Patent ID: 11964679
Assignee: CRRC NANJING PUZHEN CO., LTD.
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. An underframe end structure without a bolster beam for a rail vehicle, comprising an underframe end beam, an underframe edge beam, a coupler mounting base, coupler support beams, and oblique support beams, wherein
a front of the coupler mounting base is connected to the underframe end beam through the oblique support beams,
two sides of the coupler mounting base are connected to the underframe edge beam through the coupler support beams to form quadrilateral frame structures on the two sides of the coupler mounting base, respectively,
the oblique support beams form an included angle of 55° to 80° with a forward opening, and
the coupler support beams form an included angle of 120° to 140° with a backward opening,
wherein a front of an oblique support beam of the oblique support beams is connected to the underframe edge beam through a front-end connecting plate on an outer side of the front of the oblique support beam.