DE3674996D1 - Steuersystem fuer hydraulische erdbewegungsmaschinen. - Google Patents

Steuersystem fuer hydraulische erdbewegungsmaschinen.

Info

Publication number
DE3674996D1
DE3674996D1 DE8686118113T DE3674996T DE3674996D1 DE 3674996 D1 DE3674996 D1 DE 3674996D1 DE 8686118113 T DE8686118113 T DE 8686118113T DE 3674996 T DE3674996 T DE 3674996T DE 3674996 D1 DE3674996 D1 DE 3674996D1
Authority
DE
Germany
Prior art keywords
hydraulic
control system
earthmoving machines
earthmoving
machines
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.)
Expired - Lifetime
Application number
DE8686118113T
Other languages
English (en)
Inventor
Akira Tatsumi
Nobuya Okabe
Mitsuo Kihara
Seiji Tamura
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co Ltd
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
Priority claimed from JP29851785A external-priority patent/JPH0663251B2/ja
Priority claimed from JP60298518A external-priority patent/JPH0711145B2/ja
Priority claimed from JP29851685A external-priority patent/JPS62156439A/ja
Priority claimed from JP61064577A external-priority patent/JPH0635872B2/ja
Priority claimed from JP61064578A external-priority patent/JPH0635873B2/ja
Application filed by Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Application granted granted Critical
Publication of DE3674996D1 publication Critical patent/DE3674996D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
    • F16H61/431—Pump capacity control by electro-hydraulic control means, e.g. using solenoid valves
    • 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
    • E02F9/2246—Control of prime movers, e.g. depending on the hydraulic load of work tools
    • 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
    • E02F9/2285—Pilot-operated systems
    • 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
    • E02F9/2292—Systems with two or more pumps
    • 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
    • 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
    • F15B21/08—Servomotor systems incorporating electrically operated control means
    • F15B21/087—Control strategy, e.g. with block diagram
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
    • F16H61/433—Pump capacity control by fluid pressure control means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
DE8686118113T 1985-12-28 1986-12-29 Steuersystem fuer hydraulische erdbewegungsmaschinen. Expired - Lifetime DE3674996D1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP29851785A JPH0663251B2 (ja) 1985-12-28 1985-12-28 油圧シヨベルの油圧制御装置
JP60298518A JPH0711145B2 (ja) 1985-12-28 1985-12-28 油圧シヨベルの油圧制御装置
JP29851685A JPS62156439A (ja) 1985-12-28 1985-12-28 油圧ショベルの油圧制御装置
JP61064577A JPH0635872B2 (ja) 1986-03-22 1986-03-22 建設機械の油圧制御装置
JP61064578A JPH0635873B2 (ja) 1986-03-22 1986-03-22 建設機械の油圧制御装置

Publications (1)

Publication Number Publication Date
DE3674996D1 true DE3674996D1 (de) 1990-11-22

Family

ID=27523850

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686118113T Expired - Lifetime DE3674996D1 (de) 1985-12-28 1986-12-29 Steuersystem fuer hydraulische erdbewegungsmaschinen.

Country Status (4)

Country Link
US (1) US4726186A (de)
EP (1) EP0228707B1 (de)
CN (1) CN1007632B (de)
DE (1) DE3674996D1 (de)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4741159A (en) * 1986-04-08 1988-05-03 Vickers, Incorporated Power transmission
JPS63189533A (ja) * 1987-01-29 1988-08-05 Komatsu Ltd バケツトレベラ装置
EP0325679B1 (de) * 1988-01-14 1992-01-02 Hydromatik GmbH Automotive Antriebseinrichtung für Maschinen und Fahrzeuge
JPH01260125A (ja) * 1988-04-07 1989-10-17 Yutani Heavy Ind Ltd 油圧ショベルの油圧回路
JP2831377B2 (ja) * 1988-07-04 1998-12-02 日立建機株式会社 建設機械の原動機回転数制御装置
EP0379595B1 (de) * 1988-07-08 1993-09-29 Hitachi Construction Machinery Co., Ltd. Hydrodynamische antriebsvorrichtung
JP2670815B2 (ja) * 1988-07-29 1997-10-29 株式会社小松製作所 建設機械の制御装置
JPH02107802A (ja) * 1988-08-31 1990-04-19 Hitachi Constr Mach Co Ltd 油圧駆動装置
JPH07122276B2 (ja) * 1989-07-07 1995-12-25 油谷重工株式会社 建設機械の油圧ポンプ制御回路
EP0765970B1 (de) * 1991-01-28 2001-04-04 Hitachi Construction Machinery Co., Ltd. Hydraulische Steuervorrichtung für eine Baumaschine
JP2872432B2 (ja) * 1991-03-29 1999-03-17 日立建機株式会社 油圧走行作業車両の制御装置
JP3064574B2 (ja) * 1991-09-27 2000-07-12 株式会社小松製作所 油圧掘削機における作業油量切換制御装置
US5267441A (en) * 1992-01-13 1993-12-07 Caterpillar Inc. Method and apparatus for limiting the power output of a hydraulic system
JP3517817B2 (ja) * 1997-02-24 2004-04-12 新キャタピラー三菱株式会社 油圧パイロット回路
US5967756A (en) * 1997-07-01 1999-10-19 Caterpillar Inc. Power management control system for a hydraulic work machine
JPH11181843A (ja) * 1997-12-17 1999-07-06 Komatsu Ltd ホイールローダ
JP3390707B2 (ja) * 1999-10-19 2003-03-31 住友建機製造株式会社 建設機械の制御装置
US6314727B1 (en) * 1999-10-25 2001-11-13 Caterpillar Inc. Method and apparatus for controlling an electro-hydraulic fluid system
CN100402763C (zh) * 2002-09-26 2008-07-16 日立建机株式会社 建筑机械
US20040098984A1 (en) * 2002-11-26 2004-05-27 Duell Charles A. Combination hydraulic system and electronically controlled vehicle and method of operating same
JP4484467B2 (ja) * 2003-08-01 2010-06-16 日立建機株式会社 走行式油圧作業機
US8622170B2 (en) * 2004-02-26 2014-01-07 Jlg Industries, Inc. Lift vehicle with multiple capacity envelope control system and method
JP4188902B2 (ja) * 2004-11-22 2008-12-03 日立建機株式会社 油圧建設機械の制御装置
JP4754969B2 (ja) * 2006-01-10 2011-08-24 株式会社小松製作所 作業車両のエンジン制御装置
US7962768B2 (en) * 2007-02-28 2011-06-14 Caterpillar Inc. Machine system having task-adjusted economy modes
US8374755B2 (en) * 2007-07-31 2013-02-12 Caterpillar Inc. Machine with task-dependent control
KR101595116B1 (ko) * 2008-03-10 2016-02-18 파커-한니핀 코포레이션 다중 액추에이터를 구비한 유압 시스템 및 관련 제어 방법
DE102008054876A1 (de) * 2008-12-18 2010-07-01 Deere & Company, Moline Hydrauliksystem
CN102071717B (zh) * 2010-12-16 2012-07-04 重庆航天工业公司 挖掘机自适应控制方法
JP5512569B2 (ja) * 2011-02-23 2014-06-04 日立建機株式会社 建設機械制御システム
CN102555805B (zh) * 2011-12-15 2015-04-01 中联重科股份有限公司 机动车、机动车的后车部分的控制系统及车速控制方法
JP5614814B2 (ja) * 2011-12-16 2014-10-29 キャタピラー エス エー アール エル 油圧作業機械
JP6049758B2 (ja) * 2012-01-09 2016-12-21 イートン コーポレーションＥａｔｏｎ Ｃｏｒｐｏｒａｔｉｏｎ 単一入力を用いた最大域の持ち上げ速度達成方法
CN102582540A (zh) * 2012-03-09 2012-07-18 三一重机有限公司 一种智能行走马达控制装置及其控制方法
WO2014039071A1 (en) * 2012-09-04 2014-03-13 Clark Equipment Company Utility vehicle horsepower management
GB201215963D0 (en) * 2012-09-06 2012-10-24 Jaguar Cars Vehicle control system and method
US20170074297A1 (en) * 2014-05-06 2017-03-16 Eaton Corporation Low noise control algorithm for hydraulic systems
US9458603B2 (en) 2014-10-31 2016-10-04 Komatsu Ltd. Wheel loader and control method for wheel loader
JP7029939B2 (ja) * 2017-11-17 2022-03-04 川崎重工業株式会社 建設機械の駆動システム
JP7324963B2 (ja) * 2021-03-26 2023-08-10 日立建機株式会社 作業機械

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3064371A (en) * 1959-12-30 1962-11-20 Honeywell Regulator Co Control apparatus for earth moving equipment
US3248969A (en) * 1961-09-29 1966-05-03 Voith Getriebe Kg Power transmission arrangement for self-propelled vehicles with machine to be driven thereby
FR1400491A (fr) * 1964-04-14 1965-05-28 Auxitra Système de distribution hydraulique pour excavatrice
US3369360A (en) * 1965-11-18 1968-02-20 Charles P. De Biasi Hydraulic propulsion and braking system for vehicles or the like
DE1750545A1 (de) * 1968-05-11 1971-02-11 Bosch Gmbh Robert Steuer- und Regeleinrichtung fuer ein hydrostatisches Getriebe
US3724205A (en) * 1971-12-01 1973-04-03 Borg Warner Automatic transmission control system
DE2624355A1 (de) * 1975-06-04 1976-12-16 Caterpillar Tractor Co Hydraulisches system
SE435750B (sv) * 1979-06-15 1984-10-15 Akermans Verkstad Ab Anordning for begrensning av fran ett hydraulaggregat uttagen effekt
US4423785A (en) * 1980-03-18 1984-01-03 Kabushiki Kaisha Komatsu Seisakusho Load control device for a working tool of a construction vehicle
US4337587A (en) * 1980-04-14 1982-07-06 Presley Glen T Vehicle power control system
JPS5857504A (ja) * 1981-10-02 1983-04-05 Hitachi Constr Mach Co Ltd 油圧回路の制御方法
CA1221152A (en) * 1983-04-18 1987-04-28 Clark Equipment Company Hydraulic system with proportional control
IT1164198B (it) * 1983-04-28 1987-04-08 Isf Spa Preparazione di un derivato piridazinico farmacologicamente attivo
KR910009257B1 (ko) * 1985-09-07 1991-11-07 히다찌 겡끼 가부시기가이샤 유압건설기계의 제어시스템

Also Published As

Publication number Publication date
CN86108701A (zh) 1987-09-16
US4726186A (en) 1988-02-23
EP0228707B1 (de) 1990-10-17
EP0228707A1 (de) 1987-07-15
CN1007632B (zh) 1990-04-18

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Legal Events

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8364 No opposition during term of opposition