An automatic hooking and unhooking device for hoisting comprises a lock sleeve, a limiting plate, a lock head and a lever type hooking and unhooking hook, a hanging ring is connected to the lock sleeve, a vertical through hole is formed in the middle of the lock sleeve, inserting grooves horizontally penetrating through the lock sleeve are formed in the two sides of the through hole, the limiting plate is arranged over the lock sleeve, the lock head comprises a clamping part and a connecting part, and the lever type hooking and unhooking hook is arranged in the clamping part. The side wall of the clamping part is an inclined plane, the bottom of the clamping part is a horizontal plane, the lever type hooking and unhooking hook comprises a bolt, a lever and a reset spring, the bolt is slidably inserted into the inserting groove, one end of the bolt extends into the through hole, the other end of the bolt extends to the outer side of the lock sleeve, and the lower end of the bolt is hinged to the end, extending to the outer side of the lock sleeve, of the bolt; the upper end of the lever extends to the position between the limiting plate and the lock sleeve, and the reset spring is connected between the plug pin and the lock sleeve. The purpose that a certain weight is lifted to a specified height and then falls back to the position before lifting is achieved, external force intervention is not needed, automatic hooking and unhooking are achieved, and safe operation is achieved.

    一种起重自动挂脱钩装置,包括锁套、限位板、锁头和杠杆式挂脱钩,所述锁套上连接有吊环,所述锁套中间开设有竖向的通孔,所述通孔两侧开设有水平贯通锁套的插槽,所述限位板设置在锁套正上方,所述锁头包括卡接部以及连接部,所述卡接部侧壁为倾斜面且底部为水平面,所述杠杆式挂脱钩包括插销、杠杆和复位弹簧,所述插销滑动插接在插槽内,其一端延伸至通孔内,另一端延伸至锁套外侧,其下端与插销延伸至锁套外侧的一端铰接,所述杠杆上端延伸至限位板与锁套之间,所述复位弹簧连接在插销与锁套之间。本发明实现将某一个重物提升到指定高度后再使重物落回起吊前位置的目的,不需要外力干预,实现自动挂脱钩,实现安全作业。


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    Title :

    Automatic hooking and unhooking device for hoisting


    Additional title:

    一种起重自动挂脱钩装置


    Contributors:
    YANG ERCHENG (author) / LAN JING (author) / YU HAILI (author) / ZHAO HUAIFEI (author) / YANG HUAN (author) / GOU YUNLONG (author) / FAN WEIHONG (author) / HE ZHONGHAI (author) / CHEN YONG (author) / LIU WENZE (author)

    Publication date :

    2024-09-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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