CN104169525B - 用于工作面支架的液压回路 - Google Patents
用于工作面支架的液压回路 Download PDFInfo
- Publication number
- CN104169525B CN104169525B CN201380016356.8A CN201380016356A CN104169525B CN 104169525 B CN104169525 B CN 104169525B CN 201380016356 A CN201380016356 A CN 201380016356A CN 104169525 B CN104169525 B CN 104169525B
- Authority
- CN
- China
- Prior art keywords
- pressure
- work surface
- valve
- valves
- pipeline
- 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
- 238000005065 mining Methods 0.000 claims abstract description 4
- 238000010992 reflux Methods 0.000 claims description 8
- 238000005086 pumping Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
- E21D23/26—Hydraulic or pneumatic control
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)
- Fluid-Pressure Circuits (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012003087 | 2012-02-18 | ||
DE102012003087.8 | 2012-02-18 | ||
PCT/DE2013/000053 WO2013120474A2 (de) | 2012-02-18 | 2013-01-30 | Hydraulische schaffung für den strebausbau |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104169525A CN104169525A (zh) | 2014-11-26 |
CN104169525B true CN104169525B (zh) | 2016-10-12 |
Family
ID=47845675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201380016356.8A Expired - Fee Related CN104169525B (zh) | 2012-02-18 | 2013-01-30 | 用于工作面支架的液压回路 |
Country Status (4)
Country | Link |
---|---|
CN (1) | CN104169525B (de) |
AU (1) | AU2013220787B2 (de) |
DE (1) | DE102013001581A1 (de) |
WO (1) | WO2013120474A2 (de) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1458672B1 (de) * | 1951-01-28 | 1970-02-26 | Becorit Grubenausbau Gmbh | Steuerung für einen wandernden hydraulischen Strebausbau |
DE1255613B (de) * | 1963-04-22 | 1967-12-07 | Dowty Mining Equipment Ltd | Wandernder Strebausbau |
DE1483906A1 (de) * | 1966-09-10 | 1970-07-23 | Konrad Grebe | Wandernder Strebausbau |
DE2838374B1 (de) * | 1978-09-02 | 1980-01-10 | Hemscheidt Maschf Hermann | Nachbarsteuerung fuer hydraulische Schreitausbaugestelle |
DE3128279A1 (de) * | 1981-07-17 | 1983-02-03 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Nachsetzsteuerung fuer einen hydraulischen stempelausbau sowie hydraulisch ansteuerbares rueckschlagventil |
DE3804848A1 (de) | 1988-02-17 | 1989-08-31 | Steinbrueck Peter | Steuergeraet fuer aufblasbare sitzeinlagen |
DE3840478C2 (de) * | 1988-12-01 | 1996-05-15 | Westfalia Becorit Ind Tech | Einrichtung zur Notbetätigung hydraulischer Ausbaueinheiten bei elektrohydraulischen Ausbausteuerungen |
DE102004017712B4 (de) * | 2003-05-14 | 2019-05-09 | Tiefenbach Control Systems Gmbh | Hydrauliksteuerung für den Strebausbau |
CN102713149B (zh) * | 2009-07-16 | 2015-04-01 | 迪芬巴赫控制系统股份有限公司 | 用于工作面支架的液压回路 |
-
2013
- 2013-01-30 WO PCT/DE2013/000053 patent/WO2013120474A2/de active Application Filing
- 2013-01-30 AU AU2013220787A patent/AU2013220787B2/en not_active Expired - Fee Related
- 2013-01-30 CN CN201380016356.8A patent/CN104169525B/zh not_active Expired - Fee Related
- 2013-01-30 DE DE201310001581 patent/DE102013001581A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE102013001581A1 (de) | 2013-08-22 |
AU2013220787B2 (en) | 2016-12-08 |
WO2013120474A3 (de) | 2014-05-22 |
WO2013120474A2 (de) | 2013-08-22 |
AU2013220787A1 (en) | 2014-09-18 |
CN104169525A (zh) | 2014-11-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 Termination date: 20180130 |
|
CF01 | Termination of patent right due to non-payment of annual fee |