BOGIE FOR LOW FLOOR TYPE RAILWAY VEHICLE AND LOW FLOOR TYPE RAILWAY VEHICLE WITH THE SAME

摘要

[problem] A low-floor car body is provided while maintaining an accuracy of a distance between right and left wheels. [Solving means] A low-floor railway vehicle bogie 1 of the present invention comprises a bogie frame configured to support a car body of a railway vehicle, a main axle and a sub-axle which are disposed at front and rear sides of the bogie frame in a driving direction, respectively such that the main axle and the sub-axle extend in a rightward and leftward direction, wheels attached to right and left sides of each of the main axle and the sub-axle, axle boxes which are mounted to right and left sides of each of the main axle and the sub-axle and are configured to support the axle; and axle box suspensions which are configured to elastically couple the axle boxes to the bogie frame to support the axle boxes, respectively; wherein the wheels attached to the main axle are large-diameter wheels and the wheels attached to the sub-axle are small-diameter wheels which have a smaller diameter than the large-diameter wheels.