EP2781661A3 - Fahrsteuerungsvorrichtung für Arbeitsfahrzeug mit Rädern - Google Patents

Fahrsteuerungsvorrichtung für Arbeitsfahrzeug mit Rädern Download PDF

Info

Publication number: EP2781661A3
Authority: EP; European Patent Office
Prior art keywords: traveling; work; operation member; control valve; operated
Prior art date: 2013-03-22
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

EP14161061.8A

Other languages

English (en)

French (fr)

Other versions

EP2781661B1 (de

EP2781661A2 (de

Inventor

Masahiro KAYANE

Katsuaki Kodaka

Yuuta Nakamura

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.)

Hitachi Construction Machinery Co Ltd

Original Assignee

Hitachi 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.)

2013-03-22

Filing date

2014-03-21

Publication date

2015-01-28

2014-03-21 Application filed by Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd

2014-09-24 Publication of EP2781661A2 publication Critical patent/EP2781661A2/de

2015-01-28 Publication of EP2781661A3 publication Critical patent/EP2781661A3/de

2018-08-01 Application granted granted Critical

2018-08-01 Publication of EP2781661B1 publication Critical patent/EP2781661B1/de

Status Not-in-force legal-status Critical Current

2034-03-21 Anticipated expiration legal-status Critical

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
- E02F9/2225—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
- 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
- E02F9/2282—Systems using center bypass type changeover valves
- 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
- E02F9/2296—Systems with a variable displacement pump
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
- F15B11/044—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the return line, i.e. "meter out"
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20546—Type of pump variable capacity
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
- F15B2211/41509—Flow control characterised by the connections of the flow control means in the circuit being connected to a pressure source and a directional control valve
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6306—Electronic controllers using input signals representing a pressure
- F15B2211/6309—Electronic controllers using input signals representing a pressure the pressure being a pressure source supply pressure
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6306—Electronic controllers using input signals representing a pressure
- F15B2211/6313—Electronic controllers using input signals representing a pressure the pressure being a load pressure
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/665—Methods of control using electronic components
- F15B2211/6658—Control using different modes, e.g. four-quadrant-operation, working mode and transportation mode
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7058—Rotary output members
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
- F15B2211/7135—Combinations of output members of different types, e.g. single-acting cylinders with rotary motors

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)

EP14161061.8A 2013-03-22 2014-03-21 Fahrsteuerungsvorrichtung für arbeitsfahrzeug mit rädern Not-in-force EP2781661B1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP2013059726A JP5800846B2 (ja)	2013-03-22	2013-03-22	ホイール式作業車両の走行制御装置

Publications (3)

Publication Number	Publication Date
EP2781661A2 EP2781661A2 (de)	2014-09-24
EP2781661A3 true EP2781661A3 (de)	2015-01-28
EP2781661B1 EP2781661B1 (de)	2018-08-01

Family

ID=50342231

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP14161061.8A Not-in-force EP2781661B1 (de)	2013-03-22	2014-03-21	Fahrsteuerungsvorrichtung für arbeitsfahrzeug mit rädern

Country Status (3)

Country	Link
EP (1)	EP2781661B1 (de)
JP (1)	JP5800846B2 (de)
KR (1)	KR101719865B1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP6840453B2 (ja) *	2015-03-20	2021-03-10	住友建機株式会社	小旋回型ショベル
KR102385608B1 (ko) *	2016-03-22	2022-04-11	스미토모 겐키 가부시키가이샤	쇼벨 및 쇼벨용 컨트롤밸브
JP6581061B2 (ja) *	2016-09-30	2019-09-25	日立建機株式会社	ホイール式作業機械の油圧制御装置
CN106930342B (zh) *	2017-04-25	2020-01-21	柳州柳工挖掘机有限公司	液压挖掘机
JP7070230B2 (ja) *	2018-08-10	2022-05-18	コベルコ建機株式会社	作業機械の速度制御装置
JP7193446B2 (ja) *	2019-12-27	2022-12-20	日立建機株式会社	作業機械

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH01150653U (de) *	1988-04-11	1989-10-18
US5673558A (en) *	1994-06-28	1997-10-07	Hitachi Construction Machinery Co., Ltd.	Hydraulic circuit system for hydraulic excavator
EP1972726A1 (de) *	2007-03-19	2008-09-24	Volvo Construction Equipment Holding Sweden AB	Hydraulische Schaltung zur Verhinderung der Trennung eines Eimers von seiner Halterung während des Transports von Baumaschinen
EP1995155A2 (de) *	2007-05-21	2008-11-26	Volvo Construction Equipment Holding Sweden AB	Antriebsvorrichtung für Raupen-Baumaschinen
EP2151526A1 (de) *	2008-08-08	2010-02-10	Volvo Construction Equipment Holding Sweden AB	Hydraulisches Durchflussverteilungssystem für Erd- und Rohrverlegungsarbeiten
JP2011247282A (ja) *	2010-05-21	2011-12-08	Hitachi Constr Mach Co Ltd	ホイール式作業機械の油圧駆動装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH09324446A (ja) *	1996-06-04	1997-12-16	Hitachi Constr Mach Co Ltd	建設車両の油圧駆動装置
JP3686324B2 (ja)	2000-10-20	2005-08-24	日立建機株式会社	油圧走行車両
WO2006123704A1 (ja) *	2005-05-18	2006-11-23	Komatsu Ltd.	建設機械の油圧制御装置
JP2008121193A (ja)	2006-11-08	2008-05-29	Hitachi Constr Mach Co Ltd	ホイール式の建設機械
JP2012162878A (ja)	2011-02-04	2012-08-30	Hitachi Constr Mach Co Ltd	建設機械の油圧駆動装置

2013
- 2013-03-22 JP JP2013059726A patent/JP5800846B2/ja not_active Expired - Fee Related
2014
- 2014-03-14 KR KR1020140030001A patent/KR101719865B1/ko not_active Expired - Fee Related
- 2014-03-21 EP EP14161061.8A patent/EP2781661B1/de not_active Not-in-force

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH01150653U (de) *	1988-04-11	1989-10-18
US5673558A (en) *	1994-06-28	1997-10-07	Hitachi Construction Machinery Co., Ltd.	Hydraulic circuit system for hydraulic excavator
EP1972726A1 (de) *	2007-03-19	2008-09-24	Volvo Construction Equipment Holding Sweden AB	Hydraulische Schaltung zur Verhinderung der Trennung eines Eimers von seiner Halterung während des Transports von Baumaschinen
EP1995155A2 (de) *	2007-05-21	2008-11-26	Volvo Construction Equipment Holding Sweden AB	Antriebsvorrichtung für Raupen-Baumaschinen
EP2151526A1 (de) *	2008-08-08	2010-02-10	Volvo Construction Equipment Holding Sweden AB	Hydraulisches Durchflussverteilungssystem für Erd- und Rohrverlegungsarbeiten
JP2011247282A (ja) *	2010-05-21	2011-12-08	Hitachi Constr Mach Co Ltd	ホイール式作業機械の油圧駆動装置

Also Published As

Publication number	Publication date
JP2014185665A (ja)	2014-10-02
EP2781661B1 (de)	2018-08-01
EP2781661A2 (de)	2014-09-24
KR101719865B1 (ko)	2017-03-24
JP5800846B2 (ja)	2015-10-28
KR20140115987A (ko)	2014-10-01

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EP2759373A3 (de)	2016-11-23	Verfahren zum Kontrollieren des Drucks eines hydrostatischen Glättwerkzeug und hydrostatisches Glättwerkzeug

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