EP2772653A4 - Control system for operating work device for construction machine - Google Patents

Control system for operating work device for construction machine

Info

Publication number
EP2772653A4
EP2772653A4 EP11873593.5A EP11873593A EP2772653A4 EP 2772653 A4 EP2772653 A4 EP 2772653A4 EP 11873593 A EP11873593 A EP 11873593A EP 2772653 A4 EP2772653 A4 EP 2772653A4
Authority
EP
European Patent Office
Prior art keywords
control system
construction machine
work device
operating work
operating
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Withdrawn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
EP11873593.5A
Other languages
German (de)
French (fr)
Other versions
EP2772653A1 (en
Inventor
Hea-Gyoon Joung
Young-Bog Song
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 EP2772653A1 publication Critical patent/EP2772653A1/en
Publication of EP2772653A4 publication Critical patent/EP2772653A4/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Withdrawn legal-status Critical Current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
    • 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
    • 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
    • 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
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
    • E02F9/12—Slewing or traversing gears
    • E02F9/121—Turntables, i.e. structure rotatable about 360°
    • E02F9/123—Drives or control devices specially adapted therefor
    • 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
    • E02F9/2217—Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels
    • 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
    • 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
    • E02F9/2285—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
    • 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
    • F15B2211/30—Directional control
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3122—Special positions other than the pump port being connected to working ports or the working ports being connected to the return line
    • F15B2211/3133—Regenerative position connecting the working ports or connecting the working ports to the pump, e.g. for high-speed approach stroke

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)
  • Fluid-Pressure Circuits (AREA)
EP11873593.5A 2011-10-07 2011-10-07 Control system for operating work device for construction machine Withdrawn EP2772653A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2011/007439 WO2013051740A1 (en) 2011-10-07 2011-10-07 Control system for operating work device for construction machine

Publications (2)

Publication Number Publication Date
EP2772653A1 EP2772653A1 (en) 2014-09-03
EP2772653A4 true EP2772653A4 (en) 2015-10-21

Family

ID=48043892

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11873593.5A Withdrawn EP2772653A4 (en) 2011-10-07 2011-10-07 Control system for operating work device for construction machine

Country Status (6)

Country Link
US (1) US20140238010A1 (en)
EP (1) EP2772653A4 (en)
JP (1) JP5802338B2 (en)
KR (1) KR20140074306A (en)
CN (1) CN103842663A (en)
WO (1) WO2013051740A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101861856B1 (en) * 2012-01-27 2018-05-28 두산인프라코어 주식회사 Hydraulic control system for swing motor for construction machinery
EP2947211B1 (en) 2013-01-18 2018-09-26 Volvo Construction Equipment AB Flow control device and flow control method for construction machine
EP2960529B1 (en) 2013-02-19 2019-01-02 Volvo Construction Equipment AB Hydraulic system for construction machine, provided with protection device
KR20160023710A (en) 2013-06-28 2016-03-03 볼보 컨스트럭션 이큅먼트 에이비 Hydraulic circuit for construction machinery having floating function and method for controlling floating function
CN105637152B (en) * 2013-07-24 2017-11-28 沃尔沃建造设备有限公司 Hydraulic circuit for engineering machinery
CN104179738B (en) * 2014-08-07 2016-04-13 龙工（上海）精工液压有限公司 A kind of sliding loader open type hydraulic system
CN106715801A (en) * 2014-09-19 2017-05-24 沃尔沃建造设备有限公司 Hydraulic circuit for construction equipment
WO2016098926A1 (en) * 2014-12-17 2016-06-23 볼보 컨스트럭션 이큅먼트 에이비 Control method for driving hydraulic actuator of construction machine
WO2016208780A1 (en) * 2015-06-22 2016-12-29 볼보 컨스트럭션 이큅먼트 에이비 Hydraulic circuit for construction equipment
JP7198072B2 (en) * 2018-12-13 2022-12-28 キャタピラー エス エー アール エル Hydraulic control circuit for construction machinery
JP7221101B2 (en) * 2019-03-20 2023-02-13 日立建機株式会社 excavator
JP7305532B2 (en) * 2019-12-28 2023-07-10 株式会社クボタ flow control valve

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1577447A1 (en) * 2004-03-18 2005-09-21 Kobelco Construction Machinery Co., Ltd. Hydraulic control device for hydraulic excavator
EP1591669A1 (en) * 2003-01-14 2005-11-02 Hitachi Construction Machinery Co., Ltd. Hydraulic working machine
EP2151526A1 (en) * 2008-08-08 2010-02-10 Volvo Construction Equipment Holding Sweden AB Hydraulic flow sharing system for excavating and pipe laying work
EP2264250A2 (en) * 2009-06-16 2010-12-22 Volvo Construction Equipment Holding Sweden AB Hydraulic system for construction equipment having float function
WO2011078580A2 (en) * 2009-12-24 2011-06-30 두산인프라코어 주식회사 Hydraulic control apparatus for construction machinery

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6129813Y2 (en) * 1980-07-07 1986-09-02
JPS57184136A (en) * 1981-05-06 1982-11-12 Hitachi Constr Mach Co Ltd Oil-pressure circuit for oil-pressure working machine
JP3061529B2 (en) * 1994-05-16 2000-07-10 日立建機株式会社 Hydraulic drive for hydraulic excavator with loader front
JPH07317713A (en) * 1994-05-27 1995-12-08 Yutani Heavy Ind Ltd Hydraulic circuit for construction machine
JP3403538B2 (en) * 1995-03-03 2003-05-06 日立建機株式会社 Control equipment for construction machinery
JPH1182413A (en) * 1997-08-29 1999-03-26 Komatsu Ltd Hydraulic control device working machine
JP3777114B2 (en) * 2001-11-05 2006-05-24 日立建機株式会社 Hydraulic circuit device for hydraulic working machine
JP2004324208A (en) * 2003-04-24 2004-11-18 Hitachi Constr Mach Co Ltd Hydraulic circuit for excavating revolving work machine
CN100464036C (en) * 2005-03-28 2009-02-25 广西柳工机械股份有限公司 Path control system used for hydraulic digger operating device and its method
JP5079827B2 (en) * 2010-02-10 2012-11-21 日立建機株式会社 Hydraulic drive device for hydraulic excavator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1591669A1 (en) * 2003-01-14 2005-11-02 Hitachi Construction Machinery Co., Ltd. Hydraulic working machine
EP1577447A1 (en) * 2004-03-18 2005-09-21 Kobelco Construction Machinery Co., Ltd. Hydraulic control device for hydraulic excavator
EP2151526A1 (en) * 2008-08-08 2010-02-10 Volvo Construction Equipment Holding Sweden AB Hydraulic flow sharing system for excavating and pipe laying work
EP2264250A2 (en) * 2009-06-16 2010-12-22 Volvo Construction Equipment Holding Sweden AB Hydraulic system for construction equipment having float function
WO2011078580A2 (en) * 2009-12-24 2011-06-30 두산인프라코어 주식회사 Hydraulic control apparatus for construction machinery

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013051740A1 *

Also Published As

Publication number Publication date
EP2772653A1 (en) 2014-09-03
CN103842663A (en) 2014-06-04
KR20140074306A (en) 2014-06-17
JP5802338B2 (en) 2015-10-28
WO2013051740A1 (en) 2013-04-11
JP2014534386A (en) 2014-12-18
US20140238010A1 (en) 2014-08-28

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20150922

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Ipc: F15B 13/02 20060101ALI20150916BHEP

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