The invention discloses a lifting appliance for lifting a large bowl-shaped workpiece. The lifting appliance comprises a lifting ring, movable arms, a reset spring, lifting claws and lifting hooks, wherein the lifting ring, the movable arm, the lifting claws and the lifting hooks are sequentially arranged from top to bottom, the lifting hooks comprise a first lifting hook and a second lifting hook, the first lifting hook is arranged at the bottom of a first lifting claw, the second lifting hook is arranged at the bottom of a second lifting claw, and the reset spring is detachably arranged between the hinged point of a first movable arm and the first lifting claw and the hinged point of a second movable arm and the second lifting claw. Different from the prior art, the lifting applicance isconvenient in hoisting operation, time-saving and labor-saving, after hoisting, the first lifting hook and the second lifting hook are driven by the movable arms to retract inwards at the same time to grasp the workpiece, the reset spring is detachably connected, the reset spring can be rapidly replaced according to a size of the workpiece, an opening distance between the first lifting hook and the second lifting hook is controlled, and use is convenient.

    本发明涉及一种吊装大型碗状工件的吊具,包括吊环、活动臂、复位弹簧、吊爪以及吊钩:所述吊环、所述活动臂、所述吊爪以及所述吊钩由上至下依次设置,所述吊钩包括第一吊钩以及第二吊钩,所述第一吊钩设置在所述第一吊爪的底部,所述第二吊钩设置在所述第二吊爪的底部,所述复位弹簧可拆卸设置在所述第一活动臂和所述第一吊爪的铰接点与所述第二活动臂和所述第二吊爪的铰接点之间。区别现有技术,本发明吊装操作便捷,省时省力;起吊后在活动臂的带动下第一吊钩与第二吊钩同时内缩抓紧工件,复位弹簧可拆卸连接,可根据工件大小快速更换复位弹簧,控制第一吊钩与第二吊钩张开的间距,方便使用。


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    Title :

    Lifting appliance for lifting large bowl-shaped workpiece


    Additional title:

    一种吊装大型碗状工件的吊具


    Contributors:
    LI CANHUI (author)

    Publication date :

    2021-03-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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