ZA793836B - Hydraulic control means - Google Patents

Hydraulic control means

Info

Publication number
ZA793836B
ZA793836B ZA00793836A ZA793836A ZA793836B ZA 793836 B ZA793836 B ZA 793836B ZA 00793836 A ZA00793836 A ZA 00793836A ZA 793836 A ZA793836 A ZA 793836A ZA 793836 B ZA793836 B ZA 793836B
Authority
ZA
South Africa
Prior art keywords
control means
hydraulic control
hydraulic
control
Prior art date
Application number
ZA00793836A
Other languages
English (en)
Inventor
W Weirich
H Rosenberg
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 ZA793836B publication Critical patent/ZA793836B/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)
  • Lining And Supports For Tunnels (AREA)
  • Actuator (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Earth Drilling (AREA)
ZA00793836A 1978-07-27 1979-07-26 Hydraulic control means ZA793836B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2832875A DE2832875C2 (de) 1978-07-27 1978-07-27 Hydraulische Steuerung für eine an der Kappe oder am Bruchschild eines Ausbaugliedes einseitig angeordnete Spaltabdeck- und Ausrichtvorrichtung

Publications (1)

Publication Number Publication Date
ZA793836B true ZA793836B (en) 1980-08-27

Family

ID=6045464

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00793836A ZA793836B (en) 1978-07-27 1979-07-26 Hydraulic control means

Country Status (11)

Country Link
US (1) US4306822A (cs)
AU (1) AU525349B2 (cs)
CS (1) CS226710B2 (cs)
DE (1) DE2832875C2 (cs)
ES (1) ES482866A1 (cs)
FR (1) FR2432084A1 (cs)
GB (1) GB2026582B (cs)
HU (1) HU182485B (cs)
PL (1) PL120422B1 (cs)
SU (1) SU948296A3 (cs)
ZA (1) ZA793836B (cs)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3110220A1 (de) * 1981-03-17 1982-10-07 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Hydraulische, insbesondere elektro-hydraulische ausbausteuerung fuer untertaegige gewinnungsbetriebe
US4432673A (en) * 1981-04-25 1984-02-21 Dowty Mining Equipment Limited Mine roof support
DE3237719A1 (de) * 1982-10-12 1984-04-12 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Einrichtung zur steuerung einer hangendkappe in abhaengigkeit einer schiebekappe
DE8318615U1 (de) * 1983-06-28 1983-11-03 Klöckner-Becorit GmbH, 4620 Castrop-Rauxel Richtzylinder fuer den schildausbau
DE102004017712B4 (de) * 2003-05-14 2019-05-09 Tiefenbach Control Systems Gmbh Hydrauliksteuerung für den Strebausbau
DE102011101087A1 (de) * 2010-05-13 2012-03-01 Tiefenbach Control Systems Gmbh Steuereinrichtung einer Ausbaueinheit im Streb eines Bergwerks
DE102010026977B4 (de) * 2010-07-13 2016-06-02 Marco Systemanaslyse Und Entwicklung Gmbh Verfahren zur Schildsteuerung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2032208C3 (de) * 1970-06-30 1986-06-19 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Hydraulisch wandernde Ausbaugestelle
HU162717B (cs) * 1971-03-05 1973-04-28
US3728863A (en) * 1971-09-14 1973-04-24 Gewerk Eisenhuette Westfalia Mine roof support assemblies
US3837170A (en) * 1972-03-06 1974-09-24 Banyaszati Kutato Intezet Sealing and position rectifying mechanism for shield supports
US4010618A (en) * 1974-01-19 1977-03-08 Dowty Mining Equipment Limited Mine roof support
GB1504883A (en) * 1974-06-04 1978-03-22 Gullick Dobson Ltd Mine roof supports
GB1516637A (en) * 1974-11-23 1978-07-05 Gullick Dobson Ltd Mine roof supports

Also Published As

Publication number Publication date
DE2832875A1 (de) 1980-02-14
AU525349B2 (en) 1982-11-04
HU182485B (en) 1984-01-30
PL120422B1 (en) 1982-02-27
AU4913179A (en) 1980-01-31
SU948296A3 (ru) 1982-07-30
CS226710B2 (en) 1984-04-16
PL217375A1 (cs) 1980-04-08
FR2432084B1 (cs) 1985-01-04
US4306822A (en) 1981-12-22
ES482866A1 (es) 1980-04-16
GB2026582B (en) 1982-05-12
FR2432084A1 (fr) 1980-02-22
DE2832875C2 (de) 1985-11-07
GB2026582A (en) 1980-02-06

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