CN204457782U - Remove the high-pressure water injection device of fracture slide type rockburst risk - Google Patents
Remove the high-pressure water injection device of fracture slide type rockburst risk Download PDFInfo
- Publication number
- CN204457782U CN204457782U CN201520007473.4U CN201520007473U CN204457782U CN 204457782 U CN204457782 U CN 204457782U CN 201520007473 U CN201520007473 U CN 201520007473U CN 204457782 U CN204457782 U CN 204457782U
- Authority
- CN
- China
- Prior art keywords
- pressure water
- water injection
- steel pipe
- high pressure
- injecting drilling
- 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.)
- Withdrawn - After Issue
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
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Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520007473.4U CN204457782U (en) | 2015-01-05 | 2015-01-05 | Remove the high-pressure water injection device of fracture slide type rockburst risk |
Applications Claiming Priority (1)
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CN201520007473.4U CN204457782U (en) | 2015-01-05 | 2015-01-05 | Remove the high-pressure water injection device of fracture slide type rockburst risk |
Publications (1)
Publication Number | Publication Date |
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CN204457782U true CN204457782U (en) | 2015-07-08 |
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Family Applications (1)
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CN201520007473.4U Withdrawn - After Issue CN204457782U (en) | 2015-01-05 | 2015-01-05 | Remove the high-pressure water injection device of fracture slide type rockburst risk |
Country Status (1)
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CN (1) | CN204457782U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104533430A (en) * | 2015-01-05 | 2015-04-22 | 中国电建集团华东勘测设计研究院有限公司 | Breakage and slippage type rockburst risk relieving high-pressure water injection device and construction method of breakage and slippage type rockburst risk relieving high-pressure water injection device |
CN110512588A (en) * | 2019-08-13 | 2019-11-29 | 安徽理工大学 | A kind of guard method across mining area surface tension crack belt protection zone |
-
2015
- 2015-01-05 CN CN201520007473.4U patent/CN204457782U/en not_active Withdrawn - After Issue
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104533430A (en) * | 2015-01-05 | 2015-04-22 | 中国电建集团华东勘测设计研究院有限公司 | Breakage and slippage type rockburst risk relieving high-pressure water injection device and construction method of breakage and slippage type rockburst risk relieving high-pressure water injection device |
CN110512588A (en) * | 2019-08-13 | 2019-11-29 | 安徽理工大学 | A kind of guard method across mining area surface tension crack belt protection zone |
CN110512588B (en) * | 2019-08-13 | 2021-05-25 | 安徽理工大学 | Protection method for tension fracture belt type protection zone crossing mine surface |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Liu Ning Inventor after: Zhou Xiaoming Inventor after: Fang Dunmin Inventor after: Wang Hengle Inventor before: Liu Ning Inventor before: Zhou Xiaoming Inventor before: Fang Guomin Inventor before: Wang Hengle |
|
COR | Change of bibliographic data | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20150708 Effective date of abandoning: 20161005 |
|
AV01 | Patent right actively abandoned |
Granted publication date: 20150708 Effective date of abandoning: 20161005 |
|
C25 | Abandonment of patent right or utility model to avoid double patenting |