The invention discloses a collision-free device for crane lifting hook withdrawing and relates to crane fittings. The collision-free device is characterized in that a lifting hook protection device is mounted at the front end of a crane jib of a crane through bolts; the lifting hook protection device covers a pulley block and a lifting hook which are located at the front end of the crane jib. The lifting hook protection device is of a rectangular cover barrel structure with an open bottom, and a mounting opening is formed in one side, close to the crane jib, of the bottom of the lifting hook protection device. The edge of the bottom of the lifting hook protection device is ground into a round edge. The collision-free device disclosed by the invention has the characteristics of novel structure, simplicity and convenience in manufacturing, low cost, convenience in mounting, convenience in use, safety and reliability and the like, thereby being a novel collision-free device for crane lifting hook withdrawing having both economical efficiency and practicability.


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    Title :

    Collision-free device for crane lifting hook withdrawing


    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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