Hoist equipment structural featureshand chain hoist

Hoist equipment including motor, hoist, chassis, shields and other components; using three deceleration mode,hand chain hoist with spiral pay transmission output torque greater. Hoist steel supporting civil overcome irregularities in order to reduce overall noise and vibration.
Hoist equipment using outdoor long duty motor, protection class ≥IP155. Stroke control mechanism using the principle of the decade counter, the stroke control error 0.5%.Hoist equipmentorque control is the axial displacement protection through the worm touch micro switch,Hoist equipment
  to achieve protection of electrical principles.hoist equipment easy operation and maintenance, enabling on-site and remote control operation.

hoist equipment devices introduced

Hoist equipment including hydraulic system power unit, control and regulation devices, and other assistive devices. Sets can share a hydraulic hoist system.
.Hoist equipment hydraulic power unit generally, it is the mechanical energy into hydraulic energy. Hoist equipment Pump generally use positive displacement pumps, such as vane pumps and piston pumps. Vane pumps and piston pumps have a compact structure, smooth operation, less noise, long life and other advantagescan be high pressure, high flow, and the flow rate is adjustable. Recent years, domestic hydraulic hoist common use in high pressure, so in most cases, piston pump. Additionally,small electric hoist because the importance of hydraulic Hoist equipment hydraulic systems are generally set up two sets of hydraulic pumps, spare each other.

The main features of hoist equipment

Compact hoist equipment structure, the motor axis is perpendicular to the axis of the reel hoist using worm gear. Its disadvantages are: the length of large size, the size of the large width aspect,Hoist equipment clumsy structure, the low mechanical efficiency and the like and processing difficult. Hydraulic system for dual control, overflow valve, magnetic contact pressure gauge can be accurately controlled. Electrical control department uses a low voltage control, increased security dominate the system, manufacturers have no such structural type of product.
Structure and Characteristics: The machine uses a mechatronic design, the replacement of a different mold, you can suppress the different specifications of wire rope, domination is simple, safe. Its main drawback is the motor cooling premise is poor, poor grouping, inspection, device, easy maintenance motors, power supply unit complex.electric hoist trolley Electric motor axis is parallel to the roll axis of the electric hoist, wire rope electric hoist advantage of its height and length of the small size. Its disadvantage is that the large width dimension, the packet is poor, the manufacturing and assembly complexity.
Classification and description of the composition department wire rope hoist wire rope hoist are: motor, pass the idea of ​​structure, drum and sprocket. The mutual position of the motor and the spool can be roughly divided into four different types. Suppression of rope Rally, beautiful, fast, crimp a wire rope just a few minutes to complete,portable electric hoist
  greatly reducing the labor intensity, improve work efficiency.
Motor mounted on the outside of the drum hoist equipment, its advantages for the group is good, high degree of common, easily lifting height changes, device testing convenient.

hoist equipment major classification and application areas

hoist equipment is a special lifting equipment, installed in the crane, on the gantry crane,Hoist equipment electric hoist with small size, light weight, simple operation, easy to use features for industrial and mining enterprises, storage terminals and other places.
hoist equipment major categories: electric chain hoist, wire rope electric hoist (proof gourd),hoist manufacturers corrosion electric hoist, double drum hoist, hoist, mini electric hoist, electric hoist crane group, multi-hoist.
Application areas: promotion, pull shift, handling heavy loads, tank flip chip bonding, such as installation and moving various medium-sized concrete, steel, and machinery and equipment for construction and installation companies, civil construction and bridge construction factories and mines, electric power, shipbuilding,Hoist and trolley automobile manufacturing, construction, roads, bridges, metallurgical, mining, slope tunnels, wells and other infrastructure construction management protection of machinery and equipment.

Introduction to the electric hoist gantry crane girder production technology (box)

With the continuous development of Hoist equipment economic development, the manufacturing level has been rapidly CDD Electric Chain Hoist. Electric hoist gantry crane is an indispensable equipment in building materials market, the manufacturing quality of high and low, directly affect its performance. Especially the metal structure manufacturing quality, plays an vital role in the safe use. Now to the rated lifting a total quality of 10 t electric hoist gantry crane as a case, introduced the production Hoist and trolley, hoping to play a good reference for similar projects. The related cheap wire rope hoist parameters are as follows: electric hoist gantry crane: rated lifting the quality of 10 t; Design chief, 36 m; Door leg span 24 m; Hoisting height 9 m; The beam width 6 m; Single girder structure, the door legs into the "eight" glyph stress; Wheel bearing, two-wheel driven. Whole girder body into the box structure is long and narrow shape, the girder web plate thickness is thinner, weld, and mainly concentrated in the top side, large amount of welding. Which is the most difficult to control point is: the main girder camber, web verticality, lateral bending, and 24 m span. Because the making craft of main girder has certain representativeness, door for other structures such as beam under rigid legs, manufacturing has important reference, in the only for the three of the crane structure of main girder of the production process, talk about manufacturing technology and quality control.

