IT1235268B - Dispositivo per il funzionamento di mezzi idraulici di azionamento in un braccio per perforazione di rocce e simili costruzioni di braccio. - Google Patents

Dispositivo per il funzionamento di mezzi idraulici di azionamento in un braccio per perforazione di rocce e simili costruzioni di braccio.

Info

Publication number
IT1235268B
IT1235268B IT8921291A IT2129189A IT1235268B IT 1235268 B IT1235268 B IT 1235268B IT 8921291 A IT8921291 A IT 8921291A IT 2129189 A IT2129189 A IT 2129189A IT 1235268 B IT1235268 B IT 1235268B
Authority
IT
Italy
Prior art keywords
arm
hydraulic drive
drive vehicles
constructions
similar
Prior art date
Application number
IT8921291A
Other languages
English (en)
Italian (it)
Other versions
IT8921291A0 (it
Inventor
Rauno Rajala
Juha Piipponen
Original Assignee
Tampella Oy Ab
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 Tampella Oy Ab filed Critical Tampella Oy Ab
Publication of IT8921291A0 publication Critical patent/IT8921291A0/it
Application granted granted Critical
Publication of IT1235268B publication Critical patent/IT1235268B/it

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E21B7/025—Rock drills, i.e. jumbo drills
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E21B7/022—Control of the drilling operation; Hydraulic or pneumatic means for activation or operation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/003—Systems with load-holding valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50545—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using braking valves to maintain a back pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
IT8921291A 1988-07-27 1989-07-25 Dispositivo per il funzionamento di mezzi idraulici di azionamento in un braccio per perforazione di rocce e simili costruzioni di braccio. IT1235268B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI883528A FI83256C (fi) 1988-07-27 1988-07-27 Anordning foer anvaendning av hydrauliska manoeveranordningar i en bergborrsbom.

Publications (2)

Publication Number Publication Date
IT8921291A0 IT8921291A0 (it) 1989-07-25
IT1235268B true IT1235268B (it) 1992-06-26

Family

ID=8526868

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8921291A IT1235268B (it) 1988-07-27 1989-07-25 Dispositivo per il funzionamento di mezzi idraulici di azionamento in un braccio per perforazione di rocce e simili costruzioni di braccio.

Country Status (14)

Country Link
JP (1) JPH02217586A (de)
CN (1) CN1039870A (de)
AT (1) AT393870B (de)
AU (1) AU615088B2 (de)
CA (1) CA1331126C (de)
CH (1) CH680813A5 (de)
DE (1) DE3924469A1 (de)
FI (1) FI83256C (de)
FR (1) FR2634817B1 (de)
GB (1) GB2224081B (de)
IT (1) IT1235268B (de)
NO (1) NO178837C (de)
SE (1) SE469570B (de)
ZA (1) ZA895494B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4118822A1 (de) * 1991-06-07 1992-12-10 Rexroth Mannesmann Gmbh Steuereinrichtung zur zu- und abfuehrung von arbeitsfluessigkeit bei einem hydraulischen arbeitsraum
DE4436548C2 (de) * 1994-10-13 2000-12-21 Mannesmann Rexroth Ag Ventilanordnung zur Betätigung eines hydraulischen Verbrauchers
KR100474259B1 (ko) * 1996-11-26 2005-06-20 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 건설기계의작업장치용실린더를위한유압장치
DE102007049604B4 (de) * 2007-10-16 2014-08-21 Marco Systemanalyse Und Entwicklung Gmbh Ventilanordnung
EP2341253B8 (de) * 2010-01-05 2013-10-16 Nem S.R.L. Hydraulische Vorsteuereinrichtung
IT202100021647A1 (it) 2021-08-10 2023-02-10 Omt Group S P A Dispositivo fluidodinamico di controllo, per attuatori a doppio effetto

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT303647B (de) * 1970-06-23 1972-12-11 Boehler & Co Ag Geb Bohrstütze
FR2459895A1 (fr) * 1979-06-25 1981-01-16 Secoma Dispositif d'alimentation et de commande a distance pour une pluralite de recepteurs hydrauliques disposes sur un meme engin
DE3050606A1 (en) * 1980-10-17 1982-11-04 Caterpillar Tractor Co Valve actuator with hydraulic latching
DE3044144A1 (de) * 1980-11-24 1982-09-09 Linde Ag, 6200 Wiesbaden Hydrostatisches antriebssystem mit einer einstellbaren pumpe und mehreren verbrauchern
FI79884C (fi) * 1988-06-03 1990-03-12 Tampella Oy Ab Foerfarande och anordning foer borrning av ett haol i berg.

Also Published As

Publication number Publication date
NO178837C (no) 1996-06-12
SE469570B (sv) 1993-07-26
GB8916311D0 (en) 1989-08-31
FI83256C (fi) 1991-06-10
AU615088B2 (en) 1991-09-19
DE3924469A1 (de) 1990-02-01
GB2224081B (en) 1992-09-16
FR2634817A1 (fr) 1990-02-02
AT393870B (de) 1991-12-27
NO893044D0 (no) 1989-07-26
SE8902602L (sv) 1990-01-28
IT8921291A0 (it) 1989-07-25
FI83256B (fi) 1991-02-28
FI883528A (fi) 1990-01-28
CA1331126C (en) 1994-08-02
CN1039870A (zh) 1990-02-21
FR2634817B1 (fr) 1992-06-19
ATA179889A (de) 1991-06-15
FI883528A0 (fi) 1988-07-27
GB2224081A (en) 1990-04-25
JPH02217586A (ja) 1990-08-30
SE8902602D0 (sv) 1989-07-26
AU3828989A (en) 1990-02-01
NO178837B (no) 1996-03-04
ZA895494B (en) 1990-04-25
NO893044L (no) 1990-01-29
CH680813A5 (de) 1992-11-13

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