CN110230509B - 一种用于煤矿工作面顶板的支撑装置 - Google Patents
一种用于煤矿工作面顶板的支撑装置 Download PDFInfo
- Publication number
- CN110230509B CN110230509B CN201910650547.9A CN201910650547A CN110230509B CN 110230509 B CN110230509 B CN 110230509B CN 201910650547 A CN201910650547 A CN 201910650547A CN 110230509 B CN110230509 B CN 110230509B
- Authority
- CN
- China
- Prior art keywords
- base
- steel pipe
- working face
- lifting rod
- fixing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003245 coal Substances 0.000 title claims abstract description 34
- 210000000078 claw Anatomy 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 78
- 239000010959 steel Substances 0.000 claims description 78
- 230000000694 effects Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 238000005065 mining Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/58—Devices for setting props or chocks
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
- E21D17/10—Details of mine caps for engaging the tops of pit-props, with or without retaining-plates; Retaining-plates
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910650547.9A CN110230509B (zh) | 2019-07-18 | 2019-07-18 | 一种用于煤矿工作面顶板的支撑装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910650547.9A CN110230509B (zh) | 2019-07-18 | 2019-07-18 | 一种用于煤矿工作面顶板的支撑装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110230509A CN110230509A (zh) | 2019-09-13 |
CN110230509B true CN110230509B (zh) | 2022-01-25 |
Family
ID=67855946
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201910650547.9A Expired - Fee Related CN110230509B (zh) | 2019-07-18 | 2019-07-18 | 一种用于煤矿工作面顶板的支撑装置 |
Country Status (1)
Country | Link |
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CN (1) | CN110230509B (zh) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1159961A (en) * | 1965-10-04 | 1969-07-30 | Wild A G & Co Ltd | Improvements in Hydraulic Roof Supports for use in Mines |
US7975986B2 (en) * | 2007-05-03 | 2011-07-12 | 2111091 Ontario Ltd. | All-air vehicle lifting jack |
CN205422786U (zh) * | 2016-03-21 | 2016-08-03 | 诸暨市双姣制冷配件有限公司 | 一种可调节机械支撑架 |
CN206668305U (zh) * | 2017-04-11 | 2017-11-24 | 义马煤业集团孟津煤矿有限责任公司 | 一种煤矿综采工作面液压升降台 |
CN108772946A (zh) * | 2018-05-02 | 2018-11-09 | 河海大学 | 预应力混凝土预制箱梁顶板钢筋绑扎的托架装置 |
CN209053627U (zh) * | 2018-11-28 | 2019-07-02 | 张晓赟 | 一种煤矿井下支护支架抬移式组合顶梁液压支架 |
CN210564587U (zh) * | 2019-07-18 | 2020-05-19 | 陕西正通煤业有限责任公司 | 一种用于煤矿工作面顶板的支撑装置 |
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2019
- 2019-07-18 CN CN201910650547.9A patent/CN110230509B/zh not_active Expired - Fee Related
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CN110230509A (zh) | 2019-09-13 |
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SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Liu Yexian Inventor after: Zhang Yunqiang Inventor after: Liu Dongxu Inventor after: Ren Dengjun Inventor after: Sun Yayue Inventor after: Wang Qingzhen Inventor after: Huo Chao Inventor after: Xing Jiebo Inventor after: Huang Hefei Inventor after: Liang Xidong Inventor after: Li Jinlong Inventor before: Liu Yexian Inventor before: Zhang Yunqiang Inventor before: Liu Dongxu Inventor before: Ren Dengjun Inventor before: Sun Yayue Inventor before: Wang Qingzhen Inventor before: Huo Chao Inventor before: Criminal Jiebo Inventor before: Huang Hefei Inventor before: Liang Xidong Inventor before: Li Jinlong |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220125 |