360 degree rotating chain hoists unique advantages

360 degree rotating hand chain hoist is a kind of advanced structure, innovative design, small size, light weight, small lever force, high efficiency, good quality crane safety performance.manual block The chain hoists new design, with a quick adjustment of the position under the hook function.

360 degree rotating hand chain hoist, you can pull any angle, easy to use, high safety factor, design beautiful, rugged and compact, cranes and levers have been chromed; small weight, is the use of lighter material handling equipment for a better choice . The chain hoists unique elastic clutch technology, lifting loads at any height, high standard configuration effort lifting chain length 1.5 m, special lengths available on request preparation (chain size refers to the chain diameter) complies with the European CE safety standards.
Import chain hoists, safe, reliable, durable;load chain chain hoist safety performance is good, easy to use, easy maintenance; work, high efficiency, small lever force; advanced structure, smooth operation, used to enhance the appearance and traction, with excellent operational performance and reliability. The chain hoist traction machine is different from the ratchet mechanism, but also from the winch, in the enclosure, there are two links connected by a clamp,wire rope winch clamped wire, two pairs of clamps alternately like a human hand grasping the same live wire, depending on the different operation of the handle, respectively, to enhance traction, down or relax.

Electric wire rope hoist coupling material selection

Coupling of different materials  rope hoist  carrying capacity are very different, usually electric hoist gear couplings carrying capacity than other couplings, metal flexible couplings original carrying capacity than the original non-metallic elastic rope hoist couplings,manual block the following details for you.
Mainly to transfer power coupling and transmission wire rope hoist or hoist control movement-based coupling is obviously different. In focusing conditions, should not choose hoist drive couplings, will increase the electric hoist coupling size and weight. Short time overload,load chain the best selection of safety couplings to reduce size. Under variable loads of drive shafts, when the load change is large, you should choose a good cushioning and shock absorption coupling elastic wire rope hoist.
Rigid coupling specially made easy, light weight, low cost, but two of the neutral axis demanding, flange couplings,manual hoist packers couplings, wire rope electric hoist lifting flange couplings most widely used.

Electric hoist overload limiter works

Electric hoist overload limiter is one of important safety devices, such as weight lifting process over rated, then overload limiter will cut off the electric hoist lifting loop, the electric  chain Block  to stop heavy lifting, so as to protect operating personnel and equipment safety, the following for you to explain the working principle of overload limiter.

Overload limiter balancing hoist pulley mounted on the housing means and between the end plates, end plates electrically with one end of the housing to a positioning spindle and the stopper plate, positioning the spindle head equipped with an eccentric shaft extension bracket, balance one end of the pulley device hanging in the eccentric shaft extension bracket head, the eccentric bottom bracket with dowel pins, eccentric side of the bracket support plate, the upper loading a proximity switch, eccentric bracket overhang bracket with the eccentric shaft center positioning hole centers offset mandrel 3 mm. When lifting heavy overload, the eccentric bracket shell around the  lift hoist  side panel positioning mandrel rotates counterclockwise in to a preset distance proximity switches, proximity switches off the contactor line package lifting circuit, cutting off electric hoist lifting motor power, the electric hoist stops running, play overload limiting role in achieving the safe operation of the crane, improve the reliability and security.
Hoist overload limiter are one and split into two categories, such as the need to replace the overload limiter encounter such situations, to consider the electric hoist load, the case was Joseph wire rope electric hoist rope should also consider factors such as magnification and diameterload chain , to avoid overload limiter after the purchase can not be used without situation.

How to improve the capacity of wire rope hoist gear?

Wire rope hoist gear is an indispensable accessory, one bite each gear parts work with each other in order to achieve the wire rope  manual hoist  lifting, running gear directly affect the carrying capacity of hoists, the following analysis should be how to improve the capacity of wire rope hoist gear?

Electric wire rope hoist gear can be 40Cr, 40MnB material, gear surface to be treated by quenching or nitrides, at present, some domestic enterprises also used 20CrMnTi material, this material gear bending strength and contact strength is ideal.
Traditional low precision gear machining,wire rope winch carburizing quenching deformation difficult to control, after the sequence nor grinding process, it is inevitable there is gear noise, low efficiency. New materials and heat treatment method has many domestic manufacturers to promote.
Wire rope hoists used in hardened and hardened gear meshing pairs, using high-level gear shaving process, election gear helix angle of about 12 ~,load chain which are geared to improve stability and effective way. Gear box, cover design should be conducive to the absorption of noise and vibration damping, transmission bearings should improve accuracy levels.

Affect the life of lifting belt use and maintenance

    Lifting belt is particularly widely used sling products, materials commonly used polyester filaments, with a wear-resistant,manual hoist anti-UV, anti-oxidation effect. In addition to material on the edge, lifting with the life of the same with our daily use and maintenance is closely related to the following detailed description.
       Use lifting belt overloading can not remember when first used, you can not sling and eye damage and its connected devices, lifting devices should be smooth with no sharp edges. Secondly, do not use the strap to tighten knot or play in the mobile lifting belt and cargo must not drag.load chain Finally, be careful not to be used without jacket lifting belt carrying a sharp corners, edges of heavy loads.
       Lifting with routine maintenance should pay special attention to:
       1, high temperature applications or lifting chemicals circumstances, must comply with the instructions for use or production plant for consultation.
       2, lifting belt in acid-base environment, it should be immediately washed with water.
       3, lifting belt should be stored in dry and ventilated dedicated shelves, light and no UV radiation conditions,lift hoist not on an open flame or flammable materials nearby.

Electric wire rope hoists serialization problem

   For now, the domestic electric  lift hoist  and other lifting industry developed rapidly, especially in the past two years, as China's economic strength gradually improved, driven by the rapid development of the lifting industry, but in comparison with developed countries, too single product variety lack of technological innovation, the specification is not complete.
       CD1 wire rope hoist is that people most frequently used one of the products, but the structural design, speed reducer, safety precautions, electrical control and other areas to consider our electric hoist comparison with the developed countries have yet to progress.load chain Wire rope hoist fewer varieties, specifications missing. Eg: CD1 wire rope electric hoist weighs only 0.5 t, 1t, 2t, 3 t, 5t, 10t these six types, lifting height coverage for the 6-30m, lifting speed :1-5t single speed of 8m / min, 10t single speed 7m/min. Although some domestic manufacturers on the basis of the development of the 10t 16t, 20t, 30t expansion of large-tonnage electric hoist series, but still can not form a more complete and reasonable wire rope hoist  products, and foreign range 0.25-80t lifting capacity and a variety of play l combination of height and lifting speed compared to there is a big gap.

How to make the monorail car for different tracks

    Push and Pull monorail car broke two kinds of Hand car to drive bracelet, hand trolley driver to push heavy lifting, walking on the beam orbit, but according to the different requirements of the I-beam or rail may be used different, how to make the monorail car for different tracks,load chain the following explanation for your reference:
         Hand monorail car's structure is dominated by the left wall and right wall, hanging axes, hand chains, rings, shaft components. Wheel rim spacing can be adjusted by I-beam track width requirements, Hand monorail car were walking around with rollers on wall, hanging around the axis through the wall, in the use of nuts. Rings hanging shaft mounted in the center. So then manual block s hanging rings formed manually run on a crane.
         Hand monorail car by hand chain is rotated through the shaft is driven through a gear wheel Hand monorail car can walk on the track. To make Hand monorail car can be applied to different track width requirements,chain block let Hand monorail car used to adjust the washer mounted on the inside or outside wall on the way to be adjusted.

Hardware significant export-oriented development tools industry

  With China's integration into the global economic environment as well as to accelerate the process of the rapid rise of economic power, China has become the world's most dynamic economic regions.manual hoist Chinese economic facilities were perfect, industrial development has been relatively mature and low labor costs, has become the world's manufacturing center of the comparative advantages of hardware, hardware manufacturing export-oriented development of distinctive characteristics.
      Center to enhance the
      The first in recent years, overall growth in exports of metal products: The main hardware products (such as: electric hoists, chain hoists), export growth is higher than output growth, higher sales growth in the domestic market; major hardware appliances full bloom, only power tools, hand tools,manual block construction hardware products of these traditional categories of export products increased very high, and before the export share of small kitchen electrical products and bathroom products export growth in 2004 is also very obvious. Huge market and the center of gravity will further attract multinational hardware manufacturing center transfer to China.
      Operation of capital within the industry will become more active cooperation between enterprises will be significantly strengthened
      In the global competitive environment, in order to obtain a favorable competitive position and enhance competitiveness, industrial capital industry is running another theme. From the capital perspective, the main features of the current expansion in the increase of capital. From the competition point of view, inter-enterprise cooperation in the sharing of resources increases.
      Enterprises will further exacerbate the polarization
      The next few years will be a high-speed hardware industry shock period, this high-speed shocks the direct consequence of the current hardware kitchen brands to expand the trend of polarization camp. The next few years is expected to really be able to survive in the market is absolutely no hardware business is now so much. However, this high-speed hardware industry will bring tremendous opportunities shock, shock results will make the market more rational operation.
      Sales channels will undergo profound changes,load chain channels increasingly fierce competition between
      As the domestic oversupply of hardware products, quality, pressure, sales channels has become a key competitive factors, the parties to the channel increasingly fierce competition. On the one hand, manufacturers strengthened the control on the retail end, and strive to reduce sales cycles, saving cost of sales, the sales channels to professional development, enterprise sales model can simultaneously accommodate diverse towards the direction of the market. On the other hand, sales industry trend towards the development of large chain stores rising status, control of the industry enhance its ability to participate and were mainly caused by a manufacturer-led price competition. Large retailers with its broad market coverage, purchasing scale and cost advantages in product pricing, payment delivery in terms of control of the production enterprises will be increasingly strengthened.
      Meanwhile, the international market for our hardware products will be the progressive development and changes in the quality of Chinese products, packaging, delivery time will have higher requirements, or even gradually extended to the production process and product development, product and environmental protection , energy resources, human environment together.
      Price-based competition in the market will be shifted to high-quality, high-tech products
      As competition in depth, the various stages of hardware industrial chain profit margins were compressed, downward movement is reduced. More and more companies recognize that price competition alone can not build the core competitiveness, not the long-term direction of development, in an effort to explore a new path of development.
Many hardware companies increased technical input to the development of new products with high technological content, product differentiation as a permanent solution for enterprise development, to seek new market demands, the establishment of a new economic growth point (such as electric hoist and enter to other similar industries), in order to achieve sustainable development of enterprises.
      Integration of domestic and foreign enterprises will further accelerate
      Domestic hardware companies in order to improve their strength more quickly expand the international market, through various means to accelerate the integration and foreign enterprises to improve product quality, enhance competitiveness. Continue to expand in the United States, Japan and other traditional markets, while countries in Southeast Asia, the Middle East, Russia, Europe, Africa, will provide full bloom.
      Overall, China's hardware industry will continue the momentum of structural adjustment, but will continue to be some bright spots.hoist equipment Hardware companies polarization of the situation will only get worse, have to adapt to market competition, companies will compete to exit the market through different channels, and hardware giant will gradually emerge.

Electric hoist way to promote and noise fault solutions

Electric  lift hoist  so that our country in this field and construction mechanization level of civilization has a greatly improved. From the early promotion of do not know, do not understand, do not use to this day in the cities of the construction industry has become an indispensable prerequisite equipment for the industry thought and understanding is a great improvement; domestic hoist manufacturing and leasing industry mushrooming development of the country's manufacturing enterprises no less than dozens of gourd, annual production had over 10,000, in the world, can also be called gourd production big country. Moreover, in the  wire rope hoist  structure, technology, technology has been greatly improved and enhanced. Meanwhile reach cantilever beam structure is the way, the stability of its force far less now widely used zipper-style lightweight and stable. Nevertheless, China's manufacturing industry in the technology gourd, structure, process and even the materials are to improve and enhance the space. Abnormal noise occurs in the control loop, making noises, typically contactor fails to deal with fault contactor maintenance, overhaul can not be replaced, treatment, self-noise elimination.hoist equipment Motor makes any abnormal noise, immediately stop, single-phase operation, the entire issue of regular motor suddenly strong suddenly weak hum; while bearing damage when near the bearing and shaft couplings errors, or when the motor slightly sweep chamber, when not accompanied by shrill voice. In short, the difference should be based on the noise, to find fault, for itemized repair and restore normal performance of the motor when the motor fault untreated,load chain prohibit the use of gourds. First determine reducer gearbox or bearing on whether to raise the oil prior to use, whether to use periodic replacement of oil, but also excessive wear or damage to the gears and bearings.

