CN109323938A - A kind of multistage bullet automatic Loading emitter applied to Hopkinson pressure bar - Google Patents
A kind of multistage bullet automatic Loading emitter applied to Hopkinson pressure bar Download PDFInfo
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- CN109323938A CN109323938A CN201811403292.8A CN201811403292A CN109323938A CN 109323938 A CN109323938 A CN 109323938A CN 201811403292 A CN201811403292 A CN 201811403292A CN 109323938 A CN109323938 A CN 109323938A
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- 238000010992 reflux Methods 0.000 claims abstract description 60
- 238000012360 testing method Methods 0.000 claims abstract description 12
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- 239000005060 rubber Substances 0.000 claims description 13
- 238000009825 accumulation Methods 0.000 claims description 2
- 230000004323 axial length Effects 0.000 claims description 2
- 239000000565 sealant Substances 0.000 claims 1
- 239000003245 coal Substances 0.000 abstract description 2
- 210000004209 hair Anatomy 0.000 description 14
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
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- 238000010276 construction Methods 0.000 description 1
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- 230000018109 developmental process Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/313—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by explosives
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/001—Impulsive
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of multistage bullet automatic Loading emitter applied to Hopkinson pressure bar, including emitter, transmitting pipeline, reflux line, thrustor, calutron, loading devices.Emitter and transmitting tube are fixed in orbit by support, transmitting pipeline is connected to reflux line, thrustor and calutron are fixed in reflux line, loading device is connected with reflux line, a certain number of bullets are put into loading device when use, first bullet is packed into transmitting pipeline using calutron driving thrustor when first used, then when first bullet emits under the high pressure thrust that emitter generates, a part of high pressure draught enters reflux line, and drive thrustor that second bullet is pushed into transmitting pipeline, so on circulate, realize the automatic Loading of multistage bullet.The present apparatus is safe and reliable, easy to operate, can realize as needed and apply repeat impact to test specimen, presses with can be used to simulate the repeat impact of coal mine generation, in port engineering phenomena such as the circulation impact of wave.
Description
Technical field
The invention belongs to Hopkinson pressure bar field, especially a kind of multistage bullet applied to Hopkinson pressure bar is automatic
Load emitter.
Background technique
With the continuous expansion and development of engineering construction field, many engineering structures need to resist such as in use
The effect of the dynamic loads such as earthquake, explosion.From 1949, Hopkinson compression bar was become separate type first and is used to grind by Kolsky
Material is studied carefully after the dynamic mechanical behavior under high strain-rate, and split hopkinson press bar (SHPB) is widely used material
In the test experiments of dynamic property.Traditional split hopkinson press bar test macro is by emitter, incident bar, transmission
The composition such as bar, high dynamic strain indicator emits a bullet by emitter when carrying out impact test every time and hits to incident bar
It hits, incidence wave is generated in incident bar and propagates to test specimen.However conventional Hopkinson pressure bar system general used at present
Suitable for carrying out single-impact load to test specimen, if necessary to test mechanical property of the test specimen under repeat impact, then this is needed
Bullet is pushed back into transmitting position along transmitting pipeline manually after secondary bullet battery has fired, time-consuming and laborious, test efficiency is low.
Structure needs to bear the impact load of continuous several times in many cases at present, such as the impact frequently occurred in coal mine
Effect on crustalstress has the characteristics that repeat impact, and the structures of seashore need to be subjected to the repeat impact effect of wave in port engineering,
Impactor itself also will receive the percussion of continuous several times during use in drilling project.Patent document
201610900472.1 disclose a kind of Hopkinson bar secondary pulse bullet, but the device can only realize secondary pulse, can not
Realize the impact of more high reps.Patent document 201610900475.5 discloses a kind of Hopkinson bar multistage ballistic projections dress
It sets, which easily occurs the tensile impact of connection chain using bullet before and after connection chain link during duplicate use
Fracture, service life are shorter.
Summary of the invention
In view of the above-mentioned problems, the object of the present invention is to provide a kind of multistage bullets applied to Hopkinson pressure bar to fill automatically
Injection device is filled in and issued, it is easy to operate, it is easy to use, it can be realized the automatic Loading of multistage bullet, test test specimen adds in repeat impact
Mechanical property under carrying.For this purpose, the technical solution adopted by the present invention is that:
A kind of multistage bullet automatic Loading emitter applied to Hopkinson pressure bar, it is characterised in that including emitter,
Transmitting pipeline, reflux line, thrustor, calutron, loading device；Emitter and transmitting tube are in-orbit by support fixation
On road, transmitting pipeline is connected to reflux line, and loading device, which has, shoots pipeline and connecting pipe, shoots pipeline and reflux line
Connection, connecting pipe connection reflux line are connected with transmitting pipeline, and thrustor is provided with goring push spring and pushing tow component, institute
Goring push spring and pushing tow component are stated in reflux line, for bullet to be pushed into connecting pipe, calutron setting is filled in pushing tow
The rear set makes goring push spring accumulation of energy for attracting pushing tow component before pushing tow bullet；The loading tube road have two hair with
The sleeping of upper bullet puts stack height.
Further, the transmitting pipeline is embedded with the first rubber buffer on the side wall at ballistic projections position,
It is equipped near nozzle in transmitting pipeline and takes bullet lid and take bullet lid flange connector.
Further, the bullet lid that takes includes the flange that semi-cylindrical top cover and two sides have bolt hole, takes bullet cover rim
The length of transmitting pipeline axial direction is greater than the length of single bullet, and two side flange of bullet lid and the flange of transmitting pipeline two sides is taken to pass through company
Connecting bolt is connected, and bullet lid can will be taken to remove when off-test, to take out the bullet in transmitting pipeline.
Further, the thrustor includes the pushing tow component and goring push spring, sealing ring, and sealing snare is pushing up
On the side wall for pushing away cylinder tail portion, the diameter of pushing tow cylinder is slightly less than the diameter of bullet, and pushing tow cylinder is fixedly connected with goring push spring, when
In a free state, pushing tow cylinder front end face is just in contact with rear end face of the bullet in reflux line goring push spring.
Further, the calutron includes circular electromagnet and current control device.
Further, the reflux line includes horizontal reflux line and vertical reflux line, and vertical reflux line connects
It connects between in the middle part of horizontal reflux line and transmitting pipeline, horizontal reflux line is hollow cylinder pipeline, and pushing tow component passes through
The sealing ring of its tail portion is slidingly sealed with horizontal reflux line.
Further, the diameter matches of the interior diameter of the horizontal reflux line and bullet are set on horizontal reflux line
There are venthole, length of the venthole away from the distance matching bullet of goring push spring front end under free state, so that in pushing tow component
Before pushing tow bullet, the venthole is in front of sealing ring, and after pushing tow component pushing tow bullet, the venthole is in close
After seal, horizontal reflux line is embedded with the second rubber buffer in the side-walls that the bullet with loading contacts.
Further, the loading device includes sealing cover, as shoot pipeline first shoots pipeline, conduct vertically
The second of connecting pipe shoots pipeline vertically, after bullet, which shoots pipeline vertically from first, to be put into, sealing cover and first is vertical
Pipeline is shot to be bolted.
Further, the described second vertical shoot is successively arranged third rubber buffer, limit from top to bottom in inner wall of the pipe
Position block, baffle, baffle are rotatable baffle, and the limited block is limit when baffle reply closing second shoots pipeline vertically
Structure, the baffle connect reset spring.
Further, the first vertical pipeline section that shoots is rectangle, the length phase of inside dimension length and bullet
Together, inside dimension width is identical as the diameter of bullet；It is rectangle, inside dimension length etc. that described second shoots pipeline section vertically
In bullet length and limit the sum of board width, inside dimension width and baffle it is of same size.
Further, the side of the baffle is connected to second by leaf hinge and shoots on the inner wall of pipeline vertically, gear
Plate periphery is equipped with sealing joint strip can shoot vertically seal for pipe joints with second.
Further, the spring is in tensional state when not falling within bullet, and the vertical component provided is greater than baffle
And the self weight of sealing joint strip, less than the sum of baffle and the self weight of bullet, to make baffle when bullet is not fallen within due to limited block
Effect be in horizontality.
Due to using technical solution of the present invention, the present invention can be applied to Hopkinson pressure bar, continuous emission bullet, and
Easy to operate, easy to use, Structure adaptation should be less likely to be damaged by force.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is A-A sectional view of the invention.
Fig. 3 is B-B sectional view of the invention.
Fig. 4 takes bullet lid structural schematic diagram for of the invention.
Fig. 5 takes bullet lid and transmitting pipeline scheme of installation for of the invention.
In figure: 1 emitter, 2 transmitting pipelines, 21 take bullet lid, 211 semi-cylindrical top covers, 212 flanges, 213 bolts hole,
214 connection bolts, 22 first buffer rubber gaskets, 31 vertical reflux lines, 32 horizontal reflux lines, 33 ventholes, 34 second rubbers
Glue cushion, 41 pushing tow cylinders, 42 sealing rings, 43 goring push springs, 51 circular electromagnet, 52 current control devices, 61 sealings
Lid, 62 bolts, 63 first shoot pipeline vertically, and 64 second shoot pipeline, 65 third rubber buffers, 66 springs, 67 limits vertically
Position block, 68 baffles, 69 sealing joint strips, 610 leaf hinges, 71 first hair bullets, 72 second hair bullets, 73 three rounds of ammunition.
Specific embodiment
Specific embodiments of the present invention are described in detail below with reference to technical solution and attached drawing.
A kind of multistage bullet automatic Loading emitter applied to Hopkinson pressure bar, including emitter 1, transmitting tube
Road 2, reflux line, thrustor, calutron, loading device.Emitter 1 and transmitting tube 2 are fixed on track by support
On, transmitting pipeline 2 is connected to reflux line, and thrustor and calutron are fixed in reflux line 3, loading device and reflux
Pipeline is connected.
The transmitting pipeline 2 is embedded with the first rubber buffer 22 on the side wall at ballistic projections position, in bullet
From shooting when pipeline is fallen vertically and play buffer function, it is equipped near nozzle in transmitting pipeline and takes bullet lid 21 and corresponding convex
Edge 23.
The bullet lid 21 that takes includes the flange 212 that semi-cylindrical top cover 211 and two sides have bolt hole 213, takes bullet lid
21 are greater than the length of single bullet along the axial length of transmitting pipeline 2, take the convex of two side flange 212 of bullet lid and transmitting pipeline two sides
Edge 23 is connected by connection bolt 214.
The thrustor includes pushing tow cylinder 41, goring push spring 43, sealing ring 42, and 42 sets of sealing ring in pushing tow cylinder
On the side wall of 41 right ends, the diameter of pushing tow cylinder 41 is slightly less than the diameter of bullet, and pushing tow cylinder 41 is solid with 43 phase of goring push spring
Even, when goring push spring 43 in a free state, 41 front end face of pushing tow cylinder just with first hair bullet 71 in horizontal return pipe
Rear end face in road 32 is in contact.
Reflux line includes vertical reflux line 31, horizontal reflux line 32.The section of vertical reflux line is rectangle, water
Flat reflux line is hollow cylinder pipeline, and vertical reflux line 31 is connected to horizontal 32 rear end of reflux line and transmitting pipeline 2
Between.
The interior diameter of the horizontal reflux line 32 is identical as the diameter of bullet, and horizontal reflux line 32 is equipped with ventilation
Hole 33, stroke of the venthole 33 away from the distance matching pushing tow cylinder 41 on 43 head of goring push spring under free state, in goring push spring
43 in a free state, and venthole 33 is in the position before sealing ring 42, and in pushing tow cylinder 41 by 43 bullet of goring push spring
When moving to its limit position after out, venthole 33 is exposed to after sealing ring 42, at this point, bullet is also driven fully into following
Two shoot pipeline 64 vertically.Horizontal reflux line 32 is embedded with the second rubber buffer in the side-walls that the bullet with loading contacts
34。
The loading device includes that the vertical pipeline 63, second that shoots of sealing cover 61, first shoots pipeline 64, group vertically
After bullet is put into from the first vertical loading tube 63, sealing cover 61 is shot into pipeline 63 with first vertically and is connect by bolt 62, is made
It obtains and is known as closed space inside pipeline.First height for shooting pipeline 63 vertically is superimposed with the bullet traverse for meeting 2 hairs or more.
First shoots pipeline 63 vertically connect with the position of loading of horizontal reflux line 32, for supplementing son to horizontal reflux line 32
Bullet.Second, which shoots pipeline 64 vertically, is connected between the end of horizontal reflux line 32 and the ballistic projections position of transmitting pipeline 2, uses
In to transmitting pipeline 2 supplement bullet.
Described second vertical shoot is successively arranged third rubber buffer 65, limited block on 64 inner wall of pipeline from top to bottom
67, baffle 68, baffle 68 are rotatable baffle, and side is connected to second by leaf hinge 610 and shoots pipeline 64 vertically
On inner wall, 68 periphery of baffle is equipped with sealing joint strip 69 and is sealed with that can shoot vertically pipeline 64 with second.Limited block 67 is baffle
Position limiting structure when closing second shoots pipeline 64 vertically is replied, the baffle 68 connects reset spring 66.
It is rectangle that described first shoots 63 section of pipeline vertically, and inside dimension length is identical as the length of bullet, interior ruler
Very little width is identical as the diameter of bullet.It is rectangle that described second shoots 64 section of pipeline vertically, and inside dimension length is equal to son
The sum of length and 67 width of limit plate are played, inside dimension width is of same size with baffle 68.
The reset spring is in tensional state when not falling within bullet, and the vertical component provided is greater than baffle 68 and close
The self weight of seal strip 69, less than the sum of baffle and the self weight of bullet, to make baffle 68 when bullet is not fallen within due to limited block
67 effect is in horizontality.
The calutron pushes away cylinder 41 and compresses goring push spring 43 with this for ceiling, after contacting suction, pushing tow circle
Bullet 71 is shot position push-in second from horizontal reflux line 32 and shot vertically by column 41 by the elastic force ejection of goring push spring 43
Then pipeline 64 is retracted by goring push spring 43, to continue to shoot.
The first hair bullet 71, second is sent out into bullet 72 first when use, three rounds of ammunition 73 are sequentially placed into the first vertical dress
Bomb tube road 63, the horizontal reflux line 32 that the first hair bullet 71 is in bottom shoot position, then shoot pipeline 63 vertically first
Upper cover top cover labyrinth 61, sealing cover 61 shoots pipeline 63 with first vertically and is connect by bolt 62, so that referred to as close inside pipeline
The space closed.Subsequent start-up current control device 52 attracts pushing tow cylinder 41 to move backward centainly using circular electromagnet 51
Distance, compress goring push spring 43, be then turned off current control device 52, the thrust that pushing tow cylinder 41 is provided in goring push spring 43
Effect is lower to be moved forward, and the first hair bullet 71 push-in second is shot in pipeline 64 vertically, the tail portion of pushing tow cylinder 41 is close at this time
Venthole 33 is passed through in seal 42, and venthole 33 is deflated, and pushing tow cylinder 41 starts resetting movement backward, when pushing tow cylinder 41 returns
The second hair bullet 72 is fallen when returning original position, the front end face contact with pushing tow cylinder 41.First hair bullet 71 is in horizontal reflux line
32 collide during high-speed motion forward with third rubber buffer 65, then decline.First hair bullet 71 is in decline process
Middle baffle 68 is rotated by leaf hinge 610, is then fallen into transmitting pipeline 2.
