EP0539589A4 - - Google Patents

Info

Publication number
EP0539589A4
EP0539589A4 EP91912321A EP91912321A EP0539589A4 EP 0539589 A4 EP0539589 A4 EP 0539589A4 EP 91912321 A EP91912321 A EP 91912321A EP 91912321 A EP91912321 A EP 91912321A EP 0539589 A4 EP0539589 A4 EP 0539589A4
Authority
EP
European Patent Office
Prior art keywords
capacity
torque
variable
hydraulic pump
output characteristics
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.)
Granted
Application number
EP91912321A
Other languages
English (en)
Other versions
EP0539589A1 (fr
EP0539589B1 (fr
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 filed Critical
Publication of EP0539589A1 publication Critical patent/EP0539589A1/fr
Publication of EP0539589A4 publication Critical patent/EP0539589A4/en
Application granted granted Critical
Publication of EP0539589B1 publication Critical patent/EP0539589B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • E02F9/2246—Control of prime movers, e.g. depending on the hydraulic load of work tools
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
    • F02D29/04—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Operation Control Of Excavators (AREA)

Abstract

Procédé et unité de commande d'un véhicule pour effectuer les opérations de chargement, unité qui comporte une pompe hydraulique (PV) à débit variable qui fait fonctionner un dispositif de chargement et un convertisseur de couple (T) qui l'entraîne. L'unité de commande comprend un moteur (E) équipé d'un régulateur (10) commandé électroniquement, capable de sélectionner des caractéristiques de sortie en mode incrémentiel; des systèmes (12), (14), (42) et (43) permettant d'établir en mode incrémentiel le débit et le couple de sortie maximum de la pompe hydraulique (PV) à débit variable pour faire fonctionner le dispositif de chargement; des systèmes (44), (45) détectant un débit de la pompe et la pression hydraulique; des commutateurs (42), (43) permettant de sélectionner les caractéristiques de sortie du moteur; une unité de commande (11) du régulateur servant à contrôler les caractéristiques de sortie sélectionnées par les commutateurs de sélection; et une unité de commande (4) de pompe fixant sélectivement les caractéristiques maximums de débit et de couple de sortie de la pompe hydraulique (PV) à débit variable en fonction des caractéristiques de sortie du moteur, sélectionnées par les commutateurs de sélection. Par conséquent, même si le couple hydraulique varie au moment de la forte pression dans la pompe hydraulique à débit variable, on peut réguler la plage variable du couple d'absorption du convertisseur de couple, ceci permettant d'effectuer facilement et efficacement des travaux de ramassage à la pelle de terre et de sable.
EP91912321A 1990-07-18 1991-07-16 Procede et unite de commande de vehicule pour operation de chargement Expired - Lifetime EP0539589B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP187869/90 1990-07-18
JP2187869A JP2520771B2 (ja) 1990-07-18 1990-07-18 積み込み作業車両の制御方法及び装置
PCT/JP1991/000948 WO1992001869A1 (fr) 1990-07-18 1991-07-16 Procede et unite de commande de vehicule pour operation de chargement

Publications (3)

Publication Number Publication Date
EP0539589A1 EP0539589A1 (fr) 1993-05-05
EP0539589A4 true EP0539589A4 (fr) 1995-03-22
EP0539589B1 EP0539589B1 (fr) 1997-01-02

Family

ID=16213642

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91912321A Expired - Lifetime EP0539589B1 (fr) 1990-07-18 1991-07-16 Procede et unite de commande de vehicule pour operation de chargement

Country Status (4)

Country Link
EP (1) EP0539589B1 (fr)
JP (1) JP2520771B2 (fr)
DE (1) DE69123971T2 (fr)
WO (1) WO1992001869A1 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3274541B2 (ja) * 1993-07-06 2002-04-15 株式会社日立製作所 浄水場管理支援方法及び支援システム
JPH09177679A (ja) * 1995-12-22 1997-07-11 Hitachi Constr Mach Co Ltd ポンプトルク制御装置
DE19644961A1 (de) * 1996-10-29 1998-04-30 Samsung Heavy Ind Verfahren zum Steuern des Motor-Pumpe-Systems einer hydraulischen Baumaschine
US6073442A (en) * 1998-04-23 2000-06-13 Caterpillar Inc. Apparatus and method for controlling a variable displacement pump
KR20000021949A (ko) * 1998-09-30 2000-04-25 토니헬샴 엔진 회전수 제어장치 및 방법
JP3561667B2 (ja) 1999-11-18 2004-09-02 新キャタピラー三菱株式会社 油圧ポンプの制御装置
DE10314329A1 (de) * 2003-03-28 2004-10-21 Zf Friedrichshafen Ag Antriebsstrang zum Antrieb eines Mobil-Fahrzeugs
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
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
CN101432529B (zh) * 2006-05-10 2013-08-28 住友建机株式会社 建筑机械的防过载装置
US8718878B2 (en) 2007-04-04 2014-05-06 Clark Equipment Company Power machine or vehicle with power management
JP4714721B2 (ja) * 2007-09-19 2011-06-29 日立建機株式会社 走行式油圧作業機
JP5226734B2 (ja) * 2010-05-20 2013-07-03 株式会社小松製作所 ハイブリッド建設機械
EP2891783B1 (fr) 2014-10-31 2016-11-30 Komatsu Ltd. Chargeuse sur roues et procédé de commande de chargeuse sur roues
FR3027971B1 (fr) * 2014-11-05 2016-11-11 Groupe Mecalac Dispositif de regulation de puissance d'une pompe hydraulique
JP6087382B2 (ja) * 2015-03-20 2017-03-01 株式会社小松製作所 ホイールローダおよびホイールローダの制御方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4015482A (en) * 1975-04-14 1977-04-05 Kabushiki Kaisha Komatsu Seisakusho Control system for power train and auxiliary equipment driven from a common prime mover
EP0214633A1 (fr) * 1985-09-07 1987-03-18 Hitachi Construction Machinery Co., Ltd. Système de commande pour un engin de terrassement à entraînement hydraulique
JPS63195402A (ja) * 1987-02-06 1988-08-12 Komatsu Ltd 油圧制御装置
JPS63235631A (ja) * 1987-03-24 1988-09-30 Komatsu Ltd ブルド−ザのエンジン出力制御方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2724820B2 (ja) * 1986-12-18 1998-03-09 株式会社小松製作所 可変容量型油圧ポンプの制御装置
JP2587819B2 (ja) * 1986-12-27 1997-03-05 日立建機株式会社 建設機械の油圧制御装置
JP2511925B2 (ja) * 1987-01-30 1996-07-03 株式会社小松製作所 建設機械のエンジン回転数制御装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4015482A (en) * 1975-04-14 1977-04-05 Kabushiki Kaisha Komatsu Seisakusho Control system for power train and auxiliary equipment driven from a common prime mover
EP0214633A1 (fr) * 1985-09-07 1987-03-18 Hitachi Construction Machinery Co., Ltd. Système de commande pour un engin de terrassement à entraînement hydraulique
JPS63195402A (ja) * 1987-02-06 1988-08-12 Komatsu Ltd 油圧制御装置
JPS63235631A (ja) * 1987-03-24 1988-09-30 Komatsu Ltd ブルド−ザのエンジン出力制御方法

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 12, no. 475 (M - 774) 13 December 1988 (1988-12-13) *
PATENT ABSTRACTS OF JAPAN vol. 13, no. 25 (M - 787) 20 January 1989 (1989-01-20) *
See also references of WO9201869A1 *

Also Published As

Publication number Publication date
DE69123971D1 (de) 1997-02-13
EP0539589A1 (fr) 1993-05-05
EP0539589B1 (fr) 1997-01-02
JPH0476126A (ja) 1992-03-10
JP2520771B2 (ja) 1996-07-31
DE69123971T2 (de) 1997-04-30
WO1992001869A1 (fr) 1992-02-06

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