The invention discloses an anti-falling device for a crane lifting hook, and belongs to the technical field of lifting hook equipment. The anti-falling device comprises a safety buckle, a connecting bolt, a connecting rod, an unhooking buckle and a movable spring retaining ring, a connecting bolt is arranged in an original hook anti-falling hole of a hook, a safety buckle is arranged on the connecting bolt in a rotating connection mode, a connecting rod is fixedly connected to one end of the safety buckle, an unhooking buckle is fixedly connected to the lower portion of the connecting rod, and the safety buckle is a high-strength solid shaft buckle. A movable spring retaining ring is fixedly arranged on the connecting rod, and a spring is connected between the movable spring retaining ring and the fixed spring retaining ring; according to the device, the connecting bolt and a novel anti-falling structure are combined for use, so that the strength of the whole structure can be improved on the premise of basic hook anti-falling, the defect that a thin anti-falling clamp is easy to damage is overcome, and meanwhile, the service life of the device is prolonged. And through detachable and movable connection of the connecting bolts, the device is convenient to mount and dismount.

    本发明公开了一种行车吊钩防脱装置,吊钩设备技术领域,包括保险扣、连接螺栓、连接杆、脱钩扣、活动弹簧扣环;在挂钩原本的挂钩防脱孔内设置连接螺栓,连接螺栓上转接设置保险扣,保险扣的一端固定连接设置连接杆,连接杆的下方固定连接设置脱钩扣,所述保险扣设置为高强度实心轴扣;在连接杆的固定设置活动弹簧扣环,活动弹簧扣环与固定弹簧扣环之间连接设置弹簧;本装置通过采用连接螺栓和一个新型的防脱结构联合使用,使得本装置能够在具备基本挂钩防脱的前提下,还提高了整个结构的强度,避免采用较薄的防脱卡而容易损坏的缺陷,同时,通过连接螺栓的可拆卸活动连接而使得本装方便安装和拆卸。


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    Titel :

    Anti-falling device for lifting hook of travelling crane


    Weitere Titelangaben:

    一种行车吊钩防脱装置


    Beteiligte:
    HUANG YAOZHAN (Autor:in) / QIN HEHENG (Autor:in) / YANG FUJIN (Autor:in) / WEI YAORONG (Autor:in) / YANG WANLONG (Autor:in) / LIANG YONGDONG (Autor:in) / WANG MING (Autor:in) / WEI DIANPING (Autor:in) / TAN JIANWEI (Autor:in) / ZOU QUANYUE (Autor:in)

    Erscheinungsdatum :

    2024-03-01


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B66C Krane , CRANES



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