JP2013160318A - 油圧閉回路システム - Google Patents
油圧閉回路システム Download PDFInfo
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- JP2013160318A JP2013160318A JP2012023491A JP2012023491A JP2013160318A JP 2013160318 A JP2013160318 A JP 2013160318A JP 2012023491 A JP2012023491 A JP 2012023491A JP 2012023491 A JP2012023491 A JP 2012023491A JP 2013160318 A JP2013160318 A JP 2013160318A
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- hydraulic
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- pressure
- port
- closed circuit
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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
- F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
- F15B7/005—With rotary or crank input
- F15B7/006—Rotary pump input
-
- 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
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20538—Type of pump constant capacity
-
- 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
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20561—Type of pump reversible
-
- 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
- F15B2211/205—Systems with pumps
- F15B2211/20576—Systems with pumps with multiple pumps
-
- 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
- F15B2211/27—Directional control by means of the pressure source
-
- 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
- F15B2211/3052—Shuttle valves
-
- 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
- F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
- F15B2211/50536—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using unloading valves controlling the supply pressure by diverting fluid to the return line
-
- 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
- F15B2211/61—Secondary circuits
- F15B2211/613—Feeding 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6336—Electronic controllers using input signals representing a state of the output member, e.g. position, speed or acceleration
-
- 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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7051—Linear output members
- F15B2211/7053—Double-acting output members
- F15B2211/7054—Having equal piston areas
-
- 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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/765—Control of position or angle of the output member
- F15B2211/7656—Control of position or angle of the output member with continuous position control
-
- 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
- F16H61/4078—Fluid exchange between hydrostatic circuits and external sources or consumers
- F16H61/4139—Replenishing or scavenging pumps, e.g. auxiliary charge pumps
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
- Control Of Fluid Gearings (AREA)
Abstract
【解決手段】油圧シリンダ3を駆動可能な油圧閉回路システム100は、油圧ポンプ1と、油圧ポンプ1の回転を制御する電動モータ2と、二次側ポート7bが第一管路C1に連通され、二次側ポート7cが第二管路C2に連通されるシャトル弁7と、吐出ポートがシャトル弁7の一次側ポート7aに連通されるチャージポンプ5と、チャージポンプ5によるチャージ圧を設定圧とするリリーフ弁8とを備える。チャージポンプ5は、シャトル弁7を通じて第一管路C1及び第二管路C2をチャージ圧にする。リリーフ弁8は、設定圧を変更可能である。
【選択図】図1
Description
Claims (3)
- 第一ポート及び第二ポートを有する油圧シリンダ又は油圧モータを駆動可能な油圧閉回路システムであって、
第一管路を通じて前記第一ポートに流体的に連通される第一ポンプポートと第二管路を通じて前記第二ポートに流体的に連通される第二ポンプポートとを有する油圧ポンプと、
前記油圧ポンプの回転を制御する電動モータと、
1つの一次側ポートと2つの二次側ポートとを有するシャトル弁であり、該二次側ポートの一方が前記第一管路に流体的に連通され、該二次側ポートの他方が前記第二管路に流体的に連通されるシャトル弁と、
吐出ポートが前記シャトル弁の一次側ポートに流体的に連通されるチャージポンプと、
前記チャージポンプによるチャージ圧を設定圧とするリリーフ弁と、を備え、
前記チャージポンプは、前記シャトル弁を通じて前記第一管路及び前記第二管路を前記チャージ圧にする、
ことを特徴とする油圧閉回路システム。 - 前記チャージポンプは、前記油圧シリンダ又は前記油圧モータを作動油で駆動する前に、前記シャトル弁を通じて前記第一管路及び前記第二管路を前記チャージ圧にする、
ことを特徴とする請求項1に記載の油圧閉回路システム。 - 前記リリーフ弁は、前記設定圧を変更可能である、
ことを特徴とする請求項1又は2に記載の油圧閉回路システム。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012023491A JP6009770B2 (ja) | 2012-02-06 | 2012-02-06 | 油圧閉回路システム |
| PCT/JP2012/078541 WO2013118356A1 (ja) | 2012-02-06 | 2012-11-02 | 油圧閉回路システム |
| KR1020147019533A KR20140108278A (ko) | 2012-02-06 | 2012-11-02 | 유압폐회로 시스템 |
| CN201280067659.8A CN104067032B (zh) | 2012-02-06 | 2012-11-02 | 液压闭环系统 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012023491A JP6009770B2 (ja) | 2012-02-06 | 2012-02-06 | 油圧閉回路システム |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2013160318A true JP2013160318A (ja) | 2013-08-19 |
| JP6009770B2 JP6009770B2 (ja) | 2016-10-19 |
Family
ID=48947143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012023491A Expired - Fee Related JP6009770B2 (ja) | 2012-02-06 | 2012-02-06 | 油圧閉回路システム |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6009770B2 (ja) |
| KR (1) | KR20140108278A (ja) |
| CN (1) | CN104067032B (ja) |
| WO (1) | WO2013118356A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180111518A (ko) | 2017-03-31 | 2018-10-11 | 스미도모쥬기가이고교 가부시키가이샤 | 위치제어장치, 유압구동장치 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107965572B (zh) * | 2017-11-06 | 2020-06-26 | 北京理工大学 | 一种自动变速器用电液控制系统 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62292958A (ja) * | 1986-06-11 | 1987-12-19 | Shimadzu Corp | 液圧システム |
| JPH0427427B2 (ja) * | 1987-07-31 | 1992-05-11 | Honda Motor Co Ltd | |
| US20060064974A1 (en) * | 2004-09-28 | 2006-03-30 | James Whitaker | Hydrostatic transmission circuit |
| JP2007040479A (ja) * | 2005-08-04 | 2007-02-15 | Toyota Motor Corp | 車両用変速機 |
| JP2011241715A (ja) * | 2010-05-17 | 2011-12-01 | Kanzaki Kokyukoki Manufacturing Co Ltd | 斜板式液圧機械及び静油圧伝動装置 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3744244A (en) * | 1971-07-30 | 1973-07-10 | Automation Equipment Inc | Hydrostatic drive |
| FR2301741A1 (fr) * | 1975-02-20 | 1976-09-17 | Renault | Di |
| US3999387A (en) * | 1975-09-25 | 1976-12-28 | Knopf Frank A | Closed loop control system for hydrostatic transmission |
| US3972189A (en) * | 1975-11-17 | 1976-08-03 | Eaton Corporation | Control for hydrostatic transmissions |
| JPS5618155A (en) * | 1979-07-19 | 1981-02-20 | Yanmar Agricult Equip Co Ltd | Self-traveling tractor |
| JPS6418665U (ja) * | 1987-07-24 | 1989-01-30 | ||
| EP0395657B1 (de) * | 1987-10-13 | 1991-08-14 | ZF FRIEDRICHSHAFEN Aktiengesellschaft | Hydrostatisch-mechanisches antriebssystem |
| JPH03229065A (ja) * | 1990-01-31 | 1991-10-11 | Shimadzu Corp | 流体機械式変速機 |
| US5778671A (en) * | 1996-09-13 | 1998-07-14 | Vickers, Inc. | Electrohydraulic system and apparatus with bidirectional electric-motor/hydraulic-pump unit |
| DE19934782C2 (de) * | 1999-07-23 | 2002-04-11 | Sauer Sundstrand Gmbh & Co | Verfahren und Anordnung zum Steuern eines hydraulischen Fahrzeugantriebs |
| US6698197B1 (en) * | 2002-11-26 | 2004-03-02 | Eaton Corporation | Hydraulically actuated by-pass valve |
| JP5368943B2 (ja) * | 2009-11-10 | 2013-12-18 | 川崎重工業株式会社 | 油圧制御装置 |
-
2012
- 2012-02-06 JP JP2012023491A patent/JP6009770B2/ja not_active Expired - Fee Related
- 2012-11-02 WO PCT/JP2012/078541 patent/WO2013118356A1/ja not_active Ceased
- 2012-11-02 KR KR1020147019533A patent/KR20140108278A/ko not_active Ceased
- 2012-11-02 CN CN201280067659.8A patent/CN104067032B/zh not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62292958A (ja) * | 1986-06-11 | 1987-12-19 | Shimadzu Corp | 液圧システム |
| JPH0427427B2 (ja) * | 1987-07-31 | 1992-05-11 | Honda Motor Co Ltd | |
| US20060064974A1 (en) * | 2004-09-28 | 2006-03-30 | James Whitaker | Hydrostatic transmission circuit |
| JP2007040479A (ja) * | 2005-08-04 | 2007-02-15 | Toyota Motor Corp | 車両用変速機 |
| JP2011241715A (ja) * | 2010-05-17 | 2011-12-01 | Kanzaki Kokyukoki Manufacturing Co Ltd | 斜板式液圧機械及び静油圧伝動装置 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180111518A (ko) | 2017-03-31 | 2018-10-11 | 스미도모쥬기가이고교 가부시키가이샤 | 위치제어장치, 유압구동장치 |
| JP2018173131A (ja) * | 2017-03-31 | 2018-11-08 | 住友重機械工業株式会社 | 位置制御装置、油圧駆動装置 |
| KR102369766B1 (ko) * | 2017-03-31 | 2022-03-02 | 스미도모쥬기가이고교 가부시키가이샤 | 위치제어장치, 유압구동장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104067032B (zh) | 2016-10-12 |
| KR20140108278A (ko) | 2014-09-05 |
| CN104067032A (zh) | 2014-09-24 |
| JP6009770B2 (ja) | 2016-10-19 |
| WO2013118356A1 (ja) | 2013-08-15 |
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