The invention provides a tower crane, and particularly relates to a super heavy tower crane, which is characterized in that a suspension arm comprises a balance arm and a cargo boom which are connected with each other, and the balance arm and the cargo boom are respectively positioned on two sides of a tower frame; a rail is arranged on the cargo boom, and the rail is arranged in the length direction of the cargo boom; the fixed counterweight device is fixedly connected with the balance arm, the movable counterweight device is connected to a track arranged on the cargo boom, and the driving device is used for driving the movable counterweight device to move along the track so as to keep the balance of the tower body; the movable counterweight device is connected with a hoisting load through a safety rope; under the normal working condition, the effective length of the safety rope can be changed along with the transverse and vertical movement of the load, the movement of the movable counterweight is not influenced, and under the accident working condition of losing the load, the safety rope quickly drives the counterweight block to move towards the outer side of the cargo boom so as to prevent the tower body from overturning.

    本发明提供了一种塔吊,尤其涉及超级重型塔吊,其特征在于,吊臂包括相连接的平衡臂和起重臂,且平衡臂与起重臂分别位于塔架的两侧;起重臂上设置有轨道,且轨道沿起重臂长度方向设置;固定配重装置与平衡臂固定连接,可移动配重装置连接于设置在起重臂上的轨道,驱动装置用于驱动可移动配重装置沿轨道移动,以保持塔身的平衡;所述可移动配重装置通过安全绳与吊装载荷连接;正常工况下,所述安全绳的有效长度可随载荷横向和竖向移动而产生变化,且不影响可移动配重的移动,在失去载荷的事故工况下,安全绳迅速带动配重块向起重臂外侧方向移动,以防止塔身倾覆。


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    Title :

    Tower crane


    Additional title:

    一种塔吊


    Contributors:

    Publication date :

    2022-11-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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