CN109916246A - Model test device for researching explosion energy-gathering cutting and destroying underwater unexploded bomb - Google Patents
Model test device for researching explosion energy-gathering cutting and destroying underwater unexploded bomb Download PDFInfo
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- CN109916246A CN109916246A CN201910248503.3A CN201910248503A CN109916246A CN 109916246 A CN109916246 A CN 109916246A CN 201910248503 A CN201910248503 A CN 201910248503A CN 109916246 A CN109916246 A CN 109916246A
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- model test
- underwater
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- substrate tablet
- soft metal
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- 238000004880 explosion Methods 0.000 title claims abstract description 33
- 238000012360 testing method Methods 0.000 title claims abstract description 23
- 238000005520 cutting process Methods 0.000 title abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000002360 explosive Substances 0.000 claims abstract description 11
- 238000005474 detonation Methods 0.000 claims abstract description 10
- 238000004088 simulation Methods 0.000 claims abstract description 9
- 229910052751 metal Inorganic materials 0.000 claims description 38
- 239000002184 metal Substances 0.000 claims description 38
- 239000000758 substrate Substances 0.000 claims description 24
- 238000010304 firing Methods 0.000 claims description 23
- 230000001186 cumulative effect Effects 0.000 claims description 15
- 238000005422 blasting Methods 0.000 claims description 14
- 238000011160 research Methods 0.000 claims description 13
- 239000012528 membrane Substances 0.000 claims description 9
- 239000000178 monomer Substances 0.000 claims description 7
- 239000002775 capsule Substances 0.000 claims description 6
- 239000012858 resilient material Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 239000011257 shell material Substances 0.000 description 18
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 239000002609 medium Substances 0.000 description 4
- 238000004078 waterproofing Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
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- 238000000034 method Methods 0.000 description 3
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- 239000010959 steel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
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- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000002140 antimony alloy Substances 0.000 description 1
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- 230000004323 axial length Effects 0.000 description 1
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- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
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- Pressure Welding/Diffusion-Bonding (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a model test device for researching explosive energy-gathering cutting and destroying underwater unexploded bombs, which comprises an explosive water tank, wherein a bracket is arranged in the explosive water tank, a simulation bomb body is hung on the bracket, a pressure sensor is arranged around the simulation bomb body, a cutting device is arranged on the simulation bomb body, an observation window is arranged on the explosive water tank, and a high-speed photographic device is arranged outside the observation window; the cutting device cuts the projectile body, the projectile body is detonated, and the pressure sensor and the high-speed photographic device collect explosion signals. The model test device for researching explosive energy-gathering cutting and destroying the underwater unexploded bomb can accurately simulate the state of the underwater unexploded bomb and the problems in destroying, so that experimental data are closer to real data, and accurate and safe detonation and synchronous acquisition and transmission of models of the explosive device in the underwater test are realized.
Description
Technical field
The present invention relates to the model test apparatus that research explosion cumulative blasting destroys underwater unexploded, belong to explosion field.
Background technique
No matter wartime or usually, no matter train, fight, manoeuvre or the development test of new equipment, can all exist underwater
Unexploded ordnance.The not quick-fried reason of ammunition is mainly with the presence of following: first is that the immature of production technology causes it certain blind
Fiery rate causes fuse that could not act second is that design defect causes ammunition that preparatory effect is not achieved third is that target setting is unreasonable,
Fourth is that operation error leads to fuse loading error or shooting parameter mistake.The people's lives and property band is given in the appearance of unexploded
Carry out huge security threat, causes to hinder to the motor-driven execution with task of army.For underwater unexploded ordnance, because it is found that
The features such as difficulty is high, and local environment is complicated, and explosive payload is big, and body situation is unknown causes destruction difficulty especially big.Due to place
And environmental restrictions, it is difficult to be destroyed and be studied under water by prototype ammunition, conventional model and research method are also difficult to really disclose
Its underwater destruction mechanism.Research explosion cumulative blasting destroys the model test apparatus and practical underwater ammunition ring of underwater unexploded
Border is similar, so as to simulate complicated underwater ammunition disposal problem.
Since place is limited and underwater explosion is much larger than in air the energy that medium transmits, while explosion wave is quick-fried
The back wave that fried water tank boundary generates may interfere with the acquisition of free field shock wave data, therefore the design of powder charge detonation by influence experiment
Destructor need to be reasonably selected and fully consider the ability to bear of explosion water tank, and need to be reasonable according to explosion member and dielectric property
Lay sensor.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of for studying explosion cumulative
The model test apparatus of underwater unexploded is destroyed in cutting, can accurately simulate underwater unexploded ordnance status and destruction
Problems faced so that experimental data is closer in true data, and realize destructor test under water in accurate peace
Full detonation and synchronous acquisition and the transmission of model.
Technical solution: in order to solve the above technical problems, research explosion cumulative blasting of the invention destroys underwater unexploded
Model test apparatus, including explosion water tank, are equipped with bracket in explosion water tank, simulant missile are hung on bracket,
Pressure sensor is installed around simulation monomer, cutter device is installed on simulation monomer, is equipped with observation on explosion water tank
Window, watch window are externally provided with high-speed photography device；Cutter device cuts body, ignites body, and pressure sensor and high speed are taken the photograph
Image device acquires detonator signal.
Preferably, the simulation monomer includes hollow cylinder shell, screw rod, fixed plate and closure member, the hollow cylinder
Shell both ends are separately installed with fixed plate, and two fixed plates are connected by screw rod, correspond to cut place in hollow cylinder shell inner wall and install
There is miniature explosive, hollow cylinder shell both ends pass through closure seals.
Preferably, the cutter device includes outer sleeve, inner sleeve and capsule, the inner sleeve is mounted on outer sleeve
It is interior, soft metal buffer substrate tablet is fixedly installed in inner sleeve, buffer substrate tablet has been embedded in rigid metal frame, rigidity gold in soft metal
Belong to frame to connect by connecting rod with firing pin, horizontal on outer sleeve to be inserted with safety plug, safety plug passes through firing pin, is cased on firing pin
Striker spring, capsule are connect with outer sleeve by screw thread, rubber ring are equipped in outer sleeve, is equipped on rubber ring anti-
Moisture film is placed with igniter cap below waterproof membrane；When needing to ignite ignition charge, safety plug, effect of the firing pin in striker spring are extracted
Under, it is dynamic that firing pin drives rigid metal to frame shift, and rigid metal frame cutting soft metal buffer substrate tablet is hit after having cut soft metal buffer substrate tablet
Needle penetrates waterproof membrane, completes detonation.
Preferably, the inner sleeve is welded in outer sleeve.
Preferably, the soft metal buffer substrate tablet is welded on inner sleeve.
Preferably, the soft metal buffer substrate tablet is fixedly connected with mounting plate, mounting plate is equipped with through-hole, the through-hole of mounting plate
Interior insertion bolt, bolt are mounted on inner sleeve.
Preferably, the mounting plate is resilient material, mounting plate is equipped with through slot, and soft metal buffer substrate tablet is stuck in through slot
It is interior, it is respectively equipped with pressure hole in the two sides of mounting plate through-hole, is equipped with bolt in pressure hole, it will by clamping screw and locking nut
Soft metal buffer substrate tablet is stuck in through slot.
Preferably, the safety plug is connect by rubber ring with outer sleeve.
The utility model has the advantages that research explosion cumulative blasting of the invention destroys the model test apparatus of underwater unexploded, it is able to satisfy
The environment and manually destroy the problem faced that underwater unexploded ordnance is faced, experimental result is closer to true effect；This experiment dress
Destructor in setting uses small flexible jet cutter and miniature electric cap, and is closely connected by screw thread, waterproofness
Good, various aspects of performance is better than conventional primacord；Cutter carries out water-proofing treatment, guarantees that jet stream is not influenced by water；Consider in water
The increase of blast pressure and the influence of detonator fragmentation, data receiver analytical unit carry out reliable protection, ensure that the intact of instrument
Property, the sensor of simultaneous selection has the characteristics that big range, high sensitivity, performance are stable, guarantees that data-signal is reliable in experiment
Synchronous acquisition and transmission；Cutter device of the invention is a firing lock in the apparatus main body part, is buffered by soft metal
Piece controls the time, and striker spring provides power to firing pin, and firing pin, which is freed, after reaching specified time fires forward, in addition to this, also
There is one of secondary fuse, there is a safety plug to be fixed in firing pin and inner sleeve, after only pulling out safety plug, striker spring
Can just work and safety plug hole portion have rubber washer carry out fastening and waterproof, guarantee device inside do not intake, matching used thunder
Pipe is under fire by firing pin percussion cap, the waterproof plug that the detonator mouth before igniter cap is made of a rubber ring and plastic sheet, effectively
It prevents detonator from intaking, by being threadedly coupled between detonator and firing lock, reaches good waterproof effect, invention achieves very
Good waterproof effect, the percussion time is controllable, and Fire Reliability is high, easy to operate, easy to carry.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram that monomer is simulated in Fig. 1.
Fig. 3 is the structural schematic diagram of cutter device of the invention.
Fig. 4 is the structural schematic diagram of inner sleeve.
Fig. 5 is the structural schematic diagram of mounting plate.
Specific embodiment
The present invention will be further explained with reference to the accompanying drawing.
As shown in Figures 1 to 5, a kind of model examination for destroying underwater unexploded for studying explosion cumulative blasting of the invention
Experiment device, including explosion water tank 14, simulant missile 18, data collection and analysis unit and synchronous control unit, the explosion water
There are transparency window in 14 4 sides of case, and explode 14 specification 2m × 2m of water tank × 2m, and resists miniature charging explosion, in explosion water tank
Bracket 15 is installed, simulant missile 18 is hung on bracket 15, explosion water tank 14 is provided with test(ing) medium, in test(ing) medium
In be put into the pressure sensor 19 of simulant missile 18, cutter device and sensed pressure variation, while having a high-speed photography outside transparency window
Device 17, data receipt unit is connect with data transmission unit, and data transmission unit is connect with data receiver analytical unit；It cuts
The detonation of device 16 is cut with after the effect of simulant missile 18, sensor acquisition signal is transmitted to data receiver analytical unit.
In the present invention, the data receipt unit includes pressure sensor 19 and high-speed photography device 17, the pressure
Sensor 19 is placed in test medium, is in same plane with simulant missile 18, the high-speed photography device 17 is arranged transparent
Outside window.
In the present invention, the simulant missile 18 is made of hollow cylinder shell, screw rod, fixed plate, closure member, the sky
Heart cylindrical shell simulates 18 shell of body of unexploded ordnance, and inner wall, which corresponds to the miniature explosive of patch, the closure member at cutter, to be had
Gelatin foil and two kinds of iron sheet, need to select to use according to specific experiments, closure member is fixed on open circles by screw rod by fixed plate
Column shell both ends, and junction carries out water-proofing treatment with glass cement.
In the present invention, cutter device includes outer sleeve 2, inner sleeve 8 and capsule 5, and the inner sleeve 8 is mounted on outer
In sleeve 2, soft metal buffer substrate tablet 1 is fixedly installed in inner sleeve 8, buffer substrate tablet 1 has been embedded in rigid metal frame in soft metal
9, rigid metal frame 9 is connect by connecting rod 3 with firing pin 6, and horizontal on outer sleeve 2 to be inserted with safety plug 7, the safety plug 7 passes through
Rubber ring 4 is connect with outer sleeve 2, and safety plug 7 passes through firing pin 6, is cased with striker spring on firing pin 6, capsule 5 by screw thread with
Outer sleeve 2 connects, and rubber ring 4 is equipped in outer sleeve 2, is equipped with waterproof membrane 11 on rubber ring 4, under waterproof membrane 11
Side is placed with igniter cap；When needing to ignite ignition charge, safety plug 7 is extracted, under the action of striker spring, firing pin 6 drives firing pin 6
Rigid metal frame 9 is mobile, and rigid metal frame 9 cuts soft metal buffer substrate tablet 1, and after having cut soft metal buffer substrate tablet 1, firing pin 6 is penetrated
Waterproof membrane 11 completes detonation.
In the present invention, the inner sleeve 8 is welded in outer sleeve 2, and the soft metal buffer substrate tablet 1 is welded on inner sleeve 8
On.As shown in Fig. 2, the soft metal buffer substrate tablet 1 is fixedly connected with mounting plate 12, mounting plate 12 is equipped with through-hole, mounting plate 12
Bolt is inserted into through-hole, bolt is mounted on inner sleeve 8.The mounting plate 12 is resilient material, and mounting plate 12 is equipped with logical
Slot, soft metal buffer substrate tablet 1 are stuck in through slot, are respectively equipped with pressure hole 13 in the two sides of 12 through-hole of mounting plate, are equipped in pressure hole 13
Soft metal buffer substrate tablet 1 is stuck in through slot by bolt by clamping screw and locking nut.
