DK465787D0 - Fremgangsmaade til reducering af stempelhastigheden, specielt i en arbejdsmaskines stempel- og cylinderaggregat samt apparat til udoevelse af fremgangsmaaden - Google Patents
Fremgangsmaade til reducering af stempelhastigheden, specielt i en arbejdsmaskines stempel- og cylinderaggregat samt apparat til udoevelse af fremgangsmaadenInfo
- Publication number
- DK465787D0 DK465787D0 DK465787A DK465787A DK465787D0 DK 465787 D0 DK465787 D0 DK 465787D0 DK 465787 A DK465787 A DK 465787A DK 465787 A DK465787 A DK 465787A DK 465787 D0 DK465787 D0 DK 465787D0
- Authority
- DK
- Denmark
- Prior art keywords
- piston
- pct
- cylinder assembly
- unit
- braking
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 230000004913 activation Effects 0.000 abstract 2
- 238000013459 approach Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
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
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
- E02F9/2214—Arrangements for controlling the attitude of actuators, e.g. speed, floating function for reducing the shock generated at the stroke end
-
- 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
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
- F15B11/046—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed depending on the position of the working member
- F15B11/048—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed depending on the position of the working member with deceleration 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
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
-
- 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
- F15B2211/32—Directional control characterised by the type of actuation
- F15B2211/329—Directional 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
- F15B2211/30—Directional control
- F15B2211/35—Directional control combined with flow control
- F15B2211/351—Flow control by regulating means in 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6336—Electronic controllers using input signals representing a state of the output member, e.g. position, speed or acceleration
-
- 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/635—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements
- F15B2211/6355—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements having valve means
-
- 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/665—Methods of control using electronic components
- F15B2211/6654—Flow rate 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
- F15B2211/70—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
-
- 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
- F15B2211/715—Output members, e.g. hydraulic motors or cylinders or control therefor having braking means
-
- 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
- F15B2211/75—Control of speed of the output member
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
- Press Drives And Press Lines (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Actuator (AREA)
- Electric Cable Installation (AREA)
- Fats And Perfumes (AREA)
- Medicines Containing Plant Substances (AREA)
- Stringed Musical Instruments (AREA)
- Rotary Pumps (AREA)
- Braking Arrangements (AREA)
- Vehicle Body Suspensions (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8500048A SE459878B (sv) | 1985-01-07 | 1985-01-07 | Foerfarande och anordning foer att reducera kolvhastigheten i speciellt en arbetsmaskins kolv- och cylinderaggregat |
SE8500048 | 1985-01-07 | ||
PCT/SE1986/000003 WO1987004220A1 (en) | 1985-01-07 | 1986-01-08 | Method for reducing the piston speed, especially in the piston and cylinder assemblies of an excavating machine, and device for carrying out the method |
SE8600003 | 1986-01-08 |
Publications (4)
Publication Number | Publication Date |
---|---|
DK465787D0 true DK465787D0 (da) | 1987-09-07 |
DK465787A DK465787A (da) | 1987-09-25 |
DK163370B DK163370B (da) | 1992-02-24 |
DK163370C DK163370C (da) | 1992-08-03 |
Family
ID=26658856
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK465787A DK163370C (da) | 1985-01-07 | 1987-09-07 | Fremgangsmaade til at formindske stempelhastigheden, isaer i stempel- og cylinderenheder i en gravemaskine, og apparat til at gennemfoere fremgangsmaaden |
Country Status (9)
Country | Link |
---|---|
US (1) | US4896582A (da) |
EP (1) | EP0292473B1 (da) |
AT (1) | ATE52577T1 (da) |
DE (1) | DE3671072D1 (da) |
DK (1) | DK163370C (da) |
FI (1) | FI87103C (da) |
NO (1) | NO162783C (da) |
SE (1) | SE459878B (da) |
WO (1) | WO1987004220A1 (da) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1217518B (it) * | 1988-05-06 | 1990-03-22 | Domini Farrel Spa | Dispositivo e procedimento di alimentazione,con recupero dell'energia di sollevamento,per attuatori di pressatura |
US5261234A (en) * | 1992-01-07 | 1993-11-16 | Caterpillar Inc. | Hydraulic control apparatus |
JPH05196004A (ja) * | 1992-01-20 | 1993-08-06 | Komatsu Ltd | 作業機シリンダの自動クッション制御装置 |
GB9223827D0 (en) * | 1992-11-13 | 1993-01-06 | Fermec Mfg Ltd | System for controlling the speed of a piston in a piston and cylinder assembly |
DE4306127C2 (de) * | 1993-02-27 | 2002-08-08 | Putzmeister Ag | Großmanipulator, insbesondere für Autobetonpumpen |
DE4410103C1 (de) * | 1994-03-21 | 1995-08-31 | Mannesmann Ag | Antrieb der fluidischen oder elektrischen Bauart mit einer Steuerung |
US5537818A (en) * | 1994-10-31 | 1996-07-23 | Caterpillar Inc. | Method for controlling an implement of a work machine |
US5765337A (en) * | 1996-05-23 | 1998-06-16 | Forpak, Inc. | Apparatus and method for stacking and boxing stackable articles |
DE10101570B4 (de) * | 2001-01-15 | 2008-12-04 | Schwing Gmbh | Großmanipulator mit Schwingungsdämpfung |
DE10256923B4 (de) * | 2002-12-05 | 2013-10-24 | Liebherr-France S.A. | Verfahren und Vorrichtung zur Bewegungsdämpfung von Hydraulikzylindern mobiler Arbeitsmaschinen |
JP2004293628A (ja) * | 2003-03-26 | 2004-10-21 | Kayaba Ind Co Ltd | 液圧シリンダの制御装置 |
JP4114684B2 (ja) * | 2005-08-11 | 2008-07-09 | コベルコ建機株式会社 | 油圧シリンダの制御装置及びこれを備えた作業機械 |
WO2007086783A1 (en) * | 2006-01-26 | 2007-08-02 | Volvo Construction Equipment Ab | A method for controlling a movement of a vehicle component |
US7798277B2 (en) | 2007-05-31 | 2010-09-21 | Caterpillar Inc | Machine retarder |
KR100974275B1 (ko) * | 2007-12-17 | 2010-08-06 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 소 선회식 굴삭기의 붐 충격 완화장치 및 그 제어방법 |
ITUD20080057A1 (it) * | 2008-03-17 | 2009-09-18 | Cifa Spa | Procedimento di controllo delle vibrazioni di un braccio articolato per il pompaggio di calcestruzzo, e relativo dispositivo |
US8453441B2 (en) * | 2008-11-06 | 2013-06-04 | Purdue Research Foundation | System and method for pump-controlled cylinder cushioning |
IT1397794B1 (it) * | 2010-01-26 | 2013-01-24 | Cifa Spa | Dispositivo per il controllo attivo delle vibrazioni di un braccio articolato per il pompaggio di calcestruzzo. |
CN102652200B (zh) * | 2010-03-15 | 2014-10-15 | 株式会社小松制作所 | 用于施工车辆的工作机构的控制装置和控制方法 |
CN103403271B (zh) | 2011-03-08 | 2015-11-25 | 住友建机株式会社 | 挖土机及挖土机的控制方法 |
JP5969380B2 (ja) | 2012-12-21 | 2016-08-17 | 住友建機株式会社 | ショベル及びショベル制御方法 |
US9810242B2 (en) * | 2013-05-31 | 2017-11-07 | Eaton Corporation | Hydraulic system and method for reducing boom bounce with counter-balance protection |
CN105637232B (zh) * | 2013-08-30 | 2018-06-19 | 伊顿公司 | 使用一对独立液压计量阀降低动臂振荡的控制方法和系统 |
US10316929B2 (en) | 2013-11-14 | 2019-06-11 | Eaton Intelligent Power Limited | Control strategy for reducing boom oscillation |
CN105849421B (zh) | 2013-11-14 | 2019-01-15 | 伊顿公司 | 用于减少动臂跳动的先导控制机构 |
US20150375974A1 (en) * | 2014-06-27 | 2015-12-31 | Caterpillar Forest Products Inc. | Stabilizer legs for knuckleboom loader |
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 |
US9546672B2 (en) * | 2014-07-24 | 2017-01-17 | Google Inc. | Actuator limit controller |
JP6710442B2 (ja) * | 2015-09-18 | 2020-06-17 | 住友重機械工業株式会社 | ショベル |
SE541823C2 (en) | 2016-06-09 | 2019-12-27 | Husqvarna Ab | Improved arrangement and method for operating a hydraulic cylinder |
WO2018200689A1 (en) | 2017-04-28 | 2018-11-01 | Eaton Intelligent Power Limited | System with motion sensors for damping mass-induced vibration in machines |
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 |
JP7305968B2 (ja) | 2019-01-28 | 2023-07-11 | コベルコ建機株式会社 | 作業機械における油圧シリンダの駆動装置 |
WO2021004657A1 (en) * | 2019-07-08 | 2021-01-14 | Eaton Intelligent Power Limited | Hydraulic system architectures and bidirectional proportional valves usable in the system architectures |
DE102023000817A1 (de) * | 2023-03-03 | 2024-09-05 | Hydac Systems & Services Gmbh | Verfahren zum Ansteuern eines fluidischen Aktors nebst Vorrichtung zum Durchführen des Verfahrens |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3098382A (en) * | 1960-03-04 | 1963-07-23 | Lockheed Aircraft Corp | Hydraulic test equipment |
GB1350084A (en) * | 1971-02-18 | 1974-04-18 | Rank Organisation Ltd | Servomechanisms |
GB1382057A (en) * | 1971-12-17 | 1975-01-29 | Rank Organisation Ltd | Servomechanisms |
US4037519A (en) * | 1975-04-21 | 1977-07-26 | Deere & Company | Hydraulic system |
DE2609434C2 (de) * | 1976-03-06 | 1985-03-07 | Robert Bosch Gmbh, 7000 Stuttgart | Einrichtung zur Steuerung eines hydraulischen Motors |
US4202247A (en) * | 1976-10-29 | 1980-05-13 | Hunkar Laboratories, Inc. | Closed loop electro-fluidic control system |
SE440129B (sv) * | 1979-06-20 | 1985-07-15 | Akermans Verkstad Ab | Anordning for att reducera kolvhastigheten i en cylinder, da kolven nermar sig endlegena |
DE3110676C2 (de) * | 1981-03-19 | 1985-01-03 | Kracht Pumpen- Und Motorenfabrik Gmbh & Co Kg, 5980 Werdohl | Steuereinrichtung für hydraulische Antriebe mit den Zu- bzw. Ablauf des Hydraulikmediums zum Antriebsgerät steuernden Proportionalventilen |
DE3228900A1 (de) * | 1981-08-21 | 1983-03-31 | Sperry Corp., 10019 New York, N.Y. | Rueckkopplungsgesteuertes, hydraulisches ventilsystem |
US4574687A (en) * | 1982-07-20 | 1986-03-11 | Mannesmann Rexroth Gmbh | Apparatus for positioning an adjusting member |
JPH0754641Y2 (ja) * | 1986-05-09 | 1995-12-18 | 東洋運搬機株式会社 | 荷役位置制御装置 |
-
1985
- 1985-01-07 SE SE8500048A patent/SE459878B/sv not_active IP Right Cessation
-
1986
- 1986-01-08 US US07/216,542 patent/US4896582A/en not_active Expired - Fee Related
- 1986-01-08 EP EP86900867A patent/EP0292473B1/en not_active Expired - Lifetime
- 1986-01-08 WO PCT/SE1986/000003 patent/WO1987004220A1/en active IP Right Grant
- 1986-01-08 DE DE8686900867T patent/DE3671072D1/de not_active Expired - Fee Related
- 1986-01-08 AT AT86900867T patent/ATE52577T1/de active
-
1987
- 1987-09-07 NO NO87873735A patent/NO162783C/no unknown
- 1987-09-07 DK DK465787A patent/DK163370C/da not_active IP Right Cessation
-
1988
- 1988-07-06 FI FI883229A patent/FI87103C/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DK163370B (da) | 1992-02-24 |
FI883229A (fi) | 1988-07-06 |
ATE52577T1 (de) | 1990-05-15 |
DK465787A (da) | 1987-09-25 |
DK163370C (da) | 1992-08-03 |
FI87103C (fi) | 1992-11-25 |
NO162783C (no) | 1990-02-14 |
SE459878B (sv) | 1989-08-14 |
NO873735L (no) | 1987-10-20 |
WO1987004220A1 (en) | 1987-07-16 |
EP0292473B1 (en) | 1990-05-09 |
FI883229A0 (fi) | 1988-07-06 |
SE8500048L (sv) | 1986-07-08 |
NO873735D0 (no) | 1987-09-07 |
EP0292473A1 (en) | 1988-11-30 |
NO162783B (no) | 1989-11-06 |
DE3671072D1 (de) | 1990-06-13 |
FI87103B (fi) | 1992-08-14 |
SE8500048D0 (sv) | 1985-01-07 |
US4896582A (en) | 1990-01-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |