The invention relates to a cantilever gantry. The gantry includes a gantry foundation composed of steel pipe columns and arranged on a fixing face, two bearing beams arranged at the tops of the steelpipe columns, two gantry tracks in parallel arranged on the bearing beams respectively, two support structures with one ends connected with the fixing face and the other ends connected with the tops of the steel pipe columns located on the outer side of a framework of the gantry and hoisting equipment arranged on the gantry tracks and slipping on the gantry tracks, and one ends of the bearing beams extend out of vertical projection faces of the steel pipe columns to form a cantilever. The cantilever gantry is built by adopting a steel pipe column structure, the structure is simple, the operation is convenient, the construction difficulty is lowered, meanwhile an inclined strut can support the cantilever gantry, so that the cantilever gantry has certain support force in the process of the lifting of beam rod parts and the moving of the beam rod parts on a bridge face, the gantry is not prone to overturning, the construction of the cantilever gantry can be carried out without reserving comparatively large space on the bridge face, and the construction efficiency can be improved.

    本发明涉及悬臂门架,包括:设置于固定面上的由钢管柱构成的门架基础,设置于钢管柱顶部的两承重梁以及分别设置于两承重梁上的两平行的门架轨道,一端与固定面连接、另一端与钢管柱顶部连接且位于门架框架外侧的两支撑结构,以及设置于两门架轨道且在门架轨道上滑移的起重设备,承重梁一端伸出钢管柱垂直投影面形成悬臂。悬臂门架采用钢管柱结构便实现了搭建,结构简单,便于操作,降低了施工难度,同时斜撑能够对悬臂门架进行支撑,以便悬臂门架在梁杆件的提升和梁杆件在桥面的移动过程中,具有一定支撑力,不易发生倾覆,桥面无需预留较大空间进行悬臂门架的施工,提高了施工效率。


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    Titel :

    Cantilever gantry


    Weitere Titelangaben:

    悬臂门架


    Beteiligte:
    YU YUNLIANG (Autor:in) / QIU PENG (Autor:in) / ZHU ANBAO (Autor:in) / WEI JINJING (Autor:in)

    Erscheinungsdatum :

    2020-11-20


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B66C Krane , CRANES



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