Lifting hook protection device of crane

Abstract

The invention provides a lifting hook protection device of a crane. The invention provides the lifting hook protection device of the crane, which can prolong the service life of a lifting hook and is safe and reliable. The lifting hook protection device of the crane comprises the lifting hook and a hook-sliding-proof buckle; the lifting hook is sleeved with the lifting hook protection device and the lifting hook protection device is movably connected with the lifting hook; the lifting hook protection device comprises an insulating layer, a fireproof layer and a wear-resisting layer; the lifting hook is sleeved with the insulating layer and the insulating layer is movably connected with the lifting hook; the insulating layer is sleeved with the fireproof layer and the fireproof layer is fixedly connected with the insulating layer; the fireproof layer is sleeved with the wear-resisting layer and the wear-resisting layer is fixedly connected with the fireproof layer; the lengths of the insulating layer, the fireproof layer and the wear-resisting layer are equal and are greater than a half of the length of the lifting hook. According to the lifting hook protection device of the crane, the lifting hook can be effectively and completely protected; the waste of materials is reduced and the cost of the lifting hook protection device is reduced.

Description

technical field [0001] The invention relates to a hook protection device of a crane. Background technique [0002] The hook is an important part of the hoisting machinery. It accepts complex conditions. In addition to bearing the weight of heavy objects, it also needs to bear the impact load generated during lifting and braking. The hook that has been used for a long time will inevitably produce cracks. Once the hook cracks during use, it will cause serious personal and equipment damage accidents. At present, the service life of crane hooks is generally very short, and when the wear of the vertical dangerous section exceeds the limit of the national standard, it has to be abandoned. Short service life will result in high maintenance costs. Contents of the invention [0003] Aiming at the above problems, the present invention proposes a safe and reliable crane hook protection device that prolongs the service life of the hook. [0004] The technical solution of the presen...

AI Technical Summary

Problems solved by technology

Once the hook cracks during use, it will cause serious personal and equipment damage.

At present, the service life of the crane hook is generally very short. When the vertical dangerous section wear exceeds the limit of the national standard, it has to be abandoned.

Short service life will result in high maintenance costs

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