The invention provides a cover assembly, a pneumatic driving device, a wheel tread cleaning device and a railway vehicle. The end cover assembly comprises a cylinder cover and a gland. The cylinder cover is provided with an inner side end face facing the air cylinder and an outer side end face deviating from the air cylinder; an extending and protruding first external thread column body is arranged on the inner side end face of the cylinder cover and is installed in cooperation with an air cylinder. The outer side end face of the cylinder cover is provided with a second external thread column body which extends and protrudes. The cylinder cover is provided with a through mounting hole, and the mounting hole extends to penetrate through the first external thread column body and the second external thread column body and is used for arranging a gas core and an elastic pull rod; The gland is provided with an inner side end face facing the cylinder cover and an outer side end face deviating from the cylinder cover; a threaded hole matched with the second external thread column body is formed in the end face of the inner side of the gland; a throttling vent hole is formed between the threaded hole and the end face of the outer side of the gland; a first mounting groove is further formed between the inner side end face of the gland and the threaded hole; and in the assembling state, the inner side end face of the gland abuts against the outer side end face of the cylinder cover, and sealing is provided through a sealing ring arranged in the first installation groove.

    本申请提供一种盖组件、气压驱动装置、车轮踏面清扫装置及轨道车辆。端盖组件包括:缸盖,具有朝向气缸设置的内侧端面与背离气缸设置的外侧端面;在所述缸盖的内侧端面上设置延伸凸出的第一外螺纹柱体,与气缸配合安装;在所述缸盖的外侧端面上具有延伸凸出的第二外螺纹柱体;所述缸盖具有贯通的安装孔,所述安装孔延伸穿过所述第一外螺纹柱体与所述第二外螺纹柱体,并用于布置气芯与弹性拉杆;以及压盖,具有朝向缸盖设置的内侧端面与背离缸盖设置的外侧端面;在所述压盖的内侧端面上设置与所述第二外螺纹柱体配合的螺纹孔;在所述螺纹孔与所述压盖的外侧端面之间设置节流通气孔;其中,所述压盖的内侧端面与螺纹孔之间还设置第一安装槽;在装配状态下,所述压盖的内侧端面抵靠至所述缸盖的外侧端面,并经由布置在所述第一安装槽内的密封圈提供密封。


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    Title :

    End cover assembly, pneumatic driving device, wheel tread cleaning device and railway vehicle


    Additional title:

    端盖组件、气压驱动装置、车轮踏面清扫装置及轨道车辆


    Contributors:
    CHEN XUN (author) / FENG CHANG (author) / WAN MENG (author) / WANG ZICHEN (author) / XU HAO (author)

    Publication date :

    2021-05-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60S SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR , Warten, Reinigen, Instandsetzen, Unterstützen, Anheben oder Rangieren von Fahrzeugen, soweit nicht anderweitig vorgesehen / B61C Lokomotiven , LOCOMOTIVES / 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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