CN1184519A - 液压驱动式作业车辆的液压回路 - Google Patents

液压驱动式作业车辆的液压回路 Download PDF

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Publication number
CN1184519A
CN1184519A CN96193953A CN96193953A CN1184519A CN 1184519 A CN1184519 A CN 1184519A CN 96193953 A CN96193953 A CN 96193953A CN 96193953 A CN96193953 A CN 96193953A CN 1184519 A CN1184519 A CN 1184519A
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CN
China
Prior art keywords
pressure
valve
driving
circuit
hydraulic
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.)
Pending
Application number
CN96193953A
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English (en)
Chinese (zh)
Inventor
林盛太
布谷贞夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Komatsu Ltd
Original Assignee
Komatsu 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 Komatsu Ltd filed Critical Komatsu Ltd
Publication of CN1184519A publication Critical patent/CN1184519A/zh
Pending legal-status Critical Current

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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
    • 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

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)
CN96193953A 1995-05-17 1996-05-15 液压驱动式作业车辆的液压回路 Pending CN1184519A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP118312/95 1995-05-17
JP11831295 1995-05-17

Publications (1)

Publication Number Publication Date
CN1184519A true CN1184519A (zh) 1998-06-10

Family

ID=14733569

Family Applications (1)

Application Number Title Priority Date Filing Date
CN96193953A Pending CN1184519A (zh) 1995-05-17 1996-05-15 液压驱动式作业车辆的液压回路

Country Status (6)

Country Link
US (1) US5946910A (enExample)
EP (1) EP0879921B1 (enExample)
KR (1) KR100241862B1 (enExample)
CN (1) CN1184519A (enExample)
DE (1) DE69620463T2 (enExample)
WO (1) WO1996036776A1 (enExample)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100419311C (zh) * 2002-12-27 2008-09-17 日立建机株式会社 液压驱动的车辆
CN101535109B (zh) * 2006-12-04 2012-10-17 日立建机株式会社 作业车辆的行驶驱动装置、作业车辆及行驶驱动方法
CN105637230A (zh) * 2013-10-31 2016-06-01 川崎重工业株式会社 建筑机械的油压驱动系统
CN107850094A (zh) * 2016-08-26 2018-03-27 株式会社小松制作所 控制系统、作业机械及控制方法
CN109538557A (zh) * 2018-12-10 2019-03-29 中联重科股份有限公司 用于起重机的伸缩油缸的控制系统、方法及起重机
CN114258462A (zh) * 2019-08-26 2022-03-29 日立建机株式会社 工程机械

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6145287A (en) * 1998-03-05 2000-11-14 Sauer Inc. Hydrostatic circuit for harvesting machine
JP3791817B2 (ja) * 1998-06-11 2006-06-28 株式会社小松製作所 油圧駆動式作業車両の走行応援油圧回路
KR20000012334A (ko) * 1999-11-26 2000-03-06 손동철 적외선을 이용한 휴대폰간의 코드일치 부가서비스를 위한데이터 통신 방법 및 장치
JP4137431B2 (ja) * 2001-11-09 2008-08-20 ナブテスコ株式会社 油圧回路
SE521188C2 (sv) * 2002-02-11 2003-10-07 Kalmar Ind Sverige Ab Hydraulsystem för ett fordon, fordon innefattande ett sådant hydraulsystem samt en tilläggsenhet för ett sådant fordon
US7181322B2 (en) * 2002-05-20 2007-02-20 B.L. Usa Inc. Ammunition loading vehicle and method
US7320216B2 (en) * 2005-10-31 2008-01-22 Caterpillar Inc. Hydraulic system having pressure compensated bypass
DE102007019156A1 (de) * 2007-04-20 2008-10-23 Deutz Ag Hybridantriebsstrang
JP2008279834A (ja) * 2007-05-09 2008-11-20 Komatsu Ltd 油圧駆動車両
ATE497064T1 (de) * 2007-11-29 2011-02-15 Caterpillar Inc Verfahren zum betrieb einer maschine, die mit einem hydraulischen arbeitsarmsystem ausgestattet ist und maschine ausgestattet mit einem hydraulischen arbeitsarmsystem mit auflademöglichkeit.
US8002073B2 (en) * 2008-04-22 2011-08-23 Kanzaki Kokyukoki Mfg. Co., Ltd. Hydraulic drive working vehicle
US7967099B2 (en) * 2008-06-19 2011-06-28 Caterpillar Paving Products Inc. Method and arrangement of a plurality of propel pumps in a hydrostatically driven compactor
US8002069B2 (en) * 2009-11-17 2011-08-23 Cnh America Llc Work machine including hydrostatic ground drive which automatically provides increased propulsion torque when the mechanical transmission is in a high gear
EP2564072B1 (en) 2010-04-30 2016-03-23 Eaton Corporation Multiple fluid pump combination circuit
EP2466017A1 (en) 2010-12-14 2012-06-20 Caterpillar, Inc. Closed loop drive circuit with open circuit pump assist for high speed travel
EP2466018B1 (en) 2010-12-17 2019-11-13 Caterpillar Inc. Closed loop drive circuit with external brake assist
US9394924B2 (en) 2011-02-07 2016-07-19 Caterpillar Inc. Hydrostatic system configured to be integrated in an excavator
EP2751433B1 (en) 2011-07-01 2018-03-21 Eaton Corporation Hydraulic systems utilizing combination open-and closed-loop pump systems
CN102518171B (zh) * 2011-12-31 2014-08-13 中外合资沃得重工（中国）有限公司 具有合流加速功能的挖掘机铲斗液压系统
CN104903595B (zh) * 2013-01-08 2017-03-08 日立建机株式会社 工作机械的液压系统
EP3114373B1 (en) 2014-03-03 2018-01-31 CNH Industrial Italia S.p.A. Compact wheel loader
GB2531767A (en) * 2014-10-29 2016-05-04 Bamford Excavators Ltd Working Machine
JP6606103B2 (ja) * 2015-01-06 2019-11-13 住友重機械工業株式会社 建設機械
US10119556B2 (en) * 2015-12-07 2018-11-06 Caterpillar Inc. System having combinable transmission and implement circuits
CN107683368B (zh) * 2017-04-24 2021-03-16 株式会社小松制作所 控制系统和作业机械
JP7197433B2 (ja) 2019-06-11 2022-12-27 株式会社小松製作所 作業車両の制御装置、作業車両、および作業車両の制御方法
US20230272599A1 (en) * 2022-02-28 2023-08-31 Caterpillar Inc. Work machine safety zone control

