CN206647334U - Servo forges valve and servo system soon - Google Patents
Servo forges valve and servo system soon Download PDFInfo
- Publication number
- CN206647334U CN206647334U CN201720105323.6U CN201720105323U CN206647334U CN 206647334 U CN206647334 U CN 206647334U CN 201720105323 U CN201720105323 U CN 201720105323U CN 206647334 U CN206647334 U CN 206647334U
- Authority
- CN
- China
- Prior art keywords
- servo
- valve
- chambers
- soon
- forges
- 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.)
- Active
Links
Landscapes
- Servomotors (AREA)
Abstract
The utility model provides servo and forges valve and servo system soon, is related to the field of high speed forging hydraulic press.It is related to servo and forges valve soon, including servomotor, support, guiding lubrication cover plate and the valve pocket set gradually by left and right, the center of support, guiding lubrication cover plate and valve pocket is provided through ball-screw assembly, the output shaft of servomotor is connected with the threads of lead screw of ball-screw assembly, and the end face seal for being oriented to lubrication cover plate and valve pocket is fitted close and connects as one structure；Valve pocket is internally provided with servo spool, and the bearing bolt of servo spool and ball-screw assembly connects as one structure；Leading screw can drive the bearing of ball-screw assembly to move up and down, with the keying of regulating valve.Servo system is further related to, not only forges valve, in addition to programmable logic controller (PLC) soon including above-mentioned servo.Using the technical solution of the utility model, the phenomenon for occurring string oil in valve is forged soon to solve existing servo.
Description
Technical field
The technical field of high speed forging hydraulic press is the utility model is related to, valve and servo are forged soon more particularly, to a kind of servo
Valve system.
Background technology
Electricity --- gas proportioning valve and servo valve can be divided into two kinds of pressure type and flow-type by its function.Pressure type ratio/watch
Take valve and the electric signal being defeated by linearly is converted into gas pressure；Flow-type ratio/servo valve is converted to the electric signal being defeated by
Gas flow.Due to the compressibility of gas, the movement velocity of the executive component such as cylinder or gas motor is set to depend not only on gas
Flow.Additionally depend on the load of executive component.Therefore it is often unnecessary to accurately control gas flow.Simple pressure
Power formula or flow-type ratio/servovalve applications are few, and often it is more extensive to be combined together application for pressure and flow.Electricity ---
Gas proportioning valve and servo valve are mainly by electricity --- and mechanical transducer and pneumatic amplifier form.But with electronics cheap in recent years
A large amount of appearance of integrated circuit and various detection devices, in electricity --- employed more and more in gas ratio/servo valve electric anti-
Feedback method, this also substantially increases the performance of ratio/servo valve.Electricity --- the gas ratio/adoptable feedback control side of servo valve
Formula, displacement or pressure sensing devices is increased in valve, some is also integrated with control amplifier.
However, in current flat-die forging industry, in high speed forging hydraulic press field, the rapid forge liquid that is widely used
The fast forging valve of press includes servo valve and logic inserted valve；Traditional fast forging valve is made up of servo valve and logic inserted valve, as liquid
Pressure control element needs Multistage Control, and controlling unit is complex, and guide's servo valve is extremely high to fluid required precision, easily because
Oil cleanliness problem and stuck cause equipment to stop production so the use of the fast forging valve of tradition must be equipped with independent control oil sources, together
When mutually string oil caused between control oil and working oil due to the internal leakage of traditional fast forging valve, cause to control contaminated wait of oil sources to lack
The fast forging valve of point tradition is stuck or damages.
Utility model content
First purpose of the present utility model is that provide a kind of servo forges valve soon, is forged in valve with to solve existing servo and occurred soon
The phenomenon of string oil.
A kind of servo provided by the utility model forges valve soon, including set gradually by left and right servomotor, support, lead
To lubrication cover plate and valve pocket, the center of the support, the guiding lubrication cover plate and the valve pocket is provided through ball-screw
Assembly, the output shaft of the servomotor are connected with the threads of lead screw of the ball-screw assembly, it is described be oriented to lubrication cover plate with
The end face seal of the valve pocket is fitted close and connects as one structure；
The valve pocket is internally provided with servo spool, and the bearing bolt of the servo spool and the ball-screw assembly connects
It is connected in integrative-structure；
The leading screw can drive the bearing of the ball-screw assembly to move up and down, with the keying of regulating valve.
Further, the outer face of the valve pocket is provided with A chambers.
