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WO2008136204A1 - 建設車両 - Google Patents

建設車両 Download PDF

Info

Publication number
WO2008136204A1
WO2008136204A1 PCT/JP2008/052931 JP2008052931W WO2008136204A1 WO 2008136204 A1 WO2008136204 A1 WO 2008136204A1 JP 2008052931 W JP2008052931 W JP 2008052931W WO 2008136204 A1 WO2008136204 A1 WO 2008136204A1
Authority
WO
WIPO (PCT)
Prior art keywords
capacity
construction vehicle
main circuit
maximum value
hydraulic pump
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.)
Ceased
Application number
PCT/JP2008/052931
Other languages
English (en)
French (fr)
Inventor
Atsushi Shirao
Masanori Ikari
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
Priority to US12/527,825 priority Critical patent/US8386136B2/en
Priority to CN2008800126483A priority patent/CN101663515B/zh
Priority to SE0950589A priority patent/SE533997C2/sv
Publication of WO2008136204A1 publication Critical patent/WO2008136204A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
    • 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
    • E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
    • 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
    • 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
    • F16H61/4008—Control of circuit pressure
    • 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
    • F16H61/421—Motor capacity control by electro-hydraulic control means, e.g. using solenoid 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
    • F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
    • F16H61/431—Pump capacity control by electro-hydraulic control means, e.g. using solenoid 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
    • F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
    • F16H61/435—Pump capacity control by electric actuators
    • 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
    • F16H61/46—Automatic regulation in accordance with output requirements
    • F16H61/468—Automatic regulation in accordance with output requirements for achieving a target input torque
    • 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
    • F16H59/68—Inputs being a function of gearing status
    • F16H2059/6838—Sensing gearing status of hydrostatic transmissions
    • F16H2059/6861—Sensing gearing status of hydrostatic transmissions the pressures, e.g. high, low or differential pressures
    • 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
    • F16H59/14—Inputs being a function of torque or torque demand
    • F16H59/18—Inputs being a function of torque or torque demand dependent on the position of the accelerator pedal
    • 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, e.g. the vehicle speed

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Transportation (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Control Of Fluid Gearings (AREA)
  • Operation Control Of Excavators (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Positive-Displacement Pumps (AREA)

Abstract

　タイヤのスリップや急発進を抑えることができる建設車両を提供する。本発明にかかる建設車両では、制御部が、エンジン回転数にかかわらず車両停止状態で、主回路油圧がカットオフ圧力値以下の最大値となり、主回路油圧が最大値から減少するにつれて走行用油圧ポンプの容量が漸次増加するように、走行用油圧ポンプの容量を制御するポンプ容量急変抑制制御を実行可能である。
PCT/JP2008/052931 2007-04-26 2008-02-21 建設車両 Ceased WO2008136204A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US12/527,825 US8386136B2 (en) 2007-04-26 2008-02-21 Construction vehicle
CN2008800126483A CN101663515B (zh) 2007-04-26 2008-02-21 建筑车辆
SE0950589A SE533997C2 (sv) 2007-04-26 2008-02-21 Anläggningsfordon med anordning för undvikande av hjulslirning och plötslig acceleration

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-116722 2007-04-26
JP2007116722A JP5074086B2 (ja) 2007-04-26 2007-04-26 建設車両

Publications (1)

Publication Number Publication Date
WO2008136204A1 true WO2008136204A1 (ja) 2008-11-13

Family

ID=39943324

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/052931 Ceased WO2008136204A1 (ja) 2007-04-26 2008-02-21 建設車両

Country Status (5)

Country Link
US (1) US8386136B2 (ja)
JP (1) JP5074086B2 (ja)
CN (1) CN101663515B (ja)
SE (1) SE533997C2 (ja)
WO (1) WO2008136204A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013145336A1 (ja) * 2012-03-30 2013-10-03 株式会社小松製作所 作業車両及び作業車両の制御方法

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4989951B2 (ja) * 2006-10-25 2012-08-01 株式会社小松製作所 建設車両
JP5064160B2 (ja) * 2007-09-19 2012-10-31 株式会社小松製作所 エンジンの制御装置
US8452495B2 (en) * 2008-12-24 2013-05-28 Doosan Infracore Co., Ltd. Emergency engine RPM control apparatus for heavy construction equipment
JP5072926B2 (ja) 2009-09-03 2012-11-14 株式会社小松製作所 作業車両
EP2466017A1 (en) 2010-12-14 2012-06-20 Caterpillar, Inc. Closed loop drive circuit with open circuit pump assist for high speed travel
US9394924B2 (en) 2011-02-07 2016-07-19 Caterpillar Inc. Hydrostatic system configured to be integrated in an excavator
DE102011113485A1 (de) * 2011-09-15 2013-03-21 Bomag Gmbh Verfahren zum Ansteuern eines Antriebsstranges eines Fahrzeugs und Vorrichtung zur Durchführung des Verfahrens
CN102985306B (zh) 2012-03-15 2014-05-28 株式会社小松制作所 作业车辆和作业车辆的控制方法
JP5106694B1 (ja) 2012-03-15 2012-12-26 株式会社小松製作所 作業車両及び作業車両の制御方法
JP5113946B1 (ja) * 2012-03-27 2013-01-09 株式会社小松製作所 作業車両及び作業車両の制御方法
US8701818B2 (en) 2012-03-29 2014-04-22 Komatsu Ltd. Work vehicle and control method for work vehicle
JP5092059B1 (ja) * 2012-03-29 2012-12-05 株式会社小松製作所 作業車両及び作業車両の制御方法
JP5092061B1 (ja) * 2012-03-30 2012-12-05 株式会社小松製作所 作業車両及び作業車両の制御方法
JP5092070B1 (ja) 2012-03-30 2012-12-05 株式会社小松製作所 ホイールローダ及びホイールローダの制御方法
CN103443512B (zh) * 2012-03-30 2014-09-24 株式会社小松制作所 轮式装载机及轮式装载机的控制方法
US20140069092A1 (en) * 2012-09-07 2014-03-13 Caterpillar, Inc. Traction Control System for a Hydrostatic Drive
US9772018B2 (en) * 2013-03-27 2017-09-26 Kubota Corporation Working machine
DE102016205891A1 (de) * 2016-04-08 2017-10-12 Robert Bosch Gmbh Hydrostatischer Fahrantrieb und Fahrzeug mit einem solchen hydrostatischen Fahrantrieb
US12180683B2 (en) 2017-06-27 2024-12-31 Komatsu Ltd. Work vehicle and control method for work vehicle
US11199260B2 (en) 2017-06-27 2021-12-14 Komatsu Ltd. Work vehicle and control method for work vehicle
WO2019003762A1 (ja) 2017-06-27 2019-01-03 株式会社小松製作所 作業車両、及び、作業車両の制御方法
JP6749351B2 (ja) * 2018-01-19 2020-09-02 酒井重工業株式会社 建設車両
DE102018210685A1 (de) * 2018-06-29 2020-01-02 Robert Bosch Gmbh Hydrostatischer Fahrantrieb und Verfahren zur Steuerung des hydrostatischen Fahrantriebes
IT202300004806A1 (it) * 2023-03-14 2024-09-14 Cnh Ind Italia Spa Metodo e sistema di controllo di un sistema di propulsione di una macchina da lavoro o agricola
CN119288015B (zh) * 2024-11-04 2025-10-24 潍柴动力股份有限公司 一种装载机及其控制方法、装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0314966A (ja) * 1989-06-09 1991-01-23 Komatsu Ltd 油圧駆動車の可変容量モータ制御装置
JP2004144254A (ja) * 2002-10-28 2004-05-20 Komatsu Ltd 油圧駆動車両

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DE3935068A1 (de) * 1989-10-20 1991-04-25 Sauer Sundstrand Gmbh & Co Einrichtung fuer druckgeregelte verstellmotoren mit drehzahlabhaengiger einstelldruckkompensation
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JP3812728B2 (ja) 2001-12-13 2006-08-23 株式会社小松製作所 上部旋回式作業車両
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0314966A (ja) * 1989-06-09 1991-01-23 Komatsu Ltd 油圧駆動車の可変容量モータ制御装置
JP2004144254A (ja) * 2002-10-28 2004-05-20 Komatsu Ltd 油圧駆動車両

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013145336A1 (ja) * 2012-03-30 2013-10-03 株式会社小松製作所 作業車両及び作業車両の制御方法
JP2013210013A (ja) * 2012-03-30 2013-10-10 Komatsu Ltd 作業車両及び作業車両の制御方法
US9163386B2 (en) 2012-03-30 2015-10-20 Komatsu Ltd. Work vehicle and work vehicle control method

Also Published As

Publication number Publication date
SE0950589L (sv) 2009-09-04
SE533997C2 (sv) 2011-03-22
US8386136B2 (en) 2013-02-26
CN101663515B (zh) 2013-07-31
US20100094515A1 (en) 2010-04-15
JP2008275012A (ja) 2008-11-13
CN101663515A (zh) 2010-03-03
JP5074086B2 (ja) 2012-11-14

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