CN215413420U - Telescopic baffle device of variable diameter and penetration warhead - Google Patents
Telescopic baffle device of variable diameter and penetration warhead Download PDFInfo
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- CN215413420U CN215413420U CN202122144181.3U CN202122144181U CN215413420U CN 215413420 U CN215413420 U CN 215413420U CN 202122144181 U CN202122144181 U CN 202122144181U CN 215413420 U CN215413420 U CN 215413420U
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Abstract
The utility model discloses a diameter-variable telescopic partition plate device and a penetration warhead, wherein the diameter-variable telescopic partition plate device comprises a partition plate base with a circular section, a plurality of telescopic mechanism mounting grooves are uniformly formed in the partition plate base along the circumferential direction, a quick telescopic mechanism is mounted on the partition plate base in the telescopic mechanism mounting grooves, and a petal-type partition plate is fixedly connected to the telescopic end of the quick telescopic mechanism so as to realize diameter-variable telescopic of the partition plate device. The diameter-variable telescopic partition plate device and the penetration warhead provided by the utility model can improve the stability of penetration powder charge of the warhead with a special shell structure, and can be conveniently disassembled at the stage of optimizing and improving the powder charge structure of the warhead and destroying the warhead after the service life is over, and the safety in the operation process is improved.
Description
Technical Field
The utility model relates to the technical field of a warhead, is suitable for a penetration warhead with a closed inner cavity of a charge with a large length-diameter ratio, and particularly relates to a variable-diameter telescopic partition plate device for section charge of a warhead.
Background
The warhead of high-speed penetration can effectively damage a firm target, but as the impact speed is continuously increased, the overload of the projectile body is higher and higher, and the internal charge is easy to damage and generate ignition, so that the internal charge is easy to be burnt or fried early, and therefore, the research on the filling stability of the warhead becomes an important technology for the development of the warhead of penetration. At present, the main approaches for improving the stability of explosives at home and abroad are as follows: on one hand, the stability of the explosive is improved by researching and developing various insensitive explosive formulas; on the other hand, the stress wave is attenuated by filling inert substances at the front end of the warhead charging, and simultaneously, the charging process is improved, so that the charging defects (shrinkage holes, air holes, cracks and the like) are reduced, and the probability of generating hot spots is reduced. In addition, most of the inner cavities of the explosive loading sections of the penetration warhead are filled with explosive with the same diameter, but a large length-diameter ratio of the special closing-in explosive loading section needs a partition plate with a telescopic diameter to fill explosive sectionally to improve penetration stability, so that a device suitable for the explosive loading structure is needed to improve stability of the explosive.
If the conventional method is adopted to improve the charging stability of the penetration type warhead with large length-diameter ratio, the method has the following defects:
(1) the insensitive explosive improves the stability of explosive charging, but simultaneously improves the initiation critical threshold value and reduces the activity of explosive combustion reaction, greatly weakens the damage capability of a warhead in the aspect of the end-point damage effect to a target, and simultaneously has higher cost;
(2) although the fault of charging is reduced by the charging process, for a penetration type warhead with a large length-diameter ratio, the charging environment is changed violently due to high overload generated in the penetration process, and the penetration stability cannot be met by single-section charging;
(3) for a large length-diameter ratio penetration type warhead of a non-metal shell closing-up charge section, the conventional method adopting the partition plate has the difficulty that segmented charge of an inner cavity of the shell cannot be realized.
In order to provide a baffle plate suitable for a non-metal shell charging inner cavity closing-in, a diameter-variable telescopic baffle plate device is designed.
SUMMERY OF THE UTILITY MODEL
Utility model's aim at overcomes above-mentioned not enough, provides a telescopic baffle device of variable diameter and penetration warhead, is favorable to reducing the volume change and the stress production at powder charge curing process through the segmentation powder charge to reduce the powder charge and at the inside probability that produces the crackle of penetration in-process, reduce damage degree in advance, improve powder charge overload resistance.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a telescopic baffle device of variable diameter, is circular shape baffle base including the cross-section, a plurality of telescopic machanism mounting grooves have evenly been seted up along the circumferencial direction to the baffle base, the quick telescopic machanism is installed to the baffle base in the telescopic machanism mounting groove, quick telescopic machanism's flexible end fixedly connected with lamella formula baffle to it is flexible to realize that baffle device reducing.
Further, the clapboard base is made of titanium alloy.
Furthermore, an annular groove is formed in the circumferential surface of the partition plate base, and one end, far away from the center of the partition plate base, of the telescopic mechanism mounting groove is communicated with the annular groove.
Further, quick telescopic machanism includes telescopic link, spring, safety cover and tailstock, the telescopic link is the boss design, the big pot head of telescopic link is established in the safety cover, the guide slot has been seted up by the telescopic link from bottom to top, the tailstock passes in the guide slot that the safety cover stretched into the telescopic link, the spring sets up in the safety cover between the bottom surface and the guide slot top surface of telescopic link.
Further, the spring sleeve is arranged outside the tailstock, and a positioning pin for fixing the spring is arranged in the protective cover.
Furthermore, the petal-type partition plate is in an annular arc shape, and the petal-type partition plate extends into the annular groove of the partition plate base to be fixedly bonded with the telescopic rod.
Furthermore, the number of the telescopic mechanism mounting grooves is 4.
The penetration warhead comprises a carbon fiber shell which is made of carbon fiber materials and wound along a core column of a processing mold, wherein an embedded support piece is arranged in the carbon fiber shell, and the diameter-variable telescopic partition plate device is arranged at the embedded support piece.
Furthermore, a layer of buffer material is coated on the surface of the clapboard base, and the front-section explosive and the rear-section explosive are respectively arranged on the front section and the rear section of the diameter-variable telescopic clapboard device of the carbon fiber shell.
Compared with the prior art, the utility model has the beneficial effects that:
(1) the variable-diameter telescopic partition plate can be flexibly designed aiming at different variable-diameter inner cavities, and the penetration strength is met while the target end point damage capability is not reduced.
(2) The adoption of the sectional double-cabin charging structure can reduce the stress of the charging head, reduce the plastic deformation of the charging in the penetration process and reduce the friction shearing action of the charging tail, thereby improving the penetration stability of the penetration type warhead.
(3) The sectional double-cabin charging structure can reduce the charging height, thereby reducing charging defects and non-uniformity of charging density in the charging cooling or compressing process, further improving the charging quality and ensuring the charging stability in the warhead penetration process.
(4) The device not only can improve the stability of penetration powder charge of the warhead of the special shell structure, but also can be conveniently disassembled at the stage of optimizing and improving the powder charge structure of the warhead and destroying the warhead after the service life is over, and the safety in the operation process is improved.
Drawings
FIG. 1 is a schematic cross-sectional view of a retractable baffle base;
FIG. 2 is a schematic cross-sectional view of the quick retracting mechanism;
FIG. 3 is a sectional view of the quick retraction mechanism assembled;
FIG. 4 is a schematic cross-sectional view of a variable diameter telescoping diaphragm device;
FIG. 5 is a schematic cross-sectional view of a carbon fiber casing containing spacer-supported embedments;
FIG. 6 is a schematic cross-sectional view of a variable diameter telescoping diaphragm assembled carbon fiber housing;
FIG. 7 is a schematic sectional view of a two-segment chamber charge structure of a carbon fiber shell containing a variable-diameter telescopic partition.
Reference numerals: 1-a variable diameter telescopic baffle device; 1.1-titanium alloy diaphragm base; 1.3-four-petal partition board; 2-a quick telescopic mechanism; 2.1-telescopic rod; 2.2-spring; 2.3-protective cover; 2.4-locating pin; 2.5-tailstock; 3-a carbon fiber shell; 4-a separator support; 5-a front-end explosive; 6-rear section explosive.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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 obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1-4, a variable-diameter telescopic partition plate device 1 comprises a partition plate base 1.1 with a circular cross section, wherein the partition plate base 1.1 is uniformly provided with a plurality of telescopic mechanism mounting grooves along the circumferential direction, a rapid telescopic mechanism 2 is mounted in the telescopic mechanism mounting groove of the partition plate base 1.1, and a flap type partition plate 1.3 is fixedly connected to a telescopic end of the rapid telescopic mechanism 2 so as to realize variable-diameter telescopic of the partition plate device; the clapboard base 1.1 is made of titanium alloy; an annular groove is formed in the circumferential surface of the partition plate base 1.1, and one end, far away from the center of the partition plate base 1.1, of the telescopic mechanism mounting groove is communicated with the annular groove; the rapid telescopic mechanism 2 comprises a telescopic rod 2.1, a spring 2.2, a protective cover 2.3 and a tailstock 2.5, the telescopic rod 2.1 is designed as a boss, the big end of the telescopic rod 2.1 is sleeved in the protective cover 2.3, the telescopic rod 2.1 is provided with a guide groove from bottom to top, the tailstock 2.5 penetrates through the protective cover 2.3 and extends into the guide groove of the telescopic rod 2.1, and the spring 2.2 is arranged between the inner bottom surface of the protective cover 2.3 and the top surface of the guide groove of the telescopic rod 2.1; the spring 2.2 is sleeved outside the tailstock 2.5, and a positioning pin 2.4 for fixing the spring 2.2 is arranged in the protective cover 2.3; the petal-type partition plate 1.3 is in an annular arc shape, and the petal-type partition plate 1.3 extends into the annular groove of the partition plate base and is fixedly bonded with the telescopic rod 2.1; the number of the telescopic mechanism mounting grooves is 4, namely the number of the quick telescopic mechanisms 2 and the number of the petal type partition plates 1.3 are 4.
