The invention relates to the field of crane equipment, and discloses a crane lifting hook anti-falling protection lock device which comprises a first limiting groove, a second limiting groove and a screw rod, the two ends of the first limiting groove are connected with one side of a fixing sleeve respectively, the two ends of the second limiting groove are connected with the other side of the fixing sleeve, a fixing ring is arranged on the upper portion of the lifting hook, and the screw rod is arranged on the fixing ring. The screw penetrates through the fixing sleeve and the fixing ring and then is connected with the nut, the bottom of the second limiting groove makes contact with the front portion of the lifting hook, and the bottom of the first limiting groove makes contact with the rear portion of the lifting hook. According to the invention, hands can be effectively prevented from being clamped when an operator installs the lifting appliance, and casualties and property loss caused by unhooking due to damage, failure and the like of a protection device are avoided.

    本发明涉及吊车设备领域,公开了一种吊车吊钩防脱保护锁装置,所述装置包括第一限位槽、第二限位槽、螺杆,所述第一限位槽的两端分别与固定套筒的一侧连接,所述第二限位槽的两端与定位套筒的另一侧连接,所述吊钩上部设置固定环,所述螺杆穿过固定套筒与固定环后与螺母连接,所述第二限位槽的底部与吊钩的前部相接触,所述第一限位槽的底部与吊钩的后部相接触。本发明能有效避免操作人员安装吊具时夹手,避免因保护装置损坏、失效等原因脱钩造成的人员伤亡和财产损失。


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    Titel :

    Anti-falling protection lock device of crane lifting hook


    Weitere Titelangaben:

    一种吊车吊钩防脱保护锁装置


    Beteiligte:
    CHEN RIZHONG (Autor:in) / ZHANG MING (Autor:in) / LIU MING (Autor:in) / YU CHAO (Autor:in) / YI WEI (Autor:in)

    Erscheinungsdatum :

    2023-10-10


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B66C Krane , CRANES



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