CN208778822U - A kind of split type pneumatic actuator valve feedback device - Google Patents
A kind of split type pneumatic actuator valve feedback device Download PDFInfo
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- CN208778822U CN208778822U CN201821119256.4U CN201821119256U CN208778822U CN 208778822 U CN208778822 U CN 208778822U CN 201821119256 U CN201821119256 U CN 201821119256U CN 208778822 U CN208778822 U CN 208778822U
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- China
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- valve
- feedback device
- pneumatic actuator
- valve feedback
- jointing
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Abstract
A kind of split type pneumatic actuator valve feedback device, belong to valve field, it is separately positioned between the pneumatic actuator valve feedback device and valve body and pneumatic actuator, pneumatic actuator is arranged on valve body, it is connected between pneumatic actuator on valve feedback device and valve body using flexible axle, flexible axle both ends end is respectively arranged with and the jointing that connects between pneumatic actuator on valve feedback device and valve body, by using the utility model, having broken valve feedback device must be with the traditional concept of valve one, electric elements are solved in high temperature, it is moist, the influence of the adverse circumstances such as vibration, the service life of valve electrical equipment can be extended, facilitate the investigation and maintenance of valve electrical equipment failure, keep the installation of valve feedback device more humanized, the maintenance cost and maintenance that valve can be reduced are brought Security risk.
Description
Technical field
The utility model relates to a kind of feedback device, in particular to a kind of split type pneumatic actuator valve feedback device,
Belong to valve field.
Background technique
Pneumatic actuator is the executive device with the opening and closing of air pressure power drive or control valve, but by title pneumatic actuator or
Pneumatic device.Pneumatic actuator is also equipped with certain auxiliary device sometimes.There are commonly valve positioner, valve feedback and handwheels
Mechanism.Valve feedback includes two kinds of forms of valve position limiter and valve indicating module, one is on-off model, in addition one
Kind is analog signals, and no matter which kind of has electrical signal.
The effect of valve positioner is to improve the performance of actuator using feedback principle, enables actuator by controller
Signal is controlled, realizes accurately positioning.The effect of handwheel be when control system because having a power failure, stopping the supple of gas or steam, controller without output or
When executing agency's failure, using it can direct manipulation and control valve, to maintain being normally carried out for production.
The working principle of pneumatic actuator is the gas push dual-active when compressed air enters pneumatic actuator from A pipe nozzle
It fills in and moves along a straight line to both ends (head side), the gear in rack drives rotary shaft on piston rotates in an anti-clockwise direction 90 degree, valve
Door is opened.The gas at Pneumatic executive valve both ends is discharged with B pipe nozzle at this time.Conversely, when compressed air enters pneumatically from B official's nozzle
When the both ends of actuator, double fill in of gas push moves to middle straight line, the gear up time in rack drives rotary shaft on piston
Needle direction rotates 90 degree, and valve is closed.The gas among pneumatic actuator is discharged with A pipe nozzle at this time.
Pneumatic device is mainly made of cylinder, piston, gear shaft, end cap, sealing element, screw etc.;Complete pneumatic device is also
It should include the components compositions such as aperture instruction, stroke limit, solenoid valve, locator, pneumatic element, man-operated mechanism, signal feedback.
Pneumatic positioner valve structural principle: pneumatic positioner valve receives from controller or control system 4~
The weak electric signals such as 20mA, and the device that air signal comes control valve position is conveyed to pneumatic actuator.
It is matched with pneumatic control valve, constitutes close loop control circuit.The DC current signal that control system is provided
It is converted into the gas signal of driving regulating valve, controls to adjust the movement of valve.It is fed back simultaneously according to the aperture of regulating valve, makes valve
Position can be properly positioned by the control signal that system exports.
