公开(公告)号：EP3984854A1

公开(公告)日：2022-04-20

申请号：EP19932571.3

申请日：2019-11-12

申请人： CRRC TANGSHAN CO., LTD.

发明人： GUO, Jixiang ,  ZHANG, Xiaojun ,  LI, Dehua ,  LU, Quan ,  LI, Hui ,  DONG, Lei ,  FANG, Jianguo

IPC分类号： B61F5/52 ,  B61F5/26 ,  B61G9/20

摘要： A bogie, comprising: a wheel set, comprising an axle (210) and two wheels (220) which are sleeved and fixed to the outer peripheral surface of the axle (210); an axle box (300), comprising an axle box body (310) the cross section of which is door frame-shaped, and the axle box (300) is located on the axle (210) by means of a bottom opening in the axle box body (310), wherein a primary suspension system installation interface (311) is provided at the top part of the axle box body (310); and a primary suspension system, which is installed at the top part of the axle box body (310) by means of the primary suspension system installation interface (311) and capable of solving the technical problem of conventional bogies being heavy in weight.