The invention discloses a movable arm tower crane which comprises a tower body, a working arm, a balance arm and a counterweight system, the tower body is arranged on the ground, one end of the working arm is connected to one end, far away from the ground, of the tower body, the other end of the working arm is provided with a hook, the hook is used for hanging a heavy object, and the balance arm is connected with the counterweight system. A driving part is arranged at the end, close to the tower body, of the working arm, the driving part extends towards the side close to the tower body, the balance arm is connected to the end, away from the ground, of the tower body, the balance arm and the working arm are located on the two opposite sides of the tower body, and the counterweight system comprises a rocker, a counterweight frame and a moving rod; the balance weight frame is used for containing a balance weight block, the balance weight frame is rotationally connected with the balance arm through the rocker, one end of the moving rod is rotationally connected with the balance weight frame, and the other end of the moving rod is rotationally connected with the end, away from the operation arm, of the driving part. According to the technical scheme, the balance structure of the movable arm tower crane is simplified.

    本发明公开一种动臂塔吊,该动臂塔吊包括塔身、作业臂、平衡臂及配重系统,塔身设于地面,所述作业臂的一端连接于所述塔身远离地面的一端,所述作业臂的另一端设有挂钩,所述挂钩用于挂取重物,所述作业臂邻近所述塔身的一端设有驱动部,所述驱动部向靠近所述塔身的一侧延伸,所述平衡臂连接于所述塔身远离地面的一端,所述平衡臂与所述作业臂位于所述塔身的相对两侧,所述配重系统包括摇杆、配重框及移动杆,所述配重框用于容纳配重块,所述配重框通过所述摇杆与所述平衡臂转动连接,所述移动杆的一端与所述配重框转动连接,另一端与所述驱动部远离所述作业臂的一端转动连接。本发明技术方案旨在简化动臂塔吊的平衡结构。


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    Title :

    Tower crane with movable arm


    Additional title:

    动臂塔吊


    Contributors:
    MA RUICHENG (author) / ZOU YANG (author) / LIU WEIJIE (author) / HE DONG (author) / LIU LIFENG (author) / WANG HUAN (author) / ZHAO XUBO (author) / GAO KAI (author)

    Publication date :

    2023-07-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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