1. Hooks are usually equipped with safety latches to prevent the disengagement of lifting wire rope sling or chain ; 2. Hooks can be classified into single hook and double hooks according to the appearance; 3. Hooks are connected to the cranes and the weight of links, play a vital role, and must...
The hook is the part used by the crane when working. It is the link between the crane and the lifting articles. When the equipment starts to work, the hook drops from the height and connects the lifting articles to reach the function of transporting articles.
Lifting equipment is also known as lifting equipment, from which we can see the importance of the hook for lifting equipment.
In the work of lifting equipment, the components of the crane should be inspected regularly. If there is any problem that needs to be replaced in time, how should the quality of the newly purchased hooks be checked?
This requires the lifting hook to be removed from the inspection load without any obvious defects and deformation, and the increase of the opening should not exceed 0.25% of the original size.
The qualified lifting hook shall be marked in the low stress area of the lifting hook, including the rated lifting weight, factory mark or name, inspection mark and production number, etc.