The invention relates to an anti-disengagement mechanism and a crown block hook head using the anti-disengagement mechanism. The crown block hook head comprises a hook head body and the anti-disengagement mechanism. The hook head body comprises a hoisting part and a limiting hook. A material placement port is formed between the top end of the limiting hook and the hoisting part. The anti-disengagement mechanism is arranged at the material placement port in cooperation. A bolt hole is horizontally formed in the position, at the joint of the hoisting part and the limiting hook, of the material placement port. The anti-disengagement mechanism comprises a screw, nuts, a magnet, a short-side rod and a long-side rod. The screw is horizontally installed in the bolt hole. The two ends of the screwextend out of the bolt hole and are provided with the nuts correspondingly. The magnet is fixedly arranged on the outer side wall of the limiting hook. One end of the short-side rod fits the portion,at the material placement port of the hook head body, of the inner wall of the limiting hook, and the other ends of the short-side rod are fixed to the nuts. One end of the long-side rod is attachedby the magnet, and the other ends of the long-side rod are fixed to the nuts. The anti-disengagement mechanism is simple in structure, convenient to operate, reliable and durable in use and capable ofeffectively preventing a hanging belt from being disengaged from a hook.

    本发明涉及一种防脱卡机构及使用该防脱卡机构的天车钩头,该天车钩头,包括钩头本体和防脱卡机构;钩头本体包括起吊部及限位钩;限位钩的顶端与起吊部之间设有物料放置口;防脱卡机构匹配设置于物料放置口处;物料放置口在位于起吊部与限位钩的连接处水平开设有螺栓孔;防脱卡机构包括螺杆、螺母、磁铁块、短边杆和长边杆;螺杆水平安装于螺栓孔内,其两端均向螺栓孔外侧伸出且均安装有所述螺母;磁铁块固设于限位钩的外侧壁;短边杆的一端贴合在钩头本体的物料放置口处的限位钩内壁,另一端固定于螺母;长边杆的一端吸在磁铁块上,另一端固定于螺母。本发明结构简单,操作方便,使用可靠、耐用,能有效防止吊带脱钩。


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    Titel :

    Anti-disengagement mechanism and crown block hook head using anti-disengagement mechanism


    Weitere Titelangaben:

    一种防脱卡机构及使用该防脱卡机构的天车钩头


    Beteiligte:
    HE QIANG (Autor:in) / ZHANG SIWEI (Autor:in) / ZHANG SHAOHUA (Autor:in) / LIU JINXING (Autor:in) / WANG ZAIXING (Autor:in)

    Erscheinungsdatum :

    2020-05-15


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B66C Krane , CRANES



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