To enable a dynamic damper to be installed in a small space, without deteriorating an elastic support function, a traction function and a buffer function that are original functions.SOLUTION: A rubber bush 1 for a railroad vehicle comprises: an outer member 2; an inner member 3 arranged substantially coaxially with the outer member 2 inside the outer member 2; an elastic support member 4 that connects the outer member 2 and the inner member 3 to each other, and is separated at two locations above and below the outer member 2 in a circumferential direction except for a front-rear direction in which a load is input in a state of being mounted on a railroad vehicle; and a mass members 5 that is arranged in cavity parts 10, 10 of the elastic support member 4, and forms a dynamic damper 20.SELECTED DRAWING: Figure 2

    【課題】本来の機能である弾性支持機能、牽引機能、緩衝機能を低下させることなく、省スペースでダイナミックダンパを設置可能とする。【解決手段】鉄道車両用ゴムブッシュ1は、アウタ部材2と、アウタ部材2の内側でアウタ部材2と略同軸上に配置されるインナ部材3と、アウタ部材2とインナ部材3とを互いに連結すると共に、鉄道車両への取付状態で荷重が入力する前後方向を除いてアウタ部材2の周方向の上下2箇所で分離している弾性支持部材4と、弾性支持部材4の空隙部10,10に配置され、ダイナミックダンパ20を構成するマス部材5とを含んでなる。【選択図】図2


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    Title :

    RUBBER BUSH FOR RAILROAD VEHICLE


    Additional title:

    鉄道車両用ゴムブッシュ


    Contributors:

    Publication date :

    2020-09-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F16F SPRINGS , Federn / 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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