CN111412186A - Hydraulic energy intelligent storage and accurate transmission device - Google Patents
Hydraulic energy intelligent storage and accurate transmission device Download PDFInfo
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- CN111412186A CN111412186A CN202010206579.2A CN202010206579A CN111412186A CN 111412186 A CN111412186 A CN 111412186A CN 202010206579 A CN202010206579 A CN 202010206579A CN 111412186 A CN111412186 A CN 111412186A
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- 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
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- 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
- F15B1/08—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor
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- 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
- F15B1/08—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor
- F15B1/22—Liquid port constructions
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- 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
- F15B1/08—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor
- F15B1/24—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with rigid separating means, e.g. pistons
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- 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
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- 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
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
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- 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
- F15B21/02—Servomotor systems with programme control derived from a store or timing device; Control devices therefor
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- 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
- F15B2201/00—Accumulators
- F15B2201/20—Accumulator cushioning means
- F15B2201/205—Accumulator cushioning means using gas
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- 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
- F15B2201/00—Accumulators
- F15B2201/30—Accumulator separating means
- F15B2201/31—Accumulator separating means having rigid separating means, e.g. pistons
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- 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
- F15B2201/00—Accumulators
- F15B2201/40—Constructional details of accumulators not otherwise provided for
- F15B2201/41—Liquid ports
- F15B2201/411—Liquid ports having valve means
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- 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
- F15B2201/00—Accumulators
- F15B2201/40—Constructional details of accumulators not otherwise provided for
- F15B2201/415—Gas ports
- F15B2201/4155—Gas ports having valve means
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- 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
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- 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
- F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
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- 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
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- 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
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- 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)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
A hydraulic energy intelligent storage and accurate transfer device relates to the field of hydraulic energy storage devices. The hydraulic energy intelligent storage and accurate transfer device comprises a piston type energy accumulator, a gas type energy accumulator and a three-position four-way switch valve, wherein gas interfaces of the piston type energy accumulator and the gas type energy accumulator are communicated through a pipeline with the gas switch valve; the three-position four-way switch valve is used for cutting off a liquid interface of the piston type energy accumulator and a liquid interface of the gas type energy accumulator, and enabling the liquid interfaces of the piston type energy accumulator and the gas type energy accumulator to be communicated with the liquid inlet or respectively communicating the liquid interface of the piston type energy accumulator and the liquid interface of the gas type energy accumulator with the liquid inlet and the liquid outlet. The application provides a hydraulic energy intelligent storage and accurate transmission device has the advantage that work is steady and can adjust hydraulic pressure and hold the power size.
Description
Technical Field
The application relates to the field of hydraulic energy storage devices, in particular to a hydraulic energy intelligent storage and accurate transfer device applied to precise hydraulic instrument equipment such as a fine blanking press, a high-precision forging press and a high-speed machine tool.
Background
The energy accumulator is equivalent to a storage element in the hydraulic system, and according to different working conditions of the hydraulic system, when the system needs energy, the energy in the energy accumulator is provided for the system, and when the system has redundant energy, the energy can be transferred into the energy accumulator. The energy accumulator is divided into spring type, heavy load type and gas type according to different loading modes, wherein the gas type energy accumulator is widely applied. However, the gas type energy accumulator has the defect that the magnitude of the stored force is uncontrollable in the actual work, if the working condition is changed, the energy accumulator with different use capacities is needed, so that the energy is wasted, and when the system is changed greatly, the rigidity of the component structure is high, the flexibility is low, the large vibration is caused, the equipment is easy to damage, and the service life is shortened.
Disclosure of Invention
An object of this application is to provide a hydraulic energy intelligent storage and accurate transmission, and it has the advantage that work is steady, energy-conserving and can adjust hydraulic pressure and hold the power size.
The embodiment of the application is realized as follows:
the embodiment of the application provides a hydraulic energy intelligent storage and accurate transfer device, which comprises a piston type energy accumulator, a gas switch valve, a gas type energy accumulator, a liquid switch valve and a three-position four-way switch valve, wherein a gas interface of the piston type energy accumulator is communicated with a gas interface of the gas type energy accumulator through a pipeline with the gas switch valve; the three-position four-way switch valve is configured to be used for respectively blocking the liquid interface of the piston type energy accumulator and the liquid interface of the gas type energy accumulator, enabling the liquid interface of the piston type energy accumulator and the liquid interface of the gas type energy accumulator to be communicated with the liquid inlet or enabling the liquid interface of the piston type energy accumulator to be communicated with the liquid inlet and the liquid interface of the gas type energy accumulator to be communicated with the liquid outlet.
In some alternative embodiments, the piston accumulator and the gas accumulator are arranged in parallel.
In some alternative embodiments, the cross-sectional area of the piston accumulator interior is greater than the cross-sectional area of the gas accumulator interior.
In some alternative embodiments, the gas and liquid interfaces of the piston accumulator and the gas accumulator are both threadedly connected to the pipe.
In some optional embodiments, the device further comprises a controller and a displacement sensor electrically connected with the controller, wherein the controller is electrically connected with the gas switch valve, the liquid switch valve and the three-position four-way switch valve respectively.
In some alternative embodiments, the controller is a P L C controller.
The beneficial effect of this application is: the hydraulic energy intelligent storage and accurate transfer device comprises a piston type energy accumulator, a gas switch valve, a gas type energy accumulator, a liquid switch valve and a three-position four-way switch valve, wherein a gas interface of the piston type energy accumulator is communicated with a gas interface of the gas type energy accumulator through a pipeline with the gas switch valve; the three-position four-way switch valve is configured to be used for respectively cutting off the liquid interface of the piston type energy accumulator and the liquid interface of the gas type energy accumulator, enabling the liquid interface of the piston type energy accumulator and the liquid interface of the gas type energy accumulator to be communicated with the liquid inlet or enabling the liquid interface of the piston type energy accumulator to be communicated with the liquid inlet and the liquid interface of the gas type energy accumulator to be communicated with the liquid outlet. The hydraulic energy intelligent storage and accurate transfer device that this embodiment provided has the advantage that work is steady, energy-conserving and can adjust hydraulic pressure and hold the power size.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural diagram of an intelligent hydraulic energy storage and precise hydraulic energy transmission device provided in an embodiment of the present application.
In the figure: 100. a piston accumulator; 110. a gas switching valve; 120. a gas accumulator; 130. a liquid switching valve; 140. a three-position four-way switch valve; 150. a controller; 160. a displacement sensor; 170. a gas connection pipe; 180. a first fluid connection conduit; 190. a second fluid is connected to the conduit.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when in use, and are used only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The features and performance of the intelligent hydraulic energy storage and precision transfer device of the present application are described in further detail below with reference to embodiments.
As shown in fig. 1, the present embodiment provides a hydraulic energy intelligent storage and precise transfer device, which includes a piston accumulator 100, a gas switch valve 110, a gas accumulator 120, a liquid switch valve 130, a three-position four-way switch valve 140, a controller 150 and a displacement sensor 160, wherein the controller 150 is electrically connected to the displacement sensor 160, the gas switch valve 110, the liquid switch valve 130 and the three-position four-way switch valve 140 respectively, the controller 150 is a P L C controller, the gas interface of the piston accumulator 100 and the gas interface of the gas accumulator 120 are communicated through a gas connection pipe 170 having the gas switch valve 110, the liquid interface of the piston accumulator 100 and the a interface of the three-position four-way switch valve 140 are communicated through a first liquid connection pipe 180, the liquid interface of the gas accumulator 120 and the B interface of the three-position four-way switch valve 140 are communicated through a second liquid connection pipe 190 having the liquid switch valve 130, the gas interface and the liquid interface of the piston accumulator 100 and the gas interface of the gas accumulator 120 and the liquid interface of the gas accumulator 120 are communicated with the gas connection pipe 170, the gas connection pipe 180, the piston accumulator 120 and the liquid interface of the piston accumulator 120 are connected to the piston accumulator 120 through a gas connection pipe 120, the gas connection pipe 120 and the liquid connection pipe 120, the piston accumulator 120 are connected to connect the piston accumulator 100 and the piston accumulator 120 in parallel to the piston accumulator 120, the piston accumulator 120 to connect the piston accumulator 100 and the piston accumulator 120 to connect the liquid interface to the piston accumulator 100 to connect the liquid interface to the piston accumulator 120 to connect the liquid interface to connect the liquid interface to the liquid switch valve 120, and the piston accumulator 100 to the piston accumulator 120.
When the hydraulic energy intelligent storage and accurate transfer device provided by the embodiment of the application operates, an operator can adjust the liquid storage amount and the energy storage size by controlling the communication and the cut-off of the gas switch valve 110 and the liquid switch valve 130 and controlling different stations of the three-position four-way switch valve 140.
Wherein, when the liquid inlet and the liquid outlet of the three-position four-way switch valve 140 feed liquid:
when the gas switch valve 110 and the liquid switch valve 130 are both controlled to be communicated and the three-position four-way switch valve 140 is controlled to be positioned at the first station, the gas interface of the piston type energy accumulator 100 is communicated with the gas interface of the gas type energy accumulator 120, the liquid interface of the piston type energy accumulator 100 and the liquid interface of the gas type energy accumulator 120 are both communicated with the liquid inlet and the system, and the liquid inlet process can effectively improve the pre-charging pressure of the piston type energy accumulator 100, increase the liquid storage amount and store energy. When the three-position four-way switch valve 140 is controlled to be positioned at the second station, the gas interface of the piston type energy accumulator 100 is communicated with the gas interface of the gas type energy accumulator 120, the liquid interface of the piston type energy accumulator 100 is communicated with the liquid inlet and the system, the liquid interface of the gas type energy accumulator 120 is communicated with the liquid outlet and the oil cylinder, the liquid inlet process can effectively increase the liquid storage amount and the energy storage of the piston type energy accumulator 100, and the piston type energy accumulator 100 can achieve the maximum energy storage amount and the maximum liquid storage amount.
When the gas switch valve 110 is controlled to be communicated and the liquid switch valve 130 is controlled to be cut off, no matter whether the three-position four-way switch valve 140 is positioned at the first station or the second station, the gas interface of the piston type energy accumulator 100 is communicated with the gas interface of the gas type energy accumulator 120, the liquid interface of the piston type energy accumulator 100 is communicated with the system, the liquid interface of the gas type energy accumulator 120 is disconnected independently, and the liquid storage capacity and the energy storage capacity of the piston type energy accumulator 100 can be adjusted in the liquid inlet process.
When the gas switch valve 110 is controlled to be cut off, the liquid switch valve 130 is communicated, and the three-position four-way switch valve 140 is controlled to be positioned at the first station, the gas interface of the piston type energy accumulator 100 and the gas interface of the gas type energy accumulator 120 are cut off, the liquid interface of the piston type energy accumulator 100 and the liquid interface of the gas type energy accumulator 120 are both communicated with the system, the liquid inlet process can respectively store liquid and store energy for the piston type energy accumulator 100 and the gas type energy accumulator 120, and the piston type energy accumulator 100 and the gas type energy accumulator 120 are enabled to realize a mutually matched and parallel structure. When the three-position four-way switch valve 140 is controlled to be positioned at the second station, the gas interface of the piston type energy accumulator 100 and the gas interface of the gas type energy accumulator 120 are cut off, the liquid interface of the piston type energy accumulator 100 is communicated with the system, the liquid interface of the gas type energy accumulator 120 is communicated with the oil cylinder, and the liquid inlet process enables the piston type energy accumulator 100 to normally work and store energy under the conditions of low energy and low hydraulic pressure.
When the gas switch valve 110 and the liquid switch valve 130 are controlled to be cut off, no matter whether the three-position four-way switch valve 140 is located at the first station or the second station, the gas interface of the piston type energy accumulator 100 and the gas interface of the gas type energy accumulator 120 are cut off, the liquid interface of the piston type energy accumulator 100 is communicated with the system, the liquid interface of the gas type energy accumulator 120 is cut off independently, and the piston type energy accumulator 100 can be normally stored with liquid and stored with energy in the liquid inlet process.
In addition, when the liquid inlet and the liquid outlet of the three-position four-way switch valve 140 are out of the liquid:
when the control gas switch valve 110 and the liquid switch valve 130 are communicated and the control three-position four-way switch valve 140 is positioned at the first station, the gas interface of the piston type energy accumulator 100 is communicated with the gas interface of the gas type energy accumulator 120, the liquid interface of the piston type energy accumulator 100 and the liquid interface of the gas type energy accumulator 120 are both communicated with the liquid inlet, and the communicated gas chambers of the piston type energy accumulator 100 and the gas type energy accumulator 120 can provide huge liquid flow instantly to realize the function of quick function. When the three-position four-way switch valve 140 is controlled to be positioned at the second station, the liquid interface of the piston accumulator 100 is communicated with the liquid inlet and the system, the liquid interface of the gas accumulator 120 is communicated with the liquid outlet and the oil cylinder, and at the moment, the liquid flow and the output pressure of the piston accumulator 100 can be adjusted.
When the gas switch valve 110 is controlled to be connected and the liquid switch valve 130 is controlled to be disconnected, no matter whether the three-position four-way switch valve 140 is located at the first station or the second station, the gas interface of the piston type energy accumulator 100 and the gas interface of the gas type energy accumulator 120 are both connected, the liquid interface of the piston type energy accumulator 100 is connected with the system, the liquid interface of the gas type energy accumulator 120 is disconnected independently, and the piston type energy accumulator 100 outputs liquid flow and pressure normally.
