CN206146728U - A testing arrangement for determining energetic material impact sensitivity and friction sensitivity - Google Patents
A testing arrangement for determining energetic material impact sensitivity and friction sensitivity Download PDFInfo
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- CN206146728U CN206146728U CN201621076951.8U CN201621076951U CN206146728U CN 206146728 U CN206146728 U CN 206146728U CN 201621076951 U CN201621076951 U CN 201621076951U CN 206146728 U CN206146728 U CN 206146728U
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- energetic material
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- 238000012360 testing method Methods 0.000 title claims abstract description 90
- 230000035945 sensitivity Effects 0.000 title claims abstract description 74
- 210000003437 trachea Anatomy 0.000 claims abstract description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 13
- 238000009863 impact test Methods 0.000 claims description 12
- 210000004556 brain Anatomy 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 2
- 241001631457 Cannula Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009527 percussion 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 testing arrangement for determining energetic material impact sensitivity and friction sensitivity, including quick -witted case, servo motor, trachea, pneumatic hammer, tracheal air outlet pipe hole respectively with the airtight intercommunication of pneumatic hammer's air inlet, quick -witted bottom of the case portion right side corresponds pneumatic hammer and is equipped with the sample striking test chamber body, movable mounting hits the pole subassembly in the sample striking test chamber body, hits the post subassembly and hits the corresponding setting of pole subassembly, servo motor, lead screw, ejector pin connect gradually, are equipped with the sample friction test chamber body in the sample striking test chamber body, and movable mounting has the traveller cover in the sample friction test chamber body, and two travellers about having in the traveller cover are equipped with the energetic material friction sensitivity sample about, between two travellers, and pneumatic hammer's piston hammer block bottom is corresponding with sample friction test chamber external wall position. The utility model has the characteristics of multifunction, impact sensitivity and friction sensitivity that can while testing energetic material.
Description
Technical field
This utility model is related to energetic material impact sensitivity, friction sensitivity and determines field, more particularly to one kind for determining
The test device of energetic material impact sensitivity and friction sensitivity.
Background technology
Existing energetic material impact sensitivity all can only single pass energetic material impact sensitivity test equipment tested, it is existing
Have energetic material friction sensitivity test all can only single pass energetic material friction sensitivity test equipment tested, current hits
Hit sensitivity test equipment and friction sensitivity test equipment function is all relatively simple, a kind of equipment only has single impact sensitivity test
Or friction sensitivity test function, cause laboratory input cost high；Existing test equipment volume is larger, weight weight, and test sets
Ground anchor is adopted during standby installation, it is impossible at will mobile, it is impossible to meet testing agency's mobile test demand.
Utility model content
In place of in view of the shortcomings of the prior art, the purpose of this utility model is that offer is a kind of contains energy material for determining
The test device of material impact sensitivity and friction sensitivity, the test device can test impact sensitivity and the friction of energetic material simultaneously
Sensitivity, solves the problems, such as that existing equipment volume is big, weight weight, and saves space, is easy to carry；This utility model test dress
Put with one-machine-multi-function feature, can be used in testing energetic material impact sensitivity and friction sensitivity, saved testing cost.
The purpose of this utility model is achieved through the following technical solutions：
A kind of test device for determining energetic material impact sensitivity and friction sensitivity, including cabinet, servomotor, gas
Pipe, Pneumatic knocking hammer, the air inlet mouth of pipe of the trachea is closed with high-pressure air source to be connected, and the outlet mouth of pipe of the trachea is struck with pneumatic
The closed connection of air inlet of hammer, the Pneumatic knocking hammer are located on the right side of cabinet, and the Pneumatic knocking hammer has piston hammer body, institute
The piston hammer body for stating cabinet bottom right correspondence Pneumatic knocking hammer is provided with sample impact test cavity, in sample impact test cavity
In be movably installed with and hit bar assembly, the bar assembly of hitting hits bar with corresponding with the piston hammer body phase of Pneumatic knocking hammer, described
Hit bar assembly bottom and kept flat and hit column assembly, the column assembly that hits includes hitting column sleeve seat, hit column sleeve seat upper end and be provided with and hit column sleeve peace
Dress hole, hits hitting to be provided with column sleeve installing hole and hitting column sleeve for column sleeve seat upper end, hits axially to be provided with inside column sleeve and hit post through hole, hitting
The hitting in post through hole to overlap to be provided with up and down of column sleeve hits post, is provided with energetic material impact sensitivity sample, institute tiling between post is hit
State that to hit post corresponding with bar bottom position is hit；The cabinet bottom left is provided with servomotor, and the power of the servomotor is defeated
Go out shaft end and be fixedly connected with screw mandrel, the screw mandrel end is connected with push rod；Sample is provided with the sample impact test cavity
Thimble assembly, the specimen cannula component include sample friction testing cavity, fore-set and slide rod sleeve, the sample friction testing chamber
Body bottom is specimen cannula bottom, and the sample friction testing cavity sidepiece is specimen cannula, in sample friction testing cavity
Fore-set, slide rod sleeve are movably installed with, be there is on the fore-set spring stack, spring, one end of spring are housed in spring stack outer cover
End is fixedly connected with the spring stack of fore-set, and the other end end of spring is fixedly connected with specimen cannula bottom, the slide rod sleeve
It is engaged with fore-set and contacts, the slide rod sleeve center is provided with traveller hole, two travellers in left and right is movably installed with traveller hole, it is left
Energetic material friction sensitivity sample is provided between right two travellers, the traveller on the left side is tight with push rod through sample friction testing cavity
Close correspondence is contacted, traveller and the closely corresponding contact of fore-set left end face on the right；The piston hammer body bottom of the Pneumatic knocking hammer
It is corresponding with the sample friction testing chamber outer wall position at energetic material friction sensitivity sample position.
In order to this utility model is better achieved, the sample friction testing cavity wall is provided with knob plunger, described
Knob plunger is through sample friction testing cavity wall and the closely corresponding contact of fore-set side wall.
This utility model preferably hits bar assembly structure technology scheme：The bar assembly of hitting also includes hitting pole socket and handle
A, the handle A are connected to and hit on pole socket lateral wall, and described to hit with bar motion through hole is hit inside pole socket, the bar bottom of hitting is worn
Cross hit pole socket hit bar motion through hole and described to hit post position corresponding.
This utility model preferably hits column assembly structure technology scheme：It is described to hit the hitting on column sleeve seat lateral wall of column assembly
It is connected with handle B.
Preferably, power connector has reductor between the servomotor and screw mandrel.
In order to more intelligently realize test device of the present utility model, the cabinet is provided with industrial panel computer,
The Pneumatic knocking hammer is correspondingly provided with an electromagnetic valve A electrically connected with industrial panel computer, the outlet side of the high-pressure air source
The electromagnetic valve B electrically connected with industrial panel computer is provided with, the servomotor is electrically connected with industrial panel computer.
Further technical scheme is：In the sample impact test cavity, right side is provided with pedestal, and the sample friction is surveyed
Pressure transducer is provided between the specimen cannula bottom and pedestal of examination cavity, the pressure transducer is electrically connected with industrial panel computer
Connect.
Preferably, the cabinet bottom is base plate；Handle is respectively equipped with the cabinet two side.
The first occupation mode of the present utility model is as follows：When the impact sensitivity that energetic material is tested with this test device
When, will be equipped with energetic material impact sensitivity sample hits the designated area that column assembly is put into this test device pedestal；Start this survey
Trial assembly is postponed, and shock program is operated on industrial panel computer, completes impact sensitivity test, then will hit column assembly taking-up cleaning to do
Only it is, standby.
Second occupation mode of the present utility model is as follows：When the friction sensitivity that energetic material is tested with this test device
When, the specimen cannula component that will be equipped with energetic material friction sensitivity sample is put into the pilot region of this test device pedestal, will hit
Bar assembly is put into the designated area of this test device pedestal；After starting this test device, the actuating friction on industrial panel computer
Program, complete friction sensitivity test, then by specimen cannula component and hit bar assembly take out clean out, it is standby.
This utility model compared with the prior art, with advantages below and beneficial effect：
(1) this utility model test device can test the impact sensitivity and friction sensitivity of energetic material simultaneously, solve
Existing equipment volume is big, the problem of weight weight, and this test device size is 510x480x195mm, and its size is less, weight also phase
Should be relatively light, and save space, be easy to carry, this utility model test device has one-machine-multi-function feature, can be used in test
Energetic material impact sensitivity and friction sensitivity, have saved testing cost.
(2) this utility model test equipment both sides are provided with handle, are easy to carry；This utility model test equipment adopts gas
Move and tap hammer effect percussion device, compare transmission weight and pendulum clashes into, its structure is more simple, controls also more convenient easy reality
It is existing；Industrial panel computer of the present utility model can be arranged in real time and show operational factor and state in real time.
(3) using hydraulic pressure pattern, this utility model is added the pressurization of conventional friction sensitivity equipment using servomotor drive screw
Pressure, controls more accurate, and noise is less, volume is more compact.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of sample thimble assembly in Fig. 1；
Fig. 3 is to hit the structural representation of bar assembly in Fig. 1；
Fig. 4 is to hit the structural representation of column assembly in Fig. 1.
Wherein, it is entitled corresponding to the reference in accompanying drawing：
1- shakes hands, and 2- Pneumatic knocking hammers, 3- hit bar assembly, and 31- hits bar, and 32- hits pole socket, and 33- handle A, 4- hit
Column assembly, 41- energetic material impact sensitivity samples, 42- hit post, and 43- hits column sleeve, and 44- hits column sleeve seat, 45- handle B,
5- pedestals, 6- base plates, 7- pressure transducers, 8- specimen cannula components, 81- travellers, the examination of 82- energetic materials friction sensitivity
Sample, 83- slide rod sleeves, 84- specimen cannulas, 85- fore-sets, 86- springs, 87- specimen cannula bottoms, 88- knob plungers,
9- push rods, 10- screw mandrels, 11- electromagnetic valve A, 12- reductors, 13- servomotors, 14- cabinets, 15- industry flat board electricity
Brain, 16- tracheas.
Specific embodiment
This utility model is described in further detail with reference to embodiment：
Embodiment：
As shown in Figure 1 to 4, a kind of test device for determining energetic material impact sensitivity and friction sensitivity, including
Cabinet 14, servomotor 13, trachea 16, Pneumatic knocking hammer 2, the air inlet mouth of pipe of trachea 16 is closed with high-pressure air source to be connected, trachea
The 16 outlet mouth of pipe is closed with the air inlet of Pneumatic knocking hammer 2 to be connected, and Pneumatic knocking hammer 2 is respectively positioned on the right side of cabinet 14, pneumatic to strike
Hammer 2 is respectively provided with piston hammer body, and the piston hammer body of 14 bottom right of cabinet correspondence Pneumatic knocking hammer 2 is provided with sample impact test chamber
Body, is movably installed with sample impact test cavity and hits bar assembly 3, hits bar assembly 3 with the piston hammer with Pneumatic knocking hammer 2
Body phase is corresponding to hit bar 31, hits 3 bottom of bar assembly and has kept flat and hits column assembly 4, and hitting column assembly 4 includes hitting column sleeve seat 44, hits column sleeve
44 upper ends of seat are provided with and hit column sleeve installing hole, hit hitting to be provided with column sleeve installing hole and hitting column sleeve 43 for 44 upper end of column sleeve seat, hit column sleeve
Axially be provided with inside 43 and hit post through hole, hitting hitting to overlap to be provided with post through hole up and down and hitting post 42 for column sleeve 43, hit post 42 it
Between tiling be provided with energetic material impact sensitivity sample 41, it is described to hit post 42 31 bottom positions are corresponding with bar is hit；14 bottom of cabinet
Left side is provided with servomotor 13, and the power output shaft end of servomotor 13 is fixedly connected with screw mandrel 10, the connection of 10 end of screw mandrel
There is push rod 9；Specimen cannula component 8 is provided with sample impact test cavity, specimen cannula component 8 includes sample friction testing chamber
Body, fore-set 85 and slide rod sleeve 83, sample friction testing cavity bottom be specimen cannula bottom 87, sample friction testing cavity sidepiece
For specimen cannula 84, fore-set 85, slide rod sleeve 83 are movably installed with sample friction testing cavity, there is on fore-set 85 spring
Post, is equipped with spring 86 in spring stack outer cover, and one end end of spring 86 is fixedly connected with the spring stack of fore-set 85, spring 86
Other end end is fixedly connected with specimen cannula bottom 87, and slide rod sleeve 83 is engaged with fore-set 85 and is contacted, and 83 center of slide rod sleeve is opened
There is traveller hole, two travellers 81 in left and right are movably installed with traveller hole, energetic material are provided between the traveller 81 of left and right two and are rubbed
Rubbing feeling degree sample 82, the traveller 81 on the left side is through sample friction testing cavity and the closely corresponding contact of push rod 9, the traveller 81 on the right
With the closely corresponding contact of 85 left end face of fore-set；The piston hammer body bottom of Pneumatic knocking hammer 2 be located at energetic material friction sensitivity
Sample friction testing chamber outer wall position at 82 position of sample is corresponding.
As shown in Fig. 2 sample friction testing cavity wall is provided with knob plunger 88, knob plunger 88 passes through sample friction
Test cavity wall and the closely corresponding contact of 85 side wall of fore-set.
As shown in figure 3, hit bar assembly 3 also to include hitting pole socket 32 and handle A33, handle A33 is connected to and hits on the outside of pole socket 32
On wall, hit to have inside pole socket 32 and hit bar motion through hole, 31 bottom of bar is hit through hitting hitting bar motion through hole and hitting post for pole socket 32
42 positions are corresponding.
As shown in figure 4, hitting hitting for column assembly 4 be connected with handle B45 on 44 lateral wall of column sleeve seat.
As shown in figure 1, power connector has reductor 12 between servomotor 13 and screw mandrel 10.
As shown in figure 1, cabinet 14 is provided with industrial panel computer 15, Pneumatic knocking hammer 2 is correspondingly provided with one and is put down with industry
The electromagnetic valve A11 of the electrical connection of plate computer 15, the outlet side of high-pressure air source is provided with the electromagnetic valve electrically connected with industrial panel computer 15
B, servomotor 13 are electrically connected with industrial panel computer 15.
As shown in figure 1, right side is provided with pedestal 5, the specimen cannula of sample friction testing cavity in sample impact test cavity
Pressure transducer 7 is provided between bottom 87 and pedestal 5, the pressure transducer 7 is electrically connected with industrial panel computer 15.
As shown in figure 1,14 bottom of cabinet is base plate 6；Cabinet is respectively equipped with handle 1 on 14 two side.
The first occupation mode of the present utility model is as follows：When the impact sensitivity that energetic material is tested with this test device
When, will be equipped with energetic material impact sensitivity sample 41 hits the designated area that column assembly 4 is put into this test device pedestal 5；Start
After this test device, shock program is operated on industrial panel computer 15, complete impact sensitivity test, then column assembly 4 will be hit to take
Go out to clean out, it is standby.
Second occupation mode of the present utility model is as follows：When the friction sensitivity that energetic material is tested with this test device
When, the specimen cannula component 8 that will be equipped with energetic material friction sensitivity sample 82 is put into the pilot region of this test device pedestal 5,
Bar assembly 3 will be hit it will be put into the designated area of this test device pedestal 5；After starting this test device, on industrial panel computer 15
Actuating friction program, completes friction sensitivity test, then by specimen cannula component 8 and hit bar assembly 3 take out clean out, it is standby.
Preferred embodiment of the present utility model is these are only, it is not to limit this utility model, all in this practicality
Any modification, equivalent and improvement for being made within new spirit and principle etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (8)
1. a kind of test device for determining energetic material impact sensitivity and friction sensitivity, it is characterised in that：Including cabinet
(14), servomotor (13), trachea (16), Pneumatic knocking hammer (2), the air inlet mouth of pipe of the trachea (16) are closed with high-pressure air source
Connection, the outlet mouth of pipe of the trachea (16) is closed with the air inlet of Pneumatic knocking hammer (2) to be connected, the Pneumatic knocking hammer (2)
On the right side of cabinet (14), with piston hammer body, cabinet (14) the bottom right correspondence is pneumatic to strike the Pneumatic knocking hammer (2)
The piston hammer body of hammer (2) is provided with sample impact test cavity, is movably installed with and hits bar assembly in sample impact test cavity
(3), the bar assembly (3) of hitting hits bar (31) with corresponding with the piston hammer body phase of Pneumatic knocking hammer (2), described to hit bar assembly
(3) bottom has kept flat and has hit column assembly (4), and the column assembly (4) that hits hits column sleeve seat (44) upper end and is provided with including column sleeve seat (44) is hit
Column sleeve installing hole is hit, hitting and hitting column sleeve (43) for column sleeve seat (44) upper end is hit, column sleeve (43) is hit internal
Axially be provided with and hit post through hole, hit column sleeve (43) hit post through hole in overlap to be provided with up and down and hit post (42), hit post (42) it
Between tiling be provided with energetic material impact sensitivity sample (41), it is described that to hit post (42) corresponding with bar (31) bottom position is hit；It is described
Cabinet (14) bottom left is provided with servomotor (13), and the power output shaft end of the servomotor (13) is fixedly connected with silk
Bar (10), screw mandrel (10) end are connected with push rod (9)；Specimen cannula component is provided with the sample impact test cavity
(8), the specimen cannula component (8) includes sample friction testing cavity, fore-set (85) and slide rod sleeve (83), the sample friction
Test cavity bottom is specimen cannula bottom (87), and the sample friction testing cavity sidepiece is specimen cannula (84), in sample
Fore-set (85), slide rod sleeve (83) are movably installed with friction testing cavity, there is spring stack, in spring stack on the fore-set (85)
Outer cover is equipped with spring (86), and one end end of spring (86) is fixedly connected with the spring stack of fore-set (85), spring (86) it is another
One end end is fixedly connected with specimen cannula bottom (87), and the slide rod sleeve (83) is engaged with fore-set (85) and is contacted, the cunning
Column sleeve (83) center is provided with traveller hole, and two travellers (81) in left and right, the traveller (81) of left and right two are movably installed with traveller hole
Between be provided with energetic material friction sensitivity sample (82), the traveller (81) on the left side is through sample friction testing cavity and push rod (9)
Closely correspondence is contacted, traveller (81) and the closely corresponding contact of fore-set (85) left end face on the right；The Pneumatic knocking hammer (2)
Piston hammer body bottom and the sample friction testing chamber outer wall position phase at energetic material friction sensitivity sample (82) position
Correspondence.
2. according to the test device for determining energetic material impact sensitivity and friction sensitivity described in claim 1, its feature
It is：The sample friction testing cavity wall is provided with knob plunger (88), and the knob plunger (88) is through sample friction
Test cavity wall and the closely corresponding contact of fore-set (85) side wall.
3. according to the test device for determining energetic material impact sensitivity and friction sensitivity described in claim 1, its feature
It is：The bar assembly (3) of hitting also includes hitting pole socket (32) and handle A (33), and the handle A (33) is connected to hits pole socket (32)
On lateral wall, it is described hit to have inside pole socket (32) hit bar motion through hole, bar (31) bottom of hitting is through hitting pole socket (32)
Hit bar motion through hole and described to hit post (42) position corresponding.
4. according to the test device for determining energetic material impact sensitivity and friction sensitivity described in claim 1, its feature
It is：It is described to hit hitting for column assembly (4) and be connected with column sleeve seat (44) lateral wall handle B (45).
5. according to the test device for determining energetic material impact sensitivity and friction sensitivity described in claim 1, its feature
It is：Between the servomotor (13) and screw mandrel (10), power connector has reductor (12).
6. fill according to the test for determining energetic material impact sensitivity and friction sensitivity described in any one of Claims 1 to 5
Put, it is characterised in that：The cabinet (14) is provided with industrial panel computer (15), and the Pneumatic knocking hammer (2) is correspondingly provided with one
The individual electromagnetic valve A (11) electrically connected with industrial panel computer (15), the outlet side of the high-pressure air source are provided with and industrial flat board electricity
The electromagnetic valve B that brain (15) is electrically connected, the servomotor (13) are electrically connected with industrial panel computer (15).
7. according to the test device for determining energetic material impact sensitivity and friction sensitivity described in claim 6, its feature
It is：In the sample impact test cavity, right side is provided with pedestal (5), the specimen cannula bottom of the sample friction testing cavity
(87) pressure transducer (7) is provided with and pedestal (5) between, the pressure transducer (7) is electrically connected with industrial panel computer (15).
8. according to the test device for determining energetic material impact sensitivity and friction sensitivity described in claim 7, its feature
It is：Cabinet (14) bottom is base plate (6)；Handle (1) is respectively equipped with cabinet (14) two side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621076951.8U CN206146728U (en) | 2016-09-25 | 2016-09-25 | A testing arrangement for determining energetic material impact sensitivity and friction sensitivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621076951.8U CN206146728U (en) | 2016-09-25 | 2016-09-25 | A testing arrangement for determining energetic material impact sensitivity and friction sensitivity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206146728U true CN206146728U (en) | 2017-05-03 |
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ID=58620860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621076951.8U Active CN206146728U (en) | 2016-09-25 | 2016-09-25 | A testing arrangement for determining energetic material impact sensitivity and friction sensitivity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206146728U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442106A (en) * | 2016-09-25 | 2017-02-22 | 湖南军成科技有限公司 | Testing device for measuring impact sensitivity and friction sensitivity of energetic material |
| CN109470635A (en) * | 2018-12-17 | 2019-03-15 | 北京理工大学 | A kind of measuring system and method for energetic material friction ignition acting |
-
2016
- 2016-09-25 CN CN201621076951.8U patent/CN206146728U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442106A (en) * | 2016-09-25 | 2017-02-22 | 湖南军成科技有限公司 | Testing device for measuring impact sensitivity and friction sensitivity of energetic material |
| CN109470635A (en) * | 2018-12-17 | 2019-03-15 | 北京理工大学 | A kind of measuring system and method for energetic material friction ignition acting |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Test device for measuring impact sensitivity and friction sensitivity of energetic materials Effective date of registration: 20221215 Granted publication date: 20170503 Pledgee: Bank of Beijing Limited by Share Ltd. Changsha branch Pledgor: HUNAN JUNCHENG TECHNOLOGY Co.,Ltd. Registration number: Y2022980027686 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231215 Granted publication date: 20170503 Pledgee: Bank of Beijing Limited by Share Ltd. Changsha branch Pledgor: HUNAN JUNCHENG TECHNOLOGY Co.,Ltd. Registration number: Y2022980027686 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Test device for measuring the impact sensitivity and friction sensitivity of energetic materials Effective date of registration: 20231221 Granted publication date: 20170503 Pledgee: Bank of Beijing Limited by Share Ltd. Changsha branch Pledgor: HUNAN JUNCHENG TECHNOLOGY Co.,Ltd. Registration number: Y2023980073058 |