CN114136158B - Test device for detecting capability of projectile body penetrating multilayer medium - Google Patents
Test device for detecting capability of projectile body penetrating multilayer medium Download PDFInfo
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- CN114136158B CN114136158B CN202111497774.6A CN202111497774A CN114136158B CN 114136158 B CN114136158 B CN 114136158B CN 202111497774 A CN202111497774 A CN 202111497774A CN 114136158 B CN114136158 B CN 114136158B
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- box body
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- projectile
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a test device for detecting the capability of penetrating multilayer media of an elastomer, which comprises a test assembly, wherein at least two boxes are detachably connected together and used for filling the boxes with the same or different penetrating media according to test requirements; the supporting component is used for adjusting and fixing the height and the angle position of the test component; the high-speed camera is arranged on one side of the test assembly and is used for recording the landing posture and the penetration process of the projectile; the coordinate target paper is arranged in the box body of the test assembly and is used for recording the space track of the projectile; the test device for detecting the penetration capacity of the projectile body is suitable for the development of penetration tests of the projectile body under different test environments, and is convenient for effectively and accurately recording movement characteristic parameters of the projectile body.
Description
Technical Field
The invention relates to the technical field of protective structures, in particular to a test device for detecting the capability of an elastomer penetrating through multiple layers of media.
Background
The development of technologies such as precise guided weapons, earth-boring weapons, high-efficiency destructive weapons and the like in modern war brings serious challenges and realistic threats to engineering protection, and the research of projectile penetration rules and anti-penetration protection technologies has long become the hot direction of the research in the field of protection engineering, and has scientific research demands in the field of national defense engineering. The penetration test is widely adopted as a basic, scientific and objective research method, but the test preparation process is complex, is easy to be interfered by natural environment, has high risk, and has higher requirements on the accuracy of the operation of the test device, so that reasonable, convenient and scientific test design has important significance on the accuracy of the result.
The existing projectile penetration testing device is complex in structure, poor in fixing capability, inapplicable under field test conditions, incapable of testing penetration capability of various mixed media, limited in thought of protection design and practical theoretical support, limited in adjusting capability, high in projectile launching platform requirement and unfavorable for researching projectile motion parameters under different medium environments.
Disclosure of Invention
The invention aims to overcome the existing defects, provides a test device for detecting the penetration capability of a projectile body to a multilayer medium, is suitable for the development of penetration tests of the projectile body in different test environments, is convenient for effectively and accurately recording the movement characteristic parameters of the projectile body, and can effectively solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a test device for detecting the ability of a projectile to penetrate a multilayer medium, comprising:
the test assembly is detachably connected by at least two box bodies and is used for filling the same or different penetration media into the box bodies according to test requirements;
the supporting component is used for adjusting and fixing the height and the angle position of the test component;
the high-speed camera is arranged on one side of the test assembly and is used for recording the landing posture and the penetration process of the projectile;
the coordinate target paper is arranged in the box body of the test assembly and is used for recording the space track of the projectile;
the speed measuring target paper is arranged in the box body of the test assembly, is electrically connected with the speed measuring instrument and is used for measuring the speed of the projectile passing through the target paper.
As a preferred technical scheme of the invention, the test assembly comprises an incidence panel, a front end box body and at least one middle box body, wherein cover plates are arranged at the upper ends of the front end box body and the middle box body, the incidence panel is arranged at one end of the front end box body, the middle position of the incidence panel is provided with an incidence hole, connecting holes are uniformly distributed at the connecting surface of the front end box body and the middle box body, the front end box body and the middle box body are fixedly connected through bolts penetrating through the connecting holes, bullet-proof glass is symmetrically arranged at two sides of the front end box body and the middle box body, and the high-speed photographic instrument is opposite to the bullet-proof glass.
As a preferable technical scheme of the invention, the incident panel is detachably connected with the front-end box body and is used for changing the size of the incident aperture.
As a preferable technical scheme of the invention, one end of the middle box body is detachably connected with a sand box, and the sand box is used for buffering the residual speed of the pellets and recovering the pellets.
