, light weight, high efficiency and easy operations of lifting equipment. Specifications of wire rope electric hoist by building height, track type type can be divided into 14 types. Its appearance figure is chosen, and work performance. Type electric hoist wire rope electric hoist the code and the type code of another type of HSG standard building height, linear rail, rigid connection of hand trolley.

Is a wire rope (rod) deep processing products

Made up of many wire twist into a rope used in industry, widely used in all kinds of industrial, mining and transportation. There are many different kinds of steel wire rope, but used in oilfield is a round rope, only have a single or double twist twist, and in the majority with double twist. Double twist rope is wire twist into a, again by a few strands twisted into a steel wire rope, wire rope at the center of both  core, there is also a steel core. With several root manual hoist section shape and the diameter of the wire, according to certain rules as twisting spiral wire bundle. Is a wire rope (rod) deep processing products, in steel wire products occupy a larger proportion. Origin, development and current hoist equipment in the steel wire production before using the hemp rope and chain, was later by organic fiber and metal chain to rub into the low tensile strength of the rope. With metallic ore and coal mining and transportation in the elevator with the development of the hoist machinery, the rope can not meet the requirements, began to replaced by metal wire twist twist wire.

Electric hoist electric hoist for short, is a small light lifting equipment

The tonnage of steel wire rope electric hoist is 0.5 T/T 1/2 T / 3 T / 5 T/T/T/T, 20 16 it is the standard of wire rope in meters 18 June 12 M/M / 9 M/M / 24 M / 30 M. It is also manual hoist into which CD1 and MD1 type (single speed) type (double speed), the following for the operation of the wire rope electric hoist speed: 0.5 T - 5 T T T 16-20 T single speed: 8 M/MIN single speed: 7 M/MIN single speed: 3.5 M/MIN speed: 8 M/MIM, 0.8 M/MIN, double speed: 7 M/MIN, 0.7 M/MIN double speed: 3.5 M/MIN, 0.35 M/MIN. Electric hoist electric hoist for short, is a small light lifting equipment. Most electric hoist equipment used by people follow the manipulation button in the ground, or can be in the driver room controlling or use cable (wireless) remote control.

Lever hoist wire rope machine chassis high strength high quality aluminum alloy die-casting

Lever hoist wire rope machine chassis high strength high quality aluminum alloy die-casting, supporting the use of wire rope has a particularly high breaking force and abrasionmanual hoist, according to the customer need to hoist equipment the appropriate length of wire rope. Mainly to a 800 kg, 1600 kg, 1600 kg.

Loader transmission system and hydraulic system

Because the loader has operation speed, high efficiency, good maneuverability, the advantages of convenient operation, so it become one of the main models of the conditions in the construction of engineering construction. manual hoist paper introduces the common several kinds of loader working device and working steps, also introduces the loaderhoist equipment system and hydraulic system.

Construction engineering machinery and equipment

Wire rope manual hoist belongs to special lifting equipment, has a compact structure, light weight, small volume, parts versatility, convenient operation. It can be installed on the i-steel alone, also can form a complete set of installation in the electric or manual single-beam, double beam, cantilever, such as gantry crane. Is mainly used for all kinds of promotion, moving, loading and unloading heavy weights, tank inversion welding, such as a hoist equipment of large and medium-sized concrete, steel structure and mechanical equipment installation and moving, applicable to the construction and installation company, factories and mines of civil engineering and bridge construction, electric power, shipbuilding, automobile manufacturing, construction, road, bridge, tunnel, metallurgy, mining, slope protection infrastructure projects such as shaft governance of mechanical equipment.

Electric hoist can be used alone not only, still can work with gantry crane and other large equipment

 

Stage electric hoist can be used more than one at the same time as well as group of crane electric hoist can be used to control cabinet control at the same time

Electric hoist is not only can be used alone, can also work with gantry crane and other large equipment, in addition, there are more than two ring chain hoist can be used for lifting heavy things work at the same time, the hoist is called "synchronous electric hoist.

Said to use at the same time, many in the industry will first think of group of crane electric hoist, it is a low speed chain electric hoist, because have the lifting speed is slow, smooth operation, the body is light, machine wear characteristics such as small, group of crane hoist is widely used to climb in the field of chainb lock engineering, the ascension of climbing form, large oil tank group of cranes, etc. Use in large oil tank welding, and other fields, can choose according to the size of the tank volume is more than one hoist are used together, and use the control cabinet and unified control.

