CN1119691A - 可变优先装置 - Google Patents
可变优先装置 Download PDFInfo
- Publication number
- CN1119691A CN1119691A CN95108972.2A CN95108972A CN1119691A CN 1119691 A CN1119691 A CN 1119691A CN 95108972 A CN95108972 A CN 95108972A CN 1119691 A CN1119691 A CN 1119691A
- Authority
- CN
- China
- Prior art keywords
- actuator
- control valve
- aperture
- mentioned
- state
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
-
- 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
- F15B2211/30—Directional control
- F15B2211/31—Directional control characterised by the positions of the valve element
- F15B2211/3105—Neutral or centre positions
- F15B2211/3116—Neutral or centre positions the pump port being open in the centre position, e.g. so-called open centre
-
- 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
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
-
- 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
- F15B2211/40—Flow control
- F15B2211/42—Flow control characterised by the type of actuation
- F15B2211/428—Flow control characterised by the type of actuation actuated by fluid pressure
-
- 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
- F15B2211/40—Flow control
- F15B2211/45—Control of bleed-off flow, e.g. control of bypass flow to the return line
-
- 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
- F15B2211/40—Flow control
- F15B2211/455—Control of flow in the feed line, i.e. meter-in control
-
- 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
- F15B2211/40—Flow control
- F15B2211/47—Flow control in one direction only
- F15B2211/473—Flow control in one direction only without restriction in the reverse direction
-
- 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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
- F15B2211/7142—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being arranged in multiple groups
-
- 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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/78—Control of multiple output members
- F15B2211/781—Control of multiple output members one or more output members having priority
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
- Servomotors (AREA)
Abstract
Description
Claims (2)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR25347/1994 | 1994-09-30 | ||
KR25347/94 | 1994-09-30 | ||
KR1019940025347A KR100226281B1 (ko) | 1994-09-30 | 1994-09-30 | 가변우선장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1119691A true CN1119691A (zh) | 1996-04-03 |
CN1069719C CN1069719C (zh) | 2001-08-15 |
Family
ID=19394381
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN95108972.2A Expired - Fee Related CN1069719C (zh) | 1994-09-30 | 1995-07-19 | 可变优先装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5584227A (zh) |
EP (1) | EP0705984B1 (zh) |
JP (1) | JP2769799B2 (zh) |
KR (1) | KR100226281B1 (zh) |
CN (1) | CN1069719C (zh) |
DE (1) | DE69511650T2 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103052755A (zh) * | 2010-08-24 | 2013-04-17 | 沃尔沃建造设备有限公司 | 用于控制施工设备的装置 |
CN104220763A (zh) * | 2012-06-15 | 2014-12-17 | 住友建机株式会社 | 施工机械的液压回路及其控制装置 |
CN105179346A (zh) * | 2015-08-11 | 2015-12-23 | 第一拖拉机股份有限公司 | 闭心负载反馈液压系统中的两级优先结构控制阀块 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE450714T1 (de) * | 2006-05-26 | 2009-12-15 | Hydrocontrol S P A | Wegeventil mit druckwaage |
NO325086B1 (no) * | 2006-06-15 | 2008-01-28 | Ziebel As | Fremgangsmate og anordning for manovrering av aktuatorer |
KR101383895B1 (ko) | 2008-11-28 | 2014-04-10 | 삼성테크윈 주식회사 | 복수 개의 액추에이터들을 구동하는 유압 시스템 |
JP5079827B2 (ja) * | 2010-02-10 | 2012-11-21 | 日立建機株式会社 | 油圧ショベルの油圧駆動装置 |
JP6356634B2 (ja) | 2015-06-02 | 2018-07-11 | 日立建機株式会社 | 作業機械の油圧駆動装置 |
