CN106762990A - Outside automatically controlled electromechanical actuator - Google Patents
Outside automatically controlled electromechanical actuator Download PDFInfo
- Publication number
- CN106762990A CN106762990A CN201611195386.1A CN201611195386A CN106762990A CN 106762990 A CN106762990 A CN 106762990A CN 201611195386 A CN201611195386 A CN 201611195386A CN 106762990 A CN106762990 A CN 106762990A
- Authority
- CN
- China
- Prior art keywords
- control unit
- control
- pipe road
- branched pipe
- branch line
- 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.)
- Pending
Links
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
- F15B21/001—Servomotor systems with fluidic control
-
- 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
-
- 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
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
-
- 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
- F15B21/008—Reduction of noise or vibration
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)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a kind of automatically controlled electromechanical actuator in outside, including：First hydraulic pipeline；Second hydraulic pipeline；Double-action variable displacement motor；First control unit；Second control unit；Regulation oil cylinder；3rd control unit.The automatically controlled electromechanical actuator in outside of the invention is coordinated and can effectively be prevented because of working line hypertonia to the impact of double-action variable displacement motor by the second control unit and the 3rd control unit and regulation oil cylinder.Second control unit of the invention makes it switch between the first position and the second position according to the power on/off of the Electromagnetic Control mouthful of Unit the 3rd, so that the switching of the position of the second control unit is controlled by external electromagnetic, so that can be by the discharge capacity of the control double-action variable displacement motor of external electromagnetic control selections.
Description
Technical field
The present invention relates to electromechanical integration technology area, more particularly to a kind of automatically controlled electromechanical actuator in outside.
Background technology
Double-action variable displacement motor can undertake load in two rotation directions, specifically, as two with double-action variable displacement motor
First working line of individual port connection and the pressure of the second working line are different, and double-action variable displacement motor becomes being capable of driving load.
Such as, when the first working line more than the second working line pressure when, double-action variable displacement motor towards a rotation direction driving load,
And when the first working line is less than the pressure in the second working line, double-action variable displacement motor drives negative towards another rotation direction
Carry.
However, control system of the prior art cannot be according to the pressure control in the first working line and the second working line
The discharge capacity of double-action variable displacement motor processed, that is to say, that no matter the pressure of the first working line and the second working line has much, two-way
The discharge capacity of variable displacement motor is constant, and so as to cause motor, because pressure is excessive, discharge capacity is constant and damage, or causes motor because of pressure mistake
It is small and discharge capacity is constant and is short of power.
The content of the invention
It is of the invention to implement there is provided a kind of automatically controlled electromechanics in outside for above-mentioned technical problem present in existing technology
Actuator.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of automatically controlled electromechanical actuator in outside, including：
First hydraulic pipeline；
Second hydraulic pipeline；
Double-action variable displacement motor, it is used to be connected with first fluid pressure line and second fluid pressure line；
First control unit, it passes through the first branch line and is connected with first fluid pressure line, by second branched pipe
Road connects with second fluid pressure line；First control unit has makes first branch line and second branched pipe road
The first position blocked, with blocking first branch line, and make the of the second branched pipe road backflow fuel tank
Two positions and with making first branch line backflow fuel tank, and make the 3rd position that the second branched pipe road blocks；
Second control unit, it passes through Three branched pipe road and is connected with first fluid pressure line, by the 4th branched pipe
Road connects with second fluid pressure line；Second control unit has to be blocked an institute Three branched pipe road and makes the described 4th
The first position of branch line conducting and make that the Three branched pipe road turns on and make that the 4th branch line blocks the
Two positions；
Regulation oil cylinder, it includes that cylinder body, the piston being arranged in the cylinder body and one end are connected with the piston, another
The piston rod that is connected with the swash plate of the double-action variable displacement motor after the cylinder body is stretched out at end, and the piston is by the work in the cylinder body
Plug chamber is divided into rod chamber and rodless cavity；The outlet of second control unit is connected with control piper, the control piper point
Into quintafurcation pipeline and the 6th branch line, the quintafurcation pipeline is connected with the rodless cavity, the 6th branched pipe
Road connects with the rod chamber；
3rd control unit, it is arranged on the quintafurcation pipeline, and the 3rd control unit has makes the control
First position and block the control piper and make the rodless cavity backflow fuel tank that tubulation road connects with the rodless cavity
The second place, wherein：
Second control unit has Electromagnetic Control mouthful, so that when the Electromagnetic Control mouthful is powered, described the
Two control units are in the second place, and when the Electromagnetic Control mouthful is powered off, second control unit is in first position；
3rd control unit has a 3rd unit control mouth, the 3rd unit control mouth and the control pipe
Road connects, and when the pressure in the control piper increases, the 3rd control unit switches to the second place from first position.
