Title:
FRAME, BOGIE, AND RAIL VEHICLE
Document Type and Number:
WIPO Patent Application WO/2023/046139
Kind Code:
A1
Abstract:
A frame, a bogie, and a rail vehicle. The frame comprises two side beams and two cross beams connected between the two side beams; air springs of the bogie are mounted on the side beams; at least one auxiliary beam is connected between the two cross beams; the inner cavity of the auxiliary beam is divided into a first cavity and a second cavity; the first cavity is communicated with the inner cavity of one of the cross beams so as to jointly serve as an additional air chamber of one of the air springs, and the second cavity is communicated with the inner cavity of the other of the cross beams so as to jointly serve as an additional air chamber of the other of the air springs. In the present solution, the auxiliary beam of the bogie frame is used as a connecting member for connecting the front and rear two cross beams and is also divided into the first cavity and the second cavity, and the first cavity and the second cavity can be communicated with the inner cavities of the cross beams so as to serve as the additional air chambers of the air springs mounted on the bogie frame, such that the volume of the additional air chambers is increased, and the structure of the frame is simplified.
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Inventors:
DING SANSAN (CN)
GAO YULONG (CN)
SUN HOULI (CN)
WANG XIAOMING (CN)
ZHANG XIONGFEI (CN)
CHEN DONGFANG (CN)
WANG SHI (CN)
ZHANG LIANHE (CN)
XIAO PENG (CN)
ZHANG YI (CN)
RUAN DAWEI (CN)
GAO YULONG (CN)
SUN HOULI (CN)
WANG XIAOMING (CN)
ZHANG XIONGFEI (CN)
CHEN DONGFANG (CN)
WANG SHI (CN)
ZHANG LIANHE (CN)
XIAO PENG (CN)
ZHANG YI (CN)
RUAN DAWEI (CN)
Application Number:
PCT/CN2022/121225
Publication Date:
March 30, 2023
Filing Date:
September 26, 2022
Export Citation:
Assignee:
CRRC QINGDAO SIFANG CO LTD (CN)
International Classes:
B61F5/52
Foreign References:
| CN114084184A | 2022-02-25 | |||
| CN114030499A | 2022-02-11 | |||
| CN113753092A | 2021-12-07 | |||
| JP2011255754A | 2011-12-22 | |||
| CN112026830A | 2020-12-04 | |||
| CN112026819A | 2020-12-04 | |||
| JP2007112304A | 2007-05-10 | |||
| JP2006015820A | 2006-01-19 | |||
| JP2012176653A | 2012-09-13 |
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW CO., LTD. (CN)
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