SU797601A3 - Гидравлическое устройство дл управ-лЕНи пЕРЕдВигАЕМыХ СЕКций КРЕпи ВшАХТАХ - Google Patents
Гидравлическое устройство дл управ-лЕНи пЕРЕдВигАЕМыХ СЕКций КРЕпи ВшАХТАХ Download PDFInfo
- Publication number
- SU797601A3 SU797601A3 SU711685101A SU1685101A SU797601A3 SU 797601 A3 SU797601 A3 SU 797601A3 SU 711685101 A SU711685101 A SU 711685101A SU 1685101 A SU1685101 A SU 1685101A SU 797601 A3 SU797601 A3 SU 797601A3
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- props
- valve
- control
- ram
- servo
- Prior art date
Links
- 239000003245 coal Substances 0.000 claims 1
- 238000005065 mining Methods 0.000 claims 1
- 230000000712 assembly Effects 0.000 abstract 3
- 238000000429 assembly Methods 0.000 abstract 3
- 230000000694 effects Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 5
- 210000000056 organ Anatomy 0.000 description 4
- 239000012530 fluid Substances 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001172 regenerating effect Effects 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
- E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
- E21D23/0073—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices with advancing shifting devices connected therewith
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87096—Valves with separate, correlated, actuators
- Y10T137/87121—Coaxial stems
- Y10T137/87129—Rotary
- Y10T137/87137—And reciprocating
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)
- Multiple-Way Valves (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702038661 DE2038661B2 (de) | 1970-08-04 | 1970-08-04 | Hydraulische Ausbausteuerung |
DE19702038663 DE2038663C3 (de) | 1970-08-04 | 1970-08-04 | Hydraulische Steuervorrichtung für rückbare Ausbaueinheiten in Form von Rahmen, Böcken u.dgl. |
DE19702049869 DE2049869C3 (de) | 1970-10-10 | 1970-10-10 | Steuergerät, insbesondere für hydraulische Grubenausbaugespanne |
Publications (1)
Publication Number | Publication Date |
---|---|
SU797601A3 true SU797601A3 (ru) | 1981-01-15 |
Family
ID=27182794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU711685101A SU797601A3 (ru) | 1970-08-04 | 1971-07-29 | Гидравлическое устройство дл управ-лЕНи пЕРЕдВигАЕМыХ СЕКций КРЕпи ВшАХТАХ |
Country Status (4)
Country | Link |
---|---|
US (1) | US3821880A (enrdf_load_stackoverflow) |
GB (1) | GB1381303A (enrdf_load_stackoverflow) |
PL (1) | PL73754B1 (enrdf_load_stackoverflow) |
SU (1) | SU797601A3 (enrdf_load_stackoverflow) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4159671A (en) * | 1974-08-20 | 1979-07-03 | Allen Archelaius D | Self-advancing mine roof supports |
GB1531246A (en) * | 1975-07-29 | 1978-11-08 | Gullick Dobson Ltd | Mine roof support control systems |
JPS53114704A (en) * | 1977-02-28 | 1978-10-06 | Taiheiyo Eng | Operating device of selfftravelling frame* etc* |
DE2733270C2 (de) * | 1977-07-22 | 1984-07-19 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Ausbausteuerung für einen schreitenden hydraulischen Ausbau |
DE2745631B1 (de) * | 1977-10-11 | 1979-02-08 | Hemscheidt Maschf Hermann | Mehrfachsteuergeraet fuer hydraulischen Schreitausbau |
DE2807431C2 (de) * | 1978-02-22 | 1986-10-23 | Bochumer Eisenhütte Heintzmann GmbH & Co, 4630 Bochum | Steuereinrichtung für die mit einem hydraulischen Arbeitsmedium beaufschlagbaren Verbraucher eines Ausbaugestells im untertägigen Grubenausbau |
DE3012883A1 (de) * | 1980-04-02 | 1981-10-15 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Baueigene steuereinheit fuer elektrohydraulische ausbausteuerungen |
DE3110854C2 (de) * | 1981-03-20 | 1983-01-20 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal | Steuervorrichtung für eine Folgesteuerung von Schreitausbaugestellen |
DE3206555A1 (de) * | 1982-02-24 | 1983-09-01 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal | 3/2-wegeventil |
GB2142074B (en) * | 1983-06-21 | 1987-04-23 | Dobson Park Ind | Control of mine roof supports |
DE3825276A1 (de) * | 1988-07-26 | 1990-04-05 | Kloeckner Becorit Gmbh | Verfahren und vorrichtung zum entlasten, ruecken und setzen eines schildausbaugestells |
CN103256064B (zh) * | 2013-05-14 | 2016-04-06 | 天地科技股份有限公司 | 一种放顶煤液压支架智能控制放煤方法 |
CN105178991B (zh) * | 2015-09-18 | 2017-05-17 | 安徽宸瑞节能环保科技工程有限公司 | 一种矿用液压支撑装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2827924A (en) * | 1952-03-15 | 1958-03-25 | Electraulic Presses Ltd | Control valves |
US3002571A (en) * | 1957-06-21 | 1961-10-03 | Ford Motor Co | Hydraulic system for tractors |
US3228199A (en) * | 1962-05-30 | 1966-01-11 | Dowty Mining Equipment Ltd | Mining apparatus |
GB1065881A (en) * | 1963-03-08 | 1967-04-19 | Coal Ind | Mine roof support remote control systems |
GB1016061A (en) * | 1963-04-04 | 1966-01-05 | Dowty Technical Dev Ltd | Mine roof support |
DE1426480B2 (de) * | 1964-09-18 | 1971-06-16 | Dormer AG, 7990 Fnednchshafen | Anlage fuer die steuerung hydraulischer stellmotoren |
DE1201286B (de) * | 1965-01-21 | 1965-09-23 | Gewerk Eisenhuette Westfalia | Rueckbarer hydraulischer Strebausbau |
GB1164822A (en) * | 1966-01-28 | 1969-09-24 | Coal Industry Patents Ltd | Improvements in the Control of Advanceable Conveyors used in Mines |
US3451428A (en) * | 1966-11-14 | 1969-06-24 | J C Pemberton | Multi-throw valve |
FR1562062A (enrdf_load_stackoverflow) * | 1967-02-02 | 1969-04-04 | ||
DE1277787B (de) * | 1967-03-30 | 1968-09-19 | Bergwerksverband Gmbh | Einrichtung zur Zeitplansteuerung von hydraulischem Grubenausbau |
-
1971
- 1971-07-29 SU SU711685101A patent/SU797601A3/ru active
- 1971-07-30 US US16783271 patent/US3821880A/en not_active Expired - Lifetime
- 1971-08-02 PL PL1971149795A patent/PL73754B1/pl unknown
- 1971-08-04 GB GB3670871A patent/GB1381303A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
PL73754B1 (enrdf_load_stackoverflow) | 1974-10-30 |
GB1381303A (en) | 1975-01-22 |
US3821880A (en) | 1974-07-02 |
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