CN108088335A - A kind of design method for high speed fragments bump test series transmitting device - Google Patents
A kind of design method for high speed fragments bump test series transmitting device Download PDFInfo
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- CN108088335A CN108088335A CN201711201241.2A CN201711201241A CN108088335A CN 108088335 A CN108088335 A CN 108088335A CN 201711201241 A CN201711201241 A CN 201711201241A CN 108088335 A CN108088335 A CN 108088335A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B35/00—Testing or checking of ammunition
- F42B35/02—Gauging, sorting, trimming or shortening cartridges or missiles
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Abstract
The invention discloses a kind of design methods for high speed fragments bump test series transmitting device, are tested suitable for the standard fragmentation crash safety of weapons and ammunitions, simple and convenient, securely and reliably, the design for the type experimental rig provides beneficial reference.The design method is on the premise of known big gun penetrates fragmentation emitter flying speed, big gun firing rate degree is coupled with explosive actuating speed, the theoretical formula of Fragment Velocities is calculated by explosive lattice Buddhist nun speed, and it is aided with the relevant material parameters of housing, explosive, partition plate, bullet support and standard fragmentation, on the premise of obtaining standard fragmentation and it is expected flying speed, final designing scheme is obtained.The present invention is simple and convenient, securely and reliably, has good applicability to the standard fragmentation crash safety experiment of various weapons and ammunitions, standard fragmentation can easily be driven to reach the speed of test requirements document, and can improve the precision controlling of experiment well.
Description
Technical field
The invention belongs to weapons and ammunitions security technique fields, are specially that a kind of high speed fragments bump test that is used for is connected
The design method of formula emitter.
Background technology
In weapons and ammunitions safety research field, American army mark MIL-STD-2105D defines basic security experiment, mainly
The adaptive capacity to environment of weapons and ammunitions is examined, this is the experiment process of a continuity, including 28 days humiture Xun Huans, vibration examination
It tests, 4 days humitures cycle and 12 meters of fall-down tests.In addition, 6 insensitive experiments are alsied specify, including fast cook off test,
Slow cook-off, projectile impact, standard fragmentation are hit, energy-gathering jetting and induced detonation, main test weapons and ammunitions meet with unexpected security
When ability.Among these, standard fragmentation bump test is to weapons and ammunitions under battlefield surroundings, under standard fragmentation high-speed impact
Safety evaluatio and the most effective research technique of examination.Test method is generally accelerated to standard fragmentation by certain method
Fixing speed, then high-speed impact weapons and ammunitions, judge that weapons and ammunitions are met with when standard fragmentation is hit not according to result of the test
Sensibility.
In this experiment, it is the key that experiment success how standard fragmentation to be accelerated to fixing speed, it requires mark
Quasi- fragmentation emitter transient response ability is strong, and synchronism is good, simple and convenient, workable, while will be to the interference of experiment
It is small, it is ensured that only standard fragmentation is with defined speed impacts weapons and ammunitions.And existing standard fragmentation accelerator is difficult whole
Meet these conditions, such as emitted using cannon (30 big guns or 40 big guns), the speed of fragmentation can reach fixing speed, to fragmentation
Protection is also preferable, but with high costs, it is difficult to undertake；If using I and II light-gas gun, Fragment Velocities can also reach regulation
Speed, but cost is equally very high, and it is unsuitable for operation in the wild；Emitted using magnetic artillery, Fragment Velocities are higher, and continuous
It is adjustable, but the technical maturity is relatively low, use cost is high, and orbital lifetime is low, and the requirement to power supply is especially high, equally
It is unsuitable for operation in the wild.Analysis specific as follows.
ELECTROMAGNETIC LAUNCH TECHNOLOGY has the main issue of 4 aspects, i.e. high power pulsed source technology, electric adjustment control skill
Art, anti-yaw damper technology, track, bullet material and structure technology.(1) high power pulsed source is to realize the energy pressure of pulse power
Compression apparatus.At present, the stored energy form of research has capacitive energy storage, inductive energy storage, mechanical energy, chemical energy and nuclear energy, and first 3 kinds are research
Emphasis.The capacitor storage electric energy charge and discharge time is short, and safe noiseless, but energy storage density is low, there is electric leakage, it is difficult to long-term storage
It deposits；Inductive energy storage is sent energy in load by disconnect switch, this mode is high, small, at low cost with energy storage density
The advantages of；Mechanical energy energy storage generally use monopolar machine stores energy, and approximate constant-current source, size be small in discharge process, economic dispatch
Advantage.Its shortcoming is voltage is low, the induction charging time is long, capacity usage ratio is relatively low, and energy need to store immediately.The pulse power is
Electromagnetic Launching process provides energy, and current experiment research emission effciency (outlet kinetic energy is with consuming the ratio between electric energy) is universal relatively low.(2)
The heavy current of pulse power release cannot be directly used to Electromagnetic Launching, this is because the electromagnetic push that single-pulse current generates can companion
With very strong concussion, and energy conversion efficiency is low.(3) launching trajectory material and structure technology are the important research necks of Electromagnetic Launching
Domain.Conventional rails formula emitter structure is connected for 2 tracks with power supply, and rail material is typically homogenous material or uses
Raceway surface covers coating material.In order to improve orbit launching performance, various types of materials and structure technology are suggested, including track point
Grade electric discharge, reduces Joule heat；Using special material and lamination track, to improve track inductor gradient；In traditional railgun
Surface is embedded in graphite bar, to improve contact condition of armature and track etc..Bullet is subject to multi-direction structure to bear in accelerator
Lotus, axial load of accelerating is maximum, and most materials can occur plasticity variation and crush.Currently often using elongated structure design and
Composite material.On the other hand, bullet deformation directly affects the precision of outer trajectory flight.In addition, bullet is originated in the disturbance of gun muzzle
Angle and angular speed must very littles.Conductivity type High-velocity Projectiles processed are also the hot spot of research, on some non-guidance bullets developed at present
Leave the load volume of guidance component.(4) research shows that the ablation on the orbitrap electrodes surface that bullet passes through is more serious.It burns
The pattern on orbitrap electrodes surface is mainly arc trace, arc crater and the drop-wise particle being suspended on upper rail electrode after erosion.Ablation is not
But it seriously affects and penetrates tube lifetime, and there are the metal pieces of attachment before bullet, the failure of transmitting may be caused.In initial acceleration rank
Section, curent change is very big, and the electromagnetic force of variation generates very big concussion, generates the impact crater of the initial segment；Armature resistance rate is low, Europe
Nurse heat consumption is few, be easy to cause the mistake with guide rail and contacts, causes ablation；There is no contact to ask with the mistake of guide rail for plasma armature
Topic, but resistivity is big, pressure drop is high and easily generates electric arc, thus emission effciency is relatively low, more seriously electric arc can generate seriously
Ablation.At present, burn-out-proof corrosion material cannot still meet the needs of Electromagnetic Launching in performance.
Light-gas gun and cannon loading system are with pressure regulation spectrum is big, experimental precision is high and site condition is required not
The advantages that high, is widely used in material high pressure property and dynamic response research.However, current cannon, two-stage light gas gun system
Using solid gun propellant as drive energy, the average molecular mass of powder gas is big, the velocity of sound is low, and emissivities are difficult
It improves, therefore Development of Novel high efficiency drive technology is of great significance for scientific research and engineer application.In addition, using solid
The gas gun system of propellant powder is needed in the process of running using priming systems such as nitrocotton, igniter cap, black powders, and generation is largely toxic to be had
Evil gas, causes environmental pollution.On the other hand, the raising with public safety requirement and anti-terrorism shape increasingly serious both at home and abroad
Gesture, use, transport and the storage of priming system are limited be subject to more and more stringenter, cause the cannon of many research institutions, two level light
The operation of gas gun system is extremely restricted, and not only correlative study work can not normally be carried out, and also create the very big of device resource
Waste.
The content of the invention
For these reasons, the present invention provides a kind of setting for high speed fragments bump test series transmitting device
Meter method is tested suitable for the standard fragmentation crash safety of weapons and ammunitions, simple and convenient, securely and reliably, is tested for the type
The design of device provides beneficial reference.
In standard fragmentation emitter as shown in Figure 1, the present invention is achieved by the following measures：
Step 1：According to the theoretical formula of detonation physics, Fragment Velocities are calculated using lattice Buddhist nun speed, i.e.,：
Wherein, vfFor fragmentation flying speed；It is lattice Buddhist nun's speed；mkIt is fragmentation quality；M is quality of explosive.
Step 2：Determine the flying speed v of explosive driving standard fragmentationf.Propellant powder promotes fragmentation emitter to reach speed
Spend vp, meanwhile, delay igniter effect, and the explosive in fragmentation emitter is ignited, driving standard fragmentation flight forward
Speed is vf, big gun penetrates fragmentation emitter speed vpWith explosive driving fragmentation flying speed vfCoupling can obtain standard fragmentation
Final flying speed v (v=vf+vp), i.e., the flying speed of standard fragmentation as defined in American army mark MIL-STD-2105D.
Step 3：Determine quality of explosive m.A diameter of d of explosive, the draw ratio of explosive is 1 (i.e. explosive thickness l1=d),
The density of explosive is ρ1, then quality m=π (d/2) of explosive2dρ1。
Step 4：Determine " fragmentation quality " m that explosive needs drivek.Explosive detonation driving herein is not only standard
The quality of fragmentation further includes the quality of partition plate and bullet support.Partition plate left side is in close contact with explosive, for the explosion for explosive of decaying
Energy, protective standard fragmentation is from big damage.Bullet support is divided into three valves, and left side is in close contact with partition plate, for ensureing standard
The installation accuracy of fragmentation is allowed to the horizontal forward flight under the driving of explosive charge energy.Therefore, " fragmentation quality " is broken by standard
Tablet quality, partition quality and bullet support quality three parts are formed：
(1) standard fragmentation quality is m1=18.6g；
(2) partition quality m2.Partition plate diameter is identical with the diameter of explosive, is d, if partition plate is only by a kind of material group
Into, and block board thickness is l2, partition plate density is ρ2, then the quality of partition plate is m2=π (d/2)2l2ρ2；If partition plate by two kinds or with
On material composition, and the corresponding thickness and density of each material is respectively liAnd ρi, then the gross mass of partition plate is m2=∑ π (d/
2)2liρi；
(3) bullet support quality m3.Bullet support is three valve hollow-core constructions, and one end is equipped with windward side, and outer diameter is identical with the diameter of explosive,
It is d, outer length lw, internal diameter is identical with standard fragmentation diameter, is d0=14.3mm, interior hole length are ln, bullet support density
For ρt, then the quality of bullet support be：
Then " fragmentation quality " mk=m1+m2+m3。
Step 5：By fragmentation flying speed vf, quality of explosive m, " fragmentation quality " mkThe Fragment Velocities for substituting into step 1 calculate
Formula, you can determine the diameter d of explosive.
Lattice Buddhist nun's speedIt is the characteristic value of explosive it is characterized in that, having speed dimension, explosive is different,Also it is different, E0It is in the thermal energy discharged after unit mass explosive charge, for air detonation product and gold for Gurney energy
Belong to the energy of film flying movement.
The big gun penetrates fragmentation emitter speed vp, which is characterized in that it is promoted, can promoted by the propellant powder in gun barrel
Fragmentation emitter reaches certain flying speed vp, shape of propellent is cylinder, propellant powder diameter and warp in gun barrel and
Fragmentation emitter outer diameter is identical, and the thickness of single transmitting pack can be the different sizes of 20mm~40mm, and propellant powder can be with
It is made of, can also be made of multiple transmitting pack bondings, different transmitting pack numbers is corresponded to promote and broken single propellant powder bag
The different speed v of piece emitterp。
The delay igniter, which is characterized in that including：Capsule, strengthening cap, silk fabric pad, lead styphnate
(LTNR), delay powder, lead azide (Pb (N3) 2), hexogen (RDX), fragmentation emitter are launched medicine and promote and reach one
Constant speed degree, meanwhile, delay igniter effect and ignites the explosive in fragmentation emitter, driving standard fragmentation with one more
Big speed flight forward.
The explosive draw ratio, which is characterized in that when the draw ratio of explosive is 1~1.5, the utilization rate highest of explosive,
This paper draw ratios are 1.
The standard fragmentation, which is characterized in that according to being provided in American army mark STANAG 4496, standard fragmentation is that band is bored
The cylinder on top, column part size be diameter 14.3mm, length 14.3mm, vertex of a cone portion size be diameter 14.3mm, the vertex of a cone
It is highly 1.26mm, cone angle is about 160 °, and standard fragmentation material is mild steel, heavy 18.6g.
The partition plate, which is characterized in that shape is cylinder, and partition plate diameter is identical with the diameter of explosive, block board thickness
Can be the different sizes of 3mm~15mm, partition plate can be the entity of homogenous material, and material can be steel, aluminium, foamed aluminium etc.
The high molecular materials such as metal material or hard polyaminoester, nylon, organic glass, makrolon, phenolic resin, partition plate can also
It is a cylinder entirety of more than multiple material Correspondent cy linder body bonding, such as steel+foamed aluminium or steel+foamed aluminium+steel etc. are no
Same form, thickness can also be various sizes of combinations.
The bullet support, it is characterised in that for three valve hollow-core constructions, three valves are identical, and one end is inner concave, in this
Concave surface is exactly the windward side specially set, is convenient for the separation of three valve bullet supports after thorax, the internal diameter of bullet support and the outer diameter of standard fragmentation
Identical, cooperating therewith, hole length is identical with standard fragmentation column part length in bullet support, be 14.3mm, the outer diameter of bullet support with
The internal diameter of housing is identical, cooperating therewith, and bullet support outer length is more than or equal to 15.56mm, and the material of bullet support can be nylon, hard
The high molecular materials such as matter polyurethane, organic glass, makrolon, phenolic resin.
The present invention is simple and convenient, securely and reliably, has very to the standard fragmentation crash safety experiment of various weapons and ammunitions
Good applicability, can easily drive standard fragmentation to reach the speed of test requirements document, and can improve the precision control of experiment well
System.
Description of the drawings
Fig. 1 is 1/2 sectional view of fragmentation emitter acceleration system of the present invention.
Fig. 2 is 1/2 sectional view of fragmentation emitter of the present invention.
Fig. 3 is 1/2 sectional view of delay igniter of the present invention.
Fig. 4 is 1/2 sectional view of fragmentation emitter housing of the present invention.
Fig. 5 is the partition plate schematic diagram of fragmentation emitter of the present invention.
Fig. 6 is 1/2 sectional view of fragmentation emitter bullet support of the present invention.
Fig. 7 is the schematic diagram of standard fragmentation of the present invention.
Wherein：Wherein, 1- gun barrels；2- breech blocks；3- propellant powder；4- delay igniters；5- housings；6- explosives；7- partition plates；
8- bullet supports；9- standard fragmentations；10- gun carriages；11- artillery wheels；12- capsules；13- strengthening caps；14- silk fabric pads；15- lead styphnate
(LTNR)；16- delay powders；17- lead azide (Pb (N3) 2)；18 hexogen (RDX).
Specific implementation method
The present invention will now be described in detail with reference to the accompanying drawings and examples.
The present embodiment is tested for the standard fragmentation crash safety of weapons and ammunitions, is provided one kind and is hit for high speed fragments
The design method of experiment series transmitting device is hit, simple and convenient, securely and reliably, the design for the type experimental rig provides
Beneficial reference.
In standard fragmentation emitter as shown in Figure 1, the present invention is achieved by the following measures：
Step 1：According to the theoretical formula of detonation physics, Fragment Velocities are calculated using lattice Buddhist nun speed, i.e.,：
Wherein, vfFor fragmentation flying speed；It is lattice Buddhist nun's speed；mkIt is fragmentation quality；M is quality of explosive.
Step 2：Determine the flying speed v of explosive driving standard fragmentationf.Propellant powder promotes fragmentation emitter to reach speed
Spend vp, meanwhile, delay igniter effect, and the explosive in fragmentation emitter is ignited, driving standard fragmentation flight forward
Speed is vf, big gun penetrates fragmentation emitter speed vpWith explosive driving fragmentation flying speed vfCoupling can obtain standard fragmentation
Final flying speed v (v=vf+vp), i.e., the flying speed of standard fragmentation as defined in American army mark MIL-STD-2105D.The present embodiment
In the final flying speed of fragmentation for v=2530m/s, propellant powder promotes fragmentation emitter to reach speed vp=700m/s, because
The speed of this explosive driving standard fragmentation flight forward is vf=v-vp=1830m/s.
Step 3：Determine quality of explosive m.A diameter of d of explosive, the draw ratio of explosive is 1 (i.e. explosive thickness l1=d),
The density of explosive is ρ1, then quality m=π (d/2) of explosive2dρ1.8701 explosives, explosive density ρ are used in the present embodiment1=
1.72g/cm3, explosive lattice Buddhist nun's speed
Step 4：Determine " fragmentation quality " m that explosive needs drivek, explosive detonation driving herein is not only standard
The quality of fragmentation further includes the quality of partition plate and bullet support.Partition plate left side is in close contact with explosive, for the explosion for explosive of decaying
Energy, protective standard fragmentation is from big damage.Bullet support is divided into three valves, and left side is in close contact with partition plate, for ensureing standard
The installation accuracy of fragmentation is allowed to the horizontal forward flight under the driving of explosive charge energy.Therefore, " fragmentation quality " is broken by standard
Tablet quality, partition quality and bullet support quality three parts are formed：
(1) standard fragmentation quality is m1=18.6g；
(2) partition quality m2.Partition plate diameter is identical with the diameter of explosive, is d, if partition plate is only by a kind of material group
Into, and block board thickness is l2, partition plate density is ρ2, then the quality of partition plate is m2=π (d/2)2l2ρ2；If partition plate by two kinds or with
On material composition, and the corresponding thickness and density of each material is respectively liAnd ρi, then the gross mass of partition plate is m2=∑ π (d/
2)2liρi；
Using nylon partition plate in the present embodiment, thickness and density is 10mm and 1.15g/cm3 respectively；
(3) bullet support quality m3.Bullet support is three valve hollow-core constructions, and one end is equipped with windward side, and outer diameter is identical with the diameter of explosive,
It is d, outer length lw, internal diameter is identical with standard fragmentation diameter, is d0=14.3mm, interior hole length are ln, bullet support density
For ρt, then the quality of bullet support be：
The bullet support material used in the present embodiment is nylon, and outer length 16mm, interior hole length is 14.3mm, and density is
1.15g/cm3；
Then " fragmentation quality " mk=m1+m2+m3。
Step 5：By fragmentation flying speed vf, explosive lattice Buddhist nun's speedQuality of explosive m, " fragmentation quality " mkSubstitute into step
Rapid one Fragment Velocities calculation formula, you can determine the diameter d of explosive.
vf=v-vp
Solution can obtain：
D=30.55mm
Since the energy that explosive detonation generates can not possibly be completely used for driving fragmentation flight, there are a utilizations for explosive
Rate coefficient c, explosive are believed that with the isometrical column part of fragmentation all of the other parts of explosive should then be multiplied by a utilization
Rate coefficient c, c=0.5 in the present embodiment.If into explosive range of value c is brought to the calculating process of top, you can obtain in engineering
The higher solution value of confidence level：
D=43.34mm
In conclusion the foregoing is merely a prefered embodiment of the invention, it is not intended to limit the scope of the present invention.
Within the spirit and principles of the invention, any modification, equivalent substitution, improvement and etc. done should be included in the present invention's
Within protection domain.
