Disclosed are a primary suspension device (3), a bogie and a rail vehicle. The bogie comprises: a frame provided with two parallel side beams (1) extending in a longitudinal direction; annular hoops (32) connected to bottom surfaces of end portions of the side beams (1), a centerline of the annular hoop (32) extending in a lateral direction; axle boxes (2), the axle box (2) being located in a space defined by the annular hoop (32), a centerline of the axle box (2) coinciding with the centerline of the annular hoop (32); and a plurality of buffer blocks (31) uniformly arranged between the annular hoops (32) and the axle boxes (2). By means of the primary suspension device (3), the bogie and the rail vehicle according to the invention, the height of the frame can be reduced on the premise that the preset strength and a buffer energy absorption effect are achieved.


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    Title :

    PRIMARY SUSPENSION DEVICE, BOGIE AND RAILWAY VEHICLE


    Additional title:

    PRIMÄRE AUFHÄNGUNGSVORRICHTUNG, DREHGESTELL UND SCHIENENFAHRZEUG
    DISPOSITIF DE SUSPENSION PRIMAIRE, BOGIE ET VÉHICULE FERROVIAIRE


    Contributors:
    ZHANG LIXIN (author) / SUN XIUYU (author) / ZHENG JIANKE (author) / BI YUEKUAN (author) / ZHANG LIJUN (author) / ZHANG JIE (author) / HAO TAOGUANG (author)

    Publication date :

    2024-02-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    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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