WO2008149596A1 - 油圧制御装置 - Google Patents

油圧制御装置 Download PDF

Info

Publication number
WO2008149596A1
WO2008149596A1 PCT/JP2008/056497 JP2008056497W WO2008149596A1 WO 2008149596 A1 WO2008149596 A1 WO 2008149596A1 JP 2008056497 W JP2008056497 W JP 2008056497W WO 2008149596 A1 WO2008149596 A1 WO 2008149596A1
Authority
WO
WIPO (PCT)
Prior art keywords
pair
passages
pump
hydraulic controller
supply
Prior art date
Application number
PCT/JP2008/056497
Other languages
English (en)
French (fr)
Inventor
Masahiro Tanino
Manabu Ogo
Naoki Kumazawa
Original Assignee
Sanyo Kiki 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 Sanyo Kiki Co., Ltd. filed Critical Sanyo Kiki Co., Ltd.
Priority to US12/602,213 priority Critical patent/US8671986B2/en
Publication of WO2008149596A1 publication Critical patent/WO2008149596A1/ja

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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0401—Valve members; Fluid interconnections therefor
    • F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool 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
    • E02F9/226—Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating
    • 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
    • E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2271—Actuators and supports therefor and protection 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
    • E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2275—Hoses and supports therefor and protection therefor
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/01—Locking-valves or other detent i.e. load-holding devices
    • 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
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/321—Directional control characterised by the type of actuation mechanically
    • F15B2211/324—Directional control characterised by the type of actuation mechanically manually, e.g. by using a lever or pedal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/8667—Reciprocating valve
    • Y10T137/86694—Piston valve
    • Y10T137/8671—With annular passage [e.g., spool]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87169—Supply and exhaust

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)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)

Abstract

　アクチュエータ２に連なる一対の給排通路Ｙ、Ｚを、切換スプール挿通孔７に形成され且つ圧油通路Ｓ、Ｖと戻り油通路Ｑ、Ｗとの何れか一方に選択的に連通される状態と中立状態とを取り得る一対の油溜り部（Ａ、Ｂ、Ｃ）、（Ｆ、Ｇ、Ｈ）に、一対の延出通路ａ、ｂを介して連通可能として、一対の給排通路Ｙ、Ｚと、一対の延出通路ａ、ｂとのそれぞれの接続部（Ｉ、Ｊ）、（Ｋ、Ｌ）に、ノンリーク弁１２を設け、ノンリーク弁１２は、ポンプＰの作動開始時に開弁すし、ポンプＰの作動中に開弁を維持し、ポンプＰの非作動時に閉弁するように構成される。 　 　
PCT/JP2008/056497 2007-06-05 2008-04-01 油圧制御装置 WO2008149596A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/602,213 US8671986B2 (en) 2007-06-05 2008-04-01 Hydraulic controller

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007149351A JP5283862B2 (ja) 2007-06-05 2007-06-05 油圧制御装置
JP2007-149351 2007-06-05

Publications (1)

Publication Number Publication Date
WO2008149596A1 true WO2008149596A1 (ja) 2008-12-11

Family

ID=40093423

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/056497 WO2008149596A1 (ja) 2007-06-05 2008-04-01 油圧制御装置

Country Status (3)

Country Link
US (1) US8671986B2 (ja)
JP (1) JP5283862B2 (ja)
WO (1) WO2008149596A1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5758348B2 (ja) * 2012-06-15 2015-08-05 住友建機株式会社 建設機械の油圧回路
CN110621886A (zh) * 2017-09-12 2019-12-27 株式会社岛津制作所 控制阀门
CN112555218B (zh) * 2020-12-18 2024-05-17 涌镇液压机械（上海）有限公司 换向阀阀体结构

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5578803A (en) * 1978-12-01 1980-06-13 Hitachi Ltd Liquid pressure circuit
JPH01261505A (ja) * 1988-04-12 1989-10-18 Toyooki Kogyo Co Ltd シリンダの作動制御回路
JPH05507138A (ja) * 1990-05-26 1993-10-14 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング 作業シリンダのための制御装置
JP2002098102A (ja) * 2000-09-21 2002-04-05 Mori Seiki Co Ltd 流体作動装置
WO2004061313A1 (ja) * 2002-12-27 2004-07-22 Hitachi Construction Machinery Co.,Ltd. 作業車両の油圧回路

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2959190A (en) * 1957-02-25 1960-11-08 Bendix Corp Control valve having operating position hold
US3183785A (en) * 1963-06-26 1965-05-18 Cadillac Gage Co Adaptive gain servo actuator
US3198088A (en) * 1963-08-13 1965-08-03 Caterpillar Tractor Co Fluid motor control system
JPS5226311B2 (ja) * 1973-08-24 1977-07-13
JPS5635806A (en) * 1979-09-01 1981-04-08 Sanyo Kiki Kk Compound oil pressure circuit
US4688470A (en) * 1986-07-21 1987-08-25 Caterpillar Inc. Compensated fluid flow control valve
US4665801A (en) * 1986-07-21 1987-05-19 Caterpillar Inc. Compensated fluid flow control valve
US4741248A (en) * 1987-05-08 1988-05-03 Caterpillar Inc. Load responsive system having synchronizing systems between positive and negative load compensation
US4793238A (en) * 1987-07-01 1988-12-27 Caterpillar Inc. Control signal blocking direction control valve in load-sensing circuit
US4854222A (en) * 1988-08-22 1989-08-08 Allied-Signal Inc. Load compensated servo system to control flow rate as a function of command
US5067389A (en) * 1990-08-30 1991-11-26 Caterpillar Inc. Load check and pressure compensating valve
EP0864761A4 (en) * 1996-08-08 2000-09-27 Hitachi Construction Machinery HYDRAULIC CONTROL DEVICE
US6516706B2 (en) * 1999-08-19 2003-02-11 Delaware Capital Formation, Inc. Actuator having internal valve structure
JP3774149B2 (ja) * 2000-01-25 2006-05-10 日立建機株式会社 油圧駆動装置
DE10004905C2 (de) * 2000-02-04 2002-10-24 Orenstein & Koppel Ag Verfahren und Vorrichtung zur Steuerung eines Hubzylinders insbesondere von Arbeitsmaschinen
KR100849500B1 (ko) * 2006-11-29 2008-07-31 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 플로팅 기능이 구비된 더블 체크밸브
KR100915206B1 (ko) * 2007-09-20 2009-09-02 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 플로팅 기능이 구비된 더블 체크밸브

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5578803A (en) * 1978-12-01 1980-06-13 Hitachi Ltd Liquid pressure circuit
JPH01261505A (ja) * 1988-04-12 1989-10-18 Toyooki Kogyo Co Ltd シリンダの作動制御回路
JPH05507138A (ja) * 1990-05-26 1993-10-14 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング 作業シリンダのための制御装置
JP2002098102A (ja) * 2000-09-21 2002-04-05 Mori Seiki Co Ltd 流体作動装置
WO2004061313A1 (ja) * 2002-12-27 2004-07-22 Hitachi Construction Machinery Co.,Ltd. 作業車両の油圧回路

Also Published As

Publication number Publication date
JP2008303909A (ja) 2008-12-18
JP5283862B2 (ja) 2013-09-04
US20100139791A1 (en) 2010-06-10
US8671986B2 (en) 2014-03-18

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