Disclosed is a novel lower-trolley system, comprising a lower trolley (3), a lower-trolley hoisting system, and a lower-trolley travelling system. The lower trolley (3), the lower-trolley hoisting system and the lower-trolley travelling system are all arranged on a quay crane; the lower-trolley hoisting system drives a hoist (14) of the lower trolley (3) to rise and fall, and the lower-trolley travelling system pulls the lower trolley (3) to make same travel in the direction of a double-trapezoid four-track girder (1) of the quay crane; and the lower trolley (3) is hung upside down on outer-side tracks (15) of the double-trapezoid four-track girder (1), and a container (12) hoisted by an upper trolley (2) can pass through the lower trolley (3).


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    Title :

    NOVEL LOWER-TROLLEY SYSTEM


    Additional title:

    NEUARTIGES UNTERWAGENSYSTEM
    NOUVEAU SYSTÈME DE CHARIOT INFÉRIEUR


    Contributors:
    XIAO QIANG (author) / GUO SHUWANG (author) / ZHAO YINGJIU (author) / ZHENG XUEFENG (author)

    Publication date :

    2024-08-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



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