The invention provides an oversized bored pile reinforcement cage turning and lowering lifting appliance and a construction method, the lifting appliance is composed of a circular beam, a linear beam, a connecting system, a turning lifting point, a main lifting point, a lowering lifting point and a lifting tackle, and the circular beam, the linear beam and the connecting system are connected into a whole in the same plane. According to the lifting appliance, the advantages of a turning lifting appliance and a lowering lifting appliance are fully combined, reinforcement treatment on the structure at the lifting point of the reinforcement cage is avoided, meanwhile, high-altitude operation is converted into ground operation, the safety risk and operation difficulty of high-altitude construction are greatly reduced, construction becomes simpler and more convenient, the construction efficiency is improved, and the construction cost is reduced. Meanwhile, the construction cost is saved, and the device has the advantages of balancing the stress of a turnover lifting point, avoiding repeated conversion of a turnover lifting appliance and a lowering lifting appliance, being safe and reliable, simple, convenient and quick to construct, simple in structure and the like; the defects that in the overturning and lowering process of the oversized bored pile reinforcement cage, the stress of a lifting point is not uniform, the safety risk of overhead butt joint of lifting bars is high, and operation is difficult are effectively overcome.

    本发明提出一种超大钻孔桩钢筋笼翻身下放吊具及施工方法,吊具由圆形梁、一字梁、连接系、翻身吊点、主吊点、下放吊点、起重滑车组成,圆形梁、一字梁、连接系在同一平面内连为一体。本发明的吊具充分结合了翻身吊具和下放吊具的优点,避免了对钢筋笼吊点处的结构进行加固处理,同时将高空作业转化为了地面作业,极大地降低了高空施工的安全风险及作业难度,使施工变得更加简便,提高了施工效率,同时也节约了施工成本,具有均衡翻身吊点受力、避免翻身吊具和下放吊具重复转换、安全可靠、施工简便快捷、结构简单等优点,有效地解决了超大钻孔桩钢筋笼翻身下放过程中存在的吊点受力不均、吊筋空中对接安全风险高、操作困难等缺点。


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    Titel :

    Oversized bored pile reinforcement cage turning and lowering lifting appliance and construction method


    Weitere Titelangaben:

    一种超大钻孔桩钢筋笼翻身下放吊具及施工方法


    Beteiligte:
    PENG ZHINAN (Autor:in) / PENG PO (Autor:in) / LIU YI (Autor:in) / LI HONGRUI (Autor:in) / XU BOZONG (Autor:in) / LIU HUAQUAN (Autor:in) / YE SHAOQI (Autor:in) / YAO CHENGPENG (Autor:in) / JIAO XIAOJUN (Autor:in) / GUAN YONGDONG (Autor:in)

    Erscheinungsdatum :

    2023-06-27


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B66C Krane , CRANES



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