CN204286733U - Normal temperature water attack pilot system - Google Patents
Normal temperature water attack pilot system Download PDFInfo
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- CN204286733U CN204286733U CN201420721145.6U CN201420721145U CN204286733U CN 204286733 U CN204286733 U CN 204286733U CN 201420721145 U CN201420721145 U CN 201420721145U CN 204286733 U CN204286733 U CN 204286733U
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- temperature water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 238000012360 testing method Methods 0.000 claims abstract description 75
- 230000035939 shock Effects 0.000 claims abstract description 71
- 239000012530 fluid Substances 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000012544 monitoring process Methods 0.000 claims description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 239000003351 stiffener Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- 230000006835 compression Effects 0.000 abstract description 10
- 238000007906 compression Methods 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000033558 biomineral tissue development Effects 0.000 description 2
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical compound C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 2
- 210000000664 rectum Anatomy 0.000 description 2
- 239000002760 rocket fuel Substances 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of normal temperature water attack pilot system, comprising: shock testing machine and impulsive control unit; The hydraulic cylinder be fixedly installed, described cylinder chamber is divided into first, second chamber by a piston, the piston rod be fixedly connected on piston coordinates with shock testing machine table top, first chamber and shock testing machine table top close, and be filled with compressible flow body medium in the first chamber, second chamber is communicated with accumulator sap cavity, should also be filled with incompressible fluid medium within both; In order to regulate described normal temperature water attack pilot system fluid pressure line in the pressurization liquid replenisher of pressure of incompressible fluid medium; And, mainly in order to monitor the pressure monitor unit of the incompressible fluid pressure medium in described cylinder chamber.The utility model is simple and reasonable, and assembling maintenance cost is low, accurately can realize compression shock, and can realize the adjustment of equalized pressure in test unit sap cavity easily by the pressurization of pressurization liquid replenisher, thus meets different testing requirements.
Description
Technical field
The utility model is in particular to a kind of normal temperature water attack pilot system
,the shock resistance of accumulator on compression shock in simulated rocket fuel tube and examination pipeline can be applied to.
Background technology
In compression shock test in simulated rocket fuel tube, its simulation medium is water, in order to examine the shock resistance of accumulator, because the impact resistance of accumulator cannot be estimated in advance accurately, therefore the impulsive force provided in test also cannot be determined in advance.
At present, utilize traditional shock testing machine to coordinate impulsive control instrument can more accurately provide impact peak value and pressure rise time, but be accurate numerical value just because of the impact peak value that shock testing machine provides, thus cannot directly apply in compression shock simulation test.
In addition, current most hydraulic shock testing equipment by executive component actuator compression accumulator bellows air cavity with realize impact, but due to the requirement (directly impacting bellows air cavity by fluid under pressure) of hydraulic shock and the special complexity of the self structure of accumulator, also more difficult direct utilization.
Utility model content
For the deficiencies in the prior art, it is simple and reasonable that one of the purpose of this utility model is to provide one to have, and is easy to assembling and safeguards, can meet different testing requirement, and test result accurate normal temperature water attack pilot system.
To achieve these goals, the technical solution of the utility model is as follows:
A kind of normal temperature water attack pilot system, comprising:
Shock testing machine and impulsive control unit,
Be fixedly installed in the hydraulic cylinder on a pedestal, described cylinder chamber is divided into the first chamber and the second chamber by a piston, described piston is fixedly connected with piston rod, described piston rod coordinates with described shock testing machine table top, wherein, described first chamber and shock testing machine table top close, and be filled with compressible flow body medium in described first chamber, and described second chamber is communicated with accumulator sap cavity, be also filled with incompressible fluid medium in described second chamber and accumulator sap cavity simultaneously;
At least in order to regulate described normal temperature water attack pilot system fluid pressure line in the pressurization liquid replenisher of pressure of incompressible fluid medium;
And, at least in order to monitor the pressure monitoring system of the pressure of incompressible fluid medium in described cylinder chamber and/or compressible flow body medium.
