The invention discloses a safe and reliable hook for an electric hoist. The safe and reliable hook comprises a shell, clamping claws arranged in the shell and a first connecting plate arranged at thetop of the shell, first movable grooves are formed in the side walls of the two sides of the shell correspondingly, the clamping claws are rotatably connected into the first movable grooves, a plurality of clamping teeth are arranged at the bottom of each clamping claw, second movable grooves are formed in the clamping claws, third movable grooves communicating with the first movable grooves are formed in the side wall of the shell, first push blocks are arranged in the third movable grooves, first push rods are arranged on the first push blocks, the first push rods are arranged in the secondmovable grooves in a penetrating mode, sliding blocks are arranged on the side walls of the first push blocks, sliding grooves matched with the sliding blocks are formed in the inner walls of the third movable grooves, and reset springs are arranged on the sliding blocks. When the two clamping claws get close to each other, the clamping teeth on the two clamping claws are meshed with each other, the matching effect of the two clamping claws is improved, and the safety accident that a heavy object falls off is prevented.

    本发明公开了一种安全可靠的电动葫芦用的挂钩,包括壳体、设于所述壳体内的夹爪及设于所述壳体顶部的第一连接板,所述壳体两侧侧壁分别上设有第一活动槽,所述夹爪可转动连接于所述第一活动槽内,所述夹爪底部设有多个卡齿,所述夹爪上设有第二活动槽,所述壳体侧壁上设有与所述第一活动槽相通的第三活动槽,所述第三活动槽内设有第一推块,所述第一推块上设有第一推杆,所述第一推杆穿设于所述第二活动槽内,所述第一推块侧壁上设有滑块,所述第三活动槽内壁上设有与所述滑块相配合的滑槽,所述滑块上设有复位弹簧;当两个夹爪相互靠近后,两个夹爪上的卡齿相互啮合,提升两个夹爪的配合效果,防止发生重物掉落的安全事故。


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    Title :

    Safe and reliable hook for electric hoist


    Additional title:

    一种安全可靠的电动葫芦用的挂钩


    Contributors:
    WANG HONGHUA (author) / QI HUAN (author) / WU QI (author)

    Publication date :

    2021-01-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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