ATE377676T1 - Hydraulische steuervorrichtung für hydraulikbagger - Google Patents
Hydraulische steuervorrichtung für hydraulikbaggerInfo
- Publication number
- ATE377676T1 ATE377676T1 AT05102015T AT05102015T ATE377676T1 AT E377676 T1 ATE377676 T1 AT E377676T1 AT 05102015 T AT05102015 T AT 05102015T AT 05102015 T AT05102015 T AT 05102015T AT E377676 T1 ATE377676 T1 AT E377676T1
- Authority
- AT
- Austria
- Prior art keywords
- confluence
- hydraulic
- control valve
- arm
- switching
- Prior art date
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
- E02F9/2221—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
- E02F9/2285—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
-
- 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
- E02F9/2296—Systems with a variable displacement pump
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)
- Excavating Of Shafts Or Tunnels (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004078841 | 2004-03-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE377676T1 true ATE377676T1 (de) | 2007-11-15 |
Family
ID=34836578
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT05102015T ATE377676T1 (de) | 2004-03-18 | 2005-03-15 | Hydraulische steuervorrichtung für hydraulikbagger |
Country Status (4)
Country | Link |
---|---|
US (1) | US7178333B2 (de) |
EP (1) | EP1577447B1 (de) |
AT (1) | ATE377676T1 (de) |
DE (1) | DE602005003151T2 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7178333B2 (en) | 2004-03-18 | 2007-02-20 | Kobelco Construction Machinery Co., Ltd. | Hydraulic control system for hydraulic excavator |
JP4655795B2 (ja) * | 2005-07-15 | 2011-03-23 | コベルコ建機株式会社 | 油圧ショベルの油圧制御装置 |
JP4232784B2 (ja) * | 2006-01-20 | 2009-03-04 | コベルコ建機株式会社 | 作業機械の油圧制御装置 |
JP4353190B2 (ja) * | 2006-02-27 | 2009-10-28 | コベルコ建機株式会社 | 建設機械の油圧回路 |
GB2449199B (en) * | 2006-05-15 | 2011-03-02 | Komatsu Mfg Co Ltd | Hydraulic traveling vehicle |
KR100753990B1 (ko) * | 2006-08-29 | 2007-08-31 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 주행직진용 유압회로 |
KR100900436B1 (ko) * | 2007-05-21 | 2009-06-01 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 무한궤도형 중장비의 주행장치 |
US8167089B2 (en) * | 2008-01-15 | 2012-05-01 | Bennu Parts And Service, Inc. | Liftable scaffold |
JP4953325B2 (ja) * | 2009-03-12 | 2012-06-13 | キャタピラー エス エー アール エル | 作業機械 |
CN101899850B (zh) * | 2010-07-29 | 2012-07-18 | 三一重机有限公司 | 一种降低挖掘机启动负载的控制方法及装置 |
CN102140807B (zh) * | 2011-01-11 | 2012-05-23 | 徐州徐工挖掘机械有限公司 | 一种提高挖掘机挖掘操纵特性和平整作业特性的方法 |
CN102140808B (zh) * | 2011-01-11 | 2012-05-23 | 徐州徐工挖掘机械有限公司 | 一种提高挖掘机挖掘操纵特性和平整作业特性的装置 |
US8869924B2 (en) * | 2011-05-11 | 2014-10-28 | Volvo Construction Equipment Ab | Hybrid excavator including a fast-stopping apparatus for a hybrid actuator |
US20140238010A1 (en) * | 2011-10-07 | 2014-08-28 | Volvo Construction Equipment Ab | Control system for operating work device for construction machine |
JP5805581B2 (ja) * | 2012-04-23 | 2015-11-04 | 住友建機株式会社 | 建設機械の油圧回路及びその油圧制御装置 |
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 |
JP5778086B2 (ja) * | 2012-06-15 | 2015-09-16 | 住友建機株式会社 | 建設機械の油圧回路及びその制御装置 |
JP6196499B2 (ja) * | 2013-08-20 | 2017-09-13 | ナブテスコ株式会社 | 建設機械の多連方向切換弁 |
KR102128630B1 (ko) * | 2014-03-24 | 2020-06-30 | 두산인프라코어 주식회사 | 유압시스템에서 스윙 모터의 제어방법 및 유압시스템 |
WO2016175352A1 (ko) * | 2015-04-29 | 2016-11-03 | 볼보 컨스트럭션 이큅먼트 에이비 | 건설기계의 유량 제어장치 및 제어방법 |
DE102016003972A1 (de) * | 2016-04-01 | 2017-10-05 | Hydac System Gmbh | Steuervorrichtung |
JP6575916B2 (ja) * | 2016-08-17 | 2019-09-18 | 日立建機株式会社 | 作業車両 |
CN106640820A (zh) * | 2017-01-22 | 2017-05-10 | 山东常林机械集团股份有限公司 | 多路控制阀 |
EP3707389B1 (de) | 2017-11-08 | 2024-04-24 | Volvo Construction Equipment AB | Hydraulikkreislauf |
US10677269B2 (en) | 2018-08-30 | 2020-06-09 | Jack K. Lippett | Hydraulic system combining two or more hydraulic functions |
JP7165016B2 (ja) | 2018-10-02 | 2022-11-02 | 川崎重工業株式会社 | 油圧ショベル駆動システム |
CN110230334A (zh) * | 2019-06-11 | 2019-09-13 | 徐州徐工挖掘机械有限公司 | 一种液压挖掘机智能平地装置及其控制方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2090383B (en) * | 1980-12-26 | 1984-08-30 | Kubota Ltd | Hydrostatic transmission for a tracked vehicle |
JPH0791846B2 (ja) * | 1988-12-19 | 1995-10-09 | 株式会社小松製作所 | 油圧パワーショベルのサービス弁回路 |
JP2697473B2 (ja) * | 1992-03-31 | 1998-01-14 | 油谷重工株式会社 | 建設機械の合流装置 |
JP3425844B2 (ja) | 1996-09-30 | 2003-07-14 | コベルコ建機株式会社 | 油圧ショベル |
JP4111286B2 (ja) * | 1998-06-30 | 2008-07-02 | コベルコ建機株式会社 | 建設機械の走行制御方法及び同装置 |
JP3491600B2 (ja) | 2000-04-13 | 2004-01-26 | コベルコ建機株式会社 | 建設機械の油圧制御回路 |
JP3614121B2 (ja) * | 2001-08-22 | 2005-01-26 | コベルコ建機株式会社 | 建設機械の油圧装置 |
US7178333B2 (en) | 2004-03-18 | 2007-02-20 | Kobelco Construction Machinery Co., Ltd. | Hydraulic control system for hydraulic excavator |
-
2005
- 2005-03-14 US US11/078,317 patent/US7178333B2/en not_active Expired - Fee Related
- 2005-03-15 AT AT05102015T patent/ATE377676T1/de not_active IP Right Cessation
- 2005-03-15 DE DE602005003151T patent/DE602005003151T2/de active Active
- 2005-03-15 EP EP05102015A patent/EP1577447B1/de not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
DE602005003151T2 (de) | 2008-08-28 |
EP1577447B1 (de) | 2007-11-07 |
DE602005003151D1 (de) | 2007-12-20 |
US20050204734A1 (en) | 2005-09-22 |
US7178333B2 (en) | 2007-02-20 |
EP1577447A1 (de) | 2005-09-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |