CN205374193U - Gas circulation fatigue performance testing arrangement - Google Patents
Gas circulation fatigue performance testing arrangement Download PDFInfo
- Publication number
- CN205374193U CN205374193U CN201521128580.9U CN201521128580U CN205374193U CN 205374193 U CN205374193 U CN 205374193U CN 201521128580 U CN201521128580 U CN 201521128580U CN 205374193 U CN205374193 U CN 205374193U
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- China
- Prior art keywords
- baroceptor
- gas
- valve
- sample clamp
- testing device
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Abstract
The utility model relates to a gas circulation fatigue performance testing arrangement, including specimen grip utensil box, baroceptor, control host computer, air pressure controller, flow proportion valve, linear pressurization solenoid valve and compressor, specimen grip utensil box passes through the connecting pipe and connects the flow proportion valve, the flow proportion valve is connected with input tube and output tube, the compressor is connected to the input tube, linear pressurization solenoid valve is located on the input tube, the baroceptor is located on the specimen grip utensil box, baroceptor and air pressure controller are connected respectively to the control host computer, air pressure controller connects flow proportion valve and linear pressurization solenoid valve. Compared with the prior art, the utility model discloses accurate controlling the air pressure reaches the linear requirement that increases and reduce to realize the recycle.
Description
Technical field
This utility model relates to a kind of test device, especially relates to a kind of gas cyclic fatigue system safety testing device.
Background technology
Fatigue test is that reliability testing is a kind of, and it utilizes rubber, plastic sample or simulation parts under circumstances, stands alternate load and measures its fatigue behaviour criterion, and studies the test of its fracture process.Before product, part produce design, it is necessary to the sample designed is carried out the gas cyclic fatigue performance test of various criterion.In process of the test, in order to when sample survey can lose efficacy, need the state of sample during detection inflation/deflation (during air pressure change) fatigue resistance test, the curve of air pressure change is as shown in Figure 1, gas circulation including different air pressure numerical value, the circulation of each gas all carries out buck by the gentle body curve P2 of gas curve P1, the gas circulation cycle4=365 time × gas circulation cycle1+55 time × gas circulation cycle2+1 time × gas circulation cycle3 of 1 time in Fig. 1, need to carry out the gas circulation cycle4 of 10 times, because simulating the experimental enviroment of different air pressure change, also the regulatory function to test device, sealing effectiveness etc. are had higher requirement.
Utility model content
Defect that the purpose of this utility model is contemplated to overcome above-mentioned prior art to exist and a kind of gas cyclic fatigue system safety testing device is provided, the accurate air pressure that controls reaches linear increase and lowers the requirement, and realizes iterative cycles.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of gas cyclic fatigue system safety testing device includes sample clamp casing, baroceptor, monitoring host computer, gas pressure regulator, flow proportion valve, linearly add pressure electromagnetic valve and compressor, described sample clamp casing passes through connecting tube connection traffic proportioning valve, described flow proportion valve is connected to input pipe and outlet tube, described input pipe connects compressor, the described pressure electromagnetic valve that linearly adds is located on input pipe, described baroceptor is located on sample clamp casing, described monitoring host computer connects baroceptor and gas pressure regulator respectively, described gas pressure regulator connection traffic proportioning valve and linearly add pressure electromagnetic valve.
Air pressure signal in baroceptor Real-time Collection sample clamp casing, and air pressure signal is transferred to monitoring host computer, air pressure signal is also transmitted to gas pressure regulator by monitoring host computer display air pressure, gas pressure regulator to flow proportion valve by the air pressure signal that feeds back to and is linearly added pressure electromagnetic valve and is controlled, the flow linearly adding pressure electromagnetic valve adjustment input pipe makes the air pressure linear increase in sample clamp casing, and flow proportion valve regulates the flow of input pipe and outlet tube simultaneously and makes the air pressure linear reduction in sample clamp casing.
Described baroceptor is located on sample clamp casing by pressing plate, is provided with sealing gasket between described pressing plate and sample clamp casing.
Described baroceptor includes being separately positioned on the first baroceptor on two relative sides of sample clamp casing and the second baroceptor.
Described first baroceptor and the second baroceptor are evenly equipped with multiple.
Described sample clamp casing is provided with two gas interfaces connecting outlet tube, and said two gas interface is symmetrical arranged.
Described connecting tube is provided with digital display manometer.
Described input pipe is provided with one-way throttle valve.
Described input pipe is provided with pressure maintaining valve.
Described outlet tube is provided with one-way throttle valve.
Compared with prior art, this utility model has the advantage that
1) the sample clamp box house air pressure signal that in this utility model, gas pressure regulator is fed back to by baroceptor and monitoring host computer, to flow proportion valve with linearly add pressure electromagnetic valve and be controlled, linearly add pressure electromagnetic valve and can realize the linear pressurization of gas, flow proportion valve controls input pipe and outlet tube simultaneously, realize the linear voltage decreasing of gas, reach linear increase thus realizing the accurate air pressure that controls and lower the requirement, and can utilize by iterative cycles.
2) in this utility model, the first baroceptor and the second baroceptor are separately positioned on two opposite flanks of sample clamp casing, make the air pressure signal in the sample clamp casing gathered can well react its true atmospheric pressure state, both meansigma methodss are the air pressure of whole box house, improve the precision of air pressure signal feeding back to gas pressure regulator so that gas pressure regulator is to flow proportion valve and linearly to add the control signal of pressure electromagnetic valve more accurate.
3) in this utility model, sample clamp casing is provided with two gas interfaces of symmetry, is conducive to, uniformly to the uniform aerofluxus blood pressure lowering of air inlet pressurization in sample clamp casing and sample clamp casing, improving the precision controlling air pressure.
4) this utility model also sets up the air pressure that digital display manometer is easy in process of the test on observation connecting line, pressure maintaining valve is conducive to the air-flow of gas in stable input pipe simultaneously, one-way throttle valve ensures gas flow, it is prevented that sinuous flow occur, thus improving reliability and the practicality of single unit system.
Accompanying drawing explanation
Fig. 1 is gas pressure test curve synoptic diagram in gas cyclic fatigue testing experiment；
Fig. 2 is this utility model device overall structure schematic diagram；
Fig. 3 is sample clamp casing schematic diagram；
Fig. 4 is sample clamp box body tightness test curve figure.
In figure: 1, sample clamp casing, 2, baroceptor, 3, monitoring host computer, 4, gas pressure regulator, 5, flow proportion valve, 6, linearly add pressure electromagnetic valve, 7, compressor, 8, pressing plate, 9, sealing gasket, 10, gas interface, 11, digital display manometer, 12, one-way throttle valve, 13, pressure maintaining valve, 14, connecting tube, 15, input pipe, 16, outlet tube.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described in detail.The present embodiment is carried out premised on technical solutions of the utility model, gives detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
nullAs shown in Figure 2，A kind of gas cyclic fatigue system safety testing device includes sample clamp casing 1、Baroceptor 2、Monitoring host computer 3、Gas pressure regulator 4、Flow proportion valve 5、Linearly add pressure electromagnetic valve 6 and compressor 7，Sample clamp casing 1 is by connecting tube 14 connection traffic proportioning valve 5，Flow proportion valve 5 is connected to input pipe 15 and outlet tube 16，Input pipe 15 connects compressor 7，Linearly add pressure electromagnetic valve 6 to be located on input pipe 15，Baroceptor 2 is located on sample clamp casing 1，Monitoring host computer 3 connects baroceptor 2 and gas pressure regulator 4 respectively，Gas pressure regulator 4 connection traffic proportioning valve 5 and linearly add pressure electromagnetic valve 6，Controlled flow proportion valve 5 by the feedback signal of baroceptor 2 by gas pressure regulator 4 and linearly add pressure electromagnetic valve 6，And then realize controlling gas flow output，The air pressure making the intracavity of sample clamp casing 1 by the specification requirement linear increase of Fig. 1 and reduces to reach testing goal，Wherein，Linearly add pressure electromagnetic valve 6 and can realize the linear pressurization of gas，Flow proportion valve 5 controls input pipe 15 and outlet tube 16 simultaneously，Realize the linear voltage decreasing of gas，Monitoring host computer 3 can obtain the air pressure analogue signal that baroceptor 2 gathers in real time，And be converted to air pressure digital signal and show on a display screen，Air pressure digital signal will feed back to gas pressure regulator 4 simultaneously.
Sample clamp casing 1 is provided with two gas interfaces 10 connecting outlet tube 16, and two gas interfaces 10 are symmetricly set on the positive side of sample clamp casing 1, as shown in Figure 3.
As it is shown on figure 3, baroceptor 2 includes being separately positioned on the first baroceptor on 1 two relative sides of sample clamp casing and the second baroceptor.First baroceptor and the second baroceptor are evenly equipped with multiple.In the present embodiment, the first baroceptor is arranged on left surface, and the second baroceptor is arranged on right flank, and the first baroceptor and the second baroceptor are respectively provided with four.
In order to ensure the sealing of sample clamp casing 1, baroceptor 2 is located on sample clamp casing 1 by pressing plate 8, is provided with sealing gasket 9 so that sample clamp casing 1 has high air-tightness between pressing plate 8 and sample clamp casing 1.As shown in Figure 4, sample clamp casing 1 can bear following specification gas air-leakage test: requires under 250mbar gas pressure, sample clamp casing 1 gas-tight phenomenon.
Connecting tube 14 is provided with and shows the digital display manometer 11 of gas pressure in connecting tube 14.Input pipe 15 is provided with one-way throttle valve 12, and input pipe 15 is provided with pressure maintaining valve 13, and outlet tube 16 is provided with one-way throttle valve 12, needs standard operation in process of the test.Compressor 7 can adopt air pump.During test, sample is fixed on the intracavity of sample clamp casing 1, by gas pressure regulator 4 Based Intelligent Control inflation/deflation process, the state of sample during detection inflation/deflation fatigue resistance test.
Claims (9)
- null1. a gas cyclic fatigue system safety testing device，It is characterized in that，Including sample clamp casing (1)、Baroceptor (2)、Monitoring host computer (3)、Gas pressure regulator (4)、Flow proportion valve (5)、Linearly add pressure electromagnetic valve (6) and compressor (7)，Described sample clamp casing (1) is by connecting tube (14) connection traffic proportioning valve (5)，Described flow proportion valve (5) is connected to input pipe (15) and outlet tube (16)，Described input pipe (15) connects compressor (7)，The described pressure electromagnetic valve (6) that linearly adds is located on input pipe (15)，Described baroceptor (2) is located on sample clamp casing (1)，Described monitoring host computer (3) connects baroceptor (2) and gas pressure regulator (4) respectively，Described gas pressure regulator (4) connection traffic proportioning valve (5) and linearly add pressure electromagnetic valve (6).
- 2. a kind of gas cyclic fatigue system safety testing device according to claim 1, it is characterized in that, described baroceptor (2) is located on sample clamp casing (1) by pressing plate (8), is provided with sealing gasket (9) between described pressing plate (8) and sample clamp casing (1).
- 3. a kind of gas cyclic fatigue system safety testing device according to claim 1, it is characterized in that, described baroceptor (2) includes being separately positioned on the first baroceptor on (1) two relative side of sample clamp casing and the second baroceptor.
- 4. a kind of gas cyclic fatigue system safety testing device according to claim 3, it is characterised in that described first baroceptor and the second baroceptor are evenly equipped with multiple.
- 5. a kind of gas cyclic fatigue system safety testing device according to claim 1, it is characterized in that, described sample clamp casing (1) is provided with two gas interfaces (10) connecting outlet tube (16), and said two gas interface (10) is symmetrical arranged.
- 6. a kind of gas cyclic fatigue system safety testing device according to claim 1, it is characterised in that described connecting tube (14) is provided with digital display manometer (11).
- 7. a kind of gas cyclic fatigue system safety testing device according to claim 1, it is characterised in that described input pipe (15) is provided with one-way throttle valve (12).
- 8. a kind of gas cyclic fatigue system safety testing device according to claim 1, it is characterised in that described input pipe (15) is provided with pressure maintaining valve (13).
- 9. a kind of gas cyclic fatigue system safety testing device according to claim 1, it is characterised in that described outlet tube (16) is provided with one-way throttle valve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521128580.9U CN205374193U (en) | 2015-12-30 | 2015-12-30 | Gas circulation fatigue performance testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521128580.9U CN205374193U (en) | 2015-12-30 | 2015-12-30 | Gas circulation fatigue performance testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205374193U true CN205374193U (en) | 2016-07-06 |
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ID=56258010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521128580.9U Expired - Fee Related CN205374193U (en) | 2015-12-30 | 2015-12-30 | Gas circulation fatigue performance testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205374193U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769562A (en) * | 2016-11-29 | 2017-05-31 | 刘玉平 | A kind of new fuselage skin is uniformly pressurized fatigue experimental machine and its analogy method |
-
2015
- 2015-12-30 CN CN201521128580.9U patent/CN205374193U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769562A (en) * | 2016-11-29 | 2017-05-31 | 刘玉平 | A kind of new fuselage skin is uniformly pressurized fatigue experimental machine and its analogy method |
| CN106769562B (en) * | 2016-11-29 | 2019-03-05 | 刘玉平 | A kind of fuselage skin is uniformly pressurized fatigue experimental machine and its analogy method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20181230 |