JP5089973B2 - 作業機械のポンプ制御方法 - Google Patents
作業機械のポンプ制御方法 Download PDFInfo
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- JP5089973B2 JP5089973B2 JP2006344524A JP2006344524A JP5089973B2 JP 5089973 B2 JP5089973 B2 JP 5089973B2 JP 2006344524 A JP2006344524 A JP 2006344524A JP 2006344524 A JP2006344524 A JP 2006344524A JP 5089973 B2 JP5089973 B2 JP 5089973B2
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- hydraulic
- circuit
- pump
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- value
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- 238000000034 method Methods 0.000 title claims description 16
- 230000008929 regeneration Effects 0.000 claims description 58
- 238000011069 regeneration method Methods 0.000 claims description 58
- 230000006837 decompression Effects 0.000 claims description 6
- 239000010720 hydraulic oil Substances 0.000 claims description 4
- 230000001172 regenerating effect Effects 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 19
- 238000001514 detection method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- E02F9/2217—Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels
-
- 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
-
- 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
- E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps
- E02F9/2235—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps 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
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2278—Hydraulic circuits
- E02F9/2285—Pilot-operated systems
-
- 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
- F15B11/024—Systems essentially incorporating special features for controlling the speed or actuating force of an output member by means of differential connection of the servomotor lines, e.g. regenerative circuits
-
- 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
- F15B11/042—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the feed line, i.e. "meter in"
- F15B11/0423—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the feed line, i.e. "meter in" by controlling pump output or bypass, other than to maintain constant speed
-
- 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
- F15B2211/25—Pressure control functions
- F15B2211/253—Pressure margin control, e.g. pump pressure in relation to 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
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/3056—Assemblies of multiple valves
- F15B2211/30565—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
- F15B2211/3058—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve having additional valves for interconnecting the fluid chambers of a double-acting actuator, e.g. for regeneration mode or for floating 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
- F15B2211/50—Pressure control
- F15B2211/505—Pressure control characterised by the type of pressure control means
- F15B2211/50554—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure downstream of the pressure control means, e.g. pressure reducing 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
- F15B2211/50—Pressure control
- F15B2211/52—Pressure control characterised by the type of actuation
- F15B2211/526—Pressure control characterised by the type of actuation electrically or electronically
-
- 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
- F15B2211/605—Load sensing circuits
- F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
-
- 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
- F15B2211/6346—Electronic controllers using input signals representing a state of input means, e.g. joystick position
-
- 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
- F15B2211/65—Methods of control of the load sensing pressure
- F15B2211/651—Methods of control of the load sensing pressure characterised by the way the load pressure is communicated to the load sensing circuit
-
- 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
- F15B2211/65—Methods of control of the load sensing pressure
- F15B2211/654—Methods of control of the load sensing pressure the load sensing pressure being lower than the load pressure
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)
- Fluid-Pressure Circuits (AREA)
