CN114518439A - Sample pool for testing vacuum stability of explosives and powders and testing method - Google Patents
Sample pool for testing vacuum stability of explosives and powders and testing method Download PDFInfo
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- CN114518439A CN114518439A CN202210087424.0A CN202210087424A CN114518439A CN 114518439 A CN114518439 A CN 114518439A CN 202210087424 A CN202210087424 A CN 202210087424A CN 114518439 A CN114518439 A CN 114518439A
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- 239000002360 explosive Substances 0.000 title claims abstract description 81
- 239000000843 powder Substances 0.000 title claims abstract description 33
- 238000012360 testing method Methods 0.000 title claims abstract description 20
- 238000004880 explosion Methods 0.000 claims abstract description 19
- 238000013112 stability test Methods 0.000 claims abstract description 12
- 238000003825 pressing Methods 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 7
- 238000010998 test method Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 2
- 238000005457 optimization Methods 0.000 description 8
- 230000001066 destructive effect Effects 0.000 description 6
- 238000005422 blasting Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000003721 gunpowder Substances 0.000 description 2
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/22—Fuels, explosives
- G01N33/227—Explosives, e.g. combustive properties thereof
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Abstract
The invention relates to the technical field of testing devices, in particular to a sample pool for a vacuum stability test of explosives and powders and a testing method, the sample pool comprises a base, a cross box is fixedly connected onto the base, an adjusting mechanism is connected inside the cross box, the adjusting mechanism comprises pistons, fixing sleeves, sliding blocks, springs, air holes, sliding chutes and sliding holes, four pistons are connected onto the inner wall of the cross box in a sliding manner, four fixing sleeves are fixedly connected onto the inner wall of the cross box, the sliding blocks are connected onto the four fixing sleeves in a sliding manner, the springs are fixedly connected between the four sliding blocks and the four pistons, four support columns are fixedly connected onto the base, top ends of the four support columns are fixedly connected with a top plate together, a driving mechanism is connected onto the top plate, the driving mechanism comprises an air pump and an air exhaust pipe, a placing mechanism is arranged at the bottom of the cross box, and can be used for testing the vacuum stability of the explosives and powders, and the explosion power of the explosive is buffered when the explosive is exploded.
Description
Technical Field
The invention relates to a sample cell, in particular to a sample cell for testing the vacuum stability of explosives and a testing method, and belongs to the technical field of testing devices.
Background
The explosives and powders refer to explosives and powders, which are products with explosion effect by blending flammable and explosive chemicals in a proper proportion, and are generally used in the blasting industry and field, and are generally used for blasting operation, such as blasting demolition of buildings or blasting mining of mines.
The safety of explosives and powders is one of the important attributes, such as vacuum stability, that is, the stability of explosives and powders under low pressure or vacuum condition, and the vacuum stability needs to be tested after the explosives and powders are manufactured to determine the suitable storage environment and whether the explosives and powders can be stored under low pressure or vacuum condition, and the explosive and powders have large explosive power, so that a device for conveniently carrying out vacuum stability test on the explosives and powders is needed.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a sample cell for testing vacuum stability of explosives and powders, which can test the vacuum stability of explosives and powders and can buffer the explosion force when the explosives and powders explode.
The invention realizes the aim through the following technical scheme, and the sample cell for the vacuum stability test of the explosives and the test method thereof comprise a base, wherein a cross box is fixedly connected on the base, an adjusting mechanism is connected inside the cross box, the adjusting mechanism comprises a piston, a fixed sleeve, a slide block, a spring, air holes, a slide groove and a slide hole, four pistons are connected on the inner wall of the cross box in a sliding way, four fixed sleeves are fixedly connected on the inner wall of the cross box, the slide block is connected on each fixed sleeve in a sliding way, the spring is fixedly connected between each slide block and each piston, four air holes are arranged on the cross box, the slide groove is arranged on the top of each slide block, four slide holes are arranged on the top of the cross box, the four slide holes correspond to the four slide grooves, and four support columns are fixedly connected on the base, the top of four pillars is fixedly connected with the roof jointly, is connected with actuating mechanism on the roof, actuating mechanism includes air pump and exhaust tube, the air pump is located the top of roof, fixedly connected with between air pump and the cross case the exhaust tube, the bottom of cross case is equipped with places the mechanism.
Preferably, the placing mechanism comprises a threaded column and a placing groove, the threaded column is connected to the bottom of the cross box in a threaded mode, and the placing groove is formed in the top end of the threaded column.
Preferably, the placing mechanism further comprises a rubber ring and a base plate, the base plate is fixedly connected to the bottom of the threaded column, and the rubber ring is arranged between the base plate and the threaded column.
Preferably, the driving mechanism further comprises a pressing plate and pressing rods, the pressing rods are connected to the inner portions of the four sliding grooves in a sliding mode, and the pressing plate is fixedly connected to the tops of the four pressing rods jointly.
Preferably, the driving mechanism further comprises a sliding sleeve and a sliding rod, the top of the pressing plate is fixedly connected with the sliding rod, the top plate is fixedly connected with the sliding sleeve, and the sliding rod is slidably connected inside the sliding sleeve.
Preferably, the driving mechanism further comprises a motor and a screw rod, the top of the top plate is fixedly connected with the motor, the motor is movably connected with the screw rod, and the screw rod is in threaded connection with the sliding rod.
Preferably, the driving mechanism further comprises a top hole, the top hole is formed in the top plate, and the exhaust pipe is located inside the top hole.
Preferably, the cross section of the sliding groove is in a right trapezoid shape, the bottom of the sliding groove is an inclined plane, and the four pressing rods are respectively connected to the insides of the four sliding holes in a sliding mode.
Preferably, the assay method comprises:
s1: the explosive that will carry out vacuum stability test is put on placing mechanism, will place the bottom of mechanism installation cross case through the mode of spiral, and the placing mechanism can guarantee the bottom gas tightness of cross case when putting into the cross case with the explosive.
S2: with motor and external power source electric connection, open the motor, the motor drives four depression bars after starting and pushes down to make the slider remove, and then make the piston remove, make the atmospheric pressure in the cross case reduce earlier, the atmospheric pressure in the cross case is less than outside atmospheric pressure this moment, but because there is the spring between piston and the slider, so the spring is stretched.
S3: with air pump and external power source electric connection, start the air pump, further take out the air of cross case through the exhaust tube, make the cross incasement be close to vacuum state gradually to whether the unstable condition can appear in the observation explosive.
S4: if the explosive explodes in the process that the air pressure in the cross box gradually reduces, the explosion can increase the air pressure instantly, the increased air pressure can make the pistons be far away from each other respectively, so that enough space is provided to alleviate the increase of the air pressure generated by the explosion instantly, the explosion of the explosive cannot cause larger impact force to the cross box, the cross box is not easy to be shattered, and if the explosive explodes, the vacuum stability of the explosive is better.
The invention has the beneficial effects that:
by arranging the cross-shaped box and the piston, explosives and powders can be placed in the placing groove on the threaded column, then the threaded column is arranged in the cross-shaped box through a screw, the rubber ring is propped against the bottom of the cross box, so that the air tightness of the bottom of the cross box is good, then the motor and the air pump are electrically connected with an external power supply, the motor is started, the screw rod is driven to rotate after the motor is started, the sliding rod slides downwards in the sliding sleeve by the rotation of the screw rod, thereby driving the pressing plate to move downwards and driving the four pressing rods to move downwards, driving the four sliding blocks to slide after the four pressing rods move downwards, thereby driving the spring to move, pulling the four pistons to move, reducing the air pressure in the cross-shaped box after the four pistons move, being lower than the external standard atmospheric pressure, the spring is also slightly stretched because the piston is attracted by low air pressure, i.e. the air pressure in the cross box is lower than the atmospheric pressure, and the spring is in a stretched state.
By arranging the air pump and the adjusting mechanism, in order to test the stability of the explosives and powders, after the air pump is started, the air pump gradually pumps out the air in the cross box, the air pressure in the cross box gradually decreases, whether the explosives and powders can explode under the condition that the air pressure gradually decreases and gradually approaches to vacuum is observed, if the explosives and powders do not explode, the vacuum stability of the explosives and powders is better, if the explosives and powders explode in the process of decreasing the air pressure, the instantaneous high temperature generated by explosion can enable the residual air in the cross box to expand instantly, the air pressure can be increased instantly and greatly and far exceeds the atmospheric pressure, the destructive power generated by explosion of the explosives and powders is larger at the moment, the inner wall of the cross box is easy to damage, but the piston can be forced to move due to the instantaneous increase of the air pressure, so that the original stretched spring returns to the shape, therefore, the space in the cross box can be increased, and the expanded air can be settled, thereby reduce the destructive power when the gunpowder and explosive explodes, be difficult for damaging the cross case when making it explode, whether tested the gunpowder and explosive promptly and whether can explode, also offset the power when partly exploding.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a connection structure of the top plate and the driving mechanism according to the present invention;
FIG. 3 is a schematic view showing the internal structure of the cross box according to the present invention;
FIG. 4 is a schematic view of the placement mechanism of the present invention;
FIG. 5 is a schematic view of a connection structure of the adjustment structure of the present invention;
FIG. 6 is an enlarged view of the part A shown in FIG. 2 according to the present invention.
In the figure: 1. a base; 2. a cross box; 3. an adjustment mechanism; 31. a piston; 32. fixing a sleeve; 33. a slider; 34. a spring; 35. air holes are formed; 36. a chute; 37. a slide hole; 4. a placement mechanism; 41. a threaded post; 42. a placement groove; 43. a rubber ring; 44. a chassis; 5. a pillar; 6. a top plate; 7. a drive mechanism; 71. an air pump; 72. an air exhaust pipe; 73. a top hole; 74. a motor; 75. a sliding sleeve; 76. a slide bar; 77. a screw; 78. pressing a plate; 79. a pressure lever.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a sample cell for testing vacuum stability of explosives and powders and a testing method thereof, comprising a base 1, a cross box 2 fixedly connected to the base 1, an adjusting mechanism 3 connected to the inside of the cross box 2, the adjusting mechanism 3 comprising a piston 31, a fixed sleeve 32, a slide block 33, a spring 34, an air hole 35, a slide groove 36 and a slide hole 37, four pistons 31 slidably connected to the inner wall of the cross box 2, four fixed sleeves 32 fixedly connected to the inner wall of the cross box 2, slide blocks 33 slidably connected to the four fixed sleeves 32, springs 34 fixedly connected between the four slide blocks 33 and the four pistons 31, four air holes 35 formed on the cross box 2, slide grooves 36 formed at the tops of the four slide blocks 33, four slide holes 37 formed at the top of the cross box 2, four slide holes 37 corresponding to the four slide grooves 36, four pillars 5 fixedly connected to the base 1, the top ends of the four pillars 5 are fixedly connected with a top plate 6 together, the top plate 6 is connected with a driving mechanism 7, the driving mechanism 7 comprises an air pump 71 and an air exhaust pipe 72, the air pump 71 is arranged at the top of the top plate 6, the air exhaust pipe 72 is fixedly connected between the air pump 71 and the cross box 2, the bottom of the cross box 2 is provided with a placing mechanism 4, if explosive and explosive explode in the process of air pressure reduction, the instantaneous high temperature generated by explosion can enable the residual air in the cross box 2 to expand instantly, the air pressure can be increased instantly and greatly and far exceeds the atmospheric pressure, the destructive power of the explosive and explosive explosion is larger at the moment, the inner wall of the cross box 2 is easy to damage, but the piston 31 can be forced to move due to the increase of the instantaneous air pressure, so that the original stretched spring 34 can be restored to the shape, the space in the cross box 2 can be increased, the expanded air can be placed, and the destructive power of the explosive and explosive explosion can be reduced, the cross box 2 is not easy to damage when the explosive explodes, namely whether the explosive explodes or not is tested, and partial power during explosion is also counteracted.
As a technical optimization scheme of the invention, the placing mechanism 4 comprises a threaded column 41 and a placing groove 42, the threaded column 41 is connected to the bottom of the cross box 2 in a threaded mode, and the placing groove 42 is formed in the top end of the threaded column 41.
As a technical optimization scheme of the invention, the placing mechanism 4 further comprises a rubber ring 43 and a base plate 44, the base plate 44 is fixedly connected to the bottom of the threaded column 41, the rubber ring 43 is arranged between the base plate 44 and the threaded column 41, and the rubber ring 43 is abutted against the bottom of the cross box 2, so that the air tightness of the bottom of the cross box 2 is good.
As a technical optimization scheme of the present invention, the driving mechanism 7 further includes a pressing plate 78 and pressing rods 79, the pressing rods 79 are slidably connected inside the four sliding grooves 36, and the pressing plates 78 are fixedly connected to the tops of the four pressing rods 79 together.
As a technical optimization scheme of the invention, the driving mechanism 7 further comprises a sliding sleeve 75 and a sliding rod 76, the top of the pressing plate 78 is fixedly connected with the sliding rod 76, the top plate 6 is fixedly connected with the sliding sleeve 75, and the sliding rod 76 is slidably connected inside the sliding sleeve 75.
As a technical optimization scheme of the invention, the driving mechanism 7 further comprises a motor 74 and a screw 77, the motor 74 is fixedly connected to the top of the top plate 6, the screw 77 is movably connected to the motor 74, and the screw 77 is in threaded connection with the sliding rod 76.
As a technical optimization scheme of the invention, the driving mechanism 7 further comprises a top hole 73, the top hole 73 is formed in the top plate 6, and the exhaust pipe 72 is located inside the top hole 73.
As a technical optimization scheme of the present invention, the cross section of the sliding chute 36 is a right trapezoid, the bottom of the sliding chute 36 is an inclined plane, the four pressing rods 79 are respectively slidably connected inside the four sliding holes 37, after the motor 74 is started, the screw 77 is driven to rotate, the rotation of the screw 77 causes the sliding rods 76 to slide downward in the sliding sleeves 75, and further drives the pressing plates 78 to move downward, and drives the four pressing rods 79 to move downward, and after the four pressing rods 79 move downward, the four sliding blocks 33 are driven to slide, so that the springs 34 are driven to move, and the four pistons 31 are pulled to move.
As a technical optimization scheme of the invention, the test method comprises the following steps:
s1: on placing mechanism 4 was put to the explosive that will carry out vacuum stability test, the bottom of cross case 2 was installed to placing mechanism 4 through the mode of spiral, and placing mechanism 4 can guarantee the bottom gas tightness of cross case 2 when putting into cross case 2 with the explosive.
S2: the motor 74 is electrically connected with an external power supply, the motor 74 is started, the motor 74 drives the four pressure rods 79 to press down after being started, so that the sliding block 33 moves, the piston 31 moves, the air pressure in the cross box 2 is reduced firstly, the air pressure in the cross box 2 is lower than the external air pressure at the moment, and the spring 34 is stretched due to the fact that the spring 34 is arranged between the piston 31 and the sliding block 33.
S3: the air pump 71 is electrically connected with an external power supply, the air pump 71 is started, and the air in the cross box 2 is further pumped out through the air pumping pipe 72, so that the interior of the cross box 2 is gradually close to a vacuum state, and whether the explosives and powders are unstable or not is observed.
S4: if the explosive explodes in the process of gradually reducing the air pressure in the cross box 2, the air pressure can be instantly increased in the moment of explosion, the increased air pressure can enable the pistons 31 to be respectively away from each other so as to provide enough space to relieve the instant increase of the air pressure generated by explosion, therefore, the explosion of the explosive does not cause large impact force on the cross box 2, the cross box 2 is not easy to be shattered, and if the explosive does not explode, the vacuum stability of the explosive is good.
When the invention is used, firstly, the explosives and powders are placed in the placing groove 42 on the threaded column 41, then the threaded column 41 is placed into the cross box 2 through the screw, the rubber ring 43 is abutted against the bottom of the cross box 2, so that the air tightness of the bottom of the cross box 2 is good, then the motor 74 and the air pump 71 are electrically connected with an external power supply, the motor 74 is started, after the motor 74 is started, the screw 77 is driven to rotate, the sliding rod 76 is driven to slide downwards in the sliding sleeve 75 by the rotation of the screw 77, the pressing plate 78 is driven to move downwards, the four pressing rods 79 are driven to move downwards, the four sliding blocks 33 are driven to slide after the four pressing rods 79 move downwards, so that the spring 34 is driven to move, the four pistons 31 are pulled to move, after the four pistons 31 move, the air pressure in the cross box 2 becomes small and is lower than the external standard atmospheric pressure, and the spring 34 is slightly stretched because the pistons 31 are attracted by low air pressure, namely, the air pressure in the cross box 2 is lower than the large air pressure, and the spring 34 is in a stretching state, then in order to test the stability of the explosive, the air pump 71 is started, the air pump 71 gradually pumps out the air in the cross box 2, the air pressure in the cross box 2 gradually decreases, whether the explosive explodes under the condition that the air pressure gradually decreases and gradually approaches to vacuum is observed, if the explosive does not explode, the vacuum stability of the explosive is good, if the explosive explodes in the process of the air pressure decreasing, the instantaneous high temperature generated by the explosion can make the residual air in the cross box 2 expand instantly, the air pressure can increase instantly and greatly and far exceeds the atmospheric pressure, at the moment, the destructive power of the explosive explodes is large, the inner wall of the cross box 2 is easy to be damaged, but the piston 31 is forced to move due to the instantaneous increase of the air pressure, so that the original stretched spring 34 returns to the shape, and the space in the cross box 2 can be increased, the expanded air is arranged, so that the destructive power of the explosive is reduced, the cross box 2 is not easily damaged when the explosive explodes, whether the explosive explodes or not is tested, and the power of part of the explosive is offset.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The utility model provides a sample cell for explosive vacuum stability test, includes base (1), its characterized in that: the improved cross box is characterized in that a cross box (2) is fixedly connected to the base (1), an adjusting mechanism (3) is connected to the inside of the cross box (2), the adjusting mechanism (3) comprises pistons (31), fixing sleeves (32), sliding blocks (33), springs (34), air holes (35), sliding grooves (36) and sliding holes (37), the pistons (31) are connected to the inner wall of the cross box (2) in a sliding mode, the fixing sleeves (32) are fixedly connected to the inner wall of the cross box (2), the sliding blocks (33) are connected to the four fixing sleeves (32) in a sliding mode, the springs (34) are fixedly connected between the four sliding blocks (33) and the four pistons (31), the air holes (35) are formed in the cross box (2), the sliding grooves (36) are formed in the tops of the four sliding blocks (33), the sliding holes (37) are formed in the tops of the cross box (2), four slide holes (37) are corresponding to four sliding chutes (36), four pillars (5) are fixedly connected to the base (1), a top plate (6) is fixedly connected to the top ends of the four pillars (5) jointly, a driving mechanism (7) is connected to the top plate (6), the driving mechanism (7) comprises an air pump (71) and an air exhaust pipe (72), the air pump (71) is arranged at the top of the top plate (6), the air pump (71) and the cross box (2) are fixedly connected with the air exhaust pipe (72), and a placement mechanism (4) is arranged at the bottom of the cross box (2).
2. The sample cell for the vacuum stability test of explosives and powders according to claim 1, which is characterized in that: the placing mechanism (4) comprises a threaded column (41) and a placing groove (42), the threaded column (41) is connected to the bottom of the cross box (2) in a threaded mode, and the placing groove (42) is formed in the top end of the threaded column (41).
3. The sample cell for the vacuum stability test of explosives and powders according to claim 2, characterized in that: the placing mechanism (4) further comprises a rubber ring (43) and a base plate (44), the bottom of the threaded column (41) is fixedly connected with the base plate (44), and the rubber ring (43) is arranged between the base plate (44) and the threaded column (41).
4. The sample cell for the vacuum stability test of explosives and powders according to claim 1, which is characterized in that: the driving mechanism (7) further comprises a pressing plate (78) and pressing rods (79), the pressing rods (79) are connected to the inner portions of the four sliding grooves (36) in a sliding mode, and the pressing plate (78) is fixedly connected to the tops of the four pressing rods (79) jointly.
5. The sample cell for testing the vacuum stability of explosives and powders according to claim 4, which is characterized in that: the driving mechanism (7) further comprises a sliding sleeve (75) and a sliding rod (76), the top of the pressing plate (78) is fixedly connected with the sliding rod (76), the top plate (6) is fixedly connected with the sliding sleeve (75), and the sliding rod (76) is slidably connected inside the sliding sleeve (75).
6. The sample cell for testing the vacuum stability of explosives and powders according to claim 5, which is characterized in that: the driving mechanism (7) further comprises a motor (74) and a screw rod (77), the top of the top plate (6) is fixedly connected with the motor (74), the motor (74) is movably connected with the screw rod (77), and the screw rod (77) is in threaded connection with the sliding rod (76).
7. The sample cell for the vacuum stability test of explosives and powders according to claim 1, which is characterized in that: the driving mechanism (7) further comprises a top hole (73), the top hole (73) is formed in the top plate (6), and the exhaust pipe (72) is located inside the top hole (73).
8. The sample cell for testing the vacuum stability of explosives and powders according to claim 4, which is characterized in that: the cross section of the sliding groove (36) is in a right trapezoid shape, the bottom of the sliding groove (36) is an inclined plane, and the four pressing rods (79) are respectively connected to the insides of the four sliding holes (37) in a sliding mode.
9. The method for testing a sample cell for the vacuum stability test of explosives and powders according to claim 6, which is characterized in that: the test method comprises the following steps:
s1: the explosive that will carry out vacuum stability test is put on placing mechanism (4), installs placing mechanism (4) in the bottom of cross case (2) through the mode of spiral, and placing mechanism (4) can guarantee the bottom gas tightness of cross case (2) when putting into cross case (2) with the explosive.
S2: the motor (74) is electrically connected with an external power supply, the motor (74) is started, the motor (74) drives the four pressure rods (79) to press down after being started, so that the sliding block (33) moves, the piston (31) moves, the air pressure in the cross box (2) is firstly reduced, the air pressure in the cross box (2) is lower than the external air pressure at the moment, and the spring (34) is arranged between the piston (31) and the sliding block (33), so that the spring (34) is stretched.
S3: the air pump (71) is electrically connected with an external power supply, the air pump (71) is started, and the air in the cross box (2) is further pumped out through the air pumping pipe (72), so that the interior of the cross box (2) is gradually close to a vacuum state, and whether the explosive or explosive is unstable or not is observed.
S4: if the explosive explodes in the process that the air pressure in the cross box (2) is gradually reduced, the air pressure can be instantly increased in the moment of explosion, the increased air pressure can enable the pistons (31) to be respectively away from each other so as to provide enough space to alleviate the instant increase of the air pressure generated by explosion, therefore, the explosion of the explosive does not cause large impact force on the cross box (2), the cross box (2) is not easy to be shattered, and if the explosive does not explode, the vacuum stability of the explosive is better.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210087424.0A CN114518439B (en) | 2022-01-25 | 2022-01-25 | Sample cell for testing vacuum stability of explosives and powders and test method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210087424.0A CN114518439B (en) | 2022-01-25 | 2022-01-25 | Sample cell for testing vacuum stability of explosives and powders and test method |
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| CN114518439A true CN114518439A (en) | 2022-05-20 |
| CN114518439B CN114518439B (en) | 2023-12-22 |
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