The invention provides a hoisting equipment overload safety protection device which comprises a fixed shaft fixedly connected with a cargo boom, the fixed shaft is rotationally provided with a rotating disc, a plurality of sliding grooves extending in the radial direction are distributed in the rotating disc, translation shafts are arranged in the sliding grooves in a sliding mode, the sliding grooves are provided with elastic pieces, and the translation shafts are provided with linear buckling mechanisms. The sliding shaft is coaxially provided with a hinged shaft, the hinged shaft is provided with an arc buckling mechanism, the linear buckling mechanism comprises a first plate sleeve, a first insertion plate, a second insertion plate and a second plate sleeve which are located on the same side, and the arc buckling mechanism comprises a first half buckle and a second half buckle which are hinged to each other. The first half buckle comprises a first hinge hole matched with a hinge shaft hole, the second half buckle comprises a second hinge hole matched with the hinge shaft hole, the first half buckle is provided with a first arc sleeve and a first arc plate which are arranged at intervals inside and outside, and the second half buckle is provided with a second arc sleeve and a second arc plate which are arranged at intervals inside and outside. The technical problem that after a lifted object is blocked, the lifting arm is impacted is solved.

    本发明提出了一种起重设备超载安全保护装置,包括与起重臂固定连接的固定轴,固定轴转动设有转动盘,转动盘分布有若干个沿径向延伸的滑槽,滑槽内滑动设有平移轴,滑槽设有弹性件,平移轴设有直线扣合机构,滑动轴同轴线设有铰接轴,铰接轴设有弧线扣合机构,直线扣合机构包括位于同一侧的第一板套、第一插入板、第二插入板、第二板套,所述弧线扣合机构包括相互铰接的第一半扣、第二半扣,所述第一半扣包括与铰接轴轴孔配合的第一铰接孔、第二半扣包括与铰接轴轴孔配合的第二铰接孔,所述第一半扣设有内外间隔设置的第一弧套、第一弧板,所述第二半扣设有内外间隔设置的第二弧套、第二弧板,用以解决被起吊物受阻后对起重臂冲击的技术问题。


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    Titel :

    Overload safety protection device for hoisting equipment


    Weitere Titelangaben:

    一种起重设备超载安全保护装置


    Beteiligte:
    JIANG YUANJIN (Autor:in)

    Erscheinungsdatum :

    2022-11-08


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B66C Krane , CRANES



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