A hand winch is a winch with a vertically installed cable drum. It can be driven by power but does not store ropes.
This year, many areas of our country have been rainy, and now we need to do a good job of preventing rust for the manual lever block.
As we all know, during the use of slings, the hooks and chains will wear out as the number of times of use increases.
Shackle is an indispensable rigging accessory in lifting construction operations. Shackle can be used to connect lifting pulleys and fixed slings.
The new hook should be subjected to a load test, and the opening of the measuring hook should not exceed 0.25% of the original opening.
The hook used in the lifting mechanism driven by manpower is tested with 1.5 times the rated load as the inspection load.
