[go: up one dir, main page]

ATE349578T1 - Verfahren und vorrichtung zur endlagendämpfung in hydraulikzylindern von mobilen arbeitsmachinen - Google Patents

Verfahren und vorrichtung zur endlagendämpfung in hydraulikzylindern von mobilen arbeitsmachinen

Info

Publication number
ATE349578T1
ATE349578T1 AT03021744T AT03021744T ATE349578T1 AT E349578 T1 ATE349578 T1 AT E349578T1 AT 03021744 T AT03021744 T AT 03021744T AT 03021744 T AT03021744 T AT 03021744T AT E349578 T1 ATE349578 T1 AT E349578T1
Authority
AT
Austria
Prior art keywords
hydraulic cylinders
end position
working machines
mobile working
position damping
Prior art date
Application number
AT03021744T
Other languages
English (en)
Inventor
Frank Dipl-Ing Fh Helbling
Gerhard Dipl-Ing Fh Kossmann
Original Assignee
Liebherr France Sas
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 Liebherr France Sas filed Critical Liebherr France Sas
Application granted granted Critical
Publication of ATE349578T1 publication Critical patent/ATE349578T1/de

Links

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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/02—Servomotor systems with programme control derived from a store or timing device; Control devices therefor
    • 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
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20546—Type of pump variable capacity
    • 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
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/20576—Systems with pumps with multiple pumps
    • 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
    • F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
    • F15B2211/3157—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line
    • F15B2211/31588—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line having a single pressure source and multiple 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
    • F15B2211/30—Directional control
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/327—Directional control characterised by the type of actuation electrically or electronically
    • 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
    • F15B2211/665—Methods of control using electronic components
    • 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
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
    • F15B2211/7114—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators
    • F15B2211/7128—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators the chambers being connected in parallel
    • 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
    • F15B2211/755—Control of acceleration or deceleration of the output member

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
  • Actuator (AREA)
  • Forklifts And Lifting Vehicles (AREA)
AT03021744T 2002-12-05 2003-09-25 Verfahren und vorrichtung zur endlagendämpfung in hydraulikzylindern von mobilen arbeitsmachinen ATE349578T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10256923A DE10256923B4 (de) 2002-12-05 2002-12-05 Verfahren und Vorrichtung zur Bewegungsdämpfung von Hydraulikzylindern mobiler Arbeitsmaschinen

Publications (1)

Publication Number Publication Date
ATE349578T1 true ATE349578T1 (de) 2007-01-15

Family

ID=32309007

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03021744T ATE349578T1 (de) 2002-12-05 2003-09-25 Verfahren und vorrichtung zur endlagendämpfung in hydraulikzylindern von mobilen arbeitsmachinen

Country Status (7)

Country Link
US (1) US7318292B2 (de)
EP (1) EP1426499B1 (de)
JP (1) JP4503272B2 (de)
KR (1) KR101073202B1 (de)
CN (1) CN100353078C (de)
AT (1) ATE349578T1 (de)
DE (2) DE10256923B4 (de)

