ZA771682B - Rock drill - Google Patents

Rock drill

Info

Publication number
ZA771682B
ZA771682B ZA00771682A ZA771682A ZA771682B ZA 771682 B ZA771682 B ZA 771682B ZA 00771682 A ZA00771682 A ZA 00771682A ZA 771682 A ZA771682 A ZA 771682A ZA 771682 B ZA771682 B ZA 771682B
Authority
ZA
South Africa
Prior art keywords
rock drill
drill
rock
Prior art date
Application number
ZA00771682A
Other languages
English (en)
Inventor
W Morrison
Original Assignee
Joy Mfg Co
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 Joy Mfg Co filed Critical Joy Mfg Co
Publication of ZA771682B publication Critical patent/ZA771682B/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/06—Means for driving the impulse member
    • B25D9/12—Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic pressure
    • 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
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • E21B44/02—Automatic control of the tool feed
    • E21B44/06—Automatic control of the tool feed in response to the flow or pressure of the motive fluid of the drive
    • 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
    • E21B6/00—Drives for drilling with combined rotary and percussive action

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
ZA00771682A 1976-03-25 1977-03-21 Rock drill ZA771682B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/670,262 US4074771A (en) 1976-03-25 1976-03-25 Rock drill

Publications (1)

Publication Number Publication Date
ZA771682B true ZA771682B (en) 1978-02-22

Family

ID=24689678

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00771682A ZA771682B (en) 1976-03-25 1977-03-21 Rock drill

Country Status (16)

Country Link
US (1) US4074771A (fr)
JP (1) JPS52131902A (fr)
AT (1) AT359451B (fr)
AU (1) AU502821B2 (fr)
BE (1) BE852892A (fr)
BR (1) BR7701812A (fr)
CA (1) CA1055477A (fr)
CH (1) CH618770A5 (fr)
DE (1) DE2713338A1 (fr)
FI (1) FI770950A (fr)
FR (1) FR2345578A1 (fr)
GB (1) GB1579239A (fr)
MX (1) MX147126A (fr)
PL (1) PL117538B1 (fr)
SE (1) SE431247B (fr)
ZA (1) ZA771682B (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4246973A (en) * 1978-01-23 1981-01-27 Cooper Industries, Inc. Controls for hydraulic percussion drill
FI56723C (fi) * 1978-05-11 1980-03-10 Tampella Oy Ab Styrningssystem foer borrmaskin
JPS5655684A (en) * 1979-10-06 1981-05-16 Toyo Kogyo Co Feed controller circuit for hydraulic rock driller
AT381363B (de) * 1983-11-08 1986-10-10 Ver Edelstahlwerke Ag Vorrichtung zum schlagenden bohren
DE3518892C1 (de) * 1985-05-25 1987-02-26 Klemm Bohrtech Hydraulische Schlagbohrvorrichtung
FI86008C (fi) * 1989-04-06 1992-06-25 Tampella Oy Ab Foerfarande och anordning foer reglering av en bergborrningsmaskin.
DE4036918A1 (de) * 1990-11-20 1992-05-21 Krupp Maschinentechnik Verfahren zur anpassung des arbeitsverhaltens eines schlagwerks an die haerte des zerkleinerungsmaterials und einrichtung zur durchfuehrung des verfahrens
FI90276C (fi) * 1991-01-03 1994-01-10 Tamrock Oy Menetelmä reiän poraamiseksi kallioon
ZA932779B (en) * 1993-04-21 1994-10-12 Jarmo Uolevi Leppaenen Control system for percussion drill
FI97419C (fi) * 1993-09-20 1996-12-10 Tamrock Oy Sovitelma kallionporakoneen syöttölaitteiston ohjaamiseksi
FI105054B (fi) * 1997-06-13 2000-05-31 Tamrock Oy Menetelmä kallionporauksen ohjaamiseksi
FI981707A0 (fi) 1998-08-06 1998-08-06 Tamrock Oy Sovitelma kallionporauksen ohjaamiseksi
FR2802970B1 (fr) * 1999-12-23 2002-03-08 Montabert Ets Dispositif d'alimentation hydraulique d'un appareil de forage roto-percutant
FI20030115A (fi) * 2003-01-24 2004-07-25 Sandvik Tamrock Oy Hydraulijärjestelmä louhintalaitetta varten ja menetelmä kallioporakoneen tehon säätämiseksi
US8261855B2 (en) * 2009-11-11 2012-09-11 Flanders Electric, Ltd. Methods and systems for drilling boreholes
WO2012141623A1 (fr) * 2011-04-15 2012-10-18 Volvo Construction Equipment Ab Procédé et dispositif de réduction des vibrations dans un engin de travaux
WO2021016885A1 (fr) * 2019-07-30 2021-02-04 广西恒日科技股份有限公司 Système de commande hydraulique pour perforatrice de roche à roue entièrement hydraulique
EP3854532A1 (fr) * 2019-08-19 2021-07-28 Hilti Aktiengesellschaft Machine-outil, outil et système de machine-outil à un certain rapport de vitesse de rotation et de puissance de percussion
AU2021385230A1 (en) * 2020-11-27 2023-06-22 Epiroc Rock Drills Aktiebolag Arrangement of controlling drilling parameters during extraction of a drill string

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3561542A (en) * 1969-03-20 1971-02-09 Gardner Denver Co Control system for rock drills
US3581830A (en) * 1969-09-03 1971-06-01 Bucyrus Erie Co Linear feed control for a rotary tool
US3823784A (en) * 1973-06-08 1974-07-16 Dresser Ind Method and apparatus for controlling hydraulic drifters
IT1021726B (it) * 1973-10-09 1978-02-20 Tampella Oy Ab Sistema di co trollo di perforatri ci da roccia e perforatrice per la realizzazione di tale sistema
FR2250014A1 (fr) * 1973-11-07 1975-05-30 Secoma
FI55892C (fi) * 1974-03-18 1979-10-10 Tampella Oy Ab Hydraulisk borrmaskin i synnerhet bergborrningsmaskin

Also Published As

Publication number Publication date
FI770950A (fr) 1977-09-26
GB1579239A (en) 1980-11-19
CH618770A5 (fr) 1980-08-15
MX147126A (es) 1982-10-13
BE852892A (fr) 1977-09-26
PL196919A1 (pl) 1978-02-27
AT359451B (de) 1980-11-10
ATA211477A (de) 1980-04-15
PL117538B1 (en) 1981-08-31
AU2347277A (en) 1978-09-28
FR2345578A1 (fr) 1977-10-21
CA1055477A (fr) 1979-05-29
AU502821B2 (en) 1979-08-09
US4074771A (en) 1978-02-21
DE2713338A1 (de) 1977-10-06
SE431247B (sv) 1984-01-23
SE7703315L (sv) 1977-09-26
BR7701812A (pt) 1977-12-20
JPS52131902A (en) 1977-11-05

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