- Operation Control Of Excavators (AREA)
Description
[1]回路の油圧値を検出し、その検出値を基準にシリンダへの圧油量を制御させる油圧信号ラインを備えた油圧回路に、再生回路を付加させた油圧回路におけるポンプ制御方法であって、
前記油圧信号ラインの途中に、
前記検出値の油圧値を低減させ、その低減させた油圧値を操作信号としてポンプに出力する減圧出力手段を配置させ、制御手段により、前記再生回路が再生状態のとき、前記減圧出力手段から、低減させた油圧値を出力させ、ポンプからの吐出量を減少させるようにしたポンプ制御方法であり、
前記減圧出力手段が減圧弁からなり、該減圧弁は、前記制御手段であるコントローラから低減指令信号を受けると、前記検出した油圧値を絞りにより減じ、該油圧値がポンプに出力されることを特徴とする作業機械のポンプ制御方法。
[2]回路の油圧値を検出し、その検出値を基準にシリンダへの圧油量を制御させる油圧信号ラインを備えた油圧回路に、再生回路を付加させた油圧回路におけるポンプ制御方法であって、
前記油圧信号ラインの途中に、
前記検出値の油圧値を低減させ、その低減させた油圧値を操作信号としてポンプに出力する減圧出力手段を配置させ、制御手段により、前記再生回路が再生状態のとき、前記減圧出力手段から、低減させた油圧値を出力させ、ポンプからの吐出量を減少させるようにしたポンプ制御方法であり、
前記減圧出力手段がリリーフ弁からなるとともに、該リリーフ弁の上流側には電磁切替弁が配置され、前記制御手段であるコントローラによる前記電磁切替弁の切換制御により、前記再生回路が非再生状態のときには前記検出値が直接ポンプに出力され、前記再生回路が再生状態のときには前記検出値がリリーフ弁側に出力され、該リリーフ弁からの低減された油圧値がポンプに出力されることを特徴とする作業機械のポンプ制御方法。
2 メインポンプ
3 メインコントロールバルブ
4 再生用調整バルブ
5 コントローラ(制御手段)
6 減圧弁
8 リリーフ弁
9 電磁切替弁
Claims (2)
- 回路の油圧値を検出し、その検出値を基準にシリンダへの圧油量を制御させる油圧信号ラインを備えた油圧回路に、再生回路を付加させた油圧回路におけるポンプ制御方法であって、
前記油圧信号ラインの途中に、
前記検出値の油圧値を低減させ、その低減させた油圧値を操作信号としてポンプに出力する減圧出力手段を配置させ、制御手段により、前記再生回路が再生状態のとき、前記減圧出力手段から、低減させた油圧値を出力させ、ポンプからの吐出量を減少させるようにしたポンプ制御方法であり、
前記減圧出力手段が減圧弁からなり、該減圧弁は、前記制御手段であるコントローラから低減指令信号を受けると、前記検出した油圧値を絞りにより減じ、該油圧値がポンプに出力されることを特徴とする作業機械のポンプ制御方法。 - 回路の油圧値を検出し、その検出値を基準にシリンダへの圧油量を制御させる油圧信号ラインを備えた油圧回路に、再生回路を付加させた油圧回路におけるポンプ制御方法であって、
前記油圧信号ラインの途中に、
前記検出値の油圧値を低減させ、その低減させた油圧値を操作信号としてポンプに出力する減圧出力手段を配置させ、制御手段により、前記再生回路が再生状態のとき、前記減圧出力手段から、低減させた油圧値を出力させ、ポンプからの吐出量を減少させるようにしたポンプ制御方法であり、
前記減圧出力手段がリリーフ弁からなるとともに、該リリーフ弁の上流側には電磁切替弁が配置され、前記制御手段であるコントローラによる前記電磁切替弁の切換制御により、前記再生回路が非再生状態のときには前記検出値が直接ポンプに出力され、前記再生回路が再生状態のときには前記検出値がリリーフ弁側に出力され、該リリーフ弁からの低減された油圧値がポンプに出力されることを特徴とする作業機械のポンプ制御方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006344524A JP5089973B2 (ja) | 2006-07-21 | 2006-12-21 | 作業機械のポンプ制御方法 |
US12/227,801 US8191364B2 (en) | 2006-07-21 | 2007-06-19 | Method for controlling pump of working machine |
KR1020087028738A KR101076654B1 (ko) | 2006-07-21 | 2007-07-19 | 작업기계의 펌프 제어방법 |
PCT/JP2007/064218 WO2008010536A1 (fr) | 2006-07-21 | 2007-07-19 | Procédé de commande d'une pompe d'une machine de travail |
CN2007800216729A CN101466954B (zh) | 2006-07-21 | 2007-07-19 | 作业机械的泵控制方法 |
DE112007001165T DE112007001165B4 (de) | 2006-07-21 | 2007-07-19 | Verfahren zum Steuern einer Pumpe für eine Arbeitsmaschine |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006199512 | 2006-07-21 | ||
JP2006199512 | 2006-07-21 | ||
JP2006344524A JP5089973B2 (ja) | 2006-07-21 | 2006-12-21 | 作業機械のポンプ制御方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008045732A JP2008045732A (ja) | 2008-02-28 |
JP5089973B2 true JP5089973B2 (ja) | 2012-12-05 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2006344524A Expired - Fee Related JP5089973B2 (ja) | 2006-07-21 | 2006-12-21 | 作業機械のポンプ制御方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8191364B2 (ja) |
JP (1) | JP5089973B2 (ja) |
KR (1) | KR101076654B1 (ja) |
CN (1) | CN101466954B (ja) |
DE (1) | DE112007001165B4 (ja) |
WO (1) | WO2008010536A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4937663B2 (ja) * | 2006-07-31 | 2012-05-23 | キャタピラー エス エー アール エル | 作業機械の油量制御方法 |
JP2010286074A (ja) * | 2009-06-12 | 2010-12-24 | Kobe Steel Ltd | 作業機械の油圧制御装置及びこれを備えた作業機械 |
CN102985704B (zh) * | 2010-06-30 | 2015-09-09 | 沃尔沃建造设备有限公司 | 用于施工机械液压泵的控制装置 |
JP5639855B2 (ja) * | 2010-11-16 | 2014-12-10 | 株式会社竹内製作所 | 油圧駆動装置および油圧駆動装置を備えた作業機械 |
JP5919820B2 (ja) * | 2011-12-28 | 2016-05-18 | コベルコ建機株式会社 | 建設機械の油圧シリンダ回路 |
JP7269436B2 (ja) * | 2020-03-30 | 2023-05-08 | 日立建機株式会社 | 作業機械 |
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2006
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- 2007-07-19 CN CN2007800216729A patent/CN101466954B/zh not_active Expired - Fee Related
- 2007-07-19 DE DE112007001165T patent/DE112007001165B4/de not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
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WO2008010536A1 (fr) | 2008-01-24 |
DE112007001165B4 (de) | 2011-09-08 |
CN101466954A (zh) | 2009-06-24 |
US8191364B2 (en) | 2012-06-05 |
DE112007001165T5 (de) | 2009-08-13 |
KR20090036086A (ko) | 2009-04-13 |
CN101466954B (zh) | 2011-08-10 |
KR101076654B1 (ko) | 2011-10-26 |
US20090202365A1 (en) | 2009-08-13 |
JP2008045732A (ja) | 2008-02-28 |
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