The invention discloses a hoisting tool with a self-locking structure. The hoisting tool with the self-locking structure comprises a connecting rod and a connecting cylinder. The connecting rod is in sliding connection with the connecting cylinder. A connecting ring is arranged at the upper end of the connecting rod. The hoisting tool with the self-locking structure further comprises three connecting arms and three locking arms. Three connecting lugs are arranged on the connecting rod. Three supporting arms are arranged on the connecting cylinder. One end of each connecting arm is rotatably connected with the corresponding connecting lug, and the other end of each connecting arm is rotatably connected with one end of the corresponding locking arm. Each locking arm is in an L shape. The middle of each locking arm is rotatably connected with the middle of the corresponding supporting arm. The hoisting tool with the self-locking structure has the advantages that the hoisting tool is provided with the self-locking structure, and thus the hoisting tool can be fixedly connected with the inner surface of a rolled galvanized plate conveniently and rapidly; clamping operation and fixing operation are easy, connection is reliable, and using is safe.


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    Title :

    Hoisting tool with self-locking structure


    Contributors:
    LIU YINIAN (author) / CHEN LANFENG (author)

    Publication date :

    2016-02-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



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