CA1071946A - Rock drill - Google Patents

Rock drill

Info

Publication number
CA1071946A
CA1071946A CA262,864A CA262864A CA1071946A CA 1071946 A CA1071946 A CA 1071946A CA 262864 A CA262864 A CA 262864A CA 1071946 A CA1071946 A CA 1071946A
Authority
CA
Canada
Prior art keywords
piston
fluid
motor
chambers
fluid motor
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
CA262,864A
Other languages
English (en)
French (fr)
Inventor
George A. Hibbard
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.)
Joy Manufacturing Co
Original Assignee
Joy Manufacturing 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 Manufacturing Co filed Critical Joy Manufacturing Co
Application granted granted Critical
Publication of CA1071946A publication Critical patent/CA1071946A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03CPOSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C1/00Reciprocating-piston liquid engines
    • F03C1/007Reciprocating-piston liquid engines with single cylinder, double-acting piston
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/01Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25DPERCUSSIVE TOOLS
    • B25D17/00Details of, or accessories for, portable power-driven percussive tools
    • B25D17/06Hammer pistons; Anvils ; Guide-sleeves for pistons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25DPERCUSSIVE TOOLS
    • B25D9/00Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/06Means for driving the impulse member
    • B25D9/12Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Earth Drilling (AREA)
  • Fluid-Pressure Circuits (AREA)
CA262,864A 1975-10-24 1976-10-06 Rock drill Expired CA1071946A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US62554075A 1975-10-24 1975-10-24

Publications (1)

Publication Number Publication Date
CA1071946A true CA1071946A (en) 1980-02-19

Family

ID=24506565

Family Applications (1)

Application Number Title Priority Date Filing Date
CA262,864A Expired CA1071946A (en) 1975-10-24 1976-10-06 Rock drill

Country Status (10)

Country Link
JP (1) JPS5284376A (et)
AU (2) AU510819B2 (et)
BE (1) BE847544A (et)
CA (1) CA1071946A (et)
DE (1) DE2648206A1 (et)
FI (1) FI763004A (et)
FR (1) FR2328548A1 (et)
GB (1) GB1554598A (et)
SE (2) SE431007B (et)
ZA (1) ZA766075B (et)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU520326B2 (en) * 1976-04-28 1982-01-28 Joy Manufacturing Company Oscillating motor
FI78158C (fi) * 1986-05-09 1989-06-12 Tampella Oy Ab Anordning vid en borrmaskin foer lagring av ett rotationsstycke.
SE536289C2 (sv) 2011-04-05 2013-08-06 Atlas Copco Rock Drills Ab Hydrauliska slagverk för berg- eller betongavverkande utrustning samt borr- och brytutrustning

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3464500A (en) * 1967-11-16 1969-09-02 Gardner Denver Co Percussion tool control means
FI126974A (et) * 1974-04-25 1975-10-26 Tampella Oy Ab
GB1450972A (en) * 1974-06-11 1976-09-29 Klemm G Percussive tool

Also Published As

Publication number Publication date
GB1554598A (en) 1979-10-24
SE431173B (sv) 1984-01-23
JPS5284376A (en) 1977-07-13
FR2328548B1 (et) 1982-08-06
AU510819B2 (en) 1980-07-17
FR2328548A1 (fr) 1977-05-20
FI763004A (et) 1977-04-25
ZA766075B (en) 1977-09-28
SE431007B (sv) 1983-12-27
BE847544A (fr) 1977-04-22
AU519878B2 (en) 1981-12-24
SE7713173L (sv) 1977-11-22
SE7611294L (sv) 1977-04-25
AU1870376A (en) 1978-04-20
DE2648206A1 (de) 1977-04-28
AU5324079A (en) 1980-03-20

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Legal Events

Date Code Title Description
MKEX Expiry