公开(公告)号：US20230294746A1

公开(公告)日：2023-09-21

申请号：US17757029

申请日：2020-07-23

申请人： CRRC MEISHAN CO., LTD.

发明人： Rui ZHANG ,  Chang WU ,  Ji ZHU ,  Yungui WANG ,  Dong LI ,  Xianfeng ZHANG ,  Hanjiang LUO ,  Jun LIAO ,  Jiale LI ,  Chengli FENG ,  Jun YANG ,  Guangcai ZHANG

IPC分类号： B61F5/38 ,  B61F5/52

CPC分类号： B61F5/38 ,  B61F5/52

摘要： An underneath type railway freight car bogie wheelset radial device has front and rear subframes and two cross-arranged connecting rods that are pinned by round pin connectors. The subframe is a combination structure of the adapter and the lateral arm. The connecting rods are arranged under the bolster to form the underneath bogie wheelset radial structure. The height of the central plane of the connecting rod is lower than the height of the central plane of the subframe adapter surface. The adapter has an adapter surface forming an arc-shaped adapter structure and an adapter connecting arm integrated with the adapter surface structure and vertically arranged at one end of the adapter surface; the subframes are fixed to the adapter by the rivet assembly.

公开(公告)号：US20230018010A1

公开(公告)日：2023-01-19

申请号：US17757018

申请日：2020-07-23

申请人： CRRC MEISHAN CO., LTD.

发明人： Jun LIAO ,  Ji ZHU ,  Jun YANG ,  Chang WU ,  Xianfeng ZHANG ,  Dong LI ,  Hanjiang LUO ,  Rui ZHANG ,  Guangcai ZHANG ,  Chengli FENG ,  Yungui WANG ,  Jiale LI ,  Bing LIU ,  Lin XIE ,  Zhi XU

IPC分类号： B61F15/20 ,  B61F5/30

摘要： A railway self-generating express freight car bogie has a wheel-axle assembly, frame, journal box suspension device, bolster, foundation brake, side bearing, empty/load auto-adjustment equipment, central suspension device, longitudinal traction device, vertical damper and lateral damper. An axle-end generator is connected at the outer end of an axle of the wheel-axle assembly, the rotor part of the axle-end generator is connected to the end bearing of the wheel-axle assembly by the axle-end bolts, and the stator part is connected to the mount of the journal box suspension devices. The bogie is designed according to the zero-wear concept, and a large number of rubber components and hydraulic dampers are used to improve the lateral stability, linear stability and curve passing performance of the car, so that the bogie is highly adaptable to railway lines, and can meet the operating requirements within 160 km/h and reduce the workload of bogie operation and maintenance.