Title:
BULLET TRAIN GAUGE-CHANGEABLE BOGIE FOR RAILWAY VEHICLE
Document Type and Number:
WIPO Patent Application WO/2019/196353
Kind Code:
A1
Abstract:
Disclosed is a bullet train gauge-changeable bogie for a railway vehicle, comprising a frame, wherein a wheel-mounted brake disc (100) is mounted on a wheel (10) of a gauge-changeable wheel set, a side beam (20) or a cross beam of the frame is provided with a brake clamp (1) and a mounting seat (2), and the brake clamp (1) is connected to the mounting seat (2) via a support pin (3). The support pin (3) is horizontally arranged underneath the mounting seat (2) and both ends of the support pin are fixedly connected to the mounting seat (2), a connecting sleeve is arranged at one end of the brake clamp (1), and the connecting sleeve is internally sheathed, in a fastening manner, with a damping inner sleeve (4) having elastic dampings. The connecting sleeve is locked onto the support pin (3) through the damping inner sleeve (4), and when the thrust on the connecting sleeve is greater than the damping force between the connecting sleeve and the support pin (3), the connecting sleeve drives the brake clamp (1) to move along the support pin (3).
Inventors:
QIAO QINGFENG (CN)
ZHOU PINGYU (CN)
WANG XU (CN)
MA LIJUN (CN)
ZHANG ZHENXIAN (CN)
ZHOU PINGYU (CN)
WANG XU (CN)
MA LIJUN (CN)
ZHANG ZHENXIAN (CN)
Application Number:
PCT/CN2018/107815
Publication Date:
October 17, 2019
Filing Date:
September 27, 2018
Export Citation:
Assignee:
CRRC QINGDAO SIFANG CO LTD (CN)
International Classes:
B61F5/50; B61F7/00; B61H5/00
Foreign References:
| CN108515981A | 2018-09-11 | |||
| CN108515981A | 2018-09-11 | |||
| CN108407840A | 2018-08-17 | |||
| CN107521519A | 2017-12-29 | |||
| US3974780A | 1976-08-17 |
Other References:
See also references of EP 3778339A4
Attorney, Agent or Firm:
CN-KNOWHOW INTELLECTUAL PROPERTY AGENT LIMITED (CN)
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