Xinjiang regional revitalization imminent construction machinery industry new opportunities and developments

Each construction machinery industry practitioners are aware, the national policy guidance for the entire industry and promote the role should not be overlooked, tracking policy direction construction machinery industry has become a required course for business growth and development.hoist and trolley Since the financial crisis, after the financial crisis in order to ensure the stable development of the transition period, to achieve structural adjustment, promote livelihood purposes, nearly more than a year the Chinese government gradually introduced more than ten regional revitalization plan, subject to the relevant sectors attention.
    Economic revitalization plan infrastructure to advance, while the strategic planning under the guidance of a large number of construction projects will be planned, existing projects will be further accelerated, will lead the construction machinery industry. Therefore, to keep abreast of regional economic development planning, for enterprises to adjust the layout has a very large market guidance.
Recently intensive research through central Xinjiang region, and the central work conference in Xinjiang to disclose information, the central government will increase financial investment in Xinjiang, financial support for their counterparts in provinces,load chain the central enterprises focus on large-scale investment in key projects, it is expected fixed assets in Xinjiang have three huge investment will rise.
Central investment Xinjiang and the Corps continued to tilt, "Twelve Five" period, Xinjiang total fixed assets investment scale than the "Eleventh Five-Year" period to more than double. If you press the "Eleventh Five-Year" 1 trillion yuan of investment scale computing in the next five years, the scale of investment in Xinjiang region will exceed 2 trillion yuan.
    Central to actively promote a new round counterpart Yuanjiang work to accelerate signal leapfrog development in Xinjiang, have been identified Beijing, Tianjin, Shanghai, Guangdong, Liaoning, Shenzhen and other 19 provinces and municipalities bear counterpart support Xinjiang task. A new round of counterpart support period of 2011-2020. "Counterpart Yuanjiang" large-scale capital investment, will promote Xinjiang's economic development.
    Overall, through regional policy, will make Xinjiang's energy strategy will be further strong position, with the speed transportation infrastructure, energy reserves in Xinjiang Xinjiang will translate into tangible wealth, Xinjiang's agricultural resources will accomplish much has become an important part of the development of Xinjiang.
From the current situation, the Xinjiang region in technology and talent, and no special advantage, but in terms of resources is huge potential treasure. In the new round of regional revitalization, according to the Xinjiang government scenario planning, 'second five' period,hoist equipment Xinjiang will continue to focus on advantageous resources transformation strategy in the development of petroleum and petrochemical industry as well as make coal coal coal chemical industry of the article . "
    Achieve petroleum, petrochemical, coal and other resources transformation, is the key to the revitalization of the Xinjiang region to achieve, but these three related construction projects, construction machinery industry has always been a "big customer" gathering place, which we assert that the future Xinjiang region construction machinery demand will increase substantially, cranes and other equipment manufacturing enterprises need to prepare as soon as possible.
    Clear from either the speed or energy infrastructure projects to promote Xinjiang regional revitalization for engineering equipment provided space for development. But note that the Xinjiang region location, climatic conditions are rather special, for construction machinery construction requirements are relatively high, the need for targeted industries and enterprises in research and design, to be able to provide a suitable competitive products.rope hoist Also Xinjiang transport current inconvenience in equipment sales and after-sales service naturally made very high demands.
    Xinjiang regional revitalization soon sounded the horn, we believe that this is the development of construction machinery industry has a new historical opportunity in the upcoming wave of construction, construction machinery industry will play an important role.

Wire rope electric hoist is a high usage of one of the members

Wire rope safety technology involves the kind of manufacturing methods, constructors performance, force status, as well as maintenance, inspection, scrap, and many other issues,manual block 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 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,load chain 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, 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,manual hoist and its destruction in addition to mechanical damage, the structure of improper selection, improper maintenance checks, wire rope failure promptly discarded and no other reasons for updates.

To confirm the purchase stage hoist the following questions

1, lifting height: Stage electric rope hoist  as a promotion tool, would lift height has strict requirements. Time of purchase, according to the height of the site selection stage of lifting height, the conventional lifting height has 6,9,12,18,24,30 m, special height can be designed according to requirements.
2, motor power: Different stage electric hoist motors are not necessarily identical, the same stage 10t hoist motor is also possible that 13KW or 7.5KW, customers can choose according to their different needs to buy.
     3, voltage: Stage electric hoist as used in all walks of life inside, so the stage voltage electric hoist is not the same,load chain there are 380V 220V China also has industrial electricity consumption, and even 440V, 60HZ, 380V, 60HZ series of non-standard power supply. Spring balancer
4, I-beam to the stage hoist hook bottom center (minimum hook spacing): Stage electric hoist purchase should pay attention to the spacing between the upper and lower hook, because in certain plant will stage hoist hook spacing specific requirements, if you are on the hook spacing there are strict requirements, low building height stage hoist to meet your requirements.
5, Installation: stage hoist into electric car type (ie,Manual hoist stage hoist lifting heavy objects can be either up or down and move around) and stationary (only up and down lifting weights) of the points, can be divided into fixed on fixed (A1) and lower fixed (A2).

