The invention discloses an inner axle box bogie for a railway vehicle, which comprises a framework, a wheel set, a foundation brake device, a traction device, a secondary suspension device and a primary suspension device, and is characterized in that the framework comprises two groups of cross beams and a group of longitudinal beams for connecting the two groups of cross beams; the cross beams arearranged over the axle, and the longitudinal beam is connected between the middles of the two cross beams. The two ends of each cross beam are each provided with a small longitudinal beam, and the small longitudinal beams are installation parts and connectors for primary suspension. The primary suspension device comprises an axle box, a primary spring and a primary vertical shock absorber; wherein the two groups of wheel sets comprise an axle and two wheels; a secondary steel spring assembly, a secondary vertical shock absorber and two sets of anti-side-rolling torsion bars are arranged in the middle of the longitudinal beam. The bogie has the characteristics that all parts of the bogie except for wheel disc braking can be placed on the inner side of the wheel set, so that the purpose ofremarkably reducing the weight of the bogie is achieved, and the running performance of the whole bogie is improved.

    本发明公开了一种用于轨道车辆内轴箱转向架,包括构架、轮对、基础制动装置、牵引装置、二系悬挂装置和一系悬挂装置,所述构架包括两组横梁和一组连接两组横梁的纵向梁;所述横梁布置在所述车轴正上方,所述纵向梁连接于两个所述横梁中部之间;所述每个横梁两端分别布置一个小纵向梁,为一系悬挂的安装部位和接口;一系悬挂装置包括轴箱、一系弹簧和一系垂向减振器;所述轮对设置两组,包括一个车轴和两个车轮;所述纵向梁的中间位置设有二系钢弹簧组件、二系垂向减振器和两组抗侧滚扭杆。本发明的转向架的特点是:除了轮盘制动所有转向架的零部件均可放在轮对内侧,从而达到显著降低转向架重量的目的,提高整个转向架的运行性能。


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    Title :

    Inner axle box bogie for railway vehicle


    Additional title:

    一种用于轨道车辆内轴箱转向架


    Contributors:
    ZHOU ZHANGYI (author) / LIU SHUYANG (author) / LAO LIANGCHENG (author)

    Publication date :

    2021-02-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    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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