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Release time: 17:06, August 19, 2020合肥附近有没有服务

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Winch hoist in the operation process of reducer oil leakage problem, this is why?

1. The internal and external pressure difference of the winch hoist reducer: during the operation of the winch hoist reducer, the friction heat of the moving pair and the influence of the ambient temperature will increase the temperature of the winch hoist reducer. If there is no vent or the vent hole is blocked, the pressure inside the winch will gradually increase. The higher the temperature inside the machine, the greater the pressure difference between the winch and the outside, It leaks through the gap.

2. The structural design of winch hoist reducer is unreasonable

1) the cover plate of the inspection hole is too thin, which is easy to deform after tightening the bolts, resulting in uneven joint surface and oil leakage from the contact gap;

2) during the manufacturing process of reducer of winch hoist, if the casting is not annealed or aged, and there is no internal stress, deformation will inevitably occur, resulting in gap and leakage;

3) there is no oil leakage at the upper and lower oil seal grooves;

4) the shaft seal structure design is unreasonable. In the early stage of assembly, the felt seal ring of the drawworks was combined with the felt seal ring to produce the seal. If the contact between the journal and the seal is not ideal, the seal will fail in a short time due to the poor compensation performance of the felt. Although there are oil return holes on the oil groove, they are easy to be blocked and the oil return function is difficult to play.

3. Too much oil: during the operation of the reducer of the winch hoist, the oil pool is stirred badly, and the lubricating oil splashes everywhere in the machine. If the oil quantity is too much, a large amount of lubricating oil will accumulate at the shaft seal and joint surface, resulting in leakage.

4. Improper maintenance process: during equipment maintenance, oil leakage may also be caused due to unclean cleaning of dirt on the joint surface, improper selection of sealant, reverse direction of sealing element, and untimely replacement of sealing element.

The above * * is the cause of oil leakage of winch hoist reducer. If you want to know more information, you can contact our online customer service.

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