CN102322461A - Hydraulic actuating mechanism and method for recycling energy - Google Patents
Hydraulic actuating mechanism and method for recycling energy Download PDFInfo
- Publication number
- CN102322461A CN102322461A CN201110314368A CN201110314368A CN102322461A CN 102322461 A CN102322461 A CN 102322461A CN 201110314368 A CN201110314368 A CN 201110314368A CN 201110314368 A CN201110314368 A CN 201110314368A CN 102322461 A CN102322461 A CN 102322461A
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- oil
- hydraulic cylinder
- individual event
- event valve
- 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.)
- Granted
Links
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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/14—Energy-recuperation means
-
- 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
- F15B2211/20507—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
- F15B2211/2053—Type of pump
- F15B2211/20546—Type of pump variable 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
- F15B2211/2053—Type of pump
- F15B2211/20569—Type of pump capable of working as pump and 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
- F15B2211/27—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
- F15B2211/60—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
- F15B2211/70—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
-
- 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)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Actuator (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a hydraulic actuating mechanism and method for recycling energy. The actuating mechanism comprises an electric power storage device, a motor controller, a motor, an element, a first hydraulic control one-way valve, a second hydraulic control one-way valve, a hydraulic cylinder and a hydraulic oil tank. The hydraulic actuating mechanism and method for recycling energy can be used for converting the electric energy stored in the electric power storage device to the kinetic energy of the hydraulic piston rod and also converting the kinetic energy of the hydraulic piston rod to the electric energy stored in the electric power storage device so as to achieve the purposes of recycling energy and saving resources. The hydraulic actuating mechanism and method for recycling energy have a favorable application prospect on engineering machinery in the technical field of engineering.
Description
Technical field
Patent of the present invention relates to a kind of hydraulic actuator and manner of execution of engineering machinery, is specifically related to a kind of energy recuperable engineering machinery hydraulic actuator and manner of execution.
Background technique
Under the technical specifications, the various engineering machinery that are used for engineering construction mainly are made up of drive unit, traveling gear, equipment, control gear and operator cabin in modern times.Wherein drive unit is the power source of engineering machinery, generally comprises motor and oil hydraulic pump.Motor is the core component of drive unit, thereby advances, retreats for whole engineering machinery provides power and drives hydraulic pump works output hydraulic oil driving hydraulic cylinder piston rod.Hydraulic cylinder piston rod advances, retreats the device action that can push the work forward.Operator cabin is taken the space for operator provide, and the supporting control device such as controller, manipulating box that are provided with of portion supply operator to control engineering machinery within it.
When the equipment of this type engineering machinery was worked, there was passive situation about moving forward and backward in hydraulic cylinder piston rod under certain condition; In this case, normally the potential energy of equipment changes into the hydraulic pressure ability, if this part energy can reclaim, and the saves valuable energy.But the equipment of existing engineering machinery still can not accomplish to potential energy change into hydraulic pressure can the back to the recovery of this part energy.
Summary of the invention
Technical problem to be solved by this invention provides the recyclable hydraulic actuator of a kind of energy.Through using this system, energy both can the electric energy from be stored in electric accumulator be converted into the kinetic energy of hydraulic cylinder piston rod, also can transform into electrical power storage from the kinetic energy of hydraulic cylinder piston rod electric energy storage device.
For achieving the above object, the technological scheme that the present invention adopts is:
The recyclable hydraulic actuator of a kind of energy, by electric energy storage device, electric machine controller, motor, element, the first hydraulic control individual event valve, the second hydraulic control individual event valve and oil hydraulic cylinder constitute, and wherein electric energy storage device and motor are electrically connected, and electric machine controller and motor are electrically connected; This actuator also comprises a hydraulic oil container, and said motor links to each other with said element is coaxial, and the said first hydraulic control individual event valve, the said second hydraulic control individual event valve and said hydraulic oil container are formed feed circuit jointly; Said element filler opening and oil outlet are connected the big chamber and the loculus of said oil hydraulic cylinder respectively through oil pipe; One end of the said second hydraulic control individual event valve is connected with the filler opening of the big chamber of said oil hydraulic cylinder and said element, and the other end is connected with said hydraulic oil container with an end of the said first hydraulic control individual event valve; One end of the said first hydraulic control individual event valve is connected with the oil outlet of the loculus of said oil hydraulic cylinder and said element, and the other end is connected with said hydraulic oil container with an end of the said second hydraulic control individual event valve.
The above-mentioned recyclable hydraulic actuator of a kind of energy, wherein said element are to regulate through control swash plate angle.
The manner of execution of the above-mentioned recyclable hydraulic actuator of energy; Wherein: when said hydraulic cylinder piston rod initiatively advances; Under the control of said electric machine controller, the big chamber that high voltage control oil gets into said oil hydraulic cylinder is got in the said element rotation of said driven by motor; Thereby the said first hydraulic control individual event valve is opened, and the hydraulic oil in the hydraulic oil container adds in the loop.
The manner of execution of the above-mentioned recyclable hydraulic actuator of energy; Wherein: when said hydraulic cylinder piston rod is initiatively retreated; Under the control of said electric machine controller; The said element of said motor driving is got the loculus that high voltage control oil gets into said oil hydraulic cylinder, and high voltage control oil is opened the said second hydraulic control individual event valve, and part hydraulic oil flows back to said hydraulic oil container.
The manner of execution of the above-mentioned recyclable hydraulic actuator of energy; Wherein: when said hydraulic cylinder piston rod is passive under external force when retreating; The main axis rotation of the big chamber of said oil hydraulic cylinder high voltage control oil driving element; High voltage control oil is opened the said first hydraulic control individual event valve, and part hydraulic oil flows back to said hydraulic oil container, and part hydraulic oil is inhaled into said oil hydraulic cylinder loculus.
The manner of execution of the above-mentioned recyclable hydraulic actuator of energy; Wherein: when said hydraulic cylinder piston rod is passive under external force when advancing; The main axis rotation of said oil hydraulic cylinder loculus high voltage control oil driving element; High voltage control oil is opened the said second hydraulic control individual event valve, and the hydraulic oil in the said hydraulic oil container adds in the loop.
Description of drawings
Fig. 1 is the structure principle chart of patent of the present invention;
Fig. 2 is first kind of executive mode intention of patent of the present invention;
Fig. 3 is second kind of executive mode schematic representation of patent of the present invention;
Fig. 4 is the 3rd clock executive mode schematic representation of patent of the present invention;
Fig. 5 is the 4th kind of executive mode schematic representation of patent of the present invention.
Embodiment
The embodiment of patent of the present invention is provided below in conjunction with accompanying drawing:
Like Fig. 1 and the recyclable hydraulic actuator of energy; By electric energy storage device 1, electric machine controller 2, motor 3, element 4, the first hydraulic control individual event valve 5; The second hydraulic control individual event valve 8 constitutes with oil hydraulic cylinder 7, and wherein electric energy storage device 1 is electrically connected with motor 3, and electric machine controller 2 is electrically connected with motor 3; This actuator also comprises a hydraulic oil container 6, motor 3 and 4 coaxial linking to each other of element, and the first hydraulic control individual event valve 5, the second hydraulic control individual event valve 8 and hydraulic oil container 6 be common forms feed circuits; Element 4 filler openings and oil outlet are connected the big chamber and the loculus of oil hydraulic cylinder 7 respectively through oil pipe; One end of the second hydraulic control individual event valve 8 is connected with the filler opening of the big chamber of oil hydraulic cylinder 7 and element 4, and the other end is connected with hydraulic oil container 6 with an end of the first hydraulic control individual event valve 5; One end of the first hydraulic control individual event valve 5 is connected with the oil outlet of the loculus of oil hydraulic cylinder 7 and element 4, and the other end is connected with hydraulic oil container 6 with an end of the second hydraulic control individual event valve 8.
Working principle is earlier as shown in Figure 2, and when the piston rod of oil hydraulic cylinder 7 need initiatively advance, motor 3 was under the control of electric machine controller 2; The electric energy that stores in the electric energy storage device 1 is converted into rotation function; Driving element 4 is got the big chamber that high pressure oil gets into oil hydraulic cylinder 7, and high voltage control oil is opened the first hydraulic control individual event valve 5, and the hydraulic oil that hydraulic oil container is 6 li adds in the loop; The flow direction of hydraulic oil is shown in black arrow among Fig. 2, and energy flows along hollow arrow direction shown in Figure 2.
The recyclable hydraulic actuator of energy as shown in Figure 3; When the piston rod of oil hydraulic cylinder 7 need initiatively be retreated; Motor 3 is converted into rotation function with the electric energy that stores in the electric energy storage device 1 under the control of electric machine controller 2, driving element 4 is got the loculus that high pressure oil gets into oil hydraulic cylinder 7; High voltage control oil is opened the second hydraulic control individual event valve 8, and part hydraulic oil flows back to hydraulic oil container 6; The flow direction of hydraulic oil is shown in black arrow among Fig. 3, and energy flows along hollow arrow direction shown in Figure 3.
The recyclable hydraulic actuator of energy as shown in Figure 4; When under the effect of piston rod in external force of oil hydraulic cylinder 7 during passive retreating; The main axis rotation of oil hydraulic cylinder 7 big chamber high pressure oil driving elements 4, high voltage control oil is opened the first hydraulic control individual event valve 5, and part hydraulic oil flows back to hydraulic oil container 6; Part hydraulic oil is inhaled into oil hydraulic cylinder 7 loculuses, and hydraulic oil flows direction shown in black arrow among Fig. 4; The rotary main shaft drive motor 3 rotary main shafts rotation of element 4 is converted into power storage in electric energy storage device 1 at this rotation function under the control of electric machine controller 2, and energy flows along Fig. 4 hollow core direction of arrow.
The recyclable hydraulic actuator of energy as shown in Figure 5; When under the effect of piston rod in external force of oil hydraulic cylinder 7 during passive advancing; The main axis rotation of oil hydraulic cylinder 7 loculus high pressure oil driving elements 4; High voltage control oil is opened the second hydraulic control individual event valve 8, and the hydraulic oil that hydraulic oil container is 6 li adds in the loop, and hydraulic oil flows direction shown in black arrow among Fig. 5; The rotary main shaft drive motor 3 rotary main shafts rotation of element 4 is converted into power storage in electric energy storage device 1 at this rotation function under the control of electric machine controller 2, and energy flows along Fig. 5 hollow core direction of arrow.
More than specific embodiment of the present invention is described in detail, but the present invention is not restricted to the specific embodiment of above description, it is just as example.To those skilled in the art, any equivalent modifications that this invention is carried out with substitute also all among category of the present invention.Therefore, not breaking away from impartial conversion and the modification of having done under the spirit and scope of the present invention, all should contain within the scope of the invention.
Claims (6)
1. recyclable hydraulic actuator of energy; Constitute by electric energy storage device (1), electric machine controller (2), motor (3), element (4), the first hydraulic control individual event valve (5), the second hydraulic control individual event valve (8) and oil hydraulic cylinder (7); Wherein electric energy storage device (1) and motor (3) are electrically connected; Electric machine controller (2) and motor (3) are electrically connected; It is characterized in that: this actuator also comprises a hydraulic oil container (6), wherein said motor (3) and coaxial linking to each other of said element (4), and the said first hydraulic control individual event valve (5), the said second hydraulic control individual event valve (8) are formed feed circuit jointly with said hydraulic oil container; Said element (4) filler opening and oil outlet are connected the big chamber and the loculus of said oil hydraulic cylinder (7) respectively through oil pipe; One end of said second Pilot operated check valve (8) is connected with the big chamber of said oil hydraulic cylinder (7) and the filler opening of said element (4), and the other end is connected with said hydraulic oil container (6) with an end of said Pilot operated check valve (5); One end of the said first hydraulic control individual event valve (5) is connected with the loculus of said oil hydraulic cylinder (7) and the oil outlet of said element (4), and the other end is connected with said hydraulic oil container (6) with an end of said hydraulic control individual event valve (8).
2. the recyclable hydraulic actuator of a kind of energy according to claim 1 is characterized in that: said element (4) is to regulate through control swash plate angle.
3. the manner of execution of the recyclable hydraulic actuator of energy according to claim 1 or claim 2; It is characterized in that: when said oil hydraulic cylinder (7) piston rod initiatively advances; Under the control of said electric machine controller (2), said motor (3) drives said element (4) rotation, gets the big chamber that high voltage control oil gets into said oil hydraulic cylinder (7); Thereby the said first hydraulic control individual event valve (5) is opened, and the hydraulic oil of said hydraulic oil container (6) lining adds in the loop.
4. the manner of execution of the recyclable hydraulic actuator of energy according to claim 1 or claim 2; It is characterized in that: when said oil hydraulic cylinder (7) piston rod is initiatively retreated; Under the control of said electric machine controller (2); Said motor (3) drives said element (4) and gets the loculus that high voltage control oil gets into said oil hydraulic cylinder (7), and high voltage control oil is opened the said second hydraulic control individual event valve (8), and part hydraulic oil flows back to the said pressure fuel tank of liquid (6).
5. the manner of execution of the recyclable hydraulic actuator of energy according to claim 1 or claim 2; It is characterized in that: when passive under external force the retreating of said oil hydraulic cylinder (7) piston rod; The big chamber of said oil hydraulic cylinder (7) high voltage control oil drives the main axis rotation of said element (4); High voltage control oil is opened the said first hydraulic control individual event valve (5), and part hydraulic oil flows back to said hydraulic oil container (6), and part hydraulic oil is inhaled into said oil hydraulic cylinder (7) loculus.
6. the manner of execution of the recyclable hydraulic actuator of energy according to claim 1 or claim 2; It is characterized in that: when passive under external force the advancing of said oil hydraulic cylinder (7) piston rod; The main axis rotation of said oil hydraulic cylinder (7) loculus high voltage control oil driving element (4); High voltage control oil is opened the said second hydraulic control individual event valve (8), and the hydraulic oil of said hydraulic oil container (6) lining adds in the loop.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110314368.1A CN102322461B (en) | 2011-10-17 | 2011-10-17 | Hydraulic actuating mechanism and method for recycling energy |
| PCT/CN2012/074367 WO2013056545A1 (en) | 2011-10-17 | 2012-04-19 | Energy-recoverable hydraulic actuator and actuating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110314368.1A CN102322461B (en) | 2011-10-17 | 2011-10-17 | Hydraulic actuating mechanism and method for recycling energy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102322461A true CN102322461A (en) | 2012-01-18 |
| CN102322461B CN102322461B (en) | 2014-04-02 |
Family
ID=45450266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110314368.1A Expired - Fee Related CN102322461B (en) | 2011-10-17 | 2011-10-17 | Hydraulic actuating mechanism and method for recycling energy |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102322461B (en) |
| WO (1) | WO2013056545A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013056545A1 (en) * | 2011-10-17 | 2013-04-25 | 湖南三一智能控制设备有限公司 | Energy-recoverable hydraulic actuator and actuating method |
| CN103437395A (en) * | 2013-09-12 | 2013-12-11 | 上海三一重机有限公司 | Hydraulic loop for floating function of working device and excavator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003021104A (en) * | 2001-07-10 | 2003-01-24 | Sumitomo (Shi) Construction Machinery Manufacturing Co Ltd | Hydraulic cylinder driving device for electric closing circuit |
| US20080072589A1 (en) * | 2004-12-21 | 2008-03-27 | Georg Jacobs | Hydraulic Drive |
| US20080152513A1 (en) * | 2006-12-20 | 2008-06-26 | Hans Esders | Hydraulic circuit arrangement with recovery of energy |
| CN101230871A (en) * | 2008-02-27 | 2008-07-30 | 哈尔滨工业大学 | Flywheel energy-accumulating type secondary regulation flux coupling system |
| KR20080107494A (en) * | 2007-06-07 | 2008-12-11 | 울산대학교 산학협력단 | Potential energy recovery apparatus of the hydraulic cylinder and method thereof |
| CN201297307Y (en) * | 2008-11-11 | 2009-08-26 | 浙江大学 | Hydraulic motor energy recycling system used as energy accumulator for hybrid electric engineering machinery |
| CN101680208A (en) * | 2007-05-18 | 2010-03-24 | 沃尔沃建筑设备公司 | A method for recuperating potential energy during a lowering operation of a load |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002081402A (en) * | 2000-09-08 | 2002-03-22 | Taiyo Ltd | Fluid pressure cylinder device |
| JP2003074518A (en) * | 2001-09-05 | 2003-03-12 | Kobelco Contstruction Machinery Ltd | Hydraulic cylinder circuit |
| JP2006336805A (en) * | 2005-06-03 | 2006-12-14 | Shin Caterpillar Mitsubishi Ltd | Control device of work machine |
| CN102439306B (en) * | 2009-04-02 | 2014-12-10 | 胡斯可国际股份有限公司 | Fluid working machine with cylinders coupled to split exterior ports by electrohydraulic valves |
| CN102322461B (en) * | 2011-10-17 | 2014-04-02 | 上海三一重机有限公司 | Hydraulic actuating mechanism and method for recycling energy |
-
2011
- 2011-10-17 CN CN201110314368.1A patent/CN102322461B/en not_active Expired - Fee Related
-
2012
- 2012-04-19 WO PCT/CN2012/074367 patent/WO2013056545A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003021104A (en) * | 2001-07-10 | 2003-01-24 | Sumitomo (Shi) Construction Machinery Manufacturing Co Ltd | Hydraulic cylinder driving device for electric closing circuit |
| US20080072589A1 (en) * | 2004-12-21 | 2008-03-27 | Georg Jacobs | Hydraulic Drive |
| US20080152513A1 (en) * | 2006-12-20 | 2008-06-26 | Hans Esders | Hydraulic circuit arrangement with recovery of energy |
| CN101680208A (en) * | 2007-05-18 | 2010-03-24 | 沃尔沃建筑设备公司 | A method for recuperating potential energy during a lowering operation of a load |
| KR20080107494A (en) * | 2007-06-07 | 2008-12-11 | 울산대학교 산학협력단 | Potential energy recovery apparatus of the hydraulic cylinder and method thereof |
| CN101230871A (en) * | 2008-02-27 | 2008-07-30 | 哈尔滨工业大学 | Flywheel energy-accumulating type secondary regulation flux coupling system |
| CN201297307Y (en) * | 2008-11-11 | 2009-08-26 | 浙江大学 | Hydraulic motor energy recycling system used as energy accumulator for hybrid electric engineering machinery |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013056545A1 (en) * | 2011-10-17 | 2013-04-25 | 湖南三一智能控制设备有限公司 | Energy-recoverable hydraulic actuator and actuating method |
| CN103437395A (en) * | 2013-09-12 | 2013-12-11 | 上海三一重机有限公司 | Hydraulic loop for floating function of working device and excavator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102322461B (en) | 2014-04-02 |
| WO2013056545A1 (en) | 2013-04-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102518169B (en) | Hybrid hydraulic excavator | |
| CN101435451B (en) | Movable arm potential energy recovery method and apparatus of hydraulic excavator | |
| CN103924626B (en) | The energy-saving turntable drive system of electric drive hydraulic crawler excavator and drived control method | |
| CN103452149B (en) | Potential energy recovery hydraulic control device for movable arm of excavator | |
| CN101845837A (en) | The driver that is used for hydraulic crawler excavator | |
| DE102008028547B4 (en) | Mobile working machine | |
| CN101403405A (en) | Energy recovery system of hybrid single-pump multi-execution component engineering machinery | |
| CN104314131B (en) | Excavator control system with oil hybrid power | |
| CN104328817B (en) | A kind of energy-recuperation system | |
| CN102653228A (en) | Series-parallel hybrid power loader | |
| CN102588396A (en) | Oil cylinder energy recovery and regeneration system | |
| CN107235440B (en) | A kind of liquid electricity mixing energy conserving system for lifting mechanism | |
| CN108591193A (en) | Electric hydrostatic actuator system with energy-recuperation system | |
| CN103255790A (en) | Electric hydraulic excavator sharing direct-current bus | |
| CN103697023A (en) | Electro-hydraulic energy recovery and release system for slewing brake of engineering machinery | |
| CN108978774B (en) | Series-parallel hybrid power system for excavator | |
| CN203834553U (en) | Energy-saving rotary table driving system for electrically-driven hydraulic excavator | |
| CN203498888U (en) | Hydraulic control device capable of recovering boom potential energy of excavator | |
| CN107923131A (en) | Track machine | |
| CN204803957U (en) | Loader hydraulic system | |
| CN102322461A (en) | Hydraulic actuating mechanism and method for recycling energy | |
| CN201288721Y (en) | Energy recovery system of mixed power single-valve multiple actuator assembly | |
| CN103437392B (en) | Hybrid power hydraulic excavator system and using method | |
| CN204456264U (en) | A kind of excavator and hydraulic power system thereof | |
| CN202416431U (en) | Hybrid hydraulic excavator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20171017 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |