ATE378533T1 - Hydraulisch betriebenes fahrzeug - Google Patents

Hydraulisch betriebenes fahrzeug

Info

Publication number
ATE378533T1
ATE378533T1 AT02792057T AT02792057T ATE378533T1 AT E378533 T1 ATE378533 T1 AT E378533T1 AT 02792057 T AT02792057 T AT 02792057T AT 02792057 T AT02792057 T AT 02792057T AT E378533 T1 ATE378533 T1 AT E378533T1
Authority
AT
Austria
Prior art keywords
hydraulic motor
operating member
reverse operation
hydraulic
hydraulic pump
Prior art date
Application number
AT02792057T
Other languages
English (en)
Inventor
Yukihiro Tatsuno
Kazuhiro Ichimura
Hidetoshi Satake
Original Assignee
Hitachi Construction Machinery
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 Hitachi Construction Machinery filed Critical Hitachi Construction Machinery
Application granted granted Critical
Publication of ATE378533T1 publication Critical patent/ATE378533T1/de

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4183—Preventing or reducing vibrations or noise, e.g. avoiding cavitations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
    • B60W30/18—Propelling the vehicle
    • B60W30/18009—Propelling the vehicle related to particular drive situations
    • B60W30/18036—Reversing
    • B60W30/18045—Rocking, i.e. fast change between forward and reverse
    • 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
    • E02F9/226—Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating
    • 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
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4061—Control related to directional control valves, e.g. change-over valves, for crossing the feeding conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4069—Valves related to the control of neutral, e.g. shut off valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4148—Open loop circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02—Selector apparatus
    • F16H59/04—Ratio selector apparatus
    • F16H59/06—Ratio selector apparatus the ratio being infinitely variable
    • F16H2059/065—Inching pedals for setting the ratio of an hydrostatic transmission
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/36—Inputs being a function of speed
    • F16H59/44—Inputs being a function of speed dependent on machine speed of the machine, e.g. the vehicle
    • F16H2059/443—Detecting travel direction, e.g. the forward or reverse movement of the vehicle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
    • F16H61/423—Motor capacity control by fluid pressure control means

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Transportation (AREA)
  • Operation Control Of Excavators (AREA)
  • Control Of Fluid Gearings (AREA)
  • Fluid-Pressure Circuits (AREA)
AT02792057T 2002-12-27 2002-12-27 Hydraulisch betriebenes fahrzeug ATE378533T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2002/013829 WO2004061337A1 (ja) 2002-12-27 2002-12-27 油圧駆動車両

Publications (1)

Publication Number Publication Date
ATE378533T1 true ATE378533T1 (de) 2007-11-15

Family

ID=32697340

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02792057T ATE378533T1 (de) 2002-12-27 2002-12-27 Hydraulisch betriebenes fahrzeug

Country Status (7)

Country Link
US (1) US7506717B2 (de)
EP (1) EP1580466B1 (de)
JP (1) JP4440116B2 (de)
CN (1) CN100419311C (de)
AT (1) ATE378533T1 (de)
DE (1) DE60223606T2 (de)
WO (1) WO2004061337A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006011804A1 (de) * 2006-03-15 2007-09-20 Zf Friedrichshafen Ag Hydrostatgetriebe eines hydrostatisch-mechanischen Leistungsverzweigungsgetriebes
JP2008039139A (ja) * 2006-08-09 2008-02-21 Hitachi Constr Mach Co Ltd 油圧駆動車両の走行制御装置
US8322481B2 (en) * 2006-12-28 2012-12-04 Hitachi Construction Machinery Co., Ltd. Traveling control apparatus for hydraulic traveling vehicle
KR101112137B1 (ko) * 2009-07-29 2012-02-22 볼보 컨스트럭션 이큅먼트 에이비 하이브리드식 건설기계의 엔진회전수 변화저감 제어시스템 및 방법
US8763388B2 (en) * 2009-10-13 2014-07-01 Caterpillar Inc. Hydraulic system having a backpressure control valve
US8157033B2 (en) * 2010-01-27 2012-04-17 Les Produits Gilbert Inc. Steering system for a tracked vehicle
JP5228000B2 (ja) * 2010-05-26 2013-07-03 日立建機株式会社 ハイブリッド式建設機械
WO2012147407A1 (ja) * 2011-04-27 2012-11-01 日産自動車株式会社 車両用インホイールモータユニットの潤滑制御装置
DE102012020984A1 (de) * 2012-10-25 2014-04-30 Liebherr-Hydraulikbagger Gmbh Vorrichtung zur Fahrgeschwindigkeitssteuerung/-regelung eines Arbeitsfahrzeugs und Verfahren hierzu
JP6089665B2 (ja) * 2012-12-13 2017-03-08 コベルコ建機株式会社 建設機械の油圧制御装置
US20140196449A1 (en) * 2013-01-11 2014-07-17 Gerry Petty Hydraulic Drive Circuit
WO2015034499A1 (en) * 2013-09-05 2015-03-12 Volvo Construction Equipment Ab Hydrostatic transmission for construction vehicle
FR3026811B1 (fr) * 2014-10-03 2016-12-09 Poclain Hydraulics Ind Procede d'assistance hydraulique de l'entrainement d'un vehicule a basse vitesse
JP6634363B2 (ja) * 2016-11-16 2020-01-22 日立建機株式会社 作業機械
US11866912B2 (en) 2019-09-19 2024-01-09 Doosan Bobcat North America, Inc. Drive motor displacement control

