WO2008120546A1 - 作業車両 - Google Patents

作業車両 Download PDF

Info

Publication number
WO2008120546A1
WO2008120546A1 PCT/JP2008/054522 JP2008054522W WO2008120546A1 WO 2008120546 A1 WO2008120546 A1 WO 2008120546A1 JP 2008054522 W JP2008054522 W JP 2008054522W WO 2008120546 A1 WO2008120546 A1 WO 2008120546A1
Authority
WO
WIPO (PCT)
Prior art keywords
auto
speed stage
shift control
work vehicle
transmission
Prior art date
Application number
PCT/JP2008/054522
Other languages
English (en)
French (fr)
Inventor
Minoru Wada
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.
Publication of WO2008120546A1 publication Critical patent/WO2008120546A1/ja

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
    • F16H61/02—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 characterised by the signals used
    • F16H61/0202—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 characterised by the signals used the signals being electric
    • F16H61/0204—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 characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
    • F16H61/0213—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 characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by the method for generating shift signals
    • 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
    • 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
    • F16H61/02—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 characterised by the signals used
    • F16H61/0202—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 characterised by the signals used the signals being electric
    • F16H61/0204—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 characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
    • F16H61/0213—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 characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by the method for generating shift signals
    • F16H2061/0234—Adapting the ratios to special vehicle conditions
    • 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
    • F16H59/50—Inputs being a function of the status of the machine, e.g. position of doors or safety belts

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)

Abstract

２速以上を用いたオートシフトモードで制御を行っている作業車両を、掘削作業を行うときにだけ１速に自動的にキックダウンするように制御する。 ホイールローダ１のコントローラ５０は、変速機２３が２速以上の速度段を用いたオートシフト制御を行っているときに圧力センサ６２、６３が検出した圧力が所定の圧力上昇をすると、オートシフト制御を中止して変速機２３の速度段を１速にシフトダウンさせ、その後、予め定められた復帰条件になるとオートシフト制御に復帰させる。
PCT/JP2008/054522 2007-03-29 2008-03-12 作業車両 WO2008120546A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007088997 2007-03-29
JP2007-088997 2007-03-29

Publications (1)

Publication Number Publication Date
WO2008120546A1 true WO2008120546A1 (ja) 2008-10-09

Family

ID=39808130

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/054522 WO2008120546A1 (ja) 2007-03-29 2008-03-12 作業車両

Country Status (1)

Country Link
WO (1) WO2008120546A1 (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011001712A (ja) * 2009-06-17 2011-01-06 Tcm Corp 産業車両の変速制御装置
JP2015132352A (ja) * 2014-01-15 2015-07-23 株式会社小松製作所 作業車両及びその制御方法
EP2657576A4 (en) * 2010-12-24 2017-03-15 Doosan Infracore Co., Ltd. Apparatus and method for automatically controlling a transmission of a wheel loader
CN109457744A (zh) * 2018-12-28 2019-03-12 徐工集团工程机械股份有限公司科技分公司 一种应用于纯电动装载机的驱动控制系统
CN112797154A (zh) * 2019-11-14 2021-05-14 斗山英维高株式会社 工程机械及工程机械的控制方法
CN112982538A (zh) * 2021-02-24 2021-06-18 索特传动设备有限公司 一种轮式装载机的控制方法、装置、轮式装载机及存储介质

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0231941A (ja) * 1988-07-18 1990-02-01 Komatsu Ltd 建設車両の強制シフトダウン装置
JPH02147732A (ja) * 1988-11-30 1990-06-06 Yutani Heavy Ind Ltd 建設機械の自動変速装置
JPH04117051U (ja) * 1991-04-03 1992-10-20 東洋運搬機株式会社 トラクタシヨベルの変速制御装置
JP2004251441A (ja) * 2002-10-23 2004-09-09 Komatsu Ltd 作業車両の作業機用油圧ポンプの制御方法と制御装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0231941A (ja) * 1988-07-18 1990-02-01 Komatsu Ltd 建設車両の強制シフトダウン装置
JPH02147732A (ja) * 1988-11-30 1990-06-06 Yutani Heavy Ind Ltd 建設機械の自動変速装置
JPH04117051U (ja) * 1991-04-03 1992-10-20 東洋運搬機株式会社 トラクタシヨベルの変速制御装置
JP2004251441A (ja) * 2002-10-23 2004-09-09 Komatsu Ltd 作業車両の作業機用油圧ポンプの制御方法と制御装置

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011001712A (ja) * 2009-06-17 2011-01-06 Tcm Corp 産業車両の変速制御装置
EP2657576A4 (en) * 2010-12-24 2017-03-15 Doosan Infracore Co., Ltd. Apparatus and method for automatically controlling a transmission of a wheel loader
JP2015132352A (ja) * 2014-01-15 2015-07-23 株式会社小松製作所 作業車両及びその制御方法
WO2015108055A1 (ja) 2014-01-15 2015-07-23 株式会社小松製作所 作業車両及びその制御方法
CN105378348A (zh) * 2014-01-15 2016-03-02 株式会社小松制作所 作业车辆及其控制方法
US9707958B2 (en) 2014-01-15 2017-07-18 Komatsu Ltd. Work vehicle and method for controlling same
US10011273B2 (en) 2014-01-15 2018-07-03 Komatsu Ltd. Work vehicle and method for controlling same
CN109457744A (zh) * 2018-12-28 2019-03-12 徐工集团工程机械股份有限公司科技分公司 一种应用于纯电动装载机的驱动控制系统
CN112797154A (zh) * 2019-11-14 2021-05-14 斗山英维高株式会社 工程机械及工程机械的控制方法
CN112982538A (zh) * 2021-02-24 2021-06-18 索特传动设备有限公司 一种轮式装载机的控制方法、装置、轮式装载机及存储介质

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