The invention discloses a gantry crane bridge which comprises a truss and telescopic frames located on the two sides of the bottom of the truss, the surface of the truss is slidably connected with a lifting hook assembly, the bottoms of the telescopic frames are fixedly connected with horizontal frames capable of walking, and the surfaces of the telescopic frames are fixedly connected with fixing sleeves. The inner surface of the fixing sleeve is slidably connected with a sliding rod, the truss is supported by the telescopic frame, the fixing sleeve and the sliding rod on the telescopic frame are matched, meanwhile, a second steering wheel and a lifting wheel are arranged on the sliding rod, and a first steering wheel is arranged on the telescopic frame; pulley ropes are wound on the surfaces of a first steering wheel, a second steering wheel and a lifting wheel, and one end of each pulley rope is pulled, so that a sliding rod slides upwards on the inner surface of a fixing sleeve, and the height of a truss can be adjusted to adapt to goods of different heights.

    本发明公开一种门式起重机的桥架,包括桁架以及位于桁架底部两侧的伸缩架,所述桁架的表面滑动连接有吊钩组件,所述伸缩架的底部固定连接有能够行走的水平架,所述伸缩架的表面固定连接有固定套,所述固定套的内表面滑动连接有滑动杆,通过将对桁架进行支撑的设置为能够伸缩的伸缩架,配合伸缩架上的固定套和滑动杆,同时在滑动杆上设置第二转向轮和提升轮,以及在伸缩架上设置第一转向轮,利用在第一转向轮、第二转向轮和提升轮的表面缠绕滑轮绳,通过拉动滑轮绳的一端,从而使得滑动杆在固定套的内表面向上滑动,从而能够调节桁架的高度,以适应不同高度的货物。


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    Title :

    Bridge of portal crane


    Additional title:

    一种门式起重机的桥架


    Contributors:
    LIANG DAWEI (author) / XU CONGZHU (author) / XIE YANQU (author) / FU YULEI (author)

    Publication date :

    2023-11-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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