Explosion-proof electric hoist the special properties of the structure

Explosion-proof electric hoist  load chain  through special processing, the friction will not produce sparks; electric hoist and other components have been proof tested and factory undergo rigorous quality control to ensure safe sex.
Explosion-proof electric hoist, belonging lifting equipment, including explosion-proof lifting motor, drum equipment, hook, gear box, flameproof electrical control box, run the car. Explosion-proof electric Rope hoist  very reliable rugged, extremely powerful, cost is particularly high; each proof parts are in line with international standards, to maximize high safety factor treasure indeed proof electric hoist.
1 explosion-proof electric  lift hoist  is composed of several components can be individually disassembled, use, maintenance and repair is very convenient, and can shorten the maintenance cycle.
2, the proof motor, explosion-proof control box is a separate structure. Control buttons, limit switches, explosion-proof lifting limiter are in line with the corresponding explosion.
3, a large degree of component commonality, interchangeability.
4, reducer standard module cylindrical gears for easy maintenance.

Proof chain hoists common problems

Proof chain hoists daily use will encounter some common problems such as: card chain, brake skid brake dead cars and other issues, the following tells you experience these common solution to the problem:
1 explosion-proof  chain block   routine maintenance checks are important and should be regularly corresponding mechanical parts for maintenance testing, look at whether there is rust all mechanical components, etc., should be promptly apply lubricant. Proof chain hoists chain should always use lubricant maintenance, one is causing the card to prevent the chain rusty chain, and second is to extend the life of the chain.

2, the proof  Manual hoist  friction plates should be regularly checked or replaced, it should be used frequently seven days to do an inspection, if found friction plate with oil, should be replaced immediately; if found thin linings should be replaced, because of the above two kind of problem will cause instability proof chain hoists brake skid.
3, proof chain hoists brakes under a ratchet, ratchet pawl next one, such as the pawl spring loose will cause chain hoists without brakes.
4, proof chain hoists load chain  guide wheels should be checked regularly to see if there is squeezing the guide wheel, deformation, broken teeth and other situation, such as found chains and size, etc. deformation, should immediately replace the corresponding proof chain hoists accessories.

Electric hoist load chain heat treatment requirements is the key

Electric hoist  load chain  heat treatment requirements is the key


By the open-hearth steel load chain, electric or basic oxygen furnace smelting. Steel must be killed steel, weldability and cold resistance, and contains a sufficient amount of alloying elements, in order to ensure the chain hoist after appropriate mechanical properties after heat treatment.
        load chain is alloy steel. Chain allows manufacturers to stabilize during use, to prevent strain aging embrittlement, the content of aluminum alloy to be not less than 0.02%. Steel grain size was measured in accordance with BG 6394, should reach the austenite 5 or more.
        Wire rope hoist  lifting chain heat treatment is one of the most critical steps, lifting chain  heat treatment according to a detailed explanation: the chain shall withstand the heat treatment step in the manufacturing process completed before the test force test. All links should be 0.02dn carburized layer above the surface hardness should not be less than 550HV, core hardness is about 380HV.

The load chain lifting techniques

load chain is lifting gear, rigging are mainly used  manual hoist ,  rope hoist ,  lever hoist   etc., as the main component, can also be used alone, lifting chain made of high quality alloy steel casting, good wear resistance, high temperature resistance, long life. Specializing in the production chain Ling eagle is 8.0 high strength lifting chain, durable, easy to wear.

1, the chain belongs oversized, its greatest advantage is in the same diameter, the rated load of up to 25%, that is in the same rated load, smaller diameter.

2, the chain has a higher surface hardness and better toughness. Chain links and attachments more wear.

3, the chain, and has the same level only parts to each other.

4, the chain temperatures up to 200 degrees to 100% of rated load, 200 degrees to 300 degrees is 90%, 300 degrees to 400 degrees is 75%.

5, the chain elongation A minimum of 20%.

In addition to the  load chain   the alternative is often used a rope, chain and wire rope can say is different in different conditions, the choice of appropriate species, on balance, in order to achieve the best results.