CN108279114A - A kind of over entry experimental provision based on the transmitting of high pressure light-gas gun - Google Patents
A kind of over entry experimental provision based on the transmitting of high pressure light-gas gun Download PDFInfo
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- CN108279114A CN108279114A CN201810294761.0A CN201810294761A CN108279114A CN 108279114 A CN108279114 A CN 108279114A CN 201810294761 A CN201810294761 A CN 201810294761A CN 108279114 A CN108279114 A CN 108279114A
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- 239000000872 buffer Substances 0.000 claims abstract description 27
- 238000002474 experimental method Methods 0.000 claims abstract description 23
- 238000013016 damping Methods 0.000 claims abstract description 11
- 238000012546 transfer Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 17
- 230000007246 mechanism Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 239000003643 water by type Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 210000003934 vacuole Anatomy 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
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- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of over entry experimental provision based on the transmitting of high pressure light-gas gun, belongs into water supercavity experimental technique field.Bullet support and body are housed, buffer gear, gas chamber and launching tube are rigidly connected, and launching tube is provided with the through-hole of two circle air inlets in the part of embedded gas chamber, and the lower part of launching tube is equipped with the through-hole of two circle exhausts, and end is equipped with gun muzzle buffer in the launching tube of the experimental provision.Connecting tube one end connects air accumulator, and the other end connects gas chamber, and pressure sensor is equipped in connecting tube.Flow control is carried out by flowing into launching tube to high pressure gas, body is realized and stablizes safety high speed transmitting, light-gas gun outlet discharge high pressure gas can be effectively prevent, the water supercavity experiment that enters of calm water surface is interfered；It avoids bullet support from entering experiment waters, experiment is interfered；Buffer gear and damping can weaken the vibration generated in body emission process, avoid experiment mechanism and are damaged；With higher reliability, operability and safety.
Description
Technical field
The present invention relates to a kind of over entry experimental provisions based on the transmitting of high pressure light-gas gun, belong to and are tested into water supercavity
Technical field.
Background technology
Light-gas gun is a kind of high voltage power device of good performance, can emit the body of different shape, material, Ke Yiman
The requirement of sufficient high velocity experiments, thus there is critical role in entering the experiment of water supercavity.
Body with distinctive appearance can cause the rapid of body surface attachment fluid field pressure after transmitted at high speed enters water
It reduces, the water of surface attachment can vaporize, and form vacuole and form the vacuole of fully wrapped around body when firing rate is sufficiently large, we claim
Be supercavity.Light-gas gun device is commonly applied in high speed, ultra-high rates of fire experiment.
Light-gas gun device is using high pressure gas as power, and by a series of gas conduit, high pressure gas is passed through hair
It penetrates in pipe, the body of different shape, material can be emitted, make body transmitted at high speed, the requirement of high velocity experiments can be met.
Body mostly is accelerated to emit by traditional multi-channel type emission system by disposably injecting high pressure gas, due to its note
It is not easy to control to enter high-pressure gas flow, and relative to body high-pressure gas flow there is inhomogeneities can be generated to body and do
It disturbs, causes body in the influence of launching tube internal vibration, after body accelerates transmitting, high pressure gas also can be via transmitting outlet row
Go out, the speed of high pressure gas is likely to be higher than the body after accelerating, and due to the expansion in exit, high pressure gas can be in
Radial reach makes to include that the water surface of the larger area in Pellet water entry region generates fluctuation into the water area water surface, carry out it is tranquil
The water surface adversely affects when entering the experiment of water supercavity.The size of general experiment body is to be not suitable for directly sending out in transmitting tube
It penetrates, therefore uses the bullet support to match with transmitting tube more, the separation problem of body and bullet support can also interfere experiment.
Invention content
The present invention is in order to solve the over entry experiment of high pressure light-gas gun transmitting, when to launching tube injection high pressure gas
When, gas flow is not easy to control, and the inhomogeneities influenced on body can cause body that can vibrate, and experimental facilities is caused to stablize
Property and damage the problem of；Exit high pressure gas is possible to impact to entering water Free Surface simultaneously, is made to experimental result
The problem of at interference；Body when body projects and separation of the projectile seat problem.
The technical solution adopted by the present invention is：A kind of over entry experimental provision based on the transmitting of high pressure light-gas gun, it is wrapped
Include air accumulator, connecting tube and the emitter supported by supporting rack, the connecting tube using No.1 connecting tube, No. two connecting tubes,
Elbow, No. three connecting tubes, No. four connecting tubes, pneumatic flanged ball valve, transfer tube and soft connecting tube are sequentially connected, the transmitting dress
It sets including gas chamber, buffer gear, damping, launching tube and gun muzzle buffer, support frame as described above is fixed on experiment by crossbeam
On platform, the damping being fixedly connected with launching tube is arranged on the truss-like bearing of supporting rack；It is equipped in the launching tube
Bullet support and body, buffer gear, gas chamber and launching tube are rigidly connected, and launching tube is provided with two circle air inlets in the part of embedded gas chamber
Through-hole, the lower part of launching tube are equipped with the through-hole of two circle exhausts, and end is equipped with gun muzzle buffer；The No.1 of described connecting tube one end connects
The soft connecting tube of take over connection air accumulator, the other end connects gas chamber, and pressure sensor is equipped in No. four connecting tubes；Carry out
When experiment, it is first turned on pneumatic flanged ball valve, the high pressure gas in air accumulator partly enters in buffer gear and formed into air inlet chamber
Low-pressure gas, push the body downlink in bullet support gradually to open the through-holes of two circle air inlets, the high pressure gas in gas chamber enters hair
Shooting cylinder, high speed push bullet support and body downlink, when opening the through-hole exhaust of two circle exhausts, gun muzzle buffer of launching tube end
Bullet support gear in launching tube, only body is launched.
The quantity of the through-hole is 12, and point two layers of annular is distributed on the barrel of launching tube insertion plenum section；Through-hole
Area summation be more than launching tube cross-sectional area.
The outlet end of the launching tube equally point two layers of annular is evenly equipped with 12 through-holes, and the area summation of through-hole is more than transmitting
The cross-sectional area of cylinder.
The present invention has the following advantages as follows：
One, flow control is carried out by flowing into launching tube to high pressure gas, realizes the process that body stablizes safety high speed transmitting,
It avoids body and generates the influences such as vibration in launching tube；
Two, the mode that high pressure gas is discharged in advance is used, light-gas gun outlet discharge high pressure gas can be effectively prevent, to wanting
The water supercavity experiment that enters of calm water surface is asked to interfere；
Three, launching tube end can in time open body and separation of the projectile seat equipped with gun muzzle buffer, and bullet support is avoided to enter experiment water
Domain interferes experiment；
Four, it is provided with buffer gear and damping, the vibration generated in body emission process can be weakened, avoid experimental machine
Structure is damaged；
Five, trigger mechanism and gas delivery mechanisms are connected using soft connecting tube, in case the vibration effect of trigger mechanism is to gas
Transmission mechanism, to be damaged to the latter；
Six, switch of the pneumatic flanged ball valve as control high pressure gas break-make is used, there is higher reliability, operable
Property, safety.
Description of the drawings
Fig. 1 is a kind of structure chart of the over entry experimental provision emitted based on high pressure light-gas gun.
Fig. 2 is the A enlarged drawings in Fig. 1.
Fig. 3 is the schematic diagram of body motion process in transmitting tube.
Fig. 4 is that low-pressure gas pushes body movement schematic diagram.
Fig. 5 is the schematic diagram that body emission process mesohigh gas flows into launching tube.
Fig. 6 is body and when bullet support moves to light-gas gun transmitting tube outlet end, the schematic diagram of high pressure gas discharge.
In figure：1, air accumulator, 2, No.1 connecting tube, 3, No. two connecting tubes, 4, elbow, 5, No. four connecting tubes, 5a, pressure pass
Sensor, 6, No. three connecting tubes, 7, pneumatic flanged ball valve, 8, transfer tube, 9, soft connecting tube, 10, gas chamber, 11, buffer gear,
12, through-hole, 13, damping, 14, launching tube, 15, supporting rack, 16, body, 17, through-hole, 18, gun muzzle buffer, 19, horizontal
Beam, 20, bullet support.
Specific implementation mode
Fig. 1,2 show a kind of structure chart of the over entry experimental provision emitted based on high pressure light-gas gun.It is this in figure
Over entry experimental provision based on the transmitting of high pressure light-gas gun includes air accumulator 1, connecting tube and the transmitting supported by supporting rack 15
Device.Connecting tube is using 2, No. two connecting tubes 3 of No.1 connecting tube, elbow 4, three connecting tube 6, four connecting tube 5, pneumatic flange
Ball valve 7, transfer tube 8 and soft connecting tube 9 are sequentially connected.Emitter include gas chamber 10, buffer gear 11, damping 13,
Launching tube 14 and gun muzzle buffer 18.Supporting rack 15 is fixed on by crossbeam 19 on experiment porch, is fixedly connected with launching tube 14
Damping 13 be arranged on the truss-like bearing of supporting rack 15.Bullet support 20 and body 16, buffer are housed in launching tube 14
Structure 11, gas chamber 10 and launching tube 14 are rigidly connected, and launching tube 14 is provided with the through-hole 12 of two circle air inlets in the part of embedded gas chamber 10,
The lower part of launching tube 14 is equipped with the through-hole 17 of two circle exhausts, and end is equipped with gun muzzle buffer 18.The No.1 of connecting tube one end connects
Pipe 2 connects air accumulator 1, and the soft connecting tube 9 of the other end connects gas chamber 10, pressure sensor 5a is equipped in No. four connecting tubes 5.
When being tested, it is first turned on pneumatic flanged ball valve 7, the high pressure gas in air accumulator 1 partly enters buffering into air inlet chamber 10
The low-pressure gas formed in mechanism 11 pushes 16 downlink of body in bullet support 20 gradually to open the through-hole 12 of two circle air inlets, gas chamber
High pressure gas in 10 enters launching tube 14, and high speed pushes bullet support 20 and 16 downlink of body, when the through-hole 17 for opening two circle exhausts
When exhaust, gun muzzle buffer 18 of 14 end of launching tube keeps off bullet support 20 in launching tube 14, and only body 16 is launched.
Experiment is passed through compressed air into air accumulator 1 before starting, and pneumatic flanged ball valve 7 is closed at this time, can pass through installation
Pressure sensor 5a in trepanning connecting tube obtains atmospheric pressure value feedback.Opening pneumatic flanged ball valve 7 can be to launching tube 14
High pressure gas is provided.
Fig. 3,4,5,6 show whole experiment process, and can be passed through low-pressure gas in launching tube 14 first makes 16 He of body
Bullet support 20 moves（As shown in Figure 4）.When body 16 and bullet support 20 move to through-hole 12（As shown in Figure 5）, high pressure gas is therewith
Into promotion body 16 and bullet support 20 accelerate.It, can be to testing mechanism when high pressure gas pushes body 16 and bullet support 20
A reaction force is generated, therefore has used buffer gear 11, a part of recoil can be offset, in case experiment mechanism shakes
Larger vibration.Damping 13 has been used simultaneously, has further weakened whole vibration.With body 16 and bullet support 20 into one
Step accelerates, and the through-hole that launching tube 14 is connect with gas chamber 6 opens quantity and increases, and the flow channel of gas is more, high pressure gas
It travels further into launching tube 14,20 high-speed motion of body 16 and bullet support；When body 16 and bullet support 20 move to the of through-hole 17
When one circle stomata（As shown in Figure 6）, due to being normal pressure state outside pipe, high pressure gas will be discharged from stomata, 16 He of body
When bullet support 20 moves further into the second circle stomata, the flow channel of gas is more, and remaining high pressure gas almost can be complete
Discharge, there are one gun muzzle buffers 18 for the fixation of 14 outlet end of transmitting tube, can detach bullet support 20 and body 16, the two moves to
When the position, bullet support 20 stays in transmitting tube, 16 transmitted at high speed of body.
The needs of through-hole 12 of rectangle are uniformly distributed, and avoid the light-gas gun launching tube 14 caused by both sides gas flow is inconsistent
Vibration, 12 quantity of through-hole are 12, and the gross area of through-hole 12 is more than the cross-sectional area of launching tube 14.Through-hole 17 needs uniformly to divide
Cloth, purpose are that high pressure gas is discharged in advance, avoid high pressure gas impact sleep from impacting experimental result, 17 quantity of through-hole
It it is 12, the gross area of through-hole 17 is more than the cross-sectional area of launching tube 17.
Lower two rubber seal are installed in bullet support 20, and choose suitably sized, can obtain good sealing
Effect, and body 16 and bullet support 20 can be made to be maintained at initial position by stiction.
Buffer gear 11 can play the role of offsetting recoil when light-gas gun transmitting, and anti-locking apparatus generates big shake
Dynamic, damping 13 can further weaken the vibration of structure, prevent structure from being destroyed.
Claims (3)
1. a kind of over entry experimental provision based on the transmitting of high pressure light-gas gun, it includes air accumulator（1）, connecting tube and by supporting
Frame（15）The emitter of support, the connecting tube use No.1 connecting tube（2）, No. two connecting tubes（3）, elbow（4）, No. three companies
It takes over（6）, No. four connecting tubes（5）, pneumatic flanged ball valve（7）, transfer tube（8）With soft connecting tube（9）It is sequentially connected, feature
It is：The emitter includes gas chamber（10）, buffer gear（11）, damping（13）, launching tube（14）With gun muzzle buffer
（18）, support frame as described above（15）Pass through crossbeam（19）It is fixed on experiment porch, with launching tube（14）The damping machine being fixedly connected
Structure（13）It is arranged in supporting rack（15）Truss-like bearing on；The launching tube（14）It is interior that bullet support is housed（20）And body（16）,
Buffer gear（11）, gas chamber（10）With launching tube（14）Rigid connection, launching tube（14）In embedded gas chamber（10）Part be provided with
The through-hole of two circle air inlets（12）, launching tube（14）Lower part be equipped with two circle exhaust through-holes（17）, end is equipped with gun muzzle buffer
（18）；The No.1 connecting tube of described connecting tube one end（2）Connect air accumulator（1）, the soft connecting tube of the other end（9）Connect gas chamber
（10）, in No. four connecting tubes（5）It is equipped with pressure sensor（5a）；When being tested, it is first turned on pneumatic flanged ball valve
（7）, air accumulator（1）In high pressure gas into air inlet chamber（10）, partly enter buffer gear（11）The low-pressure gas of middle formation, pushes away
It moves support（20）In body（16）Downlink gradually opens the through-hole of two circle air inlets（12）, gas chamber（10）In high pressure gas enter
Launching tube（14）, high speed promotion bullet support（20）And body（16）Downlink, when the through-hole for opening two circle exhausts（17）When exhaust, transmitting
Cylinder（14）Gun muzzle buffer of end（18）Bullet support（20）Gear is in launching tube（14）It is interior, only body（16）Launch.
2. a kind of over entry experimental provision based on the transmitting of high pressure light-gas gun according to claim 1, it is characterized in that：Institute
State through-hole（12）Quantity be 12, point two layers of annular is distributed in launching tube（14）Embedded gas chamber（10）On partial barrel；It is logical
Hole（12）Area summation be more than launching tube（14）Cross-sectional area.
3. a kind of over entry experimental provision based on the transmitting of high pressure light-gas gun according to claim 1, it is characterized in that：Institute
State through-hole（17）Quantity be 12, point two layers of annular is distributed on the barrel of launching tube end；Through-hole（17）Area summation
More than launching tube（14）Cross-sectional area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810294761.0A CN108279114B (en) | 2018-04-04 | 2018-04-04 | Vertical water inlet experimental device based on high-pressure light air cannon emission |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810294761.0A CN108279114B (en) | 2018-04-04 | 2018-04-04 | Vertical water inlet experimental device based on high-pressure light air cannon emission |
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| CN108279114A true CN108279114A (en) | 2018-07-13 |
| CN108279114B CN108279114B (en) | 2023-12-19 |
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| CN201810294761.0A Active CN108279114B (en) | 2018-04-04 | 2018-04-04 | Vertical water inlet experimental device based on high-pressure light air cannon emission |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596313A (en) * | 2019-01-11 | 2019-04-09 | 哈尔滨工程大学 | A kind of active aeration type underwater sailing body experimental rig |
| CN111028649A (en) * | 2019-12-27 | 2020-04-17 | 哈尔滨工程大学 | Head is given vent to anger and is moved experimental model at high speed under water |
| CN111413066A (en) * | 2020-04-09 | 2020-07-14 | 西北工业大学 | Load-reducing model experiment launching device |
| CN112710192A (en) * | 2020-12-31 | 2021-04-27 | 北京博联马赫科技有限公司 | Novel high-pressure releasing device for gas gun launching |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109596313A (en) * | 2019-01-11 | 2019-04-09 | 哈尔滨工程大学 | A kind of active aeration type underwater sailing body experimental rig |
| CN109596313B (en) * | 2019-01-11 | 2024-05-10 | 哈尔滨工程大学 | Active ventilation type underwater vehicle test device |
| CN111028649A (en) * | 2019-12-27 | 2020-04-17 | 哈尔滨工程大学 | Head is given vent to anger and is moved experimental model at high speed under water |
| CN111413066A (en) * | 2020-04-09 | 2020-07-14 | 西北工业大学 | Load-reducing model experiment launching device |
| CN112710192A (en) * | 2020-12-31 | 2021-04-27 | 北京博联马赫科技有限公司 | Novel high-pressure releasing device for gas gun launching |
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