EP3693614A4 - Véhicule de chantier - Google Patents

Véhicule de chantier Download PDF

Info

Publication number
EP3693614A4
EP3693614A4 EP18864823.2A EP18864823A EP3693614A4 EP 3693614 A4 EP3693614 A4 EP 3693614A4 EP 18864823 A EP18864823 A EP 18864823A EP 3693614 A4 EP3693614 A4 EP 3693614A4
Authority
EP
European Patent Office
Prior art keywords
work vehicle
vehicle
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.)
Granted
Application number
EP18864823.2A
Other languages
German (de)
English (en)
Other versions
EP3693614A1 (fr
EP3693614B1 (fr
Inventor
Hiroshi Matsuyama
Hidehiko KATSUKI
Kazuhiro Aoyama
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.)
Yanmar Power Technology Co Ltd
Original Assignee
Yanmar Power Technology 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 Yanmar Power Technology Co Ltd filed Critical Yanmar Power Technology Co Ltd
Publication of EP3693614A1 publication Critical patent/EP3693614A1/fr
Publication of EP3693614A4 publication Critical patent/EP3693614A4/fr
Application granted granted Critical
Publication of EP3693614B1 publication Critical patent/EP3693614B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2221Control of flow rate; Load sensing arrangements
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2221Control of flow rate; Load sensing arrangements
    • E02F9/2239Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
    • E02F9/2242Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance including an electronic controller
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2264Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2267Valves or distributors
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2278Hydraulic circuits
    • E02F9/2282Systems using center bypass type changeover valves
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2278Hydraulic circuits
    • E02F9/2292Systems with two or more pumps
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2278Hydraulic circuits
    • E02F9/2296Systems with a variable displacement pump
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/17Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205Systems with pumps
    • F15B2211/2053Type of pump
    • F15B2211/20546Type of pump variable capacity
    • F15B2211/20553Type of pump variable capacity with pilot circuit, e.g. for controlling a swash plate
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205Systems with pumps
    • F15B2211/20576Systems with pumps with multiple pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/305Directional control characterised by the type of valves
    • F15B2211/3056Assemblies of multiple valves
    • F15B2211/3059Assemblies of multiple valves having multiple valves for multiple output members
    • F15B2211/30595Assemblies of multiple valves having multiple valves for multiple output members with additional valves between the groups of valves for multiple output members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/32Directional control characterised by the type of actuation
    • F15B2211/329Directional control characterised by the type of actuation actuated by fluid pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/355Pilot pressure control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/605Load sensing circuits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/70Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71Multiple output members, e.g. multiple hydraulic motors or cylinders
    • F15B2211/7135Combinations of output members of different types, e.g. single-acting cylinders with rotary motors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/70Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71Multiple output members, e.g. multiple hydraulic motors or cylinders
    • F15B2211/7142Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being arranged in multiple groups

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
EP18864823.2A 2017-10-05 2018-09-04 Véhicule de chantier Active EP3693614B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017194799A JP6936687B2 (ja) 2017-10-05 2017-10-05 作業車両
PCT/JP2018/032788 WO2019069612A1 (fr) 2017-10-05 2018-09-04 Véhicule de chantier

Publications (3)

Publication Number Publication Date
EP3693614A1 EP3693614A1 (fr) 2020-08-12
EP3693614A4 true EP3693614A4 (fr) 2021-08-11
EP3693614B1 EP3693614B1 (fr) 2023-11-01

Family

ID=65994544

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18864823.2A Active EP3693614B1 (fr) 2017-10-05 2018-09-04 Véhicule de chantier

Country Status (5)

Country Link
EP (1) EP3693614B1 (fr)
JP (1) JP6936687B2 (fr)
KR (1) KR102667937B1 (fr)
AU (1) AU2018344665A1 (fr)
WO (1) WO2019069612A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7431006B2 (ja) * 2019-09-27 2024-02-14 ナブテスコ株式会社 油圧制御回路

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006082767A (ja) * 2004-09-17 2006-03-30 Hitachi Constr Mach Co Ltd 走行式建設機械の油圧駆動装置
JP2012021311A (ja) * 2010-07-14 2012-02-02 Hitachi Constr Mach Co Ltd 建設機械の油圧駆動装置

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH11303808A (ja) * 1998-02-20 1999-11-02 Komatsu Ltd 油圧駆動式作業車両の油圧システム
JP3774149B2 (ja) * 2000-01-25 2006-05-10 日立建機株式会社 油圧駆動装置
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
JP3931712B2 (ja) * 2002-03-22 2007-06-20 コベルコ建機株式会社 作業機械の走行制御装置
JP2004027706A (ja) * 2002-06-27 2004-01-29 Hitachi Constr Mach Co Ltd 建設機械の油圧回路装置
JP3917068B2 (ja) * 2002-12-18 2007-05-23 カヤバ工業株式会社 液圧駆動装置
JP2005299376A (ja) * 2004-03-18 2005-10-27 Kobelco Contstruction Machinery Ltd 油圧ショベルの油圧制御回路
JP2006306200A (ja) * 2005-04-27 2006-11-09 Shin Caterpillar Mitsubishi Ltd 作業機械における走行駆動装置
JP2006329248A (ja) * 2005-05-24 2006-12-07 Kobelco Contstruction Machinery Ltd 作業機械の油圧供給装置
JP2006329341A (ja) 2005-05-26 2006-12-07 Kobelco Contstruction Machinery Ltd 作業機械の油圧制御装置
JP4949345B2 (ja) * 2008-09-25 2012-06-06 住友建機株式会社 油圧ポンプ制御装置
JP5297136B2 (ja) * 2008-10-02 2013-09-25 株式会社アイチコーポレーション 高所作業車
JP5419572B2 (ja) * 2009-07-10 2014-02-19 カヤバ工業株式会社 ハイブリッド建設機械の制御装置
JP5369030B2 (ja) * 2010-03-18 2013-12-18 ヤンマー株式会社 作業車両の油圧回路
JP2011196436A (ja) 2010-03-18 2011-10-06 Yanmar Co Ltd 作業車両の油圧回路
JP5406087B2 (ja) * 2010-03-18 2014-02-05 ヤンマー株式会社 作業車両の油圧回路
KR20140034808A (ko) * 2011-06-09 2014-03-20 볼보 컨스트럭션 이큅먼트 에이비 건설기계용 유압시스템
CN105008724B (zh) * 2013-05-30 2017-03-08 日立建机株式会社 工程机械的液压驱动装置
JP6282523B2 (ja) * 2014-05-09 2018-02-21 住友重機械工業株式会社 作業機械
JP6242312B2 (ja) * 2014-09-02 2017-12-06 株式会社日立建機ティエラ 建設機械の油圧システム

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006082767A (ja) * 2004-09-17 2006-03-30 Hitachi Constr Mach Co Ltd 走行式建設機械の油圧駆動装置
JP2012021311A (ja) * 2010-07-14 2012-02-02 Hitachi Constr Mach Co Ltd 建設機械の油圧駆動装置

Also Published As

Publication number Publication date
AU2018344665A1 (en) 2020-04-23
JP6936687B2 (ja) 2021-09-22
EP3693614A1 (fr) 2020-08-12
JP2019066018A (ja) 2019-04-25
KR20200061332A (ko) 2020-06-02
EP3693614B1 (fr) 2023-11-01
KR102667937B1 (ko) 2024-05-21
WO2019069612A1 (fr) 2019-04-11

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