公开(公告)号：US11964679B2

公开(公告)日：2024-04-23

申请号：US17044235

申请日：2019-09-30

申请人： CRRC Nanjing Puzhen Co., Ltd.

发明人： Juxing Liang ,  Xingwen Wang ,  Yunchuan Li ,  Yongjun Li ,  Wenjie Huang ,  Changping Zhu

IPC分类号： B61F1/10

CPC分类号： B61F1/10

摘要： An underframe end structure without a bolster beam for a rail vehicle, including an underframe end beam, an underframe edge beam, a coupler mounting base, coupler support beams, and oblique support beams, where the 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, so that quadrilateral frame structures are respectively formed on the two sides of the coupler mounting base, 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.