EP2199622A3 - Hydrauliksystem - Google Patents

Hydrauliksystem Download PDF

Info

Publication number
EP2199622A3
EP2199622A3 EP09177880A EP09177880A EP2199622A3 EP 2199622 A3 EP2199622 A3 EP 2199622A3 EP 09177880 A EP09177880 A EP 09177880A EP 09177880 A EP09177880 A EP 09177880A EP 2199622 A3 EP2199622 A3 EP 2199622A3
Authority
EP
European Patent Office
Prior art keywords
control unit
displacement pump
variable displacement
flow regulator
delivery flow
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
Application number
EP09177880A
Other languages
English (en)
French (fr)
Other versions
EP2199622A2 (de
EP2199622B1 (de
Inventor
Marcus Bitter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Deere and Co
Original Assignee
Deere and Co
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 Deere and Co filed Critical Deere and Co
Publication of EP2199622A2 publication Critical patent/EP2199622A2/de
Publication of EP2199622A3 publication Critical patent/EP2199622A3/de
Application granted granted Critical
Publication of EP2199622B1 publication Critical patent/EP2199622B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • F15B11/042—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the feed line, i.e. "meter in"
    • F15B11/0423—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the feed line, i.e. "meter in" by controlling pump output or bypass, other than to maintain constant 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
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps
    • E02F9/2235—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps including an electronic controller
    • 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
    • E02F9/2278—Hydraulic circuits
    • E02F9/2296—Systems with a variable displacement pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/10—Other safety measures
    • 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
    • F15B2211/20553—Type of pump variable capacity with pilot circuit, e.g. for controlling a swash plate
    • 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
    • F15B2211/25—Pressure control functions
    • F15B2211/253—Pressure margin control, e.g. pump pressure in relation to load 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/633—Electronic controllers using input signals representing a state of the prime mover, e.g. torque or rotational speed
    • 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
    • F15B2211/6343—Electronic controllers using input signals representing a temperature
    • 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
    • F15B2211/6652—Control of the pressure source, e.g. control of the swash plate angle
    • 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
    • F15B2211/6653—Pressure control

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
  • Control Of Fluid Gearings (AREA)

Abstract

Es wird ein Hydrauliksystem (10) mit einem Antriebsmotor (25), einer durch den Antriebsmotor (25) antreibbaren hydraulischen Verstellpumpe (18), einem durch die Verstellpumpe (18) antreibbaren hydraulischen Verbraucher (12) und einer elektronischen Steuereinheit (32) vorgeschlagen, wobei die Verstellpumpe (18) mit einem Förderstromregler (20) ausgestattet ist, mit welchem eine sich zwischen Verbraucher (12) und Verstellpumpe (18) einstellende Druckdifferenz auf einen voreingestellten Regeldruckdifferenzwert regelbar ist. Um die Leistungsabgabe der Verstellpumpe an die Betriebsbedingungen eines Fahrzeugs (44) anzupassen, wird vorgeschlagen, dass der Förderstromregler (20) durch die Steuereinheit (32) ansteuerbare Stellmittel (38, 38') umfasst, durch welche der Regeldruckdifferenzwert am Förderstromregler (20) über die elektronische Steuereinheit (32) veränderbar ist, wobei die elektronische Steuereinheit (32) ein antriebsdrehzahlabhängiges Signal erfasst, in Abhängigkeit dessen durch die Steuereinheit (32) ein Steuersignal für das ansteuerbare Stellmittel (38, 38') generierbar ist, welches den Regeldruckdifferenzwert am Förderstromregler (20) verändert.
EP09177880.3A 2008-12-18 2009-12-03 Hydrauliksystem Active EP2199622B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008054880A DE102008054880A1 (de) 2008-12-18 2008-12-18 Hydrauliksystem

Publications (3)

Publication Number Publication Date
EP2199622A2 EP2199622A2 (de) 2010-06-23
EP2199622A3 true EP2199622A3 (de) 2013-03-06
EP2199622B1 EP2199622B1 (de) 2017-09-20

Family

ID=42066223

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09177880.3A Active EP2199622B1 (de) 2008-12-18 2009-12-03 Hydrauliksystem

Country Status (3)