Families Citing this family (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US10537671B2 (en) 2006-04-14 2020-01-21 Deka Products Limited Partnership Automated control mechanisms in a hemodialysis apparatus
US20080058697A1 (en) 2006-04-14 2008-03-06 Deka Products Limited Partnership Heat exchange systems, devices and methods
WO2008039495A1 (en) * 2006-09-27 2008-04-03 Amberwave Systems Corporation Tri-gate field-effect transistors formed by aspect ratio trapping
US8042563B2 (en) * 2007-02-27 2011-10-25 Deka Products Limited Partnership Cassette system integrated apparatus
US8366655B2 (en) 2007-02-27 2013-02-05 Deka Products Limited Partnership Peritoneal dialysis sensor apparatus systems, devices and methods
US8425471B2 (en) * 2007-02-27 2013-04-23 Deka Products Limited Partnership Reagent supply for a hemodialysis system
US8409441B2 (en) 2007-02-27 2013-04-02 Deka Products Limited Partnership Blood treatment systems and methods
US8562834B2 (en) 2007-02-27 2013-10-22 Deka Products Limited Partnership Modular assembly for a portable hemodialysis system
US9028691B2 (en) 2007-02-27 2015-05-12 Deka Products Limited Partnership Blood circuit assembly for a hemodialysis system
US8491184B2 (en) 2007-02-27 2013-07-23 Deka Products Limited Partnership Sensor apparatus systems, devices and methods
US8357298B2 (en) 2007-02-27 2013-01-22 Deka Products Limited Partnership Hemodialysis systems and methods
US8393690B2 (en) 2007-02-27 2013-03-12 Deka Products Limited Partnership Enclosure for a portable hemodialysis system
KR101861192B1 (ko) 2007-02-27 2018-05-28 데카 프로덕츠 리미티드 파트너쉽 혈액투석 장치 및 방법
US20090107335A1 (en) 2007-02-27 2009-04-30 Deka Products Limited Partnership Air trap for a medical infusion device
US8771508B2 (en) * 2008-08-27 2014-07-08 Deka Products Limited Partnership Dialyzer cartridge mounting arrangement for a hemodialysis system
US20100056975A1 (en) * 2008-08-27 2010-03-04 Deka Products Limited Partnership Blood line connector for a medical infusion device
KR100974275B1 (ko) * 2007-12-17 2010-08-06 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 소 선회식 굴삭기의 붐 충격 완화장치 및 그 제어방법
US10201647B2 (en) 2008-01-23 2019-02-12 Deka Products Limited Partnership Medical treatment system and methods using a plurality of fluid lines
US7975410B2 (en) * 2008-05-30 2011-07-12 Caterpillar Inc. Adaptive excavation control system having adjustable swing stops
US12171922B2 (en) 2008-08-27 2024-12-24 Deka Products Limited Partnership Blood treatment systems and methods
US9206589B2 (en) * 2009-03-31 2015-12-08 Caterpillar Inc. System and method for controlling machines remotely
US20100245129A1 (en) * 2009-03-31 2010-09-30 Caterpillar Inc. System and method for identifying machines
US10208529B2 (en) 2009-06-23 2019-02-19 Higher Power Hydraulic Doors, Llc Tilt-up door
CN101666105B (zh) * 2009-07-08 2011-08-10 北汽福田汽车股份有限公司 控制挖掘机动臂上升速度的方法、控制系统及一种挖掘机
WO2011053810A2 (en) * 2009-10-30 2011-05-05 Deka Products Limited Partnership Apparatus and method for detecting disconnection of an intravascular access device
JP5048169B2 (ja) * 2010-03-15 2012-10-17 株式会社小松製作所 建設車両の作業機の制御装置及び制御方法
DE102010032359A1 (de) * 2010-07-27 2012-02-02 Robert Bosch Gmbh Vorrichtung und Verfahren zur geschwindigkeitsabhängigen Endlagendämpfung eines Kolbens
KR20120072729A (ko) * 2010-12-24 2012-07-04 두산인프라코어 주식회사 상이한 컷오프 압력을 구비한 유압 펌프를 포함하는 휠로더
SG10201604167XA (en) 2011-05-24 2016-07-28 Deka Products Lp Blood treatment systems and methods
MX368025B (es) 2011-05-24 2019-09-13 Deka Products Lp Sistema de hemodiálisis.
FR2975774B1 (fr) * 2011-05-25 2014-01-17 Eurocopter France Procede de determination de l'effort statique developpe par une servocommande
US8899143B2 (en) * 2011-06-28 2014-12-02 Caterpillar Inc. Hydraulic control system having variable pressure relief
JP5752526B2 (ja) * 2011-08-24 2015-07-22 株式会社小松製作所 油圧駆動システム
JP6027129B2 (ja) 2011-11-04 2016-11-16 デカ・プロダクツ・リミテッド・パートナーシップ 複数の流体ラインを使用する医療システム
US8666610B2 (en) * 2012-03-15 2014-03-04 Komatsu Ltd. Work vehicle and method for controlling work vehicle
CN102616217B (zh) * 2012-04-16 2013-12-11 中联重科股份有限公司 一种工程机械支腿展收的控制方法、装置及系统
CN103423235B (zh) * 2012-05-23 2015-11-25 中联重科股份有限公司 液压缸缓冲控制方法、缓冲式液压缸控制系统及液压设备
CN102678663B (zh) * 2012-05-30 2015-05-20 上海三一重机有限公司 一种挖掘机用油缸及带有该油缸的挖掘机
CN102979782B (zh) * 2012-11-07 2015-05-20 中国航空工业集团公司沈阳发动机设计研究所 一种作动筒同步极限限位装置
DE102012024155B4 (de) 2012-12-04 2014-07-10 Komatsu Mining Germany Gmbh Hydraulikzylinder mit einer Endlagendämpfung
KR101471288B1 (ko) * 2013-05-06 2014-12-09 현대중공업 주식회사 선회밀림방지장치를 구비한 굴삭기 선회장치
CN103644174B (zh) * 2013-12-16 2016-04-20 中联重科股份有限公司 串联油缸的行程控制方法、装置和系统
US12026271B2 (en) 2014-05-27 2024-07-02 Deka Products Limited Partnership Control systems and methods for blood or fluid handling medical devices
CN104006037B (zh) * 2014-06-06 2016-05-11 山东中川液压有限公司 一种三泵式液压挖掘机供油装置
JP5634654B1 (ja) 2014-06-18 2014-12-03 株式会社小松製作所 作業車両および作業車両の制御方法
US9371626B2 (en) * 2014-09-10 2016-06-21 Komatsu Ltd. Work vehicle
CN104999695B (zh) * 2015-06-15 2016-09-28 浙江大学 一种实现液压机超低速稳定运行的电液控制系统
KR200485329Y1 (ko) 2015-09-25 2017-12-26 라온상사 주식회사 기능성 젓가락
JP6559529B2 (ja) * 2015-10-06 2019-08-14 日立建機株式会社 建設機械
CN108474392B (zh) * 2016-01-29 2020-04-03 株式会社小松制作所 液压缸用滑阀装置
GB2553504A (en) * 2016-08-26 2018-03-14 Caterpillar Inc A machine comprising a body and an implement movable relative to the body
JP6697361B2 (ja) * 2016-09-21 2020-05-20 川崎重工業株式会社 油圧ショベル駆動システム
CN107178116B (zh) * 2017-06-19 2020-06-09 徐州徐工挖掘机械有限公司 一种挖掘机行走自动调速系统及挖掘机
EP3450634B1 (de) 2017-08-30 2021-03-03 Topcon Positioning Systems, Inc. Verfahren und vorrichtung zur maschinenbedienerbefehlsdämpfung
CN109210036B (zh) * 2018-10-16 2020-07-07 武汉深能环保新沟垃圾发电有限公司 一种液压系统协调控制方法、系统、设备及存储介质
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
US11408449B2 (en) 2019-09-27 2022-08-09 Topcon Positioning Systems, Inc. Dithering hydraulic valves to mitigate static friction
US11828040B2 (en) * 2019-09-27 2023-11-28 Topcon Positioning Systems, Inc. Method and apparatus for mitigating machine operator command delay
CN110984261B (zh) * 2019-11-21 2021-05-11 中联重科股份有限公司 挖掘机的油缸流量分配控制方法、装置及挖掘机
IT202000025864A1 (it) 2020-10-30 2022-04-30 Cnh Ind Italia Spa Procedimenti di controllo per azionare il movimento di un braccio o un attrezzo in una macchina operatrice, corrispondenti sistemi di controllo e macchine operatrici comprendenti tali sistemi di controllo
KR102309152B1 (ko) * 2021-04-30 2021-10-06 주식회사 이그린테크 김치 양념 투입장치
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 (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1382057A (en) * 1971-12-17 1975-01-29 Rank Organisation Ltd Servomechanisms
JPS5932389B2 (ja) * 1977-05-20 1984-08-08 株式会社日立製作所 油圧エレベ−タの制御装置
SE440129B (sv) * 1979-06-20 1985-07-15 Akermans Verkstad Ab Anordning for att reducera kolvhastigheten i en cylinder, da kolven nermar sig endlegena
SE459878B (sv) * 1985-01-07 1989-08-14 Akermans Verkstad Ab Foerfarande och anordning foer att reducera kolvhastigheten i speciellt en arbetsmaskins kolv- och cylinderaggregat
JPS6374881A (ja) * 1987-07-31 1988-04-05 株式会社日立製作所 油圧エレベ−タ
JPS6374880A (ja) * 1987-07-31 1988-04-05 株式会社日立製作所 油圧エレベ−タ
JPH04181003A (ja) * 1990-11-15 1992-06-29 Komatsu Ltd 油圧シリンダの駆動制御装置
US5261234A (en) * 1992-01-07 1993-11-16 Caterpillar Inc. Hydraulic control apparatus
DE4201464C2 (de) * 1992-01-21 1995-08-24 Festo Kg Vorrichtung zur Dämpfung eines in einem Zylinder verschiebbaren Kolbens in wenigstens einem seiner Endlagenbereiche
JP2884545B2 (ja) * 1992-11-25 1999-04-19 キヤノン株式会社 シリンダ装置の制御方法
JPH06330907A (ja) * 1993-05-26 1994-11-29 Kayaba Ind Co Ltd 液圧アクチュエータの同期制御回路
US5537818A (en) * 1994-10-31 1996-07-23 Caterpillar Inc. Method for controlling an implement of a work machine
JP3068772B2 (ja) * 1995-08-31 2000-07-24 日立建機株式会社 掘削装置の制御装置
DE19721632C2 (de) * 1997-05-23 2003-02-13 Bernhard Moosmann Verfahren zum Steuern eines fluidischen Antriebes
JP3856922B2 (ja) * 1997-09-25 2006-12-13 Ｓｍｃ株式会社 速度制御機構付シリンダ
DE19801338C1 (de) * 1998-01-16 1999-06-02 Festo Ag & Co Vorrichtung zur gedämpften Positionierung eines in einem Zylinder verschiebbaren Kolbens an wenigstens einem Festanschlag, insbesondere zur Endlagenpositionierung
DE19915260C5 (de) * 1999-04-03 2009-06-04 Robert Bosch Gmbh Linearantrieb
DE10122297C1 (de) * 2001-05-08 2002-06-27 Festo Ag & Co Vorrichtung zur gedämpften Positionierung eines in einem Zylinder verschiebbaren Kolbens in einer Anschlagposition
JP2003056514A (ja) 2001-08-13 2003-02-26 Sumitomo (Shi) Construction Machinery Manufacturing Co Ltd 建設機械の油圧シリンダ制御装置
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

