CN206290507U - A kind of single-phase hydraulic actuating mechanism and high-voltage switch gear - Google Patents
A kind of single-phase hydraulic actuating mechanism and high-voltage switch gear Download PDFInfo
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- CN206290507U CN206290507U CN201621185789.3U CN201621185789U CN206290507U CN 206290507 U CN206290507 U CN 206290507U CN 201621185789 U CN201621185789 U CN 201621185789U CN 206290507 U CN206290507 U CN 206290507U
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- controller
- phase
- detection means
- voltage switch
- pumping system
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- 230000007246 mechanism Effects 0.000 title claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 43
- 238000005086 pumping Methods 0.000 claims abstract description 24
- 238000006073 displacement reaction Methods 0.000 claims abstract description 13
- 238000005070 sampling Methods 0.000 claims abstract description 6
- 239000002828 fuel tank Substances 0.000 claims description 17
- 238000007689 inspection Methods 0.000 claims 1
- 230000033001 locomotion Effects 0.000 abstract description 5
- 230000033228 biological regulation Effects 0.000 abstract description 3
- 230000009123 feedback regulation Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 28
- 239000010720 hydraulic oil Substances 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
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- Fluid-Pressure Circuits (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The utility model is related to a kind of single-phase hydraulic actuating mechanism and high-voltage switch gear, a kind of single-phase hydraulic actuating mechanism, including hydraulic cylinder, the pumping system connected with the rod chamber and rodless cavity of hydraulic cylinder, detection means for detecting the pressure signal of the displacement signal and/or rod chamber of the piston rod of hydraulic cylinder and the oil pressure of rodless cavity, detection means has signal output part, signal output part is used to be connected with the controller input sampling of controller, pumping system is used to control to be connected to be controlled regulation to the flow in oil circuit with by controller with the controller output end of controller, controller is analyzed contrast treatment by the signal for receiving, and feedback regulation pumping system is adjusted with changing the flow in oil circuit to the movement velocity of piston rod again, ensure that three synchronisms of the single-phase divide-shut brake of high-voltage switch gear.
Description
Technical field
The utility model is related to a kind of single-phase hydraulic actuating mechanism and the high-voltage switch gear using the single-phase hydraulic actuating mechanism.
Background technology
At present, the three-phase ganged mode of existing high-voltage switch gear is typically joined using the electric linked manner of three-phase or three-phase mechanical
Flowing mode, three-phase three independent single-phase hydraulic actuating mechanisms of electric-linked general use control each high-voltage switch gear list respectively
Phase, makes to realize three-phase ganged, each phase hydraulic operating machine by being electrically connected between three hydraulic actuating mechanisms by central console
The output shaft of structure is directly connected with corresponding single-phase high voltage switch.Compared with electric-linked, mechanical linkage is to machining accuracy and peace
Dress required precision is higher, it is necessary to accurately adjusted between three-phase, just can guarantee that the same period of high-voltage switch gear three-phase divide-shut brake
Property.But either three-phase is electric-linked or three phase mechanical linkage, there is a problem of output error, in the prior art also not
Action that can be in real time to each single-phase high voltage switch regulate and control, and cause that the three-phase same period is uncontrollable, and output error is larger.
Utility model content
The purpose of this utility model be provide it is a kind of can the single-phase divide-shut brake speed of each high-voltage switch gear of real-time monitoring simultaneously
The single-phase divide-shut brake speed of each high-voltage switch gear can be adjusted to realize the high-voltage switch gear of high-voltage switch gear three-phase ganged；Meanwhile, this reality
Also resided in new purpose and the single-phase hydraulic actuating mechanism that a kind of high-voltage switch gear is used is provided.
A kind of single-phase hydraulic actuating mechanism of the present utility model is adopted the following technical scheme that：A kind of single-phase hydraulic operating machine
Structure, including hydraulic cylinder and the pumping system that is connected with the rod chamber and rodless cavity of hydraulic cylinder, also including the work for detecting hydraulic cylinder
The detection means of the pressure signal of the displacement signal and/or rod chamber of stopper rod and the oil pressure of rodless cavity, each detection means is respectively provided with
Signal output part is used for controller input corresponding with controller sampling connection, and pumping system is used to be connected with controller control
The output flow of pumping system is adjusted with by controller.
The pumping system includes motor and flow pump, and flow pump is double-action variable pump, and detection means also includes being used for
The variable pump flow rate detection apparatus of flow at detection flows pump discharge.
The motor is rotating speed adjustable motor, and detection means also includes the motor speed for detecting motor speed
Detection means.
The single-phase hydraulic actuating mechanism also include for oil circuit repairing or oil passage oil return fuel tank, fuel tank with have bar
Connected by hydraulic control one-way valve on the oil circuit of chamber connection and on the oil circuit that is connected with rodless cavity of fuel tank.
A kind of high-voltage switch gear of the present utility model is adopted the following technical scheme that：A kind of high-voltage switch gear, including three high press off
The single-phase and single-phase single-phase hydraulic actuating mechanism of the corresponding high-voltage switch gear of control is closed, each single-phase hydraulic actuating mechanism includes hydraulic cylinder
And the pumping system connected with the rod chamber and rodless cavity of hydraulic cylinder, also including the displacement signal of the piston rod for detecting hydraulic cylinder
And/or the detection means of the pressure signal of the oil pressure of rod chamber and rodless cavity, each detection means is respectively provided with signal output part to be used for
Controller input sampling connection corresponding with controller, pumping system is used to be connected with by controller pair with controller control
The output flow of pumping system is adjusted.
The pumping system includes motor and flow pump, and flow pump is double-action variable pump, and detection means also includes being used for
The variable pump flow rate detection apparatus of flow at detection flows pump discharge.
The motor is rotating speed adjustable motor, and detection means also includes the motor speed for detecting motor speed
Detection means.
The single-phase hydraulic actuating mechanism also include for oil circuit repairing or oil passage oil return fuel tank, fuel tank with have bar
Connected by hydraulic control one-way valve on the oil circuit of chamber connection and on the oil circuit that is connected with rodless cavity of fuel tank.
The beneficial effects of the utility model are：The sampling of controller and detection means be connected, by the displacement signal of piston rod with/
Or the pressure signal of the rod chamber of hydraulic cylinder and rodless cavity passes to controller in real time, controller these signals are analyzed with
Treatment, controller is connected with pumping system control, and the signal that controller passes through to receive is analyzed contrast treatment feedback regulation again
Pumping system is adjusted with changing the flow in oil circuit to the movement velocity of piston rod, it is ensured that three single-phase divisions of high-voltage switch gear
The synchronism of lock.
Brief description of the drawings
Fig. 1 is a kind of structural representation of one embodiment of high-voltage switch gear of the present utility model.
Specific embodiment
A kind of high-voltage switch gear, including three high-voltage switch gears are single-phase, single-phase hydraulic pressure for controlling three high-voltage switch gears single-phase
Operating mechanism 5 and the controller 2 that is connected is controlled with each single-phase hydraulic actuating mechanism 5, the control of controller 2 is connected with the He of power supply 3
Host computer 1, each high-voltage switch gear is single-phase to include switch module 4, and single-phase hydraulic actuating mechanism 5 includes hydraulic cylinder 12 and hydraulic cylinder
Flow pump, the motor of drive flow pump work and detection means 6 that 12 rod chamber and rodless cavity is all connected with, switch module 4
Piston rod with hydraulic cylinder is connected, and motor is rotating speed adjustable motor 7, and flow pump is double-action variable pump 8, detection
Device includes rod chamber oil pressure detection devices 14, the rodless cavity oil for detecting rodless cavity oil pressure for detecting rod chamber oil pressure
It is pressure detection means 17, the variable pump flow rate detection apparatus 15 for detecting the rate of discharge of double-action variable pump 8, corresponding for detecting
The angular displacement of rotating speed adjustable motor 7 device for detecting motor rotary speed 16 and for monitoring corresponding piston rod movement stroke
Displacement signal detection means 13.Each detection means is respectively provided with signal output part, and controller 2 has controller input and controller
Output end, controller input is connected the reception for carrying out various signals with the signal output part sampling of detection means, and controller is defeated
Go out end to be connected with double-action variable pump 8 and the adjustable control of motor 7 of rotating speed, controller 2 is used to receive and analyze by detection means 6
The signal of middle collection carries out feedback tune to the uninterrupted of double-action variable pump 8 and the rotating speed size of rotating speed adjustable motor 7
Section.Single-phase hydraulic actuating mechanism 5 also includes that, for the fuel tank 11 to oil circuit repairing or oil passage oil return, fuel tank 11 connects with rod chamber
Entered by upper hydraulic control one-way valve 9 and lower hydraulic control one-way valve 10 respectively on logical oil circuit and on the oil circuit that is connected with rodless cavity of fuel tank 11
Row connection.