Preferably, first control unit has two first module control mouths, the first module control mouth difference
Connected with first branch line and the second branched pipe road, so that when the pressure in first branch line is equal to institute
When stating the pressure in second branched pipe road, first control unit is in first position, when in first branch line
When pressure is more than the pressure in the second branched pipe road, first control unit is in the second place, when described first point
When pressure in bye-pass is less than the pressure in the second branched pipe road, first control unit is in the 3rd position.
Preferably, first control unit is three position three-way change valve.
Preferably, the 3rd control unit is two position three way directional control valve.
Preferably, the 3rd control unit is proportional reversing valve.
Compared with prior art, the beneficial effect of the automatically controlled electromechanical actuator in outside of the invention is：Outside of the invention
Automatically controlled electromechanical actuator coordinated by the second control unit and the 3rd control unit and regulation oil cylinder can effectively prevent because
Working line hypertonia and to the impact of double-action variable displacement motor.
Second control unit of the invention make it in first position according to the power on/off of the Electromagnetic Control mouthful of Unit the 3rd and
Switch between the second place, so that the switching of the position of the second control unit is controlled by external electromagnetic, so that can be by outside
The discharge capacity of the control double-action variable displacement motor of Electromagnetic Control selectivity.
Brief description of the drawings
Fig. 1 is the structural representation of the automatically controlled electromechanical actuator in outside of the invention.
In figure：
1- double-action variable displacement motors；The working lines of 2- first；The working lines of 3- second；The control units of 4- first；First point of 5-
Bye-pass；6- second branched pipes road；The control units of 7- second；8- Three branched pipes road；The branch lines of 9- the 4th；10- the 3rd is controlled
Unit processed；11- control pipers；12- quintafurcation pipelines；The branch lines of 13- the 6th；14- adjusts oil cylinder；15- fuel tanks；101- is oblique
Disk.
Specific embodiment
To make those skilled in the art be better understood from technical scheme, below in conjunction with the accompanying drawings and specific embodiment party
Formula elaborates to the present invention.
As shown in Figure 1 The embodiment provides a kind of automatically controlled electromechanical actuator in outside, for being pressed according to work
The discharge capacity of power or operating pressure difference control double-action variable displacement motor 1, the automatically controlled electromechanical actuator in the outside includes：First hydraulic
Pipeline；Second hydraulic pipeline；Double-action variable displacement motor 1, it is used for and first fluid pressure line and second hydraulic tube
Road connects；First control unit 4, it passes through the first branch line 5 and is connected with first fluid pressure line, by second branched pipe
Road 6 connects with second fluid pressure line；First control unit 4 has makes the branch of first branch line 5 and second
First position that pipeline 6 is blocked, with blocking first branch line 5, and make the withdrawing oil of second branched pipe road 6
The second place of case 15 and with making first branch line 5 backflow fuel tank 15, and block the second branched pipe road 6
The 3rd position；Second control unit 7, it passes through Three branched pipe road 8 and is connected with first fluid pressure line, by the 4th point
Bye-pass 9 is connected with second fluid pressure line；Second control unit 7 has makes institute Three branched pipe road 8 block and make
First position and turn on the Three branched pipe road 8 and make the 4th branched pipe that 4th branch line 9 is turned on
The second place that road 9 is blocked；Regulation oil cylinder 14, it include cylinder body, the piston being arranged in the cylinder body and one end with it is described
Piston is connected, and the other end stretches out the piston rod being connected with the swash plate 101 of the double-action variable displacement motor 1 after the cylinder body, the work
Plunger shaft in the cylinder body is divided into rod chamber and rodless cavity by plug；The outlet of second control unit 7 is connected with control
Pipeline 11, the control piper 11 is divided into the branch line 13 of quintafurcation pipeline 12 and the 6th, the quintafurcation pipeline 12 with
The rodless cavity connection, the 6th branch line 13 is connected with the rod chamber；3rd control unit 10, it is arranged on described
On quintafurcation pipeline 12, the 3rd control unit 10 has make the control piper 11 be connected with the rodless cavity first
Position and block the control piper 11 and the rodless cavity is flowed back the second place of fuel tank 15, wherein：Described second
Control unit 7 has an Electromagnetic Control mouthful, so that when the Electromagnetic Control mouthful is powered, second control unit 7 is in
The second place, when the Electromagnetic Control mouthful is powered off, second control unit 7 is in first position；3rd control is single
Unit 10 has a 3rd unit control mouth, and the 3rd unit control mouth is connected with the control piper 11, when the control
When pressure in pipeline 11 increases, the 3rd control unit 10 switches to the second place from first position.
