发明名称 BOGIE FRAME FOR RAILWAY VEHICLES
摘要 A bogie frame for railway vehicles includes a pair of left and right side frames disposed along a direction of rails and a cross frame that connects the side frames to each other, and the cross frame includes a top plate member, a bottom plate member, and a pair of front and rear side plate members that are disposed between these plate members and welded thereto, wherein the cross frame has mounting bracket support portions that extend from front and rear edges of the top plate member and the bottom plate member, correspondingly to locations where mounting brackets for mounting a traction motor and mounting brackets for mounting a gearbox are disposed, and the mounting brackets are welded to the mounting bracket support portions. This makes it possible to achieve good welding workability for assembling the bogie frame.
申请公布号 US2015151768(A1) 申请公布日期 2015.06.04
申请号 US201314400845 申请日期 2013.04.30
申请人 NIPPON STEEL & SUMITOMO METAL CORPORATION 发明人 Hagio Yoshinori;Sawada Masanori;Tokunaga Satoshi;Futagawa Kazuhiko
分类号 B61F5/52 主分类号 B61F5/52
代理机构 代理人
主权项 1. A bogie frame for railway vehicles, comprising: a pair of left and right side frames disposed along a direction of rails; and a cross frame that connects the side frames to each other, the cross frame comprising a top plate member, a bottom plate member, and a pair of front and rear side plate members that are disposed between the top plate member and the bottom plate member and welded thereto, wherein the cross frame has mounting bracket support portions that extend from front and rear edges of the top plate member and the bottom plate member, the mounting bracket support portions being located correspondingly to locations where mounting brackets for mounting a traction motor and mounting brackets for mounting a gearbox are disposed, and the mounting brackets are welded to the mounting bracket support portions.
地址 Chiyoda-ku, Tokyo JP