CA974975A - Device for controlling the feeding force at rock-drilling - Google Patents

Device for controlling the feeding force at rock-drilling

Info

Publication number
CA974975A
CA974975A CA150,337A CA150337A CA974975A CA 974975 A CA974975 A CA 974975A CA 150337 A CA150337 A CA 150337A CA 974975 A CA974975 A CA 974975A
Authority
CA
Canada
Prior art keywords
rock
drilling
controlling
feeding force
feeding
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
CA150,337A
Other versions
CA150337S (en
Inventor
Karl G.B. Ekwall
Klas G.G. Ek
Yrjo A. Ein
Sven W. Sjogren
Eric J.A. Engqvist
Axel H. Jagerstrom
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.)
Atlas Copco AB
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
Priority claimed from SE11297/71A external-priority patent/SE361704B/xx
Priority claimed from SE14179/71A external-priority patent/SE367858B/xx
Application filed by Atlas Copco AB filed Critical Atlas Copco AB
Priority to CA229,672A priority Critical patent/CA993858A/en
Application granted granted Critical
Publication of CA974975A publication Critical patent/CA974975A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • E21B6/00—Drives for drilling with combined rotary and percussive action
    • 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
    • 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
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/16—Cutting by use of rotating axially moving tool with control means energized in response to activator stimulated by condition sensor
    • Y10T408/17—Cutting by use of rotating axially moving tool with control means energized in response to activator stimulated by condition sensor to control infeed
    • Y10T408/172—Responsive to Tool
CA150,337A 1971-09-07 1972-08-28 Device for controlling the feeding force at rock-drilling Expired CA974975A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA229,672A CA993858A (en) 1971-09-07 1975-06-19 Device for controlling the feeding force at rock-drilling

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE11297/71A SE361704B (en) 1971-09-07 1971-09-07
SE14179/71A SE367858B (en) 1971-11-05 1971-11-05

Publications (1)

Publication Number Publication Date
CA974975A true CA974975A (en) 1975-09-23

Family

ID=26655825

Family Applications (1)

Application Number Title Priority Date Filing Date
CA150,337A Expired CA974975A (en) 1971-09-07 1972-08-28 Device for controlling the feeding force at rock-drilling

Country Status (2)

Country Link
US (1) US3802514A (en)
CA (1) CA974975A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI55892C (en) * 1974-03-18 1979-10-10 Tampella Oy Ab HYDRAULISK BORRMASKIN I SYNNERHET BERGBORRNINGSMASKIN
FI56722C (en) * 1975-07-24 1980-03-10 Tampella Oy Ab HYDRAULISK BORRMASKIN SPECIELLT BERGBORRMASKIN
US4064950A (en) * 1976-07-19 1977-12-27 Pekka Salmi Hydraulic drilling machine
US4271914A (en) * 1976-12-02 1981-06-09 The United States Of America As Represented By The Secretary Of The Interior Automatic feed and rotational speed control system of a hydraulic motor operated drill
FI56723C (en) * 1978-05-11 1980-03-10 Tampella Oy Ab STYRNINGSSYSTEM FOER BORRMASKIN
US4440236A (en) * 1979-09-20 1984-04-03 Toyo Kogyo Co. Ltd. Hydraulic control system for a rock drill
FI67604C (en) * 1983-06-14 1985-04-10 Tampella Oy Ab ADJUSTMENT OF MEASURES
US5564455A (en) * 1995-01-06 1996-10-15 The Charles Machine Works, Inc. Hydraulic circuit for automatic control of a horizontal boring machine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1689596A (en) * 1924-03-13 1928-10-30 Sullivan Machinery Co Drilling mechanism
US2459902A (en) * 1947-02-20 1949-01-25 Hpm Dev Corp Hydraulic operating circuit for machine tools
US2905441A (en) * 1954-02-05 1959-09-22 Consolidation Coal Co Hydraulic powered mining machine
US3456275A (en) * 1968-02-07 1969-07-22 Lanning Equipment Corp Sensing and positioning control mechanism for a car washing brush

Also Published As

Publication number Publication date
US3802514A (en) 1974-04-09

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