Further, the outer peripheral face up/down perforation of the valve pocket is provided with B chambers.
Further, described be oriented on the end face of lubrication cover plate is provided with the symmetrical two C chambers of relatively described servo spool,
The C chambers are draining lubricating cavity.
Further, the C chambers are communicated to the servo spool, and and antirotation keys by the end face for being oriented to lubrication cover plate
Recline setting.
Further, C chamber of the lubricating oil through bottom is flowed into valve body, and is flowed out by the C chambers on top.
Second purpose of the present utility model is to provide a kind of servo system, is forged in valve with to solve existing servo and occurred soon
The phenomenon of string oil.
A kind of servo system provided by the utility model, including above-mentioned servo forge valve, in addition to FPGA soon
Controller；
When the A chambers have hydraulic oil, the programmable logic controller (PLC) sends instruction, make the servomotor according to
Pre-set sine curve rotates clockwise, and makes the valve element motion and the communication of the A chambers and the B chambers upwards, hydraulic pressure
Oil is from the A chambers by flowing to the B chambers；
When the B chambers have hydraulic oil, the programmable logic controller (PLC) sends instruction, make the servomotor according to
The sine curve set in advance is rotated clockwise, and the valve element is moved upwards, and the B chambers and the A chambers are linked up, hydraulic pressure
Oil is from the B chambers by flowing to the A chambers.
Further, the C chambers are L-shaped passage.
Further, the outer wall of the servo spool is provided with external screw thread, and accordingly, the inwall of the valve pocket is provided with
Internal thread, the external screw thread are connected with the internal thread screw thread.
Further, mechanical seal is used between the servo spool and the valve pocket.
The beneficial effects of the utility model are as follows：
Valve, including servomotor, support, guiding lubrication cover plate are forged using servo of the present utility model soon, three is by screw
Tighten together；The output shaft of servomotor is connected jackscrew with the threads of lead screw of ball-screw assembly, withstands and anti-rotation moves back silk；
Lubrication cover plate and valve pocket end face seal tight fit are oriented to, and connects into an entirety；Servo spool and ball-screw assembly
Bearing bolt connects, and connects into an entirety.Compared with traditional servo forges valve soon, novel servo of the present utility model is fast
Faster, the frequency is higher, most can accordingly reach 200HZ soon for the switching speed of forging valve；It is steady to open curve；Oil need not be controlled,
The motion of valve element directly rotates driving valve element by servomotor driving leading screw and moved up and down；The lubrication of valve element expansion rod part passes through
The draining of valve element, and the self-service lubrication of draining of system.
Valve, in addition to Programmable logical controller are forged using servo system of the present utility model, including above-mentioned servo soon
Device, programmable logic controller (PLC) are PLC, when servomotor provides instruction motion according to PLC to be rotated, drive ball-screw total
Into leading screw rotate, leading screw, which rotates, drives the bearing of ball-screw assembly to move up and down, and completes the switch of valve.When A chambers are present
Hydraulic oil, PLC send instruction, servomotor is rotated clockwise according to the sine curve set in advance, valve element is transported upwards
Dynamic A chambers and B chambers are linked up, and hydraulic oil is from A chambers by flowing to B chambers；When B chambers have hydraulic oil, PLC sends instruction, makes servomotor
Sine curve according to setting in advance rotates clockwise, and valve element is moved B chambers and the communication of A chambers upwards, and hydraulic oil passes through from B chambers
Flow to A chambers；C chambers are draining lubricating cavity, and due to the motion of telling of valve element, antirotation keys and guiding lubrication cover plate rub for contact, need to
Lubricate, simultaneously because being mechanical seal between servo spool and valve pocket, draining be present, thus C chambers play draining, lubrication and
The effect of cooling, lubricating oil enters after C chambers from Y1 flows back to fuel tank by Y2.The switch of the novel servo valve system of the technical program
Faster, the frequency is higher for speed, most can accordingly reach 200HZ soon；It is steady to open curve；Oil, the motion of valve element need not be controlled
Directly driving valve element is rotated by servomotor driving leading screw to move up and down；Lubrication the letting out by valve element of valve element expansion rod part
Oil, and the self-service lubrication of draining of system.
The servo system of the technical program is mainly used in the flow control of hydraulic system, specifically used in rapid forge machine
Steady pressure release and unloading after pressurization.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the cross-sectional view that the servo that the utility model embodiment provides forges valve soon；
Fig. 2 is the left view structural representation that the servo that the utility model embodiment provides forges valve soon；
Fig. 3 is the D-D cross-sectional view along Fig. 2 that the servo that the utility model embodiment provides forges valve soon；
Fig. 4 is the main structure diagram that the servo that the utility model embodiment provides forges valve soon；
Fig. 5 is that the servo that the utility model embodiment provides forges cross-sectional view of the valve along Fig. 4 E-E soon；
Fig. 6 is the axle side structure schematic diagram that the servo that the utility model embodiment provides forges valve soon.
Reference：
1- servomotors；2- supports；3- ball-screw assemblies；4- is oriented to lubrication cover plate；5- antirotation keys；6- servos
Valve element；7- valve pockets；8- jackscrews；9- is slidingly sealed；10- cover plate static seals；11- oil leab static seals；The valves of 12- first
Cover static seal；13- the second valve pocket static seals.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
The servo that the present embodiment 1 and 2 is described in detail below with reference to Fig. 1-Fig. 4 forges the technical side of valve and servo system soon
Case.
Fig. 1 is the cross-sectional view that the servo that Examples 1 and 2 provide forges valve soon；Fig. 2 is what Examples 1 and 2 provided
Servo forges the left view structural representation of valve soon；Fig. 3 is the D-D section along Fig. 2 that the servo that Examples 1 and 2 provide forges valve soon
Structural representation；Fig. 4 is the main structure diagram that the servo that Examples 1 and 2 provide forges valve soon；Fig. 5 carries for Examples 1 and 2
The servo of confession forges cross-sectional view of the valve along Fig. 4 E-E soon；Fig. 6 is the axle that the servo that Examples 1 and 2 provide forges valve soon
Side structure schematic diagram.Wherein, the implication that each label represents is as follows：1- servomotors；2- supports；3- ball-screw assemblies；
4- is oriented to lubrication cover plate；5- antirotation keys；6- servo spools；7- valve pockets；8- jackscrews；9- is slidingly sealed；10- cover plates are quiet
Sealing；11- oil leab static seals；12- the first valve pocket static seals；13- the second valve pocket static seals.
Embodiment 1
The embodiment of the present embodiment is as follows：
As Figure 1-4, a kind of servo that the present embodiment provides forges valve, including the servo set gradually by left and right soon
Motor 1, support 2, lubrication cover plate 4 and valve pocket 7 are oriented to, the center of support 2, guiding lubrication cover plate 4 and valve pocket 7 is provided through rolling
Ballscrew assembly 3, the output shaft of servomotor 1 are connected with the threads of lead screw of ball-screw assembly 3, are oriented to lubrication cover plate 4 and valve
The end face seal of set 7 is fitted close and connects as one structure；
Valve pocket 7 is internally provided with servo spool 6, and the bearing bolt of servo spool 6 and ball-screw assembly 3 connects as one
Structure；
Leading screw can drive the bearing of ball-screw assembly 3 to move up and down, with the keying of regulating valve.
It is made up of it should be noted that existing traditional servo forges valve soon servo valve and logic inserted valve, as hydraulic pressure control
Element processed needs Multistage Control, and controlling unit is complex, and guide's servo valve is extremely high to fluid required precision, easily because of fluid
Cleanliness issues and it is stuck cause equipment to stop production so the use of the fast forging valve of tradition must be equipped with independent control oil sources, while by
Cause mutual string oil between control oil and working oil in the internal leakage of the fast forging valve of tradition, cause to pass the shortcomings of controlling oil sources contaminated
The fast forging valve of system is stuck or damages.And the novel servo of the present embodiment forges valve, including servomotor 1, support 2, guiding lubrication lid soon
Plate 4, valve pocket 7, servo spool 6 and ball-screw assembly 3, the conveying and output of hydraulic oil can be carried out under PLC control.
Specifically, the outer face of valve pocket 7 is provided with A chambers.
It should be noted that the A chambers of the present embodiment are circular hole passage.
Specifically, the outer peripheral face up/down perforation of valve pocket 7 is provided with B chambers.
It should be noted that the B chambers of the present embodiment are the pore channels connected up and down.
6 symmetrical two C chambers of relative servo spool are provided with specifically, being oriented on the end face of lubrication cover plate 4, C chambers are to let out
Oil lubrication chamber.
Specifically, the end face that C chambers lubricate cover plate 4 by being oriented to is communicated to servo spool 6, and reclined setting with antirotation keys 5.
Specifically, C chamber of the lubricating oil through bottom is flowed into valve body, and flowed out by the C chambers on top.
It should be noted that the C chambers of the present embodiment are L-shaped passage.
It should be noted that support 2 is in 90 ° of angles to angular breach, angular breach is provided between valve pocket 7.
Valve, including servomotor 1, support 2, guiding lubrication cover plate 4 are forged using the servo of the present embodiment soon, three is by screw
Tighten together；The output shaft of servomotor 1 is connected jackscrew 8 with the threads of lead screw of ball-screw assembly 3, withstands and anti-rotation is moved back
Silk；Lubrication cover plate 4 and the end face seal tight fit of valve pocket 7 are oriented to, and connects into an entirety；Servo spool 6 and ball-screw
The bearing bolt connection of assembly 3, and connect into an entirety.It is of the present utility model new compared with traditional servo forges valve soon
Type servo forges the switching speed of valve faster soon, and the frequency is higher, most can accordingly reach 200HZ soon；It is steady to open curve；Need not
Control oil, the motion of valve element directly drive leading screw to rotate driving valve element and moved up and down by servomotor 1；Valve element expansion rod part
Lubricate the draining by valve element, and the self-service lubrication of draining of system.
Embodiment 2
A kind of servo system that the present embodiment provides, including above-mentioned servo forge valve, in addition to FPGA control soon
Device processed；
When A chambers have hydraulic oil, programmable logic controller (PLC) sends instruction, makes servomotor 1 according to pre-set
Sine curve rotate clockwise, make that valve element is moved upwards and A chambers and B chambers are linked up, hydraulic oil is from A chambers by flowing to B chambers；
When B chambers have hydraulic oil, programmable logic controller (PLC) sends instruction, makes servomotor 1 according to setting in advance
Sine curve rotate clockwise, valve element is moved upwards, and B chambers and A chambers are linked up, hydraulic oil is from B chambers by flowing to A chambers.
As Figure 1-4, wherein, servo is forged the servomotor 1 that valve includes being set gradually by left and right, support 2, led soon
To lubrication cover plate 4 and valve pocket 7, the center of support 2, guiding lubrication cover plate 4 and valve pocket 7 is provided through ball-screw assembly 3, watches
The output shaft for taking motor 1 is connected with the threads of lead screw of ball-screw assembly 3, and the end face seal for being oriented to lubrication cover plate 4 and valve pocket 7 is tight
Close fit simultaneously connects as one structure；Valve pocket 7 is internally provided with servo spool 6, the axle of servo spool 6 and ball-screw assembly 3
Bolt connection is held to be structure as a whole；Leading screw can drive the bearing of ball-screw assembly 3 to move up and down, with the keying of regulating valve.
The outer face of valve pocket 7 is provided with A chambers.The outer peripheral face up/down perforation of valve pocket 7 is provided with B chambers.It is oriented on the end face of lubrication cover plate 4 and sets
6 symmetrical two C chambers of relative servo spool are equipped with, C chambers are draining lubricating cavity.The end face that C chambers lubricate cover plate 4 by being oriented to is communicated to
Servo spool 6, and reclined setting with antirotation keys 5.C chamber (Y1 direction in Fig. 1) of the lubricating oil through bottom is flowed into valve body, and by
C chambers (the Y2 directions in Fig. 1) outflow on top；C chambers are L-shaped passage；Support 2 is angular to being provided with angular breach between valve pocket 7
Breach is in 90 ° of angles.
Specifically, the outer wall of servo spool 6 is provided with external screw thread, accordingly, the inwall of valve pocket 7 is provided with internal thread,
External screw thread is connected with internal thread screw thread.
Specifically, mechanical seal is used between servo spool 6 and valve pocket 7.
It should be noted that the outer peripheral face of valve pocket 7 is respectively arranged with the second valve pocket static seal 13 from right to left in B chambers both sides
With the first valve pocket static seal 12, wherein static seal is conventional sealing means, that is, is provided with sealing ring.
9 are slidingly sealed it should also be noted that, being oriented to and being used between lubrication cover plate 4 and servo spool 6.
It should also be noted that, use cover plate static seal 10 between valve pocket 7 and guiding lubrication cover plate 4.
It should also be noted that, the outer face for being oriented to C chambers on lubrication cover plate 4 uses oil leab static seal 11.
Explanation is needed further exist for, servo spool 6 sequentially passes through valve pocket 7 by A chambers and is oriented to lubrication cover plate 4, and watches
Take valve element 6 narrower end face and be oriented to lubrication cover plate 4 end face it is concordant set, the end face of ball-screw assembly 3 and servo valve
The narrower end face of core 6, which abuts, to be set, and the output shaft of servomotor 1 is connected by the threads of lead screw of screw and ball-screw assembly 3
Connect, the side of the screw is provided with aperture, for passing through for jackscrew 8, jackscrew 8 is used for preventing the rotation of screw, that is, prevents from rolling
Ballscrew assembly 3, which rotates, produces the problem of rotation is moved back thread.
Also need to further illustrate, be oriented to the die cavity being provided with lubrication cover plate 4 for accommodating servo spool 6, and
And clearance space is provided between the inwall of the die cavity and the outer wall of servo spool 6, meanwhile, between servo spool 6 and the die cavity
Antirotation keys 5 are additionally provided with, antirotation keys 5 are used for the random rotation for preventing servo spool 6.
Specifically, the outer face of B chambers is arranged to outwardly open inclined-plane.
Valve, in addition to programmable logic controller (PLC) are forged using the servo system of the present embodiment, including above-mentioned servo soon,
Programmable logic controller (PLC) is PLC, when servomotor 1 provides instruction motion according to PLC to be rotated, drives ball-screw assembly
3 leading screw rotates, and leading screw rotates moving up and down for the bearing of drive ball-screw assembly 3, completes the switch of valve.When A chambers are present
Hydraulic oil, PLC send instruction, servomotor 1 is rotated clockwise according to the sine curve set in advance, valve element is transported upwards
Dynamic A chambers and B chambers are linked up, and hydraulic oil is from A chambers by flowing to B chambers；When B chambers have hydraulic oil, PLC sends instruction, makes servomotor 1
Sine curve according to setting in advance rotates clockwise, and valve element is moved B chambers and the communication of A chambers upwards, and hydraulic oil passes through from B chambers
Flow to A chambers；C chambers are draining lubricating cavity, and due to the motion of telling of valve element, antirotation keys 5 and guiding lubrication cover plate 4 rub for contact,
Need to lubricate, simultaneously because being mechanical seal between servo spool 6 and valve pocket 7, draining be present, so C chambers play draining, lubrication
And the effect of cooling, lubricating oil enters after C chambers from Y1 flows back to fuel tank by Y2.The novel servo valve system of the technical program
Faster, the frequency is higher for switching speed, most can accordingly reach 200HZ soon；It is steady to open curve；Oil need not be controlled, valve element
Motion directly drives leading screw to rotate driving valve element and moved up and down by servomotor 1；The lubrication of the expansion rod part of servo spool 6 passes through
The draining of valve element, and the self-service lubrication of draining of system.
The servo system of the technical program is mainly used in the flow control of hydraulic system, specifically used in rapid forge machine
Steady pressure release and unloading after pressurization.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (10)
1. a kind of servo forges valve soon, it is characterised in that including the servomotor, support, guiding lubrication set gradually by left and right
Cover plate and valve pocket, the center of the support, the guiding lubrication cover plate and the valve pocket are provided through ball-screw assembly, institute
The output shaft for stating servomotor is connected with the threads of lead screw of the ball-screw assembly, described to be oriented to lubrication cover plate and the valve pocket
End face seal be fitted close and connect as one structure；
The valve pocket is internally provided with servo spool, and the bearing bolt of the servo spool and the ball-screw assembly is connected as
Integrative-structure；
The leading screw can drive the bearing of the ball-screw assembly to move up and down, with the keying of regulating valve.
2. servo according to claim 1 forges valve soon, it is characterised in that the outer face of the valve pocket is provided with A chambers.
3. servo according to claim 2 forges valve soon, it is characterised in that the outer peripheral face up/down perforation of the valve pocket is provided with
B chambers.
4. servo according to claim 3 forges valve soon, it is characterised in that described be oriented on the end face of lubrication cover plate is provided with
The relatively described symmetrical two C chambers of servo spool, the C chambers are draining lubricating cavity.
5. servo according to claim 4 forges valve soon, it is characterised in that the C chambers are by the end for being oriented to lubrication cover plate
Face is communicated to the servo spool, and is reclined setting with antirotation keys.
6. servo according to claim 5 forges valve soon, it is characterised in that C chamber of the lubricating oil through bottom is flowed into valve body, and
Flowed out by the C chambers on top.
