The invention provides a special crane for roads and bridges. The special crane comprises a portal four-column structure comprising a main beam and supporting legs on the lower portion of the main beam, wherein hoisting mechanisms are arranged above the main beam, the hoisting mechanisms are connected with the upper ends of hoisting steel cables, and the lower sections of the hoisting steel cables are connected with a hoisting platform; an overload limiter is arranged on the hoisting platform; overspeed limiters are arranged on the hoisting steel cables; and the overload limiter and the overspeed limiters are electrically connected with the hoisting mechanisms. The crane is specially used for vertically hoisting common, medium-sized and heavy vehicles, cement filling vehicles and construction engineering vehicles to an operation platform, and thoroughly solves the difficulty that auxiliary roads need to be built when the vehicles, the cement filling vehicles and the engineering vehicles run on roads in engineering construction.

    本发明提出了一种路桥专用起重机,包括主梁和在主梁下方的支腿构成门型四柱结构;主梁上方设有起升机构,所述起升机构和提升钢索上端链接,所述提升钢索下段和提升平台连接;所述提升平台上设有超载限制器;所述提升钢索上设有超速限制器;所述超载限制器和超速限制器和起升机构电连接;本产品专门解决垂直吊运普通、中型、重型汽车、水泥灌车及施工工程车辆提升至作业平台,彻底解决工程建设中汽车、水泥灌车、工程车辆上路需建设辅路的困难。


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    Title :

    Special crane for roads and bridges


    Additional title:

    一种路桥专用起重机


    Contributors:
    LUO ZHENQIANG (author) / OUYANG ZHOU (author) / ZHOU HUA (author) / YANG ZHOU (author) / YAN BING (author) / YANG GUOLIANG (author) / LI YONG (author) / LU GUAN (author) / YUAN YONGQING (author) / CHEN YUEHUI (author)

    Publication date :

    2021-04-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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