IT201900007737A1 (it) * | 2019-05-31 | 2020-12-01 | Walvoil Spa | Valvola oleodinamica con movimento prioritario in azionamenti simultanei |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2892311A (en) * | 1958-01-08 | 1959-06-30 | Deere & Co | Hydraulic apparatus |
US3768372A (en) * | 1972-07-13 | 1973-10-30 | Borg Warner | Control arrangement for hydraulic systems |
US4020867A (en) * | 1974-08-26 | 1977-05-03 | Nisshin Sangyo Kabushiki Kaisha | Multiple pressure compensated flow control valve device of parallel connection used with fixed displacement pump |
IT1157048B (it) * | 1982-06-14 | 1987-02-11 | Fiat Allis Europ | Circuito idraulico per l'alimentazione di fluido in pressione ad una pluralita di camere utilizzatrici provvisto di mezzi selezionatori per l'alimentazione prioritaria di una o piu delle suddette camere utilizzatrici |
DE3644736C2 (de) * | 1985-12-30 | 1996-01-11 | Rexroth Mannesmann Gmbh | Steueranordnung für mindestens zwei von mindestens einer Pumpe gespeiste hydraulische Verbraucher |
DE3611974A1 (de) * | 1986-04-09 | 1987-10-15 | Rexroth Mannesmann Gmbh | Hydraulische vorrangsteuereinrichtung fuer mindestens zwei servomotoren |
DE3644745A1 (de) * | 1986-12-30 | 1988-07-14 | Rexroth Mannesmann Gmbh | Steueranordnung fuer mindestens zwei von mindestens einer pumpe gespeiste hydraulische verbraucher |
DE3806916A1 (de) * | 1988-03-03 | 1989-09-14 | Daimler Benz Ag | Unterdruckversorgungssystem in einem kraftfahrzeug |
JP2749320B2 (ja) * | 1988-04-14 | 1998-05-13 | 日立建機株式会社 | 油圧駆動装置 |
KR960006358B1 (ko) * | 1990-11-26 | 1996-05-15 | 히다찌 겐끼 가부시끼가이샤 | 유압구동장치 및 방향전환밸브 |
JP3216815B2 (ja) * | 1991-01-23 | 2001-10-09 | 株式会社小松製作所 | 圧力補償弁を有する油圧回路 |
FR2694605B1 (fr) * | 1992-08-04 | 1994-11-10 | Bennes Marrel | Ensemble de commande d'une pluralité de récepteurs hydrauliques. |
US5447093A (en) * | 1993-03-30 | 1995-09-05 | Caterpillar Inc. | Flow force compensation |
-
1994
- 1994-09-30 KR KR1019940025347A patent/KR100226281B1/ko not_active IP Right Cessation
-
1995
- 1995-06-30 US US08/497,574 patent/US5584227A/en not_active Expired - Lifetime
- 1995-06-30 JP JP7188368A patent/JP2769799B2/ja not_active Expired - Fee Related
- 1995-07-11 DE DE69511650T patent/DE69511650T2/de not_active Expired - Fee Related
- 1995-07-11 EP EP95630083A patent/EP0705984B1/en not_active Expired - Lifetime
- 1995-07-19 CN CN95108972.2A patent/CN1069719C/zh not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103052755A (zh) * | 2010-08-24 | 2013-04-17 | 沃尔沃建造设备有限公司 | 用于控制施工设备的装置 |
CN103052755B (zh) * | 2010-08-24 | 2015-12-16 | 沃尔沃建造设备有限公司 | 用于控制施工设备的装置 |
CN104220763A (zh) * | 2012-06-15 | 2014-12-17 | 住友建机株式会社 | 施工机械的液压回路及其控制装置 |
CN105179346A (zh) * | 2015-08-11 | 2015-12-23 | 第一拖拉机股份有限公司 | 闭心负载反馈液压系统中的两级优先结构控制阀块 |
Also Published As
Publication number | Publication date |
---|---|
EP0705984B1 (en) | 1999-08-25 |
KR100226281B1 (ko) | 1999-10-15 |
EP0705984A2 (en) | 1996-04-10 |
DE69511650T2 (de) | 2000-01-27 |
DE69511650D1 (de) | 1999-09-30 |
JPH08105078A (ja) | 1996-04-23 |
EP0705984A3 (en) | 1997-03-12 |
CN1069719C (zh) | 2001-08-15 |
US5584227A (en) | 1996-12-17 |
JP2769799B2 (ja) | 1998-06-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: AB VOLVO BUILDING EQUIPMENT SWEDEN HOLDING CO., L Free format text: FORMER OWNER: AB VOLVO MANUFACTURING EQUIPMENT (HANGUO) CO., LTD. Effective date: 20020204 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20020204 Address after: Swedish Eskil steynor Patentee after: Volvo construction equipment Sweden Holding Co Address before: Seoul Patentee before: Volvo Construction Equipment (Korea) Co., Ltd. |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20010815 Termination date: 20100719 |