CN107084162A - A kind of input-output characteristic controllable hydraulic energy storage equipment - Google Patents
A kind of input-output characteristic controllable hydraulic energy storage equipment Download PDFInfo
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- CN107084162A CN107084162A CN201710346629.5A CN201710346629A CN107084162A CN 107084162 A CN107084162 A CN 107084162A CN 201710346629 A CN201710346629 A CN 201710346629A CN 107084162 A CN107084162 A CN 107084162A
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- Prior art keywords
- interface
- port
- energy storage
- input
- output characteristic
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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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/04—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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
-
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
-
- 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
- F15B21/08—Servomotor systems incorporating electrically operated control means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Abstract
The present invention relates to a kind of input-output characteristic controllable hydraulic energy storage equipment, including gas type hydraulic accumulator and fuel tank, gas type hydraulic accumulator fluidic interface is communicated to three-way pipe first port, gas interface is communicated to single action pneumatic cylinder gas source interface by tracheae, three-way pipe second port is the liquid in-out mouthful of whole device, tracheae is provided with stop valve, single action pneumatic cylinder piston rod is connected to single acting hydraulic cylinder piston rod, single acting hydraulic cylinder liquid source interface, the port of three-way pipe the 3rd and fuel tank are communicated to 3-position-3-way solenoid valve B interface by oil pipe respectively, A interfaces and T interfaces, three kinds of seat in the plane states of 3-position-3-way solenoid valve are respectively B interface and A orifices, B interface is not only connected with T orifices and three, the port of three-way pipe the 3rd is provided with hydrostatic sensor, 3-position-3-way solenoid valve and hydrostatic sensor are respectively connecting to controller.The device can control the input-output characteristic of gas type hydraulic accumulator, allow hand over different energy storage capabilities.
Description
Technical field
The present invention relates to a kind of hydraulic accumulating device, and in particular to a kind of input-output characteristic controllable hydraulic accumulation of energy dress
Put.
Background technology
Hydraulic accumulator it is most widely used be gas type hydraulic accumulator, gas type hydraulic accumulator using Boyle's law as
Principle, completes energy by compressed gas and converts, be filled with the gas of predetermined pressure when using to accumulator first, work as system pressure
During more than accumulator internal pressure, the pressure in fluid is converted into gas internal energy by fluid compressed gas, when system pressure is less than
During accumulator internal pressure, the oil in accumulator flows to external system in the presence of gases at high pressure, releases energy.Gas type liquid
Pressure accumulator can also be subdivided into pipe attenuator, gas-liquid direct-contact, piston type, diaphragm type, gasbag-type etc..
Gas type hydraulic accumulator is in real work, during output (tapping), and the fluid in accumulator in a flash will be complete
Portion discharges, and under the impact of hydraulic oil, the motion of the Hydraulic Elements such as hydraulic pressure valve core is completely uncontrollable, causes system greatly to shake
It is dynamic;When inputting (feed liquor), fluid rapidly enters accumulator compressed gas and carries out accumulation of energy, and accumulation of energy reaches and can not further stored after the upper limit
During energy, it can only select to change the accumulator of more Large Copacity, it is impossible to require the different energy storage capabilities of switching according to different accumulation of energys.Cause
This, there is the problem of input-output characteristic is uncontrollable can not to be switched with energy storage capability in existing gas type hydraulic accumulator.
The content of the invention
It is an object of the invention to provide a kind of input-output characteristic controllable hydraulic energy storage equipment, the device can be controlled
The input-output characteristic of gas type hydraulic accumulator, allows hand over different energy storage capabilities.
The technical solution adopted in the present invention is:
A kind of input-output characteristic controllable hydraulic energy storage equipment, including gas type hydraulic accumulator and fuel tank, gas type
The fluidic interface of hydraulic accumulator is communicated to the gas that three-way pipe first port, gas interface are communicated to single action pneumatic cylinder by tracheae
Source interface, three-way pipe second port is the liquid in-out mouthful of whole device, and tracheae is provided with stop valve, the piston rod of single action pneumatic cylinder
The piston rod of single acting hydraulic cylinder is connected to, liquid source interface, the port of three-way pipe the 3rd and the fuel tank of single acting hydraulic cylinder pass through oil respectively
Pipe is communicated to the B interface of 3-position-3-way solenoid valve, A interfaces and T interfaces, and three kinds of seat in the plane states of 3-position-3-way solenoid valve are respectively
B interface is not only only connected with A orifices, B interface with T orifices and three, and the port of three-way pipe the 3rd is provided with hydraulic pressure
Sensor, 3-position-3-way solenoid valve and hydrostatic sensor are respectively connecting to controller.
Further, the port of three-way pipe the 3rd is less than other two port.
Further, single action pneumatic cylinder and single acting hydraulic cylinder are on a vertical curve and flat with gas type hydraulic accumulator
OK, tracheae is horizontal between gas type hydraulic accumulator and single action pneumatic cylinder.
Further, the piston rod end of single action pneumatic cylinder and the piston rod end of single acting hydraulic cylinder are respectively provided with phase
Connect fixed flange.
Further, three ports at the two ends and three-way pipe of tracheae and oil pipe are external by screw thread.
Further, single action pneumatic cylinder and single acting hydraulic cylinder distinguish air tight and oil-proof in 1-2min under high pressure.
Further, controller is PLC.
The beneficial effects of the invention are as follows:
When stop valve is closed, due to the source of the gas not external equipment, therefore only keep the defeated of itself of gas type hydraulic accumulator
Enter-output characteristics, 3-position-3-way solenoid valve is in A interfaces, B interface and do not connected with T interfaces (during three two-way electromagnetic valves are in
Position) seat in the plane state when, due to the liquid source not external equipment of gas type hydraulic accumulator and single acting hydraulic cylinder, thus only keep from
The input-output characteristic of body.
After stop valve is opened, during liquid in-out mouthful feed liquor, hydrostatic sensor by the pressure signal transmission detected to controller,
Controller can control 3-position-3-way solenoid valve to be in different seat in the plane states, if B interface and A orifice (3-position-3-ways
Magnetic valve is in right position), then the liquid source interface of single acting hydraulic cylinder and three-way pipe bypass section port are connected, now single acting hydraulic cylinder
The piston of piston and single acting hydraulic cylinder can be moved along Impact direction, be connect by switching to 3-position-3-way solenoid valve in A interfaces, B
Mouth does not connect the seat in the plane state of (three two-way electromagnetic valves are in middle position) with T interfaces, can control the piston of single acting hydraulic cylinder
With the position of the piston of single acting hydraulic cylinder, and then change gas type hydraulic accumulator gas storage volume and gas storage pressure, so as to change
Become input characteristics;If B interface and T orifices (3-position-3-way solenoid valve is in left position), the liquid source of single acting hydraulic cylinder connects
Mouth is connected with fuel tank, and now the piston of single action pneumatic cylinder can be moved under the resistance without single acting hydraulic cylinder, and gas type hydraulic pressure stores
The gas storage volume increase of energy device, therefore, energy storage capability increase.
After stop valve is opened, when liquid in-out mouthful goes out liquid, hydrostatic sensor by the pressure signal transmission detected to controller,
Controller can control 3-position-3-way solenoid valve to be in different seat in the plane states, if B interface and A orifice (3-position-3-ways
Magnetic valve is in right position), then the liquid source interface of single acting hydraulic cylinder and three-way pipe bypass section port are connected, now single acting hydraulic cylinder
The piston of piston and single acting hydraulic cylinder can be moved along Impact direction, be connect by switching to 3-position-3-way solenoid valve in A interfaces, B
Mouth does not connect the seat in the plane state of (three two-way electromagnetic valves are in middle position) with T interfaces, can control the piston of single acting hydraulic cylinder
With the position of the piston of single acting hydraulic cylinder, and then change gas type hydraulic accumulator gas storage volume and gas storage pressure, so as to change
Varying output characteristics;If B interface and T orifices (3-position-3-way solenoid valve is in left position), the liquid source of single acting hydraulic cylinder connects
Mouth is connected with fuel tank, and now the piston of single action pneumatic cylinder can be moved under the resistance without single acting hydraulic cylinder, and gas type hydraulic pressure stores
The gas storage volume increase of energy device, therefore, goes out flow quantity and slows down.
The device by the interaction of pressure and gas interface pressure at gas type hydraulic accumulator fluidic interface, and
By hydrostatic sensor, controller and 3-position-3-way solenoid valve constitute control loop come control the oil inlet quantity of single acting hydraulic cylinder come
The gas storage pressure and then control input-output characteristics of accumulator are controlled, accuracy is high, can be applied to fine machine, high accuracy forging and stamping
In the precise hydraulic equipment such as machine.The device allows hand over different energy storage capabilities, and energy-saving effect is obvious.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention.
In figure:1- three-way pipes;The fluidic interface of 2- gas type hydraulic accumulators;3- gas type hydraulic accumulators;4- gases
The gas interface of formula hydraulic accumulator;5- tracheaes;6- stop valves;7- single action pneumatic cylinders;8- flanges;9- single acting hydraulic cylinders;10- oil
Pipe;11- 3-position-3-way solenoid valves;12- hydrostatic sensors;13- liquid in-outs mouthful.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
As shown in figure 1, a kind of input-output characteristic controllable hydraulic energy storage equipment, including gas type hydraulic accumulator 3
(gas type hydraulic accumulator 3 includes pipe attenuator, gas-liquid direct-contact, piston type, diaphragm type, gasbag-type etc., in this reality
Apply in example, gas type hydraulic accumulator 3 is bladder accumulator) and fuel tank, the fluidic interface 2 of gas type hydraulic accumulator 3 connects
Pass to the gas source interface that the first port of three-way pipe 1, gas interface 4 are communicated to single action pneumatic cylinder 7 by tracheae 5, three-way pipe 1 second
Port is the liquid in-out mouth 13 of whole device, and tracheae 5 is provided with stop valve 6, and the piston rod of single action pneumatic cylinder 7 is connected to single action liquid
The piston rod of cylinder pressure 9, liquid source interface, the port of three-way pipe 1 the 3rd and the fuel tank of single acting hydraulic cylinder 9 are communicated to by oil pipe 10 respectively
B interface, A interfaces and the T interface of 3-position-3-way solenoid valve 11, three kinds of seat in the plane states of 3-position-3-way solenoid valve 11 are respectively that B connects
Mouth is not only only connected with A orifices, B interface with T orifices and three, and the port of three-way pipe 1 the 3rd is passed provided with hydraulic pressure
Sensor 12,3-position-3-way solenoid valve 11 and hydrostatic sensor 12 are respectively connecting to controller.
When stop valve 6 is closed, due to the source of the gas not external equipment, therefore only keep itself of gas type hydraulic accumulator 3
Input-output characteristic, 3-position-3-way solenoid valve 11 is in A interfaces, B interface and not connected with T interfaces (at three two-way electromagnetic valves
In middle position) seat in the plane state when, due to gas type hydraulic accumulator 3 and the liquid source not external equipment, therefore only of single acting hydraulic cylinder 9
Keep the input-output characteristic of itself.
After stop valve 6 is opened, during 13 feed liquor of liquid in-out mouthful, hydrostatic sensor 12 is by the pressure signal transmission detected to control
Device processed, controller can control 3-position-3-way solenoid valve 11 to be in different seat in the plane states, if B interface and A orifices (three
Position-3-way solenoid valve 11 is in right position), then the liquid source interface of single acting hydraulic cylinder 9 is connected with the bypass section of three-way pipe 1 port, now single
The piston of hydrodynamic cylinder pressure 9 and the piston of single acting hydraulic cylinder 9 can be moved along Impact direction, by switching to 3-position-3-way solenoid valve 11
Do not connect the seat in the plane state of (three two-way electromagnetic valves are in middle position) in A interfaces, B interface and T interfaces, single action can be controlled
The position of the piston of hydraulic cylinder 9 and the piston of single acting hydraulic cylinder 9, so change gas type hydraulic accumulator 3 gas storage volume and
Gas storage pressure, so as to change input characteristics;If B interface and T orifices (3-position-3-way solenoid valve 11 is in left position), single
The liquid source interface of hydrodynamic cylinder pressure 9 is connected with fuel tank, and now the piston of single action pneumatic cylinder 7 can be in the resistance without single acting hydraulic cylinder 9
Lower motion, the gas storage volume increase of gas type hydraulic accumulator 3, therefore, energy storage capability increase.
After stop valve 6 is opened, when liquid in-out mouthful 13 goes out liquid, hydrostatic sensor 12 is by the pressure signal transmission detected to control
Device processed, controller can control 3-position-3-way solenoid valve 11 to be in different seat in the plane states, if B interface and A orifices (three
Position-3-way solenoid valve 11 is in right position), then the liquid source interface of single acting hydraulic cylinder 9 is connected with the bypass section of three-way pipe 1 port, now single
The piston of hydrodynamic cylinder pressure 9 and the piston of single acting hydraulic cylinder 9 can be moved along Impact direction, by switching to 3-position-3-way solenoid valve 11
Do not connect the seat in the plane state of (three two-way electromagnetic valves are in middle position) in A interfaces, B interface and T interfaces, single action can be controlled
The position of the piston of hydraulic cylinder 9 and the piston of single acting hydraulic cylinder 9, so change gas type hydraulic accumulator 3 gas storage volume and
Gas storage pressure, so as to change output characteristics;If B interface and T orifices (3-position-3-way solenoid valve 11 is in left position), single
The liquid source interface of hydrodynamic cylinder pressure 9 is connected with fuel tank, and now the piston of single action pneumatic cylinder 7 can be in the resistance without single acting hydraulic cylinder 9
Lower motion, the gas storage volume increase of gas type hydraulic accumulator 3, therefore, goes out flow quantity and slows down.
The phase interaction that the device passes through pressure at pressure at the fluidic interface 2 of gas type hydraulic accumulator 3 and gas interface 4
With, and single acting hydraulic cylinder 9 is controlled by the control loop of hydrostatic sensor 12, controller and 3-position-3-way solenoid valve 11 composition
Oil inlet quantity control the gas storage pressure and then control input-output characteristics of accumulator, accuracy is high, can be applied to fine machine,
In the precise hydraulic equipment such as high-precision forging press.The device allows hand over different energy storage capabilities, and energy-saving effect is obvious.
As shown in figure 1, in the present embodiment, the port of three-way pipe 1 the 3rd is less than other two port.The end of three-way pipe 1 the 3rd
As bypass port, reduce the flow of bypass as far as possible, it is to avoid main road is impacted.
As shown in figure 1, in the present embodiment, single action pneumatic cylinder 7 and single acting hydraulic cylinder 9 are on a vertical curve and and gas
Formula hydraulic accumulator 3 is parallel, and tracheae 5 is horizontal between gas type hydraulic accumulator 3 and single action pneumatic cylinder 7.The He of single action pneumatic cylinder 7
Single acting hydraulic cylinder 9 is vertically arranged and gas type hydraulic accumulator 3 and single action pneumatic cylinder 7 are flushed, and has saved installing space.
As shown in figure 1, in the present embodiment, the piston rod end of single action pneumatic cylinder 7 and the tailpiece of the piston rod of single acting hydraulic cylinder 9
Portion is respectively provided with the flange 8 being interconnected and fixed.
Requirement of the present invention to sealing is very high, in the present embodiment, the two ends and three-way pipe 1 of tracheae 5 and oil pipe 10
Three ports it is external by screw thread, single action pneumatic cylinder 7 and single acting hydraulic cylinder 9 it is air tight in 1-2min under high pressure respectively and
It is oil-proof.
In the present embodiment, controller is conventional PLC.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (7)
1. a kind of input-output characteristic controllable hydraulic energy storage equipment, it is characterised in that:Including gas type hydraulic accumulator and oil
Case, the fluidic interface of gas type hydraulic accumulator is communicated to three-way pipe first port, gas interface and is communicated to single action by tracheae
The gas source interface of pneumatic cylinder, three-way pipe second port is the liquid in-out mouthful of whole device, and tracheae is provided with stop valve, single action air pressure
The piston rod of cylinder is connected to the piston rod of single acting hydraulic cylinder, liquid source interface, the port of three-way pipe the 3rd and the fuel tank of single acting hydraulic cylinder
The B interface, A interfaces and T interfaces of 3-position-3-way solenoid valve, three kinds of seats in the plane of 3-position-3-way solenoid valve are communicated to by oil pipe respectively
State is respectively that B interface is not only only connected with A orifices, B interface with T orifices and three, the port of three-way pipe the 3rd
Hydrostatic sensor is provided with, 3-position-3-way solenoid valve and hydrostatic sensor are respectively connecting to controller.
