EP2636910A4 - HYDRAULIC CONTROL DEVICE FOR CONSTRUCTION MACHINE - Google Patents

HYDRAULIC CONTROL DEVICE FOR CONSTRUCTION MACHINE

Info

Publication number
EP2636910A4
EP2636910A4 EP11837981.7A EP11837981A EP2636910A4 EP 2636910 A4 EP2636910 A4 EP 2636910A4 EP 11837981 A EP11837981 A EP 11837981A EP 2636910 A4 EP2636910 A4 EP 2636910A4
Authority
EP
European Patent Office
Prior art keywords
control device
hydraulic control
construction machine
construction
machine
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
EP11837981.7A
Other languages
German (de)
French (fr)
Other versions
EP2636910B1 (en
EP2636910A1 (en
Inventor
Katsuaki Kodaka
Yuta Nakamura
Masahiro Kayane
Kazuhiro Ichimura
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co Ltd
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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Publication of EP2636910A1 publication Critical patent/EP2636910A1/en
Publication of EP2636910A4 publication Critical patent/EP2636910A4/en
Application granted granted Critical
Publication of EP2636910B1 publication Critical patent/EP2636910B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • 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
    • 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
    • E02F9/225—Control of steering, e.g. for hydraulic motors driving the vehicle tracks
    • 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
    • E02F9/226—Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating
    • 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
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/028—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
    • 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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
    • 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
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30505—Non-return valves, i.e. check valves
    • 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
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50518—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief valves
    • 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/615—Filtering means
    • 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/625—Accumulators

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)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
EP11837981.7A 2010-11-05 2011-10-31 Hydraulic drive device for construction machine Active EP2636910B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010248558A JP5481350B2 (en) 2010-11-05 2010-11-05 Hydraulic drive device for work machine
PCT/JP2011/075078 WO2012060331A1 (en) 2010-11-05 2011-10-31 Hydraulic drive device for construction machine

Publications (3)

Publication Number Publication Date
EP2636910A1 EP2636910A1 (en) 2013-09-11
EP2636910A4 true EP2636910A4 (en) 2016-07-13
EP2636910B1 EP2636910B1 (en) 2018-06-20

Family

ID=46024445

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11837981.7A Active EP2636910B1 (en) 2010-11-05 2011-10-31 Hydraulic drive device for construction machine

Country Status (5)

Country Link
EP (1) EP2636910B1 (en)
JP (1) JP5481350B2 (en)
KR (1) KR101850570B1 (en)
CN (1) CN103201523B (en)
WO (1) WO2012060331A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103711172B (en) * 2013-12-18 2015-12-09 广西柳工机械股份有限公司 Loader four-pump quantitative confluence hydraulic system
CN105986595B (en) * 2015-02-04 2019-10-01 卡特彼勒（青州）有限公司 Hydraulic system and machine for machine
CN110382784B (en) 2017-12-26 2022-03-11 日立建机株式会社 work machinery
CN108373129A (en) * 2018-04-28 2018-08-07 浙江大学舟山海洋研究中心 The synchronous lifting device of super low temperature quick frozen production line
CN111120437B (en) * 2020-02-05 2023-06-06 山东路得威工程机械制造有限公司 Multimode steering traveling system of engineering machinery
KR102343033B1 (en) * 2021-04-19 2021-12-27 주식회사 모트롤 Hydraulic system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3237019A1 (en) * 1981-10-07 1983-04-21 Linde Ag, 6200 Wiesbaden Motor vehicle having two pumps with different displacement volume
JPH0635607U (en) * 1992-10-12 1994-05-13 カヤバ工業株式会社 Filter device with protection circuit
US5895099A (en) * 1997-10-17 1999-04-20 Deere & Company Hydraulic structure for a brake system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0650810B2 (en) 1986-06-25 1994-06-29 富士通テン株式会社 Sound quality control device
JP2514098Y2 (en) * 1990-08-03 1996-10-16 本田技研工業株式会社 Hydraulic control device for active suspension system
JP2582783Y2 (en) * 1993-12-22 1998-10-08 株式会社新潟鉄工所 Hydraulic filtration circuit
JP4111286B2 (en) * 1998-06-30 2008-07-02 コベルコ建機株式会社 Construction machine traveling control method and apparatus
JP4151597B2 (en) * 2004-03-31 2008-09-17 コベルコ建機株式会社 Hydraulic control circuit and construction machinery
JP2006036021A (en) * 2004-07-27 2006-02-09 Hitachi Constr Mach Co Ltd Hydraulic drive device
JP2006290236A (en) * 2005-04-13 2006-10-26 Hitachi Constr Mach Co Ltd Hydraulic drive device
JP4871778B2 (en) * 2007-04-16 2012-02-08 日立建機株式会社 Filter clogging judgment device for construction machinery
JP5380236B2 (en) * 2009-10-07 2014-01-08 日立建機株式会社 Hydraulic drive unit for wheel type construction machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3237019A1 (en) * 1981-10-07 1983-04-21 Linde Ag, 6200 Wiesbaden Motor vehicle having two pumps with different displacement volume
JPH0635607U (en) * 1992-10-12 1994-05-13 カヤバ工業株式会社 Filter device with protection circuit
US5895099A (en) * 1997-10-17 1999-04-20 Deere & Company Hydraulic structure for a brake system

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"HYDRAULIC FILTRATION", HYDRAULICS AND PNEUMATICS, PENTON MEDIA, CLEVELAND, OH, US, vol. 31, no. 3, 1 March 1978 (1978-03-01), pages 10 - 21, XP002007022, ISSN: 0018-814X *
See also references of WO2012060331A1 *

Also Published As

Publication number Publication date
EP2636910B1 (en) 2018-06-20
EP2636910A1 (en) 2013-09-11
KR20130143581A (en) 2013-12-31
CN103201523B (en) 2015-05-06
KR101850570B1 (en) 2018-04-19
JP2012097885A (en) 2012-05-24
WO2012060331A1 (en) 2012-05-10
JP5481350B2 (en) 2014-04-23
CN103201523A (en) 2013-07-10

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