公开(公告)号：US20190248385A1

公开(公告)日：2019-08-15

申请号：US16335227

申请日：2017-02-28

Applicant: BYD COMPANY LIMITED

Inventor： Daolin LI ,  Huiyue LIU ,  Zhicheng TAN ,  Qihua FENG

IPC: B61F5/52

CPC classification number: B61F5/52 ,  B61B13/04 ,  B61F5/02

Abstract: The present disclosure provides a bogie frame, a bogie assembly and a rail vehicle. The bogie frame includes a bogie body, the bogie body being substantially rectangular and including a first connecting beam, a second connecting beam, a third connecting beam and a fourth connecting beam which are sequentially connected end to end, where the first connecting beam is opposite to the third connecting beam, the second connecting beam is opposite to the fourth connecting beam, an electric assembly mounting groove is formed in the fourth connecting beam, the thickness of the fourth connecting beam is greater than the thickness of the second connecting beam, and the top wall of the first connecting beam and the top wall of the third connecting beam are connected between the top wall of the second connecting beam and the top wall of the fourth connecting beam in an arc shape.