FR2634817B1 - DEVICE FOR CONTROLLING HYDRAULIC OPERATING MEANS IN A ROCK DRILL BOOM AND AN ANALOG BOOM STRUCTURE - Google Patents

DEVICE FOR CONTROLLING HYDRAULIC OPERATING MEANS IN A ROCK DRILL BOOM AND AN ANALOG BOOM STRUCTURE

Info

Publication number
FR2634817B1
FR2634817B1 FR898910052A FR8910052A FR2634817B1 FR 2634817 B1 FR2634817 B1 FR 2634817B1 FR 898910052 A FR898910052 A FR 898910052A FR 8910052 A FR8910052 A FR 8910052A FR 2634817 B1 FR2634817 B1 FR 2634817B1
Authority
FR
France
Prior art keywords
boom
analog
operating means
rock drill
hydraulic operating
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 - Lifetime
Application number
FR898910052A
Other languages
French (fr)
Other versions
FR2634817A1 (en
Inventor
Rauno Rajala
Juha Piipponen
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.)
Tampella Oy AB
Original Assignee
Tampella Oy 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 Tampella Oy AB filed Critical Tampella Oy AB
Publication of FR2634817A1 publication Critical patent/FR2634817A1/en
Application granted granted Critical
Publication of FR2634817B1 publication Critical patent/FR2634817B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/02—Drilling rigs characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E21B7/025—Rock drills, i.e. jumbo drills
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/02—Drilling rigs characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E21B7/022—Control of the drilling operation; Hydraulic or pneumatic means for activation or operation
    • 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
    • F15B11/003—Systems with load-holding valves
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50545—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using braking valves to maintain a back pressure
FR898910052A 1988-07-27 1989-07-26 DEVICE FOR CONTROLLING HYDRAULIC OPERATING MEANS IN A ROCK DRILL BOOM AND AN ANALOG BOOM STRUCTURE Expired - Lifetime FR2634817B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI883528A FI83256C (en) 1988-07-27 1988-07-27 Device for use of hydraulic actuators in a rock drill boom

Publications (2)

Publication Number Publication Date
FR2634817A1 FR2634817A1 (en) 1990-02-02
FR2634817B1 true FR2634817B1 (en) 1992-06-19

Family

ID=8526868

Family Applications (1)

Application Number Title Priority Date Filing Date
FR898910052A Expired - Lifetime FR2634817B1 (en) 1988-07-27 1989-07-26 DEVICE FOR CONTROLLING HYDRAULIC OPERATING MEANS IN A ROCK DRILL BOOM AND AN ANALOG BOOM STRUCTURE

Country Status (14)

Country Link
JP (1) JPH02217586A (en)
CN (1) CN1039870A (en)
AT (1) AT393870B (en)
AU (1) AU615088B2 (en)
CA (1) CA1331126C (en)
CH (1) CH680813A5 (en)
DE (1) DE3924469A1 (en)
FI (1) FI83256C (en)
FR (1) FR2634817B1 (en)
GB (1) GB2224081B (en)
IT (1) IT1235268B (en)
NO (1) NO178837C (en)
SE (1) SE469570B (en)
ZA (1) ZA895494B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4118822A1 (en) * 1991-06-07 1992-12-10 Rexroth Mannesmann Gmbh Control circuit for vehicle hydraulic suspension - has separate solenoid valves for flow control and with valve action varied by control current
DE4436548C2 (en) * 1994-10-13 2000-12-21 Mannesmann Rexroth Ag Valve arrangement for actuating a hydraulic consumer
KR100474259B1 (en) * 1996-11-26 2005-06-20 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 Hydraulic devices for cylinders for work tools of construction machinery
DE102007049604B4 (en) * 2007-10-16 2014-08-21 Marco Systemanalyse Und Entwicklung Gmbh valve assembly
EP2341253B8 (en) * 2010-01-05 2013-10-16 Nem S.R.L. Device for piloting by means of a substantially incompressible fluid
IT202100021647A1 (en) * 2021-08-10 2023-02-10 Omt Group S P A FLUID DYNAMIC CONTROL DEVICE, FOR DOUBLE ACTING ACTUATORS

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT303647B (en) * 1970-06-23 1972-12-11 Boehler & Co Ag Geb Drill support
FR2459895A1 (en) * 1979-06-25 1981-01-16 Secoma REMOTE POWER SUPPLY AND CONTROL DEVICE FOR A PLURALITY OF HYDRAULIC RECEIVERS ARRANGED ON THE SAME GEAR
DE3050606A1 (en) * 1980-10-17 1982-11-04 Caterpillar Tractor Co Valve actuator with hydraulic latching
DE3044144A1 (en) * 1980-11-24 1982-09-09 Linde Ag, 6200 Wiesbaden HYDROSTATIC DRIVE SYSTEM WITH ONE ADJUSTABLE PUMP AND SEVERAL CONSUMERS
FI79884C (en) * 1988-06-03 1990-03-12 Tampella Oy Ab Method and apparatus for drilling a hole in rock

Also Published As

Publication number Publication date
ATA179889A (en) 1991-06-15
AU3828989A (en) 1990-02-01
ZA895494B (en) 1990-04-25
CN1039870A (en) 1990-02-21
GB8916311D0 (en) 1989-08-31
NO893044L (en) 1990-01-29
JPH02217586A (en) 1990-08-30
CH680813A5 (en) 1992-11-13
CA1331126C (en) 1994-08-02
FI83256B (en) 1991-02-28
FR2634817A1 (en) 1990-02-02
GB2224081B (en) 1992-09-16
FI883528A0 (en) 1988-07-27
SE8902602D0 (en) 1989-07-26
SE8902602L (en) 1990-01-28
IT1235268B (en) 1992-06-26
FI83256C (en) 1991-06-10
NO178837C (en) 1996-06-12
DE3924469A1 (en) 1990-02-01
AU615088B2 (en) 1991-09-19
IT8921291A0 (en) 1989-07-25
AT393870B (en) 1991-12-27
NO178837B (en) 1996-03-04
NO893044D0 (en) 1989-07-26
SE469570B (en) 1993-07-26
GB2224081A (en) 1990-04-25
FI883528A (en) 1990-01-28

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Legal Events

Date Code Title Description
ST Notification of lapse