Use electric hoist the note

Use electric hoist the note
Electric hoist is good, but when use some noteworthy aspects:
1. When lifting can not sew, tilt manual hoist heavy objects you for your cooperation.
2. When the hoist lifting, it is important to ensure that at least 3 ring steel wire rope, rope cylinder force is too large to prevent the wire rope fell off the rope drum.
3. Regularly check whether the installation of the elevator.
4. Please don't use don't overload the hoist equipment weight lifting objects when using the elevator.
5. The operating personnel please don't in the case of alcohol, medication and illness elevator operation.
6. It is forbidden to anyone standing when hoist lifting heavy objects in lifting the weight of below.
7. To manipulate when the steel wire rope, please wear with thick gloves, please don't let slip from your hand, and wire rope lest cause slippery hurt or injured.
8. The elevator to carry people in any form, or as the elevator promotion tools.
9. Please do not arbitrarily or welding of elevator parts.
10. The micro electric hoist elevator installation position must choose in consistent with the need, and easy operation.

Light and small hand chain hoist is a kind of Jane inexpensive hoisting tools

Light and small hand chain hoist is a kind of Jane inexpensive hoisting tools, applicable to infrastructure construction, equipment installation, and dockhoist equipment departments such as agriculture, forestry and water conservancy; Can also be matched with manual monorail trolley for lifting the transport, and liquidity operation is more suitable for places where no manual hoist supply. In 1962, our country has designed SH type chain series of drawings, by first machinery industry department order to targets JB56O 64, then on the basis of a large number of products, except for the use of domestic and abroad. But with the development of science and technology constantly in our country, there have been some new material and new process, the performance parameters of the original chain has lagged behind. During the great proletarian cultural revolution movement, through the use of the production practice and user experience, to improve the products constantly, finally we make it become the HS type chain this new series design, its performance parameters have reached the advanced level. One, main parameters and breed new type series chain blocks is called the HS, H represents the gourds, S representative chain group. Series code is made up of model and tonnage, such as HSS said HS type chain blocks 5 tons. New series chain includes four kinds of the body, through the change of sprocket ratio from 0. 5 tons to 20 tons of total n specification. With 0. 5 tons for a single organism, 2 tons of the body can be 1 ton and 2 tons of two specifications.

Electric hoist is a kind of career and high efficiency of hoisting machinery

Electric hoist is a kind of career and high efficiency of hoisting machinery, is widely used in recent years in some companies, but where the combustible gas and hoist equipment gas exists, must use explosion-proof electric hoist. Electric hoist has the following characteristics: such as ethylene, gas, gasoline, ethane, a wide range of all kinds of combustible gas and volatile gas with pressure explosion-proof performance for the object. Only for electrical part adopts explosion-proof antagonism, and for a total of a brake before lighting degrees G3, need not use explosion-proof withered. In order to facilitate maintenance and repair, listed in the part of the power supply, button, motor, electromagnetic brake, and the two end of electromagnet and knock acquired by scratching boxes. In order to improve the safety, spin box also USES the detonation pressure field of biological structure. Listed electricity are with varied third yan xu, television, or the equivalent of a third of the neoprene rubber fromchainb lockelectric shovel, the total can reliably grounded in the power source, the characteristics of pressure explosion-proof electric hoist explosion-proof electric hoist in the knock explosion-proof electric hoist, should according to the characteristics of a total different from general motors, the electric hoist for transporting goods, not only push in pitch was prepared for lifting, therefore, it is commonly believed, used to push in YiBei lifting venues, such as for bad vote for yi and combustible gas leakage.

Metal products mainly produces steel wire

Metal products mainly produces steel wire, steel wire rope production and import and export situation of countries there have been some research and report [1-4], but time is too long, the situation has not been reported in recent years, especially in the import and export of steel wire rope not seen system research reports. According to customs data research major exporter, a major importer of wire rope, import and export quantity and price and quantity and price movements, the development of steel industry in China has a certain reference significance. hoist equipment rope export 1.1 export country constitute the exporter, China is a wire rope export wire rope 699300 t, 2010 here mentioned wire rope is generalized, including steel strand and cord. China's biggest exporter of wire rope is the United States, in 2010, exports to the United States steel wire rope 11.1 40000 t, about 16% of Chinese exports wire rope. South Korea is China's second largest exporter of wire rope, wire rope exports to South Korea 94100 t, 2010 accounted for 14% of China's steel exports. Vietnam, Japan, Canada, India, the united Arab emirates (uae), Singapore is larger wire rope manual hoist in China, in 2010 China's steel export country form as shown in figure 1. 1.2 wire rope export quantity change China's export quantity is big, not only but also large fluctuations.

also known as chip joint chain, lifting chain joints

Chip lifting chain, also known as chip joint chain, lifting hoist equipment joints, etc., it is used for lifting device of the sprocket or smooth on the pulley, and other requirements of compact transmission of low speed and heavy loading. It has the advantage that the welding ring lifting chain, and work is more reliable. With chip lifting chain and sprocket instead of hoisting wire rope and drum, the structure is compact. The downside is the chain weight is bigger, only one-way flexible, not bending tendency, lubrication and maintenance difficulties. Installed in the Buddha mountain manual hoist station of 100 tons 50 tons/double gate door leaf chain hoist type lifting chain structure as shown in figure 1. Chain by a pin shaft, plate, gasket and cotter pin. In order to facilitate the chain of loading and unloading, and chain pin shaft can be made into optical axis, and put in the sleeve. According to the provisions of article 13 of the "product quality standard", "may endanger human body health and personal and property safety of industrial products, must conform to safeguard human health and the national standards, industry standards of personal and property safety; to formulate the national standards, industry standards, must conform to safeguard human health and the requirements of the personal and property safety. May endanger human body health, and personal and property safety of the industrial products, including industrial products may endanger human body health, would endanger the safety of person or property of industrial products, and may endanger human body health and may endanger personal and property safety of industrial products. The so-called" could threaten "in this article, not abnormal use product cases, possible dangerous. Therefore define the product, should consider product may produce an element of danger is under normal use, or cause some dangerous under abnormal use.

The vigorous development of crane industry

The vigorous development of crane industry brought a higher level of development to the design of the crane, the use of new design method has chainb lock the crane main means and way of enterprise competitive ability. In this paper, starting from the development present situation at home and abroad of crane, bridge crane car running mechanism design, for example, this paper hoist equipment the parametric design technology, modular design technology and other modern design methods in the crane industry applications, the final design completed bridge crane car running mechanism of parameterized design system and the application example is given. Thesis mainly complete the content is as follows: on the basis of contrast analysis of crane industry development status, the car running mechanism, for example, combined with the crane design manuals, A3811 related reference books, such as the design calculation method are studied. Combined with modern design method, database management technology and secondary development technology is put forward based on the parametric and modular car run parametric design system of organization development approach. With SolidWorks as a development platform, related parts, standard parts for the parametric modeling. Using assembly sketch technology makes the components in the spatial location of the assembly is more convenient and reasonable, using series parts generate tables built components configuration is more convenient for users to use and check.

Hand gourd it used in structural design and performance

Hand moving hoist used in structural design and manual hoist, it has five characteristics: (1) the use of safe, convenient maintenance; (2) high mechanical efficiency, hand pull small; (3) the lighter weight, easy to carry; (4) beautiful appearance, small size; (5) durability. Daxing coal mine the chain hoist are used in factory maintenance, commonly used the HS series chain hoist adopts symmetrical arrangement of secondary spur gear hoist equipment mechanism, the maintenance, should be no load and overload test, confirm the work can be used in production. Often caused by a lack of detection means, chain blocks with the hidden trouble in production use, repair rate. Therefore, it is necessary to develop a tester, for the maintenance manual hoist loading experiment. 1 process manual hoist tester developed ever implement two kinds of schemes, finally, selected as shown in figure 1 new manual hoist tester, tension meter available directly shows that have been rated lifting weight of the chain hoist. The working principle of tension meter is spring absorption manual hoist external pulling force. After the spring load can produce corresponding deformation, unloading and then can recover

Manual stop block is different from automatic clutch, brake and accelerator

Chain by pulling to move the chain, hand wheel rotation, the friction slice ratchet wheel, brake manual hoist into one common rotation, short and long axis rotation piece of gear, the tooth axis and the spline gear. In this way, the device on the spline gear of lifting chain wheel drives the lifting chain, so as to smoothly promote the weight. Unilateral brake friction ratchet type, can self braking under load, ratchet in spring and ratchet gearing, under the action of the brake safety work. Gourd after cleaning maintenance, should carry on the no-load test, the work is normal, reliable braking, can consign is used. Manual stop block is different from automatic clutch, brake and accelerator to cooperate can stand a good car, than manual stop block driving automatic-shift trival, but also has its own advantages, open often will become adept. Start technique. Different from automatic buffer, buffer started hoist equipment, the left foot on the clutch, hang a, above the vanity with right foot on the accelerator, slow up the clutch brake light step on the gas at the same time, at the same time lets go clutch after left foot on the accelerator slowly up completely, vehicle start smoothly. But when you meet the high starting clutch to be carried to the right, his left foot or the vehicle is in a state of "linkage", then even if the hand brake, loose braking, the vehicle will not slide. Then follow the step on the gas, and slowly lift the clutch, hand brake, the car started.

When lifting chain heavy

Lifting chain weight, ye begin moving chain, hand wheel hoist equipment rotation, the friction slice ratchet wheel, brake pressure into one common rotation, short and long axis rotation piece of gear, the tooth axis and the spline gear.Circular chain, triangle type chain blocks, K type chain blocks, the hoist equipmentchain,

V chain blocks, T chain blocks, miniature hand hand chain hoist, explosion-proof hoist, 360 degrees of chain blocks, etc.

Loader is mainly used to shovel, loading, unloading

Loader is mainly used to shovel, loading, unloading, earth and stone material, can also be carried out on the chainb lock, hard soil mild spading homework. If change of different working device, but also can complete bulldozing, lifting, loading and unloading of other materials. During the construction of a highway is mainly used for filling subgrade engineering digging, aggregate of asphalt and cement concrete yard, loading operation, etc. Because it has a operation speed, good hoist equipment, the advantages of convenient operation, thus developing rapidly, become the construction of the main equipment.

Manual transmission (MT) manual transmission

Manual transmission (MT) manual transmission, also called manual gear box hand toggle shift lever to change gear meshing gear within the transmission, change the transmission ratio, so as to achieve the purpose of speed change. Manual operationchainb lock be more a sense of operation, as well as fun. Cars do. Lifting equipment is made up of improvement slot, vibration motor, vibration isolation system and the base, etc. This series of manual hoistis the vibration motor as vibration source, on the improvement slot with two sets of the same type of the center line of the cross Angle vibration motor installation, and do the opposite direction from the synchronous rotation, vibration motor with eccentric block rotates at every instant position of the centrifugal force generated by the component hoist equipment the casting direction for reciprocating motion, make the bearing on the shock absorber of whole body vibration, the material being thrown up in the improvement slot upward movement at the same time, the material fall into the trough, start being thrown up, this time can make a good contact with raw material and air, also can have the effect of thermal cooling.

Its main features are

Lever hoist
Its main features are:

1. Advanced structure, the use of safe, reliable and durable.

2. High efficiency, easy operation and comfortable.

3. Small size, light weight, easy to carry.

This product is suitable for factories, mines, construction sites, docks, transportation and other occasions, equipment installation, cargo lifting, stationary objects, the ideal tool for lashing and traction, especially in traction at any angle and in small venues, open jobs and No power in the case, but also demonstrate its superiority.

Chain lever hoist features:

? All for structural steel

? Grade alloy chain

? All for gears

? Gear and the rotation of the shaft part has a bearing or sleeve

? Product surface after spray treatment

? Professional alloy hook to meet the product overload

? Products can meet 150% of rated load weight

Wire rope pulling hoist:

Wire rope pulling hoist, also known as rope pulling machine. Is a new, efficient, safe and durable lifting products, with lifting, pulling, tensioning three functions, the whole structure, reasonable design, high safety factor, long life, especially for field with no power source next.

The aircraft quality aluminum chassis Chain Block made of high strength die-casting, supporting the use of wire rope with a particularly high breaking force and abrasion resistance, according to customer needs configuration phase for the rope length. Mainly give to 800 kg, 1600 kg and 3200 kg.