7. a kind of servo system, it is characterised in that forge valve soon including the servo described in the claims any one of 3-6, also
Including programmable logic controller (PLC)；
When the A chambers have hydraulic oil, the programmable logic controller (PLC) sends instruction, makes the servomotor according to advance
The sine curve set rotates clockwise, and makes the valve element motion and A chambers and the B chambers are linked up upwards, hydraulic oil from
The A chambers are by flowing to the B chambers；
When the B chambers have hydraulic oil, the programmable logic controller (PLC) sends instruction, makes the servomotor according in advance
The sine curve set is rotated clockwise, and the valve element is moved upwards, and the B chambers and the A chambers are linked up, hydraulic oil from
The B chambers are by flowing to the A chambers.
8. servo system according to claim 7, it is characterised in that the C chambers are L-shaped passage.
9. servo system according to claim 8, it is characterised in that the outer wall of the servo spool is provided with outer spiral shell
Line, accordingly, the inwall of the valve pocket are provided with internal thread, and the external screw thread is connected with the internal thread screw thread.
10. servo system according to claim 9, it is characterised in that adopted between the servo spool and the valve pocket
Use mechanical seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720105323.6U CN206647334U (en) | 2017-01-24 | 2017-01-24 | Servo forges valve and servo system soon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720105323.6U CN206647334U (en) | 2017-01-24 | 2017-01-24 | Servo forges valve and servo system soon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206647334U true CN206647334U (en) | 2017-11-17 |
Family
ID=60284205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720105323.6U Active CN206647334U (en) | 2017-01-24 | 2017-01-24 | Servo forges valve and servo system soon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206647334U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762913A (en) * | 2017-01-24 | 2017-05-31 | 王安基 | Servo forges valve and servo system soon |
| CN111843422A (en) * | 2020-08-04 | 2020-10-30 | 中国工程物理研究院总体工程研究所 | Auxiliary anti-rotation structure containing micro-gap dissimilar material assembly body |
-
2017
- 2017-01-24 CN CN201720105323.6U patent/CN206647334U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762913A (en) * | 2017-01-24 | 2017-05-31 | 王安基 | Servo forges valve and servo system soon |
| CN111843422A (en) * | 2020-08-04 | 2020-10-30 | 中国工程物理研究院总体工程研究所 | Auxiliary anti-rotation structure containing micro-gap dissimilar material assembly body |
| CN111843422B (en) * | 2020-08-04 | 2022-06-24 | 中国工程物理研究院总体工程研究所 | Auxiliary anti-rotation structure containing micro-gap dissimilar material assembly body |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106762913A (en) | Servo forges valve and servo system soon | |
| CN102705286B (en) | Balanced high-pressure large-current AC (Alternating Current) servo direct-driven cartridge valve | |
| CN104344017B (en) | A kind of flat closed type reversal valve | |
| CN206647334U (en) | Servo forges valve and servo system soon | |
| CN104847750B (en) | Electro-hydraulic combined type linear actuator | |
| CN205260985U (en) | Axial flow control valve | |
| CN205260853U (en) | Guide's formula oxygen stop valve | |
| CN103899791A (en) | Proportional flow rotary valve for alternating-current servo motor direct drive type unloading | |
| CN104863924A (en) | Three-cavity power hydraulic cylinder | |
| CN102877926B (en) | Automobile engine thermostat and thermoregulation method thereof | |
| CN105855919B (en) | A kind of high speed dry cutting gear-hobbing machine turntable | |
| CN106091010A (en) | A kind of engine chamber duplex burner valve | |
| EP4033180B1 (en) | Electromagnetic valve having hard sealing structure | |
| CN105257855A (en) | High-parameter multistage pressure reducing valve with porous valve core | |
| CN102691614B (en) | Double-stator swing hydraulic multi-speed motor | |
| CN202418077U (en) | Motor-driven servo valve | |
| CN204493846U (en) | A kind of compact type valve driving machine structure | |
| CN201723520U (en) | Swing type hydraulic proportioning and servo valve | |
| CN203701052U (en) | Synchronous hydraulic integrated type hoist | |
| CN104676079A (en) | Compact valve driving mechanism | |
| CN106122146B (en) | The microminiature 2D electromagnetic switch valves that a kind of hydraulic pressure resets | |
| CN202007887U (en) | Integral sealing engineering cylinder | |
| CN104154068A (en) | Corner self-servo valve control annular cylinder | |
| CN103244502B (en) | Double-acting piston oil hydraulic cylinder | |
| CN103398198A (en) | Rapid intermittent feeding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |