CN206038416U - Steel pipe hydrostatic testing machine end face seal intelligence control system device - Google Patents
Steel pipe hydrostatic testing machine end face seal intelligence control system device Download PDFInfo
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- CN206038416U CN206038416U CN201621070348.9U CN201621070348U CN206038416U CN 206038416 U CN206038416 U CN 206038416U CN 201621070348 U CN201621070348 U CN 201621070348U CN 206038416 U CN206038416 U CN 206038416U
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- steel pipe
- control system
- interface
- face seal
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Abstract
The utility model relates to a steel pipe hydrostatic testing machine end face seal intelligence control system device, PLC pass through communication ports and connect demonstration and control panel, and PLC's delivery outlet Y1 connects the switch KM1 of oil pump, PLC passes through the CH1 path connection oil pressure sensor that analog input extended the interface, and PLC passes through the CH2 path connection pressure sensor that analog input extended the interface, PLC passes through analog output and extends interface connection proportional amplifier, connects proportional amplifier and connects electro -hydraulic proportional valve, and the motion of electro -hydraulic proportional valve control hydro -cylinder realizes the purpose that tubular product is sealed. The utility model discloses simple structure, the design is compact, and water pressure in can the automatic acquisition steel pipe adopts the intelligent control algorithm, through electro -hydraulic proportional valve, adjusts the oil pressure in the hydro -cylinder, and the leakproofness is guaranteed to the effectual balance that keeps water pressure and oil pressure, and the degree of automation who improves the experimental accuracy control system of steel pipe is high, and the human factor influence is low, and the while can the autmoatic storage tentation data, objective reaction test process.
Description
Technical field
The utility model is related to a kind of steel pipe hydrostatic tester end face seal intelligent control system device, belongs to the water pressure test
Machine engineering device technique field.
Background technology
When steel pipe hydrostatic testing is carried out, the check frequency of pipe end can be avoided using end face seal, improve detection complete
Face property.During end face seal, seal head is mainly subject to the high pressure aquatic products in thrust and test steel pipe that the oil hydraulic cylinder of itself is produced
Raw jacking force.In process of the test, oil pressure should be slightly larger than hydraulic pressure, and the real-time change with variation in water pressure.If oil pressure is excessive,
Can then cause steel pipe to receive larger axial force, produce bending, deformation, or even damage；It is if oil pressure is less than hydraulic pressure, high in steel pipe
Pressure water will spray, and cause test failure.As hydraulic control system is nonlinear control system, the country is close to end face at present
In terms of the oil pressure cntrol of envelope, precision is not high, and automaticity is low, and artificial factor affects many, and the dynamic property of control system is low,
Cause to greatly increase the axial compressive force suffered by test steel pipe body, affect test accuracy, or even damage tubing.
The content of the invention
The purpose of this utility model is to solve the above problems, there is provided a kind of simple structure, steel pipe compact to design
Hydrostatic testing machine end face seal intelligent control system device.
The utility model is adopted the following technical scheme that：A kind of steel pipe hydrostatic tester end face seal intelligence control system dress
Put, expand interface, analog output expansion interface, hydraulic pressure sensing with control panel, PLC, oil pump, analog input including showing
Device, oil pressure sensor, proportional amplifier, electro-hydraulic proportional valve and oil cylinder；
PLC shows and control panel that by COM1 connection the delivery outlet Y1 of PLC connects the one of contactor KM1 coils
End, the common port COM1 of another termination PLC of contactor KM1 coils；
One normally opened contact of contactor KM1 is used as the switch of oil pump；
Analog input expands interface includes CH1 passages and CH2 passages, and PLC expands the CH1 of interface by analog input
Passage connects oil pressure sensor, and PLC connects hydraulic pressure sensor by the CH2 passages that analog input expands interface；PLC passes through mould
Interface connection proportional amplifier, proportional amplifier connection electro-hydraulic proportional valve, Electro-hydraulic Proportional Control liquefaction cylinder fortune are expanded in analog quantity output
It is dynamic, realize the purpose of tubing sealing.
Further, the PLC adopts mitsubishi FX2N -48MR.
Further, the analog input is expanded interface and adopts mitsubishi FX2N -4AD.
Further, the hydraulic pressure sensor adopts PTG504.
Further, the oil pressure sensor adopts general amount PT500-500.
Further, when the display can show hydraulic pressure value, oil pressure value, dwell time, setting experiment with control panel
Between and the current experiment time.
The utility model simple structure, compact to design, automatic data collection steel inner pipe water pressure, using intelligent control algorithm, passes through
The in-oil cylinder oil pressure of electric-hydraulic proportion valve regulation, can effectively keep the balance of hydraulic pressure and oil pressure, it is ensured that sealing, improve steel pipe
The high degree of automation of the accuracy control system of test, human factor affect low, while test data can be stored automatically, visitor
See reaction test process.
Description of the drawings
Fig. 1 is electric theory diagram of the present utility model.
Fig. 2 is touch-screen schematic diagram of the present utility model.
Specific embodiment
Below in conjunction with accompanying drawing, the utility model will be further described.
As Figure 1-Figure 2, a kind of steel pipe hydrostatic tester end face seal intelligent control system device, including show and control
Panel processed, PLC, oil pump, analog input expansion interface, analog output expansion interface, hydraulic pressure sensor, oil pressure sensor,
Proportional amplifier, electro-hydraulic proportional valve and oil cylinder；
The touch-screen using Mitsubishi GOT1000 series with control panel is shown, PLC adopts mitsubishi FX2N -48MR；Analog quantity
Input is expanded interface and adopts mitsubishi FX2N -4AD；Analog output is expanded interface and adopts mitsubishi FX2N -4DA；Hydraulic pressure sensor is adopted
Use PTG504；Oil pressure sensor adopts general amount PT500-500；
PLC shows and control panel that by COM1 connection the delivery outlet Y1 of PLC connects the coil one of contactor KM1
End, the common port COM1 of another termination PLC of contactor KM1 coils；
One normally opened contact of contactor KM1 is used as the switch of oil pump；
Analog input expands interface includes CH1 passages and CH2 passages, and PLC expands the CH1 of interface by analog input
Passage connects oil pressure sensor, and PLC connects hydraulic pressure sensor by the CH2 passages that analog input expands interface；PLC passes through mould
Interface connection proportional amplifier, proportional amplifier connection electro-hydraulic proportional valve, Electro-hydraulic Proportional Control liquefaction cylinder fortune are expanded in analog quantity output
It is dynamic, the purpose of tubing sealing is realized, when display can show hydraulic pressure value, oil pressure value, dwell time, setting experiment with control panel
Between and the current experiment time.
Operation principle：
During work, start PLC first, control seal head is accurate to up to pipe end, hydraulic pressure sensor real-time detection steel pipe
Interior hydraulic pressure, is input in PLC by Analog input mModule, and PLC calculates rated oil pressure value according to hydraulic pressure oil pressure relation formula,
It is compared with oil pressure value in the oil hydraulic cylinder of Real-time Collection, obtains oil pressure deviation, deviation variation rate, obtained using intelligent control algorithm
To output valve, analog quantity is converted to by analog output module, electro-hydraulic proportional valve is input to after proportional amplifier amplifies,
Electro-hydraulic proportional valve is controlled to oil cylinder, reaches the purpose of steel pipe sealing, meanwhile, an output port of PLC and opening for oil pump
Close KM1 to be connected, the start and stop of direct control oil pump, when the oil pressure value that PLC is collected exceedes rated oil pressure value, PLC is by alarm signal
Breath is transmitted into touch-screen, the alarm lamp display alarm on touch-screen.
Claims (6)
1. a kind of steel pipe hydrostatic tester end face seal intelligent control system device, it is characterised in that：Including display and chain of command
Plate, PLC, oil pump, analog input are expanded interface, analog output and expand interface, hydraulic pressure sensor, oil pressure sensor, ratio
Amplifier, electro-hydraulic proportional valve and oil cylinder；
PLC shows and control panel that by COM1 connection the delivery outlet Y1 of PLC connects one end of contactor KM1 coils, connects
The common port COM1 of another termination PLC of tentaculum KM1 coils；
One normally opened contact of contactor KM1 is used as the switch of oil pump；
Analog input expands interface includes CH1 passages and CH2 passages, and PLC expands the CH1 passages of interface by analog input
Connection oil pressure sensor, PLC connect hydraulic pressure sensor by the CH2 passages that analog input expands interface；PLC passes through analog quantity
Interface connection proportional amplifier is expanded in output, and proportional amplifier connection electro-hydraulic proportional valve, Electro-hydraulic Proportional Control cylinder movement are real
The purpose of existing tubing sealing.
2. steel pipe hydrostatic tester end face seal intelligent control system device as claimed in claim 1, it is characterised in that：It is described
PLC adopts mitsubishi FX2N -48MR.
3. steel pipe hydrostatic tester end face seal intelligent control system device as claimed in claim 1, it is characterised in that：It is described
Analog input is expanded interface and adopts mitsubishi FX2N -4AD.
4. steel pipe hydrostatic tester end face seal intelligent control system device as claimed in claim 1, it is characterised in that：It is described
Hydraulic pressure sensor adopts PTG504.
5. steel pipe hydrostatic tester end face seal intelligent control system device as claimed in claim 1, it is characterised in that：It is described
Oil pressure sensor adopts general amount PT500-500.
6. steel pipe hydrostatic tester end face seal intelligent control system device as claimed in claim 1, it is characterised in that：It is described
Display can show hydraulic pressure value, oil pressure value, dwell time, setting experimental period and current experiment time with control panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621070348.9U CN206038416U (en) | 2016-09-21 | 2016-09-21 | Steel pipe hydrostatic testing machine end face seal intelligence control system device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621070348.9U CN206038416U (en) | 2016-09-21 | 2016-09-21 | Steel pipe hydrostatic testing machine end face seal intelligence control system device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206038416U true CN206038416U (en) | 2017-03-22 |
Family
ID=58296019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621070348.9U Expired - Fee Related CN206038416U (en) | 2016-09-21 | 2016-09-21 | Steel pipe hydrostatic testing machine end face seal intelligence control system device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206038416U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110333691A (en) * | 2019-06-21 | 2019-10-15 | 中石化石油机械股份有限公司沙市钢管分公司 | A kind of monitoring of hydraulic press testing and information store analysis system |
-
2016
- 2016-09-21 CN CN201621070348.9U patent/CN206038416U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110333691A (en) * | 2019-06-21 | 2019-10-15 | 中石化石油机械股份有限公司沙市钢管分公司 | A kind of monitoring of hydraulic press testing and information store analysis system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170322 Termination date: 20180921 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |