Title:
AXLE BOX SUSPENSION DEVICE, BOGIE, AND RAILWAY WAGON
Document Type and Number:
WIPO Patent Application WO/2022/205914
Kind Code:
A1
Abstract:
An axle box suspension device, comprising an axle box (1), guide frames (2, 3) and a spring (4). The guide frames (2, 3) are located on two sides of the axle box (1); the axle box (1) is provided with a spring bearing portion (1-1); the spring (4) is located between the guide frames (2, 3) and the spring bearing portion (1-1); two swing blocks (6) and a spring vibration damping gear (5) are provided between at least one guide frame (2, 3) and the spring (4); the two swing blocks (6) are spaced apart side by side along the direction parallel to the axis of the axle box (1); each swing block (6) is tilted, the upper end thereof is rotatably matched with the guide frames (2, 3), and the lower end thereof inclines toward the axle box (1) and is rotatably matched with the spring vibration damping gear (5); a first friction surface (5-1) of the spring vibration damping gear (5) and a second friction surface (1-2) of the axle box (1) form a friction pair that can move relatively. Thus, the dynamic performance of a vehicle can be improved and the continuous stability of the dynamic performance of the vehicle can be ensured. Also provided are a bogie and a railway wagon.
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Inventors:
XU SHANCHAO (CN)
XU RANDI (CN)
ZHANG WENLONG (CN)
LI CHAO (CN)
XU SHIFENG (CN)
XU RANDI (CN)
ZHANG WENLONG (CN)
LI CHAO (CN)
XU SHIFENG (CN)
Application Number:
PCT/CN2021/128926
Publication Date:
October 06, 2022
Filing Date:
November 05, 2021
Export Citation:
Assignee:
CRRC QIQIHAR ROLLING STOCK CO LTD (CN)
International Classes:
B61F5/30; B61F3/02; B61F5/02; B61F5/12; B61F5/52
Domestic Patent References:
| WO2011082823A1 | 2011-07-14 | |||
| WO2001085521A1 | 2001-11-15 |
Foreign References:
| CN112918502A | 2021-06-08 | |||
| CN112849190A | 2021-05-28 | |||
| EP0035443A1 | 1981-09-09 | |||
| CN109910939A | 2019-06-21 | |||
| CN103481901A | 2014-01-01 | |||
| CN106184271A | 2016-12-07 | |||
| CN201347086Y | 2009-11-18 | |||
| US20050022689A1 | 2005-02-03 |
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (CN)
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