2. input-output characteristic controllable hydraulic energy storage equipment as claimed in claim 1, it is characterised in that:Three-way pipe the 3rd
Port is less than other two port.
3. input-output characteristic controllable hydraulic energy storage equipment as claimed in claim 1, it is characterised in that:Single action pneumatic cylinder
On a vertical curve and parallel with gas type hydraulic accumulator with single acting hydraulic cylinder, tracheae is horizontal in gas type hydraulic accumulator
Between single action pneumatic cylinder.
4. input-output characteristic controllable hydraulic energy storage equipment as claimed in claim 1, it is characterised in that:Single action pneumatic cylinder
Piston rod end and the piston rod end of single acting hydraulic cylinder be respectively provided with the flange being interconnected and fixed.
5. input-output characteristic controllable hydraulic energy storage equipment as claimed in claim 1, it is characterised in that:Tracheae and oil pipe
Two ends and three-way pipe three ports it is external by screw thread.
6. input-output characteristic controllable hydraulic energy storage equipment as claimed in claim 1, it is characterised in that:Single action pneumatic cylinder
Distinguish air tight and oil-proof in 1-2min under high pressure with single acting hydraulic cylinder.
7. input-output characteristic controllable hydraulic energy storage equipment as claimed in claim 1, it is characterised in that:Controller is PLC
Controller.
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CN201710346629.5A CN107084162B (en) | 2017-05-12 | 2017-05-12 | A kind of input-output characteristic controllable hydraulic energy storage equipment |
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CN201710346629.5A CN107084162B (en) | 2017-05-12 | 2017-05-12 | A kind of input-output characteristic controllable hydraulic energy storage equipment |
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CN107084162B CN107084162B (en) | 2018-10-09 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111765150A (en) * | 2020-06-11 | 2020-10-13 | 武汉理工大学 | Hydraulic energy intelligent storage and accurate transfer device control system |
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EP0325530A1 (en) * | 1988-01-22 | 1989-07-26 | Olaer Industries | Pressure accumulator with a valve |
DE4117610C1 (en) * | 1991-05-27 | 1992-07-16 | Mannesmann Ag, 4000 Duesseldorf, De | Sealing liq. accumulator for high pressure shaft seals - has emergency servo-valve on outside for connecting inner chamber, filling pump, and reservoir |
CN101476571A (en) * | 2009-01-24 | 2009-07-08 | 燕山大学 | Parameter self-adapting and regulation leather bag type hydraulic accumulator |
CN104455902A (en) * | 2014-10-27 | 2015-03-25 | 燕山大学 | Piezoresistive pressure feedback semi-active broadband shock absorber |
CN105782137A (en) * | 2016-04-22 | 2016-07-20 | 燕山大学 | Ultrahigh-pressure accumulator |
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2017
- 2017-05-12 CN CN201710346629.5A patent/CN107084162B/en active Active
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EP0325530A1 (en) * | 1988-01-22 | 1989-07-26 | Olaer Industries | Pressure accumulator with a valve |
DE4117610C1 (en) * | 1991-05-27 | 1992-07-16 | Mannesmann Ag, 4000 Duesseldorf, De | Sealing liq. accumulator for high pressure shaft seals - has emergency servo-valve on outside for connecting inner chamber, filling pump, and reservoir |
CN101476571A (en) * | 2009-01-24 | 2009-07-08 | 燕山大学 | Parameter self-adapting and regulation leather bag type hydraulic accumulator |
CN104455902A (en) * | 2014-10-27 | 2015-03-25 | 燕山大学 | Piezoresistive pressure feedback semi-active broadband shock absorber |
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Title |
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CN111765150A (en) * | 2020-06-11 | 2020-10-13 | 武汉理工大学 | Hydraulic energy intelligent storage and accurate transfer device control system |
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