ZA727612B - Device for controlling the feeding force at rock drilling - Google Patents

Device for controlling the feeding force at rock drilling

Info

Publication number
ZA727612B
ZA727612B ZA727612A ZA727612A ZA727612B ZA 727612 B ZA727612 B ZA 727612B ZA 727612 A ZA727612 A ZA 727612A ZA 727612 A ZA727612 A ZA 727612A ZA 727612 B ZA727612 B ZA 727612B
Authority
ZA
South Africa
Prior art keywords
controlling
rock drilling
feeding force
feeding
force
Prior art date
Application number
ZA727612A
Inventor
A Jagerstrom
Original Assignee
Atlas Copco 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 Atlas Copco Ab filed Critical Atlas Copco Ab
Publication of ZA727612B publication Critical patent/ZA727612B/en

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
    • 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

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Fluid-Pressure Circuits (AREA)
ZA727612A 1971-11-05 1972-10-25 Device for controlling the feeding force at rock drilling ZA727612B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE14179/71A SE367858B (en) 1971-11-05 1971-11-05

Publications (1)

Publication Number Publication Date
ZA727612B true ZA727612B (en) 1973-07-25

Family

ID=20298663

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA727612A ZA727612B (en) 1971-11-05 1972-10-25 Device for controlling the feeding force at rock drilling

Country Status (12)

Country Link
JP (1) JPS5143442B2 (en)
AT (1) AT318520B (en)
CH (1) CH552743A (en)
DE (1) DE2252458C3 (en)
FI (1) FI55245C (en)
FR (1) FR2158307B1 (en)
GB (1) GB1380097A (en)
IT (1) IT966461B (en)
NO (1) NO132845C (en)
PL (1) PL78634B1 (en)
SE (1) SE367858B (en)
ZA (1) ZA727612B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI56722C (en) * 1975-07-24 1980-03-10 Tampella Oy Ab HYDRAULISK BORRMASKIN SPECIELLT BERGBORRMASKIN
FI56723C (en) * 1978-05-11 1980-03-10 Tampella Oy Ab STYRNINGSSYSTEM FOER BORRMASKIN
FR2714419B1 (en) * 1993-12-29 1996-03-22 Segelm Sa Apageo Geotechnical drilling device, of the drilling head type sliding on a mast, by rotation and by rotary percussion, with two parallel drive shafts.
FI943695A (en) * 1994-08-10 1996-02-11 Valto Ilomaeki Method for adjusting the drilling rig

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1043531A (en) * 1961-07-01 1966-09-21 Hobhouse Henry Variable speed drilling apparatus

Also Published As

Publication number Publication date
AT318520B (en) 1974-10-25
FI55245B (en) 1979-02-28
DE2252458C3 (en) 1974-04-25
SE367858B (en) 1974-06-10
DE2252458A1 (en) 1973-05-10
FI55245C (en) 1979-06-11
CH552743A (en) 1974-08-15
FR2158307B1 (en) 1976-05-21
PL78634B1 (en) 1975-06-30
FR2158307A1 (en) 1973-06-15
JPS4856503A (en) 1973-08-08
IT966461B (en) 1974-02-11
NO132845B (en) 1975-10-06
NO132845C (en) 1976-01-14
DE2252458B2 (en) 1973-09-27
GB1380097A (en) 1975-01-08
JPS5143442B2 (en) 1976-11-22

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