This product is the aim of our quality-oriented, honest to the letter. The company has many years of experience in international trade, and timely product delivery, reliable quality, reasonable prices, good service, at home and abroad customers. We sincerely welcome all people, patrons.

Stainless steel ring chain lever hoist processing technology

In fact part of the stainless steel, both stainless nature, there are acid resistance, corrosion resistance. Stainless steel and corrosion resistance is due to chromium-rich oxide film on the surface (passivation film) formation. This stainless steel and corrosion resistance is relative, introduce you to the following  hoist equipment  steel processing technology details, for you to understand.



Tests showed that steel in the atmosphere, water and weak nitric acid medium and oxidizing medium, the corrosion resistance of chromium steel with the increase of the water content increased, when the chromium content reaches a certain percentage, the occurrence of corrosion resistance of steel mutation, that is, from rust to rust, never corrosion to corrosion. Many classification of stainless steel. The organizational structure at room temperature classification, martensitic,wire rope winch austenitic, ferritic and duplex stainless steel; by major chemical composition can basically be divided into chromium stainless steel and chrome-nickel stainless steel two systems; by Purpose then there is resistance to nitric acid stainless steel, acid-resistant stainless steel, water-resistant stainless steel, etc., can be divided into types by corrosion-resistant stainless steel pitting, stress corrosion of stainless steel, resistant to intergranular corrosion of stainless steel, etc.; classification according to features can be divided into no magnetic stainless steel, free cutting steel, low temperature steel, high-strength stainless steel and so on.
Because stainless steel has excellent corrosion resistance, formability, compatibility, and in a wide temperature range and other characteristics of strength and toughness,manual block so in heavy industry, light industry, household items and architectural decoration industry and other industries have access to a wide range of applications .

Mini electric hoist correct installation method

1, mini electric  manual hoist  the standard of work is single phase power supply running account, and you must use an outlet with a ground wire.
2, open the packing. Be sure to rope wrapped around the rope drum opened on paper tape, scored before the test machine, test machine if you hurry, you may cause rope rewind bashed limit aircraft.

3, avoid direct contact with the wire rope and stop frame, otherwise it will lead to the limit switch failure, causing mini electric hoist is not working properly.
4, do not let the mini electric lift hoist  to be exposed to rain or soaked in water, mini electric hoist protection rating of IP54.
5, the use of miniature electric hoist body can not move or rotate along the mounting rod.
6 Warning: Make sure all cables and micro electric hoist on a rotating or hot parts to maintain an appropriate distance.
7, if the mini electric hoist in the state did not fall, roll the last three laps rope coated with red paint can not be released.hoist equipment If continue down switch, wire rope on the rope drum will be rewound to make electric hoist operation upside down on the open, so that the limit switch will lose effect.

Mini electric wire rope hoist selection criteria

Mini electric rope hoist  rope is in one of the main components, the number of broken wire rope, erosion (wear) the amount of deformation, the use of such length and fixed state should meet the national standard.

(1) wire rope used should meet the requirements, the connection method should be correct.
a. rope ends fixed platen should be ≥ 2 or with a wedge fixed on the drum and other member.
b. When the hooks and other devices extract in the lowest position (including pit), the wire rope on the drum winding number, in addition to the fixed rope tail number of laps, but must leave ≥ 2 laps.
(2) one of the following occurs rope should be scrapped:
a. rope around the post in a twisting pitch (refers to any one of the rope around a week shares axial distance) number of broken wires within the total number of wire rope of 10%.
b. lifting hot metal or dangerous goods, rope, broken wires scrapped its general bouncer inflatable take half the heavy machine,hoist and trolley such as broken wires phenomenon concentrated in the local, or six times the length of broken wire rope diameter concentrated in a shares on a prescribed shall be half that line scrapped.
c. surface layer of steel wire rope corrosion or abrasion of the surface of the original wire diameter of 40%.
d. rope diameter is reduced amounted to 7%.
e. rope obvious internal corrosion.
f. rope surface wear or corrosion, there are a certain number of broken wires, broken wires tension meter from the surface to the requirements of a and b are multiplied by the reduction coefficient is determined after: when wear or corrosion rates were 10%, 15 %, 20%, 25%, 30% -40%
, The reduction factor corresponding to 85%, 75%, 70%, 60%, 50%.
g. entire strand break or burn out.
h. partial outer rope elongation was "cage"-shaped or rope fiber core diameter increases more serious.
i. rope kinking, dead, hard curved, plastic deformation,hoist equipment hemp core prolapse severely deformed.