| 摘要 |
PROBLEM TO BE SOLVED: To provide a railway vehicle bogie which can be steered while employing a leaf spring.SOLUTION: A railway vehicle bogie 100 includes: a cross beam 31 which supports the body 101 of a railway vehicle; wheels 10 which are aligned in a longitudinal direction of the vehicle and arranged on both lateral sides; a pair of front and back axles which connect the wheels 10 and which are arranged at the front and rear in the longitudinal direction along the vehicle width direction, across the cross beam 31; bearings 12 provided on both lateral sides of the axles and rotatably supporting the axles; axle boxes 20 which are connected to the cross beam 31 via an elastic member and which house the bearings 12; a leaf spring 40 which extends in the vehicle longitudinal direction while supporting both lateral ends of the cross beam 31 and has both longitudinal ends supported by the axle boxes 20; linking members 65 extending in the vehicle longitudinal direction and having one end connected to an axle box 20; and a drive unit 61 to which the other end of the linking member 65 is connected, which displaces the linking members 65 in the vehicle longitudinal direction on the basis of track information stored in advance, and changes the distance between the axles. |