Country Link
US (1) US8495871B2 (de)
EP (1) EP2199622B1 (de)
DE (1) DE102008054880A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013035425A1 (ja) * 2011-09-07 2013-03-14 日立建機株式会社 建設機械
US9145660B2 (en) * 2012-08-31 2015-09-29 Caterpillar Inc. Hydraulic control system having over-pressure protection
CN103790873A (zh) * 2012-10-31 2014-05-14 博世力士乐（常州）有限公司 液压驱动装置及***
AU2013201057B2 (en) * 2012-11-06 2014-11-20 SINGH, Kalvin Jit MR Improvements in and Relating to Load Transfer
CN102996537B (zh) * 2012-11-15 2014-12-24 四川宏华石油设备有限公司 一种动力水龙头无级调速液压***
US9518655B2 (en) 2013-01-29 2016-12-13 Deere & Company Continuously adjustable control management for a hydraulic track system
DE102013008792B4 (de) 2013-05-23 2016-12-22 Thomas Magnete Gmbh Verfahren und Vorrichtung zur Verstellung einer hydraulischen Verstellpumpe
DE102013008793B4 (de) 2013-05-23 2017-10-19 Thomas Magnete Gmbh Verfahren und Vorrichtung zur Verstellung einer Verstellpumpe im offenen Hydraulikkreislauf
EP3263954B1 (de) * 2016-06-28 2019-12-11 Thomas Magnete GmbH Hydrostatischer antrieb mit geschlossenem kreislauf und verfahren zum betrieb des antriebs
US10085320B1 (en) * 2016-10-21 2018-09-25 Peter Sussman Pre-calibrated light box
CN108071620A (zh) * 2016-11-16 2018-05-25 丹佛斯动力***（浙江）有限公司 电控阀、液压泵、和具备可切换控制功能的液压泵***

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5226800A (en) * 1989-09-22 1993-07-13 Kabushiki Kaisha Komatsu Seisakusho Displacement controlling circuit system for variable displacement pump
EP0877168A1 (de) * 1996-11-21 1998-11-11 Hitachi Construction Machinery Co., Ltd. Hydraulischer antriebsapparat
US6308516B1 (en) * 1998-05-22 2001-10-30 Komatsu Ltd. Control device for hydraulically-operated equipment
WO2007007460A1 (ja) * 2005-07-13 2007-01-18 Hitachi Construction Machinery Co., Ltd. 油圧駆動装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4886422A (en) * 1987-07-09 1989-12-12 Tokyo Keiki Company Ltd. Control apparatus of variable delivery pump
KR920010875B1 (ko) 1988-06-29 1992-12-19 히다찌 겐끼 가부시기가이샤 유압구동장치
EP0432266B2 (de) * 1989-01-18 1997-08-13 Hitachi Construction Machinery Co., Ltd. Hydraulische antriebseinheit für baumaschinen
JPH0374605A (ja) 1989-08-16 1991-03-29 Komatsu Ltd 作業機シリンダの圧油供給装置
DE4127342C2 (de) * 1991-08-19 1995-02-16 Danfoss As Hydraulisches System mit einer Pumpe
KR950019129A (ko) * 1993-12-30 1995-07-22 김무 유압식 건설기계의 엔진-펌프 제어장치 및 방법
DE19622267C1 (de) * 1996-06-03 1997-12-18 Sauer Sundstrand Gmbh & Co Steuer- und Regelsystem für verstellbare Hydraulikpumpen mit Maximaldruckbegrenzung
DE19644961A1 (de) * 1996-10-29 1998-04-30 Samsung Heavy Ind Verfahren zum Steuern des Motor-Pumpe-Systems einer hydraulischen Baumaschine
JP3561667B2 (ja) * 1999-11-18 2004-09-02 新キャタピラー三菱株式会社 油圧ポンプの制御装置
JP3775245B2 (ja) * 2001-06-11 2006-05-17 コベルコ建機株式会社 建設機械のポンプ制御装置
JP4493656B2 (ja) * 2004-07-14 2010-06-30 株式会社小松製作所 作業車両の作業機用油圧ポンプの制御装置
GB0517698D0 (en) 2005-08-30 2005-10-05 Agco Gmbh Hydraulic system for utility vehicles, in particular agricultural tractors

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5226800A (en) * 1989-09-22 1993-07-13 Kabushiki Kaisha Komatsu Seisakusho Displacement controlling circuit system for variable displacement pump
EP0877168A1 (de) * 1996-11-21 1998-11-11 Hitachi Construction Machinery Co., Ltd. Hydraulischer antriebsapparat
US6308516B1 (en) * 1998-05-22 2001-10-30 Komatsu Ltd. Control device for hydraulically-operated equipment
WO2007007460A1 (ja) * 2005-07-13 2007-01-18 Hitachi Construction Machinery Co., Ltd. 油圧駆動装置
US20090031719A1 (en) * 2005-07-13 2009-02-05 Yasutaka Tsuruga Hydraulic Drive System

Also Published As

Publication number Publication date
EP2199622A2 (de) 2010-06-23
DE102008054880A1 (de) 2010-07-01
EP2199622B1 (de) 2017-09-20
US8495871B2 (en) 2013-07-30
US20100154404A1 (en) 2010-06-24

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