EP3385456B1 - Procédé de régulation d'un débit d'une machine de construction et système permettant de l'exécuter - Google Patents

Procédé de régulation d'un débit d'une machine de construction et système permettant de l'exécuter Download PDF

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Publication number
EP3385456B1
EP3385456B1 EP18166095.2A EP18166095A EP3385456B1 EP 3385456 B1 EP3385456 B1 EP 3385456B1 EP 18166095 A EP18166095 A EP 18166095A EP 3385456 B1 EP3385456 B1 EP 3385456B1
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EP
European Patent Office
Prior art keywords
flow rate
maximum
working device
arm
attachment
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.)
Active
Application number
EP18166095.2A
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German (de)
English (en)
Other versions
EP3385456A1 (fr
Inventor
Hee-Jun Jeong
Hong-Cheol YUN
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.)
HD Hyundai Infracore Co Ltd
Original Assignee
Hyundai Doosan Infracore Co Ltd
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Publication of EP3385456A1 publication Critical patent/EP3385456A1/fr
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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
    • E02F9/2025—Particular purposes of control systems not otherwise provided for
    • E02F9/2033—Limiting the movement of frames or implements, e.g. to avoid collision between implements and the cabin
    • 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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
    • E02F3/435—Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes or the like
    • 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
    • E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
    • 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
    • E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
    • E02F9/2214—Arrangements for controlling the attitude of actuators, e.g. speed, floating function for reducing the shock generated at the stroke end
    • 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
    • E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2267—Valves or distributors
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/28—Means for indicating the position, e.g. end of stroke
    • 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
    • F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member

Definitions

  • the main controller 110 may supply the flow rate corresponding to the cut-off flow rate, which may not be supplied to the boom B located at the maximum position, to the arm A or the attachment T requiring the rapid working speed.
  • the working device requiring the rapid working speed may be identified from the strokes of the joysticks 140 and 142.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Operation Control Of Excavators (AREA)

Claims (10)

  1. Procédé de commande d'un débit d'une machine de construction, le procédé comprenant de :
    détecter (S210) une position de rotation d'au moins l'un des dispositifs de travail incluant une flèche (B), un bras (A) et un accessoire (T) de la machine de construction ;
    déterminer (S220) si le dispositif de travail détecté atteint ou non une position maximale (A1, A2, B1, B2, T1, T2),
    dans lequel la flèche (B) peut tourner d'une position de descente maximale (B1) à une position de montée maximale (B2), lesquelles positions correspondent à une position maximale de la flèche (B),
    dans lequel le bras (A) peut tourner d'une position de descente maximale (A1) à une position de montée maximale (A2), lesquelles positions correspondent à une position maximale du bras (A), et
    dans lequel l'accessoire (T) peut tourner d'une position de descente maximale (T1) à une position de montée maximale (T2), lesquelles positions correspondent à une position maximale de l'accessoire (T) ;
    couper (S230) un débit fourni au dispositif de travail détecté lorsque le dispositif de travail détecté atteint la position maximale (A1, A2, B1, B2, T1, T2),
    caractérisé par
    identifier (S240) si un mode de réduction de carburant est sélectionné ou non ;
    réduire (S250), par un contrôleur principal (110), une quantité de décharge d'une pompe correspondant à un débit de coupure lorsque le mode de réduction de carburant est sélectionné ;
    identifier (S260) si un mode d'amélioration de capacité est sélectionné ou non lorsque le mode de réduction de carburant n'est pas sélectionné ; et
    fournir (S270), par le contrôleur principal (110), un débit de coupure à au moins l'un des dispositifs de travail qui n'atteint pas la position maximale.
  2. Procédé selon la revendication 1, dans lequel la détection de la position de rotation de l'au moins un dispositif de travail comprend la détection d'un angle du dispositif de travail ou la détection d'un déplacement d'un vérin configuré pour entraîner le dispositif de travail.
  3. Procédé selon la revendication 1, dans lequel la coupure du débit comprend la commande d'un tiroir d'une soupape de réduction de pression proportionnelle électronique indépendamment d'une tension de sortie d'un manche à balai électrique configuré pour commander les dispositifs de travail.
  4. Procédé selon la revendication 1, comprenant en outre la réduction progressive du débit, qui est fourni au dispositif de travail détecté, avant que le dispositif de travail détecté n'atteigne la position maximale.
  5. Procédé selon la revendication 1, dans lequel la machine de construction comprend une excavatrice.
  6. Système pour commander un débit d'une machine de construction, le système comprenant :
    une unité de détection (130, 132, 134) configurée pour détecter une position de rotation d'au moins l'un de dispositifs de travail incluant une flèche (B), un bras (A) et un accessoire (T) de la machine de construction ;
    une unité opérationnelle (140, 142) configurée pour générer des signaux opérationnels pour entraîner les dispositifs de travail ; caractérisé par
    un contrôleur de soupape de commande principale (150) configuré pour commander une pression hydraulique d'un vérin, qui est configuré pour entraîner le au moins un dispositif de travail en déplaçant un tiroir d'une soupape de réduction de pression proportionnelle électronique conformément aux signaux opérationnels de l'unité opérationnelle (140, 142) ; et
    un contrôleur principal (110) configuré pour couper un débit fourni à l'un quelconque des dispositifs de travail lorsque ce dispositif de travail atteint une position maximale,
    dans lequel la flèche (B) peut tourner d'une position de descente maximale (B1) à une position de montée maximale (B2), lesquelles positions correspondent à une position maximale de la flèche (B),
    dans lequel le bras (A) peut tourner d'une position de descente maximale (A1) à une position de montée maximale (A2), lesquelles positions correspondent à une position maximale du bras (A), et
    dans lequel l'accessoire (T) peut tourner d'une position de descente maximale (T1) à une position de montée maximale (T2), lesquelles positions correspondent à une position maximale de l'accessoire (T),
    dans lequel le contrôleur principal (110) est configuré pour réduire une quantité de décharge d'une pompe correspondant à un débit de coupure, et
    dans lequel le contrôleur principal (110) est configuré pour fournir un débit de coupure à au moins l'un des dispositifs de travail qui n'atteint pas la position maximale.
  7. Système selon la revendication 6, dans lequel l'unité de détection comprend un capteur d'angle (130, 132, 134) configuré pour détecter un angle du dispositif de travail ou un capteur de déplacement (130, 132, 134) configuré pour détecter un déplacement du vérin.
  8. Système selon la revendication 6, dans lequel le contrôleur principal transmet un signal de commande pour commander le tiroir de la soupape EPPR indépendamment d'une tension de sortie d'un manche à balai électrique (140, 142) configuré pour commander les dispositifs de travail.
  9. Système selon la revendication 6, dans lequel le contrôleur principal réduit progressivement le débit, qui est fourni au dispositif de travail situé à la position maximale, avant que le dispositif de travail n'atteigne la position maximale.
  10. Système selon la revendication 6, dans lequel la machine de construction comprend une excavatrice.
EP18166095.2A 2017-04-06 2018-04-06 Procédé de régulation d'un débit d'une machine de construction et système permettant de l'exécuter Active EP3385456B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020170044905A KR102054666B1 (ko) 2017-04-06 2017-04-06 건설 기계의 유량 제어 방법 및 이를 수행하기 위한 시스템

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EP3385456A1 EP3385456A1 (fr) 2018-10-10
EP3385456B1 true EP3385456B1 (fr) 2023-01-25

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EP (1) EP3385456B1 (fr)
KR (1) KR102054666B1 (fr)
CN (1) CN108691329B (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021001537A (ja) 2019-06-20 2021-01-07 ジョイ・グローバル・サーフェイス・マイニング・インコーポレーテッド 自動ダンプ制御を備えた産業機械

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991000432A1 (fr) * 1989-06-26 1991-01-10 Kabushiki Kaisha Komatsu Seisakusho Circuit hydraulique
JPH09203087A (ja) * 1996-01-30 1997-08-05 Hitachi Constr Mach Co Ltd 建設機械
JP3734189B2 (ja) * 1996-07-19 2006-01-11 株式会社小松製作所 ２ピースブーム型建設機械のストロークエンドショック低減装置
JP2002021804A (ja) * 2000-07-03 2002-01-23 Hitachi Constr Mach Co Ltd 油圧シリンダの駆動制御装置及びその記録媒体
JP3386797B2 (ja) * 2001-03-16 2003-03-17 株式会社クボタ バックホーの油圧シリンダ制御装置
JP4114684B2 (ja) * 2005-08-11 2008-07-09 コベルコ建機株式会社 油圧シリンダの制御装置及びこれを備えた作業機械
JP2011106591A (ja) * 2009-11-18 2011-06-02 Hitachi Constr Mach Co Ltd 建設機械の油圧駆動装置
JP5752526B2 (ja) * 2011-08-24 2015-07-22 株式会社小松製作所 油圧駆動システム
KR20130075365A (ko) * 2011-12-27 2013-07-05 현대중공업 주식회사 휠 로더의 안전 조향장치
CN204403044U (zh) * 2014-12-29 2015-06-17 劲旅环境科技有限公司 油缸位置检测装置

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Publication number Publication date
CN108691329B (zh) 2024-03-01
EP3385456A1 (fr) 2018-10-10
CN108691329A (zh) 2018-10-23
KR20180113397A (ko) 2018-10-16
KR102054666B1 (ko) 2020-01-22

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