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Title:
GENERAL STEEL SLEEVE STRUCTURE OF MULTI-SPECIFICATION SHIELD MACHINE AND USE METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2024/016533
Kind Code:
A1
Abstract:
A general steel sleeve structure of a multi-specification shield machine and a use method thereof. The general steel sleeve structure comprises: a sleeve body (1) that is of a cylindrical structure having an opening end, a supporting frame (11) being provided at the bottom of the sleeve body (1); multiple telescopic mechanisms (2) that are provided on the inner wall of the sleeve body (1) in the circumferential direction, each telescopic mechanism (2) having one end fixed on the inner wall of the sleeve body (1) and the other end being a free end, and the telescopic mechanism (2) performing telescoping motion in the radial direction of the sleeve body (1); multiple airbags (3) that are provided on the inner wall of the sleeve body (1) in the circumferential direction, an air inflation device being provided to inflate the airbags (3); feed pipes (4) that enable the inside and outside of the sleeve body (1) to be communicated with each other and are used for feeding materials into the sleeve body (1); and a reaction frame (5) that is provided at one end of the sleeve body (1), the reaction frame (5) being of a triangular support structure as a whole.

Inventors:
WANG LIJUN (CN)
YU JINGTAO (CN)
CAO JUNWANG (CN)
SONG XIANGSHUAI (CN)
WU QUANLI (CN)
ZHANG HE (CN)
DAI ZHICHAO (CN)
HONG CHENGJING (CN)
XU CHAO (CN)
ZHONG HAN (CN)
ZHANG FEILEI (CN)
Application Number:
PCT/CN2022/132401
Publication Date:
January 25, 2024
Filing Date:
November 17, 2022
Export Citation:
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Assignee:
CHINA ROAD AND BRIDGE CORP (CN)
CCCC SECOND HARBOUR ENG CO LTD (CN)
International Classes:
E21D9/06
Foreign References:
CN115075835A2022-09-20
CN111911170A2020-11-10
CN114109406A2022-03-01
CN215860178U2022-02-18
JP2000257381A2000-09-19
Attorney, Agent or Firm:
BEIJING JINXIN CHENGTAI INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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