ZA844666B - Control systems - Google Patents

Control systems

Info

Publication number
ZA844666B
ZA844666B ZA844666A ZA844666A ZA844666B ZA 844666 B ZA844666 B ZA 844666B ZA 844666 A ZA844666 A ZA 844666A ZA 844666 A ZA844666 A ZA 844666A ZA 844666 B ZA844666 B ZA 844666B
Authority
ZA
South Africa
Prior art keywords
control systems
systems
control
Prior art date
Application number
ZA844666A
Other languages
English (en)
Inventor
Richard Ward
Archelaius Dawson Allen
Original Assignee
Dobson Park Ind
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 Dobson Park Ind filed Critical Dobson Park Ind
Publication of ZA844666B publication Critical patent/ZA844666B/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
    • E21D23/12—Control, e.g. using remote 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
    • E21D23/12—Control, e.g. using remote control
    • E21D23/14—Effecting automatic sequential movement of supports, e.g. one behind the other
    • E21D23/148—Wireless transmission of signals or commands

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)
  • Computer Networks & Wireless Communication (AREA)
  • Fluid-Pressure Circuits (AREA)
ZA844666A 1983-06-21 1984-06-20 Control systems ZA844666B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08316838A GB2142074B (en) 1983-06-21 1983-06-21 Control of mine roof supports

Publications (1)

Publication Number Publication Date
ZA844666B true ZA844666B (en) 1986-02-26

Family

ID=10544560

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA844666A ZA844666B (en) 1983-06-21 1984-06-20 Control systems

Country Status (6)

Country Link
US (1) US4692067A (de)
AU (1) AU568367B2 (de)
DE (1) DE3423042A1 (de)
FR (1) FR2557918B1 (de)
GB (1) GB2142074B (de)
ZA (1) ZA844666B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2141597B (en) * 1983-06-14 1987-02-11 Dobson Park Ind Electrically operated valve
GB2188703B (en) * 1986-04-03 1990-03-21 Dobson Park Ind Valves
DE3715586C1 (de) * 1987-05-09 1988-09-22 Gewerkschaft Eisenhuette Westfalia Gmbh, 4670 Luenen, De
DE3715593C1 (de) * 1987-05-09 1988-09-15 Gewerkschaft Eisenhuette Westfalia Gmbh, 4670 Luenen, De
DE3730711A1 (de) * 1987-09-12 1989-03-23 Bochumer Eisen Heintzmann Elektro-hydraulische programmfolgesteuerung
DE3827559C1 (de) * 1988-08-13 1989-09-07 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal, De
DE4202246B4 (de) * 1991-01-31 2004-03-04 Tiefenbach Bergbautechnik Gmbh Gewinnungseinrichtung
DE4243289C1 (de) * 1992-12-21 1994-02-17 Hemscheidt Maschf Hermann Steuergerät für ein hydraulisches Schreitausbaugestell
DE20307308U1 (de) * 2003-05-09 2003-07-03 Dbt Autom Gmbh Steuergerät für den untertägigen Bergbau
CN102383819A (zh) * 2011-11-22 2012-03-21 郑州煤矿机械集团股份有限公司 经济实用型液压支架控制器
CN104141506B (zh) * 2014-07-15 2016-01-20 青岛本末岩控技术有限公司 一种强烈矿压显现综采放顶煤工作面的矿压控制方法
RU2691793C2 (ru) * 2014-08-28 2019-06-18 ДЖОЙ ГЛОБАЛ АНДЕРГРАУНД МАЙНИНГ ЭлЭлСи Мониторинг крепления кровли в системе сплошной разработки

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB798414A (en) * 1954-10-28 1958-07-23 Hunt & Mitton Ltd Improvements in control mechanism for hydraulically operated equipment
GB961225A (en) * 1961-06-12 1964-06-17 Electro Hydraulics Ltd Hydraulically operated advancing roof support systems
GB1016061A (en) * 1963-04-04 1966-01-05 Dowty Technical Dev Ltd Mine roof support
GB1023827A (en) * 1963-06-21 1966-03-23 Dowty Mining Equipment Ltd Roof support assembly
DE1201286B (de) * 1965-01-21 1965-09-23 Gewerk Eisenhuette Westfalia Rueckbarer hydraulischer Strebausbau
DE1212473B (de) * 1965-06-03 1966-03-17 Bergwerksverband Gmbh Verfahren zum automatischen Ruecken und Setzen von Ausbaurahmen
DE1289012C2 (de) * 1967-03-30 1973-04-05 Bergwerksverband Gmbh Einrichtung zur Zeitplansteuerung von hydraulischem Grubenausbau
GB1239833A (en) * 1967-05-31 1971-07-21 Bergwerksverband Gmbh A control system for reorientating longwall faces in mine workings
SU797601A3 (ru) * 1970-08-04 1981-01-15 Геверкшафт Эйзенхютте Вестфалия (Фирма) Гидравлическое устройство дл управ-лЕНи пЕРЕдВигАЕМыХ СЕКций КРЕпи ВшАХТАХ
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
GB1531246A (en) * 1975-07-29 1978-11-08 Gullick Dobson Ltd Mine roof support control systems
DE2700829C2 (de) * 1977-01-11 1986-04-17 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Hydraulische Ausbausteuerung
DE2851937C2 (de) * 1978-12-01 1986-05-28 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Steuerventil, insbesondere für einen hydraulischen Schreitausbau in Bergbaubetrieben
US4226558A (en) * 1979-02-16 1980-10-07 Fletcher Sutcliffe Wild Limited Control system
DE3045452C1 (de) * 1980-12-02 1982-07-01 Siemens AG, 1000 Berlin und 8000 München Anordnung zur Steuerung eines schreitenden Ausbaus im Bergbau unter Tage

Also Published As

Publication number Publication date
FR2557918A1 (fr) 1985-07-12
GB8316838D0 (en) 1983-07-27
AU568367B2 (en) 1987-12-24
DE3423042A1 (de) 1985-01-10
US4692067A (en) 1987-09-08
FR2557918B1 (fr) 1988-09-23
GB2142074A (en) 1985-01-09
AU2976084A (en) 1985-01-03
DE3423042C2 (de) 1989-07-20
GB2142074B (en) 1987-04-23

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