JPS57161298A - Control mechanism for oil pressure, especially, electric-oil pressure type support for underground coal mining - Google Patents

Control mechanism for oil pressure, especially, electric-oil pressure type support for underground coal mining

Info

Publication number
JPS57161298A
JPS57161298A JP57040969A JP4096982A JPS57161298A JP S57161298 A JPS57161298 A JP S57161298A JP 57040969 A JP57040969 A JP 57040969A JP 4096982 A JP4096982 A JP 4096982A JP S57161298 A JPS57161298 A JP S57161298A
Authority
JP
Japan
Prior art keywords
oil pressure
electric
control mechanism
type support
coal mining
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.)
Pending
Application number
JP57040969A
Other languages
English (en)
Japanese (ja)
Inventor
Roozenberuku Harii
Uairitsuhi Uaruteru
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Publication of JPS57161298A publication Critical patent/JPS57161298A/ja
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/08—Guiding the machine
    • E21C35/12—Guiding the machine along a conveyor for the cut material
    • E21C35/14—Equipment for pressing the conveyor towards the working face
    • 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

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)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Lining And Supports For Tunnels (AREA)
JP57040969A 1981-03-17 1982-03-17 Control mechanism for oil pressure, especially, electric-oil pressure type support for underground coal mining Pending JPS57161298A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813110220 DE3110220A1 (de) 1981-03-17 1981-03-17 Hydraulische, insbesondere elektro-hydraulische ausbausteuerung fuer untertaegige gewinnungsbetriebe

Publications (1)

Publication Number Publication Date
JPS57161298A true JPS57161298A (en) 1982-10-04

Family

ID=6127489

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57040969A Pending JPS57161298A (en) 1981-03-17 1982-03-17 Control mechanism for oil pressure, especially, electric-oil pressure type support for underground coal mining

Country Status (7)

Country Link
JP (1) JPS57161298A (enrdf_load_stackoverflow)
AU (1) AU544025B2 (enrdf_load_stackoverflow)
DE (1) DE3110220A1 (enrdf_load_stackoverflow)
ES (1) ES510539A0 (enrdf_load_stackoverflow)
FR (1) FR2502241B1 (enrdf_load_stackoverflow)
GB (1) GB2094864B (enrdf_load_stackoverflow)
ZA (1) ZA821609B (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3530657C2 (de) * 1985-08-28 1995-03-16 Westfalia Becorit Ind Tech Vorrichtung zum Ansteuern hydraulischer, im untertägigen Bergbau eingesetzter Verbraucher
CN101205811B (zh) * 2007-08-21 2010-12-22 哈尔滨工业大学深圳研究生院 一种液压支架电液控制系统及其阀控装置、控制方法
PL2378059T3 (pl) * 2010-04-16 2013-05-31 S A Armstrong Ltd Usprawnienia dotyczące układów zasilania hydraulicznego przodka ścianowego
CN103291342A (zh) * 2013-06-17 2013-09-11 黄竹磬 一种可实现液压支架远距离供液的管路系统
CN107013246A (zh) * 2017-05-26 2017-08-04 余之水 一种防止卸载管脱落的乳化液泵站
CN108999818A (zh) * 2018-09-29 2018-12-14 宁波精壹机械制造有限公司 一种掘进机液压系统

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB961225A (en) * 1961-06-12 1964-06-17 Electro Hydraulics Ltd Hydraulically operated advancing roof support systems
GB1123975A (en) * 1964-10-12 1968-08-14 Dowty Electrics Ltd Hydraulically-operated advancing mine roof supports
DE1963353A1 (de) * 1969-12-18 1971-06-24 Gewerk Eisenhuette Westfalia Hubsteuerung eines Rueckzylinders
DE2038661B2 (de) * 1970-08-04 1978-08-03 Gewerkschaft Eisenhuette Westfalia, 4670 Luenen Hydraulische Ausbausteuerung
DE2240607C3 (de) * 1972-08-18 1979-04-12 Robert Bosch Gmbh, 7000 Stuttgart Elektrohydraulisch« Steuereinrichtung
DE2258423C3 (de) * 1972-11-29 1980-11-13 Gewerkschaft Eisenhuette Westfalia, 4670 Luenen Einrichtung zum Rücken der Führung einer Gewinnungsmaschine o.dgl. für Bergbau-Gewinnungsbetriebe, mit dosierter Beaufschlagung der Rückzylinder
US3858606A (en) * 1973-08-23 1975-01-07 Ross Operating Valve Co Safety control valve system for fluid actuated devices
DE2558323C2 (de) * 1975-12-23 1981-03-12 Siemens AG, 1000 Berlin und 8000 München Einrichtung zur handbetätigten Notabschaltung eines Förderbandes im Bergbau unter Tage
DE2707630A1 (de) * 1977-02-23 1978-08-24 Orenstein & Koppel Ag Elektronisch gesteuerte rohrbruchsicherung
DE2749312C2 (de) * 1977-11-04 1984-12-20 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Steuereinrichtung mit Nachsetzautomatik für einen hydraulischen Stempelausbau
DE2756240C2 (de) * 1977-12-16 1985-12-19 Technomatic AG, Aesch, Luzern Sicherheitsventil für druckmittelbetriebene Verbraucher
DE2832875C2 (de) * 1978-07-27 1985-11-07 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Hydraulische Steuerung für eine an der Kappe oder am Bruchschild eines Ausbaugliedes einseitig angeordnete Spaltabdeck- und Ausrichtvorrichtung

Also Published As

Publication number Publication date
DE3110220C2 (enrdf_load_stackoverflow) 1989-06-08
AU544025B2 (en) 1985-05-16
DE3110220A1 (de) 1982-10-07
AU8124482A (en) 1982-09-23
ES8303604A1 (es) 1983-02-01
GB2094864B (en) 1984-07-18
ZA821609B (en) 1983-01-26
FR2502241A1 (fr) 1982-09-24
ES510539A0 (es) 1983-02-01
GB2094864A (en) 1982-09-22
FR2502241B1 (fr) 1987-05-07

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