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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
发明人： GUO, Jixiang , ZHANG, Xiaojun , LI, Dehua , LU, Quan , LI, Hui , DONG, Lei , FANG, Jianguo
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.
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公开(公告)号：EP3473515A1
公开(公告)日：2019-04-24
申请号：EP16906095.1
申请日：2016-10-20
发明人： ZHANG, Lixin , QIN, Chengwei , LI, Dehua , CAO, Shun , CHEN, Jingwei
IPC分类号： B61F5/04
摘要： The present invention discloses a frame for a bogie, comprising two side beams parallel to each other and a transverse beam connected to the middles of the side beams, wherein the middle of the transverse beam is provided with a traction pin hole, and an upper surface of the transverse beam is provided with a plurality of mounting seats for mounting a secondary suspension. The frame of a bogie of the present invention is provided with a traction pin hole formed at the center of the transverse beam so that the transverse beam is connected to the bolster through the traction pin hole so as to bear a traction force, and a plurality of mounting seats for mounting the secondary suspension are arranged on an upper surface of the transverse beam, so that the secondary suspension can bear a rotation movement between the bogie and the vehicle body to improve curve passing capability of the vehicle.
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