PROBLEM TO BE SOLVED: To provide an axle-box suspension device which alleviates request for process tolerances of a strike plate and a lid member, and of which productivity is improved.SOLUTION: A railway vehicle axle-box suspension device comprises: a connection member which extends along a vehicle longitudinal direction from an axle box, has a cylindrical part, which is opened to vehicle width direction both sides, at a tip thereof, and connects the axle box and a truck frame; a mandrel which is inserted into an internal space of the cylindrical part, and on vehicle width direction both sides of which a pair of projection parts are provided; an elastic bush which is interposed between the cylindrical part and the mandrel; a pair of strike plates which are provided on the truck frame, and which have a pair of recesses each, and a pair of groove parts in which a part of bottom surfaces of the pair of recesses are concaved each; a pair of lid members which support the pair of projection parts which are fitted in the pair of groove parts each, and which are fitted in the pair of recesses each; and a fastening member which fixes the lid member to the strike plate.SELECTED DRAWING: Figure 1

    【課題】受け座や蓋部材の加工精度の要求を緩和し、製作性を向上させた軸箱支持装置を提供する。【解決手段】鉄道車両の軸箱支持装置は、軸箱から車両長手方向に沿って延び、その先端部に車幅方向両側に開口されてなる筒状部を有し、前記軸箱と前記台車枠とを連結する連結部材と、前記筒状部の内部空間に挿通され、車幅方向両側に一対の突起部が設けられた心棒と、前記筒状部と前記心棒との間に介装された弾性ブッシュと、台車枠に設けられ、一対の凹部及び前記凹部の底面の一部を夫々窪ませた一対の溝部を夫々有する一対の受け座と、前記一対の溝部に夫々嵌入された前記一対の突起部を夫々支持し、前記一対の凹部に夫々嵌入される一対の蓋部材と、前記蓋部材を前記受け座に固定する締結部材と、を備える。【選択図】図1


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    Title :

    RAILWAY VEHICLE AXLE-BOX SUSPENSION DEVICE


    Additional title:

    鉄道車両の軸箱支持装置


    Contributors:

    Publication date :

    2018-08-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    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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