The invention discloses an anti-disengaging hook device of a lifting hook. The anti-disengaging hook device of the lifting hook comprises the lifting hook. A first limiting hole is formed in the middle of the lifting hook, an anti-disengaging buckle is movably connected to the inner wall of the first limiting hole through a long rivet, and a pair of second limiting holes and a pair of third limiting holes are formed in the upper portion of the right side of the lifting hook. A buckle bottom plate is installed on the inner walls of the second limiting holes and the third limiting holes throughfirst screws and second screws in a threaded manner, a pair of lug plates are fixedly connected to the right side of the buckle bottom plate, fourth limiting holes are formed in the middles of the lugplates, and buckle upper covers are movably installed on the inner walls of the fourth limiting holes through rivets. Limiting rings are connected to the front faces and the back faces of the upper portions of the buckle upper covers in a clamping manner. According to the device, opening and closing of an anti-disengaging hook are completed through cooperation of anti-disengaging buckles, long rivets, first grooves, the buckle upper covers and the limiting rings, the structure is simple, and use is convenient and fast.

    本发明公开了一种起重吊钩防脱钩装置,包括吊钩,吊钩的中部开有第一限位孔,第一限位孔的内壁通过长铆钉活动连接有防脱扣,吊钩的右侧上方开有一对第二限位孔和一对第三限位孔,第二限位孔和第三限位孔的内壁通过第一螺丝和第二螺丝螺纹安装有卡扣底板,卡扣底板的右侧固定连接有一对耳板,耳板的中部开有第四限位孔,第四限位孔的内壁通过铆钉活动安装有卡扣上盖,卡扣上盖的上方正面和背面卡接有限位圈,本装置通过防脱扣、长铆钉、第一凹槽、卡扣上盖和限位圈的配合来完成防脱钩的开合,结构简单使用便捷。


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    Title :

    Anti-disengaging hook device of lifting hook


    Additional title:

    一种起重吊钩防脱钩装置


    Contributors:
    GE JIAN (author) / LI DAIJUN (author) / QIU HAITANG (author) / HAN MANGSHEN (author)

    Publication date :

    2021-02-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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