CN216240713U - 减缓巷道顶板回转下沉速率的掩护式支架 - Google Patents
减缓巷道顶板回转下沉速率的掩护式支架 Download PDFInfo
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- 230000008093 supporting effect Effects 0.000 claims abstract description 54
- 230000007306 turnover Effects 0.000 abstract 1
- 239000003245 coal Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 238000005065 mining Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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CN202122990028.2U CN216240713U (zh) | 2021-12-01 | 2021-12-01 | 减缓巷道顶板回转下沉速率的掩护式支架 |
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Effective date of registration: 20240430 Address after: 635711 Office Building, 1st Floor, No. 410 Tong'an Road, Xiaohezui Community, Sanliping Street, Dachuan District, Dazhou City, Sichuan Province Patentee after: Xiaohezui coal mine of Sichuan Chuanmei Huarong Energy Co.,Ltd. Country or region after: China Address before: 411100, No.2, Shitou, Yuhu District, Xiangtan City, Hunan Province Patentee before: HUNAN University OF SCIENCE AND TECHNOLOGY Country or region before: China |