JP6368553B2 - 流体圧システム - Google Patents
流体圧システム Download PDFInfo
- Publication number
- JP6368553B2 JP6368553B2 JP2014118102A JP2014118102A JP6368553B2 JP 6368553 B2 JP6368553 B2 JP 6368553B2 JP 2014118102 A JP2014118102 A JP 2014118102A JP 2014118102 A JP2014118102 A JP 2014118102A JP 6368553 B2 JP6368553 B2 JP 6368553B2
- Authority
- JP
- Japan
- Prior art keywords
- fluid pressure
- hydraulic
- switching valve
- valve
- switched
- 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.)
- Expired - Fee Related
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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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more 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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/027—Installations or systems with accumulators having accumulator charging devices
-
- 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
-
- 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
-
- 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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/024—Installations or systems with accumulators used as a supplementary power source, e.g. to store energy in idle periods to balance pump load
-
- 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
- F15B2211/20507—Type of prime mover
- F15B2211/20515—Electric motor
-
- 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
- F15B2211/21—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
- F15B2211/212—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being accumulators
-
- 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
-
- 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
- F15B2211/3059—Assemblies of multiple valves having multiple valves for multiple output members
-
- 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
- F15B2211/32—Directional control characterised by the type of actuation
- F15B2211/327—Directional 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
- F15B2211/625—Accumulators
-
- 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
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/88—Control measures for saving energy
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Description
1〜4 水圧シリンダ(流体圧アクチュエータ)
10 タンク
11 水圧ポンプ(第一流体圧ポンプ)
12 水圧ポンプ(第二流体圧ポンプ)
13 供給通路
14 供給通路
15 電動機
20 戻り通路
30 アキュムレータ
31 分岐通路
34 開閉弁(第三切換弁)
35 開閉弁(第二切換弁)
41 切換弁
42 切換弁
43 切換弁
44 水圧サーボ弁
51 切換弁(第一切換弁)
Claims (4)
- 作動流体を供給する流体圧システムであって、
流体圧アクチュエータを作動させる作動流体を吐出する第一流体圧ポンプと、
前記第一流体圧ポンプと並列に設けられ作動流体を吐出する第二流体圧ポンプと、
前記第二流体圧ポンプから吐出された作動流体を蓄圧可能なアキュムレータと、
開状態に切り換えられたときに前記アキュムレータに蓄圧された作動流体を前記流体圧アクチュエータに供給する第一切換弁と、
前記第一切換弁と並列に、前記第二流体圧ポンプと前記流体圧アクチュエータとを連通させる通路に設けられ、開状態に切り換えられたときに前記第二流体圧ポンプから吐出された作動流体を前記流体圧アクチュエータに供給する第二切換弁と、を備えることを特徴とする流体圧システム。 - 前記アキュムレータに連通する通路を開閉する第三切換弁を更に備え、
前記第三切換弁は、前記第二切換弁が開状態に切り換えられると閉状態に切り換えられ、前記第二切換弁が閉状態に切り換えられると開状態に切り換えられることを特徴とする請求項1に記載の流体圧システム。 - 作動流体を供給する流体圧システムであって、
流体圧アクチュエータを作動させる作動流体を吐出する第一流体圧ポンプと、
前記第一流体圧ポンプと並列に設けられ作動流体を吐出する第二流体圧ポンプと、
前記第二流体圧ポンプから吐出された作動流体を蓄圧可能なアキュムレータと、
開状態に切り換えられたときに前記アキュムレータに蓄圧された作動流体を前記流体圧アクチュエータに供給する第一切換弁と、
前記第二流体圧ポンプと前記流体圧アクチュエータとを連通させる通路と、を備え、
前記流体圧アクチュエータは、前記第一流体圧ポンプから吐出される作動流体又は前記第一流体圧ポンプと前記第二流体圧ポンプとから吐出される作動流体によって一方向に作動し、前記アキュムレータから供給される作動流体によって他方向に作動することを特徴とする流体圧システム。 - 前記第一流体圧ポンプと前記第二流体圧ポンプとは、単一の電動機によって駆動されることを特徴とする請求項1から3のいずれか一つに記載の流体圧システム。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014118102A JP6368553B2 (ja) | 2014-06-06 | 2014-06-06 | 流体圧システム |
CN201580013816.0A CN106104013A (zh) | 2014-06-06 | 2015-06-03 | 流体压系统、蓄能器的蓄能方法以及流体压致动器的工作方法 |
PCT/JP2015/066090 WO2015186754A1 (ja) | 2014-06-06 | 2015-06-03 | 流体圧システム、アキュムレータの蓄圧方法、及び流体圧アクチュエータの作動方法 |
AU2015269469A AU2015269469B2 (en) | 2014-06-06 | 2015-06-03 | Fluid pressure system, pressure accumulation method of accumulator, and operational method of fluid pressure accumulator |
EP15802740.9A EP3106676A4 (en) | 2014-06-06 | 2015-06-03 | Fluid pressure system, accumulating method for accumulator, and method for actuating fluid pressure actuator |
