CN218719138U - Pneumatic adjusting type actuating mechanism connecting rod position adjusting device - Google Patents
Pneumatic adjusting type actuating mechanism connecting rod position adjusting device Download PDFInfo
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- CN218719138U CN218719138U CN202223031581.4U CN202223031581U CN218719138U CN 218719138 U CN218719138 U CN 218719138U CN 202223031581 U CN202223031581 U CN 202223031581U CN 218719138 U CN218719138 U CN 218719138U
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- valve
- pneumatic
- connecting rod
- actuating mechanism
- air inlet
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Abstract
The pneumatic adjusting type actuating mechanism connecting rod position adjusting device is time-consuming and labor-consuming in a common field method for manually adjusting the actuating mechanism connecting rod, and meanwhile, a hand wheel is cancelled in part of actuating mechanisms, so that manual adjustment cannot be carried out. The utility model discloses a pneumatic adjustment mechanism (6) and valve (11), the last connecting rod (7) that has of pneumatic adjustment mechanism, the connecting rod lower part has connecting device (8), valve rod (12) have on the valve, install valve packing (10) on the valve rod, pneumatic adjustment device is connected with intake pipe (4) through quick-connect joint (5), install pneumatic proportional control valve (3) on the intake pipe, pneumatic proportional control valve air inlet passes through the tube coupling with relief pressure valve (2), the relief pressure valve passes through the tube coupling with compressed air inlet valve (1); and a valve position adjusting feedback device (9) is fixed on the valve packing. The utility model is used for pneumatic adjustment type actuating mechanism connecting rod positioning.
Description
Technical Field
The utility model relates to a pneumatic regulation type actuating mechanism connecting rod positioner.
Background
The valve is required to be assembled after being overhauled in a thermodynamic system, or the actuating mechanism and the valve are assembled in a production plant, when the pneumatic adjusting actuating mechanism is assembled with a valve rod of the valve, the position of a connecting rod of the actuating mechanism needs to be accurately adjusted, the manual adjustment of the connecting rod of the actuating mechanism is realized by a common method on site, time and labor are wasted, and meanwhile, a hand wheel is cancelled in part of actuating mechanisms, so that the manual adjustment cannot be realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem existing in the prior art and providing a pneumatic adjusting type actuating mechanism connecting rod positioning device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a pneumatic regulation type actuating mechanism connecting rod positioner, its constitution includes: the pneumatic proportional control valve comprises a pneumatic adjusting mechanism and a valve, wherein the pneumatic adjusting mechanism is provided with a connecting rod, the lower part of the connecting rod is provided with a connecting device, the valve is provided with a valve rod, the valve rod is provided with a valve packing, the pneumatic adjusting device is connected with an air inlet pipe through a quick connector, the air inlet pipe is provided with a pneumatic proportional control valve, an air inlet of the pneumatic proportional control valve is connected with a pressure reducing valve through a pipeline, and the pressure reducing valve is connected with a compressed air inlet valve through a pipeline;
and a valve packing is fixedly provided with a valve position adjusting feedback device.
The pneumatic adjusting type actuating mechanism connecting rod position adjusting device is characterized in that the valve position adjusting feedback device is a connecting device with a magnetic laser range finder, and the transmitting end of the magnetic laser range finder is aligned to the lower portion of the connecting rod.
The pneumatic adjusting type actuating mechanism is connected with the positioning device, and the signal input end of the pneumatic proportional control valve is connected with the signal generator.
Advantageous effects
1. The utility model discloses an adjust the pressure size that gets into pneumatic actuator compressed air, and then the aperture that the valve was transferred to steerable pneumatic actuator, make the connecting rod reciprocate, and measure its transmitting terminal and connecting device lower extreme distance in order to confirm pneumatic adjustment mechanism connecting rod action stroke through taking magnetism laser range finder, thereby can realize adjusting signal generator input signal current value I in order to reach the purpose of accurate adjustment pneumatic adjustment mechanism connecting rod position, make its connecting rod that conveniently carries out pneumatic adjustment mechanism and valve rod's assembly.
Drawings
FIG. 1 is a schematic view of the present invention;
in the figure: 1. a compressed air intake valve; 2. a pressure reducing valve; 3. a pneumatic proportional control valve; 4. an air inlet pipe; 5. a quick-connect joint; 6. a pneumatic adjustment mechanism; 7. a connecting rod; 8. a connecting device; 9. a valve position adjustment feedback device; 10. a valve packing; 11. a valve; 12. and a valve rod of the valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1, a pneumatic adjustment type actuating mechanism connecting rod positioning device, it constitutes to include: pneumatic adjusting mechanism 6 and valve 11, pneumatic adjusting mechanism on have connecting rod 7, the connecting rod lower part connecting device 8 has, the valve on have valve rod 12, valve rod on install valve packing 10, pneumatic adjusting device pass through quick-connect joint 5 and intake pipe 4 and be connected, the intake pipe on install pneumatic proportional control valve 3, pneumatic proportional control valve air inlet and relief pressure valve 2 pass through the tube coupling, this pipeline is nonrust steel pipe, through the cooperation of external 4-20mA signal generator and valve position adjustment feedback device, reach accurate control actuating mechanism connecting rod stroke size, be convenient for the mechanism and carry out actuating mechanism and accent installation work, relief pressure valve and compressed air inlet valve 1 pass through the tube coupling, this pipeline is nonrust steel pipe, compressed air inlet valve passes through the hose and is connected with the on-the-spot air source coupling of production to provide this specialized tool work air supply.
And a valve position adjusting feedback device 9 is fixed on the valve packing.
The valve position adjusting feedback device is a magnetic laser range finder, and the transmitting end of the magnetic laser range finder is aligned with the connecting device at the lower part of the connecting rod.
The signal input end of the pneumatic proportional control valve is connected with a signal generator, and the signal generator is a 4-20mA signal generator matched with the pneumatic proportional control valve and is a common device in the prior art.
The working principle is as follows:
(1) Closing the compressed air inlet valve;
(2) Adjusting a knob of the pressure reducing valve, wherein the pressure of compressed air entering the pneumatic proportional control valve is 0;
(3) A 24VDC battery is used for supplying power to the pneumatic proportional control valve, a signal generator is connected to a 4-20mA signal input end of the pneumatic proportional control valve, and an input signal is adjusted to 4mA;
(4) Adsorbing the valve position adjustment feedback device on the upper part of a gate adjusting packing, reading the number of the valve position adjustment feedback device, and setting the number as X1;
(5) Opening a compressed air inlet valve, adjusting a knob of a pressure reducing valve, and adjusting the compressed air entering a pneumatic adjusting actuating mechanism to a proper pressure range;
(6) Adjusting an input signal to 20mA by using a signal generator, moving the actuating mechanism connecting rod upwards at the moment, reading the number of the valve position adjusting feedback device after the actuating mechanism connecting rod is stable and static, and setting the number as X2;
(7) Through X1 and X2, the relative stroke L of the connecting rod of the actuating mechanism, the input signal current value I of the signal generator and the current input signal current value I0 of the signal generator can be calculated by the calculation formula:
I=[16*L/(X2-X1)]+I0
the current value I of the input signal of the signal generator can be adjusted through a calculation formula so as to achieve the purpose of accurately adjusting the position of the connecting rod of the actuating mechanism.
Claims (3)
1. The utility model provides a pneumatic regulation type actuating mechanism connecting rod adjusting device which constitutes and includes: pneumatic adjustment mechanism and valve, pneumatic adjustment mechanism on have a connecting rod, the connecting rod lower part connecting device has, the valve on have a valve stem, the valve stem on install valve packing, characterized by: the pneumatic adjusting mechanism is connected with an air inlet pipe through a quick connector, a pneumatic proportional control valve is mounted on the air inlet pipe, an air inlet of the pneumatic proportional control valve is connected with a pressure reducing valve through a pipeline, and the pressure reducing valve is connected with a compressed air inlet valve through a pipeline;
and a valve packing is fixedly provided with a valve position adjusting feedback device.
2. The pneumatically adjustable actuator connecting rod indexing device of claim 1, wherein: the valve position adjusting feedback device is a magnetic laser range finder, and the transmitting end of the magnetic laser range finder is aligned with the connecting device at the lower part of the connecting rod.
3. The pneumatically adjustable actuator connecting rod indexing device of claim 2, wherein: and the signal input end of the pneumatic proportional control valve is connected with a signal generator.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202223031581.4U CN218719138U (en) | 2022-11-15 | 2022-11-15 | Pneumatic adjusting type actuating mechanism connecting rod position adjusting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202223031581.4U CN218719138U (en) | 2022-11-15 | 2022-11-15 | Pneumatic adjusting type actuating mechanism connecting rod position adjusting device |
Publications (1)
Publication Number | Publication Date |
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CN218719138U true CN218719138U (en) | 2023-03-24 |
Family
ID=85619571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202223031581.4U Active CN218719138U (en) | 2022-11-15 | 2022-11-15 | Pneumatic adjusting type actuating mechanism connecting rod position adjusting device |
Country Status (1)
Country | Link |
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CN (1) | CN218719138U (en) |
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2022
- 2022-11-15 CN CN202223031581.4U patent/CN218719138U/en active Active
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