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2039123A1 (enExample) * 1969-12-19 1971-01-15 Poclain Sa
DE2138986C3 (de) * 1971-08-04 1978-09-07 G.L. Rexroth Gmbh, 8770 Lohr Steuerventileinrichtung für mehrere hydraulische Antriebe
US3916625A (en) * 1974-09-23 1975-11-04 Clark Equipment Co Hydrostatic propulsion system
AU530294B2 (en) * 1978-12-25 1983-07-07 K.K. Komatsu Seisakusho Vehicle priority demand circuit
JPS56139319A (en) * 1980-03-28 1981-10-30 Komatsu Ltd Liquid pressure circuit for construction machine
JPS57208349A (en) * 1981-06-15 1982-12-21 Hitachi Constr Mach Co Ltd Hydraulic driving circuit
JPS60233235A (ja) * 1984-05-04 1985-11-19 Toshiba Mach Co Ltd 自走式油圧機械の油圧制御回路
JPS62206126A (ja) * 1986-03-06 1987-09-10 Hitachi Constr Mach Co Ltd 土木建設機械の油圧駆動装置
JPH0291328A (ja) * 1988-09-28 1990-03-30 Hitachi Constr Mach Co Ltd 自走式作業機の油圧回路
JPH07116721B2 (ja) * 1989-01-31 1995-12-13 油谷重工株式会社 油圧ショベルの油圧回路
JPH02236002A (ja) * 1989-03-08 1990-09-18 Kubota Ltd 作業車の昇降用油圧回路
JP3066050B2 (ja) * 1990-04-05 2000-07-17 東芝機械株式会社 油圧作業回路
DE4100988C2 (de) * 1991-01-15 2001-05-10 Linde Ag Hydraulisches Antriebssystem
JPH05106245A (ja) * 1991-10-15 1993-04-27 Hitachi Constr Mach Co Ltd Ｈｓｔ油圧走行装置を備えた作業車両
JP2776702B2 (ja) * 1992-09-18 1998-07-16 新キャタピラー三菱株式会社 建設機械の油圧回路
JPH06123302A (ja) * 1992-10-08 1994-05-06 Kayaba Ind Co Ltd 建設機械の油圧制御装置
JP3013225B2 (ja) * 1995-01-11 2000-02-28 新キャタピラー三菱株式会社 吊り作業制御装置

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100419311C (zh) * 2002-12-27 2008-09-17 日立建机株式会社 液压驱动的车辆
CN101535109B (zh) * 2006-12-04 2012-10-17 日立建机株式会社 作业车辆的行驶驱动装置、作业车辆及行驶驱动方法
CN105637230A (zh) * 2013-10-31 2016-06-01 川崎重工业株式会社 建筑机械的油压驱动系统
CN107850094A (zh) * 2016-08-26 2018-03-27 株式会社小松制作所 控制系统、作业机械及控制方法
CN107850094B (zh) * 2016-08-26 2019-08-30 株式会社小松制作所 控制系统、作业机械及控制方法
CN109538557A (zh) * 2018-12-10 2019-03-29 中联重科股份有限公司 用于起重机的伸缩油缸的控制系统、方法及起重机
CN109538557B (zh) * 2018-12-10 2020-09-29 中联重科股份有限公司 用于起重机的伸缩油缸的控制系统、方法及起重机
CN114258462A (zh) * 2019-08-26 2022-03-29 日立建机株式会社 工程机械
CN114258462B (zh) * 2019-08-26 2024-01-05 日立建机株式会社 工程机械

Also Published As

Publication number Publication date
DE69620463D1 (de) 2002-05-08
EP0879921A1 (en) 1998-11-25
EP0879921A4 (enExample) 1998-11-25
EP0879921B1 (en) 2002-04-03
WO1996036776A1 (fr) 1996-11-21
KR100241862B1 (ko) 2000-02-01
DE69620463T2 (de) 2002-10-31
KR19990014839A (ko) 1999-02-25
US5946910A (en) 1999-09-07

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