KR101913309B1 - 작업 기계의 유압 구동 장치 - Google Patents

작업 기계의 유압 구동 장치 Download PDF

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Publication number
KR101913309B1
KR101913309B1 KR1020137023845A KR20137023845A KR101913309B1 KR 101913309 B1 KR101913309 B1 KR 101913309B1 KR 1020137023845 A KR1020137023845 A KR 1020137023845A KR 20137023845 A KR20137023845 A KR 20137023845A KR 101913309 B1 KR101913309 B1 KR 101913309B1
Authority
KR
South Korea
Prior art keywords
control
boom
center bypass
arm
bypass valve
Prior art date
Application number
KR1020137023845A
Other languages
English (en)
Korean (ko)
Other versions
KR20140010066A (ko
Inventor
마사히로 가야네
가즈히로 이치무라
가츠아키 고다카
Original Assignee
히다치 겡키 가부시키 가이샤
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 히다치 겡키 가부시키 가이샤 filed Critical 히다치 겡키 가부시키 가이샤
Publication of KR20140010066A publication Critical patent/KR20140010066A/ko
Application granted granted Critical
Publication of KR101913309B1 publication Critical patent/KR101913309B1/ko

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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
    • E02F9/2278—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
    • 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)
KR1020137023845A 2011-02-14 2012-02-09 작업 기계의 유압 구동 장치 KR101913309B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011028940A JP5481408B2 (ja) 2011-02-14 2011-02-14 作業機械の油圧駆動装置
JPJP-P-2011-028940 2011-02-14
PCT/JP2012/052977 WO2012111525A1 (ja) 2011-02-14 2012-02-09 作業機械の油圧駆動装置

Publications (2)

Publication Number Publication Date
KR20140010066A KR20140010066A (ko) 2014-01-23
KR101913309B1 true KR101913309B1 (ko) 2018-10-30

Family

ID=46672451

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020137023845A KR101913309B1 (ko) 2011-02-14 2012-02-09 작업 기계의 유압 구동 장치

Country Status (5)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2977620B1 (en) * 2013-03-22 2018-01-17 Hitachi Construction Machinery Tierra Co., Ltd. Hydraulic drive device of construction machine
JP6279856B2 (ja) * 2013-08-27 2018-02-14 住友建機株式会社 ショベル用表示装置
KR102425743B1 (ko) * 2015-08-21 2022-07-28 현대두산인프라코어(주) 건설기계 및 건설기계의 제어 방법
JP6456277B2 (ja) * 2015-12-18 2019-01-23 日立建機株式会社 建設機械
JP6580618B2 (ja) * 2017-03-21 2019-09-25 日立建機株式会社 建設機械
JP6660907B2 (ja) * 2017-03-24 2020-03-11 日立建機株式会社 建設機械
JP6698573B2 (ja) * 2017-03-27 2020-05-27 日立建機株式会社 油圧駆動装置
CN108343646B (zh) * 2017-12-29 2023-07-18 长安大学 一种电液混合驱动式机械臂控制***及控制方法
WO2019179596A1 (en) 2018-03-19 2019-09-26 Volvo Construction Equipment Ab An electrically powered hydraulic system and a method for controlling an electrically powered hydraulic system
JP7269411B2 (ja) * 2019-03-27 2023-05-08 日立建機株式会社 作業機械

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06159312A (ja) * 1992-11-16 1994-06-07 Hitachi Constr Mach Co Ltd 建設機械の油圧駆動装置
JPH06280810A (ja) * 1993-03-23 1994-10-07 Hitachi Constr Mach Co Ltd 油圧作業機の油圧駆動装置
JP3501902B2 (ja) * 1996-06-28 2004-03-02 コベルコ建機株式会社 建設機械の制御回路
JP3550260B2 (ja) * 1996-09-30 2004-08-04 コベルコ建機株式会社 アクチュエータ作動特性制御装置
US6209321B1 (en) * 1997-08-29 2001-04-03 Komatsu Ltd. Hydraulic controller for a working machine
JP3917257B2 (ja) 1997-09-05 2007-05-23 日立建機株式会社 油圧作業機の油圧回路装置
JPH11303809A (ja) * 1998-04-20 1999-11-02 Komatsu Ltd 油圧駆動機械のポンプ制御装置
JP3533085B2 (ja) * 1998-04-23 2004-05-31 コベルコ建機株式会社 建設機械のポンプ制御装置
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
KR100641397B1 (ko) * 2005-09-15 2006-11-01 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 유압제어시스템
JP2010230039A (ja) * 2009-03-26 2010-10-14 Caterpillar Sarl 流体圧回路
JP5380240B2 (ja) * 2009-10-13 2014-01-08 日立建機株式会社 作業機械の油圧駆動装置
JP2011127727A (ja) * 2009-12-21 2011-06-30 Sumitomo (Shi) Construction Machinery Co Ltd 建設機械の油圧回路

Also Published As

Publication number Publication date
CN103380303A (zh) 2013-10-30
EP2677180B1 (en) 2021-09-22
EP2677180A1 (en) 2013-12-25
CN103380303B (zh) 2015-10-14
EP2677180A4 (en) 2018-02-14
JP5481408B2 (ja) 2014-04-23
JP2012167735A (ja) 2012-09-06
WO2012111525A1 (ja) 2012-08-23
KR20140010066A (ko) 2014-01-23

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E601 Decision to refuse application
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