CN208520700U - A kind of penetration experiment device suitable for high speed camera shooting - Google Patents
A kind of penetration experiment device suitable for high speed camera shooting Download PDFInfo
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- CN208520700U CN208520700U CN201820929045.0U CN201820929045U CN208520700U CN 208520700 U CN208520700 U CN 208520700U CN 201820929045 U CN201820929045 U CN 201820929045U CN 208520700 U CN208520700 U CN 208520700U
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- sample holder
- aperture
- measuring device
- speed measuring
- bullet
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- 238000002474 experimental method Methods 0.000 title claims abstract description 18
- 230000035515 penetration Effects 0.000 title claims abstract description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 238000012360 testing method Methods 0.000 claims abstract description 19
- 229910052802 copper Inorganic materials 0.000 claims abstract description 17
- 239000010949 copper Substances 0.000 claims abstract description 17
- 239000013307 optical fiber Substances 0.000 claims description 8
- 239000003973 paint Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 11
- 230000003111 delayed effect Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 241000826860 Trapezium Species 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000004154 testing of material Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of penetration experiment devices suitable for high speed camera shooting, including bullet and test device；Bullet includes bullet support, body, rubber ring and copper ring thin slice；Test device successively includes gun tube, laser interrupter-type speed measuring device, baffle and sample holder；The end of gun tube is fixedly connected with laser interrupter-type speed measuring device；Baffle is equipped with the annular groove for installing steel loop, and annular groove center is equipped with aperture；Two copper sheets are symmetrically arranged on the surface of steel loop, copper sheet is connected with conducting wire respectively；Sample holder includes integrally formed upper plane, vertical plane and lower plane, and the free margins of upper plane and lower plane passes through screw respectively and installs an intermediate plate；Sample two sides are respectively equipped with camera and flash lamp；The aperture in aperture and sample holder on laser interrupter-type speed measuring device, baffle is coaxial with gun tube.The utility model can be convenient for changing body size, shape, and camera position can be adjusted realization multi-angled shooting.
Description
Technical field
The utility model belongs to Material Testing Technology field, is related to a kind of penetration experiment device, in particular to a kind of to be applicable in
In the penetration experiment device of high speed camera shooting.
Background technique
In Vehicle Engineering, war industry's technology and aerospace field, material can bear various types of shock loadings.It is impacting
Under load, the mechanical property and deformation failure models of material and it is quasi-static under the conditions of have significant difference, therefore only to material standard
The research of static mechanical property and failure mode be it is incomplete, scientists increasingly pay close attention to material dynamic mechanical and
Deformation failure models.One-stage light-gas gun experimental provision is a kind of compared with based on of study of various engineering material dynamic mechanical
Device, strain rate can achieve 106s-1, it is widely used in the dynamic loading test of material, wherein just including penetration test.
During penetration test, in order to more intuitively see the dynamic failure process of material, material is more accurately studied
The deformation failure models of material, test requirements document is also continuously improved in we.Make a general survey of pervious testing equipment, we it can be found that with
There is can only single ballistic impact sample for past test, it has not been convenient to replace unlike material, different sizes, bullet of different shapes
Body；It can not accomplish that sample clamping device precisely moves, complete precise positioning impact；Sample is to be placed directly against gun tube one end in test
, sample can be beaten by body to fly, and is unfavorable for recycling；Or clamp the fixture of the full outline border of sample, as shown in Figure 1, being unfavorable for
Side shooting, camera shooting angle are very limited.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide one kind can be convenient for changing body size,
Shape camera position can be adjusted realization multi-angled shooting, be suitable for what high speed camera was shot conducive to sample recycling
Penetration experiment device.
