WO2008108180A1 - 作業機ポンプの回転制御システム - Google Patents

作業機ポンプの回転制御システム Download PDF

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Publication number
WO2008108180A1
WO2008108180A1 PCT/JP2008/052964 JP2008052964W WO2008108180A1 WO 2008108180 A1 WO2008108180 A1 WO 2008108180A1 JP 2008052964 W JP2008052964 W JP 2008052964W WO 2008108180 A1 WO2008108180 A1 WO 2008108180A1
Authority
WO
WIPO (PCT)
Prior art keywords
pump
working
control system
hydraulic oil
rotation control
Prior art date
Application number
PCT/JP2008/052964
Other languages
English (en)
French (fr)
Inventor
Yasuhiro Kamoshida
Kyouji Uranaka
Masaru Shizume
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.
Priority to US12/529,835 priority Critical patent/US8407994B2/en
Priority to CN200880006934.9A priority patent/CN101631956B/zh
Publication of WO2008108180A1 publication Critical patent/WO2008108180A1/ja

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
    • F04B49/06—Control using electricity
    • 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
    • E02F9/226—Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating
    • 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
    • F15B2211/20507—Type of prime mover
    • F15B2211/20523—Internal combustion engine
    • 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
    • F15B2211/255—Flow control functions
    • 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
    • F15B2211/6306—Electronic controllers using input signals representing a 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
    • F15B2211/6306—Electronic controllers using input signals representing a pressure
    • F15B2211/6309—Electronic controllers using input signals representing a pressure the pressure being a pressure source supply 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
    • F15B2211/6336—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
    • F15B2211/63—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
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/86—Control during or prevention of abnormal conditions
    • F15B2211/8609—Control during or prevention of abnormal conditions the abnormal condition being cavitation

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Lifting Devices For Agricultural Implements (AREA)

Abstract

　作業機ポンプの回転制御システムは、作業機ポンプ（３）と、作業機ポンプ（３）を駆動するエンジン（２）と、作業機ポンプ（３）からの作動油で伸縮する油圧シリンダによって駆動される作業機と、作業機ポンプ（３）に供給する作動油を貯留し、かつ油圧シリンダから作動油が戻るように構成された作動油タンクと、油圧シリンダの動作時に作業機ポンプ（３）の回転数を予め設定されたキャビテーション発生防止用の許容回転数に制御するコントローラ（９）とを備えている。
PCT/JP2008/052964 2007-03-08 2008-02-21 作業機ポンプの回転制御システム WO2008108180A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/529,835 US8407994B2 (en) 2007-03-08 2008-02-21 Rotation control system for working-machine pump
CN200880006934.9A CN101631956B (zh) 2007-03-08 2008-02-21 自卸卡车的工作装置泵的旋转控制系统

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007058883A JP5064843B2 (ja) 2007-03-08 2007-03-08 作業機ポンプの回転制御システム
JP2007-058883 2007-03-08

Publications (1)

Publication Number Publication Date
WO2008108180A1 true WO2008108180A1 (ja) 2008-09-12

Family

ID=39738077

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/052964 WO2008108180A1 (ja) 2007-03-08 2008-02-21 作業機ポンプの回転制御システム

Country Status (4)

Country Link
US (1) US8407994B2 (ja)
JP (1) JP5064843B2 (ja)
CN (1) CN101631956B (ja)
WO (1) WO2008108180A1 (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE531309C2 (sv) * 2006-01-16 2009-02-17 Volvo Constr Equip Ab Styrsystem för en arbetsmaskin och förfarande för styrning av en hydraulcylinder hos en arbetsmaskin
US9416720B2 (en) 2011-12-01 2016-08-16 Paccar Inc Systems and methods for controlling a variable speed water pump
JP5816607B2 (ja) * 2012-12-20 2015-11-18 ジヤトコ株式会社 自動変速機及びその高油温制御方法
CN104981615B (zh) * 2013-02-19 2017-11-10 沃尔沃建造设备有限公司 用于设置有保护装置的工程机械的液压系统
JP5554856B1 (ja) * 2013-03-14 2014-07-23 株式会社小松製作所 作業機械
JP6448403B2 (ja) * 2015-02-17 2019-01-09 住友精密工業株式会社 航空機の脚揚降用電動油圧アクチュエータシステム
WO2019034317A1 (en) * 2017-08-17 2019-02-21 Sunfab Hydraulics Ab CONTROL DEVICE FOR HYDRAULIC SYSTEM ENGINE
US10337537B2 (en) 2017-08-30 2019-07-02 Caterpillar Inc. System and method for determining a health status of a tank
CN114321062B (zh) * 2021-12-24 2023-07-14 浙江华章科技有限公司 一种油站液压站压力预测及维保系统