Understood according to above-mentioned, when the first working line 2 is more than the second working line 3, the first control unit 4 is in first
Position, the first working line 2 is blocked by the first control unit 4, and the hydraulic oil in the second working line 3 flows back to fuel tank 15, two-way
Variable displacement motor 1 rotates to drive load in one direction.And when the first working line 2 is excessive, Electromagnetic Control mouthful is powered, from
And the second control unit 7 is switched to the second place, so that the hydraulic oil in the first working line 2 passes through the second control unit
7 enter in control pipers 11, and hydraulic oil in control piper 11 causes that Unit the 3rd switches to the by the 3rd unit control mouth
Two positions, so that the hydraulic oil oil return box 15 in rodless cavity, and quintafurcation pipeline 12 is truncated, the liquid in control piper 11
Force feed is by the 6th branch line 13 into rod chamber so that piston rod court makes the inclination angle of the swash plate 101 of double-action variable displacement motor 1
The direction movement of increase, so that the discharge capacity increase of double-action variable displacement motor 1, the feelings for increasing the pressure of the first working line of adaptation 2
Condition, causes the situation that double-action variable displacement motor 1 is damaged to occur so as to effectively prevent because the pressure of the first working line 2 increases.Phase
Ying Di, when the second working line 3 is more than the first working line 2, the first control unit 4 is in the second place, the second instrumentation tubes
Road 3 is blocked by the first control unit 4, and the hydraulic oil in the first working line 2 flows back to fuel tank 15, and double-action variable displacement motor 1 is towards opposite
Direction rotates to drive load.And when the second working line 3 is excessive, make Electromagnetic Control mouthful power-off, so that the second control is single
Unit 7 switches to first position, so that the hydraulic oil in the second working line 3 enters control piper by the second control unit 7
In 11, the hydraulic oil in control piper 11 causes that Unit the 3rd switches to the second place by the 3rd unit control mouth, so that
Hydraulic oil oil return box 15 in rodless cavity, and quintafurcation pipeline 12 is truncated, the hydraulic oil in control piper 11 is by the 6th
Branch line 13 is into rod chamber so that piston rod is moved towards the direction for increasing the inclination angle of the swash plate 101 of double-action variable displacement motor 1
It is dynamic, so that the discharge capacity increase of double-action variable displacement motor 1, the situation for increasing the pressure of the second working line of adaptation 3, so as to effectively prevent
Stopped causes the situation that double-action variable displacement motor 1 is damaged to occur because the pressure of the second working line 3 increases.
It follows that the second control unit 7 and the 3rd control unit 10 and regulation oil cylinder 14 can be prevented effectively because of work
Make loine pressure it is too high and to the impact of double-action variable displacement motor 1.
Second control unit 7 of the invention make it in first position according to the power on/off of the Electromagnetic Control mouthful of Unit the 3rd and
Switch between the second place, so that the switching of the position of the second control unit 7 is controlled by external electromagnetic, so that can be by outside
The discharge capacity of the control double-action variable displacement motor 1 of Electromagnetic Control selectivity.
Preferably, first control unit 4 has two first module control mouths, the first module control mouth difference
Connected with first branch line 5 and the second branched pipe road 6, so that when pressure in first branch line 5 etc.
When pressure in the second branched pipe road 6, first control unit 4 is in first position, when first branched pipe
When pressure in road 5 is more than the pressure in the second branched pipe road 6, first control unit 4 is in the second place, works as institute
When stating pressure in the first branch line 5 less than pressure in the second branched pipe road 6, first control unit 4 is in
3rd position.
Preferably, first control unit 4 is three position three-way change valve.
Preferably, the 3rd control unit 10 is two position three way directional control valve.
Preferably, the 3rd control unit 10 is proportional reversing valve.
Above example is only exemplary embodiment of the invention, is not used in the limitation present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art can make respectively in essence of the invention and protection domain to the present invention
Modification or equivalent are planted, this modification or equivalent also should be regarded as being within the scope of the present invention.
