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Title:
HIGH-SPEED MAGLEV BRIDGE LARGE-DISPLACEMENT EXTENSION AND RETRACTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/121340
Kind Code:
A1
Abstract:
Disclosed is a high-speed maglev bridge large-displacement extension and retraction device, which is characterized in that: a unique long stator track unit module system is constructed and comprises a cross beam unit and a long stator track assembly, so that segmentation of a stator iron core and continuous scalability of a long stator coil are achieved; the device can adapt to levitation, guiding, traction driving of a high-speed maglev train and traveling of emergency travel wheels at the same time, several brand-new sub-systems such as a longitudinal beam system, a fastener system, a longitudinal limiting system, a connecting rod system and a spring system are further designed, and large-displacement extension and retraction of high-speed maglev traffic are achieved. The device is not only suitable for a superposed beam solution, but also suitable for a pure track beam solution or a bridge solution of paving track slabs on a bridge; the structure is small in size, clear in structural stress and good in durability; by means of a synergistic effect of the connecting rod system and the spring system, a longitudinal gap between any two long stator track unit module systems can be equal in any extension and retraction state.

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Inventors:
GONG JUNHU (CN)
LIU WUBIN (CN)
FENG LIANG (CN)
YAN JUPING (CN)
ZHANG JIABING (CN)
ZHAI WANMING (CN)
ZHAO CHUNFA (CN)
Application Number:
PCT/CN2021/111031
Publication Date:
June 16, 2022
Filing Date:
August 05, 2021
Export Citation:
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Assignee:
CHINA RAILWAY MAGLEV TRANSP INVESTMENT CONSTRUCTION CO LTD (CN)
UNIV SOUTHWEST JIAOTONG (CN)
International Classes:
E01B25/30; E01D19/06
Foreign References:
CN112482210A2021-03-12
CN112482211A2021-03-12
CN109024107A2018-12-18
CN109024111A2018-12-18
CN109024106A2018-12-18
CN202298456U2012-07-04
DE3120822A11982-12-23
JP2010059627A2010-03-18
Attorney, Agent or Firm:
WUHAN DONGYU PATENT AGENCY (CN)
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