The invention relates to the technical field of pipeline installation, in particular to a construction method for hoisting and butt-joint positioning of a large-pipe-diameter pipeline. A longitudinal connecting rod is prepared, a lifting rod and a supporting rod are welded to the upper end and the lower end of the connecting rod in parallel, lifting lugs are welded to the top of the lifting rod at intervals, a mounting table is welded to the top of the lifting rod and located between the lifting lugs, a bubble level is fixed to the mounting table, the length of the supporting rod is adjustable, and supporting oil cylinders are perpendicularly fixed to the upper side and the lower side of a rod body respectively. The supporting oil cylinder extends out to abut against the inner wall of concrete, the damage to the edge of a pipe opening of the concrete pipe and the damage to later pipeline water leakage are avoided, the supporting oil cylinder is controlled to be positioned more accurately, and the situation that when later positioning is inaccurate, elevation adjustment is needed section by section, secondary repair is needed, and a large amount of construction cost is wasted is prevented.

    本发明涉及管道安装技术领域,具体是一种大管径管道吊装以及对接定位的施工方法。预备一根纵向的连接杆,连接杆的上下两端平行焊接吊杆和支杆,吊杆的顶部间隔焊接有吊耳,吊杆的顶部且位于吊耳之间焊接设置有安装台,安装台上固定有气泡水平仪,支杆长度可调节且杆体的上下两侧分别垂直固定有支撑油缸。通过支撑油缸伸出抵在混凝土内壁上,避免破坏混凝土管管口边缘,造成后期管道漏水危害,控制支撑油缸定位更加准确,防止后期出现定位不准确时,需要高程逐节调整,需要二次返修,浪费大量施工成本。


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    Title :

    Construction method for hoisting and butt-joint positioning of large-diameter pipeline


    Additional title:

    大管径管道吊装以及对接定位的施工方法


    Contributors:
    LI YANG (author) / LI ZHIQIANG (author) / LI JIACHENG (author) / SI JIANLEI (author)

    Publication date :

    2024-06-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES / F16L PIPES , Rohre



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