The invention relates to a manual slewing mechanism for a crane. The manual slewing mechanism comprises a base, wherein the base is of a hollow cylindrical structure; the middle of the base is provided with a central rotation shaft; the lower part of the central rotation shaft is connected with the base via a first shaft sleeve; the top of the central rotation shaft is connected with the base via a bearing and a bearing base; the middle of the central rotation shaft is provided with a worm gear via a second shaft sleeve; the worm gear is meshed with a worm; the worm is positioned on the side part of the base; the head part of the worm is provided with a handle. The manual slewing mechanism is compact and reasonable in structure, is simple and convenient to operate, is convenient to manufacture and install, completes the slewing motion via the driving of a worm and gear mechanism, saves labor for operators, and is high in working efficiency.


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    Title :

    Manual slewing mechanism for crane


    Contributors:
    DENG YAOLIN (author)

    Publication date :

    2015-06-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



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