The invention discloses an anti-unhooking lifting hook, which comprises: a lifting hook body, which comprises a hook member and a connecting member, the hook member is provided with a root portion and a tail portion, and the tail portion is connected to the connecting member; the locking piece comprises a locking arm and a driving arm, the locking arm is obliquely arranged in a hook opening of the hook piece, and the upper end of the locking arm is installed on the connecting piece in a turnover mode through a hinge shaft; one end of the driving arm is connected to the upper end of the blocking arm at an angle, so that the gravity of the driving arm is utilized to drive the blocking arm to turn upwards, and the lower end of the blocking arm abuts against the inner side of the tail part; and the retaining part is detachably mounted on the driving arm, and the retaining part abuts against the inner side of the root part so as to prevent the locking arm from reversely overturning. The problem that a locking plate of an existing lifting hook is easily touched by mistake and the lifting hook is opened in the lifting process is solved.

    本发明公开了一种防脱钩吊钩,包括:吊钩本体,包括弯钩件和连接件,所述弯钩件具有一根部和一尾部,所述尾部连接于所述连接件;锁止件,包括封锁臂和驱动臂,所述封锁臂倾斜设置于所述弯钩件的勾口内,所述封锁臂的上端通过铰接轴可翻转地安装于所述连接件,所述驱动臂的一端呈角度连接于所述封锁臂的上端以利用所述驱动臂的重力驱动所述封锁臂向上翻转以令所述封锁臂的下端抵靠于所述尾部的内侧;止退件,可拆卸地安装于所述驱动臂上,所述止退件抵靠于所述根部的内侧以防止所述封锁臂反向翻转。本发明解决了现有的吊钩的锁止板在吊装过程中易被误触而打开吊钩的问题。


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    Title :

    Anti-unhooking lifting hook


    Additional title:

    防脱钩吊钩


    Contributors:
    NING SHIDONG (author) / ZHAN FAHUI (author) / ZHANG XU (author) / ZHAO SHU (author) / LI GUANGWEI (author)

    Publication date :

    2025-06-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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