The invention discloses a bogie frame which comprises side beams and a cross beam positioned between the side beams, wherein an air spring seat for mounting an air spring is arranged on each side beam; a main air chamber of the mounted air spring is positioned in an inner cavity of each side beam; the cross beam is of a hollow seamless steel tube structure; the frame also comprises a channel; the channel is used for communicating the main air chamber of each air spring with the cavity of the cross beam. According to the frame provided by the invention, the cavity of the cross beam is used as an additional air chamber of the air spring; the cross beam is of the hollow seamless steel tube structure and is good in air tightness, so the damping requirement of the high-speed train can be met.
Bogie for high-speed train and frame of bogie
2015-05-27
Patent
Electronic Resource
English
IPC: | B61F Untergestelle für Schienenfahrzeuge, z.B. Fahrgestellrahmen, Drehgestelle oder Anordnungen der Radsätze , RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES |