The invention discloses a single-beam cantilever type portal crane which is composed of a rigid leg, a bridge rigid leg section, a bridge middle section, a bridge flexible leg section, a bridge cantilever section, a hoist track, a flexible leg and a walking beam, the rigid leg is of a detachable inverted-Y-shaped structure, and the top of the rigid leg is connected with the bridge rigid leg section; the bridge rigid leg section is connected with the bridge flexible leg section through at least one bridge middle section, and the bridge flexible leg section is connected with the bridge cantilever section; the flexible leg is connected with a connecting plate welded on a main chord of the flexible leg section of the bridge frame through three connecting rods by a pin shaft; hoist rails are mounted at the bottoms of the bridge rigid leg section, the bridge middle section, the bridge flexible leg section and the bridge cantilever section; walking beams are installed at the bottoms of the rigid legs and the flexible legs.

    本发明公开了一种单梁悬臂式门式起重机,由刚性腿、桥架刚性腿段、桥架中间节、桥架挠性腿段、桥架悬臂段、葫芦轨道、挠性腿、行走梁组成,其中刚性腿为可拆分的倒Y型结构,刚性腿的顶部连接桥架刚性腿段,桥架刚性腿段通过至少一节桥架中间节与桥架挠性腿段相连,所述的桥架挠性腿段与桥架悬臂段相连;所述的挠性腿通过三根连接杆与焊接于桥架挠性腿段主弦上的连接板以销轴连接;在桥架刚性腿段、桥架中间节、桥架挠性腿段及桥架悬臂段底部安装葫芦轨道;在刚性腿、挠性腿底部安装行走梁。


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    Title :

    Single-beam cantilever portal crane


    Additional title:

    一种单梁悬臂门式起重机


    Contributors:
    ZHANG JIANKANG (author) / LI XIAOXIAO (author) / LIU BIN (author) / LI JING (author) / YU ZHIJIE (author) / LI PENGJU (author) / GAO QIANG (author) / AN YUZHEN (author)

    Publication date :

    2024-01-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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