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1. (WO2018133880) BOGIE OF EXPRESS RAILWAY WAGON

Pub. No.:    WO/2018/133880    International Application No.:    PCT/CN2018/075133
Publication Date: Fri Jul 27 01:59:59 CEST 2018 International Filing Date: Sat Feb 03 00:59:59 CET 2018
IPC: B61F 5/52
Applicants: CRRC YANGTZE CO., LTD.
中车长江车辆有限公司
Inventors: XU, Yong
徐勇
LIU, Fengwei
刘凤伟
JIANG, Ruijin
姜瑞金
WANG, Baolei
王宝磊
XIAO, Guangyi
肖光毅
LI, Ziming
李梓铭
ZHANG, Liangwei
张良威
LIU, Aiwen
刘爱文
LI, Qiaoneng
黎巧能
JIANG, Heyan
江荷燕
Title: BOGIE OF EXPRESS RAILWAY WAGON
Abstract:
Disclosed is a bogie of an express railway wagon. The bogie comprises a frame (200), four sets of revolving arm type axle box positioning devices (100), two sets of wheel pair components (500), a swing bolster (300) and a set of foundation brake devices (600). The frame further comprises a pair of arc-shaped longitudinal beams (280). A U-shaped cavity (244) in the middle of a frame side beam (240) is provided with a secondary rubber spring mounting platform (245). The swing bolster (300) uses a secondary rubber spring mounting base (360) of a forged piece to replace a welding structure. An axle box elastic suspension system (150) is provided with a primary rubber spring (154). The bogie is applicable to express railway wagons with a running speed of 140 km/h - 160 km/h and an axle load not greater than 18t.