ZA7876B - A hydraulic roof support control system - Google Patents

A hydraulic roof support control system

Info

Publication number
ZA7876B
ZA7876B ZA00780076A ZA7876A ZA7876B ZA 7876 B ZA7876 B ZA 7876B ZA 00780076 A ZA00780076 A ZA 00780076A ZA 7876 A ZA7876 A ZA 7876A ZA 7876 B ZA7876 B ZA 7876B
Authority
ZA
South Africa
Prior art keywords
control system
support control
roof support
hydraulic roof
hydraulic
Prior art date
Application number
ZA00780076A
Other languages
English (en)
Inventor
W Weirich
M Dettmers
Original Assignee
Gewerk Eisenhuette Westfalia
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 Gewerk Eisenhuette Westfalia filed Critical Gewerk Eisenhuette Westfalia
Publication of ZA7876B publication Critical patent/ZA7876B/xx

Links

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)
ZA00780076A 1977-01-11 1978-01-06 A hydraulic roof support control system ZA7876B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2700829A DE2700829C2 (de) 1977-01-11 1977-01-11 Hydraulische Ausbausteuerung

Publications (1)

Publication Number Publication Date
ZA7876B true ZA7876B (en) 1978-11-29

Family

ID=5998435

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00780076A ZA7876B (en) 1977-01-11 1978-01-06 A hydraulic roof support control system

Country Status (10)

Country Link
US (1) US4327628A (US06826419-20041130-M00005.png)
AU (1) AU513162B2 (US06826419-20041130-M00005.png)
BE (1) BE862779A (US06826419-20041130-M00005.png)
CS (1) CS226170B2 (US06826419-20041130-M00005.png)
DE (1) DE2700829C2 (US06826419-20041130-M00005.png)
ES (1) ES465887A1 (US06826419-20041130-M00005.png)
FR (1) FR2376942A1 (US06826419-20041130-M00005.png)
GB (1) GB1579914A (US06826419-20041130-M00005.png)
PL (1) PL113874B1 (US06826419-20041130-M00005.png)
ZA (1) ZA7876B (US06826419-20041130-M00005.png)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2838374B1 (de) * 1978-09-02 1980-01-10 Hemscheidt Maschf Hermann Nachbarsteuerung fuer hydraulische Schreitausbaugestelle
DE3012291A1 (de) * 1980-03-29 1981-10-15 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Ansteuerventilvorrichtung, insbesondere fuer untertaegige ausbausteuerung
DE3014927A1 (de) * 1980-04-18 1981-10-29 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Ventilvorrichtung, insbesondere fuer ausbausteuerungen im untertage-bergbau
DE3024116C2 (de) * 1980-06-27 1985-02-14 Thyssen Industrie Ag, 4300 Essen Steuereinrichtung für Schreitausbau des untertägigen Bergbaus
GB2095425B (en) * 1981-02-25 1984-06-27 Dobson Park Ind Mine roof support control systems
DE3206555A1 (de) * 1982-02-24 1983-09-01 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal 3/2-wegeventil
GB2123117B (en) * 1982-07-06 1986-01-29 Dobson Park Ind Valve assemblies
GB2142074B (en) * 1983-06-21 1987-04-23 Dobson Park Ind Control of mine roof supports
US4564047A (en) * 1984-04-07 1986-01-14 Fletcher Sutcliffe Wild Limited Control valve
DE3608181C2 (de) * 1986-03-12 1995-01-05 Westfalia Becorit Ind Tech Versorgungsblock für den Anschluß hydraulischer Ausbaugestelle an die Versorgungsleitungen eines zentralen hydraulischen Versorgungssystems
GB2205346A (en) * 1987-05-23 1988-12-07 Gullick Dobson Ltd Control system for mine roof support
DE3840478C2 (de) * 1988-12-01 1996-05-15 Westfalia Becorit Ind Tech Einrichtung zur Notbetätigung hydraulischer Ausbaueinheiten bei elektrohydraulischen Ausbausteuerungen
DE4226682A1 (de) * 1992-08-12 1994-02-17 Festo Kg Verbindungsteil für ein Feldbus-System zur Ansteuerung von Magnetventilen bei Pneumatikanwendungen
DE20307308U1 (de) * 2003-05-09 2003-07-03 Dbt Autom Gmbh Steuergerät für den untertägigen Bergbau
DE102004017712B4 (de) * 2003-05-14 2019-05-09 Tiefenbach Control Systems Gmbh Hydrauliksteuerung für den Strebausbau
DE102010026977B4 (de) * 2010-07-13 2016-06-02 Marco Systemanaslyse Und Entwicklung Gmbh Verfahren zur Schildsteuerung
CN108468663B (zh) * 2018-05-31 2024-06-14 中石化四机石油机械有限公司 一种带压作业起升控制系统

