DE69230914D1 - Feinbetriebumschaltsystem für einen hydraulikbagger - Google Patents

Feinbetriebumschaltsystem für einen hydraulikbagger

Info

Publication number
DE69230914D1
DE69230914D1 DE69230914T DE69230914T DE69230914D1 DE 69230914 D1 DE69230914 D1 DE 69230914D1 DE 69230914 T DE69230914 T DE 69230914T DE 69230914 T DE69230914 T DE 69230914T DE 69230914 D1 DE69230914 D1 DE 69230914D1
Authority
DE
Germany
Prior art keywords
switching system
hydraulic excavator
operation switching
fine operation
fine
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 - Fee Related
Application number
DE69230914T
Other languages
English (en)
Other versions
DE69230914T2 (de
Inventor
Fujitoshi Takamura
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.)
Komatsu Ltd
Original Assignee
Komatsu 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
Application filed by Komatsu Ltd filed Critical Komatsu Ltd
Application granted granted Critical
Publication of DE69230914D1 publication Critical patent/DE69230914D1/de
Publication of DE69230914T2 publication Critical patent/DE69230914T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • E02F9/2221—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Operation Control Of Excavators (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Fluid-Pressure Circuits (AREA)
DE69230914T 1991-09-27 1992-09-25 Feinbetriebumschaltsystem für einen hydraulikbagger Expired - Fee Related DE69230914T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1991086381U JP2568507Y2 (ja) 1991-09-27 1991-09-27 建設機械の微操作モード制御装置
PCT/JP1992/001226 WO1993006315A1 (en) 1991-09-27 1992-09-25 Fine operation mode change-over device for hydraulic excavator

Publications (2)

Publication Number Publication Date
DE69230914D1 true DE69230914D1 (de) 2000-05-18
DE69230914T2 DE69230914T2 (de) 2000-10-12

Family

ID=13885300

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69230914T Expired - Fee Related DE69230914T2 (de) 1991-09-27 1992-09-25 Feinbetriebumschaltsystem für einen hydraulikbagger

Country Status (5)

Country Link
US (1) US5469646A (de)
EP (1) EP0605724B1 (de)
JP (1) JP2568507Y2 (de)
DE (1) DE69230914T2 (de)
WO (1) WO1993006315A1 (de)

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JP2566745B2 (ja) * 1994-04-29 1996-12-25 三星重工業株式会社 電子制御油圧掘削機の自動平坦作業方法
US5675180A (en) * 1994-06-23 1997-10-07 Cubic Memory, Inc. Vertical interconnect process for silicon segments
US5657206A (en) * 1994-06-23 1997-08-12 Cubic Memory, Inc. Conductive epoxy flip-chip package and method
US5698895A (en) * 1994-06-23 1997-12-16 Cubic Memory, Inc. Silicon segment programming method and apparatus
US6050090A (en) * 1996-06-11 2000-04-18 Kabushiki Kaisha Kobe Seiko Sho Control apparatus for hydraulic excavator
US5967756A (en) * 1997-07-01 1999-10-19 Caterpillar Inc. Power management control system for a hydraulic work machine
US5951258A (en) * 1997-07-09 1999-09-14 Caterpillar Inc. Torque limiting control system for a hydraulic work machine
JP3419661B2 (ja) * 1997-10-02 2003-06-23 日立建機株式会社 油圧建設機械の原動機のオートアクセル装置及び原動機と油圧ポンプの制御装置
US6233511B1 (en) 1997-11-26 2001-05-15 Case Corporation Electronic control for a two-axis work implement
JP2001152921A (ja) * 1999-11-19 2001-06-05 Komatsu Ltd 積込作業車両
US6598391B2 (en) 2001-08-28 2003-07-29 Caterpillar Inc Control for electro-hydraulic valve arrangement
JP2004150304A (ja) * 2002-10-29 2004-05-27 Komatsu Ltd エンジンの制御装置
JP4163073B2 (ja) * 2003-08-12 2008-10-08 日立建機株式会社 作業車両の制御装置
DE112004000622T5 (de) * 2003-10-31 2006-03-09 Komatsu Ltd. Motorausgangsleistungs-Steuereinheit
US6922628B2 (en) * 2003-11-26 2005-07-26 Visteon Global Technologies, Inc. IC engine diagnostic system using the peak and integration ionization current signals
JP4557205B2 (ja) * 2004-02-20 2010-10-06 株式会社小松製作所 油圧機器の制御装置
EP1803914B1 (de) * 2004-10-21 2009-01-07 Komatsu Ltd. Vorrichtung und verfahren zur steuerung der leistung einer bearbeitungsmaschine
US7553258B2 (en) * 2006-10-17 2009-06-30 Tesmec Usa, Inc. Excavation machine with constant power output control for torque-converter driven working element
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
US8374766B2 (en) * 2007-11-29 2013-02-12 Caterpillar Paving Products Inc. Power management system for compaction vehicles and method
US8095280B2 (en) * 2008-06-02 2012-01-10 Caterpillar Inc. Method for adjusting engine speed based on power usage of machine
US8393150B2 (en) * 2008-12-18 2013-03-12 Caterpillar Inc. System and method for operating a variable displacement hydraulic pump
US8175780B2 (en) * 2008-12-22 2012-05-08 Caterpillar Inc. Adaptive underspeed control
EP3514394A1 (de) 2010-05-11 2019-07-24 Parker Hannifin Corp. Druckkompensiertes hydrauliksystem mit differenzdruckregler
US8875506B2 (en) 2010-10-21 2014-11-04 Cnh Industrial America Llc Work vehicle lifting performance
CN102435246B (zh) * 2011-08-22 2013-01-16 三一重机有限公司 一种挖掘机自检测方法
US8965639B2 (en) 2012-07-10 2015-02-24 Caterpillar Inc. System and method for machine control
US8948978B2 (en) 2012-07-10 2015-02-03 Caterpillar Inc. System and method for machine control
US11680381B2 (en) 2021-01-07 2023-06-20 Caterpillar Underground Mining Pty. Ltd. Variable system pressure based on implement position
US11661723B1 (en) 2021-12-28 2023-05-30 Caterpillar Underground Mining Pty. Ltd. Variable system pressure based on implement position
CN115324150B (zh) * 2022-08-25 2023-09-05 江苏徐工工程机械研究院有限公司 挖掘装载机控制方法以及挖掘装载机
CN115949106B (zh) * 2023-02-14 2023-11-21 山东临工工程机械有限公司 辅具触底自动提升系统的工作方法和挖掘机

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WO1982001396A1 (en) * 1980-10-09 1982-04-29 Izumi Eiki Method and apparatus for controlling a hydraulic power system
DE3307596C2 (de) * 1983-01-04 1991-01-03 Liebherr-Hydraulikbagger Gmbh, 7951 Kirchdorf Vorrichtung zur Steuerung der Drehzahl eines Dieselmotors eines Hydraulikbaggers oder dergleichen
EP0233945B1 (de) * 1985-07-26 1990-11-07 Kabushiki Kaisha Komatsu Seisakusho Regelanordnung für kraftschaufel
JPS62114951A (ja) * 1985-11-13 1987-05-26 Nippon Shokubai Kagaku Kogyo Co Ltd スルホアルキル（メタ）アクリレ−ト塩の製造方法
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JPS62114951U (de) * 1986-01-14 1987-07-22
US4838756A (en) * 1987-02-19 1989-06-13 Deere & Company Hydraulic system for an industrial machine
US4838755A (en) * 1987-02-19 1989-06-13 Deere & Company Automatic engine control for an excavator
DE3817218A1 (de) * 1987-06-11 1988-12-22 Mannesmann Ag Hydraulisches steuersystem fuer einen hydraulikbagger
US4776751A (en) * 1987-08-19 1988-10-11 Deere & Company Crowd control system for a loader
JPH0830426B2 (ja) * 1988-08-23 1996-03-27 株式会社小松製作所 シュースリップに基づくエンジン出力制御方法
US5019989A (en) * 1988-12-01 1991-05-28 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Vehicle engine output control method and apparatus
KR930009513B1 (ko) * 1989-01-18 1993-10-06 히다찌 겐끼 가부시기가이샤 건설기계의 유압구동장치
JP2854898B2 (ja) * 1989-01-18 1999-02-10 日立建機株式会社 油圧建設機械の駆動制御装置
JPH02191844A (ja) * 1989-01-20 1990-07-27 Mitsubishi Motors Corp エンジントルク制御装置
JP2721384B2 (ja) * 1989-02-20 1998-03-04 日立建機株式会社 作業機械の油圧回路
US5151861A (en) * 1989-02-22 1992-09-29 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Vehicle engine output control method and vehicle engine
KR940009215B1 (ko) * 1989-03-22 1994-10-01 히다찌 겐끼 가부시기가이샤 토목ㆍ건설기계의 유압구동장치
JP2690355B2 (ja) * 1989-04-19 1997-12-10 日立建機株式会社 油圧式建設機械の原動機回転数制御装置
US4989567A (en) * 1989-07-19 1991-02-05 Kabushiki Kaisha Kobe Seiko Sho Engine speed controlling system in construction machine
JPH0374605A (ja) * 1989-08-16 1991-03-29 Komatsu Ltd 作業機シリンダの圧油供給装置
EP0441176B1 (de) * 1990-01-25 1994-03-30 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Regelsystem für die Antriebsleistung von Kraftfahrzeugen
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

Also Published As

Publication number Publication date
JP2568507Y2 (ja) 1998-04-15
US5469646A (en) 1995-11-28
DE69230914T2 (de) 2000-10-12
EP0605724B1 (de) 2000-04-12
EP0605724A4 (de) 1995-04-12
JPH0530251U (ja) 1993-04-20
WO1993006315A1 (en) 1993-04-01
EP0605724A1 (de) 1994-07-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee