A bogie for rolling stock is provided with a cross beam for supporting the body of a rolling stock, a pair of axles arranged along the bogie width direction on both sides of the cross beam in the bogie length direction, bearings which are arranged on both sides of the axles in the bogie width direction and which rotatably support the axles, axle boxes which house the axles, leaf springs which, in a state supporting both ends of the cross beam in the bogie width direction, extend in the bogie length direction and which are supported at both ends in the bogie length direction in the axle boxes, and a pressing member which is provided at both ends of the cross beam in the bogie width direction and which is mounted from above in the center part of the leaf spring in the bogie length direction. The bottom surface of the portion of the pressing member that presses the leaf spring and the upper surface of the central part of the leaf spring that is pressed by the pressing member have the shape of an arc which in side view is downwardly convex, and the radius of curvature of the bottom surface of the pressing member is greater than that of the top surface of the central part of the leaf spring.
BOGIE FOR ROLLING STOCK
2015-08-05
Patent
Electronic Resource
English
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 |
BOGIE FOR ROLLING STOCK AND ROLLING STOCK COMPRISING SAID BOGIE
European Patent Office | 2016
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