Title:
GUIDE RAIL-BASED STEEL WIRE MESH TRANSPORT DEVICE FOR SOFT COAL SEAM WORKING SURFACE AND METHOD OF USING SAME
Document Type and Number:
WIPO Patent Application WO/2020/206864
Kind Code:
A1
Abstract:
A guide rail-based steel wire mesh transport device for a soft coal seam working surface comprises a hydraulic supporting frame (1) provided between a coal face (5) and a goaf (6); a guide rail (4) suspended under a front section of the hydraulic supporting frame (1); a steel wire mesh (2) laid over the hydraulic supporting frame (1), wherein a rear portion of the steel wire mesh (2) is fixed at a bottom portion of gangue in the goaf (6), a front portion of the steel wire mesh (2) extends forward along the hydraulic supporting frame, the front end of the steel wire mesh (2) passes around a face guard (11) at the front end of the hydraulic supporting frame (1) and is connected by means of a mesh fastener (3) to a steel wire mesh roll wound around the guide rail (4) Also disclosed is a method of using the steel wire mesh transport device, capable of improving the efficiency of spreading a steel wire mesh.
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Inventors:
WANG LEI (CN)
YUAN QIUPENG (CN)
ZHU CHUANQI (CN)
YUAN QIUPENG (CN)
ZHU CHUANQI (CN)
Application Number:
PCT/CN2019/096403
Publication Date:
October 15, 2020
Filing Date:
July 17, 2019
Export Citation:
Assignee:
UNIV ANHUI SCI & TECHNOLOGY (CN)
International Classes:
E21D19/00
Foreign References:
| CN109882220A | 2019-06-14 | |||
| CN106401623A | 2017-02-15 | |||
| CN103266903A | 2013-08-28 | |||
| CN106285692A | 2017-01-04 | |||
| RU2131976C1 | 1999-06-20 |
Attorney, Agent or Firm:
HEFEI XINGDONG INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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