The invention discloses a suspension mechanism for a semitrailer, which comprises a frame and an axle shaft, and is characterized in that a lower wing plate is mounted at the bottom of the frame, three groups of suspensions are mounted at the bottom of the lower wing plate, a support cross beam is mounted on the inner side of the leftmost group of suspensions, a plate spring is mounted on the inner side of the support cross beam, and the plate spring is mounted on the inner side of the support cross beam. One ends of the other two groups of suspensions are provided with balance arms through connecting shafts, the two ends of each balance arm are provided with steel plate pins, and the balance arms are connected with one end of a plate spring through the steel plate pins. The plate spring is installed, one end of the plate spring is arranged in the round hole, the rubber ring is fixedly installed in the round hole, then the plate spring makes contact with the steel plate pin on the inner side of the rubber ring, the steel plate pin is installed on the balance arm, a pull rod device of a plate spring structure is omitted, the structure is simpler, and the straight section of the other end of the plate spring can stretch out and draw back freely; vibration in the driving process can be well filtered, a pull rod structure is omitted in a suspension mode, the number of plate spring pieces is reduced, the thickness is reduced, and the weight is lighter.

    本发明公开了一种半挂车用的悬挂机构,包括车架和桥轴,其特征在于:所述车架的底部安装有下翼板,所述下翼板的底部安装有三组悬架,最左侧一组所述悬架的内侧安装有支撑横梁,所述支撑横梁的内侧安装有板簧,另外两组所述悬架的一端通过连接轴安装有平衡臂,所述平衡臂的两端安装有钢板销子,平衡臂的通过钢板销子连接板簧的一端。本发明通过安装有板簧,板簧的一端设置于圆孔,圆孔的内部固定安装橡胶圈,然后板簧通过橡胶圈内侧的钢板销子接触,钢板销子安装在平衡臂上,省去了板簧结构的拉杆装置,结构更简单,板簧的另外一端平直段,可以自由伸缩,能够很好的过滤行驶过程中的振动,悬挂取消拉杆结构,板簧片数变少,厚度变薄,重量更轻。


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    Titel :

    Suspension mechanism for semitrailer


    Weitere Titelangaben:

    一种半挂车用的悬挂机构


    Beteiligte:
    WANG SHAOLEI (Autor:in) / WANG DAJUN (Autor:in) / WANG ZHAOYANG (Autor:in)

    Erscheinungsdatum :

    2023-07-25


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

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



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