EP2677180A4 - Hydraulic drive device of working machine - Google Patents

Hydraulic drive device of working machine Download PDF

Info

Publication number
EP2677180A4
EP2677180A4 EP12747270.2A EP12747270A EP2677180A4 EP 2677180 A4 EP2677180 A4 EP 2677180A4 EP 12747270 A EP12747270 A EP 12747270A EP 2677180 A4 EP2677180 A4 EP 2677180A4
Authority
EP
European Patent Office
Prior art keywords
drive device
working machine
hydraulic drive
hydraulic
working
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
EP12747270.2A
Other languages
German (de)
French (fr)
Other versions
EP2677180A1 (en
EP2677180B1 (en
Inventor
Masahiro Kayane
Kazuhiro Ichimura
Katsuaki Kodaka
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 EP2677180A1 publication Critical patent/EP2677180A1/en
Publication of EP2677180A4 publication Critical patent/EP2677180A4/en
Application granted granted Critical
Publication of EP2677180B1 publication Critical patent/EP2677180B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • 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
    • E02F9/2278—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
    • E02F9/2296—Systems with a variable displacement pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/002—Hydraulic systems to change the pump delivery
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/08—Regulating by delivery pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/12—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by varying the length of stroke of the working members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
EP12747270.2A 2011-02-14 2012-02-09 Hydraulic drive device of a working machine Active EP2677180B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011028940A JP5481408B2 (en) 2011-02-14 2011-02-14 Hydraulic drive device for work machine
PCT/JP2012/052977 WO2012111525A1 (en) 2011-02-14 2012-02-09 Hydraulic drive device of working machine

Publications (3)

Publication Number Publication Date
EP2677180A1 EP2677180A1 (en) 2013-12-25
EP2677180A4 true EP2677180A4 (en) 2018-02-14
EP2677180B1 EP2677180B1 (en) 2021-09-22

Family

ID=46672451

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12747270.2A Active EP2677180B1 (en) 2011-02-14 2012-02-09 Hydraulic drive device of a working machine

Country Status (5)

Country Link
EP (1) EP2677180B1 (en)
JP (1) JP5481408B2 (en)
KR (1) KR101913309B1 (en)
CN (1) CN103380303B (en)
WO (1) WO2012111525A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5996778B2 (en) * 2013-03-22 2016-09-21 日立建機株式会社 Hydraulic drive unit for construction machinery
JP6279856B2 (en) * 2013-08-27 2018-02-14 住友建機株式会社 Excavator display
KR102425743B1 (en) * 2015-08-21 2022-07-28 현대두산인프라코어(주) Construction machinery and method for controlling the construction machinery
JP6456277B2 (en) * 2015-12-18 2019-01-23 日立建機株式会社 Construction machinery
JP6580618B2 (en) * 2017-03-21 2019-09-25 日立建機株式会社 Construction machinery
JP6660907B2 (en) * 2017-03-24 2020-03-11 日立建機株式会社 Construction machinery
JP6698573B2 (en) * 2017-03-27 2020-05-27 日立建機株式会社 Hydraulic drive
CN108343646B (en) * 2017-12-29 2023-07-18 长安大学 Electro-hydraulic hybrid driving type mechanical arm control system and control method
CN111712604B (en) 2018-03-19 2023-01-10 沃尔沃建筑设备公司 Electro-hydraulic system and method for controlling an electro-hydraulic system
JP7269411B2 (en) * 2019-03-27 2023-05-08 日立建機株式会社 working machine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06159312A (en) * 1992-11-16 1994-06-07 Hitachi Constr Mach Co Ltd Hydraulically driven device for construction machine
JPH06280810A (en) * 1993-03-23 1994-10-07 Hitachi Constr Mach Co Ltd Hydraulic driving device for hydraulic operation machine
US5970709A (en) * 1996-09-30 1999-10-26 Kabushiki Kaisha Kobe Seiko Sho Hydraulic control circuit in a hydraulic excavator
US6282892B1 (en) * 1998-04-23 2001-09-04 Kobelco Construction Machinery Co., Ltd. Pump controller for construction machine
EP1764515A2 (en) * 2005-09-15 2007-03-21 Volvo Construction Equipment Holding Sweden AB Hydraulic control system for heavy construction equipment

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3501902B2 (en) * 1996-06-28 2004-03-02 コベルコ建機株式会社 Construction machine control circuit
US6209321B1 (en) * 1997-08-29 2001-04-03 Komatsu Ltd. Hydraulic controller for a working machine
JP3917257B2 (en) 1997-09-05 2007-05-23 日立建機株式会社 Hydraulic circuit device for hydraulic working machine
JPH11303809A (en) * 1998-04-20 1999-11-02 Komatsu Ltd Pump control device for hydraulic drive machine
JP3943779B2 (en) * 1999-01-19 2007-07-11 日立建機株式会社 Hydraulic drive system for civil engineering and construction machinery
JP2010230039A (en) * 2009-03-26 2010-10-14 Caterpillar Sarl Hydraulic circuit
JP5380240B2 (en) * 2009-10-13 2014-01-08 日立建機株式会社 Hydraulic drive device for work machine
JP2011127727A (en) * 2009-12-21 2011-06-30 Sumitomo (Shi) Construction Machinery Co Ltd Hydraulic circuit of construction machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06159312A (en) * 1992-11-16 1994-06-07 Hitachi Constr Mach Co Ltd Hydraulically driven device for construction machine
JPH06280810A (en) * 1993-03-23 1994-10-07 Hitachi Constr Mach Co Ltd Hydraulic driving device for hydraulic operation machine
US5970709A (en) * 1996-09-30 1999-10-26 Kabushiki Kaisha Kobe Seiko Sho Hydraulic control circuit in a hydraulic excavator
US6282892B1 (en) * 1998-04-23 2001-09-04 Kobelco Construction Machinery Co., Ltd. Pump controller for construction machine
EP1764515A2 (en) * 2005-09-15 2007-03-21 Volvo Construction Equipment Holding Sweden AB Hydraulic control system for heavy construction equipment

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012111525A1 *

Also Published As

Publication number Publication date
KR101913309B1 (en) 2018-10-30
WO2012111525A1 (en) 2012-08-23
EP2677180A1 (en) 2013-12-25
CN103380303B (en) 2015-10-14
JP5481408B2 (en) 2014-04-23
CN103380303A (en) 2013-10-30
JP2012167735A (en) 2012-09-06
KR20140010066A (en) 2014-01-23
EP2677180B1 (en) 2021-09-22

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