Except DHP were studied.the optimum hoist equipment can use synchronous lifting hoist, electric hoist stage can also be used at the same time, more like the group of crane electric hoist can be used to control cabinet control at the same time, the stage one of the advantages of electric hoist is not only can use, are hung down can also lifting heavy objects. Stage up to 38 m electric hoist hoisting height, the chain all through galvanized processing, not easy to rust, lubrication oil in a gear box, effectively prevent the oil droplets to infiltrate the stage. Not only beautiful and durable, so the construction of the stage and theatre, everywhere.

Wire rope pulling hoist the seven notes

Wire rope pulling hoist is a simple structure, the use of heavy lever handle complete lifting,hoist equipment lowering, pulling, lifting tool calibration and other operations. Wire rope pulling hoist can not only do non-linear traction work, but you can easily select the appropriate cutting operating position, maneuverability and traction from the principals, easy to use. Here to introduce you to the seven wire rope pulling hoist Precautions

One must choose the appropriate size of the load hoist tonnage

2, the housing must be checked prior to use all screws are tight, not loose; toggle lever check whether the action of various normal; when running coordination, no abnormal noise or catching the handle can be pulled loose unloading, penetration wipe clean already supporting rope and wire rope clamp, and then pulled forward or backward Shouben handle,hoist and trolley depending on whether the action is normal.

3, with the provisions of models, specifications of wire rope to hoist securely fixed.

4 operations, other than those allowed by supporting instead of wire rope with rope; operation, the rope should be kept clean to prevent the adhesion of mud and oil into the machine, affecting the normal use or exacerbate clamp wear.

5, no need to increase the use of lubricants

6, shall be arbitrarily extended operating handle; operation should let the rest handle freedom follower, not jamming.

7, in exceptional circumstances, gourds used as loading  lift hoist  raised, the hoist from the weight should be reduced to nominal weight of 1/3.

What are the characteristics import chain hoists?

Chain hoists divided by origin
Domestic wire rope hoist s, chain hoists;
Divided according to the shape chain hoists
Round chain hoists, chain hoists triangle, K-type chain hoists, chain hoists Ling, V-type chain hoists, T-type chain hoist, mini chain hoists, explosion-proof chain hoists, hand 360 degrees pull hoist and so on.
Import chain hoist six characteristics:
1, the fine structure: the internal structure of the overall fine, simplify; appearance of tiny, innovative and generous. Entire product ergonomic.
2, the optimal gear: the product heart - gear for a more compact high-speed synchronous gear; optimal materials, direct to ensure the whole super-stable product performance,hoist and trolley wear coefficient increased by 1 fold, to meet the long-term overload operation needs.
3, the new hook: hook at the user-friendly design, from whatever direction the goods are not easy to pull decoupling, alloy foot material, thus preventing breakage and loss of material injury.
4, excellent parts: All parts are high quality alloy steel and carefully selected from manufacturers, resolutely eliminate substandard size parts.
5, a special casing:hoist equipment stainless steel pressing cover, light, solid, easy to forge.
6, refining chain: High-strength high-quality chain by experienced workers, 20 step sanding finish; counterparts at the weld is not rough, safe, feel good; medium frequency quenching; burst operation, overload operation, long-term jobs are to ensure that no accident; pull from multiple directions, broader scope; cover rust, used often new.

Explosion-proof electric hoist technology special requirements

Explosion-proof electric hoist function is mainly determined by its material, the use of special areas,wire rope winch such as the selection of the equipment itself has many special requirements, but the selection of only one hand, explosion-proof hoist functions in the technical aspects also have special requirements, the following for you to explain:
1, in order to prevent collisions due to mechanical friction or sparks, explosion-proof electric hoist limiting bare some technical measures should be taken, wire rope reel involvement with electric hoist line speed and sports car on the track running speed not greater than 25m/min.
2, for explosion-proof hoist rope part should face no broken wire, wire rope should be reliable lubrication of measures to reduce the wire rope and reel, guide rope and pulley friction between the components.
3, explosion-proof electric hoist orbit joints should be smooth,lever hoist flat, coupe in the operation should be no impact or obstruction.
4, to ensure proof hoist car braking stability and prevent skidding.
5, if there are two or more tracks running simultaneously hoist explosion, shock absorbing device should be fortified. The material for cushioning device while there are strict requirements, shall be non-metallic materials, the surface resistivity not greater than 10.
6, when the explosion-proof electric hoist a barrier metal working environment is large, hoist hook to avoid collision with the metal barrier, should be marked on the outer side of the hook pulley warning label.
Explosion-proof electric hoist on technical aspects of the special requirements introduced this remind you purchase proof electric hoist should explain your use of premises and areas,hoist equipment to facilitate sales staff to recommend a suitable proof grade.