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1032021A (en) * 1964-01-14 1966-06-08 Dowty Mining Equipment Ltd Advanceable roof support assembly
GB1114006A (en) * 1965-09-29 1968-05-15 Dowty Mining Equipment Ltd Roof support assembly suitable for use in mines
GB1112647A (en) * 1965-09-30 1968-05-08 Dowty Mining Equipment Ltd Roof support assembly suitable for use in mines
DE1583080A1 (de) * 1966-10-14 1970-04-23 Dowty Mining Equipment Ltd Grubendeckenausbau
DE1533720C3 (de) * 1967-05-31 1975-01-02 Bergwerksverband Gmbh, 4300 Essen Einrichtung zum Ausrichten oder zum Schwenken von Streben im Untertagebergbau
GB1261110A (en) * 1969-03-26 1972-01-19 Gullick Dobson Ltd Improvements in or relating to fluidic logic controlled hydraulic mine roof support systems
DE2032073C3 (de) * 1970-06-29 1978-09-21 Bayer Ag, 5090 Leverkusen Verfahren zur Gewinnung bzw. Herstellung von reinem Tetrachlorbisphenol A
DE2038661B2 (de) * 1970-08-04 1978-08-03 Gewerkschaft Eisenhuette Westfalia, 4670 Luenen Hydraulische Ausbausteuerung
DE2158230C3 (de) * 1971-11-24 1974-04-11 Westinghouse Bremsen- Und Apparatebau Gmbh, 3000 Hannover Hydraulische Steuereinrichtung
BE794193A (fr) * 1972-03-16 1973-05-16 Gewerk Eisenhuette Westfalia Systeme de commande sequentielle pour le ripage automatique d'un groupe d'elements de soutenement
BE795481A (fr) * 1972-09-14 1973-05-29 Gewerk Eisenhuette Westfalia Pile de soutenement pour exploitation minieres, comportant un bloc de commande hydraulique
US3958493A (en) * 1973-08-20 1976-05-25 Tokico Ltd. Multiple-stage actuating device
GB1517711A (en) * 1974-08-20 1978-07-12 Gullick Dobson Ltd Self-advancing mine roof supports
US4159671A (en) * 1974-08-20 1979-07-03 Allen Archelaius D Self-advancing mine roof supports
IT1047398B (it) * 1975-10-10 1980-09-10 Fiat Spa Impianto idraulico di frenatura con servofreno oleodinamico
US4072011A (en) * 1976-03-24 1978-02-07 The Bendix Corporation Hydraulic brake booster

Also Published As

Publication number Publication date
PL203938A1 (pl) 1978-11-06
FR2376942A1 (fr) 1978-08-04
GB1579914A (en) 1980-11-26
CS226170B2 (en) 1984-03-19
ES465887A1 (es) 1978-09-16
PL113874B1 (en) 1981-01-31
DE2700829A1 (de) 1978-07-20
FR2376942B1 (US06826419-20041130-M00005.png) 1982-12-10
US4327628A (en) 1982-05-04
AU513162B2 (en) 1980-11-20
AU3224578A (en) 1979-07-19
DE2700829C2 (de) 1986-04-17
BE862779A (fr) 1978-05-02

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