DE69031475D1 - Regelungsanordnung einer hydraulischen pumpe für baumaschinen - Google Patents

Regelungsanordnung einer hydraulischen pumpe für baumaschinen

Info

Publication number
DE69031475D1
DE69031475D1 DE69031475T DE69031475T DE69031475D1 DE 69031475 D1 DE69031475 D1 DE 69031475D1 DE 69031475 T DE69031475 T DE 69031475T DE 69031475 T DE69031475 T DE 69031475T DE 69031475 D1 DE69031475 D1 DE 69031475D1
Authority
DE
Germany
Prior art keywords
hydraulic pump
control arrangement
construction machinery
machinery
construction
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
DE69031475T
Other languages
English (en)
Other versions
DE69031475T2 (de
Inventor
Yukio Moriya
Shigeru Kinoshita
Takumi Onoda
Toshio Yokoyama
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 DE69031475D1 publication Critical patent/DE69031475D1/de
Publication of DE69031475T2 publication Critical patent/DE69031475T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • E02F9/2292—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
    • 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
    • F04B49/065—Control using electricity and making use of computers
    • 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
    • F04B2203/00—Motor parameters
    • F04B2203/02—Motor parameters of rotating electric motors
    • F04B2203/0209—Rotational speed
    • 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
    • F04B2205/00—Fluid parameters
    • F04B2205/05—Pressure after the pump outlet
    • 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
    • F04B2207/00—External parameters
    • F04B2207/04—Settings
    • F04B2207/041—Settings of flow

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Operation Control Of Excavators (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)
DE69031475T 1989-07-27 1990-07-27 Regelungsanordnung einer hydraulischen pumpe für baumaschinen Expired - Fee Related DE69031475T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1195276A JPH0826552B2 (ja) 1989-07-27 1989-07-27 建設機械のポンプ吐出量制御システム
PCT/JP1990/000964 WO1991002162A1 (en) 1989-07-27 1990-07-27 Hydraulic pump control device for construction machinery

Publications (2)

Publication Number Publication Date
DE69031475D1 true DE69031475D1 (de) 1997-10-23
DE69031475T2 DE69031475T2 (de) 1998-04-23

Family

ID=16338469

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69031475T Expired - Fee Related DE69031475T2 (de) 1989-07-27 1990-07-27 Regelungsanordnung einer hydraulischen pumpe für baumaschinen

Country Status (6)

Country Link
US (1) US5176504A (de)
EP (1) EP0667451B1 (de)
JP (1) JPH0826552B2 (de)
KR (1) KR0148560B1 (de)
DE (1) DE69031475T2 (de)
WO (1) WO1991002162A1 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2251232B (en) * 1990-09-29 1995-01-04 Samsung Heavy Ind Automatic actuating system for actuators of excavator
KR970001727B1 (ko) * 1991-04-12 1997-02-14 히다찌 겐끼 가부시기가이샤 건설기계의 유압구동장치
JP2740353B2 (ja) * 1991-04-12 1998-04-15 日立建機株式会社 建設機械の油圧駆動装置
JP2584268Y2 (ja) * 1991-07-09 1998-10-30 小林 リタ 補修材注入器具の取付座片
US5337561A (en) * 1992-11-17 1994-08-16 Flow International Corporation Ultra high pressure multiple intensifier system
US5447027A (en) * 1993-03-23 1995-09-05 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system for hydraulic working machines
US5525043A (en) * 1993-12-23 1996-06-11 Caterpillar Inc. Hydraulic power control system
US5468126A (en) * 1993-12-23 1995-11-21 Caterpillar Inc. Hydraulic power control system
DE4405234C1 (de) * 1994-02-18 1995-04-06 Brueninghaus Hydraulik Gmbh Vorrichtung zur Summenleistungsregelung von wenigstens zwei hydrostatischen Verstellpumpen
JPH07238690A (ja) * 1994-02-28 1995-09-12 Toshiharu Osaka モルタル層剥離剥落防止補修壁，その補修工法およびアンカーピン
DE19538649C2 (de) * 1995-10-17 2000-05-25 Brueninghaus Hydromatik Gmbh Leistungsregelung mit Load-Sensing
JP3567051B2 (ja) * 1996-06-12 2004-09-15 新キャタピラー三菱株式会社 油圧アクチュエータ用の操作制御装置
JP4136041B2 (ja) * 1997-12-04 2008-08-20 日立建機株式会社 油圧作業機の油圧駆動装置
US6498973B2 (en) * 2000-12-28 2002-12-24 Case Corporation Flow control for electro-hydraulic systems
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
US7384183B2 (en) * 2002-09-06 2008-06-10 Global Ground Support, Llc Mobile decontamination unit
US6779340B2 (en) 2002-09-25 2004-08-24 Husco International, Inc. Method of sharing flow of fluid among multiple hydraulic functions in a velocity based control system
JP3985756B2 (ja) 2003-09-05 2007-10-03 コベルコ建機株式会社 建設機械の油圧制御回路
EP1607365B1 (de) * 2004-06-18 2007-05-30 Hiab AB Hydraulischer Kran
JP4410640B2 (ja) * 2004-09-06 2010-02-03 株式会社小松製作所 作業車両のエンジンの負荷制御装置
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
EP2055953B1 (de) * 2007-11-01 2018-08-15 Danfoss Power Solutions Aps Fluid-Arbeitsmaschine
EP2055942B1 (de) * 2007-11-01 2012-06-06 Sauer-Danfoss ApS Hydraulisches System mit Zusatzpumpe
US20100018796A1 (en) * 2008-07-22 2010-01-28 Trw Automotive U.S. Llc Apparatus for controlling a power-assisted steering gear in response to vehicle conditions
KR20110127343A (ko) * 2010-05-19 2011-11-25 두산산업차량 주식회사 중장비 작업기의 상승속도 제어장치
US20120297758A1 (en) * 2011-05-23 2012-11-29 Caterpillar, Inc. Large Displacement Variator
US9841037B2 (en) 2013-03-19 2017-12-12 Doosan Infracore Co., Ltd. Construction equipment hydraulic system and control method therefor
US20170350096A1 (en) * 2015-01-09 2017-12-07 Volvo Construction Equipment Ab Hydraulic pump control apparatus for construction equipment and control method thereof
JP6710150B2 (ja) * 2016-11-24 2020-06-17 日立建機株式会社 建設機械

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4395199A (en) * 1979-10-15 1983-07-26 Hitachi Construction Machinery Co., Ltd. Control method of a system of internal combustion engine and hydraulic pump
JPS57173533A (en) * 1981-04-16 1982-10-25 Hitachi Constr Mach Co Ltd Controller of device containing internal combustion engine and oil hydraulic pump
US4606313A (en) * 1980-10-09 1986-08-19 Hitachi Construction Machinery Co., Ltd. Method of and system for controlling hydraulic power system
GB2171757B (en) * 1985-02-28 1989-06-14 Komatsu Mfg Co Ltd Method of controlling an output of an internal combustion engine and a variabledisplacement hydraulic pump driven by the engine
JP2566751B2 (ja) * 1985-02-28 1996-12-25 株式会社小松製作所 エンジン駆動の可変容量型油圧ポンプの出力制御方法
NL8501896A (nl) * 1985-07-02 1987-02-02 Philips Nv Digitaal-analoog omzetter.
CN1010794B (zh) * 1986-01-11 1990-12-12 日立建机株式会社 液压泵输入功率控制***
JPS63309789A (ja) * 1987-06-12 1988-12-16 Hitachi Constr Mach Co Ltd 複数油圧ポンプの制御装置
JPS6424923A (en) * 1987-07-20 1989-01-26 Kobe Steel Ltd Action controller for oil-pressure shovel
US5048293A (en) * 1988-12-29 1991-09-17 Hitachi Construction Machinery Co., Ltd. Pump controlling apparatus for construction machine

Also Published As

Publication number Publication date
WO1991002162A1 (en) 1991-02-21
KR0148560B1 (ko) 1999-03-20
EP0667451A1 (de) 1995-08-16
JPH0826552B2 (ja) 1996-03-13
DE69031475T2 (de) 1998-04-23
KR920704014A (ko) 1992-12-19
JPH0359227A (ja) 1991-03-14
EP0667451B1 (de) 1997-09-17
EP0667451A4 (de) 1993-12-14
US5176504A (en) 1993-01-05

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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