Also Published As

Publication number Publication date
DE10256923B4 (de) 2013-10-24
KR20040049277A (ko) 2004-06-11
JP2004183899A (ja) 2004-07-02
CN1566717A (zh) 2005-01-19
US7318292B2 (en) 2008-01-15
DE50306094D1 (de) 2007-02-08
DE10256923A1 (de) 2004-06-17
JP4503272B2 (ja) 2010-07-14
CN100353078C (zh) 2007-12-05
EP1426499B1 (de) 2006-12-27
US20040128868A1 (en) 2004-07-08
KR101073202B1 (ko) 2011-10-12
EP1426499A1 (de) 2004-06-09

Similar Documents

Publication Publication Date Title
ATE349578T1 (de) Verfahren und vorrichtung zur endlagendämpfung in hydraulikzylindern von mobilen arbeitsmachinen
ATE395512T1 (de) Vorrichtung und verfahren zur steuerung einer zweizylinder-dickstoffpumpe
ATE473894T1 (de) Antrieb mit energiespeichereinrichtung und verfahren zum speichern von kinetischer energie
DE60324119D1 (de) Motorsystem
EA200702145A1 (ru) Одномагистральное смазочное устройство
ATE367523T1 (de) Vorrichtung und verfahren zur steuerung einer dickstoffpumpe
ATE454507T1 (de) Verfahren und vorrichtung zur bewegungstilgung bei baumaschinen
DE50103395D1 (de) Verfahren und vorrichtung zur steuerung eines hubzylinders, insbesondere von arbeitsmaschinen
DE60120403D1 (de) Vorrichtung und verfahren zur schmierung einer kolbenmaschine
ATE422629T1 (de) Schwingungsdämpfer mit amplitudenselektiver dämpfkraft
SE0201198L (sv) Anordning och förfarande för att gripa om åtminstone ett långsträckt element samt fordon innefattande anordningen
DE50208410D1 (de) Vorrichtung zur dämpfung von druckpulsationen in hochdruckeinspritzsystemen
BR0305557A (pt) Sistema de acionamento hidráulico
ATE384630T1 (de) Hydraulische steuervorrichtung
DE60201144D1 (de) Vorrichtung zum Steuern eines variablen Drucks
ATE388301T1 (de) Verfahren zur filterung von pumpengeräuschen
DE50304281D1 (de) Vorrichtung zur Dämpfung bzw. Abbremsung von beweglichen Möbelteilen von Möbelstücken
ATE428856T1 (de) System zum pumpen von kryogenem fluid
DE602005019295D1 (de) Verfahren und vorrichtung zum schmieren von zylinderflächen in grossen dieselmotoren
ATE168972T1 (de) Einrichtung zum behandeln von wässrigem schlamm
DE502005008465D1 (de) Federungs- und Dämpfungseinrichtung für Kraftfahrzeuge
NO20035587L (no) Kontrollsystem for hydraulisk sylinder, plugg med hydraulisk sylinder, samt fremgangsmate for a feste og losgjore en plugg
ATE299996T1 (de) Hydraulische antriebsvorrichtung, verfahren zum betreiben einer hydraulischen antriebsvorrichtung und regel-/steuergerät hierfür
ATE363032T1 (de) Vorrichtung zur steuerung eines hydraulisch angetriebenen motors
ATE421069T1 (de) Vorrichtung zum erzeugen und aufrechterhalten eines gewünschten drucks/stroms

Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee