KR101831494B1 - 방향 전환 밸브 - Google Patents

방향 전환 밸브 Download PDF

Info

Publication number
KR101831494B1
KR101831494B1 KR1020150156073A KR20150156073A KR101831494B1 KR 101831494 B1 KR101831494 B1 KR 101831494B1 KR 1020150156073 A KR1020150156073 A KR 1020150156073A KR 20150156073 A KR20150156073 A KR 20150156073A KR 101831494 B1 KR101831494 B1 KR 101831494B1
Authority
KR
South Korea
Prior art keywords
passage
unloading
actuator
spool
pump
Prior art date
Application number
KR1020150156073A
Other languages
English (en)
Korean (ko)
Other versions
KR20160056284A (ko
Inventor
히토시 이와사키
아키노리 아베
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 KR20160056284A publication Critical patent/KR20160056284A/ko
Application granted granted Critical
Publication of KR101831494B1 publication Critical patent/KR101831494B1/ko

Links

Images

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
    • F15B13/021—Valves for interconnecting the fluid chambers of an actuator
    • 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
    • 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
    • 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
    • F15B13/022—Flow-dividers; Priority 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
    • 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
    • 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
    • F16K11/0708—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 comprising means to avoid jamming of the slide or means to modify the flow

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Multiple-Way Valves (AREA)
  • Valve Housings (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
KR1020150156073A 2014-11-11 2015-11-06 방향 전환 밸브 KR101831494B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2014-229228 2014-11-11
JP2014229228A JP6522320B2 (ja) 2014-11-11 2014-11-11 方向切換弁

Publications (2)

Publication Number Publication Date
KR20160056284A KR20160056284A (ko) 2016-05-19
KR101831494B1 true KR101831494B1 (ko) 2018-02-22

Family

ID=55927526

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150156073A KR101831494B1 (ko) 2014-11-11 2015-11-06 방향 전환 밸브

Country Status (3)

Country Link
JP (1) JP6522320B2 (zh)
KR (1) KR101831494B1 (zh)
CN (1) CN105587702B (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6552829B2 (ja) * 2015-01-28 2019-07-31 ナブテスコ株式会社 方向切換弁
JP6773421B2 (ja) * 2016-02-08 2020-10-21 ナブテスコ株式会社 方向切換弁及び油圧システム
JP6755814B2 (ja) * 2017-02-09 2020-09-16 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
KR101121704B1 (ko) * 2004-07-07 2012-03-09 볼보 컨스트럭션 이큅먼트 에이비 재생기능을 구비하는 방향전환밸브

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5842803A (ja) * 1981-09-08 1983-03-12 Handoothe- Kogyo Kk コントロ−ルバルブとこれを使用した作業機の回路
JP3289852B2 (ja) * 1993-08-12 2002-06-10 株式会社小松製作所 流量応援用方向制御弁
EP0864761A4 (en) * 1996-08-08 2000-09-27 Hitachi Construction Machinery HYDRAULIC CONTROL DEVICE
JP2004138170A (ja) * 2002-10-18 2004-05-13 Nabco Ltd 方向切換弁
DE10336334B3 (de) * 2003-08-08 2005-08-04 Cnh Baumaschinen Gmbh Hydraulisches Steuersystem für Baumaschinenen, insbesondere für Bagger
JP4480565B2 (ja) * 2004-12-10 2010-06-16 株式会社クボタ バックホウの油圧回路構造
JP2006308073A (ja) * 2005-03-30 2006-11-09 Hitachi Constr Mach Co Ltd 建設機械の油圧駆動システム
JP2008115990A (ja) * 2006-11-07 2008-05-22 Hitachi Constr Mach Co Ltd 建設機械の油圧駆動装置
JP5461234B2 (ja) * 2010-02-26 2014-04-02 カヤバ工業株式会社 建設機械の制御装置
JP2012031753A (ja) * 2010-07-29 2012-02-16 Hitachi Constr Mach Co Ltd 建設機械の油圧駆動装置
JP2012162878A (ja) * 2011-02-04 2012-08-30 Hitachi Constr Mach Co Ltd 建設機械の油圧駆動装置
JP6200634B2 (ja) * 2012-06-28 2017-09-20 ナブテスコ株式会社 油圧制御弁

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101121704B1 (ko) * 2004-07-07 2012-03-09 볼보 컨스트럭션 이큅먼트 에이비 재생기능을 구비하는 방향전환밸브

Also Published As

Publication number Publication date
JP2016090033A (ja) 2016-05-23
CN105587702B (zh) 2018-05-25
KR20160056284A (ko) 2016-05-19
JP6522320B2 (ja) 2019-05-29
CN105587702A (zh) 2016-05-18

Similar Documents

Publication Publication Date Title
JP6773421B2 (ja) 方向切換弁及び油圧システム
KR102678535B1 (ko) 방향 전환 밸브 및 유압 시스템
WO2009154140A1 (ja) バケット平行移動機能を有する多連方向切換弁
JP6647826B2 (ja) 方向切換弁及び油圧システム
KR101831494B1 (ko) 방향 전환 밸브
JP2013249954A (ja) 油圧制御ブロック、油圧システム及び油圧制御ブロックを備えた建設機械
KR102652880B1 (ko) 유량 제어 밸브
US9181677B2 (en) Construction machine having hydraulic circuit
KR101790427B1 (ko) 방향 전환 밸브
JP4763365B2 (ja) ローダ用油圧制御装置
US10359057B2 (en) Valve device and fluid pressure control device
KR102500484B1 (ko) 방향 전환 밸브
JP4805027B2 (ja) ローダ用油圧制御装置
JP2007107607A (ja) 液圧回路
JP2007016484A (ja) ローダ用油圧制御装置
JP7026005B2 (ja) 流体圧制御装置
EP3009690A1 (en) Flow rate control valve for construction machine
JP6220680B2 (ja) 建設機械用油圧回路
KR20240036101A (ko) 유량 제어 밸브
JP2023144499A (ja) 方向制御弁
JPH0755030A (ja) 流量応援用方向制御弁

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right