The course of work of single-phase hydraulic actuating mechanism is, when switch module 4 needs to close a floodgate, i.e., piston rod needs fortune upwards
It is dynamic, during now rotating speed adjustable motor 7 drives double-action variable pump 8 that the hydraulic oil in rod chamber pumped into rodless cavity, due to
The discharge capacity of the hydraulic oil discharged in rod chamber now needs fuel tank 11 to pass through upper liquid less than the The hydraulic oil wanted needed for rodless cavity
Control check valve 9 carries out repairing to rod chamber to meet the The hydraulic oil required for rodless cavity；When switch module 4 needs separating brake,
I.e. piston rod needs to move downward, and now rotating speed adjustable motor 7 drives double-action variable pump 8 by the hydraulic oil in rodless cavity
In pumping to rod chamber, because the discharge capacity of hydraulic oil discharged in rodless cavity is more than the The hydraulic oil wanted needed for rod chamber, now
When preset value of the oil pressure in rod chamber more than lower hydraulic control one-way valve 10, the lower reverse opening of hydraulic control one-way valve 10, in rodless cavity
Hydraulic oil return to fuel tank 11.
The course of work of the high-voltage switch gear is：First to controller 2 preset a piston rod specific rate curve be
The travel displacement of piston rod and the relation of time so that piston rod when driving the switch module 4 to carry out divide-shut brake with required
Divide-shut brake speed, in rotating speed adjustable motor 7 drives the course of work of double-action variable pump 8, stroke signal detection means 13
The real-time displacement signal of piston rod is passed into controller 2, controller 2 is compared the displacement signal of implementation with the data of setting
Stream in oil circuit is changed to analysis, then the rotating speed of the adjustable motor 7 of feedback regulation rotating speed and the uninterrupted of double-action variable pump 8
Measure so that the movement velocity of piston rod is consistent with the rate curve of setting, it is ensured that in the output error allowed band of setting
It is interior, it is ensured that three synchronisms of the single-phase divide-shut brake of high-voltage switch gear.Each detection means is transferred to control by a signal manifold 6
Device processed.
Each detection means detection piston rod stroke displacement and the various signals of hydraulic actuating mechanism 5, and the letter that will be detected
Controller 2 number is fed back to, control closed loop is constituted, when controller receives 1 point/feed motion of host computer and instructs, while giving three
Rotating speed adjustable motor 7 sends action command, and rotating speed adjustable motor 7 drives the connected work of double-action variable pump 8
Make, three hydraulic cylinders 12 start action；While detection signal of the controller 2 according to each self feed back of three detection means 6, right respectively
The rotating speed of rotating speed adjustable motor 7 and the output flow of double-action variable pump 8 of its detection are adjusted, and it is right neatly to realize
Three real-time regulations of the acting characteristic of hydraulic cylinder 12, to ensure three-phase synchronism.
In other embodiment of the present utility model, flow pump can be constant displacement pump, and now motor is that rotating speed is adjustable
Motor, the flow of flow pump discharge is controlled by the rotating speed of controller control rotating speed adjustable motor；Motor can be with
For rotating speed is nonadjustable, now flow pump is double-action variable pump, and directly flow is carried out to double-action variable pump by controller
Regulation；Rotating speed adjustable electric machine, double-action variable pump and oil circuit constitute pumping system in the present embodiment, it is also possible in double-action variable
Choke valve is set at pump discharge on oil circuit to change the flow in oil circuit, now the adjustable motor of double-action variable pump, rotating speed, section
Stream valve and oil circuit constitute pumping system.
A kind of single-phase hydraulic pressure in the embodiment of single-phase hydraulic actuating mechanism and a kind of each embodiment of above-mentioned high-voltage switch gear
The embodiment of operating mechanism is identical, and here is omitted.
