EP0632167A3 - Device and method for controlling hydraulic site machines. - Google Patents

Device and method for controlling hydraulic site machines. Download PDF

Info

Publication number
EP0632167A3
EP0632167A3 EP94107376A EP94107376A EP0632167A3 EP 0632167 A3 EP0632167 A3 EP 0632167A3 EP 94107376 A EP94107376 A EP 94107376A EP 94107376 A EP94107376 A EP 94107376A EP 0632167 A3 EP0632167 A3 EP 0632167A3
Authority
EP
European Patent Office
Prior art keywords
construction equipment
controlling hydraulic
hydraulic construction
controlling
equipment
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.)
Withdrawn
Application number
EP94107376A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0632167A2 (en
Inventor
Song Myung-Hoon
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.)
Volvo Construction Equipment Korea Co Ltd
Original Assignee
Samsung Heavy Industries 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
Application filed by Samsung Heavy Industries Co Ltd filed Critical Samsung Heavy Industries Co Ltd
Publication of EP0632167A2 publication Critical patent/EP0632167A2/en
Publication of EP0632167A3 publication Critical patent/EP0632167A3/en
Withdrawn legal-status Critical Current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
    • E02F9/2278—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
    • F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
    • 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
    • E02F9/2025—Particular purposes of control systems not otherwise provided for
    • 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
    • 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
    • E02F9/2225—Control of flow rate; Load sensing arrangements using pressure-compensating valves
    • E02F9/2228—Control of flow rate; Load sensing arrangements using pressure-compensating valves 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
    • E02F9/2221—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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
EP94107376A 1993-07-02 1994-05-11 Device and method for controlling hydraulic site machines. Withdrawn EP0632167A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019930012456A KR0171389B1 (ko) 1993-07-02 1993-07-02 유압식 건설기계의 제어장치 및 방법
KR9312456 1993-07-02

Publications (2)

Publication Number Publication Date
EP0632167A2 EP0632167A2 (en) 1995-01-04
EP0632167A3 true EP0632167A3 (en) 1996-12-11

Family

ID=19358664

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94107376A Withdrawn EP0632167A3 (en) 1993-07-02 1994-05-11 Device and method for controlling hydraulic site machines.

Country Status (3)

Country Link
EP (1) EP0632167A3 (ja)
JP (1) JPH0726591A (ja)
KR (1) KR0171389B1 (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6233511B1 (en) 1997-11-26 2001-05-15 Case Corporation Electronic control for a two-axis work implement
US6115660A (en) * 1997-11-26 2000-09-05 Case Corporation Electronic coordinated control for a two-axis work implement
KR101922729B1 (ko) * 2012-01-30 2019-02-20 두산인프라코어 주식회사 건설기계의 전자 유압 제어장치
CN102817394B (zh) * 2012-09-07 2014-10-01 三一重机有限公司 一种挖掘机液压泵控制系统及方法及挖掘机
DE112017003043T5 (de) 2017-08-31 2019-06-06 Komatsu Ltd. Steuersystem einer Arbeitsmaschine und Verfahren zum Steuern einer Arbeitsmaschine
EP3670929B1 (en) * 2018-12-20 2022-08-24 Siemens Gamesa Renewable Energy A/S Hydraulic pump arrangement
CN113404116A (zh) * 2021-06-11 2021-09-17 山东常林机械集团股份有限公司 一种蓄能挖掘机平地模式的控制方法及系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988003285A1 (en) * 1986-10-22 1988-05-05 Caterpillar Inc. Proportional valve control apparatus for fluid systems
FR2669661A1 (fr) * 1990-11-24 1992-05-29 Samsung Heavy Ind Dispositif et procede de commande automatique du debit du fluide hydraulique d'un engin excavateur.
WO1993000487A1 (en) * 1991-06-25 1993-01-07 The University Of British Columbia Proportional hydraulic control
EP0545271A1 (en) * 1991-11-30 1993-06-09 Samsung Heavy Industries Co., Ltd Flow rate control apparatus for oil-hydraulic pump

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988003285A1 (en) * 1986-10-22 1988-05-05 Caterpillar Inc. Proportional valve control apparatus for fluid systems
FR2669661A1 (fr) * 1990-11-24 1992-05-29 Samsung Heavy Ind Dispositif et procede de commande automatique du debit du fluide hydraulique d'un engin excavateur.
WO1993000487A1 (en) * 1991-06-25 1993-01-07 The University Of British Columbia Proportional hydraulic control
EP0545271A1 (en) * 1991-11-30 1993-06-09 Samsung Heavy Industries Co., Ltd Flow rate control apparatus for oil-hydraulic pump

Also Published As

Publication number Publication date
JPH0726591A (ja) 1995-01-27
EP0632167A2 (en) 1995-01-04
KR0171389B1 (ko) 1999-03-30
KR950003644A (ko) 1995-02-17

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Owner name: VOLVO CONSTRUCTION EQUIPMENT KOREA CO., LTD.

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Effective date: 19990415