The invention relates to the technical field of rail transit equipment, and discloses a variable-wheelbase bogie which comprises an axle and a shaft sleeve, friction rails are movably connected to the two ends of the axle, a push ring is movably connected to the shaft sleeve through a thrust bearing, and the push ring is fixedly connected with a wheel pair. According to the variable-wheelbase bogie and pavement matching structure, through relative rotation between the driving ring and the driving cylinder, wheel sets are driven from the end face to move, the wheelbase is changed, it is guaranteed that in the wheel set pitch changing process, lateral stress is uniform, it is guaranteed that the pitch changing process is normally and stably conducted, meanwhile, lateral friction force is also reduced, and due to the fact that the protruding distance is small, the width change of the train is small, the device is suitable for an existing station platform, meanwhile, due to the fact that locking of the train is achieved through rotation of the locking driving ring and the driving cylinder, in the running process, pressure borne by the device is small, reliability is high, even if unlocking fails, only distance changing cannot be achieved, and damage to the train and equipment is small.

    本发明涉及轨道交通设备技术领域,且公开了一种变轴距转向架,包括车轴和轴套,所述车轴的两端均活动连接有摩擦轨,所述轴套通过推力轴承活动连接有推环,所述推环固定连接轮对。该变轴距转向架及路面配套结构,通过驱动环和驱动筒之间的相对转动,从端面驱动轮对移动,实现轴距的变化,保证轮对变距的过程中,侧向受力均匀,保证变距过程的正常平稳进行,同时侧向的摩擦力也减少,其次,由于凸起距离较小,使列车的宽度变化较小,适用于现有的车站月台,同时由于车辆的锁定是通过锁定驱动环和驱动筒的转动实现的,在运行过程中,其受到的压力较小,可靠性较高,还有,即使解锁失败,仅仅是无法实现变距,对列车和设备的伤害较小。


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    Title :

    Variable-wheelbase bogie and pavement matching structure


    Additional title:

    一种变轴距转向架及路面配套结构


    Contributors:
    LI CHENG (author)

    Publication date :

    2021-06-04


    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 / E01B PERMANENT WAY , Gleisoberbau



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