LOW-FLOOR ROLLING STOCK AND LOW-FLOOR ROLLING STOCK PROVIDED THEREWITH

摘要

Disclosed is a low-floor rolling stock provided with: a rolling stock frame having a pair of left and right side beams having, relative to the length of the rolling stock, a front part, a center part and a rear part, the center part of which is positioned lower than the front part and the rear part thereof, and cross beams that connect the center parts of the pair of side beams; a pair of front and back axle beams separate from the rolling stock frame that extend in the width direction of the rolling stock to the front and rear of the cross beam; independent wheels supported by the left- and right-side parts of the axle beams allowing rotation; primary suspensions that elastically connect the front part and the rear part of the side beams to the left- and right-side parts of the axle beams; and secondary suspensions provided on the upper surfaces of each of the front part and the rear part of the side beams.