CN206177566U - Pneumatic debugging device of prestage for servovalve - Google Patents
Pneumatic debugging device of prestage for servovalve Download PDFInfo
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- CN206177566U CN206177566U CN201621172345.6U CN201621172345U CN206177566U CN 206177566 U CN206177566 U CN 206177566U CN 201621172345 U CN201621172345 U CN 201621172345U CN 206177566 U CN206177566 U CN 206177566U
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- prestage
- servo valve
- pneumatic
- special
- laser sensor
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Abstract
The utility model belongs to the technical field of hydraulic control, concretely relates to pneumatic debugging device of prestage for servovalve. The utility model discloses in, the steady voltage air supply respectively with two float flowmeter intercommunication, two float flowmeter respectively with the servovalve prestage on the nozzle intercommunication, rotatory differential head passes the bottom plate support and touches with heterotypic bridge joint, is equipped with the spring between bottom plate support and the abnormal shape frame, and heterotypic rest base portion passes through guide rail and bottom plate support bottom sliding connection, the abnormal shape frame is connected with drawing pressure sensor one end, draws the other end and the cooperation pole of pressing the sensor to be connected, laser sensor no. 1 is located the servovalve prestage directly over, laser sensor no. 2 lies in the outside of cooperation pole. The utility model discloses can realize that the prestage spouts the accurate test in fender clearance and the accurate control of the nozzle amount of feeding, realizes the independent debugging of servovalve prestage.
Description
Technical field
This utility model belongs to technical field of hydraulic, and in particular to a kind of servo valve pneumatic debugging dress of prestage
Put.
Background technology
Electrohydraulic servo valve is the key element of electrohydraudic servomechanism, and prestage is the core component of servo valve, its debugging essence
Degree directly affects servo valve performance.At present, servo valve debugging process is using prestage and power stage comprehensive debugging mode, i.e., preposition
Level and power stage are installed together debugging, unfavorable using the method for can not quick and precisely position when searching servo valve problem
In servo valve stable performance.
The content of the invention
The technical problem that this utility model is solved：For the deficiencies in the prior art, this utility model provides a kind of servo valve
With the pneumatic debugging apparatus of prestage, the accurate test in prestage spray block gap and the precise control of the nozzle amount of feeding can be realized,
Realize the independent debugging of servo valve prestage.
The technical solution adopted in the utility model：
A kind of servo valve pneumatic debugging apparatus of prestage, including pressure-stabilized air source, suspended body flowmeter, rotation differential head, bottom
Board mount, spring, pull pressure sensor, depending post, laser sensor one, laser sensor two；
Pressure-stabilized air source is connected respectively with two suspended body flowmeters, two suspended body flowmeters respectively with servo valve prestage on
Nozzle is connected；Rotation differential head is touched through mount holder with special-shaped bridge joint, and between mount holder and special-shaped frame spring is provided with, special-shaped
Frame bottom is connected by guide rail with mount holder basal sliding；Special-shaped frame is connected with tension-compression sensor one end, tension-compression sensor
The other end is connected with depending post；Laser sensor one is located at the surface of servo valve prestage；Laser sensor two is located at and coordinates
The outside of bar.
The pressure-stabilized air source provides the cleaning of stable air pressure by filter, oil water separator and high-precision pneumatic pressure valve
Source of the gas.
The mount holder plays a part of to support fixed rotation differential head.
The spring for extension spring can make special-shaped frame with rotation differential head contact all the time, special-shaped frame can rotation differential head and
Move horizontally in the presence of spring.
The armature bead being provided with the sulculus of the depending post in servo valve prestage.
The laser sensor one can measure the oscillating quantity of armature component pole shoe in servo valve prestage；Laser sensor
Two displacements that can measure depending post.
The beneficial effects of the utility model：
(1) a kind of servo valve pneumatic debugging apparatus of prestage that this utility model is provided, realize between prestage spray block
The accurate test of gap and the precise control of the nozzle amount of feeding, realize the independent debugging of servo valve prestage, solve servo valve
Batch production process production conflict；
(2) a kind of servo valve pneumatic debugging apparatus of prestage that this utility model is provided, can in advance find prestage
The problem of presence, reduces the workload that servo valve debugging process checks problem；
(3) a kind of servo valve pneumatic debugging apparatus of prestage that this utility model is provided, can test armature component comprehensive
Closing rigidity, the pure rigidity of torque-motor, test prestage pressure gain etc. affects the pass weight performance indications of servo valve performance, to improving
Servo valve debugging stability, homogeneity of product have important realistic meaning.
Description of the drawings
The pneumatic debugging apparatus structural representation of a kind of servo valve prestage that Fig. 1 is provided for this utility model；
Fig. 2 is to carry out detection structural representation using this utility model；
In figure：1- pressure-stabilized air sources, 2- suspended body flowmeters, 3- rotation differential heads, 4- mount holders, 5- springs, 6- nozzles, 7-
Before pull pressure sensor, 8- armature beads, 9- depending posts, 10- laser sensors one, 11- laser sensors two, 12- servo valves
Put level, 13- abnormal shape framves, 14- gaps one, 15- gaps two.
Specific embodiment
A kind of servo valve below in conjunction with the accompanying drawings this utility model provided with the specific embodiment pneumatic debugging of prestage
Device is described in further detail.
Embodiment 1
As shown in figure 1, a kind of servo valve pneumatic debugging apparatus of prestage that this utility model is provided, including pressure-stabilized air source
1st, suspended body flowmeter 2, rotation differential head 3, mount holder 4, spring 5, pull pressure sensor 7, depending post 9, laser sensor one
10th, laser sensor 2 11；
Pressure-stabilized air source 1 provides the clean gas of stable air pressure by filter, oil water separator and high-precision pneumatic pressure valve
Source, respectively with two suspended body flowmeters 2 by pneumatic line and fittings, two suspended body flowmeters 2 lead to respectively pressure-stabilized air source 1
The nozzle 6 crossed pneumatic line, joint and be fixed in the transition block with gas circuit and servo valve prestage 12 on mount holder 4
Connection；Rotation differential head 3 is contacted through mount holder 4 with special-shaped frame 13, and mount holder 4 supports fixed rotation differential head 3
Effect, between mount holder 4 and special-shaped frame 13 spring 5 is provided with, and the bottom of special-shaped frame 13 is slided by spherical guide with mount holder 4
Connection, spring 5 can be such that special-shaped frame 13 contacts all the time with rotation differential head for extension spring, and special-shaped frame 13 can be in the He of rotation differential head 3
Move horizontally in the presence of spring 5, special-shaped frame 13 is connected with the one end of tension-compression sensor 7, the other end and the cooperation of tension-compression sensor 7
Bar 9 connects, and in the sulculus of the insertion depending post 9 of armature bead 8 in servo valve prestage 12, laser sensor 1 is located at servo
The surface at armature one end pole shoe center of valve prestage 12, by armature group in laser non-contact measuring servo valve prestage 12
The oscillating quantity of part pole shoe；Laser sensor 2 11 is located at the outside of depending post 9, by the position of laser non-contact measuring depending post 9
Shifting amount.
Operation principle 1 is：Such as Fig. 1, the gas of steady pressure is provided by pressure-stabilized air source 1, gas is through two float streams
2 points of gauge is the rear end of the nozzle 6 that two-way is entered in servo valve prestage 12, and gas is through the aperture of nozzle 6 and nozzle 6 and baffle plate
Between gap (i.e. the gap 1 and gap 2 15 of enlarged drawing) flow into air afterwards.It is corresponding by the float of suspended body flowmeter
Scale can read the size in gap 1 and gap 2 15.The nozzle in servo valve prestage 12 is being debugged by debugging tool
When 6 position, can check whether nozzle location meets gap 1 and gap 2 15 by range estimation suspended body flowmeter equal
Requirement, and gap 1 and the size of gap 2 15 meet desired size (different product size be different, and scope is 0.02
Between~0.05mm).
Operation principle 2 is：Such as Fig. 1, special-shaped frame 13 under the pulling force effect of spring 5, all the time by pulling force to the left, differential
3 when rotating forward, and the push rod of differential head 3 withstands the top of special-shaped frame 13, moves right special-shaped frame 13, and differential head 3 is reverse
During rotation, special-shaped frame 13 is in the presence of spring 3 to left movement.Depending post on pressure transducer 7 is adjusted by rotating differential head 3
9, the displacement of armature bead in servo valve prestage 12 can be changed, measured in servo valve prestage 12 by pressure transducer 7
The stress of armature bead, by laser sensor 2 11 displacement of armature bead in servo valve prestage 12 is measured, while watching
The armature pole shoe taken in valve prestage 12 can swing, and be measured by laser sensor 1.Before being tested by calculating
Put the performances such as the integral stiffness of level.
Operation principle 3 is：Such as Fig. 2, in the performance after installing electromagnet portion in debugging and test servo valve prestage 12,
The gas of steady pressure is provided by pressure-stabilized air source 1, gas is that two-way is preposition into servo valve through two 2 points of suspended body flowmeters
The rear end of the nozzle 6 in level 12, gap of the gas between nozzle 6 and baffle plate (the i.e. gap 1 and gap two of enlarged drawing
15) air is flowed into after.The size in gap 14 and gap 15 can be read by the corresponding scale of the float of suspended body flowmeter.Power-up
Signal can adjust cooperation on pressure transducer 7 with the performance of the servo valve prestage 12 of the signal of telecommunication is not added with by rotation differential head 3
Bar 9, can change the displacement of armature bead in servo valve prestage 12, and by pressure transducer 7 servo valve prestage 12 is measured
The stress of interior armature bead, by laser sensor 2 11 displacement of armature bead in servo valve prestage 12 is measured.Pass through
Calculating can test the performances such as the pure rigidity of torque-motor, prestage pressure gain, the electromagnetic torque of servo valve prestage 12.By adjusting
The electromagnet portion part of examination servo valve prestage 12 makes specified power up signal and is not added with each measured value of the signal of telecommunication to meet process stipulation
Scope can complete the debugging efforts of servo valve prestage 12.
Claims (6)
1. a kind of servo valve pneumatic debugging apparatus of prestage, it is characterised in that：Including pressure-stabilized air source (1), suspended body flowmeter
(2), differential head (3), mount holder (4), spring (5), pull pressure sensor (7), depending post (9), laser sensor one are rotated
(10), laser sensor two (11)；
Pressure-stabilized air source (1) is connected respectively with two suspended body flowmeters (2), and two suspended body flowmeters (2) are preposition with servo valve respectively
Nozzle connection in level (12)；Rotation differential head (3) is contacted through mount holder (4) with special-shaped frame (13), mount holder (4) and
Spring (5) is provided between special-shaped frame (13), special-shaped frame (13) bottom is connected by guide rail with mount holder (4) basal sliding；It is different
Type frame (13) is connected with tension-compression sensor (7) one end, and the other end of tension-compression sensor (7) is connected with depending post (9)；Laser sensing
Surface of the device one (10) positioned at servo valve prestage (12)；Outside of the laser sensor two (11) positioned at depending post (9).
2. a kind of servo valve according to claim 1 pneumatic debugging apparatus of prestage, it is characterised in that：The voltage stabilizing gas
Source (1) provides the clean gas source of stable air pressure by filter, oil water separator and high-precision pneumatic pressure valve.
3. a kind of servo valve according to claim 1 pneumatic debugging apparatus of prestage, it is characterised in that：The base plate
Frame (4) plays a part of to support fixed rotation differential head (3).
4. a kind of servo valve according to claim 1 pneumatic debugging apparatus of prestage, it is characterised in that：The spring
(5) for extension spring special-shaped frame (13) can be made to contact all the time with rotation differential head, special-shaped frame (13) can be in rotation differential head (3) and bullet
Spring is moved horizontally in the presence of (5).
5. a kind of servo valve according to claim 1 pneumatic debugging apparatus of prestage, it is characterised in that：The depending post
(9) the armature bead being provided with sulculus in servo valve prestage (12).
6. a kind of servo valve according to claim 1 pneumatic debugging apparatus of prestage, it is characterised in that：The laser
Sensor one (10) can measure the oscillating quantity of the interior armature component pole shoe of servo valve prestage (12)；Laser sensor two (11) can
The displacement of measurement depending post (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621172345.6U CN206177566U (en) | 2016-10-26 | 2016-10-26 | Pneumatic debugging device of prestage for servovalve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621172345.6U CN206177566U (en) | 2016-10-26 | 2016-10-26 | Pneumatic debugging device of prestage for servovalve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206177566U true CN206177566U (en) | 2017-05-17 |
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ID=58680925
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621172345.6U Active CN206177566U (en) | 2016-10-26 | 2016-10-26 | Pneumatic debugging device of prestage for servovalve |
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| CN (1) | CN206177566U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084972A (en) * | 2018-07-26 | 2018-12-25 | 大连理工大学 | A kind of test device and test method for safety valve valve disc lift |
-
2016
- 2016-10-26 CN CN201621172345.6U patent/CN206177566U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084972A (en) * | 2018-07-26 | 2018-12-25 | 大连理工大学 | A kind of test device and test method for safety valve valve disc lift |
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