The invention provides an ultra-hoisting counterweight amplitude changing device and a crane. The ultra-hoisting counterweight amplitude changing device comprises a first folding arm, a second foldingarm, a third folding arm, first driving parts and second driving parts. The first folding arm is connected with the second folding arm in a rotating mode, and the first driving parts are used for driving the second folding arm to rotate relative to the first folding arm. The second folding arm is connected with the third folding arm in a rotating mode, and the second driving parts are used for driving the third folding arm to rotate relative to the second folding arm. The ultra-hoisting counterweight amplitude changing device is large in ultra-hoisting radius change range and broad in application range.

    本发明提供了一种超起配重变幅装置和起重机,超起配重变幅装置包括第一折叠臂、第二折叠臂、第三折叠臂、第一驱动件和第二驱动件,第一折叠臂与第二折叠臂转动连接,第一驱动件用于驱动第二折叠臂相对于第一折叠臂转动;第二折叠臂与第三折叠臂转动连接,第二驱动件用于驱动第三折叠臂相对于第二折叠臂转动。该超起配重变幅装置的超起半径变化范围大,适用范围广。


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    Titel :

    Ultra-hoisting counterweight amplitude changing device and crane


    Weitere Titelangaben:

    超起配重变幅装置和起重机


    Beteiligte:
    GUO XIAOCHEN (Autor:in) / DING LIANG (Autor:in) / LIU TAO (Autor:in)

    Erscheinungsdatum :

    2020-06-09


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B66C Krane , CRANES



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