JP5959252B2 - 液圧式の制御弁装置 - Google Patents
液圧式の制御弁装置 Download PDFInfo
- Publication number
- JP5959252B2 JP5959252B2 JP2012063458A JP2012063458A JP5959252B2 JP 5959252 B2 JP5959252 B2 JP 5959252B2 JP 2012063458 A JP2012063458 A JP 2012063458A JP 2012063458 A JP2012063458 A JP 2012063458A JP 5959252 B2 JP5959252 B2 JP 5959252B2
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- JP
- Japan
- Prior art keywords
- control
- valve
- line
- counter balance
- pressure
- 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.)
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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
- F15B11/003—Systems with load-holding valves
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- 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
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30505—Non-return valves, i.e. check valves
- F15B2211/30515—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
- F15B2211/50518—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief valves
- F15B2211/50527—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief valves using cross-pressure relief 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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7051—Linear output members
- F15B2211/7053—Double-acting output members
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Description
Claims (3)
- 複動式の液圧シリンダ(7)を制御するための液圧式の制御弁装置(1)であって、中間位置において絞り作用を有する制御弁(2)が設けられていて、該制御弁(2)は、ポンプ(4)の搬送管路(3)、タンク(5)に通じるタンク管路(6)及び液圧シリンダ(7)に通じる消費機管路(8a,8b)と接続されており、制御弁(2)は、各1つの制御液圧(PA;PB)によって1つの制御位置(2b;2c)に向かって操作されるようになっており、該制御位置(2b;2c)において1つの消費機管路(8a;8b)が、搬送管路(3)に接続された供給側を形成し、かつ別の消費機管路(8b;8a)は、タンク(5)に接続された流出側を形成しており、消費機管路(8a,8b)には、弁座シール作用を有する各1つのカウンタバランス弁(15a,15b)が液圧シリンダ(7)のリークオイルのない遮断のために配置されており、該カウンタバランス弁(15a,15b)は漏れのない遮断位置(16a,16b)と貫流位置(18a,18b)とを有している形式のものにおいて、流出側に配置された弁座シール作用を有するカウンタバランス弁(15b;15a)は、制御弁(2)の制御液圧(PA;PB)によって貫流位置(18b;18a)に向かって操作可能であり、
負の負荷が液圧シリンダ(7)に作用した場合に、液圧シリンダ(7)の供給側における供給圧に関連して、カウンタバランス弁(15b,15a)を貫流位置へと負荷する制御液圧(P A ;P B )に影響を及ぼすことができる、
ことを特徴とする、液圧式の制御弁装置。 - カウンタバランス弁(15b,15a)を操作するためにパイロット制御管路(20a;20b)が設けられていて、該パイロット制御管路(20a;20b)は、カウンタバランス弁(15b;15a)の、貫流位置(18b;18a)に向かって作用する制御面から延びて、制御弁(2)の制御液圧(PA;PB)を導く制御圧管路(10a;10b)へと接続されており、しかもパイロット制御管路(20a;20b)には絞り装置(21a,21b)が配置されていて、パイロット制御管路(20a;20b)は絞り装置(21a;21b)とカウンタバランス弁(15b;15a)との間において、供給側に通じる流出管路(22a;22b)と接続されており、該流出管路(22a;22b)内に別の絞り装置(23a;23b)が配置され、かつ該別の絞り装置(23a;23b)の下流に、供給側に向かって開放する遮断弁(24a;24b)が配置されている、請求項1記載の制御弁装置。
- 絞り装置(21a;21b;23a;23b)がオリフィス又はノズルとして形成されている、請求項2記載の制御弁装置
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201110014685 DE102011014685A1 (de) | 2011-03-22 | 2011-03-22 | Hydraulische Steuerventileinrichtung |
DE102011014685.7 | 2011-03-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012197937A JP2012197937A (ja) | 2012-10-18 |
JP5959252B2 true JP5959252B2 (ja) | 2016-08-02 |
Family
ID=45841217
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012063458A Active JP5959252B2 (ja) | 2011-03-22 | 2012-03-21 | 液圧式の制御弁装置 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2503161B1 (ja) |
JP (1) | JP5959252B2 (ja) |
CN (1) | CN102691683B (ja) |
DE (1) | DE102011014685A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105593438B (zh) | 2013-05-31 | 2019-07-05 | 伊顿智能动力有限公司 | 用于通过平衡保护来降低动臂跳动的液压系统及方法 |
WO2015031821A1 (en) * | 2013-08-30 | 2015-03-05 | Eaton Corporation | Control method and system for using a pair of independent hydraulic metering valves to reduce boom oscillations |
EP3069030B1 (en) | 2013-11-14 | 2020-12-30 | Eaton Intelligent Power Limited | Pilot control mechanism for boom bounce reduction |
WO2015073330A1 (en) | 2013-11-14 | 2015-05-21 | Eaton Corporation | Control strategy for reducing boom oscillation |
CN106661894B (zh) | 2014-07-15 | 2019-12-10 | 伊顿公司 | 实现悬臂弹跳减少以及防止液压系统中的非指令运动的方法和设备 |
CN111542702B (zh) | 2017-04-28 | 2022-09-23 | 丹佛斯动力系统Ii技术有限公司 | 用于抑制具有液压控制的吊杆或细长构件的机器中的质量感应振动的系统 |
EP3615813A4 (en) | 2017-04-28 | 2021-01-27 | Eaton Intelligent Power Limited | MOTION SENSOR SYSTEM FOR DAMPING MASS-INDUCED VIBRATIONS IN MACHINES |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6424163U (ja) * | 1987-08-03 | 1989-02-09 | ||
FR2627838B1 (fr) * | 1988-02-25 | 1991-01-11 | Bennes Marrel | Valve de securite pour recepteur hydraulique et circuit hydraulique la comportant |
JP2001002371A (ja) * | 1999-06-25 | 2001-01-09 | Kobe Steel Ltd | 建設機械のアクチュエータ駆動装置 |
JP2002022054A (ja) * | 2000-07-05 | 2002-01-23 | Hitachi Constr Mach Co Ltd | 方向制御弁 |
DE10224731B4 (de) | 2001-06-29 | 2012-09-20 | Linde Material Handling Gmbh | Hydrostatisches Antriebssystem |
US6912849B2 (en) * | 2002-04-09 | 2005-07-05 | Komatsu Ltd. | Cylinder driving system and energy regenerating method thereof |
DE10253340B4 (de) * | 2002-04-26 | 2007-02-15 | Volkmann Gmbh | Betätigungsventil für einen zweiseitig wirksamen Pneumatikzylinder sowie Verwendung eines solchen Betätigungsventils für mittels Pneumatikzylindern ansteuerbare Spulengatter |
JP3776067B2 (ja) * | 2002-08-12 | 2006-05-17 | 株式会社クボタ | 水田作業機の昇降装置 |
JP4890147B2 (ja) * | 2006-08-04 | 2012-03-07 | 日立建機株式会社 | 油圧アクチュエータ回路の負荷保持装置 |
KR101617609B1 (ko) * | 2008-02-12 | 2016-05-18 | 파커-한니핀 코포레이션 | 유압 작업 기계용 흐름 관리 시스템 |
-
2011
- 2011-03-22 DE DE201110014685 patent/DE102011014685A1/de not_active Withdrawn
-
2012
- 2012-02-28 CN CN201210055999.0A patent/CN102691683B/zh not_active Expired - Fee Related
- 2012-03-01 EP EP12157756.3A patent/EP2503161B1/de active Active
- 2012-03-21 JP JP2012063458A patent/JP5959252B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2012197937A (ja) | 2012-10-18 |
EP2503161B1 (de) | 2017-10-04 |
DE102011014685A1 (de) | 2012-09-27 |
CN102691683B (zh) | 2016-02-03 |
CN102691683A (zh) | 2012-09-26 |
EP2503161A2 (de) | 2012-09-26 |
EP2503161A3 (de) | 2016-02-10 |
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