CN108801580A - A kind of ballistic range target chamber quick-opening device based on rupture disk mode - Google Patents
A kind of ballistic range target chamber quick-opening device based on rupture disk mode Download PDFInfo
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- CN108801580A CN108801580A CN201810928946.2A CN201810928946A CN108801580A CN 108801580 A CN108801580 A CN 108801580A CN 201810928946 A CN201810928946 A CN 201810928946A CN 108801580 A CN108801580 A CN 108801580A
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- target chamber
- rupture disk
- folder
- opening device
- connecting flange
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- 238000012360 testing method Methods 0.000 claims abstract description 52
- 230000009172 bursting Effects 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims description 38
- 238000007789 sealing Methods 0.000 claims description 15
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
- 229920001131 Pulp (paper) Polymers 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 6
- 239000002356 single layer Substances 0.000 claims description 6
- 239000010410 layer Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 229920000728 polyester Polymers 0.000 claims description 3
- 241000233855 Orchidaceae Species 0.000 description 23
- 238000002474 experimental method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000004880 explosion Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000005422 blasting Methods 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 241000538562 Banjos Species 0.000 description 1
- SGHZXLIDFTYFHQ-UHFFFAOYSA-L Brilliant Blue Chemical compound [Na+].[Na+].C=1C=C(C(=C2C=CC(C=C2)=[N+](CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C=2C(=CC=CC=2)S([O-])(=O)=O)C=CC=1N(CC)CC1=CC=CC(S([O-])(=O)=O)=C1 SGHZXLIDFTYFHQ-UHFFFAOYSA-L 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/02—Wind tunnels
- G01M9/04—Details
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to a kind of ballistic range target chamber quick-opening device based on rupture disk mode, including connecting flange, folder film device, rupture disk device, diaphragm and apparatus to cause bursting, the connecting flange is mounted on the end face of target chamber shrinkage cavity linkage section, and diaphragm after pressing from both sides film device pinch seal by being mounted between the outer end face and target chamber test section of connecting flange；The rupture disk device is fixed on folder film device upper end, and is in connecting flange side；The detonator signal input terminal of rupture disk device and the detonator signal output end of apparatus to cause bursting connect.So that diaphragm is broken under the ignition power of rupture disk device, then the airflow of moment between expansion arc and test section is recycled quickly to open diaphragm, therefore not will produce strong impact force, the accuracy for testing system will not be impacted.
Description
Technical field
The present invention relates to ballistic range target chambers to open technical field more particularly to a kind of ballistic range target based on rupture disk mode soon
Room quick-opening device.
Background technology
Ultrahigh speed ballistic range is hypersonic aerodynamics and reenters the important ground special type of atmospheric physics phenomenal research
Wind tunnel test equipment.The test principle of conventional wind-tunnel is：Test model is fixed, and experiment mould is blown in test air-flow acceleration
Type；The test principle of ballistic range is then opposite：It is static with test gas, test model is in target chamber with hypersonic free flight
To carry out aerodynamic testing.Generally constituting as shown in Fig. 5 for trajectory target system, is mainly visited by model transmitter 1, target chamber and model
Device 2 is surveyed to form.Wherein target chamber is mainly by groups such as target chamber expansion arc 3, target chamber shrinkage cavity linkage section 4, target chamber test section 5 and quick-opening devices
At.
The course of work of ballistic range is：Model transmitter 1 emits test model and bullet support component to target chamber expansion arc 3,
Test model and bullet support component realize in target chamber expansion arc 3 and detach, and then it is swollen by separator interception to stay in target chamber for bullet support component
Swollen section 3, test model, which passes through, is arranged the partition apparatus being quickly opened on target chamber shrinkage cavity linkage section 4, into target chamber test section 5
The test measurement of correlation properties is carried out, model is finally terminating in the blocker of 5 end of target chamber test section.The wherein partition
Device is the fast form of device of target chamber, and the main function of the target chamber quick-opening device is：It is effectively isolated before model transmitting swollen
Swollen section and test section make it maintain respective pressure state；Open that (general opening time is shorter than rapidly in the moment that model reaches
10ms), model is allowed smoothly to fly into test section.It is required that the valve opening moment of target chamber quick-opening device is accurate, if crossing party interference
The normal flight of model, it will cause interference in air flow experiments too early.
Currently, the quick-opening device of ballistic range target chamber mostly uses Quick plane plate gate valve, valve flashboard by explosion driving or
Person's drive of high-pressure gas.The Quick plane plate gate valve may be implemented the valve opening of Millisecond and close valve events, meet ballistic range target chamber
The functional requirement of expansion arc and the quick through and off of test section.But it has the following disadvantages：Impact vibration pair caused by valve switch
Test system has interference, and the special vibration insulating foundation of palpus Aided design and buffering fixing bracket, structure are realized more complicated；In addition,
The bore of currently used Millisecond Quick plane plate gate and valve is usually in 100mm hereinafter, cannot meet large scale model ballistic range
The requirement of experiment.
Therefore, for the above deficiency, it is desirable to provide a kind of quick-opening device of other forms makes it meet millisecond magnitude
On the basis of opening time requires, test suite will not be caused to impact, and sluice gate diameter meets the experiment of large scale ballistic range and wants
It asks.
Invention content
The technical problem to be solved in the present invention is, strong for existing target chamber quick-opening device valve switch impact vibration, shadow
The defect for ringing test systematic survey accuracy, provides a kind of ballistic range target chamber quick-opening device based on rupture disk mode.
In order to solve the above technical problem, the present invention provides a kind of ballistic range target chambers based on rupture disk mode to open dress soon
It sets, the target chamber quick-opening device is arranged between target chamber shrinkage cavity linkage section and target chamber test section, and the target chamber quick-opening device includes
Connecting flange, folder film device, rupture disk device, diaphragm and apparatus to cause bursting,
The connecting flange is mounted on the end face of target chamber shrinkage cavity linkage section, and diaphragm after pressing from both sides film device pinch seal by pacifying
Between the outer end face and target chamber test section of connecting flange；
The rupture disk device is fixed on folder film device upper end, and is in connecting flange side；The ignition of rupture disk device is believed
The detonator signal output end of number input terminal and apparatus to cause bursting connects.
In the ballistic range target chamber quick-opening device according to the present invention based on rupture disk mode, the folder film device packet
Blue No.1 folder embrane method, No. two folder embrane method orchids, No.1 gasket, No. two gaskets and connection bolt are included,
No.1 presss from both sides embrane method orchid and No. two folder embrane method orchids correspond to and are clamped in diaphragm both sides, and No.1 folder embrane method orchid and diaphragm
No.1 gasket is set between contact surface, and No. two folder embrane methods are blue to be arranged No. two gaskets between the contact surface of diaphragm；No.1 is pressed from both sides
Embrane method orchid and No. two folder embrane method orchids are clamped diaphragm by connecting bolt, and are fixedly mounted on the outer end face of connecting flange.
In the ballistic range target chamber quick-opening device according to the present invention based on rupture disk mode, the target chamber opens dress soon
It further includes sealing ring to set, and sealing ring is arranged in the ring-shaped groove of connecting flange outer end face, for realizing connecting flange and No. two
Press from both sides the sealing between embrane method orchid.
In the ballistic range target chamber quick-opening device according to the present invention based on rupture disk mode, the rupture disk device
Including detonator mounting base, electric cap and fixing bolt,
Detonator mounting base is fixedly connected on by fixing bolt on No. two folder embrane method orchids, and electric cap is mounted on detonator mounting base
In.
In the ballistic range target chamber quick-opening device according to the present invention based on rupture disk mode, the apparatus to cause bursting packet
Detonator lead, trigger and signal wire are included,
The signal input part of signal wire one end connection trigger, explosion of the other end for link model detector are believed
Number output end；The detonator signal output end of trigger is connected by the positive and negative anodes of detonator lead and electric cap.
In the ballistic range target chamber quick-opening device according to the present invention based on rupture disk mode, the diaphragm includes single
Layer or plural layers.
In the ballistic range target chamber quick-opening device according to the present invention based on rupture disk mode, the diaphragm includes poly-
Ester plastic foil or sulfuric acid paper membrane.
In the ballistic range target chamber quick-opening device according to the present invention based on rupture disk mode, the diaphragm includes single
The sulfuric acid paper membrane of layer 0.1mm thickness.
The ballistic range target chamber quick-opening device based on rupture disk mode for implementing the present invention, has the advantages that：This hair
Ballistic range target chamber expansion arc and experimental section are isolated by the way of rupture disk and are sealed to the bright quick-opening device, can ensure that two sections
Target chamber keeps respective test pressure state constant before the test；Moment before test model arrival, pass through detonator signal control
Bursting diaphragm processed realizes that the Millisecond of diaphragm is opened rapidly, model is made smoothly to fly into target chamber test section.The present invention is in bursting diaphragm
During, compared with the process of existing flat gate valve opening and closing, be first make under the ignition power of rupture disk device every
Film is broken, and then the airflow of moment between expansion arc and test section is recycled quickly to open diaphragm, therefore not will produce strong
Impact force will not impact the accuracy for testing system；Meanwhile the size of diaphragm can select and target chamber shrinkage cavity linkage section
Circular channel size be adapted, diameter is reachable >=300mm, can adequately meet the test requirements document of large scale ballistic range.
Description of the drawings
Fig. 1 is that the structure of the ballistic range target chamber quick-opening device based on rupture disk mode described in the specific embodiment of the invention is shown
It is intended to；
Fig. 2 is that label is the enlarged diagram at place in Fig. 1；
Fig. 3 is that label is the enlarged diagram at place in Fig. 1；
Fig. 4 is apparatus to cause bursting and ballistic range target chamber connection relationship diagram；
Fig. 5 is the overall structure diagram of ballistic range target chamber.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without making creative work, shall fall within the protection scope of the present invention.
Fig. 5 is combined first, and simple illustration is carried out to the structure of existing trajectory target system：Existing trajectory target system includes mould
The components such as type transmitter 1, model detector 2, target chamber expansion arc 3, target chamber shrinkage cavity linkage section 4 and target chamber test section 5.Wherein model
Transmitter 1 can be connected to inside target chamber expansion arc 3 by flange hole, the two concentrically axis；Model detector 2 can be in circle
The mode being arranged in pairs on week is mounted on along model flight axis on the outside of target chamber, be spaced between each model detector 2 it is certain away from
From；Target chamber shrinkage cavity linkage section 4 is the changeover portion for connecting target chamber expansion arc 3 and target chamber test section 5, of the present invention to open dress soon
It sets, the outlet side in changeover portion is set.
As shown in Figure 1, the ballistic range target chamber quick-opening device provided in an embodiment of the present invention based on rupture disk mode, the target
Room quick-opening device is arranged between target chamber shrinkage cavity linkage section 4 and target chamber test section 5, and the target chamber quick-opening device includes connecting flange
6, film device 7, rupture disk device 8, diaphragm 9 and apparatus to cause bursting are pressed from both sides, the connecting flange 6 is mounted on target chamber shrinkage cavity linkage section 4
On end face, diaphragm 9 after pressing from both sides 7 pinch seal of film device by being mounted between the outer end face and target chamber test section 5 of connecting flange 6；
The rupture disk device 8 is fixed on 7 upper end of folder film device, and is in 6 side of connecting flange；The detonator signal of rupture disk device 8 is defeated
The detonator signal output end for entering end and apparatus to cause bursting connects.
Quick-opening device described in present embodiment is simple in structure, at low cost, especially suitable for large-sized ballistic range target chamber.
Can be integrally welded between the connecting flange 6 and target chamber shrinkage cavity linkage section 4, connecting flange 6 is close to target chamber test section 5 one
Side.Experimental principle is：Before experiment, diaphragm 9 is by pressing from both sides the clamping of film device 7 and being mounted in 4 end face of target chamber shrinkage cavity linkage section
On connecting flange 6, target chamber expansion arc and target chamber test section 5 are sealed off, the selection of diaphragm 9 is required to bear between two sections
Environmental pressure it is poor.When experiment, sync control device can be coordinated to provide trigger signal, controlled blasting film device 8 by diaphragm 9 from
Then side explosion can quickly form powerful air-flow under the action of 9 both sides pressure differential environment of diaphragm, diaphragm 9 is torn rapidly
It opens, to quickly open 4 channel of target chamber shrinkage cavity linkage section.This diaphragm blasting method is small to the interference of testing equipment.It is described every
After explosion, target chamber expansion arc 3 no longer needs to be isolated film 9 with target chamber test section 5, and namely, quick-opening device is being realized quickly
It after opening function, does not turn off, this is because the flying speed of model is much larger than air velocity, therefore model in ballistic range experiment
No longer closing passage after flying over.
As an example, the folder film device 7 include 10, No. two folder embrane method orchids 14 of No.1 folder embrane method orchid, No.1 gasket 12,
No. two gaskets 13 and connection bolt 11, No.1 folder embrane method orchid 10 and No. two folder embrane method orchids 14 correspond to and are clamped in 9 both sides of diaphragm, and
And setting No.1 gasket 12 between No.1 folder embrane method orchid 10 and the contact surface of diaphragm 9, No. two folder embrane method orchids 14 connect with diaphragm 9
No. two gaskets 13 are set between contacting surface；No.1 presss from both sides embrane method orchid 10 and No. two folder embrane method orchids 14 by connecting bolt 11 by diaphragm 9
It clamps, and is fixedly mounted on the outer end face of connecting flange 6.
The connection bolt 11 may include several, to the folder for stablizing a pair of of folder embrane method orchid and two gaskets
It is next to be installed on the end face of connecting flange 6.Folder embrane method orchid can select the annulus part for adapting to 4 size of target chamber shrinkage cavity linkage section,
It is used in pairs in 9 both sides of diaphragm.Several threaded holes or through-hole can be processed on the end face of embrane method orchid by pressing from both sides, for connecting bolt 11
Installation and the installation of folder embrane method orchid and connecting flange 6 and target chamber test section 5.It is also required to open in advance on the end face of connecting flange 6
If threaded hole.
As an example, two gaskets can be the circular ring type rubber pad adaptable with embrane method orchid structure size is pressed from both sides, it is used for
Realize the blue sealing between diaphragm 9 of folder embrane method.
As an example, the target chamber quick-opening device further includes sealing ring 15, sealing ring 15 is arranged in 6 outer end face of connecting flange
Ring-shaped groove in, for realizing the sealings between connecting flange 6 and No. two folder embrane method orchids 14.
The sealing ring 15 can be O-ring seal, and O-ring seal can be the sealing ring of rubber material.
As an example, the rupture disk device 8 includes detonator mounting base 16, electric cap 17 and fixing bolt 18,
Detonator mounting base 16 is fixedly connected on connecting flange 6 by fixing bolt 18 and close to folder film device 7, electric cap
17 are mounted in detonator mounting base 16, and the position of electric cap 17 is adapted with the position of diaphragm 9.
Standardized product may be used in the electric cap 17；The detonator mounting base 16 can adapt to 17 structure ruler of electric cap
Very little metal parts has the interface for connect installation with folder film device 7, the corresponding installation of folder film device 7 in detonator mounting base 16
Position is located on No. two folder embrane method orchids 14.
As an example, the apparatus to cause bursting includes detonator lead 19, trigger 21 and signal wire 22, the signal wire 22 1
The signal input part of end connection trigger 21, the other end are used for the blast signal output end of link model detector 2；Trigger 21
Detonator signal output end connect with the positive and negative anodes of electric cap 17 by detonator lead 19.
In present embodiment, using model detector 2 as a kind of example of sync control device, when detecting institute in Fig. 4
After the flight initial signal of representation model 20, model detector 2 exports trigger signal of the blast signal as trigger 21, trigger
21 according to the time of ignition delays time to control electric cap ignition and detonation being previously set.The detonator lead 19 may be used commonly
Igniting copper core.
Starting soon for 4 Millisecond of ballistic range target chamber shrinkage cavity linkage section may be implemented in the mode of present embodiment bursting diaphragm 9
Make.
As an example, the diaphragm 9 includes single-layer or multi-layer film.
As an example, the diaphragm 9 includes polyester plastics film or sulfuric acid paper membrane.
The excircle configuration of the diaphragm 9 can be adapted with the structure size of 4 circular channel of target chamber shrinkage cavity linkage section.Diaphragm
The selection of 9 materials and thickness will be considered to ensure that it can bear the experiment pressure difference between adjacent two sections of target chamber.As an example, material
Single-layer septum 9 for polyester plastics film can be 0.05mm thickness, the results showed, which can bear target chamber expansion arc in experiment
Pre-designed pressure difference between 3 and target chamber test section 5.
The diaphragm 9 can also include the sulfuric acid paper membrane of single layer 0.1mm thickness.
The operating process of the quick-opening device is：
Electric cap 17 is mounted in detonator mounting base 16, and its positive and negative anodes and detonator lead 19 is connected by the first step,
Ensure that insulation is good；
Second step, according to the test pressure between pre-designed target chamber expansion arc 3 and target chamber test section 5, it is suitable to select
The polyester film of thickness is as diaphragm 9；It must ensure to press from both sides film banjo clip film and good seal；
Third walks, it is ensured that the good seal of sealing ring 15；
Target chamber expansion arc 3 and target chamber test section 5 are evacuated to scheduled test pressure by the 4th step, check and ensure every
Film 9 and sealing situation are intact；
5th step, test model 20 emit before, the ignition delay time of preset trigger 21, it is ensured that model detector 2 and
The connection of signal wire 22 is intact；
6th step, model 20 emit, and when flying to model 2 position of detector, send out trigger signal, by set delays time to control electricity
Detonator 17 is ignited, and the target chamber quick-opening device can realize about ten milliseconds or so rapid unlatchings, it is ensured that test model 20 is smoothly without dry
Fly over target chamber shrinkage cavity linkage section 4 with disturbing.
In conclusion quick-opening device of the present invention be suitable for ultrahigh speed ballistic range target chamber expansion arc and test section it
Between use.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (8)
1. a kind of ballistic range target chamber quick-opening device based on rupture disk mode, the target chamber quick-opening device setting connects in target chamber shrinkage cavity
It connects between section (4) and target chamber test section (5), it is characterised in that：The target chamber quick-opening device includes connecting flange (6), folder film dress
(7), rupture disk device (8), diaphragm (9) and apparatus to cause bursting are set,
The connecting flange (6) is mounted on the end face of target chamber shrinkage cavity linkage section (4), and diaphragm (9) is clamped by pressing from both sides film device (7)
After sealing between the outer end face and target chamber test section (5) of connecting flange (6)；
The rupture disk device (8) is fixed on folder film device (7) upper end, and is in connecting flange (6) side；Rupture disk device (8)
Detonator signal input terminal and apparatus to cause bursting detonator signal output end connect.
2. the ballistic range target chamber quick-opening device according to claim 1 based on rupture disk mode, it is characterised in that：The folder
Film device (7) includes No.1 folder embrane method blue (10), No. two folder embrane methods blue (14), No.1 gasket (12), No. two gaskets (13)
With connection bolt (11),
No.1 folder embrane method blue (10) and No. two folder embrane methods blue (14) correspond to and are clamped in diaphragm (9) both sides, and No.1 folder embrane method is blue
(10) No.1 gasket (12), the contact surface of No. two folder embrane methods blue (14) and diaphragm (9) are set between the contact surface of diaphragm (9)
Between be arranged No. two gaskets (13)；No.1 presss from both sides embrane method blue (10) and No. two folder embrane methods blue (14) will be every by connection bolt (11)
Film (9) clamps, and is fixedly mounted on the outer end face of connecting flange (6).
3. the ballistic range target chamber quick-opening device according to claim 2 based on rupture disk mode, it is characterised in that：The target
Room quick-opening device further includes sealing ring (15), and sealing ring (15) is arranged in the ring-shaped groove of connecting flange (6) outer end face, is used for
Realize the sealing between connecting flange (6) and No. two folder embrane methods blue (14).
4. the ballistic range target chamber quick-opening device according to claim 2 or 3 based on rupture disk mode, it is characterised in that：Institute
It includes detonator mounting base (16), electric cap (17) and fixing bolt (18) to state rupture disk device (8),
Detonator mounting base (16) is fixedly connected on by fixing bolt (18) on connecting flange (6), and electric cap (17) is mounted on thunder
In pipe mounting seat (16).
5. the ballistic range target chamber quick-opening device according to any one of claim 1 to 4 based on rupture disk mode, feature
It is：The apparatus to cause bursting includes detonator lead (19), trigger (21) and signal wire (22),
The signal input part of signal wire (22) one end connection trigger (21), the other end are used for link model detector (2)
Blast signal output end；The detonator signal output end of trigger (21) is positive and negative by detonator lead (19) and electric cap (17)
Pole connects.
6. the ballistic range target chamber quick-opening device according to claim 1 based on rupture disk mode, it is characterised in that：It is described every
Film (9) includes single-layer or multi-layer film.
7. the ballistic range target chamber quick-opening device according to claim 1 based on rupture disk mode, it is characterised in that：It is described every
Film (9) includes polyester plastics film or sulfuric acid paper membrane.
8. the ballistic range target chamber quick-opening device according to claim 1 based on rupture disk mode, it is characterised in that：It is described every
Film (9) includes the sulfuric acid paper membrane of single layer 0.1mm thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810928946.2A CN108801580B (en) | 2018-08-15 | 2018-08-15 | Quick-opening device of ballistic target chamber based on blasting film mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810928946.2A CN108801580B (en) | 2018-08-15 | 2018-08-15 | Quick-opening device of ballistic target chamber based on blasting film mode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108801580A true CN108801580A (en) | 2018-11-13 |
| CN108801580B CN108801580B (en) | 2024-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810928946.2A Active CN108801580B (en) | 2018-08-15 | 2018-08-15 | Quick-opening device of ballistic target chamber based on blasting film mode |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486191A (en) * | 2019-07-01 | 2019-11-22 | 中国人民解放军96901部队24分队 | A kind of large-sized solid rocket Structural Integrity of Propellant Grains test method and device |
| CN112179607A (en) * | 2020-09-30 | 2021-01-05 | 中国空气动力研究与发展中心超高速空气动力研究所 | Wind tunnel diaphragm clamping device |
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