The hook is the most used lifting device for cranes. It bears all the loads of lifting. During use, once the hook is damaged and broken, it may cause major accidents.
The cause of the damage and fracture of the hook is that the hook is cracked, deformed, and damaged due to friction and overload.
In order to prevent the hook from malfunctioning, overload lifting is strictly prohibited during use. During the inspection, attention should be paid to the opening of the hook and the wear of the dangerous section. At the same time, the hook should be annealed regularly. If cracks are found, they should be scrapped in accordance with the requirements, and the hook must not be repaired by welding.