KR20170038160A - 방향 전환 밸브 및 유압 시스템 - Google Patents

방향 전환 밸브 및 유압 시스템 Download PDF

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Publication number
KR20170038160A
KR20170038160A KR1020160122892A KR20160122892A KR20170038160A KR 20170038160 A KR20170038160 A KR 20170038160A KR 1020160122892 A KR1020160122892 A KR 1020160122892A KR 20160122892 A KR20160122892 A KR 20160122892A KR 20170038160 A KR20170038160 A KR 20170038160A
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KR
South Korea
Prior art keywords
passage
valve
hole
actuator
pressure
Prior art date
Application number
KR1020160122892A
Other languages
English (en)
Korean (ko)
Inventor
히토시 이와사키
료마 마사타니
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 KR20170038160A publication Critical patent/KR20170038160A/ko

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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
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • 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
    • 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
    • F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • 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
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
    • F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
    • F16K11/07—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides
    • 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
    • F15B2013/041—Valve members; Fluid interconnections therefor with two positions
    • 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
KR1020160122892A 2015-09-29 2016-09-26 방향 전환 밸브 및 유압 시스템 KR20170038160A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015191844A JP6647826B2 (ja) 2015-09-29 2015-09-29 方向切換弁及び油圧システム
JPJP-P-2015-191844 2015-09-29

Publications (1)

Publication Number Publication Date
KR20170038160A true KR20170038160A (ko) 2017-04-06

Family

ID=58492001

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020160122892A KR20170038160A (ko) 2015-09-29 2016-09-26 방향 전환 밸브 및 유압 시스템

Country Status (3)

Country Link
JP (1) JP6647826B2 (ja)
KR (1) KR20170038160A (ja)
CN (1) CN107061404B (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6999336B2 (ja) * 2017-09-13 2022-01-18 ナブテスコ株式会社 油圧回路
JP6941540B2 (ja) * 2017-11-15 2021-09-29 株式会社オグラ 油圧作動装置
JP6600386B1 (ja) * 2018-07-06 2019-10-30 Ｋｙｂ株式会社 弁装置
JP7262200B2 (ja) * 2018-10-12 2023-04-21 ナブテスコ株式会社 方向切換弁

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011179541A (ja) 2010-02-26 2011-09-15 Kyb Co Ltd 建設機械の制御装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58166104A (ja) * 1982-03-27 1983-10-01 Kayaba Ind Co Ltd 方向制御弁
JPH06100202B2 (ja) * 1986-05-27 1994-12-12 油谷重工株式会社 可変再生回路
GB2199115A (en) * 1986-11-27 1988-06-29 Michael David Baxter Spool valve
JPH02134401A (ja) * 1988-11-10 1990-05-23 Diesel Kiki Co Ltd 油圧制御装置
GB2270736B (en) * 1992-09-16 1996-06-12 Trans Nordic Hydraulics Limite Spool valve
JPH0835502A (ja) * 1994-07-26 1996-02-06 Hitachi Constr Mach Co Ltd 方向切換弁装置
KR100655974B1 (ko) * 1999-12-29 2006-12-08 두산인프라코어 주식회사 굴삭기의 암실린더 재생유압회로 제어장치
KR100611713B1 (ko) * 2004-10-14 2006-08-11 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 재생기능을 구비한 유압제어밸브
KR100929421B1 (ko) * 2007-10-22 2009-12-03 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 중장비용 유압제어밸브
DE102012001562A1 (de) * 2012-01-27 2013-08-01 Robert Bosch Gmbh Ventilanordnung für eine mobile Arbeitsmaschine
CN104235096B (zh) * 2013-08-19 2017-02-15 江苏恒立液压科技有限公司 能源再生利用的液压控制主阀
CN203685741U (zh) * 2014-01-20 2014-07-02 浙江高宇液压机电有限公司 具有回油再生功能的多路换向阀
CN104455548B (zh) * 2014-12-15 2016-09-28 山东华伟液压科技有限公司 一种油液再生阀及其工作方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011179541A (ja) 2010-02-26 2011-09-15 Kyb Co Ltd 建設機械の制御装置

Also Published As

Publication number Publication date
CN107061404A (zh) 2017-08-18
JP6647826B2 (ja) 2020-02-14
CN107061404B (zh) 2020-11-06
JP2017067137A (ja) 2017-04-06

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