EP2743517A4 - Système de commande hydraulique pour engins de chantier - Google Patents

Système de commande hydraulique pour engins de chantier

Info

Publication number
EP2743517A4
EP2743517A4 EP20110870643 EP11870643A EP2743517A4 EP 2743517 A4 EP2743517 A4 EP 2743517A4 EP 20110870643 EP20110870643 EP 20110870643 EP 11870643 A EP11870643 A EP 11870643A EP 2743517 A4 EP2743517 A4 EP 2743517A4
Authority
EP
European Patent Office
Prior art keywords
control system
hydraulic control
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.)
Withdrawn
Application number
EP20110870643
Other languages
German (de)
English (en)
Other versions
EP2743517A1 (fr
Inventor
Ok-Jin Suk
Chun-Han Lee
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 AB
Original Assignee
Volvo Construction Equipment AB
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 Volvo Construction Equipment AB filed Critical Volvo Construction Equipment AB
Publication of EP2743517A1 publication Critical patent/EP2743517A1/fr
Publication of EP2743517A4 publication Critical patent/EP2743517A4/fr
Withdrawn legal-status Critical Current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
    • E02F9/2221—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
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
    • E02F9/2242—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance 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
    • E02F9/2004—Control mechanisms, e.g. control levers
    • 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
    • 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
    • E02F9/2282—Systems using center bypass type changeover valves
    • 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
    • E02F9/2285—Pilot-operated systems
    • 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
    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
    • 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
    • F15B2211/2053—Type of pump
    • F15B2211/20546—Type of pump variable capacity
    • 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
    • F15B2211/20576—Systems with pumps with multiple pumps
    • 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
    • F15B2211/30—Directional control
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3105—Neutral or centre positions
    • F15B2211/3116—Neutral or centre positions the pump port being open in the centre position, e.g. so-called open centre
    • 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7053—Double-acting output members
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/85978—With pump
    • Y10T137/85986—Pumped fluid control

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)
EP20110870643 2011-08-09 2011-08-09 Système de commande hydraulique pour engins de chantier Withdrawn EP2743517A4 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2011/005790 WO2013022131A1 (fr) 2011-08-09 2011-08-09 Système de commande hydraulique pour engins de chantier

Publications (2)

Publication Number Publication Date
EP2743517A1 EP2743517A1 (fr) 2014-06-18
EP2743517A4 true EP2743517A4 (fr) 2015-04-08

Family

ID=47668625

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20110870643 Withdrawn EP2743517A4 (fr) 2011-08-09 2011-08-09 Système de commande hydraulique pour engins de chantier

Country Status (6)

Country Link
US (1) US20140158235A1 (fr)
EP (1) EP2743517A4 (fr)
JP (1) JP5771332B2 (fr)
KR (1) KR20140050030A (fr)
CN (1) CN103717914B (fr)
WO (1) WO2013022131A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9187879B2 (en) 2012-01-02 2015-11-17 Volvo Construction Equipment Ab Method for controlling operation of dump for construction machinery
KR101770732B1 (ko) 2012-06-04 2017-08-23 볼보 컨스트럭션 이큅먼트 에이비 건설기계의 주행 제어방법
KR101741703B1 (ko) 2013-01-24 2017-05-30 볼보 컨스트럭션 이큅먼트 에이비 건설기계의 유량 제어장치 및 제어방법
KR20150005752A (ko) * 2013-07-04 2015-01-15 현대중공업 주식회사 플로팅 기능을 가지는 붐 합류용 유압회로
JP5975073B2 (ja) * 2014-07-30 2016-08-23 コベルコ建機株式会社 建設機械
GB2582227B (en) 2016-01-08 2021-04-21 Cummins Inc Communication interface for start-stop systems and methods
KR102123481B1 (ko) 2016-09-21 2020-06-16 가부시키가이샤 고마쓰 세이사쿠쇼 작업 차량 및 유압 제어 방법
WO2019117375A1 (fr) * 2017-12-14 2019-06-20 Volvo Construction Equipment Ab Machine hydraulique
CN110861225A (zh) * 2019-11-26 2020-03-06 中铁十一局集团第二工程有限公司 隧道衬砌的切割方法
CN111501893A (zh) * 2020-04-30 2020-08-07 徐州徐工挖掘机械有限公司 负流量液压系统和挖掘机

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05288203A (ja) * 1992-04-10 1993-11-02 Komatsu Ltd 圧力補償弁を有する油圧回路における圧抜き装置
JPH09119148A (ja) * 1995-10-24 1997-05-06 Yutani Heavy Ind Ltd 建設機械の油圧回路
GB2441258A (en) * 2005-05-18 2008-02-27 Komatsu Mfg Co Ltd Hydraulic controller of construction machinery

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2551543B2 (ja) * 1988-06-17 1996-11-06 油谷重工株式会社 油圧ショベルの油圧回路
JP3183815B2 (ja) * 1995-12-27 2001-07-09 日立建機株式会社 油圧ショベルの油圧回路
JP3943779B2 (ja) * 1999-01-19 2007-07-11 日立建機株式会社 土木・建設機械の油圧駆動装置
JP2001295803A (ja) * 2000-04-10 2001-10-26 Hitachi Constr Mach Co Ltd 作業機械の油圧駆動装置
JP3606177B2 (ja) * 2000-07-25 2005-01-05 住友建機製造株式会社 油圧ショベルの制御回路
KR100680412B1 (ko) * 2001-04-17 2007-02-08 신갸타피라 미쓰비시 가부시키가이샤 유체압 회로
JP4209705B2 (ja) * 2003-03-17 2009-01-14 日立建機株式会社 作業機の油圧回路
JP4062160B2 (ja) * 2003-04-23 2008-03-19 コベルコ建機株式会社 油圧バルブ装置
JP2007100779A (ja) * 2005-10-03 2007-04-19 Kayaba Ind Co Ltd 油圧制御装置
JP4948046B2 (ja) * 2006-06-06 2012-06-06 カヤバ工業株式会社 建設機械の動力装置
CN101929177A (zh) * 2008-07-02 2010-12-29 沃尔沃建造设备控股（瑞典）有限公司 用于挖掘机的液压控制系统
EP2157245B1 (fr) * 2008-08-21 2021-03-17 Volvo Construction Equipment AB Système hydraulique pour équipement de construction.
KR100961433B1 (ko) * 2008-10-13 2010-06-09 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 건설장비용 유압시스템

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05288203A (ja) * 1992-04-10 1993-11-02 Komatsu Ltd 圧力補償弁を有する油圧回路における圧抜き装置
JPH09119148A (ja) * 1995-10-24 1997-05-06 Yutani Heavy Ind Ltd 建設機械の油圧回路
GB2441258A (en) * 2005-05-18 2008-02-27 Komatsu Mfg Co Ltd Hydraulic controller of construction machinery

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013022131A1 *

Also Published As

Publication number Publication date
CN103717914B (zh) 2016-05-11
EP2743517A1 (fr) 2014-06-18
JP5771332B2 (ja) 2015-08-26
WO2013022131A1 (fr) 2013-02-14
JP2014522952A (ja) 2014-09-08
KR20140050030A (ko) 2014-04-28
CN103717914A (zh) 2014-04-09
US20140158235A1 (en) 2014-06-12

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