The embodiment of the invention provides a railway vehicle and a vehicle body structure, and the vehicle body structure of the railway vehicle comprises an underframe used for bearing a vehicle body steel structure; the two side walls are welded to the two sides of the bottom frame through plasma, the two side walls are symmetrically arranged relative to the longitudinal center line of the bottom frame, and each side wall is formed through laser welding; the end wall is welded to one end of the bottom frame in a plasma welding mode, and the two sides of the end wall are connected with one ends of the side walls on the corresponding sides in a spot welding mode respectively; the end, close to the end wall, of the car roof is in plasma welding with the top of the end wall, and the two sides of the car roof are in spot welding connection with the tops of the two side walls correspondingly; the problem of spot welding pits on the outer surface of the stainless steel vehicle body is solved, and the beneficial effects of high bearing capacity, good welding effect, attractive appearance and light weight are achieved; the invention is applicable to the technical field of railway vehicles.

    本申请实施例提供一种轨道车辆及车体结构,其中轨道车辆车体结构包括:底架,用于承载车体钢结构;两个侧墙,等离子焊接于所述底架的两侧,两个所述侧墙相对所述底架的纵向中心线对称设置,且每个所述侧墙均通过激光焊接而成;端墙,等离子焊接于所述底架的一端,所述端墙的两侧分别与相应侧的所述侧墙的一端点焊连接;车顶,靠近所述端墙的一端与所述端墙的顶部等离子焊接,所述车顶的两侧分别与两个所述侧墙的顶部点焊连接;解决了不锈钢车体外表面点焊凹坑问题,具有承载能力强、焊接效果好、外观美观、轻量化的有益效果;适用于轨道车辆技术领域。


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    Title :

    Railway vehicle and vehicle body structure


    Additional title:

    一种轨道车辆及车体结构


    Contributors:
    GUO LIKUI (author) / YANG SHIJIE (author) / LIU TIANTIAN (author) / LI SI (author) / ZHAO WENPING (author) / ZHANG FULI (author) / LIU ZHENG (author) / WANG PENG (author) / XU JIAN (author) / YANG CHAO (author)

    Publication date :

    2023-12-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES / B23K Löten , SOLDERING OR UNSOLDERING / B61F Untergestelle für Schienenfahrzeuge, z.B. Fahrgestellrahmen, Drehgestelle oder Anordnungen der Radsätze , RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES



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