DE69620378T2 - Hydraulisches Steuerungssystem für hydraulische Arbeitsmaschine - Google Patents
Hydraulisches Steuerungssystem für hydraulische ArbeitsmaschineInfo
- Publication number
- DE69620378T2 DE69620378T2 DE69620378T DE69620378T DE69620378T2 DE 69620378 T2 DE69620378 T2 DE 69620378T2 DE 69620378 T DE69620378 T DE 69620378T DE 69620378 T DE69620378 T DE 69620378T DE 69620378 T2 DE69620378 T2 DE 69620378T2
- Authority
- DE
- Germany
- Prior art keywords
- hydraulic
- control system
- work machine
- hydraulic control
- hydraulic work
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
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
- E02F9/2285—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
-
- 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
- E02F9/2225—Control of flow rate; Load sensing arrangements using pressure-compensating valves
- E02F9/2228—Control of flow rate; Load sensing arrangements using pressure-compensating valves 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
- E02F9/2282—Systems using center bypass type changeover valves
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP33905195A JP3606976B2 (ja) | 1995-12-26 | 1995-12-26 | 油圧作業機の油圧制御システム |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69620378D1 DE69620378D1 (de) | 2002-05-08 |
DE69620378T2 true DE69620378T2 (de) | 2002-10-24 |
Family
ID=18323799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69620378T Expired - Lifetime DE69620378T2 (de) | 1995-12-26 | 1996-12-27 | Hydraulisches Steuerungssystem für hydraulische Arbeitsmaschine |
Country Status (6)
Country | Link |
---|---|
US (1) | US5813311A (de) |
EP (1) | EP0785313B1 (de) |
JP (1) | JP3606976B2 (de) |
KR (1) | KR100215555B1 (de) |
CN (1) | CN1064428C (de) |
DE (1) | DE69620378T2 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100464761B1 (ko) * | 1997-11-29 | 2005-04-06 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 중장비용 유압장치 |
DE19828963A1 (de) * | 1998-06-29 | 1999-12-30 | Mannesmann Rexroth Ag | Hydraulische Schaltung |
JP3545626B2 (ja) * | 1999-02-04 | 2004-07-21 | 新キャタピラー三菱株式会社 | 作動油の供給制御装置 |
US20030121258A1 (en) * | 2001-12-28 | 2003-07-03 | Kazunori Yoshino | Hydraulic control system for reducing motor cavitation |
US6773223B2 (en) | 2002-05-17 | 2004-08-10 | New Holland North America, Inc. | Hydraulic attachment latch mechanism for skid steer loader |
KR100559291B1 (ko) * | 2003-06-25 | 2006-03-15 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 중장비 옵션장치용 유압회로 |
JP5066987B2 (ja) * | 2007-04-10 | 2012-11-07 | コベルコ建機株式会社 | 油圧ショベルの油圧制御装置 |
JP4783393B2 (ja) * | 2008-04-15 | 2011-09-28 | 住友建機株式会社 | 建設機械の油圧制御装置 |
JP5079827B2 (ja) * | 2010-02-10 | 2012-11-21 | 日立建機株式会社 | 油圧ショベルの油圧駆動装置 |
KR20140022021A (ko) * | 2011-03-17 | 2014-02-21 | 파커-한니핀 코포레이션 | 여러 기능부를 제어하는 전기 유압 시스템 |
CN103827490B (zh) * | 2012-05-18 | 2016-01-13 | 株式会社斗山 | 油压控制系统 |
CN102943499A (zh) * | 2012-11-16 | 2013-02-27 | 无锡汇虹机械制造有限公司 | 一种中小型挖掘机负载敏感系统节能方法 |
WO2016002850A1 (ja) | 2014-07-03 | 2016-01-07 | 住友重機械工業株式会社 | ショベル及びショベルの制御方法 |
EP3255285B1 (de) * | 2015-01-08 | 2020-11-11 | Volvo Construction Equipment AB | Antriebssteuerungsverfahren für hydraulischen aktuator einer baumaschine |
CN105465079B (zh) * | 2015-12-29 | 2016-12-28 | 博创智能装备股份有限公司 | 一种刹车控制油路 |
JP6706121B2 (ja) * | 2016-03-30 | 2020-06-03 | 株式会社フジキン | 圧力制御装置および圧力制御システム |
JP7184672B2 (ja) * | 2019-02-27 | 2022-12-06 | 株式会社タダノ | 作業車両 |
WO2020189757A1 (ja) * | 2019-03-19 | 2020-09-24 | 住友建機株式会社 | ショベル |
CN113550374B (zh) * | 2021-06-30 | 2022-08-12 | 徐州徐工挖掘机械有限公司 | 挖掘机作业的流量控制方法及提高动臂提升速度的方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3349670A (en) * | 1965-12-20 | 1967-10-31 | Deere & Co | Hydraulic control valve |
US3592216A (en) * | 1968-09-06 | 1971-07-13 | Borg Warner | Flow control valve |
US4385674A (en) * | 1980-12-17 | 1983-05-31 | Presley Glen T | Load sensing power steering system |