The purpose of this utility model is achieved through the following technical solutions: a kind of invading suitable for high speed camera shooting
Thorough experimental provision successively includes gun tube, laser interrupter-type speed measuring device, baffle and sample holder；
The end of the gun tube is fixedly connected with laser interrupter-type speed measuring device；The laser interrupter-type speed measuring device is in ring
Shape, one end are fixedly connected by screw thread with gun tube, and two groups of apertures are symmetrically equipped on the side wall of laser interrupter-type speed measuring device,
The aperture is for being inserted into optical fiber；
The annular being equipped at position corresponding with laser interrupter-type speed measuring device on the baffle for installing steel loop is recessed
Slot, annular groove center are equipped with aperture；Two copper sheets are symmetrically arranged on the surface of steel loop, copper sheet is connected with conducting wire respectively,
Conducting wire connects digital delay trigger by resistance-capacitance circuit；
The sample holder includes integrally formed upper plane, vertical plane and lower plane, and upper plane and lower plane are mutually flat
The fixation side of row, upper plane and lower plane is fixedly connected with vertical plane respectively, and the free margins of upper plane and lower plane leads to respectively
It crosses screw and one intermediate plate is installed, intermediate plate is for clamping sample；The vertical plane of sample holder is equipped with small for passing through for body
Hole；Sample holder lower plane is fixedly mounted in two axle position moving stage, and two axle position moving stage are mounted on lifting platform；
The sample two sides are respectively equipped with camera and flash lamp, and camera is connect with oscillograph；
The aperture in aperture and sample holder on the laser interrupter-type speed measuring device, baffle is coaxial with gun tube.
Further, it is symmetrically provided on the side of the laser interrupter-type speed measuring device for shifting to an earlier date the straight-through of pressure release
Square hole.Because one-stage light-gas gun uses high pressure as power source, bigger by airflow influence when body is smaller, and the device is put in
In the vacuum chamber of gun tube end, this square hole can prevent influence of the precursor gas to body for pressure release in advance, reduce test
Error.
Further, the steel loop surface is coated with nonconducting insulated paint.
Further, respectively correspondingly set that there are two location holes on the upper plane of the sample holder and lower plane, it is lower flat
Two location holes on face are used to that sample holder to be fixed on two axle position moving stage by screw, two location holes in upper plane
For installing two screws.
The beneficial effects of the utility model are: the utility model is provided for a kind of invading suitable for high speed camera shooting
Thorough experimental provision can be convenient for changing body size, shape；Sample holder is connected by two axle position moving stage and lifting platform combination,
Sample holder is adjusted, spatial position can be precisely controlled, completes precisely impact；The sample of the utility model passes through up and down
Two fixtures are fixed, and camera and flash lamp are located at sample two sides, and fixture will not stop the shooting of camera, and can be to phase
Seat in the plane, which is set, is adjusted realization multi-angled shooting；The sample holder of the utility model can be arranged to a variety of tilt angles, thus
The angle of attack for changing bullet, obtains more test datas；The sample of the utility model is clamped by fixture and far from big gun
Pipe is conducive to sample and recycles.
Detailed description of the invention
Fig. 1 is the schematic diagram of fixture and sample in existing experimental provision；
Fig. 2 is the structural representation of the test device of the penetration experiment device for being suitable for high speed camera shooting of the utility model
Figure；
Fig. 3 is the laser interrupter-type speed measuring device structural schematic diagram of the utility model；
Fig. 4 is the baffle arrangement schematic diagram of the utility model；
Fig. 5 is the steel loop and copper sheet structural schematic diagram of the utility model；
Fig. 6 is the sample holder structural schematic diagram of the utility model；
Fig. 7 is the top view of the sample holder of Fig. 6；
Fig. 8 is the sample holder top view of another embodiment of the utility model；
Fig. 9 is the camera and flash lamp position view one of the utility model；
Figure 10 is the camera and flash lamp position view two of the utility model；
Figure 11 is the bullet structure schematic diagram one of the utility model；
Figure 12 is the bullet structure schematic diagram two of the utility model；
Figure 13 is the bullet structure schematic diagram three of the utility model；
Figure 14 is the control system architecture schematic diagram of the utility model；
Figure 15 is the control system timing diagram of the utility model；
Description of symbols: 1-gun tube, 2-laser interrupter-type speed measuring devices, 3-optical fiber, 4-baffles, 5-conducting wires, 6
- copper sheet, 7-steel loops, 8-samples, 9-sample holders, 10-two displacement platforms, 11-lifting platforms, 12-cameras, 13-flashes of light
Lamp, 14-rubber rings, 15-bullet supports, 16-bodies, 17-copper ring thin slices.
Specific embodiment
The technical solution of the utility model is further illustrated with reference to the accompanying drawing.
The utility model has carried out large-scale improvement on the basis of previous equipment, can realize not in penetration experiment
Same ballistic impact, precise positioning impact, multi-angled shooting and sample recycling etc..
As shown in Fig. 2, a kind of penetration experiment device suitable for high speed camera shooting, including bullet and test device；
The bullet includes bullet support 15, body 16, rubber ring 14 and copper ring thin slice 17；15 both ends of bullet support are respectively equipped with
Groove is cased with rubber ring 14 on groove；15 one end of bullet support is stained with a copper ring thin slice 17, for triggering the copper sheet 6 on steel loop 7；
One end that bullet support 15 is stained with copper ring thin slice 17 is equipped with the aperture for installing body 16；17 center of copper ring thin slice is logical equipped with body 16
The aperture crossed；
The test device successively includes gun tube 1, laser interrupter-type speed measuring device 2, baffle 4 and sample holder 9；
The end of the gun tube 1 is fixedly connected with laser interrupter-type speed measuring device 2；The laser interrupter-type speed measuring device 2 is in
Annular, one end are fixedly connected by screw thread with gun tube 1, and two groups are symmetrically equipped on the side wall of laser interrupter-type speed measuring device 2
Aperture, for passing through for optical fiber 3, four optical fiber are inserted into respectively in the aperture of laser interrupter-type speed measuring device 2 for the aperture, are such as schemed
Shown in 3.This two beams laser can be successively blocked when bullet passes through laser interrupter-type speed measuring device 2, it is available on oscillograph
The time difference Δ T of this two beams laser is blocked, this two beams laser spacing distance is L, then can be evaluated whether that bullet velocity is L ÷ Δ T.
Such as: when optical fiber fore-and-aft clearance is 12mm on the laser interrupter-type speed measuring device of design, experiment neutron bomb is 24 μ s by the time, then
It is 500m/s that bullet velocity, which can be calculated,.
As shown in figure 4, being equipped at position corresponding with laser interrupter-type speed measuring device 2 for installing on the baffle 4
The annular groove of steel loop 7, annular groove center are equipped with aperture, and the aperture in steel loop 7 and annular groove center can allow body to wear
It crosses and stops bullet support；Two copper sheets 6 are symmetrically arranged on the surface of steel loop 7, copper sheet 5 is located at the two sides of aperture, copper
Piece 6 is connected with conducting wire respectively, as shown in figure 5, conducting wire connects digital delay trigger by resistance-capacitance circuit；Pass through number
Time-delay trigger completes the transmitting that is delayed to the signal of oscillograph, flash lamp and camera；
As shown in Figure 6 and Figure 7, the sample holder 9 includes integrally formed upper plane, vertical plane and lower plane, upper flat
Face and lower plane are parallel to each other, and the fixation side of upper plane and lower plane is fixedly connected with vertical plane respectively, upper plane and lower flat
The free margins in face installs an intermediate plate by screw respectively, and intermediate plate is for clamping sample 8；The vertical plane of sample holder 9 is equipped with
Aperture for passing through for body；9 lower plane of sample holder is fixedly mounted in two axle position moving stage 10, two axle position moving stage 10 peace
On lifting platform 11；Sample holder 9 can be precisely controlled space bit by two axle position moving stage 10 and the combination connection of lifting platform 11
It sets, completes precisely impact.For example, establishing two-dimensional coordinate on sample, accurately controls the first hair bullet and beat in coordinate (1,1)
On, the second hair bullet is beaten on coordinate (2,2), be can be used for studying the experiment difference of different shock points, is belonged to one kind of variable.
Plane and lower plane are rectangle, the body direction of motion and samples vertical on sample holder 9 in Fig. 6 and Fig. 7.This reality
It can be carried out simply processing modification tilt angle with novel sample holder, because angle of attack is also an important change of experiment
Amount, carry out after simply processing can with prefabricated arbitrary inclination, as shown in figure 8, plane and lower plane are right-angled trapezium thereon,
The prefabricated tilt angle in the free end of sample holder 9, can change the body direction of motion and sample angle relationship.Steel ball
(a kind of body) can equally fly out from subsequent hole.Rather than simple rotation, because simple rotate integrally may make steel
Pearl beat less than in subsequent hole, can get on fixture rebound to sample carry out secondary pulse, be unfavorable for experimental analysis.
The sample two sides are respectively equipped with camera and flash lamp, as shown in figure 9, camera is connect with oscillograph, for acquiring
Camera response signal, camera and oscillograph in Fig. 9 are located at the left and right sides of sample.The position of camera and flash lamp is not
Uniquely, as long as being located at the two sides of sample, it can be realized shooting, angle can voluntarily be adjusted by user, such as Figure 10
Shown, camera is located at the diagonally forward and rear ramp of sample, can shoot sample pictures from different perspectives.
Laser interrupter-type speed measuring device 2, the aperture on baffle 4 and the aperture on sample holder 9 is same with gun tube 1
Axis.
Further, it is symmetrically provided on the side of the laser interrupter-type speed measuring device 2 for shifting to an earlier date the straight of pressure release
Logical square hole.Because one-stage light-gas gun uses high pressure as power source, bigger by airflow influence when body is smaller, and the device is put
In in the vacuum chamber of gun tube end, this square hole can prevent influence of the precursor gas to body for pressure release in advance, reduce and survey
Try error.
Further, 7 surface of steel loop is coated with nonconducting insulated paint.
Further, respectively correspondingly set that there are two location holes on the upper plane of the sample holder 9 and lower plane, it is lower flat
Two location holes on face are used to that sample holder 9 to be fixed on two axle position moving stage 10 by screw, and two in upper plane are fixed
Position hole is for installing two screws.
To reach quick-replaceable body, the utility model carries body formula structure using bullet support, can slot to bullet support
Change the outfit unlike material, different sizes, body of different shapes, makes different ballistic impact tests can be complete on same light-gas gun
At；Purpose is impacted to reach precise positioning, the utility model, can using two axle position moving stage and the fixed sample holder structure of lifting platform
Facilitate and adjust sample space position, carries out precise positioning impact.To realize high speed camera multi-angled shooting, the utility model innovation
Sample holder can be realized the multi-angled shootings such as side front, positive side, side rear to a wide range of hollow out in sample side.
The bullet structure of the utility model is that bullet support carries body formula, different bodies can be very easily carried, such as 2mm steel
Pearl, 4mm steel ball, 4mm cylinder, 4mm cone, can be simply done very much in this way a variable (can be in size, can also be with
In shape) control.Observe the material deformation failure models under different variables.The bullet support 15 of the utility model can be with
It is that plastic processing forms, the metals such as aluminium, copper can be changed to according to different experimental conditions.Body 16 can also be according to different examinations
The condition of testing is replaced, and has unlike material, different shape, different size etc., as shown in Figure 11, Figure 12 and Figure 13, the bullet of Figure 11
For body using spherical, the body of Figure 12 uses cylindrical shape, the body of Figure 13 using cylindrical body in such a way that cone combines, bullet
Head is cone, and bullet bottom is cylindrical body.
The working principle of the utility model are as follows: in the utility model, the triggering mode of oscillograph, camera and flash lamp are as follows:
15 front end of bullet support carries copper ring thin slice 17, can interdict first by laser after by gun tube in the bullet support 15 for carrying body 16
Formula speed measuring device 2, bullet can cut off the circuit that optical fiber receives laser, to achieve the purpose that test the speed；Then bullet support reaches baffle
4, baffle 4 can stop bullet support 15, and body 16 is made to be detached from the directly impact sample of bullet support 15.Bullet support collides the letter on baffle
When number trigger device (copper sheet 6, steel loop 7 and conducting wire 5 form), the copper ring flakes hit of bullet support front end to the steel being embedded in baffle
When a pair of of copper sheet 6 on ring, line conduction, trigger signal is generated.The signal of generation is transmitted to number by resistance-capacitance circuit
Signal branch is passed to oscillograph, camera and flash lamp again by digital delay trigger by time-delay trigger.The utility model
Control system principle is as shown in figure 14.Wherein signal is passed to oscillograph, the acquisition of one channel of oscillograph by digital delay trigger
Trigger signal, two, triple channel acquisition tachometer signal, four-way acquire camera response signal；The digital delay after certain time-delay t
Signal is passed to flash lamp by trigger, since flash lamp can just reach most bright value by about 15 μ s, so digital delay
Signal is passed to high speed camera by the trigger 15 μ s that can be delayed again.And the t that is delayed is exactly that body leaves bullet support plus the time of 15 μ s
The time of sample is reached to body, i.e. camera can take ballistic impact sample instants, and timing diagram is shown in Figure 15.For example, when needing
When to test impact velocity be 500m/s, copper sheet 7 has a 20mm apart from sample 8, i.e., 40 μ s bodies 16 reach sample after signal triggering
Product 8.If camera shooting number only has 8, every 1us shoots one, and total used time is 8 μ s, then can be set after trigger signal
36us can start to shoot, in this way can before impingement with 4 are respectively clapped after impact.Since flash lamp needs 15 μ s can be only achieved
Most bright state, then 21 μ s flash lamps are about to begin work after signal triggering.
The utility model be suitable for high speed camera shooting penetration experiment method the following steps are included:
S1, sample is cut according to the size that user needs, and the sample of cutting is mounted on sample holder, it will
Sample holder is mounted in two axle position moving stage；
S2, the angle that camera and flash lamp are adjusted according to user demand, camera and flash lamp are located at the opposite of sample
Two sides；
S3, setting digital delay trigger, be allowed to after receiving signal complete to oscillograph, flash lamp, camera signal
Delay transmitting；Oscillograph is set, is allowed in waiting triggering state；
S4, emission bullet, bullet cut off laser circuit when passing through laser interrupter-type speed measuring device, collected laser are believed
It number is shown in the two of oscillograph, in triple channel, obtains the time difference Δ T for blocking two beam laser from oscillograph, between two beam laser
Gauge is from L is denoted as, then bullet velocity is L ÷ Δ T；
S5, bullet impact baffle, copper ring thin slice are contacted with the copper sheet on steel loop surface, so that two conducting wires are connected to be formed back
Road generates a trigger signal, and the channel that trigger signal is sent to oscillograph is shown；The trigger signal of generation passes through
Resistance-capacitance circuit is transmitted to digital delay trigger, and digital delay trigger transmits signal branch after different delayed time
To oscillograph, flash lamp, camera；
S7, camera receive the signal that digital delay trigger is sent and send response signal, the response signal to oscillograph
It is shown on the four-way of oscillograph；Oscillograph is connected with computer, and computer sends control signal control flash lamp and camera is opened
Beginning work, opens flash lamp irradiating sample, and camera collecting sample picture completes experiment.
Those of ordinary skill in the art will understand that the embodiments described herein, which is to help reader, understands this reality
With novel principle, it should be understood that the scope of the present invention is not limited to such specific embodiments and embodiments.
Those skilled in the art can be made according to the technical disclosures disclosed by the utility model it is various do not depart from it is practical
Novel substantive various other specific variations and combinations, these variations and combinations are still within the protection scope of the present invention.
Claims (4)
1. a kind of penetration experiment device suitable for high speed camera shooting, which is characterized in that including bullet and test device；
The bullet includes bullet support (15), body (16), rubber ring (14) and copper ring thin slice (17)；Bullet support (15) both ends point
Not She You groove, be cased with rubber ring (14) on groove；Bullet support (15) one end is stained with a copper ring thin slice (17)；Bullet support (15) is stained with
One end of copper ring thin slice (17) is equipped with the aperture for installing body (16)；Copper ring thin slice (17) center is equipped with body (16) and passes through
Aperture；
The test device successively includes gun tube (1), laser interrupter-type speed measuring device (2), baffle (4) and sample holder (9)；
The end of the gun tube (1) is fixedly connected with laser interrupter-type speed measuring device (2)；The laser interrupter-type speed measuring device (2)
In a ring, one end is fixedly connected by screw thread with gun tube (1), is symmetrically set on the side wall of laser interrupter-type speed measuring device (2)
There are two groups of apertures, for passing through for optical fiber (3), optical fiber is connected with oscillograph respectively for the aperture；
The ring for installing steel loop (7) is equipped on the baffle (4) at position corresponding with laser interrupter-type speed measuring device (2)
Connected in star, annular groove center are equipped with aperture；Two copper sheets (6), copper sheet (6) point are symmetrically arranged on the surface of steel loop (7)
It is not connected with conducting wire, conducting wire connects digital delay trigger by resistance-capacitance circuit；
The sample holder (9) includes integrally formed upper plane, vertical plane and lower plane, and upper plane and lower plane are mutually flat
The fixation side of row, upper plane and lower plane is fixedly connected with vertical plane respectively, and the free margins of upper plane and lower plane leads to respectively
It crosses screw and one intermediate plate is installed, intermediate plate is for clamping sample；The vertical plane of sample holder (9) is equipped with for passing through for body
Aperture；Sample holder (9) lower plane is fixedly mounted in two axle position moving stage (10), and two axle position moving stage (10) are mounted on lifting platform
(11) on；
The sample two sides are respectively equipped with camera and flash lamp, and camera is connect with oscillograph；
Laser interrupter-type speed measuring device (2), the aperture on baffle (4) and the aperture on sample holder (9) is and gun tube
(1) coaxial.
2. a kind of penetration experiment device suitable for high speed camera shooting according to claim 1, which is characterized in that described
The straight-through square hole for shifting to an earlier date pressure release is symmetrically provided on the side of laser interrupter-type speed measuring device (2).
3. a kind of penetration experiment device suitable for high speed camera shooting according to claim 1, which is characterized in that described
Steel loop (7) surface is coated with nonconducting insulated paint.
4. a kind of penetration experiment device suitable for high speed camera shooting according to claim 1, which is characterized in that described
It is respectively correspondingly set in the upper plane and lower plane of sample holder (9) there are two location hole, two location holes on lower plane are used
In sample holder (9) is fixed in two axle position moving stage (10) by screw, two location holes in upper plane are for installing two
A screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820929045.0U CN208520700U (en) | 2018-06-15 | 2018-06-15 | A kind of penetration experiment device suitable for high speed camera shooting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820929045.0U CN208520700U (en) | 2018-06-15 | 2018-06-15 | A kind of penetration experiment device suitable for high speed camera shooting |
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| Publication Number | Publication Date |
|---|---|
| CN208520700U true CN208520700U (en) | 2019-02-19 |
Family
ID=65325403
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| CN201820929045.0U Withdrawn - After Issue CN208520700U (en) | 2018-06-15 | 2018-06-15 | A kind of penetration experiment device suitable for high speed camera shooting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109001054A (en) * | 2018-06-15 | 2018-12-14 | 西南交通大学 | A kind of penetration experiment device and method suitable for high speed camera shooting |
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2018
- 2018-06-15 CN CN201820929045.0U patent/CN208520700U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109001054A (en) * | 2018-06-15 | 2018-12-14 | 西南交通大学 | A kind of penetration experiment device and method suitable for high speed camera shooting |
| CN109001054B (en) * | 2018-06-15 | 2024-01-30 | 西南交通大学 | Penetration experimental device and method suitable for high-speed camera shooting |
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