Due to the effect of limited block 67 and sealing joint strip 69, bullet is sent out by first using the draught head that emitter 1 generates
71 launch along transmitting pipeline 2, first hair bullet 71 during transmitting pipeline 2 travels forward, a part of air-flow into
Enter vertical reflux line 31, so that pushing tow cylinder 41 be pushed to move downward again, pushes the second hair bullet 72 to the second vertical dress
Bomb tube 64 moves, and repeats the above process, and finally falls into and prepares transmitting in transmitting pipeline 2, then repeats the above process, third hair
Bullet 73 will go out according to identical procedure transmission.The length of transmitting pipeline meets the summation for shooting quantum bullet length.
Bullet lid 21 will be taken to remove when after the test, backing out connection bolt 214, it then can be by the bullet in transmitting pipeline 2
It takes out.
Above is only a specific embodiment of the present invention, but structure feature of the invention is not limited thereto, Ren Heben
Within the field of the present invention, made changes or modifications all cover within the protection scope of the present invention the technical staff in field.
Claims (12)
1. a kind of multistage bullet automatic Loading emitter applied to Hopkinson pressure bar, it is characterised in that filled including transmitting
It sets, transmitting pipeline, reflux line, thrustor, calutron, loading device；Emitter and transmitting tube are fixed by support
In orbit, transmitting pipeline is connected to reflux line, and loading device, which has, shoots pipeline and connecting pipe, shoots pipeline and reflux
Pipeline connection, connecting pipe connection reflux line are connected with transmitting pipeline, and thrustor is provided with goring push spring and pushing part
Part, the goring push spring and pushing tow component are in reflux line, and for bullet to be pushed into connecting pipe, calutron setting is being pushed up
The rear of pushing device makes goring push spring accumulation of energy for attracting pushing tow component before pushing tow bullet；The loading tube road has two
Sending out the sleeping of bullet above puts stack height.
2. a kind of multistage bullet automatic Loading emitter applied to Hopkinson pressure bar according to claim 1,
Be characterized in that: the transmitting pipeline is embedded with the first rubber buffer on the side wall at ballistic projections position, in transmitting tube
Road is nearby equipped with close to nozzle and takes bullet lid and take bullet lid flange connector.
3. a kind of multistage bullet automatic Loading emitter applied to Hopkinson pressure bar according to claim 2,
Be characterized in that: the bullet lid that takes includes the flange that semi-cylindrical top cover and two sides have bolt hole, takes and plays cover rim transmitting pipeline
Axial length is greater than the length of single bullet, and two side flange of bullet lid and the flange of transmitting pipeline two sides is taken to pass through connection bolt phase
Even, bullet lid can will be taken to remove when off-test, to take out the bullet in transmitting pipeline.
4. a kind of multistage bullet automatic Loading emitter applied to Hopkinson pressure bar according to claim 1,
Be characterized in that: the thrustor includes the pushing tow component and goring push spring, sealing ring, seals snare in pushing tow cylinder tail
On the side wall in portion, the diameter of pushing tow cylinder is slightly less than the diameter of bullet, and pushing tow cylinder is fixedly connected with goring push spring, works as goring push spring
In a free state, pushing tow cylinder front end face is just in contact with rear end face of the bullet in reflux line.
5. a kind of multistage bullet automatic Loading emitter applied to Hopkinson pressure bar according to claim 1,
Be characterized in that: the calutron includes circular electromagnet and current control device.
6. a kind of multistage bullet automatic Loading emitter applied to Hopkinson pressure bar according to claim 1,
Be characterized in that: the reflux line includes horizontal reflux line and vertical reflux line, and vertical reflux line is connected to level
Between in the middle part of reflux line and transmitting pipeline, horizontal reflux line is hollow cylinder pipeline, and pushing tow component passes through its tail portion
Sealing ring is slidingly sealed with horizontal reflux line.
7. a kind of multistage bullet automatic Loading emitter applied to Hopkinson pressure bar according to claim 6,
Be characterized in that: the interior diameter of the horizontal reflux line and the diameter matches of bullet, horizontal reflux line are equipped with venthole,
Venthole away under free state goring push spring front end distance matching bullet length so that pushing tow component pushing tow bullet it
Before, the venthole is in front of sealing ring, and after pushing tow component pushing tow bullet, the venthole is in after sealing ring,
Horizontal reflux line is embedded with the second rubber buffer in the side-walls that the bullet with loading contacts.
8. a kind of multistage bullet automatic Loading emitter applied to Hopkinson pressure bar according to claim 1,
Be characterized in that: the loading device includes sealing cover, as shoot pipeline first shoots pipeline, as connecting pipe vertically
Second shoot pipeline vertically, after bullet, which shoots pipeline vertically from first, to be put into, sealing cover vertical is shot into pipeline with first
It is bolted.
9. a kind of multistage bullet automatic Loading emitter applied to Hopkinson pressure bar according to claim 8,
Be characterized in that: the described second vertical shoot is successively arranged third rubber buffer, limited block, gear from top to bottom in inner wall of the pipe
Plate, baffle are rotatable baffle, and the limited block is position limiting structure when baffle reply closing second shoots pipeline vertically, institute
State baffle connection reset spring.
10. a kind of multistage bullet automatic Loading emitter applied to Hopkinson pressure bar according to claim 8,
Be characterized in that: it is rectangle that described first shoots pipeline section vertically, and inside dimension length is identical as the length of bullet, inside dimension
Width is identical as the diameter of bullet；It is rectangle that described second shoots pipeline section vertically, and it is long that inside dimension length is equal to bullet
Degree and limit the sum of board width, inside dimension width and baffle it is of same size.
11. a kind of multistage bullet automatic Loading emitter applied to Hopkinson pressure bar according to claim 9,
Be characterized in that: the side of the baffle is connected to second by leaf hinge and shoots on the inner wall of pipeline vertically, and baffle perimeter is set
There is sealing joint strip so that seal for pipe joints can be shot vertically with second.
12. a kind of multistage bullet automatic Loading emitter applied to Hopkinson pressure bar according to claim 9,
Be characterized in that: for the spring when not falling within bullet in tensional state, the vertical component provided is greater than baffle and sealant
The self weight of item, less than the sum of baffle and the self weight of bullet, so that baffle be made to make use due to limited block when bullet is not fallen within
In horizontality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811403292.8A CN109323938B (en) | 2018-11-23 | 2018-11-23 | Multi-stage bullet automatic loading and launching device applied to Hopkinson pressure bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811403292.8A CN109323938B (en) | 2018-11-23 | 2018-11-23 | Multi-stage bullet automatic loading and launching device applied to Hopkinson pressure bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109323938A true CN109323938A (en) | 2019-02-12 |
| CN109323938B CN109323938B (en) | 2024-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811403292.8A Active CN109323938B (en) | 2018-11-23 | 2018-11-23 | Multi-stage bullet automatic loading and launching device applied to Hopkinson pressure bar |
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| CN (1) | CN109323938B (en) |
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| CN112539992A (en) * | 2020-12-02 | 2021-03-23 | 山东科技大学 | Hopkinson pressure bar experiment multistage pulse loading device and experiment method thereof |
| CN112857143A (en) * | 2020-12-31 | 2021-05-28 | 上海工程技术大学 | Automatic bullet-taking and bullet-loading device |
| CN116818563A (en) * | 2023-06-20 | 2023-09-29 | 天津大学 | Experimental device based on hopkinson pole |
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|---|---|---|---|---|
| CN112539992A (en) * | 2020-12-02 | 2021-03-23 | 山东科技大学 | Hopkinson pressure bar experiment multistage pulse loading device and experiment method thereof |
| CN112857143A (en) * | 2020-12-31 | 2021-05-28 | 上海工程技术大学 | Automatic bullet-taking and bullet-loading device |
| CN116818563A (en) * | 2023-06-20 | 2023-09-29 | 天津大学 | Experimental device based on hopkinson pole |
| CN116818563B (en) * | 2023-06-20 | 2024-03-08 | 天津大学 | Experimental device based on hopkinson pole |
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| CN109323938B (en) | 2024-02-20 |
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