US15/125,627 US20170002840A1 (en) | 2014-06-06 | 2015-06-03 | Fluid pressure system, pressure accumulation method of accumulator, and operation method of fluid pressure actuator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014118102A JP6368553B2 (ja) | 2014-06-06 | 2014-06-06 | 流体圧システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015230090A JP2015230090A (ja) | 2015-12-21 |
JP6368553B2 true JP6368553B2 (ja) | 2018-08-01 |
Family
ID=54766822
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014118102A Expired - Fee Related JP6368553B2 (ja) | 2014-06-06 | 2014-06-06 | 流体圧システム |
Country Status (6)
Country | Link |
---|---|
US (1) | US20170002840A1 (ja) |
EP (1) | EP3106676A4 (ja) |
JP (1) | JP6368553B2 (ja) |
CN (1) | CN106104013A (ja) |
AU (1) | AU2015269469B2 (ja) |
WO (1) | WO2015186754A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160317956A1 (en) * | 2015-05-01 | 2016-11-03 | Caterpillar Global Mining Llc | Combination manifold for a machine |
US10151080B2 (en) | 2015-11-30 | 2018-12-11 | The Charles Machine Works, Inc. | Valve assembly for work attachment |
AT519817A1 (de) | 2017-04-06 | 2018-10-15 | Engel Austria Gmbh | Hydrauliksystem |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
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US2808533A (en) * | 1952-02-08 | 1957-10-01 | Bell Telephone Labor Inc | Electron discharge devices |
US3760689A (en) * | 1972-02-24 | 1973-09-25 | Harnischfeger Corp | Control system for automatically sequencing operation of a plurality of hydraulic pumps for supplying a plurality of hydraulic actuators |
DE10141351A1 (de) * | 2001-08-23 | 2003-03-06 | Demag Ergotech Gmbh | Hydrauliksystem für Spritzgießmaschinen |
US7325398B2 (en) * | 2004-03-05 | 2008-02-05 | Deere & Company | Closed circuit energy recovery system for a work implement |
CN2808533Y (zh) * | 2005-08-12 | 2006-08-23 | 上海欣昶鑫企业发展有限公司 | 一种瞬时建压的液压机 |
US7234298B2 (en) * | 2005-10-06 | 2007-06-26 | Caterpillar Inc | Hybrid hydraulic system and work machine using same |
US7444809B2 (en) * | 2006-01-30 | 2008-11-04 | Caterpillar Inc. | Hydraulic regeneration system |
JP2007247727A (ja) * | 2006-03-15 | 2007-09-27 | Kyoritsu Kogyo Kk | 蓄圧アキュムレータや増圧ブースタによる増力可能な建設土木機械 |
GB0614534D0 (en) * | 2006-07-21 | 2006-08-30 | Artemis Intelligent Power Ltd | Fluid power distribution and control system |
DE112007002848A5 (de) * | 2006-12-11 | 2009-09-03 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Hydraulik-Schaltungsanordnung zur Ansteuerung einer Hybridkupplung und eines Automatikgetriebes eines Kraftfahrzeuges |
DE102006060351B8 (de) * | 2006-12-20 | 2008-07-24 | Sauer-Danfoss Gmbh & Co Ohg | Hydraulische Schaltungsanordnung mit Energierückgewinnung |
US7634911B2 (en) * | 2007-06-29 | 2009-12-22 | Caterpillar Inc. | Energy recovery system |
WO2012138264A1 (en) * | 2011-04-08 | 2012-10-11 | Volvo Construction Equipment Ab | An arrangement for charging an accumulator |
JP2013193840A (ja) * | 2012-03-19 | 2013-09-30 | Kawasaki Heavy Ind Ltd | デッキクレーン用液圧制御装置 |
JP5985907B2 (ja) * | 2012-07-04 | 2016-09-06 | イーグル工業株式会社 | 流体圧制御装置 |
US9618014B2 (en) * | 2014-02-28 | 2017-04-11 | Caterpillar Inc. | Implement system having hydraulic start assist |
-
2014
- 2014-06-06 JP JP2014118102A patent/JP6368553B2/ja not_active Expired - Fee Related
-
2015
- 2015-06-03 AU AU2015269469A patent/AU2015269469B2/en not_active Expired - Fee Related
- 2015-06-03 WO PCT/JP2015/066090 patent/WO2015186754A1/ja active Application Filing
- 2015-06-03 EP EP15802740.9A patent/EP3106676A4/en not_active Withdrawn
- 2015-06-03 CN CN201580013816.0A patent/CN106104013A/zh active Pending
- 2015-06-03 US US15/125,627 patent/US20170002840A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JP2015230090A (ja) | 2015-12-21 |
EP3106676A1 (en) | 2016-12-21 |
EP3106676A4 (en) | 2017-11-01 |
AU2015269469B2 (en) | 2018-08-30 |
CN106104013A (zh) | 2016-11-09 |
US20170002840A1 (en) | 2017-01-05 |
WO2015186754A1 (ja) | 2015-12-10 |
AU2015269469A1 (en) | 2016-09-29 |
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