EP1726723A3 - Engin de travaux publics - Google Patents

Engin de travaux publics Download PDF

Info

Publication number
EP1726723A3
EP1726723A3 EP06113452A EP06113452A EP1726723A3 EP 1726723 A3 EP1726723 A3 EP 1726723A3 EP 06113452 A EP06113452 A EP 06113452A EP 06113452 A EP06113452 A EP 06113452A EP 1726723 A3 EP1726723 A3 EP 1726723A3
Authority
EP
European Patent Office
Prior art keywords
travelling
communication path
pressure
working
during
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.)
Granted
Application number
EP06113452A
Other languages
German (de)
English (en)
Other versions
EP1726723B1 (fr
EP1726723A2 (fr
Inventor
Yutaka Toji
Yoichiro Yamazaki
Hidekazu Oka
Koji Ueda
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.)
Kobelco Construction Machinery Co Ltd
Original Assignee
Kobelco Construction Machinery Co 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 Kobelco Construction Machinery Co Ltd filed Critical Kobelco Construction Machinery Co Ltd
Publication of EP1726723A2 publication Critical patent/EP1726723A2/fr
Publication of EP1726723A3 publication Critical patent/EP1726723A3/fr
Application granted granted Critical
Publication of EP1726723B1 publication Critical patent/EP1726723B1/fr
Anticipated expiration legal-status Critical
Not-in-force legal-status Critical Current

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
    • E02F9/2242—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance 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
    • E02F9/2253—Controlling the travelling speed of vehicles, e.g. adjusting travelling speed according to implement loads, control of hydrostatic transmission
    • 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)
  • Soil Working Implements (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
EP06113452A 2005-05-26 2006-05-03 Engin de travaux publics Not-in-force EP1726723B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005154632A JP2006329341A (ja) 2005-05-26 2005-05-26 作業機械の油圧制御装置

Publications (3)

Publication Number Publication Date
EP1726723A2 EP1726723A2 (fr) 2006-11-29
EP1726723A3 true EP1726723A3 (fr) 2007-01-31
EP1726723B1 EP1726723B1 (fr) 2008-07-16

Family

ID=36888907

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06113452A Not-in-force EP1726723B1 (fr) 2005-05-26 2006-05-03 Engin de travaux publics

Country Status (6)

Country Link
US (1) US20060265915A1 (fr)
EP (1) EP1726723B1 (fr)
JP (1) JP2006329341A (fr)
CN (1) CN1869344A (fr)
AT (1) ATE401464T1 (fr)
DE (1) DE602006001783D1 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006329248A (ja) * 2005-05-24 2006-12-07 Kobelco Contstruction Machinery Ltd 作業機械の油圧供給装置
US7559197B2 (en) * 2005-08-31 2009-07-14 Caterpillar Inc. Combiner valve control system and method
JP4380643B2 (ja) * 2006-02-20 2009-12-09 コベルコ建機株式会社 作業機械の油圧制御装置
EP3133211B1 (fr) * 2014-04-15 2020-08-19 Volvo Construction Equipment AB Dispositif de commande d'entraînement pour un engin de chantier
JP6282528B2 (ja) * 2014-05-20 2018-02-21 住友建機株式会社 建設機械
KR101844170B1 (ko) * 2014-12-16 2018-03-30 케이와이비 가부시키가이샤 건설 기계의 유체압 제어 장치
JP6936687B2 (ja) 2017-10-05 2021-09-22 ヤンマーパワーテクノロジー株式会社 作業車両
JP7141974B2 (ja) * 2019-03-25 2022-09-26 日立建機株式会社 ホイールローダ
JP7342437B2 (ja) * 2019-06-10 2023-09-12 コベルコ建機株式会社 作業機械
JP7268504B2 (ja) * 2019-06-28 2023-05-08 コベルコ建機株式会社 油圧制御装置
JP7342456B2 (ja) 2019-06-28 2023-09-12 コベルコ建機株式会社 油圧制御装置
US12352011B2 (en) * 2020-08-15 2025-07-08 Kubota Corporation Working machine
CN115823051B (zh) * 2022-12-07 2026-02-10 江苏汇智高端工程机械创新中心有限公司 一种直线行走系统及全电控直线行走阀
JP2025080831A (ja) * 2023-11-15 2025-05-27 キャタピラー エス エー アール エル 建設機械の油圧回路
WO2025178232A1 (fr) * 2024-02-21 2025-08-28 볼보 컨스트럭션 이큅먼트 에이비 Système hydraulique pour engin de chantier

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0393195A1 (fr) * 1988-06-17 1990-10-24 Kabushiki Kaisha Kobe Seiko Sho Mecanisme de commande de fluide pour pelles mecaniques
EP0407231A1 (fr) * 1989-07-07 1991-01-09 KABUSHIKI KAISHA KOBE SEIKO SHO also known as Kobe Steel Ltd. Circuit hydraulique de commande d'une pompe pour un engin de terressement
EP0722018A1 (fr) * 1995-01-11 1996-07-17 Shin Caterpillar Mitsubishi Ltd. Dispositif pour la commande des opérations de travail et de déplacement d'un engin de chantier
JP2000017693A (ja) * 1998-06-30 2000-01-18 Yutani Heavy Ind Ltd 建設機械の走行制御方法及び同装置
EP1146175A1 (fr) * 2000-04-13 2001-10-17 Kobelco Construction Machinery Co., Ltd. Machine de construction avec opérations de rotation et traction de bras simultanées

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960021784A (ko) * 1994-12-28 1996-07-18 김무 중장비의 직진주행장치
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0393195A1 (fr) * 1988-06-17 1990-10-24 Kabushiki Kaisha Kobe Seiko Sho Mecanisme de commande de fluide pour pelles mecaniques
EP0407231A1 (fr) * 1989-07-07 1991-01-09 KABUSHIKI KAISHA KOBE SEIKO SHO also known as Kobe Steel Ltd. Circuit hydraulique de commande d'une pompe pour un engin de terressement
EP0722018A1 (fr) * 1995-01-11 1996-07-17 Shin Caterpillar Mitsubishi Ltd. Dispositif pour la commande des opérations de travail et de déplacement d'un engin de chantier
JP2000017693A (ja) * 1998-06-30 2000-01-18 Yutani Heavy Ind Ltd 建設機械の走行制御方法及び同装置
US6148548A (en) * 1998-06-30 2000-11-21 Kabushiki Kaisha Kobe Seiko Sho Construction machine
EP1146175A1 (fr) * 2000-04-13 2001-10-17 Kobelco Construction Machinery Co., Ltd. Machine de construction avec opérations de rotation et traction de bras simultanées

Also Published As

Publication number Publication date
EP1726723B1 (fr) 2008-07-16
ATE401464T1 (de) 2008-08-15
CN1869344A (zh) 2006-11-29
DE602006001783D1 (de) 2008-08-28
JP2006329341A (ja) 2006-12-07
US20060265915A1 (en) 2006-11-30
EP1726723A2 (fr) 2006-11-29

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