AU5710080A - Hydraulic control of mine props - Google Patents

Hydraulic control of mine props

Info

Publication number
AU5710080A
AU5710080A AU57100/80A AU5710080A AU5710080A AU 5710080 A AU5710080 A AU 5710080A AU 57100/80 A AU57100/80 A AU 57100/80A AU 5710080 A AU5710080 A AU 5710080A AU 5710080 A AU5710080 A AU 5710080A
Authority
AU
Australia
Prior art keywords
hydraulic control
mine props
props
mine
hydraulic
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.)
Granted
Application number
AU57100/80A
Other versions
AU533562B2 (en
Inventor
Klaus Beckmann
Hans-Theodore Grisebach
Walter Weirich
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 AU5710080A publication Critical patent/AU5710080A/en
Application granted granted Critical
Publication of AU533562B2 publication Critical patent/AU533562B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • 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)
  • Safety Valves (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Presses (AREA)
AU57100/80A 1979-04-12 1980-04-02 Hydraulic control of mine props Ceased AU533562B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2914884A DE2914884C2 (en) 1979-04-12 1979-04-12 Control device for a hydraulic ram removal with associated automatic repositioning
DE29148843 1979-04-12

Related Child Applications (1)

Application Number Title Priority Date Filing Date
AU19134/83A Division AU554629B2 (en) 1979-04-12 1983-09-14 Hydraulic control apparatus

Publications (2)

Publication Number Publication Date
AU5710080A true AU5710080A (en) 1980-10-16
AU533562B2 AU533562B2 (en) 1983-12-01

Family

ID=6068183

Family Applications (1)

Application Number Title Priority Date Filing Date
AU57100/80A Ceased AU533562B2 (en) 1979-04-12 1980-04-02 Hydraulic control of mine props

Country Status (8)

Country Link
AU (1) AU533562B2 (en)
BE (1) BE882725A (en)
CA (1) CA1138303A (en)
DE (1) DE2914884C2 (en)
FR (1) FR2455673B2 (en)
GB (2) GB2096223B (en)
PL (1) PL125322B1 (en)
ZA (1) ZA802130B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU568634B2 (en) * 1983-03-26 1988-01-07 Dobson Park Industries Plc Valve for hydraulic mine roof support

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3128279A1 (en) * 1981-07-17 1983-02-03 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen ADJUSTMENT CONTROL FOR A HYDRAULIC STAMP EXTENSION AND HYDRAULICALLY CONTROLLED CHECK VALVE
DE3212747A1 (en) * 1982-04-06 1983-10-06 Gewerk Eisenhuette Westfalia DEVICE FOR STROKE CONTROL OF A CYLINDER GROUP OF A HYDRAULIC REMOVAL SYSTEM, IN PARTICULAR FOR SETTING THE STAMP OF A SCREAM REMOVAL UNIT
DE3301674C1 (en) * 1983-01-20 1984-01-05 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Control system for hydraulic stamps on walking frames
PL146170B1 (en) * 1984-12-10 1989-01-31 Ct Kt Maszyn Gorniczych Komag Apparatus for changing curability and mineablity of a mineral deposit
DE3546278C1 (en) * 1985-12-28 1987-07-02 Bergwerksverband Gmbh Repositioning control for longwall construction
DE3931625C1 (en) * 1989-09-22 1990-08-09 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal, De Underground mine roof support - maintains constant residual pressure during advance
GB9009859D0 (en) * 1990-05-02 1990-06-27 Meco Mining Equip A mine roof support
GB2274325B (en) * 1993-01-13 1996-04-03 Meco Mining Equip A yield valve
CN103775115A (en) * 2014-01-21 2014-05-07 焦作欣扬程煤矿设备有限公司 Side-sway shifting vertical pressure cylinder machine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1024167A (en) * 1964-02-14 1966-03-30 Dowty Mining Equipment Ltd Roof support assembly suitable for use in mines
GB1135942A (en) * 1964-12-07 1968-12-11 Groetschel Karl Maria Improvements relating to roof supports for mine workings
GB1180578A (en) * 1967-03-06 1970-02-04 Podmoskovny G Pk I Exi Gornogo Advancing Mine Roof Supports
DE1290109B (en) * 1967-10-21 1969-03-06 Gewerk Eisenhuette Westfalia Stamp for expansion or bracing in the face / route transition
DE1750834A1 (en) * 1968-06-10 1971-04-29 Gewerk Eisenhuette Westfalia Pressure relief valve cartridge with piston O-ring seal
DE2146502C3 (en) * 1971-09-17 1982-04-29 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Valve arrangement for setting hydraulic pit rams with high setting force
DE2749312C2 (en) * 1977-11-04 1984-12-20 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Control device with automatic repositioning for hydraulic ram removal
DE2803283C2 (en) * 1978-01-26 1992-12-10 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Pressure relief valve for hydraulic pit rams

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU568634B2 (en) * 1983-03-26 1988-01-07 Dobson Park Industries Plc Valve for hydraulic mine roof support

Also Published As

Publication number Publication date
GB2096223A (en) 1982-10-13
DE2914884C2 (en) 1987-05-14
AU533562B2 (en) 1983-12-01
PL125322B1 (en) 1983-04-30
ZA802130B (en) 1981-05-27
BE882725A (en) 1980-07-31
FR2455673A2 (en) 1980-11-28
GB2096223B (en) 1983-05-11
GB2047316A (en) 1980-11-26
DE2914884A1 (en) 1980-10-30
FR2455673B2 (en) 1987-05-07
CA1138303A (en) 1982-12-28
PL223346A1 (en) 1981-01-30
GB2047316B (en) 1983-04-20

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