AU501926B2 - Hydraulic circuit for rock drill - Google Patents

Hydraulic circuit for rock drill

Info

Publication number
AU501926B2
AU501926B2 AU28595/77A AU2859577A AU501926B2 AU 501926 B2 AU501926 B2 AU 501926B2 AU 28595/77 A AU28595/77 A AU 28595/77A AU 2859577 A AU2859577 A AU 2859577A AU 501926 B2 AU501926 B2 AU 501926B2
Authority
AU
Australia
Prior art keywords
hydraulic circuit
rock drill
drill
rock
hydraulic
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
AU28595/77A
Other versions
AU2859577A (en
Inventor
J. F Garate
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.)
Australian Iron and Steel Pty Ltd
Original Assignee
Australian Iron and Steel Pty Ltd
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 Australian Iron and Steel Pty Ltd filed Critical Australian Iron and Steel Pty Ltd
Priority to AU28595/77A priority Critical patent/AU501926B2/en
Publication of AU2859577A publication Critical patent/AU2859577A/en
Application granted granted Critical
Publication of AU501926B2 publication Critical patent/AU501926B2/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/20—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
AU28595/77A 1977-09-06 1977-09-06 Hydraulic circuit for rock drill Expired AU501926B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU28595/77A AU501926B2 (en) 1977-09-06 1977-09-06 Hydraulic circuit for rock drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU28595/77A AU501926B2 (en) 1977-09-06 1977-09-06 Hydraulic circuit for rock drill

Related Child Applications (1)

Application Number Title Priority Date Filing Date
AU67443/74A Division AU6744374A (en) 1973-04-12 1973-04-12 Multi-functional self compensating fluid control valve assembly

Publications (2)

Publication Number Publication Date
AU2859577A AU2859577A (en) 1977-12-08
AU501926B2 true AU501926B2 (en) 1979-07-05

Family

ID=3716795

Family Applications (1)

Application Number Title Priority Date Filing Date
AU28595/77A Expired AU501926B2 (en) 1977-09-06 1977-09-06 Hydraulic circuit for rock drill

Country Status (1)

Country Link
AU (1) AU501926B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2546963A1 (en) * 1983-02-04 1984-12-07 Tampella Oy Ab Borer feed motor control system
AU647773B2 (en) * 1990-01-15 1994-03-31 Tour & Andersson Ab Apparatus for measurement and control, respectively, of temperature and/or pressure

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI105944B (en) * 1995-04-21 2000-10-31 Tamrock Oy Hydraulic assembly for rotating rock actuator actuator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2546963A1 (en) * 1983-02-04 1984-12-07 Tampella Oy Ab Borer feed motor control system
AU647773B2 (en) * 1990-01-15 1994-03-31 Tour & Andersson Ab Apparatus for measurement and control, respectively, of temperature and/or pressure

Also Published As

Publication number Publication date
AU2859577A (en) 1977-12-08

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