The invention provides a lifting hook having a self-locking function, relating to hoisting equipment parts. The lifting hook comprises a lifting hook shell, a pulley block and a lifting hook, wherein the pulley block and the lifting hook are hooked inside the lifting hook shell; the lifting hook is characterized by comprising a lifting hook A and a lifting hook B which are symmetrically arranged under the pulley block inside the lifting hook shell by a shaft, spring struts are arranged at the opposite positions of the lifting hook shell and the upper part of the lifting hook A and the lifting hook shell and the upper part of the lifting hook B, springs are arranged on the spring struts; a clamping hole is processed at the outer side of the lifting hook A, close to the bottom; a clamping hook is arranged at the bottom of the lifting hook B, the contact positions between the spring and the lifting hook A and between the spring and the lifting hook B are higher than the position of the shaft, and the clamping hook is arranged on a screw rod which is arranged on the lifting hook B by an adjusting bolt. The lifting hook has the characteristics of novel structure, convenience in processing, convenience in use and safety and reliability, is novel and has economical efficiency and practicability.


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    Title :

    Lifting hook having self-locking function


    Contributors:
    ZHU FEICHAO (author) / QI GUOQING (author)

    Publication date :

    2015-06-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



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