Claims (8)
1. a kind of design method for high speed fragments bump test series transmitting device, which is characterized in that in such as Fig. 1 institutes
In the series transmitting device shown, it the described method comprises the following steps：
Step 1：According to the theoretical formula of detonation physics, Fragment Velocities are calculated using lattice Buddhist nun speed, i.e.,：
Wherein, vfFor fragmentation flying speed；It is lattice Buddhist nun's speed；mkIt is fragmentation quality；M is quality of explosive.
Step 2：Determine the flying speed v of explosive driving standard fragmentationf.Propellant powder promotes fragmentation emitter to reach speed vp,
Meanwhile delay igniter acts on, and the explosive in fragmentation emitter is ignited, the speed of driving standard fragmentation flight forward is
vf, big gun penetrates fragmentation emitter speed vpWith explosive driving fragmentation flying speed vfCoupling can obtain the final of standard fragmentation and fly
Scanning frequency degree v (v=vf+vp), i.e., the flying speed of standard fragmentation as defined in American army mark MIL-STD-2105D.
Step 3：Determine quality of explosive m.A diameter of d of explosive, the draw ratio of explosive is 1 (i.e. explosive thickness l1=d), explosive
Density is ρ1, then quality m=π (d/2) of explosive2dρ1。
Step 4：Determine " fragmentation quality " m that explosive needs drivek.Explosive detonation driving herein is not only standard fragmentation
Quality further includes the quality of partition plate and bullet support.Partition plate left side and explosive are in close contact, for the explosion energy for explosive of decaying,
Protective standard fragmentation is from big damage.Bullet support is divided into three valves, and left side is in close contact with partition plate, for ensureing standard fragmentation
Installation accuracy is allowed to the horizontal forward flight under the driving of explosive charge energy.Therefore, " fragmentation quality " is by standard fragmentation matter
Amount, partition quality and bullet support quality three parts are formed：
(1) standard fragmentation quality is m1=18.6g；
(2) partition quality m2.Partition plate diameter is identical with the diameter of explosive, is d, if partition plate is only made of a kind of material, and every
Plate thickness is l2, partition plate density is ρ2, then the quality of partition plate is m2=π (d/2)2l2ρ2；If partition plate is by two kinds or more of material
Material composition, and the corresponding thickness and density of each material is respectively liAnd ρi, then the gross mass of partition plate is m2=∑ π (d/2)2li
ρi；
(3) bullet support quality m3.Bullet support is three valve hollow-core constructions, and one end is equipped with windward side, and outer diameter is identical with the diameter of explosive, is
D, outer length lw, internal diameter is identical with standard fragmentation diameter, is d0=14.3mm, interior hole length are ln, bullet support density is
ρt, then the quality of bullet support be：
Then " fragmentation quality " mk=m1+m2+m3。
Step 5：By fragmentation flying speed vf, quality of explosive m, " fragmentation quality " mkThe Fragment Velocities for substituting into step 1 calculate public affairs
Formula, you can determine the diameter d of explosive.
2. lattice Buddhist nun speed according to claim 1It is the characteristic value of explosive it is characterized in that, having speed dimension,
Explosive is different,Also it is different, E0It is in the thermal energy discharged after unit mass explosive charge, for air detonation for Gurney energy
Product and the energy of metal film flying movement.
3. big gun according to claim 1 penetrates fragmentation emitter speed vp, which is characterized in that it is pushed away by the propellant powder in gun barrel
It is dynamic, fragmentation emitter can be promoted to reach certain flying speed vp, shape of propellent is cylinder, propellant powder diameter and big gun
Warp and fragmentation emitter outer diameter are identical in cylinder, and the thickness of single transmitting pack can be the different sizes of 20mm~40mm,
Propellant powder can be made of single propellant powder bag, can also be made of multiple transmitting pack bondings, different transmitting pack numbers
The corresponding speed v for promoting fragmentation emitter differentp。
4. delay igniter according to claim 1, which is characterized in that including：Capsule, strengthening cap, silk fabric pad, Si Di
Phenolic acid lead (LTNR), delay powder, lead azide (Pb (N3) 2), hexogen (RDX), fragmentation emitter are launched medicine and promote simultaneously
Reach certain speed, meanwhile, delay igniter effect and ignites the explosive in fragmentation emitter, driving standard fragmentation with
The speed flight forward of one bigger.
5. explosive draw ratio according to claim 1, which is characterized in that when the draw ratio of explosive is 1~1.5, explosive
Utilization rate highest, this paper draw ratios are 1.
6. standard fragmentation according to claim 1, which is characterized in that according to being provided in American army mark STANAG 4496, standard
Fragmentation is the cylinder with the vertex of a cone, and column part size is diameter 14.3mm, and length 14.3mm, vertex of a cone portion size is diameter
14.3mm, vertex of a cone height are 1.26mm, and cone angle is about 160 °, and standard fragmentation material is mild steel, heavy 18.6g.
7. partition plate according to claim 1, which is characterized in that shape is cylinder, the diameter phase of partition plate diameter and explosive
Together, block board thickness can be the different sizes of 3mm~15mm, and partition plate can be the entity of homogenous material, material can be steel,
The high molecular materials such as the metal materials such as aluminium, foamed aluminium or hard polyaminoester, nylon, organic glass, makrolon, phenolic resin,
Partition plate can also be a cylinder entirety of more than multiple material Correspondent cy linder body bonding, such as steel+foamed aluminium or steel+bubble
The various forms such as foam aluminium+steel, thickness can also be various sizes of combinations.
8. bullet support according to claim 1, it is characterised in that for three valve hollow-core constructions, three valves are identical, and one end is
Inner concave, this inner concave are exactly the windward side specially set, are convenient for the separation of three valve bullet supports after thorax, the internal diameter and standard of bullet support
The outer diameter of fragmentation is identical, cooperating therewith, and hole length is identical with standard fragmentation column part length in bullet support, for 14.3mm, bullet
The outer diameter of support is identical with the internal diameter of housing, cooperating therewith, and bullet support outer length is more than or equal to 15.56mm, and the material of bullet support can
To be the high molecular materials such as nylon, hard polyaminoester, organic glass, makrolon, phenolic resin.
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| CN201711201241.2A CN108088335A (en) | 2017-11-27 | 2017-11-27 | A kind of design method for high speed fragments bump test series transmitting device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107944145A (en) * | 2017-11-28 | 2018-04-20 | 北京理工大学 | A kind of design method for fragmentation bump test detonation driven formula emitter |
| CN109596770A (en) * | 2018-11-27 | 2019-04-09 | 西安近代化学研究所 | A kind of propellant powder explosion fragment pressure release extinction device |
| CN110082288A (en) * | 2019-06-04 | 2019-08-02 | 西安近代化学研究所 | A kind of explosive impact damage experimental rig |
| CN110146295A (en) * | 2019-05-06 | 2019-08-20 | 中国人民解放军海军研究院特种勤务研究所 | Solid propellant rocket fragmentation surge generator |
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2017
- 2017-11-27 CN CN201711201241.2A patent/CN108088335A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107944145A (en) * | 2017-11-28 | 2018-04-20 | 北京理工大学 | A kind of design method for fragmentation bump test detonation driven formula emitter |
| CN107944145B (en) * | 2017-11-28 | 2021-11-26 | 北京理工大学 | Design method of detonation drive type launching device for fragment impact test |
| CN109596770A (en) * | 2018-11-27 | 2019-04-09 | 西安近代化学研究所 | A kind of propellant powder explosion fragment pressure release extinction device |
| CN110146295A (en) * | 2019-05-06 | 2019-08-20 | 中国人民解放军海军研究院特种勤务研究所 | Solid propellant rocket fragmentation surge generator |
| CN110146295B (en) * | 2019-05-06 | 2021-03-23 | 中国人民解放军海军研究院特种勤务研究所 | Fragment impact generator of solid rocket engine |
| CN110082288A (en) * | 2019-06-04 | 2019-08-02 | 西安近代化学研究所 | A kind of explosive impact damage experimental rig |
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Application publication date: 20180529 |