Crane anti-falling protection lifting hook

Abstract

The invention discloses a crane anti-falling protection lifting hook. The crane anti-falling protection lifting hook comprises a fixing frame, wherein first pulleys are fixedly connected to the outersurface of a first hinge pin, anti-derailing mechanisms are fixedly connected to the outer walls of the first pulleys, a fixing seat is fixedly connected to the inner bottom wall of the fixing frame,a rotating ball is movably connected to the interior of the fixing seat, the lower end of the rotating ball is fixedly connected with a hook, the outer side of the hook is fixedly connected with a limiting mechanism, and the upper end of the outer surface of the fixing frame is fixedly connected with an auxiliary hoisting mechanism. According to the crane anti-falling protection lifting hook, through the arrangement of the anti-derailing mechanisms, the purpose of preventing a steel wire rope from being disengaged from the first pulleys is achieved, and the safety is improved; through the arrangement of the fixing seat and the rotating ball, the purpose of preventing the hook from inclining and derailing due to inclination of the gravity center of a heavy object is achieved; through the arrangement of the limiting mechanism, the purpose of preventing the heavy object from being unhooked during hoisting is achieved; and through the arrangement of the auxiliary hoisting mechanism, the purpose of improving the bearing capacity of the hook is achieved.

Description

technical field [0001] The invention relates to the technical field of cranes, in particular to a crane anti-drop protection hook. Background technique [0002] The lifting hook is a part of a crane. Commonly used for lifting heavy objects. The hooks of cranes are divided into single hooks and double hooks according to the shape, and are divided into forged hooks and laminated hooks according to the manufacturing method. The single hook is easy to manufacture and easy to use, but the force is not good, and it is mostly used in workplaces with a lifting capacity of less than 80 tons; when the lifting capacity is large, a double hook with symmetrical force is often used. The laminated hook is riveted by several cut and formed steel plates. When individual plates crack, the whole hook will not be damaged, and the safety is better, but the weight is relatively large. Most of them are used for lifting large lifting capacity or lifting molten steel drums. on the crane. The hoo...

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a crane anti-drop protection hook, which has the advantages of preventing wire rope derailment, hook tilting and heavy object decoupling, and solves the problems of uneven force derailment of steel wire rope and heavy object decoupling

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