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The Safety inspection of crane hook
Sep 23, 2017

1, man-driven hoisting mechanism with the crane hook to 1.5 times the rated load as a test load to test.

2, the power-driven hoisting mechanism with the crane hook, with 2 times the rated load as a test load to test.

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

4, check the qualified crane hook, crane hook should be printed in low stress area, including the rated weight, factory logo or factory name, inspection signs, production numbers and so on.


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