The invention provides a train wheel assembly and a train, and relates to the technical field of trains. The train wheel assembly comprises an axle, a wheel and a rear cover, a mounting hole is formed in the center of the rear end of the wheel, the end of the axle is embedded into the mounting hole and rotationally connected with the wheel, the rear cover is annular and sleeves the outer side of the axle, the axle is in clearance fit with the inner wall of the rear cover, and the rear cover is connected with the rear end of the wheel in a fastened mode and seals the rear end of the mounting hole. A movable sealing piece used for sealing a gap between the axle and the rear cover is arranged between the rear cover and the axle, and a first static sealing piece used for sealing a gap between the rear cover and the wheel is arranged between the rear cover and the wheel. The train comprises the train wheel assembly. According to the train wheel assembly and the train, the sealing performance of the rear ends of the mounting holes in the wheels is good, external sundries are not prone to entering the mounting holes, lubricating media in the mounting holes are not prone to deterioration and leakage, and the train wheel assembly is not prone to damage.

    本发明提供一种列车车轮总成及列车,涉及列车技术领域。其中,该列车车轮总成包括:车轴、车轮和后盖,车轮后端的中心位置设有安装孔,车轴的端部嵌入安装孔内并与车轮转动连接,后盖为环状,后盖套于车轴外侧,车轴与后盖的内壁间隙配合,后盖与车轮的后端紧固连接,并封盖安装孔的后端。后盖与车轴之间设有用于密封车轴与后盖之间的间隙的动密封件,后盖与车轮之间设有用于密封后盖与车轮之间的间隙的第一静密封件。该列车包括上述的列车车轮总成。本发明提供的列车车轮总成及列车,车轮上的安装孔的后端的密封性能好,外部的杂物不易进入安装孔内,安装孔内的润滑介质不易变质和泄露,列车车轮总成不易损坏。


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    Title :

    Train wheel assembly and train


    Additional title:

    列车车轮总成及列车


    Contributors:
    YU CHANGYING (author) / BAO XIAOKUN (author) / WU JIAOJIAO (author) / LI JIANPEI (author)

    Publication date :

    2023-04-18


    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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