In the present invention, for whole device:
A. destructor selects: flexible cutter long 15cm, effective cutting length 13cm.Cutter shell is lead antimony
Alloy, powder charge 8701, line density 4g/m；Miniature electric cap uses one end detonation mode, to guarantee that the detonation of cutter can
It leans on, a thread socket is preset in cutter end, and so that it is combined closely with electric cap by aluminum coupling element, completely cuts off aqueous medium
Influence；Cutter prolongs circumferential cross-section in the middle part of cylindrical shell and lays before testing, and cutter shell makees water-proofing treatment, entirety in advance
It is fixed in disposable height of burst tool, height of burst tool is flexible foam material.By being applied in height of burst tool with cylindrical shell contact site
It smears waterproof material and the height of burst has external water-proofing treatment and can realize that the initial of cutter cavity liner faces empty condition.
B. simulant missile: main part uses hollow cylinder shell material for 45# steel, and outer diameter and column shell axial length are
20cm, thickness of shell are divided into 1mm and two kinds of 2mm.Fixed plate be having a size of 30cm × 30cm × 1cm hollow out metal plate, it is hollow
Cylindrical shell is fastened by bolts structure setting between the fixing plates, to guarantee the airtightness of device entirety and being convenient for high-speed photography
Observation, by being sealed with a thickness of the transparent membrane of 0.5mm between fixed plate and cylindrical shell, and smears waterproof material in advance
Guarantee its waterproofness.
C. explode water tank: being each provided with an area having a size of 2.2m × 2.2m × 2.2m explosion water tank surrounding middle position and is
The observation window of 40cm × 40cm is used to shoot the overall process of Penetration of Shaped Charge Jet cylindrical shell and detonation by influence inner wall explosive.As shown in Fig. 1
It is 2.5m that cabinet top, which is fixed with a length, and width is the channel steel of 10cm, and cabinet is filled with water depth as 2m, and experimental rig is placed on
Powder charge underwater penetration is the horizontal position of 1m, and experimental rig is horizontal positioned in water by the metal hanging ring being fixed on channel steel,
Wherein axis direction is identical as high-speed photography observed direction.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of model test apparatus for destroying underwater unexploded for studying explosion cumulative blasting, it is characterised in that: including quick-fried
Fried water tank is equipped with bracket in explosion water tank, simulant missile is hung on bracket, is equipped with pressure around simulation monomer
Sensor is equipped with cutter device on simulation monomer, and watch window is equipped on explosion water tank, and watch window is externally provided with high speed
Camera；Cutter device cuts body, ignites body, and pressure sensor and high-speed photography device acquire detonator signal.
2. research explosion cumulative blasting according to claim 1 destroys the model test apparatus of underwater unexploded, feature
Be: the simulation monomer includes hollow cylinder shell, screw rod, fixed plate and closure member, and hollow cylinder shell both ends are pacified respectively
Equipped with fixed plate, two fixed plates are connected by screw rod, correspond to cut place in hollow cylinder shell inner wall and be equipped with miniature explosive, empty
Heart cylindrical shell both ends pass through closure seals.
3. research explosion cumulative blasting according to claim 1 destroys the model test apparatus of underwater unexploded, feature
Be: the cutter device includes outer sleeve, inner sleeve and capsule, and the inner sleeve is mounted in outer sleeve, in inner sleeve
It is inside fixedly installed with soft metal buffer substrate tablet, buffer substrate tablet has been embedded in rigid metal frame in soft metal, and rigid metal frame passes through connection
Bar is connect with firing pin, and horizontal on outer sleeve to be inserted with safety plug, safety plug passes through firing pin, striker spring, capsule are cased on firing pin
It is connect by screw thread with outer sleeve, rubber ring is installed in outer sleeve, waterproof membrane is installed on rubber ring, under waterproof membrane
Side is placed with igniter cap；When needing to ignite ignition charge, safety plug is extracted, for firing pin under the action of striker spring, firing pin drives rigidity
Metal frame is mobile, and rigid metal frame cuts soft metal buffer substrate tablet, and after having cut soft metal buffer substrate tablet, firing pin penetrates waterproof membrane, complete
At detonation.
4. research explosion cumulative blasting according to claim 3 destroys the model test apparatus of underwater unexploded, feature
Be: the inner sleeve is welded in outer sleeve.
5. research explosion cumulative blasting according to claim 3 destroys the model test apparatus of underwater unexploded, feature
Be: the soft metal buffer substrate tablet is welded on inner sleeve.
6. research explosion cumulative blasting according to claim 3 destroys the model test apparatus of underwater unexploded, feature
Be: the soft metal buffer substrate tablet is fixedly connected with mounting plate, and mounting plate is equipped with through-hole, is inserted into bolt in the through-hole of mounting plate,
Bolt is mounted on inner sleeve.
7. research explosion cumulative blasting according to claim 6 destroys the model test apparatus of underwater unexploded, feature
Be: the mounting plate is resilient material, and mounting plate is equipped with through slot, and soft metal buffer substrate tablet is stuck in through slot, in mounting plate
The two sides of through-hole are respectively equipped with pressure hole, are equipped with bolt in pressure hole, by clamping screw and locking nut by soft metal buffer substrate tablet
It is stuck in through slot.
8. research explosion cumulative blasting according to claim 3 destroys the model test apparatus of underwater unexploded, feature
Be: the safety plug is connect by rubber ring with outer sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910248503.3A CN109916246B (en) | 2019-03-29 | 2019-03-29 | Model test device for researching explosion energy-gathering cutting and destroying underwater unexploded bomb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910248503.3A CN109916246B (en) | 2019-03-29 | 2019-03-29 | Model test device for researching explosion energy-gathering cutting and destroying underwater unexploded bomb |
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| Publication Number | Publication Date |
|---|---|
| CN109916246A true CN109916246A (en) | 2019-06-21 |
| CN109916246B CN109916246B (en) | 2021-06-18 |
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| CN201910248503.3A Active CN109916246B (en) | 2019-03-29 | 2019-03-29 | Model test device for researching explosion energy-gathering cutting and destroying underwater unexploded bomb |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013728A (en) * | 2020-08-10 | 2020-12-01 | 西安近代化学研究所 | Experimental method for transient process of fragment cloud generated by high-speed jet collision on target plate |
| CN112548267A (en) * | 2020-11-27 | 2021-03-26 | 中国人民解放军海军潜艇学院 | Underwater automatic cutting observation device and method |
| CN112697376A (en) * | 2020-12-09 | 2021-04-23 | 南京理工大学 | Underwater penetration test system |
| RU2772623C1 (en) * | 2021-12-27 | 2022-05-23 | Акционерное общество "Научно-производственное объединение "СПЛАВ" им. А.И. Ганичева" | Installation for the study of intra-chamber processes of ammunition |
| CN114894419A (en) * | 2022-03-29 | 2022-08-12 | 哈尔滨工程大学 | Experimental device for simulating underwater contact explosion high-speed fragment load |
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| DE3227544C1 (en) * | 1982-07-23 | 1984-01-26 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | Device for determining the temporal and/or spatial variation of a shock-wave or detonation front |
| CN203642815U (en) * | 2013-12-24 | 2014-06-11 | 中国人民解放军77156部队保障部 | Waste ammunition energy-gathered detonation destroying device |
| CN104034216A (en) * | 2014-06-05 | 2014-09-10 | 南京理工大学 | Rapid blasting device |
| CN105486525A (en) * | 2015-11-27 | 2016-04-13 | 中国人民解放军理工大学 | Model test device for carrying out underwater explosion research on centrifuge platform |
| CN107144193A (en) * | 2017-06-29 | 2017-09-08 | 芜湖泰庆电子科技有限公司 | A kind of ring-type blasting type cutter device under water |
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| DE3227544C1 (en) * | 1982-07-23 | 1984-01-26 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | Device for determining the temporal and/or spatial variation of a shock-wave or detonation front |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013728A (en) * | 2020-08-10 | 2020-12-01 | 西安近代化学研究所 | Experimental method for transient process of fragment cloud generated by high-speed jet collision on target plate |
| CN112013728B (en) * | 2020-08-10 | 2022-08-19 | 西安近代化学研究所 | Experimental method for transient process of fragment cloud generated by high-speed jet collision on target plate |
| CN112548267A (en) * | 2020-11-27 | 2021-03-26 | 中国人民解放军海军潜艇学院 | Underwater automatic cutting observation device and method |
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| CN112697376B (en) * | 2020-12-09 | 2023-09-26 | 南京理工大学 | Underwater penetration test system |
| RU2772623C1 (en) * | 2021-12-27 | 2022-05-23 | Акционерное общество "Научно-производственное объединение "СПЛАВ" им. А.И. Ганичева" | Installation for the study of intra-chamber processes of ammunition |
| CN114894419A (en) * | 2022-03-29 | 2022-08-12 | 哈尔滨工程大学 | Experimental device for simulating underwater contact explosion high-speed fragment load |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109916246B (en) | 2021-06-18 |
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