CN104007022A - High-pressure hydraulic testing system - Google Patents
High-pressure hydraulic testing system Download PDFInfo
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- CN104007022A CN104007022A CN201410257729.7A CN201410257729A CN104007022A CN 104007022 A CN104007022 A CN 104007022A CN 201410257729 A CN201410257729 A CN 201410257729A CN 104007022 A CN104007022 A CN 104007022A
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Abstract
The invention relates to a high-pressure hydraulic testing system. According to the structure of the high-pressure hydraulic testing system, an air compressor, a freezing dryer and an air buffer tank are connected with driving air inlets of pneumatic hydraulic booster pumps through air low-pressure pipes; media flow through a filter and enter medium inlets of the pneumatic hydraulic booster pumps through medium pipes; high-pressure outlets of the pneumatic hydraulic booster pumps are connected with electro-pneumatic valves and a workpiece to be tested through high-pressure pipes; an industrial personal computer is connected with an electro-pneumatic valve III, a safety valve I, the electro-pneumatic valve I and a laser printer; a video monitor is connected with an electro-pneumatic valve IV, a safety valve II, the electro-pneumatic valve II and an eight-path dynamic strain indicator. The high-pressure hydraulic testing system has the advantages of being high in safety, easy to operate and the like. The pressure of the high-pressure hydraulic testing system can be accurately regulated during testing.
Description
Technical field
The present invention relates to a kind of pilot system, relate in particular to a kind of high pressure liquid test system, be applicable to gas cylinder class hydraulic pressure strength and explosion bulge test, belong to test field.
Background technology
Along with grinding the development of manufacturing technology, and the requirement of user to product parameters raising, high pressure liquid examination has become development trend, and it has the features such as checking product reliability.But high-potting system is at the early-stage at home.Current existing pilot system is used in middle pressure and low-pressure field more, cannot under high pressure use.
Summary of the invention
The present invention is directed to above-mentioned problems of the prior art, a kind of high pressure liquid test system is provided, solved the problem that in prior art, under high pressure liquid is had a try and tested.
Technical scheme of the present invention is as follows:
Air compressor, freeze drier, air cushioning tank are connected with the driving gas import of Pneumatic hydraulic booster pump I and Pneumatic hydraulic booster pump II by gas low pressure line; Medium is connected with the medium import of Pneumatic hydraulic booster pump I and Pneumatic hydraulic booster pump II by medium pipeline via filtrator; The high-pressure outlet of Pneumatic hydraulic booster pump I and Pneumatic hydraulic booster pump II is connected with electropneumatic valve I, electropneumatic valve II and tested workpiece by pressure duct, electropneumatic valve I is connected with pressure unit I, safety valve I, and electropneumatic valve II is connected with pressure unit II, safety valve II; Industrial computer 1 is connected with electropneumatic valve III, safety valve I, electropneumatic valve I1 and laser printer; Video monitor is connected with electropneumatic valve IV, safety valve II, electropneumatic valve II and No. 8 dynamic strain indicators.
Described gas low pressure line is provided with stop valve and tensimeter; Described medium pipeline is provided with electropneumatic valve.
The performance parameter of described air compressor is, power 11KW, discharge pressure 13barg, discharge capacity 1.2M3/min.
The filtering accuracy 0.01 μ m of described filtrator.
The equipment top pressure 300MPa of described Pneumatic booster pump I and Pneumatic booster pump II; Rate of pressure rise≤1.47MPa.
Described pressure unit I is low pressure transmitter, and rated pressure 160MPa exports 4-20mA when pressure reaches rated pressure, precision 0.25%.
Described pressure unit II is high-pressure transmitter, and rated pressure 300MPa exports 4-20mA when pressure reaches rated pressure, precision 0.5%.
Described video monitor is provided with 20 Zoom Lens camera and The Cloud Terraces.
Advantageous effect of the present invention is as follows:
There is the features such as safe, simple to operate.This pilot system adopts Pneumatic hydraulic pressure generating equipment, and the pressure in the time of accurately regulating its test can be started shipment under load, the multistage pressurize of boosting; Enough security protections are considered, the safety of assurance personnel operation; Control that can (0-300MPa) carries out within the specific limits to the rate of rise in pressure testing process, warranty test pressure its burst pressure that steadily rises; The automatic control equipment such as industrial computer and video monitor possesses good man-machine interface, can input the information of corresponding test parameters and pressure testing product, the corresponding information of computing machine autostore, in the report of output, and records in pressure testing process the relevant informations such as pressure-time.
Accompanying drawing explanation
Fig. 1 is structural principle schematic diagram of the present invention.
In figure, 1, air compressor; 2, freeze drier; 3, stop valve I; 4, filtrator; 5, stop valve I I, 6, electropneumatic valve III, 7, electropneumatic valve IV; 8, Pneumatic hydraulic booster pump I, 9, Pneumatic hydraulic booster pump II; 10, safety valve I, 11, safety valve II; 12, pressure unit I, 13, pressure unit II; 14, industrial computer, 15, video monitor; 16, tensimeter; 17, air cushioning tank; 18, electropneumatic valve I, 19, electropneumatic valve II; 20, laser printer; 21, No. 8 dynamic strain indicators.
Embodiment
With reference to accompanying drawing, in conjunction with specific embodiments, describe concrete structure of the present invention in detail as follows.
Embodiment
As shown in Figure 1, air compressor 1, freeze drier 2, air cushioning tank 17 are connected with the driving gas import of Pneumatic hydraulic booster pump I8 and Pneumatic hydraulic booster pump II9 by gas low pressure line; Between air cushioning tank 17 and Pneumatic hydraulic booster pump I8 and Pneumatic hydraulic booster pump II9, be respectively equipped with stop valve I3 and stop valve II5; Gas low pressure line is provided with tensimeter 16; WATER AS FLOW MEDIUM is connected with the medium import of Pneumatic hydraulic booster pump I and Pneumatic hydraulic booster pump II by medium pipeline via filtrator 4, electropneumatic valve III6, electropneumatic valve IV7; The high-pressure outlet of Pneumatic hydraulic booster pump I and Pneumatic hydraulic booster pump II is connected with electropneumatic valve I18, electropneumatic valve II19 and tested workpiece by pressure duct, electropneumatic valve I is connected with pressure unit I 12, safety valve I 10, and electropneumatic valve II is connected with pressure unit II 13, safety valve II 11; Industrial computer 14 is connected with electropneumatic valve III 6, safety valve I10, electropneumatic valve I18 and laser printer 20; Video monitor 15 is connected with electropneumatic valve IV7, safety valve II, electropneumatic valve II and No. 8 dynamic strain indicators 21.Above-mentioned each pipe joint all adopts cutting ferrule form to connect.
The performance parameter of described air compressor is, power 11KW, discharge pressure 13barg, discharge capacity 1.2M3/min.
The filtering accuracy 0.01 μ m of described filtrator.
Described Pneumatic booster pump I and the model of Pneumatic booster pump II are HY-MLP-50K-W, equipment top pressure 300MPa; Rate of pressure rise≤1.47MPa.± 1%) and pressure acquisition device (160MPa & 413MPa) be provided with two pointer tensimeters (160MPa & 413MPa precision:.
Described pressure unit I is low pressure transmitter, and rated pressure 160MPa exports 4-20mA when pressure reaches rated pressure, precision 0.25%.
Described pressure unit II is high-pressure transmitter, and rated pressure 300MPa exports 4-20mA when pressure reaches rated pressure, precision 0.5%.
Described industrial computer is IPC-610MB type cabinet, AIMB-742 mainboard, high-end main flow CPU, 160G hard disk, 1G internal memory, keyboard, mouse, CD-ROM drive, 19 " liquid crystal display, preposition USB interface.
Described laser printer is monochrome laser printer, buffer memory 8MB, interface USB2.0, maximum printing breadth A4.
Described No. 8 dynamic strain indicators arrange and output current or voltage signal foil gauge signal, carry out data and curves matching.(200 foil gauges of spare part)
Described video monitor is provided with main frame, keyboard, and mouse, can recording optical driver.19 " liquid crystal display, 20 Zoom Lens camera and The Cloud Terraces, outdoor band ball cover.
Composition of the present invention and commissioning requirements:
1. system configures Pneumatic hydraulic booster pump, and top pressure can reach 300MPa.Total delivery rate can meet required technical requirement, can take into account extensive pressure grade pressure demand simultaneously.Rate of pressure rise is controlled in 1.47MPa.
2. all connection high-pressure pipe members of system joint all adopts cutting ferrule form to connect, without welding, easy to connect, safe and reliable.
3. system automatic water inflow device, without manual operation.
4. pressure transducer obtains pressure signal in experimentation, is divided into two grades of high-low pressures, and low pressure adopts lower range sensor, and high pressure adopts high-range sensor, measures more accurate.
5. Full-automatic remote is controlled, in pressure testing process without human intervention.
6. system self embedded security device, just in case export superpressure, opens release automatically.
The present invention be take steel cylinder as example by test specimen, describes its principle of work and process as follows.
Air compressor machine provides driving air, via cooling driers, air cushioning tank, high efficiency particulate air filter, produces the compressed gas source of eligible requirement.Pneumatic hydraulic booster pump starts action, and water-filled test steel cylinder is suppressed, and in pressurization, tested steel cylinder is through elastic deformation, yield deformation, the final explosion of plastic yield.Whole process of the test, industrial computer and video monitor start, and draw pressure test curve, can extract test figure, and meanwhile, by camera, operating personnel can observe test block.
Claims (9)
1. high pressure liquid test system, is characterized in that air compressor, freeze drier, air cushioning tank are connected with the driving gas import of Pneumatic hydraulic booster pump I and Pneumatic hydraulic booster pump II by gas low pressure line; Medium is connected with the medium import of Pneumatic hydraulic booster pump I and Pneumatic hydraulic booster pump II by medium pipeline via filtrator; The high-pressure outlet of Pneumatic hydraulic booster pump I and Pneumatic hydraulic booster pump II is connected with electropneumatic valve I, electropneumatic valve II and tested workpiece by pressure duct, electropneumatic valve I is connected with pressure unit I, safety valve I, and electropneumatic valve II is connected with pressure unit II, safety valve II; Industrial computer is connected with electropneumatic valve III, safety valve I, electropneumatic valve I and laser printer; Video monitor is connected with electropneumatic valve IV, safety valve II, electropneumatic valve II and No. 8 dynamic strain indicators.
2. high pressure liquid test system according to claim 1, is characterized in that described gas low pressure line is provided with stop valve and tensimeter; Described medium pipeline is provided with electropneumatic valve.
3. high pressure liquid test system according to claim 1, is characterized in that the performance parameter of described air compressor is, power 11KW, discharge pressure 13barg, discharge capacity 1.2M3/min.
4. high pressure liquid test system according to claim 1, is characterized in that the filtering accuracy 0.01 μ m of described filtrator.
5. high pressure liquid test system according to claim 1, is characterized in that described Pneumatic booster pump I and the equipment top pressure 300MPa of Pneumatic booster pump II; Rate of pressure rise≤1.47MPa.
6. high pressure liquid test system according to claim 1, is characterized in that described pressure unit I is low pressure transmitter, and rated pressure 160MPa, exports 4-20mA when pressure reaches rated pressure, precision 0.25%.
7. high pressure liquid test system according to claim 1, is characterized in that described pressure unit II is high-pressure transmitter, and rated pressure 300MPa, exports 4-20mA when pressure reaches rated pressure, precision 0.5%.
8. high pressure liquid test system according to claim 1, is characterized in that described video monitor is provided with 20 Zoom Lens camera and The Cloud Terraces.
9. high pressure liquid test system according to claim 1, is characterized in that pipe joint all adopts cutting ferrule form to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410257729.7A CN104007022A (en) | 2014-06-11 | 2014-06-11 | High-pressure hydraulic testing system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410257729.7A CN104007022A (en) | 2014-06-11 | 2014-06-11 | High-pressure hydraulic testing system |
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| CN104007022A true CN104007022A (en) | 2014-08-27 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198293A (en) * | 2014-09-18 | 2014-12-10 | 江苏中宏机械制造有限公司 | Gas cylinder hydraulic bursting test device with functions of speed regulation and continuous water replenishing |
| CN105179380A (en) * | 2015-10-20 | 2015-12-23 | 航天科工哈尔滨风华有限公司电站设备分公司 | Automatic hydraulic pump pressure-adjusting system test platform |
| CN105372117A (en) * | 2015-11-04 | 2016-03-02 | 三峡大学 | Water-rock acting device for simulating high-water-pressure loading and air drying control and method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198293A (en) * | 2014-09-18 | 2014-12-10 | 江苏中宏机械制造有限公司 | Gas cylinder hydraulic bursting test device with functions of speed regulation and continuous water replenishing |
| CN105179380A (en) * | 2015-10-20 | 2015-12-23 | 航天科工哈尔滨风华有限公司电站设备分公司 | Automatic hydraulic pump pressure-adjusting system test platform |
| CN105372117A (en) * | 2015-11-04 | 2016-03-02 | 三峡大学 | Water-rock acting device for simulating high-water-pressure loading and air drying control and method thereof |
| CN105372117B (en) * | 2015-11-04 | 2017-11-17 | 三峡大学 | A kind of water-rock interaction devices and methods therefor simulated high hydraulic pressure loading and air-dry control |
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Application publication date: 20140827 |
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