The invention relates to an assembled semi-trailer frame. The assembled semi-trailer frame is characterized in that the frame is composed of longitudinal beams, middle cross beams and penetrating cross beams, wherein the middle cross beams and the penetrating cross beams are connected with the longitudinal beams; two boundary beams are arranged on the two sides of a bottom plate respectively, and the two ends of the bottom plate are each provided with a front-back cross beam; the boundary beams and the front-back cross beams are in assembled connection through connecting pieces, and the front-back cross beams and the longitudinal beams are in assembled connection through cross beam connecting plates; the middle cross beams are of a Z-shaped structure; the longitudinal beams are provided with webs and lower wing plates; and Z-shaped supports are arranged on the webs of the longitudinal beams, and the middle cross beams and the two longitudinal beams are connected through the Z-shaped supports. In the using process, the assembled structure of all parts has enough connecting strength and anti-bending and anti-twisting strength, the phenomenon that a connecting bolt bears too large shear force in the acceleration or emergency brake process of a semi-trailer is avoided, and the frame can also be prevented from being twisted or deformed when the semi-trailer travels on a complex road surface. The assembled structure of all the parts has manufacturability and maneuverability, so that part machining and overall assembling are facilitated.


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    Title :

    Assembled semi-trailer frame


    Contributors:
    BAI GUANGJIAN (author) / CHEN HONGGUANG (author) / SONG SHUFANG (author) / HUANG JUN (author) / ZHAO YAZHOU (author)

    Publication date :

    2015-07-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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