The invention relates to the technical field of hoisting equipment, and provides a lower jacking method of a tower crane, the method relates to the tower crane, a sleeve frame and a jacking frame, the tower crane comprises a tower body and a suspension arm, the jacking frame is arranged at the bottom of the tower body, and the jacking frame is connected with a base on the ground; the jacking frame is used for jacking the tower body; the sleeve frame is fixed on the outer wall of a building, the sleeve frame is arranged on the outer side of the tower body in a sliding and sleeving mode, due to the fact that the sleeve frame is additionally arranged, the external building can generate pulling force on the sleeve frame, the tower body is supported in the sleeve frame to ascend stably, and the torsion problem of the tower body in the jacking process can be well solved.

    本发明涉及起重设备技术领域,提供了一种塔机的下顶升方法,所述方法涉及塔机、套架、顶升架,所述塔机包括塔身和吊臂,所述塔身的底部为顶升架,所述顶升架和地面的基座连接;所述顶升架用于将塔身顶升;所述套架固定在建筑物的外墙,该套架滑动套设在塔身的外侧,由于加设了套架,外界的建筑能够对套架产生拉力,使塔身支撑在套架内平稳上升,可以很好的应对在顶升时塔身的扭力问题。


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    Titel :

    Downward jacking method of tower crane


    Weitere Titelangaben:

    一种塔机的下顶升方法


    Beteiligte:
    DING WANFU (Autor:in)

    Erscheinungsdatum :

    2023-01-13


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B66C Krane , CRANES



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