Claims (8)
1. a kind of single-phase hydraulic actuating mechanism, including hydraulic cylinder and the pumping system connected with the rod chamber and rodless cavity of hydraulic cylinder,
It is characterized in that：Also include the displacement signal and/or rod chamber and the oil pressure of rodless cavity of the piston rod for detecting hydraulic cylinder
The detection means of pressure signal, each detection means is respectively provided with signal output part for controller input corresponding with controller
Sampling connection, pumping system is used to control to be connected with controller to be adjusted the output flow of pumping system with by controller.
2. a kind of single-phase hydraulic actuating mechanism according to claim 1, it is characterised in that：The pumping system includes motor
And flow pump, flow pump is double-action variable pump, and detection means also includes the variable pump for flow at detection flows pump discharge
Flow detector.
3. a kind of single-phase hydraulic actuating mechanism according to claim 2, it is characterised in that：The motor is that rotating speed is adjustable
Formula motor, detection means also includes the device for detecting motor rotary speed for detecting motor speed.
4. a kind of single-phase hydraulic actuating mechanism according to claim any one of 1-3, it is characterised in that：The single-phase hydraulic pressure
Operating mechanism is also included for the fuel tank to oil circuit repairing or oil passage oil return, on the oil circuit that fuel tank is connected with rod chamber and fuel tank
Connected by hydraulic control one-way valve on the oil circuit connected with rodless cavity.
5. a kind of high-voltage switch gear, including the single-phase hydraulic operating machine that three high-voltage switch gears are single-phase and the corresponding high-voltage switch gear of control is single-phase
Structure, each single-phase hydraulic actuating mechanism includes hydraulic cylinder and the pumping system connected with the rod chamber and rodless cavity of hydraulic cylinder, and it is special
Levy and be：The pressure of the oil pressure of displacement signal and/or rod chamber and rodless cavity also including the piston rod for detecting hydraulic cylinder
The detection means of signal, each detection means is respectively provided with signal output part and is sampled for controller input corresponding with controller
Connection, pumping system is used to control to be connected with controller to be adjusted the output flow of pumping system with by controller.
6. a kind of high-voltage switch gear according to claim 5, it is characterised in that：The pumping system includes motor and flow
Pump, flow pump is double-action variable pump, and detection means also includes the variable pump discharge inspection for flow at detection flows pump discharge
Survey device.
7. a kind of high-voltage switch gear according to claim 6, it is characterised in that：The motor is rotating speed adjustable electric
Machine, detection means also includes the device for detecting motor rotary speed for detecting motor speed.
8. a kind of high-voltage switch gear according to claim any one of 5-7, it is characterised in that：The single-phase hydraulic actuating mechanism
Also include for the fuel tank to oil circuit repairing or oil passage oil return, on the oil circuit that fuel tank is connected with rod chamber and fuel tank and rodless cavity
Connected by hydraulic control one-way valve on the oil circuit of connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621185789.3U CN206290507U (en) | 2016-11-04 | 2016-11-04 | A kind of single-phase hydraulic actuating mechanism and high-voltage switch gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621185789.3U CN206290507U (en) | 2016-11-04 | 2016-11-04 | A kind of single-phase hydraulic actuating mechanism and high-voltage switch gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206290507U true CN206290507U (en) | 2017-06-30 |
Family
ID=59099682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621185789.3U Expired - Fee Related CN206290507U (en) | 2016-11-04 | 2016-11-04 | A kind of single-phase hydraulic actuating mechanism and high-voltage switch gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206290507U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626205A (en) * | 2018-04-13 | 2018-10-09 | 安徽天水液压机床科技有限公司 | A kind of multi-machine parallel connection numerical-control hydraulic sheet metal tubulation molding machine hydraulic system |
| CN109944836A (en) * | 2019-03-21 | 2019-06-28 | 福建工程学院 | A kind of servo motor drives the distributed direct Driving force system of double constant displacement pumps |
-
2016
- 2016-11-04 CN CN201621185789.3U patent/CN206290507U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626205A (en) * | 2018-04-13 | 2018-10-09 | 安徽天水液压机床科技有限公司 | A kind of multi-machine parallel connection numerical-control hydraulic sheet metal tubulation molding machine hydraulic system |
| CN109944836A (en) * | 2019-03-21 | 2019-06-28 | 福建工程学院 | A kind of servo motor drives the distributed direct Driving force system of double constant displacement pumps |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170630 Termination date: 20211104 |
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| CF01 | Termination of patent right due to non-payment of annual fee |