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Safety Inspection Of Rotating Hooks
Aug 30, 2018

1, the human-driven lifting mechanism with the hook, to 1.5 times times the rated load as the test load test.

2, the power-driven lifting mechanism with the hook, to twice times the rated load as the test load test.

3, the hook unloading inspection load, there should be no obvious defects and deformation, the increase in the opening degree should not exceed the original size of 0.25%.

4, inspection of qualified hooks, should be in the low stress area of the hook printing marks, including the rated starting weight, factory or factory name, inspection marks, production numbers and so on.


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