The invention discloses a double-cantilever-beam bridge portal crane. The double-cantilever-beam bridge portal crane comprises a support frame, the top of the support frame is slidably connected with a crane cantilever beam, the crane cantilever beam comprises a main cantilever beam and an auxiliary cantilever beam, the main cantilever beam is slidably connected with the auxiliary cantilever beam, and the bottom of a butt joint box is provided with a driving mechanism used for driving the butt joint box to move in the length direction of the support frame. The main cantilever beam and the auxiliary cantilever beam are independently arranged and slidably connected, and the distance between the main cantilever beam and the auxiliary cantilever beam is adjusted through a suspension beam air cylinder, so that mutual interference of the main cantilever beam and the auxiliary cantilever beam during working is reduced, the main cantilever beam and the auxiliary cantilever beam can be independently allocated and transported, the working efficiency of the crane is improved, and meanwhile when objects with large sizes are hoisted and transported, the main cantilever beam and the auxiliary cantilever beam can be separated, the two sides of the to-be-hoisted objects are fixed correspondingly, and the stability of the hoisting process is greatly improved.

    本发明公开了一种双悬臂桥门式起重机,包括支撑架,所述支撑架的顶部滑动连接有起重机悬梁,所述起重机悬梁包括主悬梁和副悬梁,所述主悬梁与副悬梁滑动连接,所述对接箱的底部设置有用于驱动对接箱在沿支撑架长度方向运动的驱动机构;本发明通过将主悬梁和副悬梁独立设置并滑动连接,并通过悬梁气缸调整其间距,以降低二者在工作时的相互干扰,使得二者可独立进行调运操作,提高起重机的工作效率,同时在对体积较大的物品进行吊运时,也可将主悬梁和副悬梁分离,对待吊运物品的两侧进行分别固定,大大提高了吊运过程的稳定性。


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    Title :

    Double-cantilever-beam bridge portal crane


    Additional title:

    一种双悬臂桥门式起重机


    Contributors:
    LIANG DAWEI (author)

    Publication date :

    2022-01-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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