Patent classifications
B61F5/526
Railcar bogie
A railcar bogie includes a wheelset, a bearing rotatably supporting the wheelset, an axle box, and an obstacle deflector. The wheelset includes: an axle and a pair of wheels provided at both car width direction sides of the axle. The axle box includes: an upper axle box element covering the bearing from above; and a lower axle box element fixed to the upper axle box element and covering the bearing from below. The obstacle deflector includes an obstacle deflecting portion and a coupling portion. The obstacle deflecting portion is arranged at one side of the wheel in a car longitudinal direction and, when viewed from the one side in the car longitudinal direction, overlaps the wheel. The coupling portion couples the obstacle deflecting portion to the axle box. The coupling portion of the obstacle deflector is fixed to a receiving seat provided at the upper axle box element.
RAILCAR BOGIE
A railcar bogie includes a wheelset, a bearing rotatably supporting the wheelset, an axle box, and an obstacle deflector. The wheelset includes: an axle and a pair of wheels provided at both car width direction sides of the axle. The axle box includes: an upper axle box element covering the bearing from above; and a lower axle box element fixed to the upper axle box element and covering the bearing from below. The obstacle deflector includes an obstacle deflecting portion and a coupling portion. The obstacle deflecting portion is arranged at one side of the wheel in a car longitudinal direction and, when viewed from the one side in the car longitudinal direction, overlaps the wheel. The coupling portion couples the obstacle deflecting portion to the axle box. The coupling portion of the obstacle deflector is fixed to a receiving seat provided at the upper axle box element.
BOGIE FRAME FOR A RAILWAY VEHICLE
A bogie frame for a railway vehicle, the bogie frame including structural members defining the frame, and one or more reinforcing components joining the structural members, the or each reinforcing component including: a first fibre-reinforced plastic layer having spaced first and second end portions, the first end portion attaching to a first structural member of the bogie frame, and the second end portion attaching to a second structural member of the bogie frame, wherein the first and second structural members are also joined together by one or more fastening bolts; and a second fibre-reinforced plastic layer disposed on a mid part of the first fibre-reinforced plastic layer between its first and second end portions such that the first and second end portions are left uncovered by the second fibre-reinforced plastic layer, wherein a central portion of the reinforcing component that is stronger than the first and second end portions.