Claims (5)
1. the automatically controlled electromechanical actuator in a kind of outside, it is characterised in that including：
First hydraulic pipeline；
Second hydraulic pipeline；
Double-action variable displacement motor, it is used to be connected with first fluid pressure line and second fluid pressure line；
First control unit, it passes through the first branch line and is connected with first fluid pressure line, by second branched pipe road with
The second fluid pressure line connection；First control unit has makes first branch line and second branched pipe road cut
Disconnected first position, with blocking first branch line, and the second branched pipe road is flowed back the second of fuel tank
Put and with making first branch line backflow fuel tank, and make the 3rd position that the second branched pipe road blocks；
Second control unit, it passes through Three branched pipe road and is connected with first fluid pressure line, by the 4th branch line with
The second fluid pressure line connection；Second control unit has makes institute Three branched pipe road block and make the 4th branch
First position and the Three branched pipe road is turned on and make the second that the 4th branch line is blocked that pipeline is turned on
Put；
Regulation oil cylinder, it includes that cylinder body, the piston being arranged in the cylinder body and one end are connected with the piston, and the other end is stretched
Go out the piston rod being connected with the swash plate of the double-action variable displacement motor after the cylinder body, the piston is by the plunger shaft in the cylinder body
It is divided into rod chamber and rodless cavity；The outlet of second control unit is connected with control piper, and the control piper is divided into
Quintafurcation pipeline and the 6th branch line, the quintafurcation pipeline are connected with the rodless cavity, the 6th branch line with
The rod chamber connection；
3rd control unit, it is arranged on the quintafurcation pipeline, and the 3rd control unit has makes the control pipe
First position that road connects with the rodless cavity and block the control piper and make the of the rodless cavity backflow fuel tank
Two positions, wherein：
Second control unit has an Electromagnetic Control mouthful, so that when the Electromagnetic Control mouthful is powered, second control
Unit processed is in the second place, and when the Electromagnetic Control mouthful is powered off, second control unit is in first position；
3rd control unit has a 3rd unit control mouth, and the 3rd unit control mouth connects with the control piper
Logical, when the pressure in the control piper increases, the 3rd control unit switches to the second place from first position.
2. the automatically controlled electromechanical actuator in outside according to claim 1, it is characterised in that first control unit has
Two first module control mouths, the first module control mouth respectively with first branch line and the second branched pipe road
Connection, so that when the pressure in first branch line is equal to the pressure in the second branched pipe road, first control
Unit processed is in first position, when the pressure in first branch line is more than the pressure in the second branched pipe road,
First control unit is in the second place, when the pressure in first branch line is less than in the second branched pipe road
Pressure when, first control unit be in the 3rd position.
3. the automatically controlled electromechanical actuator in outside according to claim 1, it is characterised in that first control unit is three
Position three-way diverter valve.
4. the automatically controlled electromechanical actuator in outside according to claim 1, it is characterised in that the 3rd control unit is two
Position three-way diverter valve.
5. the automatically controlled electromechanical actuator in outside according to claim 4, it is characterised in that the 3rd control unit is ratio
Example reversal valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611195386.1A CN106762990A (en) | 2016-12-22 | 2016-12-22 | Outside automatically controlled electromechanical actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611195386.1A CN106762990A (en) | 2016-12-22 | 2016-12-22 | Outside automatically controlled electromechanical actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106762990A true CN106762990A (en) | 2017-05-31 |
Family
ID=58900422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611195386.1A Pending CN106762990A (en) | 2016-12-22 | 2016-12-22 | Outside automatically controlled electromechanical actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106762990A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296120A (en) * | 2019-06-14 | 2019-10-01 | 庆安集团有限公司 | A kind of hatch door transient state acting device of low-power requirements |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19509869A1 (en) * | 1995-03-17 | 1996-09-26 | Sauer Sundstrand Gmbh & Co | Control and regulation system for automotive hydrostatic drive |
| US5709282A (en) * | 1995-03-31 | 1998-01-20 | Fiat-Hatachi Excavators S.P.A. | Traveling control system for hydraulically driven vehicle |
| EP1873424A1 (en) * | 2006-06-29 | 2008-01-02 | Brueninghaus Hydromatik Gmbh | Hydrostatic drive and control method therefore |
| US7334403B2 (en) * | 2003-01-29 | 2008-02-26 | Brueninghaus Hydromatik Gmbh | Brake valve for a hydraulic transmission |
| CN101871477A (en) * | 2010-06-22 | 2010-10-27 | 上海萨澳液压传动有限公司 | Intermediate-pressure control two-position variable axial plunger hydraulic motor |
-
2016
- 2016-12-22 CN CN201611195386.1A patent/CN106762990A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19509869A1 (en) * | 1995-03-17 | 1996-09-26 | Sauer Sundstrand Gmbh & Co | Control and regulation system for automotive hydrostatic drive |
| US5709282A (en) * | 1995-03-31 | 1998-01-20 | Fiat-Hatachi Excavators S.P.A. | Traveling control system for hydraulically driven vehicle |
| US7334403B2 (en) * | 2003-01-29 | 2008-02-26 | Brueninghaus Hydromatik Gmbh | Brake valve for a hydraulic transmission |
| EP1873424A1 (en) * | 2006-06-29 | 2008-01-02 | Brueninghaus Hydromatik Gmbh | Hydrostatic drive and control method therefore |
| CN101871477A (en) * | 2010-06-22 | 2010-10-27 | 上海萨澳液压传动有限公司 | Intermediate-pressure control two-position variable axial plunger hydraulic motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296120A (en) * | 2019-06-14 | 2019-10-01 | 庆安集团有限公司 | A kind of hatch door transient state acting device of low-power requirements |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
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| RJ01 | Rejection of invention patent application after publication |