Chain hoist how to adjust the friction clutch

Adjust friction clutch chain hoist use professional testing equipment to measure the friction torque.hoist equipment The use of on-site maintenance, you can only rely on inspection and operational test to complete the following steps:
1, the upper and lower lid and the need to remove the gear box front cover;
2, the locking washer insurance cleat open, and remove the need to adjust the nut, remove the pressure ring disc spring seat and the platen.
3, the outer friction plate without damage or serious damage, the dirt is left in the top.
4, after removing the clutch gear while checking internal friction plate is broken or badly worn, whether the above dirt.
5, clean friction plate, the dried and polished with gauze Replace.
6, try hanging nut after adjustment is required to the amount set out together from half to 25% overload,wire rope winch followed by tightening the adjusting nut, lifting sensitive operation freely, to reach 1.3 to 1.6 times the amount set out above start to slip.
7, in the no-load lifting process required to hook hit the block hit hard rubber case, when the chain hoist motors continue to run while the hook does not move did not hear any sound, indicating that the protective effect safety clutch, and then semi geese lifting load test to the limit position clutch slip, the amount required test load, containing 25 percent since, after less than three trials before the lock washer insurance cleat locked,manual block and the need to slow down cover installed after adjusting friction clutch.

Portable electric hoist brake wear

       Portable electric hoist is a flexible device can move around up and down, left and right movement is achieved by an electric sports car,hoist and trolley but the electric hoist is stopped, there will brake wear for a long time will affect the overall use of the device, the following detailed description of your lifting hoist brake wear causes.
         Portable electric hoist brake wear is actually design problems, slow running electric hoist is driven by a small motor gear motor gear to achieve large lifting, and hanging objects when lifting large motor brake hub will open automatically, stopping automatic locking,hoist equipment electric hoist slow when lifting, by the small motor to drive the big motor rolling, this time a large motor is not energized state, the brake hub is not turned on, a large motor brake locking state rolling, thus resulting in the hoist brake wear.
         Whether slow lifting or fall are slowly worn brake hub,lever hoist which is also in the future to improve mobile hoist focus.

How to identify the quality of proof chain hoists

    Proof chain hoists are very suitable for manufacturing the explosive, flammable, magnetic and erosive using security tools. More practical than ordinary chain hoists, safe and reliable.hoist equipment Proof chain hoists with durable, excellent strength machine; performance, easy maintenance; feel good hand zippers, hand-pull small, high transmission efficiency; advanced structure, beautiful appearance, greatly reducing the operator's labor intensity, etc. and other advantages, Here is your proof chain hoists to explain how to identify good or bad quality, for your reference.
       First, this explosion proof chain hoists its performance to be in full compliance with national GB/10686-1989 standards.hoist equipment Second is to see gourd material, proof chain hoists material is used in the manufacture of aluminum bronze, beryllium copper as the blank, the shell is made ​​of H62 copper alloy, due to the special nature in the selection of materials does not impact or friction sparks. Identification proof chain hoists quality mainly from the National Institute of Standards and material hoists on the judge.
       Select  manual hoist  and other lifting products must pay attention to product quality, only the high standards of quality lifting products, in order to have better security.

Electric hoist to meet special requirements of industrial production

  Currently, many electric hoist brands,hoist equipment can fully meet the needs of lifting industry characteristics are not many products, mainly because of the particularity of the crane, electric hoist must have some special properties:
         A fast dynamic response, dramatic changes in order to meet the needs of the crane load.
         2, can withstand dramatic changes due to potential energy load that appears in the current impact and ensure continuous reliable operation of mechanical vibration environments.
         3, the deceleration of the motor can be reliably released renewable energy, as the current capacity of the braking unit must be greater.
         4, with high reliability protection system for wire rope winch  mechanism, need special attention mechanical brake is released before or after the moment of brake to prevent the "slip hook" of the control.
         5, with a powerful monitoring system, through the monitoring of implementation of various parameters of the system failure alarm and failure analysis.
         With the continuous development of inverter technology, electric hoist performance and increasing the mechanical properties of hard-frequency control, speed range, speed and high precision,manual hoist good stability, easy to control and energy-saving features, can well meet the lifting equipment safe and stable, reliable, good operability reliable, maintenance requirements, rapid breakthrough in the crane industry and widely used.