As a preferable technical scheme of the invention, a PVC soft adhesive film is arranged at the inlet of the sand box.
As a preferable technical scheme of the invention, clamping grooves are formed in two sides of the front end box body and the middle box body, a plurality of strip-shaped holes are uniformly distributed in the clamping grooves along the length direction of the clamping grooves, clamping rods are arranged in the strip-shaped holes and used for fixing coordinate target paper and speed measuring target paper, threads are arranged on the outer side faces of the upper ends of the clamping rods, and the clamping rods are connected with the cover plate through the threads.
As a preferable technical scheme of the invention, the supporting component comprises four upright posts which are distributed in four corners, the upright posts are angle steel, round holes are uniformly distributed on the upright posts, rotating shafts are symmetrically arranged on the front side and the rear side of a box body in the test component, the rotating shafts penetrate through the round holes, wedge-shaped column bases are arranged at the lower ends of the upright posts, and the upright posts are connected with the column bases through bolts and are used for adjusting the extending height of the upright posts.
As a preferable technical scheme of the invention, a top supporting rod is arranged at the top between two vertical rods positioned at the same side.
As a preferable technical scheme of the invention, the support assembly further comprises bottom support rods, the bottom support rods are angle steel, round holes are uniformly distributed on the bottom support rods, the number of the bottom support rods is three, two bottom support rods are arranged in parallel along the length direction of the same-side vertical rod, the third bottom support rods are arranged along the width direction of the same-side vertical rod, the bottom support rods are connected with the column feet through bolts, and the bottom support rods are connected with the balancing weights through bolt rods penetrating through the round holes of the bottom support rods.
As a preferable technical scheme of the invention, diagonal braces are arranged between two bottom support rods and the vertical rods, wherein the diagonal braces are angle steel, round holes are uniformly distributed on the diagonal braces, and two ends of the diagonal braces are connected with the bottom support rods and the vertical rods through bolts.
Compared with the prior art, the invention has the beneficial effects that: the test device for detecting the projectile penetration capability of the multilayer medium has compact structure, reasonable design and wide application range, can effectively and accurately record projectile motion characteristic parameters under the mixed environment of different penetration mediums, provides a design scheme of a closed penetration test environment, greatly reduces the damage of impact fragments to personnel and equipment, improves the test safety, can mix different mediums for testing by arranging a plurality of middle boxes, can be fixed according to the requirements of the inclination angle, thickness, combination mode, interlayer distance and the like of a target body, can record the projectile spatial motion track by matching with coordinate target paper, and can realize the control of the thickness of the built-in loose medium, the layering of the multilayer loose medium and the sealing of the fluid medium by matching with PVC soft adhesive film; the replaceable incidence panel is arranged, so that the adaptive incidence holes can be installed according to the shots with different calibers; through the box that corresponds in the pole setting through the pivot connection, can realize the regulation of target height, every single move angle, the fixed transmitting platform of adaptation in multiple height and angle realizes the slope transmission, and all pass through bolted connection between each structure, convenient transport and quick installation have reduced the complexity of device preparation, can replace each other between the partial structure, and this device fixed mode is according to the local condition, nimble and reliable, has solved the fixed difficult problem of device under the adverse circumstances such as open-air, has improved convenient to use greatly.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the front end housing;
FIG. 3 is a schematic view of the structure of the intermediate tank;
FIG. 4 is a schematic structural view of a flask;
FIG. 5 is a schematic view of a structure of a support assembly;
FIG. 6 is a schematic diagram of a counterweight connection;
FIG. 7 is a schematic representation of the penetration of the multi-layer dispersion medium in example 1;
FIG. 8 is a schematic representation of the penetration of the fluid medium in example 2;
FIG. 9 is a schematic view of penetration of a layered guard structure in example 3;
FIG. 10 is a schematic view of the penetration of the composite armor of example 4;
FIG. 11 is a schematic illustration of penetration of a spacer target plate in example 5.
In the figure: 1 incident panel, 11 round hole, 12 pole setting, 13 top bracing piece, 14 diagonal brace, 15 column foot, 16 bottom bracing piece, 17 balancing weight, 18 bolt pole, 2 entrance hole, 22 clamping lever, 23 screw thread, 24 bar hole, 25 connecting hole, 3 apron, 31 high-speed photographic instrument, 32 velocimeter, 33 PVC soft film, 34 speed measurement target paper, 35 coordinate target paper, 4 sand box, 5 pivot, 6 bullet-proof glass, 7 front end box, 8 middle box.
Description of the embodiments
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 apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments (for convenience of description and understanding, the description below uses the upper side of fig. 1 and the front side of fig. 1 as the front side). All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1: referring to fig. 1-7, the present invention provides a technical solution: a test device for detecting the ability of a projectile to penetrate a multilayer medium, comprising:
the test assembly comprises an incidence panel 1, a front end box body 7 and a middle box body 8, three different dispersion mediums are respectively arranged in the front end box body 7 and the middle box body 8, adjacent dispersion medium areas are separated by PVC soft adhesive films, cover plates 3 are respectively arranged at the upper ends of the front end box body 7 and the middle box body 8, the incidence panel 1 is arranged at one end of the front end box body 7, an incidence perforation 2 is arranged at the middle position of the incidence panel 1, connecting holes 25 are uniformly distributed at the connecting surface of the front end box body 7 and the middle box body 8, the front end box body 7 and the middle box body 8 are fixedly connected through bolts penetrating through the connecting holes 25, bullet-proof glass 6 is symmetrically arranged at the front side and the rear side of the front end box body 7 and the middle box body 8, high-speed cameras 31 are just opposite to the bullet-proof glass 6, the incidence panel 1 and the front end box body 7 are detachably connected, the utility model can flexibly replace the incident panel 1 according to the caliber of the projectile, can meet the test requirement of the projectile with medium and small caliber, and ensure the integrity of medium in the box as much as possible, one end of the middle box body 8 is detachably connected with the sand box 4 for buffering the residual speed of the projectile and recycling the projectile, the entrance of the sand box 4 is provided with the PVC soft adhesive film 33, the PVC soft adhesive film 33 is arranged to prevent dry sand from flowing out from the front end, the two sides of the inside of the front end box body 7 and the middle box body 8 are respectively provided with a clamping groove, a plurality of strip-shaped holes 24 are uniformly distributed in the clamping grooves along the length direction, clamping rods 22 are arranged in the strip-shaped holes 24, the clamping rods 22 are used for fixing coordinate target papers 35 and speed measuring target papers 34, the outer side surface of the upper end of the clamping rods 22 is provided with threads 23, the clamping rods 22 are connected with the cover plate 3 through threads, the coordinate target papers 35 and the speed measuring target papers 34 can be fixed by arranging the clamping rods 22 to be matched with each other;
the supporting component comprises four upright rods 12 which are distributed in four corners, wherein the upright rods 12 are angle steel, round holes 11 are uniformly distributed in the upright rods 12, rotating shafts 5 are symmetrically arranged on the front end box body 7 and the front side and the rear side of the sand box 4, the rotating shafts 5 penetrate through the round holes 11, the inlet angle of a projectile body can be changed by changing the fixed position of one end of the rotating shaft 5 on the upright rods 12, the supporting component is suitable for projectile body penetration tests of different angles, meanwhile, the inlet height of the box body can be adjusted by changing the rotating shaft 5 through the round holes 11 at different height positions, wedge-shaped column feet 15 are arranged at the lower ends of the upright rods 12, the upright rods 12 are connected with the column feet 15 through bolts, the extending heights of the upright rods 12 are used for adjusting the extending heights of the upright rods 12, top supporting rods 13 are arranged at the tops between the two upright rods 12 on the same side, and the arrangement of the top supporting rods 13 is convenient for limiting the inclination angle and the height of the testing component;
the support assembly further comprises bottom support rods 16, the bottom support rods 16 are angle steel, round holes 11 are uniformly distributed on the bottom support rods 16, the number of the bottom support rods 16 is three, two bottom support rods 16 are arranged in parallel along the length direction of the upright rods 12 on the same side, the third bottom support rods 16 are arranged along the width direction of the upright rods 12 on the same side, the bottom support rods 16 are connected with column feet 15 through bolts, the bottom support rods 16 are connected with balancing weights 17 through bolt rods penetrating through the round holes 11 of the bottom support rods, the balancing weights 17 are made of concrete materials, the balancing weights 17 are increased or decreased to achieve adjustment of the weight quality, the support rods are restrained to the greatest extent by self gravity, the bottom support rods 16 can fix boxes of any length, the lengthened parts can effectively prevent the structure from overturning, if the ground is conditional, the round holes 11 on the surface of the bottom support rods 16 can be fixed on the ground, under the condition of smooth ground, the balancing weights 17 can be stacked on the upper portion, when a field environment is tested, the bottom adjustable column feet 15 of the upright rods 12 can be inserted into soil, and the balancing weights 17 are matched for fixing;
the inclined stay bars 14 are arranged between the two bottom support rods 16 and the vertical rod 12, the inclined stay bars 14 are angle steel, round holes 11 are uniformly distributed in the inclined stay bars 14, two ends of the inclined stay bars 14 are connected with the bottom support rods 16 and the vertical rod 12 through bolts, and the supporting stability of the bottom support rods 16 and the vertical rod 12 can be improved through the arrangement of the inclined stay bars 14.
A high-speed camera 31 for recording the shot landing posture and the penetration process; a coordinate target paper 35 for recording the space track of the projectile; the tachometer 34 is electrically connected to the tachometer 32 for measuring the moment when the projectile passes through each tachometer 34, and thus obtaining the average velocity of the projectile.
Example 2: referring to fig. 8, the difference from example 1 is that the front end tank 7 and the middle tank 8 are filled with water, and both ends are sealed with PVC soft adhesive films for testing the test parameters of the projectile passing through the fluid medium.
Example 3: referring to fig. 9, the difference from embodiment 1 is that two PVC soft films 33 are provided in the front-end case 7 and the middle case 8, and different dispersion media are filled between the two PVC soft films 33 for testing the test parameters of the elastomer passing through the layered protection structure.
Example 4: referring to fig. 10, the difference from embodiment 1 is that the front end tank 7 and the intermediate tank 8 are filled with a composite bullet-proof layer medium for testing the test parameters of the projectile passing through the composite bullet-proof layer.
Example 5: referring to fig. 11, the difference from embodiment 1 is that three vertical or inclined target plates are provided in the front end casing 7 and the intermediate casing 8 for testing the test parameters of the projectile passing through the spaced target plates.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A test device for detecting the ability of an elastomer to penetrate a multilayer medium is characterized in that: comprising the following steps:
the test assembly is detachably connected by at least two box bodies and is used for filling the same or different penetration media into the box bodies according to test requirements;
the support assembly is used for adjusting and fixing the height and the angle position of the test assembly and comprises four upright rods (12) which are distributed in four corners, the upright rods (12) are angle steel, round holes (11) are uniformly distributed in the upright rods (12), rotating shafts (5) are symmetrically arranged on the front side and the rear side of a box body in the test assembly, the rotating shafts (5) penetrate through the round holes (11), wedge-shaped column bases (15) are arranged at the lower ends of the upright rods (12), and the upright rods (12) are connected with the column bases (15) through bolts and are used for adjusting the extending height of the upright rods (12);
the supporting assembly further comprises bottom supporting rods (16), the bottom supporting rods (16) are angle steel, round holes (11) are uniformly distributed in the bottom supporting rods (16), the number of the bottom supporting rods (16) is three, two bottom supporting rods (16) are arranged in parallel along the length direction of the same-side vertical rod (12), the third bottom supporting rods (16) are arranged along the width direction of the same-side vertical rod (12), the bottom supporting rods (16) are connected with the column base (15) through bolts, and the bottom supporting rods (16) are connected with the balancing weights (17) through bolt rods penetrating through the round holes (11);
a high-speed camera (31) arranged at one side of the test assembly and used for recording the landing posture and the penetration process of the projectile;
the coordinate target paper (35) is arranged in the box body of the test assembly and is used for recording the space track of the projectile;
and the speed measuring target paper (34) is arranged in the box body of the test assembly, is electrically connected with the speed measuring instrument (32) and is used for measuring the speed of the projectile passing through the target paper.
2. A test device for detecting the ability of an elastomer to penetrate a multi-layer medium according to claim 1, wherein: the test assembly comprises an incidence panel (1), a front end box body (7) and at least one middle box body (8), wherein cover plates (3) are arranged at the upper ends of the front end box body (7) and the middle box body (8), the incidence panel (1) is arranged at one end of the front end box body (7), an incidence hole (2) is formed in the middle position of the incidence panel (1), connecting holes (25) are uniformly distributed in the connecting surface of the front end box body (7) and the middle box body (8), the front end box body (7) and the middle box body (8) are fixedly connected through bolts penetrating through the connecting holes (25), bullet-proof glass (6) is symmetrically arranged on two sides of the front end box body (7) and the two sides of the middle box body (8), and the high-speed photographic instrument (31) is just opposite to the bullet-proof glass (6).
3. A test device for detecting the ability of an elastomer to penetrate a multi-layer medium according to claim 2, wherein: the incidence panel (1) is detachably connected with the front end box body (7) and is used for changing the size of the incidence aperture.
4. A test device for detecting the ability of an elastomer to penetrate a multi-layer medium according to claim 2, wherein: one end of the middle box body (8) is detachably connected with a sand box (4) for buffering the remaining speed of the projectile and recovering the projectile.
5. A test device for detecting the ability of an elastomer to penetrate a multi-layer medium according to claim 4, wherein: PVC soft adhesive films (33) are arranged at the inlet of the sand box (4).
6. A test device for detecting the ability of an elastomer to penetrate a multi-layer medium according to claim 2, wherein: clamping grooves are formed in two sides of the front end box body (7) and the middle box body (8), a plurality of strip-shaped holes (24) are uniformly distributed in the clamping grooves along the length direction of the clamping grooves, clamping rods (22) are arranged in the strip-shaped holes (24), the clamping rods (22) are used for fixing coordinate target paper (35) and speed measuring target paper (34), threads (23) are arranged on the outer side face of the upper end of the clamping rods (22), and the clamping rods (22) are connected with the cover plate (3) through threads.
7. A test device for detecting the ability of an elastomer to penetrate a multi-layer medium according to claim 1, wherein: a top supporting rod (13) is arranged at the top between the two vertical rods (12) positioned at the same side.
8. A test device for detecting the ability of an elastomer to penetrate a multi-layer medium according to claim 1, wherein: an inclined strut (14) is arranged between the two bottom support rods (16) and the vertical rod (12) which are arranged in parallel, the inclined strut (14) is angle steel, round holes (11) are uniformly distributed in the inclined strut (14), and two ends of the inclined strut (14) are connected with the bottom support rods (16) and the vertical rod (12) through bolts.
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| CN202111497774.6A CN114136158B (en) | 2021-12-09 | 2021-12-09 | Test device for detecting capability of projectile body penetrating multilayer medium |
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| CN114136158B true CN114136158B (en) | 2023-09-05 |
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Families Citing this family (3)
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| CN114923378B (en) * | 2022-04-19 | 2023-02-03 | 北京理工大学 | Device and method for testing ignition enhancement of active damage element with gradient threshold |
| CN114923372A (en) * | 2022-06-14 | 2022-08-19 | 北京理工大学 | Projectile body recovery device for target test of development of armored material |
| CN116105556A (en) * | 2023-03-14 | 2023-05-12 | 北京理工大学 | Combined type projectile body underwater armor piercing power test device |
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