CN207923624U - The shock tube experiment device of blast off phenomenon Combined Loading in a kind of water - Google Patents
The shock tube experiment device of blast off phenomenon Combined Loading in a kind of water Download PDFInfo
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- CN207923624U CN207923624U CN201820347081.6U CN201820347081U CN207923624U CN 207923624 U CN207923624 U CN 207923624U CN 201820347081 U CN201820347081 U CN 201820347081U CN 207923624 U CN207923624 U CN 207923624U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 230000035939 shock Effects 0.000 title claims abstract description 28
- 238000002474 experimental method Methods 0.000 title claims abstract description 22
- AWZOLILCOUMRDG-UHFFFAOYSA-N edifenphos Chemical compound C=1C=CC=CC=1SP(=O)(OCC)SC1=CC=CC=C1 AWZOLILCOUMRDG-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 235000006506 Brasenia schreberi Nutrition 0.000 claims abstract description 67
- 238000012360 testing method Methods 0.000 claims abstract description 44
- 239000012736 aqueous medium Substances 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 238000004088 simulation Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 7
- 230000010349 pulsation Effects 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000011160 research Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000006399 behavior Effects 0.000 description 3
- 230000002706 hydrostatic effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000005474 detonation Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
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- 230000035515 penetration Effects 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
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Abstract
The utility model belongs to engineering protection technical field, discloses a kind of shock tube experiment device of blast off phenomenon Combined Loading in water.The shock tube experiment device of blast off phenomenon Combined Loading has water target pipe in a kind of disclosed water, and it is the circular cone stage body of tapers forward diameter that water target pipe, which has the cylindrical tube that can bear internal pressure 20MPa, the front end of water target pipe,；Water target pipe rear end has ring flange；Aqueous medium is filled in water target pipe；Powder column is hung in water target pipe, one end of powder column stretches out seam broken corresponding on water target pipe by detonating cord；The rear end of water target pipe is connect with observation tube；The both ends of observation tube have ring flange；Test specimen to be tested is mounted between water target pipe rear end ring flange and observation tube front end flange disk；The front of water target pipe is provided with knocking gear.Utility model device can complete the experimental study of the Dynamic Fracture Properties tests of materials such as different water depth, different equivalent underwater blast waves, gas bubble pulsation loading propagation rule and naval vessels.
Description
Technical field
The utility model belongs to engineering protection technical field, and in particular to the shock wave of blast off phenomenon Combined Loading in a kind of water
Pipe experimental provision.
Background technology
Blast off phenomenon experimental provision research field in water, external aspect, the U.S. are that earliest development dynamic load simulation is real
The country of experiment device and marine material dynamic mechanical behavior measuring technology, with regard to successively developing Charpy since the seventies in last century
The experimental techniques such as impact, drop weight test and stress-wave loading.Later, it takes the lead in developing using plate impact technology in the world,
For testing naval vessels MATERIALS ' DYNAMIC crack initiation rigidity Research under shock wave load-up condition.In recent years, USN spends huge sums development
Underwater blast wave loading device and test technology investigation, and subsidize Naval Undersea Warfare Center and carried out underwater shock tube load skill
Art research, has carried out plane size chain thump load test, the dynamic response for testing shock wave loading environment lower structure,
The deformational behavior under ship structure is acted on by underwater explosion loading is assessed, it is beautiful using these underwater loading devices and measuring technology
State has carried out comprehensive test to crucial naval vessels in serial loading rate spectral limit with steel dynamic fracture behaviors, establishes related examination
The database tested is managed and uses, and forms the shock resistance evaluation criteria of naval vessels.Aspect at home, relevant unit
（Such as：702 institute of ship, Mianyang Jiu Yuan in Wuxi）It has been completed some large-scale underwater explosion tanks and small-sized experiment water
Case is studied for detonation physics field characteristic and the dynamic response for testing naval ship structure.In terms of stress-wave loading dynamic test, state
There are many units in interior naval vessel field（Such as：702 institute of Wuxi, Harbin Engineering University）The Hopkinson bars of different bores are built
Experimental provision, the dynamic constitutive for naval vessels material measure.In terms of the experimental provision of more high loading rate, domestic handle exists
The shock wave loading experimental apparatus that aerospace, terrestrial weapon equipment field have been applied is generalized to naval vessel field, has built up tablet
Striking experiment device, for simulating the impact of the solid under different loading speeds and penetration.Recent Harbin Institute of Technology, Beijing reason
Work university copies the underwater blast wave loading experimental apparatus principle that the U.S. is built, and has built the non-drug type shock wave hit by film flying
Loading simulation experimental provision, but this kind of experimental provision can only simulate the water shooting impact wave load of certain dose, Bu Nengmo
The effects that quasi- bubble and jet stream, naval vessels and its Dynamic Fracture Properties of the big dose Combined Loading of hydro-structure material can not to be used for
Test and the research of different water depth Propagation Law of Mine Gas.
Utility model content
In order to solve the above technical problems, the purpose of this utility model is the sharp of blast off phenomenon Combined Loading in a kind of water of proposition
Wave duct experimental provision.
The utility model is to complete above-mentioned purpose to adopt the following technical scheme that：
The shock tube experiment device of blast off phenomenon Combined Loading in a kind of water, the experimental provision have to simulate examination
The water target pipe of part experimental situation, the water target pipe have the cylindrical tube that can bear internal pressure 20MPa, the water target pipe
Front end is the circular cone stage body of tapers forward diameter, and the center of circular cone stage body has to be inserted into the through-hole of piston rod；The water target
Pipe rear end has ring flange；The length of the water target pipe is not less than 10m；Aqueous medium is filled in the water target pipe；Described
There is inflating port, the inflating port is connect with external inflation equipment, to be added for aqueous medium in water target pipe on water target pipe
Pressure；It is hung in the water target pipe to the powder column for the environment that detonates in simulation water, one end of the powder column is stretched by detonating cord
It is discharged seam broken corresponding on target pipe；The rear end of the water target pipe is connect by ring flange with observation tube；The observation tube
For the cylindrical tube that internal pressure is 5MPa can be born；The both ends of the observation tube have ring flange；Test specimen peace to be tested
Between water target pipe rear end ring flange and observation tube front end flange disk；The port setting of ring flange described in observation tube rear end is useful
With by its closed port cover board；The front of the water target pipe is provided with to carry out the piston rod for being placed on water target pipe front end
The knocking gear of shock；The knocking gear have high pressure nitrogen holding vessel and solenoid valve, the high pressure nitrogen holding vessel and
The rear end of solenoid valve is equipped with trip rod, and in the transmitting exit of the trip rod is provided with to test trip rod fast in real time
The tachymeter of degree；The trip rod is solid steel pole, and bore is not more than 100mm, and stroke speed is not less than 100m/s；Described
When trip rod hits piston rod, initial impact loading effect is applied to aqueous medium in pipe；The experimental provision also includes height
The piezoelectric transducer of fast video camera and multiple a variety of ranges, multiple piezoelectric transducers be arranged in water target pipe, observation tube and
On the wall surface of test specimen；It is both provided with window on the tube body of water target pipe, the tube body of observation tube and port cover board；The high speed is taken the photograph
Shadow machine corresponds to window on tube body and port cover board and is arranged, and records underwater shock wave, gas bubble pulsation loads change in real time by window
Rule and test piece deformation crack conditions.
It is filled with aqueous medium in the observation tube, the blast off phenomenon in water under state is on two sides to simulate test specimen
Experiment.
On the tube body of the water target pipe also have water inlet, discharge outlet, inflating port, rise seam broken, thermometer and gauge port,
Piezoelectric transducer interface, pin interfaces.
Also there is water inlet, discharge outlet, gauge port, piezoelectric transducer interface, lead to connect on the tube body of the observation tube
Mouthful.
The utility model proposes a kind of shock tube experiment device for blast off phenomenon Combined Loading in water, use is above-mentioned
Technical solution can be used for carrying out different water depth, different equivalent water shooting shock waves, gas bubble pulsation loading propagation rule, with
And the Dynamic Fracture Properties test experiments research of naval vessels, hydro-structure material；The water target pipe of the utility model is that device is advocated
Body, knocking gear applies initial impact effect to aqueous medium in pipe, and by playing powder column in seam broken detonator, it is made to produce test specimen
Raw blast off phenomenon compound action reaches the dose that very little is used in pipe, so that it may be made with simulating the larger dose water shooting in field
Effect；Observation tube is mainly used to observe and record test piece deformation, Dynamic Fracture process, manages interior piezoelectric transducer and is used for testing water
Middle shock wave, gas bubble pulsation loading propagation rule；Meanwhile to simulate the effect of different water depth hydrostatic pressure, by filling before experiment
Gas port applies into water target pipe is no more than 20MPa air pressures, can simulate the acting by external hydrostatic pressure no more than 2000m depth.
Description of the drawings
Fig. 1 is utility model device structural profile illustration.
In figure：1, water target pipe；2, water inlet；3, piezoelectric transducer interface；4, window；5, powder column；6, seam broken is played；7, temperature
Meter and gauge port；8, inflating port；9, discharge outlet；10, pin interfaces；11, observation tube；12, gauge port；13, high pressure nitrogen
Holding vessel；14, solenoid valve；15, trip rod；16, tachymeter；17, piston rod；18, high pressure flange bolt；19, gasket；20、
Test specimen；21, port cover board.
Specific implementation mode
Understand for the ease of those of ordinary skill in the art and implement the utility model patent, below in conjunction with the accompanying drawings and specifically
Embodiment is described in further detail the utility model.
As shown in Figure 1, in a kind of water blast off phenomenon Combined Loading shock tube experiment device, the experimental provision has
To simulate the water target pipe 1 of test specimen experimental situation, the water target pipe 1 has the cylindrical tube that can bear internal pressure 20MPa,
The front end of the water target pipe 1 is the circular cone stage body of tapers forward diameter, and the center of circular cone stage body has to be inserted into piston rod 17
Through-hole；1 rear end of water target pipe has ring flange；The length of the water target pipe 1 is not less than 10m；It is filled out in the water target pipe 1
Filled with aqueous medium；There is inflating port 8 on the water target pipe 1, the inflating port 8 connect with external inflation equipment, to for
Aqueous medium pressurizes in water target pipe；It is hung in the water target pipe 1 to the powder column 5 for the environment that detonates in simulation water, it is described
One end of powder column 5 stretches out seam broken 6 corresponding on water target pipe 5 by detonating cord；The rear end of the water target pipe 5 passes through ring flange
It is connect with observation tube 11；The observation tube 11 is that can bear the cylindrical tube that internal pressure is 5MPa；There are two observation tubes
Effect, first, Protection chamber interior environment equipment, prevents the fragment that test specimen generates under blast off phenomenon from dispersing and cause to around
Equipment personnel destroy, second is that in observation tube can also water-filling, be in water under state blast off phenomenon examination to carry out test specimen two sides
It tests；The both ends of the observation tube 11 have ring flange；Test specimen 20 to be tested is mounted on water target pipe rear end ring flange and observation tube
Between front end flange disk；The port of ring flange described in observation tube rear end is provided with to by its closed port cover board 21；Setting
Port cap version has window that can observe and record test specimen breaking strain and feelings of dispersing from behind there are three acting on a cover board
Condition, third, must be sealed after water-filling, needs the port cap for adding a flanged disk second is that being Protection room surrounding devices safety
Plate could be realized；The front of the water target pipe 1 is provided with hits to what is hit to the piston rod for being placed on water target pipe front end
Hit mechanism；The knocking gear has high pressure nitrogen holding vessel 13 and solenoid valve 14, the high pressure nitrogen holding vessel 13 and electricity
The rear end of magnet valve 14 is equipped with trip rod 15, and is provided in the transmitting exit of the trip rod 15 to test trip rod reality
The tachymeter 16 of Shi Sudu；The trip rod 15 is solid steel pole, and bore is not more than 100mm, and stroke speed is not less than 100m/
s；When the trip rod 15 hits piston rod 17, initial impact loading effect is applied to aqueous medium in pipe；The experiment dress
Set also include high-speed motion picture camera and multiple a variety of ranges piezoelectric transducer, multiple piezoelectric transducers are arranged in water target
On the wall surface of pipe, observation tube and test specimen；It is both provided with window on the tube body of water target pipe 1, the tube body of observation tube and port cover board
4；The high-speed motion picture camera corresponds to window on tube body and port cover board and is arranged, and records underwater shock wave, gas in real time by window
Steep fluctuating load changing rule and test piece deformation crack conditions.
It is filled with aqueous medium in the observation tube, the blast off phenomenon in water under state is on two sides to simulate test specimen
Experiment.
On the tube body of the water target pipe also have water inlet, discharge outlet, inflating port, rise seam broken, thermometer and gauge port,
Piezoelectric transducer interface, pin interfaces.
Also there is water inlet, discharge outlet, gauge port, piezoelectric transducer interface, lead to connect on the tube body of the observation tube
Mouthful.
When the utility model is used, test specimen 20 and powder column 5 are installed first, back out high pressure between water target pipe 1 and observation tube 11
Round test specimen 20 is mounted between water target pipe 1 and observation tube 11 on ring flange, tightens bolt and fix test specimen by flange bolt 18
20, and powder column 5 is suspended in midair to given position in water target pipe 1 by playing seam broken 6；Secondly, water is noted by water inlet target pipe by water inlet 2
1, and according to different water depth pressure requirements, use charger（Such as air compressor machine）It pressurizes to aqueous medium in water target pipe 1, makes its pressure value
Reach the hydrostatic pressure of different water depth；Third, the shock wave requirement generated according to different blast charges, with high pressure nitrogen holding vessel
13, solenoid valve 14, tachymeter 16 control the shock piston rod 17 of launch rod 15 of friction speed, it is made to apply just aqueous medium in pipe
Beginning percussion, while powder column 5 in detonator achieve the purpose that generate blast off phenomenon compound action in water to test specimen 20.Whole
In a experimentation, the test equipment outside device passes through the piezoelectric transducer 3 on tube body, test specimen wall, high-speed photography
Window 4 records underwater shock wave, gas bubble pulsation loads change rule and test piece deformation crack conditions in real time.Using above-mentioned reality
Experiment device, can complete different water depth, different equivalent water shooting shock wave, gas bubble pulsation loading propagation rule and naval vessels,
The research work such as the Dynamic Fracture Properties test experiments of hydro-structure material.
Above example is only a kind of embodiment of the utility model.Its concrete structure and size can be according to actual needs
It is adjusted correspondingly.It should be pointed out that for those of ordinary skill in the art, not departing from the utility model structure
Under the premise of think of, various modifications and improvements can be made, these belong to the protection domain of the utility model patent.
Claims (4)
1. the shock tube experiment device of blast off phenomenon Combined Loading in a kind of water, it is characterised in that：The experimental provision has
To simulate the water target pipe of test specimen experimental situation, the water target pipe has the cylindrical tube that can bear internal pressure 20MPa, institute
The front end for stating water target pipe is the circular cone stage body of tapers forward diameter, and the center of circular cone stage body has to be inserted into the through-hole of piston rod；
The water target pipe rear end has ring flange；The length of the water target pipe is not less than 10m；It is situated between filled with water in the water target pipe
Matter；There is inflating port, the inflating port is connect with external inflation equipment, to be situated between for water in water target pipe on the water target pipe
Matter is pressurizeed；It is hung in the water target pipe to the powder column for the environment that detonates in simulation water, one end of the powder column passes through
Detonating cord stretches out seam broken corresponding on water target pipe；The rear end of the water target pipe is connect by ring flange with observation tube；It is described
Observation tube be can bear the cylindrical tube that internal pressure is 5MPa；The both ends of the observation tube have ring flange；It waits testing
Test specimen be mounted between water target pipe rear end ring flange and observation tube front end flange disk；The port of ring flange described in observation tube rear end
It is provided with to by its closed port cover board；The front of the water target pipe is provided with to the work to being placed on water target pipe front end
The knocking gear that stopper rod is hit；The knocking gear has high pressure nitrogen holding vessel and solenoid valve, the high pressure nitrogen
The rear end of holding vessel and solenoid valve is equipped with trip rod, and is provided with to test shock in the transmitting exit of the trip rod
The tachymeter of bar real-time speed；The trip rod is solid steel pole, and bore is not more than 100mm, and stroke speed is not less than 100m/
s；The experimental provision also includes the piezoelectric transducer of high-speed motion picture camera and multiple a variety of ranges, and multiple piezoelectricity pass
Sensor is arranged on the wall surface of water target pipe, observation tube and test specimen；On the tube body of water target pipe, the tube body of observation tube and port cover board
It is both provided with window；The high-speed motion picture camera corresponds to window on tube body and port cover board and is arranged.
2. the shock tube experiment device of blast off phenomenon Combined Loading in a kind of water as described in claim 1, it is characterised in that：Institute
Aqueous medium is filled in the observation tube stated.
3. the shock tube experiment device of blast off phenomenon Combined Loading in a kind of water as described in claim 1, it is characterised in that：Institute
Stating on the tube body of water target pipe also has water inlet, discharge outlet, inflating port, plays seam broken, thermometer and gauge port, piezoelectric transducer
Interface, pin interfaces.
4. the shock tube experiment device of blast off phenomenon Combined Loading in a kind of water as described in claim 1, it is characterised in that：Institute
Stating also has water inlet, discharge outlet, gauge port, piezoelectric transducer interface, pin interfaces on the tube body of observation tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820347081.6U CN207923624U (en) | 2018-03-14 | 2018-03-14 | The shock tube experiment device of blast off phenomenon Combined Loading in a kind of water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820347081.6U CN207923624U (en) | 2018-03-14 | 2018-03-14 | The shock tube experiment device of blast off phenomenon Combined Loading in a kind of water |
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| Publication Number | Publication Date |
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| CN207923624U true CN207923624U (en) | 2018-09-28 |
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| CN201820347081.6U Expired - Fee Related CN207923624U (en) | 2018-03-14 | 2018-03-14 | The shock tube experiment device of blast off phenomenon Combined Loading in a kind of water |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323917A (en) * | 2018-10-15 | 2019-02-12 | 西安交通大学 | The experimental system and method for simulated explosion shock wave and single fragmentation combined load |
-
2018
- 2018-03-14 CN CN201820347081.6U patent/CN207923624U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323917A (en) * | 2018-10-15 | 2019-02-12 | 西安交通大学 | The experimental system and method for simulated explosion shock wave and single fragmentation combined load |
| CN109323917B (en) * | 2018-10-15 | 2020-05-22 | 西安交通大学 | Experiment system and method for simulating explosive shock wave and single fragment composite load |
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Granted publication date: 20180928 |
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| CF01 | Termination of patent right due to non-payment of annual fee |