Use wire rope safety technology

        Wire rope safety technology involves the kind of manufacturing methods, constructors performance, force status, as well as maintenance, inspection, scrap, and many other issues, is a relatively strong professional technology, each security managers and technical personnel should be rope on the knowledge of the situation by force and have a basic understanding of operating status.
        Wire rope electric  rope hoist  is a high usage of components, one of which is due to its unique characteristics of the decision. Compared with the rigid member rope, wire rope with high strength, light weight, good flexibility, impact resistance and other characteristics, particularly outstanding is its safety and reliability.
        In normal use of electric hoist rope generally does not occur suddenly breaking even destruction is also a precursor,wire rope hoist generally always individual, locally broken wire, gradually developed into the whole rope, there is a period of time to process, if rope suddenly broken, because the load exceeds its limit breaking force occurs suddenly destroyed entire rope. This provides such a possibility, as long as usual to strengthen the hoist rope safe management and use, accidents caused by the rope can be avoided. But the rope electric hoist force status changing, complex work environment, and its destruction in addition to mechanical damage, the structure of improper selection,hoist equipment improper maintenance checks, wire rope failure promptly discarded and no other reasons for updates.

The growth direction of the electric hoist

This light and small electric hoist lifting equipment, widely used continuously while new categories and models have gradually diversified, electric wire rope hoist  in the future direction of growth in the end is what?
      1, the exterior design changes: changing the traditional round shape design design, square design, modular design, increased component commonality;
      2, optimized gear design, improve the carrying capacity of the gear;
      3, electric hoist design rationalization: strive to use fewer base model covering the entire series.
      4, the structure should be able to meet a variety of conditions: as low headroom, twin-lift, and lift gate with a small radius of curvature; remote control, insulation type, corrosion proof type,lever hoist and other features of the product;
      5, using high-quality high-strength steel wire: to meet the tensile strength of the safety factor of the premise, to minimize the rope diameter;
      6, increase the electrical protection measures: In addition to the upper and lower limit protection, overload protection and wrong should be added equal protection;
      7, increasing dual brake: cone brake wheel braking and high speed shaft compensating brake;
      8, improve matching pieces such as wire rope,hoist equipment bearings and other parts of the quality standard wire rope hoist.
      9, 2,4,6-pole motor with cone rotor motors to suit a variety of working conditions;
      10, focusing on the whole of paints, packaging and other exterior quality, mini electric hoist is the same.

Cranes basic institutions and basic common sense

A variety of different purposes lifting, structurally very different, but all have the basic actions to achieve lift lifting mechanism. Some also have run institutions crane, luffing mechanism, slewing mechanism, or other special working bodies. Materials by rope or lifting chain hanging a flexible member such movements, but also by a screw or other rigid pieces jacking.
 A) general structure of lifting large complex organizations, to complete the lifting movement, horizontal movement. For example,wire rope hoist to complete the lifting crane, dolly carts run and run three sports; portal cranes can complete hoisting, luffing, slewing and carts run four movements. In the working process, often several different directions of motion simultaneously, greater technical difficulty.
      2) lifting the lifting of heavy objects varied load varies. Some heavy objects weighing several hundred tons or even thousands of tons, and some objects up to tens of meters, irregular shape, with scattered granules, hot melt state, inflammable and explosive dangerous goods, etc., lifting process is complex and danger.
      3) Most of lifting machinery, you need to operate within a larger space, and some want to install rails and wheels (eg cranes, bridge cranes, etc.); some should be fitted with tires or caterpillar walking on the ground (such as cars cranes, crawler cranes, etc.); others need to walk on a wire (such as passenger, cargo ropeway), larger space, once the effects of the accident caused by a range of well.
    4) Some lifting carriage of persons in need rails, platforms or rope to do lifting movement (such as elevators, lifting platforms, etc.), which directly affects the reliability safety.
      5) Lifting exposed, moving parts are more often associated with lifting operations and personnel in direct contact (eg hook, wire rope, etc.), a potential risk factor for many sporadic.
      6) operating environment is complex. From large-scale iron and steel enterprises to modernize ports,hoist equipment construction sites, railway hubs, tourist attractions, there are lifting machinery in operation; workplaces often case temperature, high pressure, flammable, transmission lines, magnetic and other risk factors , for equipment and operating personnel a threat.
      7) Lifting operations often require more than one match, jointly conducted. An operation requiring command, strapping, driving and other operations personnel with skilled, motor coordination, mutual care. Workers should have the ability to deal with on-site emergencies. More close cooperation between workers, usually there is a big difficulty.
      Lifting of the work characteristics, determine its relationship with great safety. If lifting the design, manufacture, installation and maintenance of such links is the slightest negligence may cause injury or equipment accidents. On the one hand causing casualties,lever hoist the other, will cause great economic losses.