The embodiment of the invention provides a rubber spring, a primary suspension device, a bogie and a railway vehicle, and the rubber spring comprises a spring body, a first elastic part and a second elastic part, the positioning pin assembly is fixed at the top or the outer ring of the spring body and is connected with a vehicle framework or a wheel set; the base is used for fixing the bottom or the outer ring of the spring body, and a cooling hole is formed in the bottom of the base, penetrates through the base in the wall thickness direction and is used for communicating the outside with the hollow cavity. According to the rubber spring, the rubber spring comprises a spring body, a positioning pin assembly and a base, and the positioning pin assembly is fixed to the top or the outer ring of the spring body and connected with a vehicle framework or a wheel pair; the base is fixed to the bottom or the outer ring of the spring body, and the bottom of the base is provided with cooling holes communicated with the outside and the hollow cavity so that air exchange can be conducted to achieve heat dissipation, cooling of the rubber spring can be accelerated, the service life of the rubber spring can be prolonged, and the characteristics of the rubber spring can be kept. And condensate water can be guided out, and the influence of accumulated water on the performance of the rubber spring is prevented.

    本申请实施例中提供了一种橡胶弹簧、一系悬挂装置、转向架及轨道车辆,包括:弹簧体,弹簧体的内部具有中空腔体;定位销组件,固定在弹簧体的顶部或外圈,与车辆构架或轮对相连接;底座,用于固定弹簧体的底部或外圈,底座的底部设有冷却孔,沿壁厚方向贯通底座,用于连通外界与中空腔体。本申请中,橡胶弹簧包括弹簧体、定位销组件和底座,定位销组件固定在弹簧体的顶部或外圈,与车辆构架或轮对连接;底座固定在弹簧体的底部或外圈,底座的底部设有连通外界和中空腔体的冷却孔,以进行空气交换实现散热,加快橡胶弹簧的冷却,提高橡胶弹簧使用寿命,保持橡胶弹簧的特性;并能够进行冷凝水的导出,防止积水对橡胶弹簧性能的影响。


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    Title :

    Rubber spring, primary suspension device, bogie and railway vehicle


    Additional title:

    一种橡胶弹簧、一系悬挂装置、转向架及轨道车辆


    Contributors:
    WANG JIAXIN (author) / HAO TAOGUANG (author) / ZHANG HANCHEN (author) / LI HUA (author) / XU HONGJIANG (author) / JIA CHAO (author) / SHANG HAOQIANG (author) / GUO TAO (author) / DUAN ZEBIN (author)

    Publication date :

    2024-07-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    F16F SPRINGS , Federn / 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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