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5025162B1 (ja) * 1969-06-06 1975-08-21
JPS56135775A (en) * 1980-03-28 1981-10-23 Hitachi Constr Mach Co Ltd System for controlling hydraulic system
JPS5713295A (en) * 1980-06-27 1982-01-23 Hitachi Constr Mach Co Ltd Hydraulic drive unit
JPS63150484A (ja) * 1986-12-15 1988-06-23 Shibaura Eng Works Co Ltd ポンプ装置
JPS6429299U (ja) * 1987-08-12 1989-02-21
JPH0257703A (ja) * 1988-08-18 1990-02-27 Kobe Steel Ltd 油圧シリンダの制御方法
JP2002276610A (ja) * 2001-03-22 2002-09-25 Kobelco Contstruction Machinery Ltd 建設機械の油圧シリンダ制御装置
JP2006112288A (ja) * 2004-10-14 2006-04-27 Komatsu Ltd 建設機械

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1223741A (en) * 1916-12-29 1917-04-24 Albert S Anderson Hydraulic hoist for dumping-vehicles.
US3021177A (en) * 1960-03-08 1962-02-13 Bendix Westinghouse Automotive Dump body control system
JPS5025162A (ja) 1973-06-19 1975-03-17
JPS6031349B2 (ja) 1980-03-28 1985-07-22 大日本インキ化学工業株式会社 水系接着剤
JPS5822299A (ja) * 1981-07-29 1983-02-09 日産自動車株式会社 フオ−クリフト
DE3506335A1 (de) * 1985-02-22 1986-08-28 Mannesmann Rexroth GmbH, 8770 Lohr Sicherheitsschaltung fuer ein hydrauliksystem
JPH0752701A (ja) 1993-08-23 1995-02-28 Toyota Autom Loom Works Ltd ダンプカーにおけるベセルの昇降装置
US6951067B1 (en) * 2000-08-31 2005-10-04 Caterpillar, Inc. Method and apparatus for controlling positioning of an implement of a work machine
ES2289436T3 (es) * 2003-07-05 2008-02-01 DEERE & COMPANY Suspension hidraulica.
JP4542819B2 (ja) * 2004-05-21 2010-09-15 株式会社小松製作所 油圧機械、油圧機械の健康状態を監視するためのシステム及び方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5025162B1 (ja) * 1969-06-06 1975-08-21
JPS56135775A (en) * 1980-03-28 1981-10-23 Hitachi Constr Mach Co Ltd System for controlling hydraulic system
JPS5713295A (en) * 1980-06-27 1982-01-23 Hitachi Constr Mach Co Ltd Hydraulic drive unit
JPS63150484A (ja) * 1986-12-15 1988-06-23 Shibaura Eng Works Co Ltd ポンプ装置
JPS6429299U (ja) * 1987-08-12 1989-02-21
JPH0257703A (ja) * 1988-08-18 1990-02-27 Kobe Steel Ltd 油圧シリンダの制御方法
JP2002276610A (ja) * 2001-03-22 2002-09-25 Kobelco Contstruction Machinery Ltd 建設機械の油圧シリンダ制御装置
JP2006112288A (ja) * 2004-10-14 2006-04-27 Komatsu Ltd 建設機械

Also Published As

Publication number Publication date
JP2008223496A (ja) 2008-09-25
US8407994B2 (en) 2013-04-02
CN101631956A (zh) 2010-01-20
US20100058752A1 (en) 2010-03-11
CN101631956B (zh) 2013-01-02
JP5064843B2 (ja) 2012-10-31

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