The mine truck chassis comprises a truck frame, a rear axle, a bearing cover, an outer bearing and an inner bearing, a first semi-annular groove is formed in the rear axle hinged end of the rear axle, and a threaded counter bore is formed in the end face of the first semi-annular groove; the outer bearing comprises a first outer bearing split body and a second outer bearing split body, a first hemispherical ring surface is arranged on the inner wall of the first outer bearing split body, and a second hemispherical ring surface is arranged on the inner wall of the second outer bearing split body; the inner bearing is fixed on a middle cross beam pipe of the frame; the spherical surface of the inner bearing is mounted in an inner spherical surface formed by the first hemispherical ring surface and the second hemispherical ring surface; the bearing cover is provided with a second semi-annular groove, a bearing cover flange and a flange through hole; the outer bearing is installed in an annular groove defined by the first semi-annular groove and the second semi-annular groove. Bolts penetrate through the flange through holes to be connected to the threaded counter bores. The invention further discloses a hinged mounting method of the rear axle and the frame. According to the invention, direct hinging of the frame and the rear axle can be realized.

    本发明公开了一种矿用车底盘,包括:车架、后桥、轴承盖、外轴承、内轴承,后桥的后桥铰接端设置有第一半环形凹槽,第一半环形凹槽的端面设置有螺纹沉孔;外轴承包括:第一外轴承分体、第二外轴承分体,第一外轴承分体在内壁设置有第一半球形环面,第二外轴承分体在内壁设置有第二半球形环面;内轴承固定在车架的中横梁管上,内轴承的形球面安装在第一半球形环面、第二半球形环面组成内球面内;轴承盖设置有第二半环形凹槽、轴承盖法兰、法兰通孔;外轴承安装在第一半环形凹槽、第二半环形凹槽围成的环形凹槽内;螺栓穿过法兰通孔连接在螺纹沉孔上。本发明还公开了一种后桥和车架的铰接安装方法。本发明能够实现车架、后桥的直接铰接。


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    Title :

    Mine truck chassis and hinged installation method of rear axle and frame of mine truck chassis


    Additional title:

    矿用车底盘及其后桥和车架的铰接安装方法


    Contributors:
    DONG ZHIMING (author) / GUO HAIQUAN (author) / LIU WENZHONG (author) / ZHANG YAOBIN (author) / SONG LIMING (author) / DUAN JINGFEI (author) / ZHAO LEI (author) / KANG CHUNYAN (author) / PAN YANJUN (author) / LI XIANWU (author)

    Publication date :

    2022-12-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge



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