Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ASSEMBLABLE BALLASTLESS TRACK STRUCTURE, AND LONGITUDINAL CONNECTION STRUCTURE THEREOF AND ASSEMBLY METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/051684
Kind Code:
A1
Abstract:
A longitudinal connection structure of an assemblable sleeper slab-type or track slab-type ballastless track structure, a ballastless track structure comprising the longitudinal connection structure, and an assembly method for the ballastless track structures. Pre-embedded longitudinal steel bars (102) are longitudinally connected by means of an extrusion sleeve (104), mating ends of the two longitudinal steel bars (102) are respectively inserted into two ends of the extrusion sleeve (104), and under the extrusion of a portable extruder, the extrusion sleeve (104) is deformed and tightly locked. The longitudinal connection structure can improve the accuracy during on-site laying construction, facilitate disassembly and installation, reduce construction difficulties, and improve on-site construction speed; in addition, the longitudinal connection structure has a simple structure, and facilitates the positioning of a sleeper slab or a track slab.

More Like This:
Inventors:
WANG SENRONG (CN)
SUN LI (CN)
LOU HUIBIN (CN)
LI QIUYI (CN)
SUN JIALIANG (CN)
ZHANG JIE (CN)
ZHAN CAIJUAN (CN)
QUAN SHUNXI (CN)
WEI HEDAO (CN)
Application Number:
CN2019/126062
Publication Date:
March 25, 2021
Filing Date:
December 17, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
CN RAILWAY SIYUAN SURVEY & DES (CN)
CHINA RAILWAY CONSTRUCTION CORP LTD (CN)
International Classes:
E01B1/00; E01B27/00
Foreign References:
CN108914716A2018-11-30
CN108914716A2018-11-30
CN207660184U2018-07-27
CN107859246A2018-03-30
CN108914714A2018-11-30
CN108914714A2018-11-30
CN208995840U2019-06-18
CN208995840U2019-06-18
CN108914713A2018-11-30
CN108914713A2018-11-30
CN108914715A2018-11-30
CN108914715A2018-11-30
CN109707107A2019-05-03
CN206070254U2017-04-05
CN207091836U2018-03-13
CN206129799U2017-04-26
DE202006017671U12008-03-27
JP2013091957A2013-05-16
Attorney, Agent or Firm:
CHINA PAT INTELLECTUAL PROPERTY OFFICE (Zhongguancun Intellectual Property Building Block B, No. 21, Haidian South Road, Haidian District, Beijing 0, CN)
Download PDF: