CN117553632A - Test bullet and test method thereof - Google Patents
Test bullet and test method thereof Download PDFInfo
- Publication number
- CN117553632A CN117553632A CN202310930087.1A CN202310930087A CN117553632A CN 117553632 A CN117553632 A CN 117553632A CN 202310930087 A CN202310930087 A CN 202310930087A CN 117553632 A CN117553632 A CN 117553632A
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- Prior art keywords
- test
- bullet
- test bullet
- water
- launching
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Links
- 238000012360 testing method Methods 0.000 title claims abstract description 218
- 238000010998 test method Methods 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 238000000034 method Methods 0.000 claims abstract description 27
- 230000003139 buffering effect Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 20
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 238000010304 firing Methods 0.000 claims description 3
- 238000009863 impact test Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000036544 posture Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 4
- 238000007598 dipping method Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 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
- 238000004891 communication Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000035485 pulse pressure Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B30/00—Projectiles or missiles, not otherwise provided for, characterised by the ammunition class or type, e.g. by the launching apparatus or weapon used
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B35/00—Testing or checking of ammunition
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B35/00—Testing or checking of ammunition
- F42B35/02—Gauging, sorting, trimming or shortening cartridges or missiles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
Abstract
The application discloses test bullet, test bullet includes: the bullet support is used for driving and guiding the bullet body to move, and the first end of the bullet support is provided with a debugging part which is used for debugging the total mass of the test bullet so that the launching speed of the test bullet meets the target requirement; the bottom support is used for connecting the bullet support and the bullet head, and a sensor is arranged in the bottom support and used for detecting the launching speed of the test bullet in the launching process of the test bullet; the bullet is provided with a buffer part which is arranged on the outer surface of the bullet and used for buffering the pressure overload of the bullet in the process of launching the test bullet. Meanwhile, the test method of the test cartridge is also disclosed, and the accuracy and efficiency of the water inlet test of ammunition can be improved.
Description
Technical Field
The application relates to a test bullet and a test method thereof.
Background
Due to the high water-entering speed of the air-drop ammunition, an instant pulse pressure with a very high peak value is formed on a water-dipping part when the air-drop ammunition is contacted with the water surface, and the whole ammunition can be subjected to overload with a large amplitude in the subsequent water-dipping stage. The peak pressure on the impact water surface can cause shell failure at the warhead part, and destroy the head part and the damage caused by the propagation of stress waves in the structure; high overload in the water intrusion phase can cause damage to the overall structure and loosening and electrical failure of internal components, ultimately disabling the ammunition.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a test cartridge and a test method thereof.
The technical scheme of the application is realized as follows:
according to an aspect of the present application, there is provided a test cartridge comprising:
the bullet support is used for driving and guiding the bullet body to move, and the first end of the bullet support is provided with a debugging part which is used for debugging the total mass of the test bullet so that the launching speed of the test bullet meets the target requirement;
the bottom support is used for connecting the bullet support and the bullet head, and a sensor is arranged in the bottom support and used for detecting the launching speed of the test bullet in the launching process of the test bullet;
the bullet is provided with a buffer part which is arranged on the outer surface of the bullet and used for buffering the pressure overload of the bullet in the process of launching the test bullet.
In the above aspect, the debugging section includes:
the first cavity is internally provided with a plurality of metal pieces, and the number of the metal pieces is related to the total mass of the test bullet;
the sealing cover is arranged at the cavity opening of the first cavity and is used for sealing the first cavity.
In the above scheme, the collet includes:
the first cover body is provided with a groove, and the sensor is arranged in the groove;
and the second cover body is connected with one end of the first cover body, which is provided with the groove, and is used for sealing the groove.
In the above scheme, still be provided with on the second lid:
the wire outlet hole is used for allowing a connecting wire between the sensor and the oscilloscope to pass through;
and the water sealing piece is arranged in the wire outlet hole and used for sealing and reinforcing the wire outlet hole.
In the above aspect, the diameter of the buffer portion is 40mm to 200mm.
In the scheme, the test bomb is a water inlet impact test bomb.
According to another aspect of the present application, there is provided a test method of a test cartridge, the test cartridge being any one of the above, the method comprising:
determining position parameters among the test bullet, the image acquisition device and the test water tank so that the position parameters meet water inlet test conditions of the test bullet;
controlling the test bullet to be emitted to the test water tank;
controlling the image acquisition device and the oscilloscope to acquire a target signal in the process of launching the test bullet based on the launching signal of the test bullet; the oscilloscope is connected with the sensor in the test bullet;
and obtaining water inlet test data generated by the test bomb towards the test water tank according to the target signal.
In the above aspect, before the controlling the test bullet to be emitted to the test water tank, the method further includes:
determining a total mass parameter of the test bullet;
when the total mass parameter meets the adjustment condition, the total mass parameter of the test bullet is adjusted through the adjustment part of the test bullet so that the launching speed of the test bullet meets the target requirement.
In the above aspect, before the controlling the test bullet to be emitted to the test water tank, the method further includes:
determining water entering posture data of the test bullet;
and adjusting the current posture of the test water tank based on the water entering posture data so that the current posture of the test water tank meets the current water entering posture of the test bullet.
In the above scheme, the water inlet test data are different according to the material of the buffer part of the test bullet.
The test bullet and the test method thereof provided by the application are the scheme for protecting the ammunition structure in the water inlet process of the ammunition by additionally arranging the buffer part for air-drop water ammunition, so that the damage of the ammunition structure due to the impact force of water when the ammunition is in water can be reduced, and the success rate and the efficiency of water inlet test of the ammunition can be obtained.
Drawings
FIG. 1 is a schematic diagram of the structural composition of a test cartridge of the present application;
FIG. 2 is a schematic structural diagram of a shoe in the present application;
FIG. 3 is a flow chart of a test method implementation of the test cartridge of the present application.
Detailed Description
The technical scheme of the application is further elaborated below with reference to the drawings in the specification and the specific embodiments.
Various combinations of the features described in the embodiments may be implemented without contradiction, for example, different embodiments may be formed by combining different features, and various possible combinations of the features in the present application are not described further to avoid unnecessary repetition.
In the description of the embodiments of the present application, unless otherwise indicated and defined, the term "connected" should be construed broadly, and for example, may be an electrical connection, may be a communication between two elements, may be a direct connection, or may be an indirect connection via an intermediary, and it will be understood by those skilled in the art that the specific meaning of the term may be understood according to the specific circumstances.
It should be noted that, the term "first\second\third" in the embodiments of the present application is merely to distinguish similar objects, and does not represent a specific order for the objects, it is to be understood that "first\second\third" may interchange a specific order or sequence where allowed. It is to be understood that the "first\second\third" distinguishing objects may be interchanged where appropriate such that the embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.
FIG. 1 is a schematic structural diagram of a test cartridge according to the present application, as shown in FIG. 1, the test cartridge includes: the bullet support 10, the bottom support 20 and the bullet 30, wherein the bullet support 10 is used for driving and guiding the bullet to move, the first end of the bullet support 10 is provided with a debugging part 101 for debugging the total mass of the test bullet, so that the launching speed of the test bullet meets the target requirement; the bottom support 20 is used for connecting the bullet support 10 and the bullet 30, and a sensor 201 is arranged in the bottom support 20 and used for detecting the launching speed of the test bullet in the launching process of the test bullet; the warhead 30 has a buffer 301 provided on an outer surface of the warhead 30 for buffering pressure overload of the warhead 30 during the firing of the test bullet.
Here, the debug unit 101 includes: the test cartridge comprises a first cavity 1011 and a sealing cover 1012, wherein a plurality of metal pieces are arranged in the first cavity 1011, and the number of the metal pieces is related to the total mass of the test cartridge; the sealing cover 1012 is disposed at the cavity opening of the first cavity 1011, and is used for sealing the first cavity 1011. For example, the sealing cover may be a sponge.
Here, in the case where the ejection speed of the test bullet is the same as the ejection speed of the last time or the last several times, it is determined that the ejection speed of the test bullet satisfies the target requirement. Since the launching speed of the test bullet has close relation with the total mass of the test bullet, in order to ensure the consistency of the loading speed of the test bullet, the number of the metal pieces can be adjusted according to the total mass of the test bullet so as to ensure that the total mass of the test bullet tested each time is the same. For example, the metal piece may be a steel ball.
Fig. 2 is a schematic structural diagram of a shoe in the present application, and as shown in fig. 2, the shoe 20 includes: a first cover 202 and a second cover 203, wherein the first cover 202 has a groove 204, and the sensor 201 is disposed in the groove 204; the second cover 203 is connected to the end of the first cover 202 having the groove 204, for sealing the groove 204. Through setting up the sensor in the recess of collet to through the lid is sealed, not only can be convenient for the dismantlement and the installation of sensor, does not influence the reuse rate of sensor moreover, reduces the change rate and the cost of sensor.
Here, the groove 204 may further have a locking portion (not shown) for locking and fixing the sensor, so as to prevent the sensor from shaking in the groove.
In this application, the second cover 203 is further provided with: a wire outlet hole 205 for passing a connection wire between the sensor 201 and an oscilloscope (not shown in the figure); a water sealing member (not shown) is disposed in the wire outlet hole 205, and is used for sealing and reinforcing the wire outlet hole 205.
The oscilloscope is not limited to the position independent of the test bullet, and may be connected to the sensor on the test bullet by a connection wire or wirelessly. Here, the emission signal of the test bullet in the emission process can be acquired through the oscilloscope and converted into image information, so that the overload change of the test bullet in the emission process can be conveniently studied.
Here, the water sealing member may be a water sealing groove, a water sealing ring, or the like, and the length thereof may be 2-4mm. The material is not limited, and may be rubber, sponge, or the like, for example.
In this application, this test bullet can be the water impact test bullet that goes into, and this bullet holds in the palm 10 full length can be 300mm, and the one end of keeping away from the warhead can have the depressed part 102 of being convenient for close gas, and its diameter can be with the internal diameter of ballistic big gun. The diameter of the buffer 301 may be 40mm to 200mm to be suitable for a ballistic gun of 40mm to 200mm caliber.
The utility model provides a test bullet, it can cushion the warhead of test bullet when test bullet water test through setting up buffer unit to can realize the structural protection to test bullet, the restriction overload peak value improves the success rate of test bullet water test.
FIG. 3 is a flowchart of a test method of the test cartridge in the present application, as shown in FIG. 3, and the method includes:
step 3001, determining position parameters among a test bullet, an image acquisition device and a test water tank so that the position parameters meet water inlet test conditions of the test bullet;
here, the method may be applied to a test bullet test apparatus including a test bullet, an image acquisition device, and a test water tank, where the test bullet may be the test bullet shown in fig. 1 and fig. 2, and the test apparatus may determine a position parameter between the test bullet, the image acquisition device, and the test water tank based on a preset layout parameter. For example, the distance between the test bomb and the test water tank can be 2m to 2.5m, and the image acquisition device is placed at one side of the test water tank, and the distance is about 3 m. At this time, the image acquisition device (such as a camera) may have a glass shield in front, and the image acquisition parameters are adjusted. For example, the number of acquisition frames per second is 5000FPS.
Step 3002, controlling the test bullet to be emitted to the test water tank;
here, the test bullet test device can control the test bullet to be emitted from the bullet cannon way to the direction of the test water tank and detect the emission signal of the test bullet.
Step 3003, controlling the image acquisition device and the oscilloscope to acquire a target signal in the process of launching the test bullet based on the launching signal of the test bullet; the oscilloscope is connected with the sensor in the test bullet;
here, the test device can trigger the image acquisition device and the oscilloscope based on the emission signal, so that the image acquisition device can acquire image information of the test bullet in the emission process of the test bullet, and the oscilloscope connected with the sensor on the test bullet can acquire an electric signal in the emission process of the test bullet, so that the electric signal is converted into an image signal, and overload change of the test bullet in the emission process can be obtained based on the image signal. Here, the oscilloscope and the sensor may be connected by a wired or wireless manner, and the position of the oscilloscope is not limited independently of the test bullet.
Step 3004, obtaining water inlet test data generated by the test bomb towards the test water tank according to the target signal.
Here, the water-in test data includes, but is not limited to, an overload peak value of the test bullet formed when it contacts the test water tank, an overload peak value of the water-intrusion stage.
In the application, the test equipment is also used for determining the total mass parameter of the test bullet before detecting the emission signal of the test bullet; and if the total mass parameter meets the adjustment condition, adjusting the total mass parameter of the test bullet by the adjustment part of the test bullet so as to enable the launching speed of the test bullet to meet the target requirement.
Here, the total mass parameter of the test bullet may be compared with the total mass parameter of the historical test bullet, and if the comparison result indicates that the total mass parameter of the test bullet is different from the total mass parameter of the historical test bullet, it is determined that the total mass parameter of the test bullet meets the adjustment condition. The total mass parameter of the test bullet can be adjusted through the test part on the test bullet so that the total mass parameter of the test bullet is the same as the total mass parameter of the historical test bullet, and the condition of the same launching speed is met.
In the application, before detecting the emission signal of the test bullet, the test device can also determine the water entering posture data of the test bullet; and adjusting the current posture of the test water tank based on the water entering posture data so that the current posture of the test water tank meets the current water entering posture of the test bullet.
Here, the test device may adjust the inlet height of the test tank based on preset water inflow posture data of the test bullet, so that the inlet center is consistent with the height of the cannon path. Thereby meeting the incident postures of the test bullets at different angles.
The material of the cushioning portion of the test cartridge is not limited herein and includes, but is not limited to, polyurethane, aluminum foam. The water inlet test data of the test bullet are different according to the material of the buffer part of the test bullet.
Here, the entry angle of this test water tank can carry out angle adjustment according to actual demand, can satisfy the overload test that experimental bullet perpendicular entering water is axial, and overload test of any other entering water angle.
Here, this test bullet test equipment can also control the test water tank and open the recovery mouth when confirming that the test bullet is gone into water test and finishes to retrieve the test bullet in the test water tank through the recovery mouth.
According to the test bullet testing method, the water inlet test of the test bullet in water inlet postures of different angles can be met, overload peak values of all stages during the water inlet test of the test bullet can be obtained, and further improvement and analysis can be carried out on the test bullet based on the overload peak values so as to improve the water inlet test success rate of the test bullet.
Through the test bullet testing method provided by the application, the test efficiency of the test bullet can be improved, the test accuracy of the test bullet can be improved, and the manual labor force is reduced.
The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes and substitutions are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A test cartridge, the test cartridge comprising:
the bullet support is used for driving and guiding the bullet body to move, and the first end of the bullet support is provided with a debugging part which is used for debugging the total mass of the test bullet so that the launching speed of the test bullet meets the target requirement;
the bottom support is used for connecting the bullet support and the bullet head, and a sensor is arranged in the bottom support and used for detecting the launching speed of the test bullet in the launching process of the test bullet;
the bullet is provided with a buffer part which is arranged on the outer surface of the bullet and used for buffering the pressure overload of the bullet in the process of launching the test bullet.
2. The test bullet of claim 1, wherein the debugging portion comprises:
the first cavity is internally provided with a plurality of metal pieces, and the number of the metal pieces is related to the total mass of the test bullet;
the sealing cover is arranged at the cavity opening of the first cavity and is used for sealing the first cavity.
3. The test bullet of claim 1, wherein the shoe comprises:
the first cover body is provided with a groove, and the sensor is arranged in the groove;
and the second cover body is connected with one end of the first cover body, which is provided with the groove, and is used for sealing the groove.
4. A test bullet according to claim 3, wherein the second cover is further provided with:
the wire outlet hole is used for allowing a connecting wire between the sensor and the oscilloscope to pass through;
and the water sealing piece is arranged in the wire outlet hole and used for sealing and reinforcing the wire outlet hole.
5. The test bullet of any one of claims 1 to 4, wherein the buffer has a diameter of 40mm to 200mm.
6. The test bullet of any one of claims 1 to 4, wherein the test bullet is a water entry impact test bullet.
7. A method of testing a test cartridge, wherein the test cartridge is as claimed in any one of claims 1 to 6, the method comprising:
determining position parameters among the test bullet, the image acquisition device and the test water tank so that the position parameters meet water inlet test conditions of the test bullet;
controlling the test bullet to be emitted to the test water tank;
controlling the image acquisition device and the oscilloscope to acquire a target signal in the process of launching the test bullet based on the launching signal of the test bullet; the oscilloscope is connected with the sensor in the test bullet;
and obtaining water inlet test data generated by the test bomb towards the test water tank according to the target signal.
8. The method of claim 7, wherein prior to said controlling the firing of the test bullet to the test tank, the method further comprises:
determining a total mass parameter of the test bullet;
when the total mass parameter meets the adjustment condition, the total mass parameter of the test bullet is adjusted through the adjustment part of the test bullet so that the launching speed of the test bullet meets the target requirement.
9. The method of claim 7, wherein prior to said controlling the firing of the test bullet to a test tank, the method further comprises:
determining water entering posture data of the test bullet;
and adjusting the current posture of the test water tank based on the water entering posture data so that the current posture of the test water tank meets the current water entering posture of the test bullet.
10. The method of claim 7, wherein the water entry test data varies according to a material of the buffer portion of the test cartridge.
Priority Applications (1)
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CN202310930087.1A CN117553632B (en) | 2023-07-27 | 2023-07-27 | Test bullet and test method thereof |
Applications Claiming Priority (1)
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CN202310930087.1A CN117553632B (en) | 2023-07-27 | 2023-07-27 | Test bullet and test method thereof |
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CN117553632A true CN117553632A (en) | 2024-02-13 |
CN117553632B CN117553632B (en) | 2024-06-04 |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101519782B1 (en) * | 2014-03-26 | 2015-05-12 | 박갑선 | Bomblet unit for test that possess withdrawal and blind shell confirmation function |
CN110081783A (en) * | 2019-01-29 | 2019-08-02 | 北京理工大学 | The low damage big gun of one kind penetrates expeimental cartridge and its recovery method |
CN111795619A (en) * | 2020-07-15 | 2020-10-20 | 南京理工大学 | Gun shooting test bomb with reverse buffer and test device thereof |
CN113847842A (en) * | 2021-09-24 | 2021-12-28 | 哈尔滨工程大学 | Bullet holder capturing and bullet holder body separating device for high-speed water-entering launching equipment |
CN115540698A (en) * | 2022-10-17 | 2022-12-30 | 中国人民武装警察部队工程大学 | Impact buffering type non-lethal kinetic energy bullet with extended inner core |
CN115683548A (en) * | 2022-09-20 | 2023-02-03 | 哈尔滨工程大学 | Missile-borne equipment for enhancing stability of water-entering test data |
CN115854800A (en) * | 2022-12-14 | 2023-03-28 | 哈尔滨工程大学 | High-speed water-entering projectile body structure with elastic buffering structure and transient impact force measuring system |
CN116026197A (en) * | 2022-09-07 | 2023-04-28 | 北京理工大学 | Compressed air-based ascending ejection experimental device and experimental method |
-
2023
- 2023-07-27 CN CN202310930087.1A patent/CN117553632B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101519782B1 (en) * | 2014-03-26 | 2015-05-12 | 박갑선 | Bomblet unit for test that possess withdrawal and blind shell confirmation function |
CN110081783A (en) * | 2019-01-29 | 2019-08-02 | 北京理工大学 | The low damage big gun of one kind penetrates expeimental cartridge and its recovery method |
CN111795619A (en) * | 2020-07-15 | 2020-10-20 | 南京理工大学 | Gun shooting test bomb with reverse buffer and test device thereof |
CN113847842A (en) * | 2021-09-24 | 2021-12-28 | 哈尔滨工程大学 | Bullet holder capturing and bullet holder body separating device for high-speed water-entering launching equipment |
CN116026197A (en) * | 2022-09-07 | 2023-04-28 | 北京理工大学 | Compressed air-based ascending ejection experimental device and experimental method |
CN115683548A (en) * | 2022-09-20 | 2023-02-03 | 哈尔滨工程大学 | Missile-borne equipment for enhancing stability of water-entering test data |
CN115540698A (en) * | 2022-10-17 | 2022-12-30 | 中国人民武装警察部队工程大学 | Impact buffering type non-lethal kinetic energy bullet with extended inner core |
CN115854800A (en) * | 2022-12-14 | 2023-03-28 | 哈尔滨工程大学 | High-speed water-entering projectile body structure with elastic buffering structure and transient impact force measuring system |
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CN117553632B (en) | 2024-06-04 |
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