PL210176A1 - Przyrzad sterujacy wielokrotny dla hydraulicznej obudowy kroczacej - Google Patents

Przyrzad sterujacy wielokrotny dla hydraulicznej obudowy kroczacej

Info

Publication number
PL210176A1
PL210176A1 PL21017678A PL21017678A PL210176A1 PL 210176 A1 PL210176 A1 PL 210176A1 PL 21017678 A PL21017678 A PL 21017678A PL 21017678 A PL21017678 A PL 21017678A PL 210176 A1 PL210176 A1 PL 210176A1
Authority
PL
Poland
Prior art keywords
housing
control unit
multiple control
trouble
hydraulic
Prior art date
Application number
PL21017678A
Other languages
English (en)
Original Assignee
Hemscheidt Maschf Hermann
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 Hemscheidt Maschf Hermann filed Critical Hemscheidt Maschf Hermann
Publication of PL210176A1 publication Critical patent/PL210176A1/pl

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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S60/00—Power plants
    • Y10S60/916—Unitary construction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/598—With repair, tapping, assembly, or disassembly means
    • Y10T137/6007—Assembling or disassembling multi way valve

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)
  • Valve Housings (AREA)
  • Transplanting Machines (AREA)
PL21017678A 1977-10-11 1978-10-10 Przyrzad sterujacy wielokrotny dla hydraulicznej obudowy kroczacej PL210176A1 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2745631A DE2745631B1 (de) 1977-10-11 1977-10-11 Mehrfachsteuergeraet fuer hydraulischen Schreitausbau

Publications (1)

Publication Number Publication Date
PL210176A1 true PL210176A1 (pl) 1979-07-16

Family

ID=6021148

Family Applications (1)

Application Number Title Priority Date Filing Date
PL21017678A PL210176A1 (pl) 1977-10-11 1978-10-10 Przyrzad sterujacy wielokrotny dla hydraulicznej obudowy kroczacej

Country Status (7)

Country Link
US (1) US4182585A (pl)
JP (1) JPS5462470A (pl)
CA (1) CA1106732A (pl)
DE (1) DE2745631B1 (pl)
FR (1) FR2406067A1 (pl)
GB (1) GB2005808A (pl)
PL (1) PL210176A1 (pl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2923534C2 (de) * 1979-06-09 1985-09-12 Mannesmann Rexroth GmbH, 8770 Lohr Gerät zum Steuern eines Druckmittels, insbesondere Mehrfachsteuergerät für hydraulischen Schreitausbau
GB2123117B (en) * 1982-07-06 1986-01-29 Dobson Park Ind Valve assemblies
GB2153971B (en) * 1984-02-08 1988-01-13 Dobson Park Ind Valve assembly

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215158A (en) * 1963-10-09 1965-11-02 Perfecting Service Company Stack valve assemblies with interchangeable components
DE1289012C2 (de) * 1967-03-30 1973-04-05 Bergwerksverband Gmbh Einrichtung zur Zeitplansteuerung von hydraulischem Grubenausbau
SU797601A3 (ru) * 1970-08-04 1981-01-15 Геверкшафт Эйзенхютте Вестфалия (Фирма) Гидравлическое устройство дл управ-лЕНи пЕРЕдВигАЕМыХ СЕКций КРЕпи ВшАХТАХ
DE2132981A1 (de) * 1971-07-02 1973-01-18 Gewerk Eisenhuette Westfalia Steuergeraet fuer hydraulische grubenausbaugespanne
DE2225196B2 (de) * 1972-05-24 1974-04-04 Bochumer Eisenhuette Heintzmann & Co, 4630 Bochum Steuergerät für den schreitenden Grubenausbau
US3906727A (en) * 1973-09-26 1975-09-23 Melvin Corp Hydrostatic drive with direction memory
US4049014A (en) * 1975-10-03 1977-09-20 Sperry Rand Corporation Power transmission
FR2346582A1 (fr) * 1976-04-02 1977-10-28 Bouteille Daniel Dispositif perfectionne de distribution pour une installation pneumatique
DE2640185C3 (de) * 1976-09-07 1986-07-10 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Mehrfachsteuergerät für hydraulischen Schreitausbau

Also Published As

Publication number Publication date
JPS5462470A (en) 1979-05-19
GB2005808A (en) 1979-04-25
DE2745631B1 (de) 1979-02-08
US4182585A (en) 1980-01-08
CA1106732A (en) 1981-08-11
FR2406067A1 (fr) 1979-05-11

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