The invention discloses a portal crane which comprises a crane cross beam and a hoisting beam, wherein three power hoisting points are arranged on the crane cross beam; the hoisting beam is connected with the three power hoisting points; a main hook is mounted at the lower part of the hoisting beam in a rotatable manner and is positioned in a triangular region consisting of the three power hoisting points in the horizontal direction. By adoption of the hoisting beam connected with the three power hoisting points, the hoisting beam can be safely used for joint hoisting, and the main hook can be mounted at the lower part of the hoisting beam in a rotatable manner, so that assembling is facilitated.


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    Title :

    Portal crane


    Contributors:
    ZHANG ZHONGPENG (author) / YU ZHENGQING (author) / WEI JUNFENG (author) / HE CHANGHAI (author) / LI LEI (author) / HAN HUAWEI (author) / ZHANG TANLONG (author)

    Publication date :

    2015-06-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



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