WO2008120546A1 - 作業車両 - Google Patents
作業車両 Download PDFInfo
- 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
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
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- 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。
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)
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*** |
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)
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 |
-
2008
- 2008-03-12 WO PCT/JP2008/054522 patent/WO2008120546A1/ja active Application Filing
Patent Citations (4)
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)
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*** |
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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