JP5771332B2 - 建設機械の油圧制御システム - Google Patents

建設機械の油圧制御システム Download PDF

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Publication number
JP5771332B2
JP5771332B2 JP2014524910A JP2014524910A JP5771332B2 JP 5771332 B2 JP5771332 B2 JP 5771332B2 JP 2014524910 A JP2014524910 A JP 2014524910A JP 2014524910 A JP2014524910 A JP 2014524910A JP 5771332 B2 JP5771332 B2 JP 5771332B2
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JP
Japan
Prior art keywords
arm
bucket
hydraulic
hydraulic pump
operating device
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.)
Expired - Fee Related
Application number
JP2014524910A
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English (en)
Japanese (ja)
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JP2014522952A (ja
Inventor
オクジン ソク
オクジン ソク
チュンハン イ
チュンハン イ
Original Assignee
ボルボ コンストラクション イクイップメント アーベー
ボルボ コンストラクション イクイップメント アーベー
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Publication of JP2014522952A publication Critical patent/JP2014522952A/ja
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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
    • E02F9/22—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
    • E02F9/22—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
    • E02F9/2004—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)
JP2014524910A 2011-08-09 2011-08-09 建設機械の油圧制御システム Expired - Fee Related JP5771332B2 (ja)

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
JP2014522952A JP2014522952A (ja) 2014-09-08
JP5771332B2 true JP5771332B2 (ja) 2015-08-26

Family

ID=47668625

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014524910A Expired - Fee Related JP5771332B2 (ja) 2011-08-09 2011-08-09 建設機械の油圧制御システム

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112016006779B4 (de) 2016-09-21 2022-06-09 Komatsu Ltd. Arbeitsfahrzeug und Hydraulik-Steuerungsverfahren

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101650061B1 (ko) 2012-01-02 2016-08-22 볼보 컨스트럭션 이큅먼트 에이비 건설기계용 덤프 구동 제어방법
US9562345B2 (en) 2012-06-04 2017-02-07 Volvo Construction Equipment Ab Driving control method for construction machine
DE112013006501T5 (de) 2013-01-24 2016-03-31 Volvo Construction Equipment Ab Vorrichtung und Verfahren zum Steuern einer Flussrate bei Baumaschinen
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
GB2547959B (en) 2016-01-08 2020-07-08 Cummins Inc Communication interface for start-stop systems and methods
CN111465738B (zh) * 2017-12-14 2022-05-27 沃尔沃建筑设备公司 液压机械
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***和挖掘机

Family Cites Families (16)

* 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
JP3142170B2 (ja) * 1992-04-10 2001-03-07 株式会社小松製作所 油圧回路における圧抜き装置
JP3458875B2 (ja) * 1995-10-24 2003-10-20 コベルコ建機株式会社 建設機械の油圧回路
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
US6877417B2 (en) * 2001-04-17 2005-04-12 Shin Caterpillar Mitsubishi Ltd. Fluid pressure circuit
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
KR100975266B1 (ko) * 2005-05-18 2010-08-11 가부시키가이샤 고마쓰 세이사쿠쇼 건설기계의 유압제어장치
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***
KR100961433B1 (ko) * 2008-10-13 2010-06-09 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 건설장비용 유압시스템
EP2157245B1 (fr) * 2008-08-21 2021-03-17 Volvo Construction Equipment AB Système hydraulique pour équipement de construction.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112016006779B4 (de) 2016-09-21 2022-06-09 Komatsu Ltd. Arbeitsfahrzeug und Hydraulik-Steuerungsverfahren
US11408145B2 (en) 2016-09-21 2022-08-09 Komatsu Ltd. Work vehicle and hydraulic control method

Also Published As

Publication number Publication date
JP2014522952A (ja) 2014-09-08
US20140158235A1 (en) 2014-06-12
EP2743517A1 (fr) 2014-06-18
CN103717914A (zh) 2014-04-09
EP2743517A4 (fr) 2015-04-08
CN103717914B (zh) 2016-05-11
WO2013022131A1 (fr) 2013-02-14
KR20140050030A (ko) 2014-04-28

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