CH680813A5 - - Google Patents
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- Publication number
- CH680813A5 CH680813A5 CH2792/89A CH279289A CH680813A5 CH 680813 A5 CH680813 A5 CH 680813A5 CH 2792/89 A CH2792/89 A CH 2792/89A CH 279289 A CH279289 A CH 279289A CH 680813 A5 CH680813 A5 CH 680813A5
- Authority
- CH
- Switzerland
- Prior art keywords
- control
- valves
- pressure medium
- operating device
- valve
- Prior art date
Links
- 239000012530 fluid Substances 0.000 claims description 39
- 238000005553 drilling Methods 0.000 claims description 22
- 238000010276 construction Methods 0.000 claims description 16
- 239000011435 rock Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 description 5
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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 characterised 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 OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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 characterised 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
- Earth Drilling (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI883528A FI83256C (fi) | 1988-07-27 | 1988-07-27 | Anordning foer anvaendning av hydrauliska manoeveranordningar i en bergborrsbom. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH680813A5 true CH680813A5 (pt) | 1992-11-13 |
Family
ID=8526868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH2792/89A CH680813A5 (pt) | 1988-07-27 | 1989-07-26 |
Country Status (14)
| Country | Link |
|---|---|
| JP (1) | JPH02217586A (pt) |
| CN (1) | CN1039870A (pt) |
| AT (1) | AT393870B (pt) |
| AU (1) | AU615088B2 (pt) |
| CA (1) | CA1331126C (pt) |
| CH (1) | CH680813A5 (pt) |
| DE (1) | DE3924469A1 (pt) |
| FI (1) | FI83256C (pt) |
| FR (1) | FR2634817B1 (pt) |
| GB (1) | GB2224081B (pt) |
| IT (1) | IT1235268B (pt) |
| NO (1) | NO178837C (pt) |
| SE (1) | SE469570B (pt) |
| ZA (1) | ZA895494B (pt) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4118822A1 (de) * | 1991-06-07 | 1992-12-10 | Rexroth Mannesmann Gmbh | Steuereinrichtung zur zu- und abfuehrung von arbeitsfluessigkeit bei einem hydraulischen arbeitsraum |
| DE4436548C2 (de) * | 1994-10-13 | 2000-12-21 | Mannesmann Rexroth Ag | Ventilanordnung zur Betätigung eines hydraulischen Verbrauchers |
| KR100474259B1 (ko) * | 1996-11-26 | 2005-06-20 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 건설기계의작업장치용실린더를위한유압장치 |
| DE102007049604B4 (de) * | 2007-10-16 | 2014-08-21 | Marco Systemanalyse Und Entwicklung Gmbh | Ventilanordnung |
| EP2341253B8 (en) * | 2010-01-05 | 2013-10-16 | Nem S.R.L. | Device for piloting by means of a substantially incompressible fluid |
| IT202100021647A1 (it) * | 2021-08-10 | 2023-02-10 | Omt Group S P A | Dispositivo fluidodinamico di controllo, per attuatori a doppio effetto |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT303647B (de) * | 1970-06-23 | 1972-12-11 | Boehler & Co Ag Geb | Bohrstütze |
| FR2459895A1 (fr) * | 1979-06-25 | 1981-01-16 | Secoma | Dispositif d'alimentation et de commande a distance pour une pluralite de recepteurs hydrauliques disposes sur un meme engin |
| JPS57501588A (pt) * | 1980-10-17 | 1982-09-02 | ||
| DE3044144A1 (de) * | 1980-11-24 | 1982-09-09 | Linde Ag, 6200 Wiesbaden | Hydrostatisches antriebssystem mit einer einstellbaren pumpe und mehreren verbrauchern |
| FI79884C (fi) * | 1988-06-03 | 1990-03-12 | Tampella Oy Ab | Foerfarande och anordning foer borrning av ett haol i berg. |
-
1988
- 1988-07-27 FI FI883528A patent/FI83256C/fi not_active IP Right Cessation
-
1989
- 1989-07-17 GB GB8916311A patent/GB2224081B/en not_active Expired - Lifetime
- 1989-07-18 CA CA000605993A patent/CA1331126C/en not_active Expired - Fee Related
- 1989-07-19 ZA ZA895494A patent/ZA895494B/xx unknown
- 1989-07-20 AU AU38289/89A patent/AU615088B2/en not_active Ceased
- 1989-07-24 DE DE3924469A patent/DE3924469A1/de not_active Withdrawn
- 1989-07-25 IT IT8921291A patent/IT1235268B/it active
- 1989-07-25 JP JP1190699A patent/JPH02217586A/ja active Pending
- 1989-07-26 NO NO893044A patent/NO178837C/no unknown
- 1989-07-26 AT AT0179889A patent/AT393870B/de not_active IP Right Cessation
- 1989-07-26 FR FR898910052A patent/FR2634817B1/fr not_active Expired - Lifetime
- 1989-07-26 CH CH2792/89A patent/CH680813A5/de not_active IP Right Cessation
- 1989-07-26 SE SE8902602A patent/SE469570B/sv not_active IP Right Cessation
- 1989-07-27 CN CN89106123A patent/CN1039870A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NO893044D0 (no) | 1989-07-26 |
| SE469570B (sv) | 1993-07-26 |
| ATA179889A (de) | 1991-06-15 |
| FI83256C (fi) | 1991-06-10 |
| SE8902602D0 (sv) | 1989-07-26 |
| FR2634817A1 (fr) | 1990-02-02 |
| SE8902602L (sv) | 1990-01-28 |
| JPH02217586A (ja) | 1990-08-30 |
| NO178837B (no) | 1996-03-04 |
| FR2634817B1 (fr) | 1992-06-19 |
| ZA895494B (en) | 1990-04-25 |
| GB2224081B (en) | 1992-09-16 |
| GB8916311D0 (en) | 1989-08-31 |
| FI883528A (fi) | 1990-01-28 |
| DE3924469A1 (de) | 1990-02-01 |
| FI883528A0 (fi) | 1988-07-27 |
| AU3828989A (en) | 1990-02-01 |
| CN1039870A (zh) | 1990-02-21 |
| IT8921291A0 (it) | 1989-07-25 |
| IT1235268B (it) | 1992-06-26 |
| FI83256B (fi) | 1991-02-28 |
| AU615088B2 (en) | 1991-09-19 |
| GB2224081A (en) | 1990-04-25 |
| NO178837C (no) | 1996-06-12 |
| AT393870B (de) | 1991-12-27 |
| NO893044L (no) | 1990-01-29 |
| CA1331126C (en) | 1994-08-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |