CN201306177Y - Filling and supporting hydraulic support with novel bar - Google Patents
Filling and supporting hydraulic support with novel bar Download PDFInfo
- Publication number
- CN201306177Y CN201306177Y CNU2008202306793U CN200820230679U CN201306177Y CN 201306177 Y CN201306177 Y CN 201306177Y CN U2008202306793 U CNU2008202306793 U CN U2008202306793U CN 200820230679 U CN200820230679 U CN 200820230679U CN 201306177 Y CN201306177 Y CN 201306177Y
- Authority
- CN
- China
- Prior art keywords
- jack
- back timber
- base
- filling
- tail boom
- 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 - Lifetime
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000002787 reinforcement Effects 0.000 claims description 13
- 239000003245 coal Substances 0.000 abstract description 9
- 238000005065 mining Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000005056 compaction Methods 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 238000010276 construction Methods 0.000 description 10
- 239000000945 filler Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/0481—Supports specially adapted for use in combination with the placing of filling-up materials
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008202306793U CN201306177Y (en) | 2008-12-09 | 2008-12-09 | Filling and supporting hydraulic support with novel bar |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008202306793U CN201306177Y (en) | 2008-12-09 | 2008-12-09 | Filling and supporting hydraulic support with novel bar |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201306177Y true CN201306177Y (en) | 2009-09-09 |
Family
ID=41098643
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2008202306793U Expired - Lifetime CN201306177Y (en) | 2008-12-09 | 2008-12-09 | Filling and supporting hydraulic support with novel bar |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201306177Y (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010066180A1 (en) * | 2008-12-09 | 2010-06-17 | 郑州四维机电设备制造有限公司 | Filling and supporting hudraulic support with tamping mechanism |
-
2008
- 2008-12-09 CN CNU2008202306793U patent/CN201306177Y/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010066180A1 (en) * | 2008-12-09 | 2010-06-17 | 郑州四维机电设备制造有限公司 | Filling and supporting hudraulic support with tamping mechanism |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: CATERPILLAR (ZHENGZHOU) CO., LTD. Free format text: FORMER NAME: ZHENGZHOU SIWEI ELECTROMECHANICAL EQUIPMENT MANUFACTURING CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: 450001 No. 7 shuttle Road, hi tech Industrial Development Zone, Henan, Zhengzhou Patentee after: Caterpillar (Zhengzhou) Co., Ltd. Address before: 450001 No. 7 shuttle Road, hi tech Industrial Development Zone, Henan, Zhengzhou Patentee before: Zhengzhou Siwei Electromechanical Equipment Manufacturing Co., Ltd. |
|
C35 | Partial or whole invalidation of patent or utility model | ||
IP01 | Partial invalidation of patent right |
Commission number: 5W106105 Conclusion of examination: Claim No. 200820230679.3 of the patent for utility model 1-2 is invalid, and the patent shall continue to be valid on the basis of claim 3-8. Decision date of declaring invalidation: 20140723 Decision number of declaring invalidation: 23355 Denomination of utility model: Filling and supporting hydraulic support with novel bar Granted publication date: 20090909 Patentee: Caterpillar (Zhengzhou) Co., Ltd. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20090909 |