The invention discloses a lifting appliance, and relates to the lifting appliance technical field. The lifting appliance is used for lifting a workpiece provided with a central hole and includes a lifting rod, a connection piece and a lifting claw group; one end of the lifting rod is provided with a lifting ring, and the other end of the lifting rod is provided with a supporting foot; the connecting piece is provided with a first through hole for the lifting rod to pass through, is arranged between the lifting ring and the supporting foot and freely slides along the lifting rod; the lifting claw group comprises at least three lifting claws, one end of each lifting claw is hinged with the connection piece, and the other end of each lifting claw is provided with a hook claw, and the lifting claw group is contacted or separated with the supporting foot through sliding the connection piece; when the lifting appliance is mounted, the lifting claw group freely flaps down and is separated from the supporting foot, and the hook claws of the lifting claw group all freely pass through the central hole; during lifting, the lifting claw group is supported by the supporting foot, and the hook claws of the lifting claw group all hook the workpiece. The problem of time and energy wasting when the workpiece with the central hole is lifted in the prior art is solved.


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    Title :

    Lifting appliance


    Contributors:
    YE CHENG (author) / GAO XIANG (author) / ZHANG CHUANYONG (author)

    Publication date :

    2015-10-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



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