CN211717774U - Pneumatic regulating valve calibration device - Google Patents
Pneumatic regulating valve calibration device Download PDFInfo
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- CN211717774U CN211717774U CN202020745813.4U CN202020745813U CN211717774U CN 211717774 U CN211717774 U CN 211717774U CN 202020745813 U CN202020745813 U CN 202020745813U CN 211717774 U CN211717774 U CN 211717774U
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- regulating valve
- filtering
- pneumatic regulating
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Abstract
A pneumatic regulator valve calibration device, comprising: and a calibration table, an air compressor, a first filtering pressure reducing valve, a valuator, a digital pressure gauge, a pneumatic regulating valve, a valve positioner, a second filtering pressure reducing valve, a dial indicator, a controller and an air switch are installed. The application provides a pair of pneumatic control valve calibration equipment, the commonality is strong, and the installation is fixed swift, convenient operation, safe and reliable, and the calibration is simple and convenient, has improved the efficiency of work and the accuracy of check-up, and mounting flange adopts the screw rod to set up adjustably on the installation check-up bench, adapts to the governing valve of different grade type, effectively improves accommodation.
Description
Technical Field
The utility model belongs to the technical field of real standard device, concretely relates to pneumatic control valve calibration equipment.
Background
The pneumatic control valve calibration device is a training device for industrial process automation technology major in higher vocational schools, and mainly completes project training of assembly and stroke calibration of a pneumatic control valve, installation and wiring of a valve positioner, calibration of the pneumatic control valve and the valve positioner and the like. At present, a plurality of colleges and universities adopt self-made supports, need to be matched with corresponding testing tools, have no unified products and are weak in universality.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a pneumatic control valve calibration equipment, include:
the installation and calibration table is used for installing each instrument device; the mounting and checking platform is provided with a bracket, a mounting flange and a control box;
the air compressor is used for providing a compressed air source for the pneumatic regulating valve;
the first filtering and reducing valve is used for filtering the compressed air output by the air compressor and keeping the pressure of the compressed air output by the air compressor stable; the first filtering and reducing valve is arranged on the bracket and is connected with the air compressor;
the constant value device is used for adjusting the air source pressure output by the first filtering pressure reducing valve; the valuator is arranged on the bracket and is connected with the first filtering and reducing valve;
the digital pressure gauge is used for measuring the pressure of the air source output by the valuator; the digital pressure gauge is arranged on the bracket and is connected with the valuator;
a pneumatic regulating valve for the object to be corrected; the pneumatic regulating valve is arranged on the mounting flange;
the valve positioner is used as a corrected object and is matched with the pneumatic regulating valve for use so as to complete the functions of electrical conversion and valve positioning; the valve positioner is arranged on the pneumatic regulating valve and connected with the pneumatic regulating valve;
the second filtering and reducing valve is used for filtering gas entering the pneumatic regulating valve and the valve positioner and keeping the gas pressure stable; the second filtering pressure reducing valve is arranged on the valve positioner and is connected with the valve positioner;
the dial indicator is used for reading the action displacement of the connecting rod in the pneumatic regulating valve so as to provide a basis for judging the position of the valve core in the pneumatic regulating valve; the dial indicator is arranged on the pneumatic regulating valve and is connected with the pneumatic regulating valve;
the controller is used for providing control signals for the pneumatic regulating valve and the valve positioner when the pneumatic regulating valve and the valve positioner are verified; the controller is arranged on the control box and is respectively connected with an external power supply and the valve positioner;
the air switch is used for controlling the on-off of the controller and an external power supply; the air switch is arranged on the control box and connected with the controller.
Preferably, the air compressor is model number GWJ 550W-30.
Preferably, the first filtering pressure reducing valve and the second filtering pressure reducing valve are AW3000-03 in model number.
Preferably, the valuator has a model number of QGD-200.
Preferably, the model of the digital pressure gauge is HC-YBS-C.
Preferably, the pneumatic regulating valve is an HTS type pneumatic regulating valve (which can be replaced according to the requirements of practical training).
Preferably, the model of the valve positioner is YT-1000 (can be replaced according to the requirement of practical training).
Preferably, the dial indicator is ACE-G3301.
Preferably, the controller is of the type universal AI.
Preferably, the air switch is model number DZ 47-6.
The application provides a pair of pneumatic control valve calibration equipment, the commonality is strong, and the installation is fixed swift, convenient operation, safe and reliable, and the calibration is simple and convenient, has improved the efficiency of work and the accuracy of check-up, and mounting flange adopts the screw rod to set up adjustably on the installation check-up bench, adapts to the governing valve of different grade type, effectively improves accommodation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a mounting calibration stand in a pneumatic control valve calibration device provided by the present invention;
fig. 2 is a schematic connection diagram of a pneumatic control valve calibration apparatus provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
In an embodiment of the present application, as shown in fig. 1-2, the present application provides a pneumatic regulator valve checking apparatus, including: the calibration stand 1, the air compressor 2, the first filtering and reducing valve 3, the valuator 4, the digital pressure gauge 5, the pneumatic regulating valve 6, the valve positioner 7, the second filtering and reducing valve 8, the dial indicator 9, the controller 10 and the air switch 11 are installed, and the detailed description of each part is described below.
In the embodiment of the present application, as shown in fig. 1-2, the pneumatic regulating valve verifying apparatus provided by the present application includes:
the installation and calibration table 1 is used for installing each instrument device; the mounting and checking platform 1 is provided with a bracket 12, a mounting flange 13 and a control box 14;
the air compressor 2 is used for providing a compressed air source for the pneumatic regulating valve 6;
a first filtering and pressure reducing valve 3 for filtering the compressed air output by the air compressor 2 and keeping the pressure of the compressed air output by the air compressor 2 stable; the first filtering and pressure reducing valve 3 is arranged on the bracket 12 and is connected with the air compressor 2;
the valuator 4 is used for adjusting the air source pressure output by the first filtering and reducing valve 3; the valuator 4 is arranged on the bracket 12 and is connected with the first filtering and reducing valve 3;
the digital pressure gauge 5 is used for measuring the pressure of the air source output by the constant value device 4; the digital pressure gauge 5 is arranged on the bracket 12 and is connected with the valuator 4;
a pneumatic regulating valve 6 for serving as an object to be corrected; the pneumatic regulating valve 6 is arranged on the mounting flange 13;
the valve positioner 7 is used as a corrected object and is matched with the pneumatic regulating valve 6 for use so as to complete the functions of electrical conversion and valve positioning; the valve positioner 7 is arranged on the pneumatic regulating valve 6 and connected with the pneumatic regulating valve;
the second filtering and pressure reducing valve 8 is used for filtering the gas entering the pneumatic regulating valve 6 and the valve positioner 7 and keeping the gas pressure stable; the second filtering and pressure reducing valve 8 is arranged on the valve positioner 7 and is connected with the valve positioner;
the dial indicator 9 is used for reading the action displacement of the connecting rod in the pneumatic regulating valve 6 so as to provide a basis for judging the position of the valve core in the pneumatic regulating valve 6; the dial indicator 9 is arranged on the pneumatic regulating valve 6 and is connected with the pneumatic regulating valve;
a controller 10 for providing control signals to the pneumatic regulator valve 6 and the valve positioner 7 when verified; the controller 10 is arranged on the control box 14 and is respectively connected with an external power supply and the valve positioner 7;
the air switch 11 is used for controlling the on-off of the controller 10 and an external power supply; the air switch 11 is disposed on the control box 13 and connected to the controller 10.
When the pneumatic regulating valve checking device is used, the devices are installed and connected according to the sequence, then the air compressor 2 is started, an air source required for checking is provided, an external alternating current 220V power supply supplies power to the controller 10 through the air switch 11, the controller 10 is used for controlling signals for the valve positioner 7, then the valve positioner 7 is adjusted to perform parameter setting, the zero point, the range, the linearity and the positive and negative effects of the pneumatic regulating valve 6 are adjusted, corresponding detection data are read through the digital pressure gauge 5 and the dial gauge 9, a plurality of acquired data are filled in a check sheet, and the checking task of the pneumatic regulating valve is completed.
In the embodiment of the application, the model of the air compressor 2 is GWJ550W-30, the models of the first filtering and pressure reducing valve 3 and the second filtering and pressure reducing valve 8 are AW3000-03, the model of the valuator 4 is QGD-200, the model of the digital pressure gauge 5 is HC-YBS-C, the pneumatic regulating valve 6 is an HTS type pneumatic regulating valve, the model of the valve positioner 7 is YT-1000, the model of the dial gauge 9 is ACE-G3301, the model of the controller 10 is YueI, and the model of the air switch 11 is DZ 47-6.
In this application embodiment, the quantity of mounting flange 13 has 2 to relative setting is on installation check table 1, and mounting flange 13 passes through the screw rod detachably to be fixed on installation check table 1, and has a plurality of fixed orificess on the installation check table 1, and mounting flange 13 can be fixed in corresponding fixed orifices according to pneumatic control valve 6's size selection.
In this application embodiment, the bottom of the support 12 is provided with a bottom plate, and the bottom plate is reinforced with angle steel all around, so that the support 12 is more firm, tools and devices are conveniently placed, and the space is effectively utilized.
The application provides a pair of pneumatic control valve calibration equipment, the commonality is strong, and the installation is fixed swift, convenient operation, safe and reliable, and the calibration is simple and convenient, has improved the efficiency of work and the accuracy of check-up, and mounting flange adopts the screw rod to set up adjustably on the installation check-up bench, adapts to the governing valve of different grade type, effectively improves accommodation.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A pneumatic control valve calibration device, comprising:
the installation and calibration table is used for installing each instrument device; the mounting and checking platform is provided with a bracket, a mounting flange and a control box;
the air compressor is used for providing a compressed air source for the pneumatic regulating valve;
the first filtering and reducing valve is used for filtering the compressed air output by the air compressor and keeping the pressure of the compressed air output by the air compressor stable; the first filtering and reducing valve is arranged on the bracket and is connected with the air compressor;
the constant value device is used for adjusting the air source pressure output by the first filtering pressure reducing valve; the valuator is arranged on the bracket and is connected with the first filtering and reducing valve;
the digital pressure gauge is used for measuring the pressure of the air source output by the valuator; the digital pressure gauge is arranged on the bracket and is connected with the valuator;
a pneumatic regulating valve for the object to be corrected; the pneumatic regulating valve is arranged on the mounting flange;
the valve positioner is used as a corrected object and is matched with the pneumatic regulating valve for use so as to complete the functions of electrical conversion and valve positioning; the valve positioner is arranged on the pneumatic regulating valve and connected with the pneumatic regulating valve;
the second filtering and reducing valve is used for filtering gas entering the pneumatic regulating valve and the valve positioner and keeping the gas pressure stable; the second filtering pressure reducing valve is arranged on the valve positioner and is connected with the valve positioner;
the dial indicator is used for reading the action displacement of the connecting rod in the pneumatic regulating valve so as to provide a basis for judging the position of the valve core in the pneumatic regulating valve; the dial indicator is arranged on the pneumatic regulating valve and is connected with the pneumatic regulating valve;
the controller is used for providing control signals for the pneumatic regulating valve and the valve positioner when the pneumatic regulating valve and the valve positioner are verified; the controller is arranged on the control box and is respectively connected with an external power supply and the valve positioner;
the air switch is used for controlling the on-off of the controller and an external power supply; the air switch is arranged on the control box and connected with the controller.
2. The pneumatic regulator valve verifier device of claim 1, wherein the air compressor is model number GWJ 550W-30.
3. The pneumatic regulator valve checking device of claim 1, wherein the first and second filter and pressure relief valves are of type AW 3000-03.
4. The pneumatic regulator valve prover of claim 1 wherein the valuator is of the type QGD-200.
5. The pneumatic regulator valve calibration device of claim 1, wherein the digital pressure gauge is of the type HC-YBS-C.
6. The pneumatic regulator valve calibration device of claim 1, wherein the pneumatic regulator valve is an HTS-type pneumatic regulator valve.
7. The pneumatic regulator valve verifier device of claim 1, wherein the valve positioner is of the type YT-1000.
8. The pneumatic regulator valve checking device of claim 1, wherein the dial indicator is model ACE-G3301.
9. The pneumatic regulator valve calibration device of claim 1, wherein the controller is a type of space electric AI.
10. The pneumatic regulator valve checking device of claim 1, wherein the air switch is model number DZ 47-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020745813.4U CN211717774U (en) | 2020-05-09 | 2020-05-09 | Pneumatic regulating valve calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020745813.4U CN211717774U (en) | 2020-05-09 | 2020-05-09 | Pneumatic regulating valve calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211717774U true CN211717774U (en) | 2020-10-20 |
Family
ID=72836291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020745813.4U Active CN211717774U (en) | 2020-05-09 | 2020-05-09 | Pneumatic regulating valve calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211717774U (en) |
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2020
- 2020-05-09 CN CN202020745813.4U patent/CN211717774U/en active Active
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