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3864911A (en) * 1974-02-14 1975-02-11 Gen Cable Corp Hydraulic System with Bi-Rotational Pump
CN1009567B (zh) * 1986-03-28 1990-09-12 株式会社小松制作所 用于液压操纵车辆的油路系统
JPH0747602Y2 (ja) 1988-05-09 1995-11-01 日立建機株式会社 方向切換弁駆動油圧回路
JP2600009B2 (ja) * 1990-04-25 1997-04-16 株式会社神戸製鋼所 クレーンの旋回制御装置
JPH06193731A (ja) 1992-12-24 1994-07-15 Hitachi Constr Mach Co Ltd 作業車両の走行用油圧モータ駆動回路
KR960011173A (ko) * 1994-09-30 1996-04-20 김무 유압모터의 캐비테이션 방지장치
JPH08135789A (ja) 1994-11-09 1996-05-31 Komatsu Ltd 車両の油圧式駆動装置の変速装置およびその変速制御方法
JP3400178B2 (ja) * 1995-03-31 2003-04-28 日立建機株式会社 油圧駆動車両の走行制御装置
DE69620463T2 (de) * 1995-05-17 2002-10-31 Komatsu Ltd., Tokio/Tokyo Hydraulischer kreislauf für hydraulisch angetriebene arbeitsfahrzeuge
US5664477A (en) * 1996-05-10 1997-09-09 Caterpillar Inc. Control system for a hydraulic circuit
JPH09317879A (ja) * 1996-05-27 1997-12-12 Komatsu Ltd 油圧駆動装置の背圧制御回路
US6159308A (en) * 1997-12-12 2000-12-12 Hitachi Metals, Ltd. Rare earth permanent magnet and production method thereof
JPH11182674A (ja) 1997-12-17 1999-07-06 Komatsu Ltd 油圧駆動車両の前後進切換制御装置および制御方法
JPH11182676A (ja) * 1997-12-24 1999-07-06 Komatsu Ltd 油圧駆動式作業車両の走行駆動装置およびその制御方法
JPH11201278A (ja) 1998-01-12 1999-07-27 Komatsu Ltd 油圧駆動式作業車両の走行駆動装置およびその制御方法
JPH11210880A (ja) 1998-01-22 1999-08-03 Komatsu Ltd 油圧駆動式作業車両の走行駆動装置およびその制御方法
GB2395769C (en) * 2002-11-27 2006-02-08 Komatsu Mfg Co Ltd Cavitation prevention system of hydraulic travelling vehicle
DE10303487B4 (de) * 2003-01-29 2005-03-03 Brueninghaus Hydromatik Gmbh Regelung für ein hydrostatisches Getriebe
US7281376B2 (en) * 2005-02-22 2007-10-16 Hybra-Drive Systems, Llc Hydraulic hybrid powertrain system
US7210292B2 (en) * 2005-03-30 2007-05-01 Caterpillar Inc Hydraulic system having variable back pressure control
DE102006048198A1 (de) * 2005-12-16 2007-07-12 Bosch Rexroth Ag Hydrostatischer Antrieb und Verfahren zum Abbremsen eines hydrostatischen Antriebs

Also Published As

Publication number Publication date
US20060083622A1 (en) 2006-04-20
DE60223606T2 (de) 2008-10-23
DE60223606D1 (de) 2007-12-27
EP1580466B1 (de) 2007-11-14
JP4440116B2 (ja) 2010-03-24
CN100419311C (zh) 2008-09-17
EP1580466A4 (de) 2006-03-29
JPWO2004061337A1 (ja) 2006-05-11
CN1717554A (zh) 2006-01-04
WO2004061337A1 (ja) 2004-07-22
EP1580466A1 (de) 2005-09-28
US7506717B2 (en) 2009-03-24

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties