The invention provides a wheeled crane frame in a truss structure form and a mounting method, the frame comprises a front fixed leg, a frame rear section and a rear fixed leg, the front end of the frame rear section is hinged with the front fixed leg, and the rear end of the frame rear section is hinged with the rear fixed leg; the frame rear section is of a truss structure and comprises a plurality of main chord members, all the main chord members are arranged in parallel, and a main web member is welded between the tail ends of the adjacent main chord members; wherein one part of the main chord members are positioned on the same horizontal plane, the other part of the main chord members are positioned on the same vertical plane, and one main chord member is arranged at the junction of the horizontal plane and the vertical plane; the connecting joint is fixed at the tail end of the main chord member; a pin hole is formed in the connecting joint; and the web members are welded between the two adjacent main chord members. Assembly modular production can be achieved, and installation and maintenance of parts in the frame are facilitated.

    本发明提出了一种桁架结构形式的轮式起重机车架及安装方法,该车架包括前固定腿、车架后段和后固定腿,车架后段的前端与前固定腿铰接,后端与后固定腿铰接;车架后段为桁架结构,包括:若干主弦杆,所有主弦杆之间均平行设置,相邻主弦杆的末端之间焊接一主腹杆;其中一部分主弦杆位于同一水平面上,另一部分主弦杆位于同一竖直面上,水平面和竖直面的交界处为一主弦杆;连接接头,固定于主弦杆的末端;连接接头上开设销孔;腹杆,焊接于相邻的两主弦杆之间。本发明可实现装配模块化生产,便于车架内部零部件的安装与维修。


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    Title :

    Wheel crane frame in truss structure form and mounting method


    Additional title:

    一种桁架结构形式的轮式起重机车架及安装方法


    Contributors:
    JI GUANGKE (author) / LIU YU (author) / JIA XIAOJIE (author) / XU YUXI (author) / CHENG JING'AI (author) / YIN HONGMEI (author)

    Publication date :

    2023-03-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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