The invention relates to a limiting device, in particular to a limiting device for a crane boom, belonging to the technical field of cranes. According to the technical scheme provided by the invention, the limiting device for the crane boom comprises a cylinder body and a rotating body positioned on the cylinder body, wherein a boom and a luffing mechanism for controlling the amplitude of the boom are arranged on the rotating body; an amplitude detecting mechanism for detecting the amplitude of the boom is arranged on the rotating body and is connected with a crane controller; the crane controller is used for determining the amplitude of the boom according to the amplitude detecting mechanism to control the working state of the luffing mechanism. According to the limiting device disclosed by the invention, the structure is compact, and the limiting on the boom can be effectively realized, so that the safety and the reliability of the boom during working are guaranteed.


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    Title :

    Limiting device for crane boom


    Contributors:
    SHEN FUGANG (author)

    Publication date :

    2015-11-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



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