CN105300875B - The continuous multiple-pulse load loading experimental apparatus of explosive loading - Google Patents
The continuous multiple-pulse load loading experimental apparatus of explosive loading Download PDFInfo
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- CN105300875B CN105300875B CN201510697886.4A CN201510697886A CN105300875B CN 105300875 B CN105300875 B CN 105300875B CN 201510697886 A CN201510697886 A CN 201510697886A CN 105300875 B CN105300875 B CN 105300875B
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Abstract
The invention discloses a kind of continuous multiple-pulse load loading experimental apparatus of explosive loading, including above hit column, cushion pad, sleeve, in hit column, sample, under hit column and sensor.Wherein, on to hit column be the steel solid cylinder with two annular braces, and one end larger with sleeve diameter is connected, sleeve is machined with the cylinder of step through-hole for inside, the less part of sleeve diameter be sequentially installed with cushion pad, in hit column, sample and under hit column；Three cushion pads are located at sleeve ends respectively, at sleeve stepped hole reducing and it is upper, in hit between column；In hit column, sample and under hit that column is cylinder and outside diameter is equal with sleeve diameter；Under hit the sensor that column is provided with steel cylinder shape away from the one end for above hitting column.The continuous multiple-pulse load loading experimental apparatus of explosive loading of the present invention can carry out continuous multiple-pulse load to explosive loading and load, each pulse loading stress peak value and load time can effectively control, it can more really simulate Service Environment during warhead explosive loading penetration stratification target, and then scientific evaluation its overload-resistant security.
Description
Technical field
The invention belongs to explosive wastewater laboratory experiment engineering device technique field, is related to a kind of multiple-pulse load charger, special
It is not related to continuous multiple-pulse load loading experimental apparatus during a kind of simulant missile penetration stratification target.
Background technology
As protection works develop, the important strategic organ of countries in the world today, such as command centre, communication center, politics
Building etc. has the trend of strong protection and MULTILAYER COMPOSITE protection, and employs underground or semi-underground type structure.From target property
From, MULTILAYER COMPOSITE safeguard structure can be generally equivalent to by soil layer, cemented rock layer, discrete material layer and armored concrete
The layered target of layer composition.During penetration stratification target, warhead explosive loading will be subject to continuous multiple pulses for warhead
Load acts on, and so as to cause explosive loading preinitiation, is unable to reach expected damage effectiveness.Therefore, explosive loading exists
Overload-resistant security under continuous multiple-pulse load effect has become one of Important Problems of weapon development department care.
At present, the research of the domestic overload-resistant security of warhead explosive loading is loaded mainly for single pulse load, king's generation
English et al. document " howitzer explosive loading transmitting premature burst experimental system for simulating research " (war industry's journal, in November, 2002, the 23rd
Roll up the 4th phase page 541) in report a kind of single pulse load loading simulation sample bullet, which uses piston cylinder operator, i.e.,：
Sample is installed in sleeve, powder column both ends are compressed with piston, and one end piston is fixed on big quality anvil body, to ensure testing
During axial displacement does not occur, using the piston of the large-scale drop impact powder column other end, thus to powder column sample produce impact
Compression, by being installed on the sensor of simulation sample bullet bottom, records stress loading course suffered by explosive sample.However, work as
When simulating the overload-resistant stability of explosive loading when sample bullet is applied to study warhead penetration stratification target, there are problems with：
First, which is only capable of the situation that Dynamite powder charge is subject to single pulse load, can not Dynamite dress
Medicine is subject to the situation of continuous multiple-pulse load, is not inconsistent with the force environment of explosive loading during warhead penetration multiple shell target；
Secondly, which cannot embody powder charge damage effect in loading procedure, and it is continuous both to have evaluated multiple-pulse
The load loading influence of damage and damage for explosive loading security caused by explosive loading, and warhead explosive loading
After first impulse action is undergone, different degrees of damage can be often produced inside powder charge, the powder charge with damage is follow-up
The probability increase that " hot spot " is emerged in impulse action, it may occur however that premature burst.
Do not have also and the relevant various disclosures of the continuous multiple-pulse load loading experimental apparatus of this explosive loading both at home and abroad at present
Report, paper and patent etc..
The content of the invention
For overcome the deficiencies in the prior art and defect, the present invention, which provides one kind, can carry out explosive loading in continuous more arteries and veins
The experimental provision of loading is rushed, each pulse loading stress peak value and load time can effectively control, and consider damage to explosive
The influence of the overload-resistant stability of powder charge, can more really simulate Service Environment during warhead explosive loading penetration stratification target,
And then scientific evaluation its overload-resistant security.
The continuous multiple-pulse load loading experimental apparatus of explosive loading provided by the invention, including column is above hit, cushion pad, set
Cylinder, in hit column, sample, under hit column and sensor.Wherein, it is the steel solid cylinder with two annular braces above to hit column,
And one end larger with sleeve diameter is connected, sleeve is machined with the cylinder of step through-hole, the less portion of sleeve diameter for inside
Point be sequentially installed with cushion pad, in hit column, sample and under hit column；Three cushion pads are located at sleeve ends, sleeve stepped hole respectively
At reducing and it is upper, in hit between column；In hit column, sample and under hit that column is cylinder and outside diameter is equal with sleeve diameter；Under hit
Column is provided with the sensor of steel cylinder shape away from the one end for above hitting column, it is described on hit column, in hit column, sample, under to hit column equal
Coordinate with the internal diameter internal diameter H9/g8 of sleeve.
Pillar height is hit on described and goes out the ratio between length and its total length of sleeve end face part for 1:2~3, above hit column diameter compared with
The diameter of big annular brace 1~1.5cm small compared with sleeve outer diameter, the diameter of the less annular brace of diameter are more larger than sleeve diameter
Small 0.5~the 1cm of diameter at end, the sum of the spacing of two annular braces and the thickness of the less annular brace of diameter should be than in sleeves
The long 0.5-1cm of length that larger section of footpath.The ratio between the length of the big one end of the sleeve diameter and its total length are 1：3, internal diameter compared with
The ratio between internal diameter and outside diameter of small end are 1：3~4, internal diameter is 1 compared with the ratio between the internal diameter of big end and outside diameter:1.5~2.Sleeve end face
The internal diameter of cushion pad is bigger 0.5cm compared with the diameter of big end than sleeve diameter, and outside diameter is smaller 1~1.5cm than the outside diameter of sleeve.Sleeve step
The internal diameter of cushion pad at the reducing of hole is bigger 0.5cm than the diameter for above hitting column cylindrical section, and outside diameter is than diameter of the sleeve diameter compared with big end
Small 1~1.5cm；On hit column and in hit intercolumniation cushion pad diameter it is smaller 1~1.5cm than the diameter of sleeve diameter small end.
After each component assembling of the continuous multiple-pulse load loading experimental apparatus of explosive loading, fixed platform is placed on
On, hit column using being hit using the object that quickly moves, by above hit column to it is upper, in hit cushion pad between column and sample is applied
Add axial compressive stress, which is compacted, and first pressure pulse is produced to sample, can simulate Qinzhou harbor intrusion first layer
Soil layer；When it is upper, in the cushion pad that hits between column be compacted after, above hit in column the less annular brace of diameter just with sleeve step
Cushion contact at the reducing of hole, under the action of the annular brace, the cushion pad at sleeve stepped hole reducing is compressed, to sample
Product form second pressure pulse, can simulate Qinzhou harbor thickness of being unearthed and enter cemented rock layer；At sleeve stepped hole reducing
After cushion pad is compacted, under the action of axial force, above hits column and continue to move downward, stress concentration can be formed at annular groove
Point, so as to cut the less annular brace of diameter；After cushion pad at sleeve stepped hole reducing is compacted, the ring that is relatively large in diameter
Shape supports the just cushion contact with sleeve ends, at this time since the intensity of the cushion pad at sleeve stepped hole reducing is higher than set
The cushion pad of cylinder end, therefore the process of sleeve ends cushion pad compacting, are actually the process of second pressure pulse unloading, can
Enter discrete material layer after simulation Qinzhou harbor pulp building block rock layers；Similarly, after sleeve ends cushion pad is compacted, in axial force
Under the action of, above hit column and continue to move downward, stress concentration point can be formed at annular groove, so as to cut the ring being relatively large in diameter
Shape supports, and axial stress will bear directly against sample at this time, produces the pressure pulse of a bigger, and it is loose can to simulate penetration pop-up
Enter reinforced concrete floor after material layer.The peak stress of pressure pulse and action time can by cushion pad unit thickness and
Material records each pressure pulse signal to adjust by the sensor of bottom of device.
The continuous multiple-pulse load loading experimental apparatus of explosive loading of the present invention, the technique effect brought is embodied in following several
A aspect：
1) present invention can carry out explosive loading continuous multiple-pulse load loading, each pulse loading stress and load time
Can effectively it control；
2) when the present invention carries out explosive continuous multiple-pulse load loading, it is contemplated that powder charge damage effect, can be truer
Simulant missile penetration stratification target when Service Environment, and then scientific evaluation its overload-resistant security.
Brief description of the drawings
Fig. 1 is the continuous multiple-pulse load loading experimental apparatus structure diagram of explosive loading of the present invention.
Fig. 2 is the structure diagram of middle sleeve of the present invention.
Fig. 3 be in the present invention on hit the structure diagram of column.
Label in figure represents respectively：1st, column is hit on, the 2, first cushion pad, the 3, second cushion pad, 4, sleeve, the 5, the 3rd is slow
Punching pad, 6, in hit column, 7, sample, 8, under hit column, 9, sensor, the first annular supports of 1-1,1-2 first annular grooves, 1-3, the
Second ring supports, 1-4, second annular groove.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples, it is necessary to which explanation is the present invention not office
Be limited to specific examples below, it is all carried out on the basis of technical solution of the present invention convert on an equal basis in protection scope of the present invention
It is interior.
Above-mentioned technical proposal is deferred to, as shown in Figure 1-Figure 3, the present embodiment provides a kind of continuous multiple-pulse load of explosive loading
Loading experimental apparatus, including above hit column 1, the first cushion pad 2, the second cushion pad 3, the 3rd cushion pad 5, sleeve 4, in hit column 6, sample
Product 7, under hit column 8 and sensor 9.Wherein, it is the steel with first annular support 1-1 and the second annular brace 1-3 above to hit column 1
Solid cylinder, and one end larger with 4 internal diameter of sleeve is connected, the spacing of first annular support 1-1 and the second annular brace 1-3
It is long 0.5cm with the sum of the thickness of the second annular brace 1-3 length of larger section than 4 internal diameter of sleeve；Sleeve 4 is machined with platform for inside
The steel cylinder body of rank through hole, the less part of 4 internal diameter of sleeve are sequentially installed with the second cushion pad 3, the 3rd cushion pad 5, in hit
Column 6, sample 7 and under hit column 8, above hit column 1 cylindrical section, in hit column 6, sample 7, under hit internal diameter H9/g8 of the column 8 with sleeve 4
Coordinate；Second cushion pad 3 is torus made of soft state aluminium, thickness 1cm, its internal diameter is bigger than the diameter for above hitting 1 cylindrical section of column
0.5cm, the diameter that outside diameter is relatively large in diameter end than sleeve 4 are small 1cm；3rd cushion pad 5 is cylinder made of wool pad, and thickness is
3cm, diameter are smaller 1cm than the diameter of 4 diameter small end of sleeve；In hit column 6 and under to hit column 8 be steel cylinder, its diameter with
The internal diameter of the small one end of 4 internal diameter of sleeve is equal, and draw ratio is 1~2：1；Sample 7 fills TNT explosive columns, draw ratio 1 for casting：1
~1.5, the draw ratio of sample 7 is 1 in the present embodiment：1；First cushion pad 2 is torus made of wool pad, thickness 1cm,
It is installed on the endface of sleeve 4, the diameter that the internal diameter of the first cushion pad 2 is relatively large in diameter end than sleeve 4 is big 0.5cm, and outside diameter is than set
The small 1cm of outside diameter of cylinder 4；Under hit the sensor 9 that column 8 is provided with steel cylinder shape away from the one end for above hitting column 1, the sensor 9
According to using when actual pressure select model and range, the present embodiment selects homemade strain gauge transducer, and range is selected
0-1000MPa。
It is the steel solid cylinder with first annular support 1-1 and the second annular brace 1-3 that column 1 is hit on described, on
Hit column 1 and be higher by the ratio between length and its total length of 4 end face part of sleeve as 1:3；On hit column 1 first annular support 1-1 it is straight
Footpath is smaller 1cm than 4 outside diameter of sleeve, and the diameter of the second annular brace 1-3 is smaller 0.5cm compared with the diameter of big end than 4 internal diameter of sleeve, the first ring
The sum of the spacing of shape support 1-1 and the second annular brace 1-3 and the thickness of the less second annular brace 1-3 of diameter should compare sleeve
The long 0.5cm of length that larger section of internal diameter；Cylindrical section one week first annular the support 1-1 and the second annular brace 1-3 of column 1 are hit on edge
Root be machined with first annular groove 1-2 and second annular groove 1-4 respectively, the annulars of first annular groove 1-2 and second are recessed
The radius of groove 1-4 is 2mm, first annular groove 1-2 and second annular groove 1-4 as the stress concentration point in loading procedure,
So that first annular support 1-1 and the second annular brace 1-3 can be broken after reaching certain stress with THE ADIABATIC SHEAR IN, first annular branch
The thickness and the radius of first annular groove 1-2 and second annular groove 1-4 of 1-1 and the second annular brace 1-3 are supportted according to sample
Predetermined loading stress determines that in the present embodiment, the thickness of first annular support 1-1 and the second annular brace 1-3 are
The radius of 1cm, first annular groove 1-2 and second annular groove 1-4 are 2mm.
The sleeve 4 is the steel cylinder body that internal diameter is stepped hole, and 4 inner wall smooth of sleeve, the big one end of internal diameter is with above hitting
Column 1 connects, and the ratio between the length of the big one end of internal diameter and its total length are 1：3, the ratio between internal diameter and outside diameter of internal diameter small end are 1：
4, internal diameter is 1 compared with the ratio between the internal diameter of big end and outside diameter:2.
Hit in described column 6 and under to hit column 8 be steel solid cylinder, its diameter one end small with 4 internal diameter of sleeve it is interior
Footpath is equal, in hit column draw ratio be 1:1, under hit column 8 draw ratio be 2:1.
3rd cushion pad 5 is torus made of wool felt, and in loading procedure, the first cushion pad 2 is pressed first
It is real, first pulse is formed to sample 7, the intensity of pulse and load time are determined by the thickness and density of the 3rd cushion pad 5.This
In embodiment, 5 thickness of the 3rd cushion pad is 3cm, and diameter is smaller 1cm than the diameter of 4 diameter small end of sleeve, to ensure the 3rd buffering
Pad 5 has enough deformation spaces in loading procedure.
Second cushion pad 3 is torus made of soft state aluminium, after the 3rd cushion pad 5 is compacted, the second buffering
3 and second annular brace 1-3 of pad is contacted, and extrudes the second cushion pad 3 by the second annular brace 1-3, hitting column 1 in adjusting is delivered to
The loading stress of sample 7 and load time, form second pulse, and in the present embodiment, 3 thickness of the second cushion pad is 1cm, in it
Footpath is bigger 0.5cm than the diameter for above hitting 1 cylindrical section of column, and the diameter that outside diameter is relatively large in diameter end than sleeve 4 is small 1cm, to ensure that second is slow
Rush pad 3 has the space of enough deformations in loading procedure.
First cushion pad 2 is torus made of wool felt, when the second cushion pad 3 and the 3rd cushion pad 5 are
After compacting, the first cushion pad 2 and first annular support 1-1 contacts, extrude the first cushion pad 2 by first annular support 1-1, adjust
Hit on section loading stress and load time that column 1 is delivered to sample 7, the 3rd pulse of formation, in the present embodiment, the first cushion pad
2 thickness are 1cm, and the diameter that internal diameter is relatively large in diameter end than sleeve 4 is big 0.5cm, and outside diameter is smaller 1cm than the outside diameter of sleeve 4, to ensure
One cushion pad 2 has the space of enough deformations in loading procedure.
The application method and operation principle of the present invention is as follows：The continuous multiple-pulse load loading experimental apparatus of explosive loading is installed
Each component, and first annular support 1-1 and the second annular brace 1-3 is spaced respectively with the first cushion pad 2 and the second cushion pad 3
The spacing distance of certain distance, first annular support 1-1 and the first cushion pad 2 should be equal with the second cushion pad 3 and the 3rd cushion pad 5
It is equal to be compacted the total height variable quantity of rear second cushion pad, 3 and the 3rd cushion pad 5, and the second annular brace 1-3 and second is slow
Rush the spacing distance of pad 3 should be compacted with the 3rd cushion pad 5 rear 3rd cushion pad 5 high variable quantity it is equal；Package unit fills
After matching somebody with somebody, it is placed on fixed platform, column 1 is hit using being hit using the object quickly moved, it is right by above hitting column 1
3rd cushion pad 5 and sample 7 apply axial compressive stress, since 5 compressibility of the 3rd cushion pad is strong, therefore are acted in axial stress
Under, the 3rd cushion pad 5 is compacted first, so as to produce first pressure pulse to sample 7, can simulate Qinzhou harbor intrusion first layer
Soil layer；After the 3rd cushion pad 5 is compacted, the second annular brace 1-3 is just contacted with the second cushion pad 3, in the second annular branch
Under the action of supportting 1-3, the second cushion pad 3 is compressed, so that second pressure pulse is formed to sample, due to the second cushion pad 3
Intensity be higher than the 3rd cushion pad 5, therefore the intensity of second pressure pulse is better than first pressure pulse, can simulate Qinzhou harbor
Thickness of being unearthed enters cemented rock layer；After the second cushion pad 3 is compacted, under the action of axial force, above hit column 1 to continue to
Lower movement, can form stress concentration point, so as to cut the second annular brace 1-3 at second annular groove 1-4；When the second buffering
After pad 3 is compacted, first annular support 1-1 is just contacted with the first cushion pad 2, at this time since the intensity of the second cushion pad 3 is high
In the first cushion pad 2, therefore the process that the first cushion pad 2 is compacted by first annular support 1-1, it is actually second pressure pulse
The process of unloading, enters discrete material layer after can simulating Qinzhou harbor pulp building block rock layers；Similarly, when the first cushion pad 2 is compacted
Afterwards, under the action of axial force, above hitting column 1 will continue to move downward, and can form stress concentration at first annular groove 1-2
Point, so as to cut first annular support 1-1, axial stress will bear directly against sample 6 at this time, produce the pressure arteries and veins of a bigger
Punching, enters reinforced concrete floor after can simulating penetration pop-up discrete material layer.The peak stress of pressure pulse and action time can
, to adjust, and to be remembered by the first cushion pad 2, the thickness of the second cushion pad 3 and the 3rd cushion pad 5 and material by sensor 9
Record each pressure pulse signal.
The continuous multiple-pulse load loading experimental apparatus of explosive loading of the present invention can carry out explosive test specimen continuous more
Impulse load loads, and each pulse loading stress peak value and load time can effectively control, and can more really simulate warhead
Service Environment during explosive loading penetration stratification target, and then scientific evaluation its overload-resistant security.
Claims (4)
1. a kind of continuous multiple-pulse load loading experimental apparatus of explosive loading, including above hit column (1), the first cushion pad (2), second
Cushion pad (3), sleeve (4), the 3rd cushion pad (5), in hit column (6), sample (7), under hit column (8) and sensor (9), wherein,
On hit column (1) be with it is first annular support (1-1) and the second annular brace (1-3) steel solid cylinder, and with sleeve (4)
Internal diameter it is larger one end connection, it is described on hit column (1) be higher by the ratio between length and its total length of sleeve (4) end face part be 1:2
~3, the diameter of first annular support (1-1) is compared with sleeve (4) small 1~1.5cm of outside diameter, the diameter ratio of the second annular brace (1-3)
The spacing of sleeve (4) internal diameter 0.5~1cm small compared with the diameter of big end, first annular support (1-1) and the second annular brace (1-3)
Length that should be larger section than sleeve (4) internal diameter with the sum of the thickness of the second annular brace (1-3) grows 0.5~1cm；The sleeve
(4) it is machined with the steel cylinder body of step through-hole for inside, the ratio between the length of the big one end of sleeve (4) internal diameter and its total length are
1：3, the ratio between internal diameter and outside diameter of internal diameter small end are 1：3~4, internal diameter is 1 compared with the ratio between the internal diameter of big end and outside diameter:1.5~2,
Sleeve (4) less part of internal diameter be sequentially installed with the second cushion pad (3), the 3rd cushion pad (5), in hit column (6), sample (7)
Column (8) is hit with；First cushion pad (2) is installed on sleeve (4) close to the end for above hitting column (1) one end；Under hit column (8) away from upper
The one end for hitting column (1) is provided with sensor (9)；On hit column (1) cylindrical section, in hit column (6), sample (7) and under to hit column (8) equal
The equal and H9/g8 clearance fits with the internal diameter of sleeve (4) less one end of internal diameter.
2. the continuous multiple-pulse load loading experimental apparatus of explosive loading as claimed in claim 1, it is characterised in that described first
The internal diameter of cushion pad (2) is relatively large in diameter the diameter about 0.5cm at end than sleeve (4), and outside diameter is smaller by 1 than the outside diameter of sleeve (4)~
1.5cm。
3. the continuous multiple-pulse load loading experimental apparatus of explosive loading as claimed in claim 1, it is characterised in that described second
Diameter about 0.5cm of the internal diameter of cushion pad (3) than above hitting column (1) cylindrical section, outside diameter are relatively large in diameter the diameter at end than sleeve (4)
Small 1~1.5cm.
4. the continuous multiple-pulse load loading experimental apparatus of explosive loading as claimed in claim 1, it is characterised in that described the 3rd
The diameter of cushion pad (5) is smaller 1~1.5cm than the diameter of sleeve (4) diameter small end.
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106018464B (en) * | 2016-05-13 | 2018-10-12 | 西安近代化学研究所 | A kind of explosive loading penetration stability evaluation method based on equivalent model experiment |
| CN109187913B (en) * | 2018-08-28 | 2021-05-18 | 西安近代化学研究所 | Simple testing device for cylinder test |
| CN109490106B (en) * | 2018-11-19 | 2021-05-18 | 西安近代化学研究所 | Device for measuring stress of end face of explosive column under low-speed impact loading |
| CN109406385B (en) * | 2018-12-14 | 2023-12-01 | 中国工程物理研究院流体物理研究所 | Invasive loading device suitable for cylindrical explosive substitute material |
| CN110530787B (en) * | 2019-09-05 | 2022-05-24 | 西安近代化学研究所 | Explosive stress testing device based on multiple pulse tests |
| CN113030425B (en) * | 2021-02-01 | 2023-01-03 | 中北大学 | Explosive stability evaluation experimental device for equivalent simulation projectile penetration steel target |
| CN113848132B (en) * | 2021-09-23 | 2023-07-04 | 中国工程物理研究院流体物理研究所 | Long pulse width multi-pulse loading test device based on gunpowder driving |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103322869A (en) * | 2013-05-20 | 2013-09-25 | 西安近代化学研究所 | Missile body charge friction environment simulating device |
| CN103344405A (en) * | 2013-07-02 | 2013-10-09 | 哈尔滨工业大学 | Cylindrical non-explosive-type underwater explosive shock wave equivalent load experiment device |
| CN104034505A (en) * | 2014-06-04 | 2014-09-10 | 南京理工大学 | Test system and test method for underwater explosion impact equivalent loading experiment |
| CN104316667A (en) * | 2014-09-18 | 2015-01-28 | 西安近代化学研究所 | Projectile charge compression environment simulation test device |
| CN104481735A (en) * | 2014-09-19 | 2015-04-01 | 中国航天科工集团第六研究院二一○所 | Pulse trigger |
| CN104535439A (en) * | 2015-01-09 | 2015-04-22 | 西安近代化学研究所 | Double-pulse-load loading test device |
-
2015
- 2015-10-23 CN CN201510697886.4A patent/CN105300875B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103322869A (en) * | 2013-05-20 | 2013-09-25 | 西安近代化学研究所 | Missile body charge friction environment simulating device |
| CN103344405A (en) * | 2013-07-02 | 2013-10-09 | 哈尔滨工业大学 | Cylindrical non-explosive-type underwater explosive shock wave equivalent load experiment device |
| CN104034505A (en) * | 2014-06-04 | 2014-09-10 | 南京理工大学 | Test system and test method for underwater explosion impact equivalent loading experiment |
| CN104316667A (en) * | 2014-09-18 | 2015-01-28 | 西安近代化学研究所 | Projectile charge compression environment simulation test device |
| CN104481735A (en) * | 2014-09-19 | 2015-04-01 | 中国航天科工集团第六研究院二一○所 | Pulse trigger |
| CN104535439A (en) * | 2015-01-09 | 2015-04-22 | 西安近代化学研究所 | Double-pulse-load loading test device |
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