Another object of the present utility model is to provide a kind of hydraulic shock test method, comprises the following steps:
Normal temperature water attack pilot system is provided, this normal temperature water attack pilot system comprises shock testing machine respectively as power source and actuated element and hydraulic cylinder, wherein, described cylinder chamber is divided into the first chamber and the second chamber by a piston, described piston is connected with piston rod, described piston rod coordinates with described shock testing machine table top, described first chamber and shock testing machine table top close, and be filled with compressible flow body medium in described first chamber, and described second chamber is communicated with accumulator sap cavity, also be filled with incompressible fluid medium in described second chamber and accumulator sap cavity simultaneously,
Described accumulator is replaced with a blind plate, and make described blind plate and described second chamber, and hydraulic pressure output pipe between described blind plate and described second chamber arranges pressure monitoring system, in order to monitor the force value in this normal temperature water attack pilot system in fluid pressure line
Pressurize after fill incompressible fluid medium in described fluid pressure line, the pressure to described fluid pressure line reaches required value,
The controling parameters of described shock testing machine is set, and starts shock testing machine, impact described piston rod with shock testing machine table top,
According to the compression shock amplitude that described pressure monitor unit shows, adjust the running parameter of described shock testing machine;
After the running parameter of described compression shock amplitude and described shock testing machine reaches testing requirements, blind plate is replaced with accumulator, makes described accumulator sap cavity and described second chamber,
Start described shock testing machine, described piston rod is impacted with shock testing machine table top, make to be filled in the incompressible fluid medium in described second chamber and accumulator sap cavity and extruding is produced to the air cavity of accumulator, thus mineralization pressure impacts, and, in process of the test, pressure change when also monitoring every Secondary Shocks with described pressure monitor unit in described accumulator sap cavity, until off-test.
Further, described pressurization liquid replenisher and accumulator sap cavity and/or described second chamber.
Further, described pressurization liquid replenisher comprises in order to carry out to the hydraulic system primarily of described accumulator sap cavity and the second chamber composition ventilate the air inlet pressurization mouth of pressurization and the filling opening for filling incompressible fluid medium to described hydraulic system.
Further, described pressure monitoring system comprises:
Be arranged on to be communicated with the pressure transducer on the hydraulic pressure output pipe between described second chamber and accumulator sap cavity,
And, the pressure monitor unit be connected with described pressure transducer.
Further, described hydraulic cylinder is installed vertically on the pedestal of described shock testing machine, and described piston rod is positioned at below described shock testing machine table top.
Further, described piston rod part is also fixedly connected with horizontally disposed stiffener plate, and described stiffener plate is positioned at immediately below the table top of described shock testing machine.
Further, described accumulator is arranged in a frock.
Further, described incompressible fluid medium at least can be selected from any one in water, hydraulic oil, but is not limited thereto.
Further, described compressible flow body medium preferably can adopt air.
Further, described shock testing machine adopts drop type shock testing machine, and the running parameter of described shock testing machine comprises height and the band-type brake time of shock testing machine table top.
Compared with prior art, advantage of the present utility model comprises:
(1) this normal temperature water attack pilot system connection for transmission of adopting the hydraulic cylinder with simple structure to realize between shock testing machine and accumulator, not only simple and reasonable, assembling maintenance cost is low, and accurately can realize compression shock, particularly by strengthening the outlet latus rectum of hydraulic cylinder, reduce flow resistance, also assures that transmission process has enough flows, improve transmission efficiency, simultaneously, adding water and pressurizeing test unit can be realized easily by pressurization liquid replenisher, thus meet different testing requirements;
(2) this hydraulic shock test method utilizes shock testing machine to realize hydraulic shock, simple to operation, effectively can realize the impact test of accumulator, and by simply adjusting the parameter such as shock testing machine height and band-type brake time, accurate set pressure impacts amplitude, thus meets different accurate testing requirements.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model architectural feature and technical essential, below in conjunction with the drawings and specific embodiments, the technical solution of the utility model is described in detail.
Fig. 1 is the structural representation of a kind of normal temperature water attack pilot system in the utility model one exemplary embodiments.
Description of reference numerals: 1-shock testing machine, 2-hydraulic cylinder, 21-piston rod, 3-pressurizes liquid replenisher, 31-air inlet pressurization mouth, 32-filling opening, 4-pressure transducer, 5-pressure monitor unit, 6-hydraulic pressure output pipe, 7-frock, 8-accumulator.
Embodiment
Below in conjunction with drawings and Examples, the technical solution of the utility model is more specifically described.
Shown in Figure 1, a kind of normal temperature water attack pilot system that the present embodiment relates to can be used for the shock resistance of the accumulator on testing conduit, it comprises shock testing machine 1, hydraulic cylinder 2, pressurization liquid replenisher 3, pressure transducer 4 and pressure monitor unit 5, hydraulic cylinder 2 is vertically located on the pedestal of shock testing machine 1, and below the table top being positioned at shock testing machine 1, there is in hydraulic cylinder 2 piston, the piston of hydraulic cylinder 2 acts on mutually through the table top of piston rod 21 with shock testing machine 1, hydraulic cylinder 2 has the first chamber and the second chamber, first chamber is positioned at the side of piston near shock testing machine table top, and be wherein filled with air, second chamber is positioned at the opposite side of piston, it is connected through hydraulic pressure output pipe 6 with the sap cavity of accumulator 8, and be filled with incompressible fluid medium in the second chamber and accumulator 8 sap cavity, pressurization liquid replenisher 3 is connected with accumulator 8 sap cavity, pressurization liquid replenisher 3 is at least in order to the pressure of the incompressible fluid medium in the second chamber of regulator solution cylinder pressure 2 and/or the sap cavity of accumulator 8, pressure transducer 4 is serially connected on hydraulic pressure output pipe 6, and be connected with pressure monitor unit 5, pressure monitor unit 5 is at least in order to detect the pressure of the incompressible fluid medium in the second chamber of hydraulic cylinder 2.Wherein, shock testing machine 1 is also connected with an impulsive control unit, pressurization liquid replenisher 3 comprises air inlet pressurization mouth 31 and a filling opening 32, by air inlet pressurization mouth 31, ventilation pressurization is carried out to whole fluid pressure line, by filling opening 32, incompressible fluid medium is filled to whole fluid pressure line, incompressible fluid medium can be water or hydraulic pressure wet goods, preferably adopts water.Piston rod 21 top is fixedly connected with a steel plateform, steel plateform is positioned at below the table top of shock testing machine 1, more steady when utilizing this steel plateform can make shock testing machine 1 impact hydraulic cylinder 2, accumulator 8 is located on frock 7, plays the effect of carrying, firmly accumulator 8.
The method utilizing this normal temperature water attack pilot system to carry out testing comprises the following steps:
A. provide a shock testing machine 1 as power source, provide a hydraulic cylinder 2 as actuated element, hydraulic cylinder 2 is fixedly mounted on the pedestal of shock testing machine 1;
B. a frock 7 is connected on the hydraulic pressure output pipe 6 of hydraulic cylinder 2, replaces accumulator 8 with blind plate, blind plate is connected with the second chamber of hydraulic cylinder 2 by hydraulic pressure output pipe 6;
C. pressure transducer 4 is serially connected on hydraulic pressure output pipe 6, and starts the pressure monitor unit 5 be connected with pressure transducer 4, in order to detect the force value in whole fluid pressure line;
D. by pressurization liquid replenisher 3 give fill it up with incompressible fluid medium in whole fluid pressure line after and pressurize, ensure that the pressure in whole sap cavity pipeline reaches required value;
E., the controling parameters of shock testing machine 1 is set, after whole impulse test systems inspection is errorless, starts shock testing machine 1, the piston rod 21 of the table top falling impacts hydraulic cylinder 2 of shock testing machine 1;
F. according to the compression shock amplitude that pressure monitor unit 5 shows, the height of adjustment shock testing machine 1 and band-type brake time;
G. after compression shock amplitude and rise time reach testing requirements, blind plate is replaced by accumulator 8, makes the second chamber of accumulator 8 and hydraulic cylinder 2, and formally test;
H. start shock testing machine 1, by shock testing machine 1 table top falling impacts piston rod 21, make to be filled in the incompressible fluid medium in hydraulic cylinder 2 and accumulator 8 sap cavity and extruding is produced to the air cavity of accumulator 8, thus mineralization pressure impacts;
I., in process of the test, every Secondary Shocks all utilizes the pressure of pressure transducer 4 survey record accumulator 8 sap cavity to change, until off-test.
Briefly, the present embodiment by simply adjust the height of shock testing machine 1 and band-type brake time and accurately set pressure impact amplitude; Realize the connection for transmission between shock testing machine 1 and accumulator 8 by hydraulic cylinder 2, particularly by strengthening the outlet latus rectum of hydraulic cylinder 2, ensure that transmission process has enough flows, improve transmission efficiency; Can be realized the adjustment of equalized pressure in pilot system sap cavity by the pressurization of pressurization liquid replenisher 3 simultaneously.The utility model is simple and reasonable, and assembling maintenance cost is low, effectively can realize the impact resistance test of accumulator.
Above-mentioned embodiment is only and technical conceive of the present utility model and architectural feature is described; object is to allow the stakeholder being familiar with technique implement according to this; but above said content does not limit protection domain of the present utility model; every any equivalence done according to Spirit Essence of the present utility model changes or modifies, and all should fall within protection domain of the present utility model.
Claims (7)
1. a normal temperature water attack pilot system, is characterized in that comprising:
Shock testing machine and impulsive control unit,
Be fixedly installed in the hydraulic cylinder on a pedestal, described cylinder chamber is divided into the first chamber and the second chamber by a piston, described piston is fixedly connected with piston rod, described piston rod coordinates with described shock testing machine table top, wherein said first chamber and shock testing machine table top close, and be filled with compressible flow body medium in described first chamber, and described second chamber is communicated with accumulator sap cavity, is also filled with incompressible fluid medium in described second chamber and accumulator sap cavity simultaneously;
At least in order to regulate described normal temperature water attack pilot system fluid pressure line in the pressurization liquid replenisher of pressure of incompressible fluid medium;
And, at least in order to monitor the pressure monitoring system of the pressure of incompressible fluid medium in described cylinder chamber and/or compressible flow body medium.
2. normal temperature water attack pilot system according to claim 1, is characterized in that described pressurization liquid replenisher and accumulator sap cavity and/or described second chamber.
3. normal temperature water attack pilot system according to claim 2, is characterized in that described pressurization liquid replenisher comprises in order to carry out to the hydraulic system primarily of described accumulator sap cavity and the second chamber composition ventilate the air inlet pressurization mouth of pressurization and the filling opening for filling incompressible fluid medium to described hydraulic system.
4. normal temperature water attack pilot system according to claim 1, is characterized in that described pressure monitoring system comprises:
Be arranged on to be communicated with the pressure transducer on the hydraulic pressure output pipe between described second chamber and accumulator sap cavity,
And, the pressure monitor unit be connected with described pressure transducer.
5. normal temperature water attack pilot system according to claim 1, is characterized in that described hydraulic cylinder is installed vertically on the pedestal of described shock testing machine, and described piston rod is positioned at below described shock testing machine table top.
6. normal temperature water attack pilot system according to claim 5, it is characterized in that described piston rod part is also fixedly connected with horizontally disposed stiffener plate, described stiffener plate is positioned at immediately below the table top of described shock testing machine.
7. normal temperature water attack pilot system according to claim 1, is characterized in that described accumulator is arranged in frock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420721145.6U CN204286733U (en) | 2014-11-26 | 2014-11-26 | Normal temperature water attack pilot system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420721145.6U CN204286733U (en) | 2014-11-26 | 2014-11-26 | Normal temperature water attack pilot system |
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| Publication Number | Publication Date |
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| CN204286733U true CN204286733U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420721145.6U Expired - Fee Related CN204286733U (en) | 2014-11-26 | 2014-11-26 | Normal temperature water attack pilot system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612668A (en) * | 2017-09-30 | 2019-04-12 | 宁波方太厨具有限公司 | A kind of water hammer test macro and test method |
| CN110131588A (en) * | 2019-05-21 | 2019-08-16 | 珠江水利委员会珠江水利科学研究院 | Long range water supply line water hammer experimental rig |
-
2014
- 2014-11-26 CN CN201420721145.6U patent/CN204286733U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612668A (en) * | 2017-09-30 | 2019-04-12 | 宁波方太厨具有限公司 | A kind of water hammer test macro and test method |
| CN110131588A (en) * | 2019-05-21 | 2019-08-16 | 珠江水利委员会珠江水利科学研究院 | Long range water supply line water hammer experimental rig |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200430 Address after: 300000 No. 9 North Third Street, West District, Tianjin Binhai New Area Development Zone Patentee after: TIANJIN AEROSPACE RELIA TECHNOLOGY Co.,Ltd. Address before: Mudu Wuzhong District Jin Feng Road Suzhou city Jiangsu province 215000 No. 198 Building 5 Room 501 (Jinfeng business center) Patentee before: SUZHOU BRANCH OF TIANJIN AEROSPACE RELIA TECHNOLOGY Co.,Ltd. |
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| 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: 20150422 |