CA1138303A - Hydraulic control apparatus for controlling the operation of mine roof support props - Google Patents

Hydraulic control apparatus for controlling the operation of mine roof support props

Info

Publication number
CA1138303A
CA1138303A CA000348972A CA348972A CA1138303A CA 1138303 A CA1138303 A CA 1138303A CA 000348972 A CA000348972 A CA 000348972A CA 348972 A CA348972 A CA 348972A CA 1138303 A CA1138303 A CA 1138303A
Authority
CA
Canada
Prior art keywords
pressure
valve device
prop
working chamber
setting
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.)
Expired
Application number
CA000348972A
Other languages
English (en)
French (fr)
Inventor
Klaus Beckmann
Hans-Theodor 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
Priority to CA000409547A priority Critical patent/CA1142414A/en
Application granted granted Critical
Publication of CA1138303A publication Critical patent/CA1138303A/en
Expired 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)
CA000348972A 1979-04-12 1980-04-01 Hydraulic control apparatus for controlling the operation of mine roof support props Expired CA1138303A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000409547A CA1142414A (en) 1979-04-12 1982-08-16 Hydraulic control apparatus for controlling the operation of mine roof support props

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP2914884.3 1979-04-12
DE19792914884 DE2914884A1 (de) 1979-04-12 1979-04-12 Einrichtung zum setzen hydraulischer grubenstempel mit hoher und gleichmaessiger setzkraft

Publications (1)

Publication Number Publication Date
CA1138303A true CA1138303A (en) 1982-12-28

Family

ID=6068183

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000348972A Expired CA1138303A (en) 1979-04-12 1980-04-01 Hydraulic control apparatus for controlling the operation of mine roof support props

Country Status (8)

Country Link
AU (1) AU533562B2 (ru)
BE (1) BE882725A (ru)
CA (1) CA1138303A (ru)
DE (1) DE2914884A1 (ru)
FR (1) FR2455673B2 (ru)
GB (2) GB2047316B (ru)
PL (1) PL125322B1 (ru)
ZA (1) ZA802130B (ru)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3128279A1 (de) * 1981-07-17 1983-02-03 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Nachsetzsteuerung fuer einen hydraulischen stempelausbau sowie hydraulisch ansteuerbares rueckschlagventil
DE3212747A1 (de) * 1982-04-06 1983-10-06 Gewerk Eisenhuette Westfalia Einrichtung zur hubsteuerung einer zylinddergruppe eines hydraulischen ausbausystems, insbesondere zum setzen der stempel einer schreitausbaueinheit
DE3301674C1 (de) * 1983-01-20 1984-01-05 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Steuerung fuer hydraulische Stempel von Schreitausbaugestellen
GB2137314B (en) * 1983-03-26 1986-07-23 Dobson Park Ind Valve for mine support
PL146170B1 (en) * 1984-12-10 1989-01-31 Ct Kt Maszyn Gorniczych Komag Apparatus for changing curability and mineablity of a mineral deposit
DE3546278C1 (de) * 1985-12-28 1987-07-02 Bergwerksverband Gmbh Nachsetzsteuerung fuer den Strebausbau
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 (zh) * 2014-01-21 2014-05-07 焦作欣扬程煤矿设备有限公司 侧摆移位立式压缸机

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 (de) * 1967-10-21 1969-03-06 Gewerk Eisenhuette Westfalia Stempel fuer den Ausbau bzw. zur Abspannung im Streb/Streckenuebergang
DE1750834A1 (de) * 1968-06-10 1971-04-29 Gewerk Eisenhuette Westfalia UEberdruckventilpatrone mit Kolben-O-Ring-Dichtung
DE2146502C3 (de) * 1971-09-17 1982-04-29 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Ventilanordnung zum Setzen hydraulischer Grubenstempel mit hoher Setzkraft
DE2749312C2 (de) * 1977-11-04 1984-12-20 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Steuereinrichtung mit Nachsetzautomatik für einen hydraulischen Stempelausbau
DE2803283C2 (de) * 1978-01-26 1992-12-10 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Überdruckventil für hydraulische Grubenstempel

Also Published As

Publication number Publication date
PL125322B1 (en) 1983-04-30
GB2047316A (en) 1980-11-26
BE882725A (fr) 1980-07-31
AU5710080A (en) 1980-10-16
ZA802130B (en) 1981-05-27
GB2096223A (en) 1982-10-13
FR2455673A2 (fr) 1980-11-28
PL223346A1 (ru) 1981-01-30
DE2914884C2 (ru) 1987-05-14
AU533562B2 (en) 1983-12-01
GB2047316B (en) 1983-04-20
DE2914884A1 (de) 1980-10-30
GB2096223B (en) 1983-05-11
FR2455673B2 (fr) 1987-05-07

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Legal Events

Date Code Title Description
MKEX Expiry