The invention discloses a lifting appliance lock catch and a using method thereof, the lifting appliance lock catch comprises a fixing assembly, the fixing assembly comprises a fixing shell and a traction hook, the fixing shell is hollow, and a through groove is formed in the bottom surface of the fixing shell; the towing hook is fixed to the bottom of the fixing shell. The limiting assembly is arranged in the fixing shell and comprises a transmission device, an anti-disengaging rod and an auxiliary hook. The anti-disengaging rod is slidably connected into the fixing shell, and the bottom of the anti-disengaging rod penetrates through a through groove in the bottom face of the fixing shell. The transmission device is fixedly connected with the anti-disengaging rod and the auxiliary hook. The auxiliary hook is arranged at the bottom of the fixed shell, can move downwards when being stressed, and drives the transmission device to move downwards; the anti-disengaging rod can be driven by the transmission device to stretch out of the through groove, and the auxiliary hook is limited. According to the lifting appliance, the limiting assembly is arranged on the lifting appliance lock catch, the top of the traction hook is limited, the traction rope is effectively prevented from loosening, the protection effect is improved, the position of the anti-loosening rod can be fixed through the arrangement of the clamping piece, and the safety during use is improved.

    本发明公开了一种吊具锁扣及其使用方法,包括:一固定组件,固定组件包括固定壳和牵引钩,其中,固定壳中空,底面开设有通槽;牵引钩固定于固定壳底部。一限位组件,限位组件设置于固定壳内部,包括传动装置、防脱杆和辅助钩;其中,防脱杆滑动连接在固定壳内部,防脱杆底部贯穿固定壳底面通槽;传动装置分别与防脱杆和辅助钩固定连接;辅助钩设置在固定壳底部,受力时可向下位移,并带动传动装置向下位移;防脱杆可在传动装置带动下从通槽中伸出,对辅助钩进行限位。本发明通过在吊具锁扣上设置限位组件,对牵引钩的顶部进行限位,有效避免牵引绳松脱,提高保护效果,通过卡接件的设置,能够对防脱杆的位置进行固定,提高使用时的安全性。


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    Title :

    Lifting appliance lock catch and using method thereof


    Additional title:

    一种吊具锁扣及其使用方法


    Contributors:
    ZHANG WEI (author) / WU KANGLIN (author) / CAO ZHIXIAN (author) / YANG YIBIN (author) / ZHANG SHIBIN (author)

    Publication date :

    2024-06-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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