When the gas switch valve 110 is controlled to be cut off, the liquid switch valve 130 is communicated, and the three-position four-way switch valve 140 is controlled to be positioned at the first station, the gas interface of the piston type energy accumulator 100 and the gas interface of the gas type energy accumulator 120 are cut off and are independent, the liquid interface of the piston type energy accumulator 100 and the liquid interface of the gas type energy accumulator 120 are both communicated with the system, and the independent gas chambers of the piston type energy accumulator 100 and the gas type energy accumulator 120 can provide huge liquid flow instantly, so that liquid flow and pressure can be output quickly. When the three-position four-way switch valve 140 is controlled to be positioned at the second station, the gas interface of the piston type energy accumulator 100 and the gas interface of the gas type energy accumulator 120 are cut off and independent, the liquid interface of the piston type energy accumulator 100 is communicated with the system, the liquid interface of the gas type energy accumulator 120 is communicated with the oil cylinder, and only the piston type energy accumulator 100 is communicated with the system, so that the function of outputting liquid flow and pressure by independently completing the piston type energy accumulator 100 and the gas type energy accumulator 120 is realized.
When the gas switch valve 110 and the liquid switch valve 130 are controlled to be cut off, no matter whether the three-position four-way switch valve 140 is located at the first station or the second station, the gas interface of the piston type energy accumulator 100 and the gas interface of the gas type energy accumulator 120 are cut off, the liquid interface of the piston type energy accumulator 100 is communicated with the system, the liquid interface of the gas type energy accumulator 120 is cut off independently, and the piston type energy accumulator 100 outputs liquid flow and pressure normally and independently.
When the three-position four-way switch valve 140 is located at the third station, the liquid interface of the piston type energy accumulator 100 and the liquid interface of the gas type energy accumulator 120 are both cut off, and the hydraulic energy intelligent storage and precise transmission device stops working.
Meanwhile, the displacement signal is transmitted to the controller 150 through the displacement sensor 160, so that the controller 150 controls the connection and disconnection of the gas switch valve 110 and the liquid switch valve 130 and controls different stations of the three-position four-way switch valve 140 according to different displacement conditions, so as to adjust different liquid storage amounts and energy storage sizes of the piston type energy accumulator 100, and the piston type energy accumulator has extremely high precision and running stability, can be applied to precision hydraulic equipment such as a precision punching machine, a high-precision forging press, a high-speed machine tool and the like, and can greatly reduce the vibration abrasion of the equipment due to the effect that the energy storage capacity can be adjusted by the intelligent hydraulic energy storage and precision transmission device, and has an obvious energy-saving effect.
The embodiments described above are some, but not all embodiments of the present application. The detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Claims (6)
1. The intelligent hydraulic energy storage and accurate transmission device is characterized by comprising a piston type energy accumulator, a gas switch valve, a gas type energy accumulator, a liquid switch valve and a three-position four-way switch valve, wherein a gas interface of the piston type energy accumulator is communicated with a gas interface of the gas type energy accumulator through a pipeline with the gas switch valve; the three-position four-way switch valve is configured to be used for respectively cutting off a liquid interface of the piston type energy accumulator and a liquid interface of the gas type energy accumulator, enabling the liquid interface of the piston type energy accumulator and the liquid interface of the gas type energy accumulator to be communicated with the liquid inlet or enabling the liquid interface of the piston type energy accumulator to be communicated with the liquid inlet and the liquid interface of the gas type energy accumulator to be communicated with the liquid outlet.
2. The intelligent hydraulic energy storage and precision transfer apparatus of claim 1, wherein the piston accumulator and the gas accumulator are arranged in parallel.
3. The intelligent hydraulic energy storage and precision transfer apparatus of claim 1, wherein the cross-sectional area of the piston accumulator bore is greater than the cross-sectional area of the gas accumulator bore.
4. The intelligent hydraulic energy storage and precise hydraulic energy transfer device of claim 1, wherein the gas and liquid interfaces of the piston accumulator and the gas accumulator are both in threaded connection with a pipeline.
5. The intelligent hydraulic energy storage and precise hydraulic energy transfer device of claim 1, further comprising a controller and a displacement sensor electrically connected with the controller, wherein the controller is electrically connected with the gas switch valve, the liquid switch valve and the three-position four-way switch valve respectively.
6. The intelligent hydraulic energy storage and precision transfer device of claim 5, wherein the controller is a P L C controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010206579.2A CN111412186A (en) | 2020-03-23 | 2020-03-23 | Hydraulic energy intelligent storage and accurate transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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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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Application publication date: 20200714 |