CN203811488U - Indirect pulse testing device - Google Patents
Indirect pulse testing device Download PDFInfo
- Publication number
- CN203811488U CN203811488U CN201420226779.4U CN201420226779U CN203811488U CN 203811488 U CN203811488 U CN 203811488U CN 201420226779 U CN201420226779 U CN 201420226779U CN 203811488 U CN203811488 U CN 203811488U
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- oil
- valve
- communicated
- branch road
- pressure
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- 238000012360 testing method Methods 0.000 title claims abstract description 62
- 238000002955 isolation Methods 0.000 claims abstract description 26
- 239000002828 fuel tank Substances 0.000 claims description 14
- 238000009825 accumulation Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000002474 experimental method Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 25
- 238000013459 approach Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000541 pulsatile effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Fluid-Pressure Circuits (AREA)
Abstract
The utility model relates to an indirect pulse testing device and aims to solve the technical problem that in a current indirect isolation type hydraulic pulse testing system, a pulse test can be performed on only a tested element at one working pressure. The device comprises a power system, an oil replenishing system, an oil isolation cylinder, as well as a first pressure test table and a second pressure test table which are used for testing the tested element, wherein the power system comprises an oil feeding pump and an electromagnetic reversing valve which is correspondingly communicated with the oil feeding pump; the electromagnetic reversing valve, the isolation cylinder and the first pressure test table are sequentially connected with one another correspondingly to form a first branch; the electromagnetic reversing valve and the second pressure test table are correspondingly communicated with each other to form a second branch; a second shutoff valve is communicated between the first branch and the second branch; the oil replenishing system comprises an oil replenishing pump and a first shutoff valve which is communicated with the oil replenishing pump; the first shutoff valve is correspondingly communicated with the second shutoff valve. The device can be used for simultaneously implementing the pulse tests on the tested elements at the work pressures with different isolation ratio values.
Description
Technical field
The utility model relates to a kind of indirect impulse test device, relates in particular to a kind of isolation cylinder isolation technology that utilizes and to having the working pressure testpieces of different separating ratio values, carries out the indirect impulse test device of pulse testing simultaneously.
Background technology
In existing indirect isolation hydraulic pressure pulse testing system, by power system, oil-supplementing system, isolation cylinder, operation valve etc., formed, and adopt solenoid directional control valve, throttling valve paired pulses formation control, its oil-supplementing system adopts hydraulic oil filling system, testpieces is only connected with a chamber with the isolation cylinder of two-chamber, therefore can only carry out pulse testing for a kind of testpieces of working pressure during test, the testpieces with different separating ratio values can not be carried out to pulse testing simultaneously.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, adapt to reality needs, a kind of indirect impulse test device is provided, is intended to solve in current existing indirect isolation hydraulic pressure pulse testing system, can only carry out for a kind of testpieces of working pressure the technical matters of pulse testing.
In order to realize the purpose of this utility model, the technical scheme that the utility model adopts is:
An indirect impulse test device, comprises power system, oil-supplementing system, isolation cylinder, for testing experiment part the first pressure test bench, the second pressure test bench; Described power system comprise oil-feed pump, with the solenoid directional control valve of the corresponding connection of this oil-feed pump; Described solenoid directional control valve, isolation cylinder, the first pressure test bench are corresponding to be successively communicated with and to form the first branch road, described solenoid directional control valve, the second pressure test bench correspondence are communicated with and form the second branch road, between this first branch road and the second branch road, are communicated with the second intercepting valve; Described oil-supplementing system comprises slippage pump, the first intercepting valve being communicated with described slippage pump;
Described the first pressure test bench is successively via the first coiled pipe, the first throttle valve connection corresponding to described isolation cylinder of correspondence.
Described the second pressure test bench is successively via the second coiled pipe, the second throttling valve connection corresponding to described solenoid directional control valve of correspondence.
Described power system also comprises pressure accumulation tank, surplus valve, heating radiator, oil filter, fuel tank, and described fuel tank, oil-feed pump, pressure accumulation tank, solenoid directional control valve are communicated with successively and form oil-feed branch road; Described solenoid directional control valve, oily filter, heating radiator, fuel tank are corresponding to be successively communicated with and to form oil return branch road; Described surplus valve correspondence is communicated between described oil-feed branch road and oil return branch road.
Described oil-supplementing system comprises slippage pump, the first intercepting valve, tensimeter, retaining valve; Described slippage pump, tensimeter, retaining valve, the first intercepting valve be corresponding connection successively.
The beneficial effects of the utility model are:
This device can be realized the pulse testing of the working pressure testpieces with different separating ratio values simultaneously, and can meet the testpieces with identical or different medium requirement and carry out pulse testing, and this device can greatly shorten the test period when testpieces is tested, reduce power source power, resource consumption, raising test efficiency, save human and material resources, financial resources.
This device adopts the isolation cylinder with certain separating ratio value, has realized the control of the working pressure testpieces pulse waveform with two kinds of different separating ratio values on this device simultaneously; By this device, also can realize identical from the different requirement of testpieces actuating medium simultaneously.
Accompanying drawing explanation
Fig. 1 is this principle of device schematic diagram;
In figure: A. power system; B. oil-supplementing system; 1. motor; 2. oil-feed pump; 3. fuel tank; 4. heating radiator; 5. oil filter; 6. retaining valve; 7. oil filter; 8. pressure accumulation tank; 9. shock-proof pressure gauge; 10. surplus valve; 11. throttling valve; 12. solenoid directional control valves; 13. isolation cylinders; 14. throttling valve; 15. first coiled pipes, 16. throttling valve; 17. second coiled pipes; 18. second intercepting valves; 19. first intercepting valves; 20. repairing fuel tanks; 21. heating radiators; 22. oil filters; 23. throttling valve; 24. oil filters; 25. slippage pumps; 26. motors; 27. tensimeters; 28. retaining valves; 29. second testing tables; 30. first testing tables.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated:
Embodiment 1: a kind of indirect impulse test device, referring to Fig. 1, this device comprises power system A, oil-supplementing system B, isolation cylinder 13, for testing the first pressure test bench 30, second pressure test bench 29 of the working pressure testpieces with different separating ratio values;
Described power system comprises oil-feed pump 2, solenoid directional control valve 12, pressure accumulation tank 8, surplus valve 10, heating radiator 4, oil filter 5, fuel tank 3, and described fuel tank 3, oil-feed pump 2, pressure accumulation tank 8, solenoid directional control valve 12 are communicated with successively and form oil-feed branch road; Described solenoid directional control valve 12, oil filter 5, heating radiator 4, fuel tank 3 are corresponding to be successively communicated with and to form oil return branch road; Described surplus valve 10 correspondences are communicated between described oil-feed branch road and oil return branch road; Further, the corresponding retaining valve that is communicated with between oil-feed pump 2 and oil filter, corresponding shock-proof pressure gauge, the throttling valve of being communicated with successively between pressure accumulation tank and solenoid directional control valve, described oil-feed pump 2 and the corresponding corresponding connection of motor 1.
Described oil-supplementing system B comprises slippage pump 25, the first intercepting valve 19, tensimeter 27, retaining valve 28; Described slippage pump 25, tensimeter 27, retaining valve 28, the first intercepting valve 19 be corresponding connection successively; Described the first intercepting valve 19 correspondences are communicated in the second intercepting valve 18.Further, corresponding oil filter 24, the throttling valve 23 of being communicated with successively between slippage pump 25 and tensimeter 27.Further, this oil-supplementing system also comprises that correspondence is communicated in the repairing fuel tank 20 of described slippage pump 25, also comprise corresponding oil filter 22, heating radiator 21, described repairing fuel tank 20, heating radiator 21, oil filter 22, throttling valve 23 form feed circuit successively corresponding connection, described slippage pump 25 and the corresponding corresponding connection of motor 26.
Described the first pressure test bench 30 is communicated with and forms the first branch road via the first coiled pipe 15, first throttle valve 14, the isolation cylinder 13 of correspondence is corresponding with described solenoid directional control valve 12 successively, described the second pressure test bench 29 is communicated with and forms the second branch road via the second coiled pipe 17, second throttling valve 16 of correspondence is corresponding with described solenoid directional control valve 12 successively, is communicated with the second intercepting valve 18 between this first branch road and the second branch road; These the second intercepting valve 18 two ends are communicated with respectively on the second coiled pipe 17 and the second throttling valve 16 connecting pipelines, the first coiled pipe 15 and first throttle valve 14 connecting pipelines.
When this device carries out pulse testing to having the working pressure testpieces of different isolation ratios simultaneously, its course of work is as follows:
First close the second intercepting valve 18 and the first intercepting valve 19 that connect oil-supplementing system; Then in pressure accumulation tank 8, be filled with certain air pressure, start power system, and by surplus valve 10, regulate the pressure of power system.Now solenoid directional control valve 12 is in closed condition, the oil sources with pressure of oil-feed pump 2 outputs terminates in solenoid directional control valve 12, pressure accumulation tank 8 equals the pressure of oil-feed pump 2 outputs to the pressure of solenoid directional control valve 12 this section of pipelines, and the pressure of solenoid directional control valve 12 to first pressure test benches, this section of pipeline of the second pressure test bench (putting to underproof testpieces on two testing tables) and flow are zero.When starting to produce hydraulic impulse pressure, by control system, export a certain proportion of square-wave signal and control solenoid directional control valve 12 commutations in running order, make to be stored in pressure oil and the process of the pressure oil in power system pipeline solenoid directional control valve 12 in pressure accumulation tank 8, flow into respectively in the first branch road, the second branch road, the pressure oil flowing in the second branch road passes to throttling valve 16 directly being formed and clash into by testpieces, in pipeline, forms hydraulic impact, flow into the power system connection chamber that pressure oil in the first branch road passes to isolation cylinder 13, the piston that promotes isolation cylinder 13 moves rapidly, in by testpieces and pipeline, form hydraulic impact, now because solenoid directional control valve 12 not yet cuts out, so testpieces pressure level-off after pulsating wave decay, reach by the rated pressure of test specimen, after this solenoid directional control valve 12 commutations, oil-feed branch road in its power system is communicated with (pressure oil in pipeline flows in fuel tank via oil return branch road) with oil return branch road, the testpieces pressure that the second coiled pipe 17 connects is dropped rapidly to and approaches zero-bit, because the piston of isolation cylinder 13 is retracted into original position under the effect of pressure differential, the pressure of the testpieces that the first coiled pipe 15 connects is also dropped rapidly to and approaches zero-bit, has so far completed the pulsatile once of two-way testpieces.Under the condition that square wave is controlled continuously, start next pulse cycle.In test, by the isolation technology of isolation cylinder, can also realize the pulse testing that different medium requires.
In the test preparatory stage, fluid in oil-supplementing system is from slippage pump 25 outflows, through oil filter 24, again by regulating the throttling valve 23 of oil-supplementing system flow and carry out repairing via the first intercepting valve 19 and 18 pairs of testpieces of the second stop valve respectively by retaining valve 28 after tensimeter 27, make to be full of fluid in testpieces, can discharge residual gas and pressure oil in testpieces via the feed circuit in this oil-supplementing system simultaneously; Oil-supplementing system also can carry out repairing to system in process of the test.
What embodiment of the present utility model announced is preferred embodiment; but be not limited to this; those of ordinary skill in the art; very easily according to above-described embodiment; understand spirit of the present utility model; and make different amplifications and variation, but only otherwise depart from spirit of the present utility model, all in protection domain of the present utility model.
Claims (5)
1. an indirect impulse test device, comprises power system, oil-supplementing system, isolation cylinder, for testing experiment part the first pressure test bench, the second pressure test bench; Described power system comprise oil-feed pump, with the solenoid directional control valve of the corresponding connection of this oil-feed pump; It is characterized in that: described solenoid directional control valve, isolation cylinder, the first pressure test bench are corresponding to be successively communicated with and to form the first branch road, described solenoid directional control valve, the second pressure test bench correspondence are communicated with and form the second branch road, between this first branch road and the second branch road, are communicated with the second intercepting valve; Described oil-supplementing system comprises slippage pump, the first intercepting valve being communicated with described slippage pump; Described the first intercepting valve correspondence is communicated in the second intercepting valve.
2. indirect impulse test device as claimed in claim 1, is characterized in that: described the first pressure test bench is successively via the first coiled pipe, the first throttle valve connection corresponding to described isolation cylinder of correspondence.
3. indirect impulse test device as claimed in claim 1, is characterized in that: described the second pressure test bench is successively via the second coiled pipe, the second throttling valve connection corresponding to described solenoid directional control valve of correspondence.
4. indirect impulse test device as claimed in claim 1, it is characterized in that: described power system also comprises pressure accumulation tank, surplus valve, heating radiator, oil filter, fuel tank, described fuel tank, oil-feed pump, pressure accumulation tank, solenoid directional control valve are communicated with successively and form oil-feed branch road; Described solenoid directional control valve, oily filter, heating radiator, fuel tank are corresponding to be successively communicated with and to form oil return branch road; Described surplus valve correspondence is communicated between described oil-feed branch road and oil return branch road.
5. indirect impulse test device as claimed in claim 1, is characterized in that: described oil-supplementing system also comprises tensimeter, retaining valve, and described slippage pump, tensimeter, retaining valve, the first intercepting valve be corresponding connection successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420226779.4U CN203811488U (en) | 2014-05-06 | 2014-05-06 | Indirect pulse testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420226779.4U CN203811488U (en) | 2014-05-06 | 2014-05-06 | Indirect pulse testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203811488U true CN203811488U (en) | 2014-09-03 |
Family
ID=51450224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420226779.4U Expired - Lifetime CN203811488U (en) | 2014-05-06 | 2014-05-06 | Indirect pulse testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203811488U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050804A (en) * | 2016-04-28 | 2016-10-26 | 江西洪都航空工业集团有限责任公司 | Test system for hydraulic shock waveform control |
| CN110500344A (en) * | 2019-08-26 | 2019-11-26 | 天津格特斯检测设备技术开发有限公司 | A kind of surge pilot system |
| CN113203535A (en) * | 2021-06-11 | 2021-08-03 | 中国工程物理研究院流体物理研究所 | Electromagnetic drive's heavy load impact vibrations environment simulation test equipment |
-
2014
- 2014-05-06 CN CN201420226779.4U patent/CN203811488U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050804A (en) * | 2016-04-28 | 2016-10-26 | 江西洪都航空工业集团有限责任公司 | Test system for hydraulic shock waveform control |
| CN110500344A (en) * | 2019-08-26 | 2019-11-26 | 天津格特斯检测设备技术开发有限公司 | A kind of surge pilot system |
| CN110500344B (en) * | 2019-08-26 | 2021-10-26 | 天津格特斯检测设备技术开发有限公司 | Impact pressure test system |
| CN113203535A (en) * | 2021-06-11 | 2021-08-03 | 中国工程物理研究院流体物理研究所 | Electromagnetic drive's heavy load impact vibrations environment simulation test equipment |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140903 |