The invention relates to the technical field of mechanical processing, and in particular relates to a vertical lifting device for a workpiece. The device comprises a main lifting rod and the workpiece; a pulling rod is arranged in the main lifting rod; a groove is formed in the main lifting rod; a transverse pin is fixed on the pulling rod; an upper positioning plate and a lower positioning plate are arranged on the main lifting rod; a circular plate is arranged at the tail end of the pulling rod; a supporting seat is arranged on the lower positioning plate; a lifting claw is arranged on the supporting seat; a bulge is arranged at the outer edge of the circular plate and clamped into the groove in the lifting claw. When in use, the device does not damage a circular pipe to be lifted, and moreover, the center of gravity of the device in lifting is in a vertical position, so that the pipe can be avoided lifting during being lifted; in addition, the device is simple in structure, simple and ingenious in design, meets the requirement on lifting any pipe, and is good in use effect.


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    Title :

    Vertical lifting device for workpiece


    Contributors:
    WANG HUAQING (author) / LIU XIUYAN (author) / MA YONGWEI (author) / SHI GUOYOU (author) / YANG JINFENG (author) / XU GUANGYAN (author)

    Publication date :

    2015-06-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



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