The invention discloses a crane anti-rotation lifting hook which comprises a lifting hook body and a lifting hook connecting assembly arranged at the top of the lifting hook body, the bottom of the lifting hook body is detachably connected with the anti-rotation assembly, the anti-rotation assembly comprises a screw rod, a rotating piece and a positioning disc, the rotating piece is pivoted in the positioning disc, and a guide convex part is arranged on the side wall of a center hole of the rotating piece; a guide groove is formed in the side wall of the screw rod, the top end of the screw rod is in threaded connection with the lifting hook body, a nut is in threaded connection with the screw rod and located below the positioning disc, four supporting rods are arranged on the outer side wall of the positioning disc, and the supporting rods are provided with annular pieces. During lifting, the four ropes are tensioned by the lifting hook body, a worker connects the anti-rotation assembly with the lifting hook body, the nut drives the positioning disc to ascend, and the annular pieces on the four supporting rods are tightly supported by the four ropes. In this way, in the cargo lifting and translation process, the four ropes and the cargo are not prone to rotating, and the cargo moving stability is improved.

    本发明公开了起重机防旋转吊钩,包括吊钩本体、设置在吊钩本体顶部的吊钩连接组件,吊钩本体的底部与防旋转组件可拆卸连接,防旋转组件包括螺杆、旋转件与定位盘,旋转件枢接在定位盘中,旋转件的中心孔的侧壁上设有导向凸部,螺杆的侧壁上开设导向凹槽,螺杆的顶端与吊钩本体螺接,螺杆上螺接有螺母,螺母位于定位盘的下方,定位盘的外侧壁上设有四根撑杆,撑杆设有环形件。在吊起时,四根绳索被吊钩本体拉紧,工人将防旋转组件与吊钩本体连接,螺母驱动定位盘上升,四根撑杆上的环形件与四根绳索撑紧。如此,在上吊及平移货物过程中,四根绳索及货物不易发生转动,提高货物移动的稳定性。


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    Title :

    Anti-rotation lifting hook of crane


    Additional title:

    起重机防旋转吊钩


    Contributors:
    LU ZHENFA (author)

    Publication date :

    2024-12-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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