대차는, 일단부가 제1 축 상자에 지지되는 한편, 타단부가 제2 축 상자에 지지된 상태로 차량 길이 방향으로 연장되며, 압압 부재에 대해 상대 변위 가능하게 하방에서 지지하는 판 스프링과; 횡량과 제1 축 상자를 접속하고, 각각의 일단부가 제1 축 상자에 탄성적으로 연결되는 제1 상부 링크 및 제1 하부 링크와; 횡량과 제2 축 상자를 접속하고, 각각의 일단부가 제2 축 상자에 탄성적으로 연결되는 제2 상부 링크 및 제2 하부 링크를 구비하며, 제1 상부 링크 및 제1 하부 링크의 일단부와 제1 축 상자와의 연결점은, 측면에서 바라볼 때 제1 차축의 중심을 통과하는 제1 가상 직선상에 배치되고, 제2 상부 링크 및 제2 하부 링크의 일단부와 제2 축 상자와의 연결점은, 측면에서 바라볼 때 제2 차축의 중심을 통과하는 제2 가상 직선상에 배치된다.

    A bogie includes: a plate spring extending in a car longitudinal direction in a state where a first end portion of the plate spring is supported by the first axle box, and a second end portion of the plate spring is supported by the second axle box, the plate spring supporting the pressing member from below so as to be displaceable relative to the pressing member; a first upper link connected to the cross beam and the first axle box and including a first end portion elastically coupled to the first axle box; a first lower link connected to the cross beam and the first axle box and including a first end portion elastically coupled to the first axle box; a second upper link connected to the cross beam and the second axle box and including a first end portion elastically coupled to the second axle box; and a second lower link connected to the cross beam and the second axle box and including a first end portion elastically coupled to the second axle box, a coupling point where the first end portion of the first upper link and the first axle box are coupled to each other and a coupling point where the first end portion of the first lower link and the first axle box are coupled to each other being arranged on a first virtual straight line passing through a center of the first axle in a side view, a coupling point where the first end portion of the second upper link and the second axle box are coupled to each other and a coupling point where the first end portion of the second lower link and the second axle box are coupled to each other being arranged on a second virtual straight line passing through a center of the second axle in the side view.


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    Title :

    BOGIE FOR RAILWAY VEHICLE


    Additional title:

    철도차량용 대차


    Contributors:

    Publication date :

    2017-07-31


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    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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