The invention discloses a lifting mechanism with high safety performance for maintenance of a tower crane, and relates to the technical field of hoisting equipment. The lifting mechanism comprises a stand column and a lifting frame, wherein the lifting frame is movably arranged on the surface of the stand column, a supporting plate is fixedly arranged on one side of the lifting frame, one end of the stand column penetrates through the top of a sleeve and extends into the sleeve, and a machine box is fixedly arranged at the other end of the stand column. The lifting frame, a traction rope, a pulley, a rotating rod, a third bevel gear, a fourth bevel gear, a second rotating shaft and a second motor are arranged, the third bevel gear and the fourth bevel gear are connected in a meshing mode to drive the pulley on the rotating rod to rotate, the pulley in the rotating state enables the lifting frame to move vertically in a pulling rope winding and unwinding mode, the second motor is used for providing power for the lifting mechanism, hydraulic oil is not used, and the lifting mechanism is energy-saving, environmentally friendly, simple in structure, easy to maintain and low in cost.

    本发明公开了一种安全性能高的塔式起重机维护保养用升降机构,涉及起重设备技术领域,包括立柱、升降架,所述立柱的表面活动设置有升降架,所述升降架的一侧固定设置有支撑板,所述立柱的一端贯穿至套筒的顶部并延伸至套筒的内部,所述立柱的另一端固定设置有机箱,通过设置升降架、牵引绳、滑轮、转动杆、第三锥形齿轮以及第四锥形齿轮,第二转轴以及第二电机,利用第三锥形齿轮与第四锥形齿轮的啮合连接带动转动杆上的滑轮进行转动,转动状态下的滑轮通过收放牵引绳的方式,使得升降架进行垂直移动,升降机构使用第二电机作为动力,不使用液压油,节能环保,结构简单,易维修保养,成本低。


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    Title :

    Lifting mechanism with high safety performance for maintenance of tower crane


    Additional title:

    一种安全性能高的塔式起重机维护保养用升降机构


    Contributors:
    WU JIE (author) / FU HUAFENG (author) / YANG JIANCAI (author) / YAN JUNJIE (author) / GUO LINA (author)

    Publication date :

    2021-11-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES / B66C Krane , CRANES / B01D SEPARATION , Trennen



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