The invention discloses a tower crane tower top structure, and belongs to the technical field of tower top structure. The tower crane tower top structure comprises a supporting rotary rod and a control room installed on the top of the supporting rotary rod; a rotary table is installed at the bottom of the supporting rotary rod, a falling proof storage bin is installed at the bottom of the rotary table, an expansion disk which can slide in the inner side of the falling proof storage bin is installed in the inner side of the falling proof storage bin, a fixed cylinder is installed in the middleposition of the bottom of the falling proof storage bin, a driving assembly used for driving sliding of the expansion disk is installed at the bottom of the fixed cylinder, and a rotating driving assembly used for driving rotation of the supporting rotary rod is further installed on the top of the falling proof storage bin; and a rotating shaft is driven to rotate by starting a driving motor, thusa circular gear is driven to rotate, an outer gear ring is driven to rotate by the circular gear, thus the supporting rotary rod is driven to rotate, the control room is driven to rotate by the supporting rotary rod, thus observation in different directions is reached, by starting an electric expansion rod, the expansion disk is driven to expand, and thus the problem of preventing falling of goods is achieved.

    本发明公开了一种塔吊塔顶结构,属于塔顶结构技术领域,包括支撑转杆以及安装在支撑转杆顶部的控制室,支撑转杆的底部安装有转盘,且转盘的底部安装有防掉落收纳仓,防掉落收纳仓的内侧安装有可以在防掉落收纳仓内侧滑动的伸缩盘,防掉落收纳仓底部的中间位置处安装有固定筒,固定筒内侧的底部安装有用于驱动伸缩盘滑动的驱动组件,防掉落收纳仓的顶部还安装有用于驱动支撑转杆转动的转动驱动组件,通过启动驱动电机带动转轴转动,从而带动圆形齿轮转动,通过圆形齿轮带动外齿轮环转动,从而带动支撑转杆转动,通过支撑转杆带动控制室转动,实现不同方位的观察,通过启动电动伸缩杆从而将驱动伸缩盘展开,从而实现防止物品掉落的问题。


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    Title :

    Tower crane tower top structure


    Additional title:

    一种塔吊塔顶结构


    Contributors:
    LIU XIAOHUA (author)

    Publication date :

    2020-04-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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