Present pneumatic actuator valve feedback is all together with valve body.Fig. 8 is existing pneumatic actuator valve
Structural schematic diagram, actuator is assembled on valve body 11 in figure, valve feedback device 13 is connected on actuator 12, now
Pneumatic actuator valve be primarily present defect below:
(1) valve is in high altitude location, environmental pollution position, if valve feedback device and valve body and actuator group
Mounted in one, it is highly detrimental to the installation, debugging and maintenance of valve feedback device in this way；
(2) if valve under high temperature environment, valve feedback device and valve body and actuator are assembled in one, valve
Door feedback is affected by environment, easily reduces the service life of valve feedback device, increases maintenance cost；
(3) if valve feedback device is mounted on high-altitude, high temperature, high pollution, not only device itself will receive running environment
It influences, and in installation, maintenance, maintenance process, the operating risk of maintenance personnel can be brought.
Summary of the invention
It is combined for existing valve feedback device and valve body and is unfavorable for installation, debugging and maintenance, it is special
It is not that the service life is reduced, maintenance cost increases under the environment such as high temperature, reduces the service life, brings the problems such as operating risk, this
Utility model provides a kind of split type pneumatic actuator valve feedback device, and the purpose is to feed back valve by flexible shaft device to fill
It sets and is provided separately with valve body and pneumatic actuator, valve feedback is extended and is mounted on the good position of environment temperature, it can
The service life for effectively extending feedback device is avoided, also can avoid the high altitude operation risk of operating personnel.
The technical solution of the utility model is: a kind of split type pneumatic actuator valve feedback device, the pneumatic execution
Separately positioned between device valve feedback device and valve body and pneumatic actuator, pneumatic actuator is arranged in valve body
On, it is connected between the pneumatic actuator on valve feedback device and valve body using flexible axle, flexible axle both ends end is respectively set
The jointing for having and being connected between pneumatic actuator on valve feedback device and valve body；
Further, the flexible axle periphery is provided with pillar, and pillar both ends are connected with hollow bolt, hollow bolt and nut it
Between clamp have bracket, bracket is separately fixed on the pneumatic actuator of valve feedback device and valve body；
Further, the jointing includes valve feedback device side jointing and actuator side jointing, connection
Connector is cylindrical body, and one end setting of two jointings is provided with flexible axle connecting hole, is provided in connecting hole vertical direction
Lock screw, the other end of valve feedback device side jointing be provided with radial groove, actuator side jointing it is another
End has been wholely set radial key；
Further, the flexible axle length is within 10 meters；
Further, it is provided with long hole on the bracket, the hollow bolt periphery being clamped on bracket and two long side phase of long hole
Coincide, hollow bolt periphery is threaded with nut, nut be pressed between bracket.
The good effect that the utility model has are as follows: by by pneumatic actuator valve feedback device and valve body and
Pneumatic actuator is separately positioned, can realize valve electric appliance according to the installation site of work on the spot environmental selection valve feedback device
The separation of equipment component and valve body ontology；By the way that flexible axle is utilized between pneumatic actuator on valve feedback device and valve body
Connection realizes valve location rotation angle and power remote transmission, can avoid the adverse circumstances of setting valve feedback device,
It can prevent the damage for leading to valve feedback device because of environment reason；By the way that jointing is arranged at flexible axle both ends, and connect in connection
Radial groove or the radial key with jointing one are respectively arranged on head, it is gentle to connect respectively with valve feedback device side
Dynamic actuator side connection, ensure that the long-range transmitting of rotation angle and rotary power, by valve feedback device side and execution
Respective bracket is respectively set in device side, can guarantee that flexible axle end connecting joint connect with valve feedback device side or pneumatically executes
Being stably connected between device；By using the utility model, having broken valve feedback device must see with the tradition of valve one
It reads, solves electric elements in the influence of the adverse circumstances such as high temperature, humidity, vibration, can extend valve electrical equipment uses the longevity
Life, facilitates the investigation and maintenance of valve electrical equipment failure, keeps the installation of valve feedback device more humanized, can reduce valve
Maintenance cost and maintenance bring security risk, keep it is original use function and using effect.
Detailed description of the invention
The structural schematic diagram of the split type pneumatic actuator valve of Fig. 1.
Structural schematic diagram of Fig. 2 the utility model in pneumatic actuator side.
Structural schematic diagram of Fig. 3 the utility model in valve feedback side.
The overlooking structure diagram of Fig. 4 hollow bolt.
The overlooking structure diagram of Fig. 5 pneumatic actuator side stand.
The overlooking structure diagram of Fig. 6 valve feedback side stand.
Side structure schematic view between Fig. 7 valve feedback side.
The one-piece type actuator valve overall structure diagram of Fig. 8.
Label declaration: 10- pillar, 10a- flexible axle, 11- valve body, 12- actuator, 13- valve feedback device, 13a-
Actuator side stand, 13b- valve feedback device side stand, 14a- actuator side jointing, the valve feedback device side 14b- connect
Connector, 15a- radial direction key, 15b- radial groove, 16- lock screw, 17- hollow bolt, 18- nut, 20- long hole, 21- are solid
Determine screw hole one, 22- fixing threaded hole two, 23- fixing threaded hole three.
Specific embodiment
The technical solution of the utility model is described in detail referring to the drawings.
The technical solution of the utility model is a kind of split type pneumatic actuator valve feedback device, and Fig. 1 is split type point
The structural schematic diagram of body formula pneumatic actuator valve.Fig. 2 is structural schematic diagram of the utility model in pneumatic actuator side.Fig. 3
It is structural schematic diagram of the utility model in valve feedback side.The pneumatic actuator valve feedback device and valve body 11 with
And it is separately positioned between pneumatic actuator 12, pneumatic actuator 12 is arranged on valve body 11, valve feedback device and valve
Flexible axle 10a connection is utilized between pneumatic actuator 12 on ontology 11, the both ends flexible axle 10a end is respectively arranged with feeds back with valve
The jointing connected between pneumatic actuator 12 on device and valve body 11.
Fig. 4 is the overlooking structure diagram of hollow bolt.The periphery the flexible axle 10a is provided with pillar 10,10 both ends of pillar
It is connected with hollow bolt 17, clamping between hollow bolt 17 and nut 18 has bracket, and bracket is separately fixed at valve feedback device
On the pneumatic actuator 12 of valve body 11.
The jointing includes valve feedback device side jointing 14b and actuator side jointing 14a, and connection connects
Head is cylindrical body, and one end setting of two jointings is provided with flexible axle 10a connecting hole, is provided in connecting hole vertical direction
It is locked with lock screw 16, the other end of valve feedback device side jointing 14b is provided with radial groove 15b, actuator side
The other end of jointing 14a has been wholely set radial key 15a.
The flexible axle 10a length is within 10 meters.
Fig. 5 is the overlooking structure diagram of pneumatic actuator side stand.Fig. 6 is the plan structure of valve feedback side stand
Schematic diagram.Fig. 7 is the side structure schematic view between valve feedback side.It is provided with long hole 20 on the bracket, is clamped in bracket
On 17 periphery of hollow bolt match with 20 liang of long sides of long hole, 17 periphery of hollow bolt is threaded with nut 18, nut 18
Bracket between being pressed on.
For the convenience of fixed installation, the fixing threaded hole 1 of strip is provided on pneumatic actuator side stand.Together
The reason of sample, feeds back the fixation between side stand and valve feedback in order to facilitate valve, also opens up in valve feedback side bracket side
There are the fixing threaded hole 2 22 and fixing threaded hole 3 23 of strip.
The utility model is by by pneumatic actuator valve feedback device 13 and valve body 11 and pneumatic actuator 12
It is separately positioned, valve electricity can be realized according to the installation site of the preferable valve feedback device 13 of work on the spot environmental selection environment
It is separately positioned between device equipment component and valve body ontology 11；Pass through the actuator on valve feedback device 13 and valve body 11
Flexible axle 10a connection is utilized between 12, realizes the remote transmission of valve gate aperture and power, and valve feedback device can be avoided setting
The adverse circumstances set can prevent the damage for leading to valve feedback device because of environment reason；It is connected by being arranged at the both ends flexible axle 10a
Connector, and the radial groove 15b or radial key 15a with jointing one is respectively arranged on jointing, can respectively with
The connection of valve feedback device 13 and the matching connection of 12 side of actuator, it is ensured that the long-range rotation and biography of rotation angle and rotary power
It passs, by the way that valve feedback device side stand 13b and actuator side stand is respectively set in valve feedback device side and actuator side
13a can guarantee being stably connected between flexible axle 10a end connecting joint and valve feedback device 13 or actuator 12；Pass through
Using the utility model, valve electrical equipment failure must be facilitated with the traditional concept of valve one by having broken valve feedback
Investigation and maintenance, keep the installation of valve feedback device 13 more humanized, avoid electric elements in high temperature, humidity, vibration etc.
Bring influences under adverse circumstances, can extend the service life of valve electrical equipment, reduces maintenance cost and maintenance bring
Security risk keeps original and uses function and using effect.
Claims (5)
1. a kind of split type pneumatic actuator valve feedback device, it is characterised in that: the pneumatic actuator valve feedback device
Separately positioned between valve body and pneumatic actuator, pneumatic actuator is arranged on valve body, valve feedback device
It is connect between the pneumatic actuator on valve body using flexible axle, flexible axle both ends end is respectively arranged with and valve feedback device
And the jointing connected between pneumatic actuator on valve body.
2. a kind of split type pneumatic actuator valve feedback device according to claim 1, it is characterised in that: the flexible axle
Periphery is provided with pillar, and pillar both ends are connected with hollow bolt, and clamping between hollow bolt and nut has bracket, and bracket is solid respectively
It is scheduled on the pneumatic actuator of valve feedback device and valve body.
3. a kind of split type pneumatic actuator valve feedback device according to claim 1, it is characterised in that: the connection
Connector includes valve feedback device side jointing and actuator side jointing, and jointing is cylindrical body, and two connect
One end setting of head is provided with flexible axle connecting hole, and lock screw, valve feedback device side are provided in connecting hole vertical direction
The other end of jointing is provided with radial groove, the other end of actuator side jointing has been wholely set radial key.
4. a kind of split type pneumatic actuator valve feedback device according to claim 1, it is characterised in that: the flexible axle
Length is within 10 meters.
5. a kind of split type pneumatic actuator valve feedback device according to claim 2, it is characterised in that: the bracket
On be provided with long hole, the hollow bolt periphery being clamped on bracket matches with two long side of long hole, hollow bolt periphery screw thread connect
Be connected to nut, nut be pressed between bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821119256.4U CN208778822U (en) | 2018-07-16 | 2018-07-16 | A kind of split type pneumatic actuator valve feedback device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821119256.4U CN208778822U (en) | 2018-07-16 | 2018-07-16 | A kind of split type pneumatic actuator valve feedback device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208778822U true CN208778822U (en) | 2019-04-23 |
Family
ID=66153971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821119256.4U Expired - Fee Related CN208778822U (en) | 2018-07-16 | 2018-07-16 | A kind of split type pneumatic actuator valve feedback device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208778822U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727795A (en) * | 2021-01-29 | 2021-04-30 | 上海华电电力发展有限公司望亭发电分公司 | Anti-surge valve position feedback device |
-
2018
- 2018-07-16 CN CN201821119256.4U patent/CN208778822U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727795A (en) * | 2021-01-29 | 2021-04-30 | 上海华电电力发展有限公司望亭发电分公司 | Anti-surge valve position feedback device |
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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: 20190423 Termination date: 20200716 |
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| CF01 | Termination of patent right due to non-payment of annual fee |