What should we pay attention to when using the hook?


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Release time:2024-03-28

The "Safety Regulations for Hoisting Machinery" stipulates that the hook must have technical certification documents such as the manufacturer's certificate before it can be put into use. Otherwise, it should be inspected and found to be qualified before use.

1. The "Safety Regulations for Hoisting Machinery" stipulates that the hook must have technical certification documents such as the manufacturer's certificate before it can be put into use. Otherwise, it should be inspected and found to be qualified before use.
2. Hoisting machinery shall not use cast hooks; the hooks should be equipped with safety devices to prevent accidental decoupling of the hoisted objects; the surface of the hooks should be smooth and free of peeling, sharp angles, burrs, cracks, etc.; the hook materials should be of high quality and low carbon Killed steel or low carbon gold-containing steel;
3. Forged hooks generally use 20 steel specified in GB699-88 "Technical Conditions for High-Quality Carbon Structural Steel";
4. Plate hooks generally use Q235 steel specified in GB700-88 "Technical Conditions for Ordinary Carbon Structural Steel", or 16Mn steel specified in GB/T1591-94 "Low Alloy High-Strength Structural Steel".
5. Defects on the hanging structure must not be repaired by welding.


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