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

Claim 9:
10. A rail vehicle, comprising an underframe end structure without a bolster beam for the rail vehicle, said underframe end structure including 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,
said underframe end structure further comprising a coupler connecting base and a traction beam, wherein the coupler connecting base is located behind the coupler mounting base, and the traction beam is located behind the coupler connecting base.