Chain Block as an upgrade version of the fixed pulley, fixed pulley fully inherited the advantages of using reverse backstop while reducer and chain brake pulley combination of symmetrically arranged two spur gears rotating structure, a simple, durable and efficient.
mechanical lifting devices
2014年12月28日星期日
Single wheel lifting tackle requirements
(1), before starting a new cargo belt 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 requirements, 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24日星期三
Single wheel lifting tackle operator requirements
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Single wheel electric chain block is an important tool for lifting, simple structure, easy to use, can be used repeatedly to change the lifting tackle and block group direction of pulling cable and running a large weight lifting or moving objects, especially by block joint pulley group composed with winches, masts or other lifting machines, widely used in the construction and installation operations. Lifting tackle is a single wheel lifting tackle, winch lifting machinery lifting equipment or materials supporting small and medium sized products.
2014年12月20日星期六
How to maximize the usefulness of lifting tackle
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Lifting tackle how to use in order to maximize the usefulness of
(1) When lifting tool wear around the electric chain block group, it should be noted rope pulley groove angle. In any case, the pulley groove angle may not exceed 4 ° ~ 6 °. Because, when the wire rope in the pulley groove angle is too large, the wire rope and the pulley groove side wear increased, on the other hand, is easy to slide the wire rope rope groove, so that the lifting operation can not be normal, or even accidents.
(2) to wear around the lifting gear or pulley block pulley rope pulley must comply with the requirements. Elected with a rope pulley diameter exceeding the requirements will exacerbate sheaves wear, but also to make rope wear and tear. From the weight of the block must be equipped with the appropriate thickness of the rope.
(3) block group were wearing around after use, take a test hanging, detailed examination of each part is good, whether the friction between the friction or rope at each other, if wrong, should after adjustment to formally lifting.
Change (4) the direction of the force on a electric chain block, or at high altitude operations, without declaring the use of hook-type pulley to prevent decoupling. Such as the use of hook-type pulley, you should take protective measures. If, after a good hook to hang with a thin wire to hook mouth shut, so that the hook can not emerge; or using hook with Picasso plates, this hook is more convenient to use, in the hang hook, Picasso plate under the action of the spring to bounce the hook mouth shut.
(5) shall not be overloaded using pulley, the pulley when there are cracks or defects, shall not be put to use. Other parts, such as hooks, axles, pull boards flawed, does not meet the requirements, are not allowed to use.
(6) If the multi-door pulley which is in use only a few doors, its weight should be commuted from reduced accordingly, can not be based upon the original starting weight make.
2014年12月16日星期二
Do not overload a single skating car use.
electric chain block operation should make the force hand chain bracelet in the central plane of the wheel shall not be stayed.
Single skating car rally abnormal cases where the hand, must not jerk, should immediately stop using, check the reason.
Single skating car gear and track surface regularly filling oil, and check for loose fasteners.
Trolley riders pull single skating is to support the work of the I-beam, the deformation, distortion, cracks, or does not meet the criteria and have other defects can not be used as single-track lane of I-beam.
Single skating car lifting weights, and forbids any person to walk or work under heavy loads.
Single skating car when lifting heavy beam so that the center of gravity within the plane of the web, do not lifting.
2014年12月12日星期五
Single skating car to work, walk or work under non-heavy
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electric chain block is an important tool for lifting hook block can be divided into single-round, single round rings tackle. He is simple, easy to use, can tackle and block group number changes the direction of pulling cable and lifting or moving operation, especially by a coalition of pulley block pulley group with winches, masts or other lifting machines, widely used in the construction and installation operations.
2014年12月8日星期一
Lever hoist Note
ratchet lever hoist Note:
1. Do not overload use.
2. prohibited by power other than human actions.
3. Before use is required to confirm parts intact, transmission parts and lifting the chain oiled, idling situation to normal.
4. Check before lifting hook is hanging down firmly. Do weights hanging at the tip of such erroneous operation. Lifting chain should be hung vertically, not a wrong twist of chain link, double under hook rack chain not flip.
1. Do not overload use.
2. prohibited by power other than human actions.
3. Before use is required to confirm parts intact, transmission parts and lifting the chain oiled, idling situation to normal.
4. Check before lifting hook is hanging down firmly. Do weights hanging at the tip of such erroneous operation. Lifting chain should be hung vertically, not a wrong twist of chain link, double under hook rack chain not flip.
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