KR101783566B1 - 건설 기계의 다연 방향 전환 밸브 - Google Patents

건설 기계의 다연 방향 전환 밸브 Download PDF

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Publication number
KR101783566B1
KR101783566B1 KR1020167006953A KR20167006953A KR101783566B1 KR 101783566 B1 KR101783566 B1 KR 101783566B1 KR 1020167006953 A KR1020167006953 A KR 1020167006953A KR 20167006953 A KR20167006953 A KR 20167006953A KR 101783566 B1 KR101783566 B1 KR 101783566B1
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KR
South Korea
Prior art keywords
valve
pump
pilot
actuator
boom
Prior art date
Application number
KR1020167006953A
Other languages
English (en)
Korean (ko)
Other versions
KR20160043106A (ko
Inventor
다이스케 오카다
Original Assignee
나부테스코 가부시키가이샤
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 나부테스코 가부시키가이샤 filed Critical 나부테스코 가부시키가이샤
Publication of KR20160043106A publication Critical patent/KR20160043106A/ko
Application granted granted Critical
Publication of KR101783566B1 publication Critical patent/KR101783566B1/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
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
    • 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
    • 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
    • F15B2211/20576—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
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/3056—Assemblies of multiple valves
    • F15B2211/3059—Assemblies of multiple valves having multiple valves for multiple output members
    • F15B2211/30595—Assemblies of multiple valves having multiple valves for multiple output members with additional valves between the groups of valves for multiple output members
    • 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
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/329—Directional control characterised by the type of actuation actuated by fluid pressure
    • 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
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
    • F15B2211/7135—Combinations of output members of different types, e.g. single-acting cylinders with rotary motors
    • 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
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
    • F15B2211/7142—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being arranged in multiple groups

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)
KR1020167006953A 2013-08-20 2014-08-06 건설 기계의 다연 방향 전환 밸브 KR101783566B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2013-170695 2013-08-20
JP2013170695A JP6196499B2 (ja) 2013-08-20 2013-08-20 建設機械の多連方向切換弁
PCT/JP2014/070728 WO2015025713A1 (ja) 2013-08-20 2014-08-06 建設機械の多連方向切換弁

Publications (2)

Publication Number Publication Date
KR20160043106A KR20160043106A (ko) 2016-04-20
KR101783566B1 true KR101783566B1 (ko) 2017-09-29

Family

ID=52483493

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020167006953A KR101783566B1 (ko) 2013-08-20 2014-08-06 건설 기계의 다연 방향 전환 밸브

Country Status (5)

Country Link
EP (1) EP3037676B1 (zh)
JP (1) JP6196499B2 (zh)
KR (1) KR101783566B1 (zh)
CN (1) CN105492779B (zh)
WO (1) WO2015025713A1 (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6873726B2 (ja) * 2017-02-09 2021-05-19 ナブテスコ株式会社 油圧システム
JP6869829B2 (ja) * 2017-06-29 2021-05-12 株式会社クボタ 作業機の油圧システム
JP7001554B2 (ja) * 2018-06-27 2022-01-19 ヤンマーパワーテクノロジー株式会社 クレーン機能付き油圧ショベル
CN108757651A (zh) * 2018-08-20 2018-11-06 杭叉集团股份有限公司 电动叉车及其液压控制系统
JP6964106B2 (ja) * 2019-03-19 2021-11-10 ヤンマーパワーテクノロジー株式会社 建設機械の油圧回路
JP7373406B2 (ja) * 2020-01-08 2023-11-02 ナブテスコ株式会社 油圧回路および建設機械
JP2024008539A (ja) * 2022-07-08 2024-01-19 株式会社小松製作所 油圧バルブ装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001355602A (ja) * 2000-06-12 2001-12-26 Hitachi Constr Mach Co Ltd 作業機械の油圧駆動装置
JP2005299376A (ja) * 2004-03-18 2005-10-27 Kobelco Contstruction Machinery Ltd 油圧ショベルの油圧制御回路

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
JP2767482B2 (ja) * 1990-05-18 1998-06-18 株式会社ゼクセル スタック型油圧制御弁装置
JP3681833B2 (ja) * 1996-09-19 2005-08-10 ヤンマー株式会社 掘削旋回作業機の油圧回路
JP3425844B2 (ja) * 1996-09-30 2003-07-14 コベルコ建機株式会社 油圧ショベル
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
JP3816893B2 (ja) * 2003-04-17 2006-08-30 日立建機株式会社 油圧駆動装置
JP2004324208A (ja) * 2003-04-24 2004-11-18 Hitachi Constr Mach Co Ltd 掘削旋回作業機の油圧回路
JP4223421B2 (ja) * 2004-03-10 2009-02-12 ナブテスコ株式会社 建設機械の油圧回路
US7178333B2 (en) * 2004-03-18 2007-02-20 Kobelco Construction Machinery Co., Ltd. Hydraulic control system for hydraulic excavator
JP4139352B2 (ja) * 2004-05-19 2008-08-27 カヤバ工業株式会社 油圧制御装置
JP4425805B2 (ja) * 2005-01-19 2010-03-03 ナブテスコ株式会社 油圧回路
JP2006328765A (ja) * 2005-05-25 2006-12-07 Kobelco Contstruction Machinery Ltd 油圧ショベルの油圧供給装置
KR100906228B1 (ko) * 2007-03-30 2009-07-07 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 건설중장비용 유압회로
JP5455563B2 (ja) * 2009-11-04 2014-03-26 カヤバ工業株式会社 油圧回路装置
JP5859857B2 (ja) * 2012-01-20 2016-02-16 コベルコ建機株式会社 建設機械の油圧回路

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001355602A (ja) * 2000-06-12 2001-12-26 Hitachi Constr Mach Co Ltd 作業機械の油圧駆動装置
JP2005299376A (ja) * 2004-03-18 2005-10-27 Kobelco Contstruction Machinery Ltd 油圧ショベルの油圧制御回路

Also Published As

Publication number Publication date
CN105492779A (zh) 2016-04-13
JP6196499B2 (ja) 2017-09-13
KR20160043106A (ko) 2016-04-20
CN105492779B (zh) 2017-06-09
EP3037676A4 (en) 2017-04-26
WO2015025713A1 (ja) 2015-02-26
EP3037676A1 (en) 2016-06-29
JP2015040575A (ja) 2015-03-02
EP3037676B1 (en) 2019-02-27

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