EP0235545B1 (de) * | 1986-01-25 | 1990-09-12 | Hitachi Construction Machinery Co., Ltd. | Hydraulisches Antriebssystem |
IN171213B (de) * | 1988-01-27 | 1992-08-15 | Hitachi Construction Machinery | |
EP0379595B1 (de) * | 1988-07-08 | 1993-09-29 | Hitachi Construction Machinery Co., Ltd. | Hydrodynamische antriebsvorrichtung |
JPH07103883B2 (ja) * | 1989-04-17 | 1995-11-08 | 日立建機株式会社 | ロードセンシング油圧駆動回路の制御装置 |
US4977928A (en) * | 1990-05-07 | 1990-12-18 | Caterpillar Inc. | Load sensing hydraulic system |
DE69132869T2 (de) * | 1990-09-11 | 2002-04-25 | Hitachi Construction Machinery | Hydraulisches Steuersystem für Baumaschinen |
JPH05332320A (ja) * | 1992-06-02 | 1993-12-14 | Hitachi Constr Mach Co Ltd | 油圧作業機の油圧回路および弁構造 |
JP3097973B2 (ja) * | 1992-06-26 | 2000-10-10 | 日立建機株式会社 | 油圧作業機の油圧回路 |
KR940703973A (ko) * | 1992-10-29 | 1994-12-12 | 오까다 하지메 | 유압제어밸브장치 및 유압구동장치 |
JP3552735B2 (ja) * | 1993-08-23 | 2004-08-11 | カヤバ工業株式会社 | 建設機械の油圧回路 |
JP3477687B2 (ja) * | 1993-11-08 | 2003-12-10 | 日立建機株式会社 | 流量制御装置 |
KR950019256A (ko) * | 1993-12-30 | 1995-07-22 | 김무 | 스윙 가변 우선이 가능한 중장비용 유압회로 |
-
1995
- 1995-12-26 JP JP33905195A patent/JP3606976B2/ja not_active Expired - Fee Related
-
1996
- 1996-12-20 US US08/771,158 patent/US5813311A/en not_active Expired - Lifetime
- 1996-12-23 CN CN96117914A patent/CN1064428C/zh not_active Expired - Fee Related
- 1996-12-24 KR KR1019960070857A patent/KR100215555B1/ko not_active IP Right Cessation
- 1996-12-27 EP EP96120912A patent/EP0785313B1/de not_active Expired - Lifetime
- 1996-12-27 DE DE69620378T patent/DE69620378T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0785313A1 (de) | 1997-07-23 |
CN1161394A (zh) | 1997-10-08 |
JPH09177136A (ja) | 1997-07-08 |
CN1064428C (zh) | 2001-04-11 |
EP0785313B1 (de) | 2002-04-03 |
KR970043642A (ko) | 1997-07-26 |
JP3606976B2 (ja) | 2005-01-05 |
KR100215555B1 (ko) | 1999-08-16 |
US5813311A (en) | 1998-09-29 |
DE69620378D1 (de) | 2002-05-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69618385D1 (de) | Baggersteuersystem mit Arbeitsbereichbegrenzung für Baumaschinen | |
DE69132869D1 (de) | Hydraulisches Steuersystem für Baumaschinen | |
DE69620378T2 (de) | Hydraulisches Steuerungssystem für hydraulische Arbeitsmaschine | |
DE69631028D1 (de) | Arbeitsbereich-Begrenzungssystem für eine Baumaschine. | |
DE69705548D1 (de) | Hydraulisches Betätigungssystem für Baumaschinen | |
NO972651L (no) | Styresystem for emballeringsmaskin | |
DE69400294T2 (de) | Hydraulische Steuereinrichtung für Baumaschinen | |
DE69220293D1 (de) | Hydraulisches steuerungssystem für hydraulische erdbaumaschine | |
DE69213880D1 (de) | Hydraulisches steuerungssystem für baumaschine | |
DE69802144D1 (de) | Hydraulisches Betätigungssystem für Baumaschinen | |
DE69720382D1 (de) | Hydraulischer Schaltkreis für hydraulische Arbeitsmaschine | |
DE69826750D1 (de) | Hydraulisches Steuersystem für eine Baumaschine | |
DE69420491T2 (de) | Hydraulische steuerungsvorrichtung für baumaschinen | |
DE69510445D1 (de) | Hydraulisches steuersystem für arbeitsfahrzeuge | |
DE69115763D1 (de) | Hydraulisches Antriebssystem für Baumaschinen | |
DE69615993D1 (de) | Konstruktionsverfahren für ausbauarbeiten | |
DE59600462D1 (de) | Steuerungsverfahren für Extrudiermaschinen | |
DE69123967D1 (de) | Hydraulisches antriebssystem für baumaschinen | |
DE69635818D1 (de) | Diebstahlgesichertes Ansteuerungssystem für hydraulisch betriebene Maschinen | |
DE59601176D1 (de) | Stirnseitenmitnehmer für Werkzeugmaschinen | |
DE29620391U1 (de) | Hydrauliksteuerung für Biegemaschinen | |
DE59808363D1 (de) | Steuervorrichtung für hydraulische arbeitszylinder | |
DE69635839D1 (de) | Ansteuervorrichtung für arbeitsfahrzeug | |
DE69818429D1 (de) | Kontrollsystem für eine wälzkolbenmaschine | |
DE29515891U1 (de) | Hydrauliksteuerung für leistungsstarke Großbaumaschinen |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |