CS247163B2 - Device for hydraulic control of mine advancing support's section - Google Patents
Device for hydraulic control of mine advancing support's section Download PDFInfo
- Publication number
- CS247163B2 CS247163B2 CS833224A CS322483A CS247163B2 CS 247163 B2 CS247163 B2 CS 247163B2 CS 833224 A CS833224 A CS 833224A CS 322483 A CS322483 A CS 322483A CS 247163 B2 CS247163 B2 CS 247163B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- cylinder
- pressure
- piston
- control
- space
- Prior art date
Links
- 239000012530 fluid Substances 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims description 20
- 238000006073 displacement reaction Methods 0.000 abstract description 8
- 230000002787 reinforcement Effects 0.000 description 16
- 238000010276 construction Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241001116389 Aloe Species 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 235000011399 aloe vera Nutrition 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 238000003260 vortexing Methods 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
-
- 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
- E21D23/18—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices of advancing mechanisms
- E21D23/22—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices of advancing mechanisms incorporated in mine caps
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)
- Actuator (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3217391 | 1982-05-08 | ||
| DE3304982A DE3304982C2 (de) | 1982-05-08 | 1983-02-12 | Hydraulische Steuerung für ein Schreitausbaugestell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS247163B2 true CS247163B2 (en) | 1986-12-18 |
Family
ID=25801681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS833224A CS247163B2 (en) | 1982-05-08 | 1983-05-06 | Device for hydraulic control of mine advancing support's section |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4465408A (fr) |
| CS (1) | CS247163B2 (fr) |
| DE (1) | DE3304982C2 (fr) |
| FR (1) | FR2526480B1 (fr) |
| GB (1) | GB2119841B (fr) |
| HU (1) | HU188277B (fr) |
| PL (1) | PL140385B1 (fr) |
| SU (1) | SU1396973A3 (fr) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2576059A2 (fr) * | 1982-12-22 | 1986-07-18 | Gewerk Eisenhuette Westfalia | Dispositif de commande des verins de chapeaux coulissants d'unites de soutenements marchants hydrauliques |
| DE3518162C1 (de) * | 1985-05-21 | 1986-04-24 | Bochumer Eisenhütte Heintzmann GmbH & Co KG, 4630 Bochum | Vorrichtung zur UEberwachung des Gleichlaufs eines Rueckzylinders und eines Kappen-Schiebezylinders |
| DE3540531C1 (de) * | 1985-11-15 | 1987-01-08 | Hemscheidt Maschf Hermann | Wechselventil fuer hydraulischen Schreitausbau |
| DE3605236A1 (de) * | 1986-02-19 | 1987-08-20 | Gewerk Eisenhuette Westfalia | Steuereinrichtung fuer untertaegige ausbaueinheiten |
| US4773795A (en) * | 1986-08-08 | 1988-09-27 | Klockner-Becorit Gmbh | Roof cap assembly with supporting cylinders for roof support mechanism |
| DE3825276A1 (de) * | 1988-07-26 | 1990-04-05 | Kloeckner Becorit Gmbh | Verfahren und vorrichtung zum entlasten, ruecken und setzen eines schildausbaugestells |
| GB9004181D0 (en) * | 1990-02-23 | 1990-04-18 | Gullick Dobson Ltd | Mine roof supports and components therefor |
| DE20307308U1 (de) * | 2003-05-09 | 2003-07-03 | Dbt Autom Gmbh | Steuergerät für den untertägigen Bergbau |
| DE102006059040A1 (de) * | 2006-12-14 | 2008-06-19 | Voss, Wolfgang | Vorrichtung zur Druckerhöhung in Zylindern mit Schalteinrichtung |
| DE102007035848C5 (de) * | 2007-07-31 | 2018-11-15 | Marco Systemanalyse Und Entwicklung Gmbh | Ausbauschild und Verfahren zur Steuerung oder Positionsbestimmung eines Ausbauschildes |
| US8985699B2 (en) | 2013-03-14 | 2015-03-24 | Seneca Industries Inc. | Mining methods and equipment |
| CN103573281B (zh) * | 2013-08-30 | 2016-06-08 | 中国矿业大学 | 一种液压支架电液控制系统 |
| DE102015102444B4 (de) * | 2015-02-20 | 2017-01-12 | Marco Systemanalyse Und Entwicklung Gmbh | Verfahren und Vorrichtung zur Bestimmung der Schwenkstellung einer Vorpfändkappe |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2159249B1 (fr) * | 1971-11-13 | 1978-03-03 | Kloeckner Werke Ag | |
| DE2917609C2 (de) * | 1979-05-02 | 1985-12-19 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Einrichtung zur Steuerung der Vorpfändkappen eines Schreitausbaus in Abhängigkeit vom Abbaufortschritt |
| DE2921926A1 (de) * | 1979-05-30 | 1980-12-04 | Johannes Winkler | Steuerung fuer strebausbaueinheiten |
| DE3000866C2 (de) * | 1980-01-11 | 1982-06-16 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal | Hydraulische Steuerung für ein Schreitausbaugestell |
| DE3002818C2 (de) * | 1980-01-26 | 1984-02-23 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Einrichtung zur Steuerung hydraulischer Vorschubzylinder, insbesondere für den Vorschub von Schiebekappen eines Schreitausbaus |
| DE3015411C2 (de) * | 1980-04-22 | 1982-10-28 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal | Stempelsteuerung |
| GB2101662B (en) * | 1981-07-16 | 1984-09-05 | Dowty Mining Equipment Ltd | }hydraulically-operated devices} |
-
1983
- 1983-02-12 DE DE3304982A patent/DE3304982C2/de not_active Expired
- 1983-04-29 US US06/490,529 patent/US4465408A/en not_active Expired - Fee Related
- 1983-05-02 FR FR8307274A patent/FR2526480B1/fr not_active Expired
- 1983-05-04 GB GB08312173A patent/GB2119841B/en not_active Expired
- 1983-05-06 CS CS833224A patent/CS247163B2/cs unknown
- 1983-05-06 HU HU831573A patent/HU188277B/hu not_active IP Right Cessation
- 1983-05-06 SU SU833590067A patent/SU1396973A3/ru active
- 1983-05-08 PL PL1983241869A patent/PL140385B1/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE3304982A1 (de) | 1983-11-24 |
| HUT34573A (en) | 1985-03-28 |
| GB8312173D0 (en) | 1983-06-08 |
| DE3304982C2 (de) | 1984-09-13 |
| HU188277B (en) | 1986-03-28 |
| PL241869A1 (en) | 1984-01-16 |
| FR2526480A1 (fr) | 1983-11-10 |
| PL140385B1 (en) | 1987-04-30 |
| SU1396973A3 (ru) | 1988-05-15 |
| GB2119841A (en) | 1983-11-23 |
| US4465408A (en) | 1984-08-14 |
| GB2119841B (en) | 1986-01-22 |
| FR2526480B1 (fr) | 1987-04-17 |
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