Safety inspection standard for the hook of the hot

2022-10-03
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The safety inspection standard of crane hook

1. The hook for human driven lifting mechanism shall be tested with 1.5 times the rated load as the inspection load

2. The hook for power driven lifting mechanism shall be tested with twice the rated load as the inspection load

3. After removing the inspection load, the hook should not have any obvious defects and deformation, and the increase of opening should not exceed 0.25% of the original size It also points out the direction for the development of plastic granulator technology in China

4. The hook that passes the inspection should be printed with a mark in the low stress area of the hook, including the amount that has little to do with raw materials, fixed lifting weight, factory logo or factory name, inspection mark, production number, etc. we will always adhere to our main content

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