MX147859A - IMPROVEMENTS TO HYDRAULICALLY OPERATED ROCK DRILL - Google Patents

IMPROVEMENTS TO HYDRAULICALLY OPERATED ROCK DRILL

Info

Publication number
MX147859A
MX147859A MX16888277A MX16888277A MX147859A MX 147859 A MX147859 A MX 147859A MX 16888277 A MX16888277 A MX 16888277A MX 16888277 A MX16888277 A MX 16888277A MX 147859 A MX147859 A MX 147859A
Authority
MX
Mexico
Prior art keywords
hydraulically operated
rock drill
operated rock
drill
hydraulically
Prior art date
Application number
MX16888277A
Other languages
Spanish (es)
Inventor
George Allen Hibbard
Ward Duffey 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 MX147859A publication Critical patent/MX147859A/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/20—Mineral freed by means not involving slitting
    • E21C27/28—Mineral freed by means not involving slitting by percussive drills with breaking-down means, e.g. wedge-shaped tools
    • 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
    • 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
    • B25D9/14—Control devices for the reciprocating piston
    • B25D9/145—Control devices for the reciprocating piston for hydraulically actuated hammers having an accumulator
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C1/00—Reciprocating-piston liquid engines
    • F03C1/007—Reciprocating-piston liquid engines with single cylinder, double-acting piston
MX16888277A 1976-04-28 1977-04-25 IMPROVEMENTS TO HYDRAULICALLY OPERATED ROCK DRILL MX147859A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US68082376A 1976-04-28 1976-04-28
US68082276A 1976-04-28 1976-04-28

Publications (1)

Publication Number Publication Date
MX147859A true MX147859A (en) 1983-01-25

Family

ID=27102528

Family Applications (1)

Application Number Title Priority Date Filing Date
MX16888277A MX147859A (en) 1976-04-28 1977-04-25 IMPROVEMENTS TO HYDRAULICALLY OPERATED ROCK DRILL

Country Status (13)

Country Link
JP (1) JPS52133001A (en)
AU (1) AU520326B2 (en)
BR (1) BR7702614A (en)
DE (1) DE2719002A1 (en)
ES (1) ES458572A1 (en)
FI (1) FI771344A (en)
FR (1) FR2349747A1 (en)
GB (1) GB1588525A (en)
IT (1) IT1076743B (en)
MX (1) MX147859A (en)
SE (1) SE7704440L (en)
SU (1) SU784805A3 (en)
YU (1) YU109877A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8606645D0 (en) * 1986-03-18 1986-04-23 Dowty Mining Machinery Ltd Rock drill assembly
SE535149C2 (en) * 2010-08-31 2012-05-02 Atlas Copco Rock Drills Ab Hydraulic percussion for use in rock or concrete cutting equipment
SE535757C2 (en) * 2011-04-05 2012-12-11 Atlas Copco Rock Drills Ab Device and method for rock and concrete machining
SE536289C2 (en) * 2011-04-05 2013-08-06 Atlas Copco Rock Drills Ab Hydraulic percussion for rock or concrete cutting equipment as well as drilling and breaking equipment

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1579334A (en) * 1968-09-06 1969-08-22
US3592109A (en) * 1969-03-05 1971-07-13 Chance Co Ab Reciprocating fluid motor
US3701386A (en) * 1970-12-11 1972-10-31 Dresser Ind Hydraulic drifter
GB1450972A (en) * 1974-06-11 1976-09-29 Klemm G Percussive tool
FR2279962A1 (en) * 1974-07-26 1976-02-20 Zahnradfabrik Friedrichshafen Hydrostatic automobile steering system distributor - has large and small section throttle points on slide control ridges (SW160276)
US4026193A (en) * 1974-09-19 1977-05-31 Raymond International Inc. Hydraulically driven hammer system
CA1071946A (en) * 1975-10-24 1980-02-19 George A. Hibbard Rock drill

Also Published As

Publication number Publication date
IT1076743B (en) 1985-04-27
ES458572A1 (en) 1978-10-16
GB1588525A (en) 1981-04-23
BR7702614A (en) 1978-02-28
DE2719002A1 (en) 1977-11-10
JPS52133001A (en) 1977-11-08
SU784805A3 (en) 1980-11-30
AU2438877A (en) 1978-10-26
SE7704440L (en) 1977-10-29
FI771344A (en) 1977-10-29
AU520326B2 (en) 1982-01-28
FR2349747A1 (en) 1977-11-25
YU109877A (en) 1983-01-21

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