As shown in fig. 5-7, a penetration warhead includes a carbon fiber housing 3 formed by winding a carbon fiber material along a core column of a processing mold, a pre-embedded support member 4 is provided in the carbon fiber housing 3, and the variable diameter telescopic baffle plate device 1 is installed at the pre-embedded support member 4; the surface of the clapboard base 1.1 is coated with a layer of buffer material, and the carbon fiber shell 3 is respectively provided with a front section explosive 5 and a rear section explosive 6 at the front section and the rear section of the diameter-variable telescopic clapboard device 1.
The utility model has the advantages that:
(1) the variable-diameter telescopic partition plate can be flexibly designed aiming at different variable-diameter inner cavities, and the penetration strength is met while the target end point damage capability is not reduced.
(2) The adoption of the sectional double-cabin charging structure can reduce the stress of the charging head, reduce the plastic deformation of the charging in the penetration process and reduce the friction shearing action of the charging tail, thereby improving the penetration stability of the penetration type warhead.
(3) The sectional double-cabin charging structure can reduce the charging height, thereby reducing charging defects and non-uniformity of charging density in the charging cooling or compressing process, further improving the charging quality and ensuring the charging stability in the warhead penetration process.
(4) The device not only can improve the stability of penetration powder charge of the warhead of the special shell structure, but also can be conveniently disassembled at the stage of optimizing and improving the powder charge structure of the warhead and destroying the warhead after the service life is over, and the safety in the operation process is improved.
A method for processing a penetration warhead comprises the following steps:
step one, as shown in fig. 1, determining the basic size of a partition plate base according to the minimum charging diameter of an inner cavity of a carbon fiber shell and the size of a partition plate, machining the partition plate base 1.1, and uniformly distributing 4 telescopic mechanism mounting grooves for mounting a quick telescopic mechanism in the circumferential direction.
Step two, as shown in fig. 2, the quick telescoping mechanism 2 mainly includes: telescopic link 2.1, spring 2.2, safety cover 2.3, locating pin 2.4, tailstock 2.5, telescopic link 2.1 adopts the project organization of reducing boss, this kind of project organization guarantees when promoting lamella formula baffle 1.3 and pre-buried support piece 4 to match that its spring force keeps unanimous with the direction of promotion, reduce the work degree of difficulty of assembly, simultaneously this kind of structure is when demolising the baffle, guarantee spring 2.2 can not warp and exceed the decrement of spring 2.2 in compression process, what spring 2.2 adopted is compression spring, overlap spring 2.2 on tailstock 2.5, utilize locating pin 2.4 to fix spring 2.2, stretch into and assemble spring 2.2.2 anterior segment along telescopic link 2.1 inner chamber, later assemble safety cover 2.3 along telescopic link 2.1 surface with tailstock 2.5, accomplish the assembly of quick telescopic machanism.
And step three, as shown in fig. 3, the rapid telescoping mechanism 2 is respectively in threaded connection with the mounting grooves reserved in the partition plate base 1.1, and then as shown in fig. 4, the four petal-type partition plates 1.3 are respectively bonded with the telescopic rods 2.1 of the rapid telescoping mechanism 2 by using fixing glue, so that the integral assembly of the variable-diameter telescopic partition plate device 1 is completed.
And step four, as shown in fig. 5, determining parameters of the embedded part according to the matching requirement of the variable-diameter telescopic partition plate device 1 and the requirement of the supporting function, and winding and processing the embedded support part 4 and the carbon fiber shell 3 into a whole at a fixed position in advance when the carbon fiber material is wound and processed on the carbon fiber shell 3 along the processing mold core column.
Step five, as shown in fig. 6, compressing the variable-diameter telescopic partition plate device 1 to an initial state by using a tool, pushing the variable-diameter telescopic partition plate device to be aligned with the embedded support member 4 through the charge minimum diameter port along the axial direction of the shell 3, extracting the tool, and pushing the flap type partition plate 1.3 to be matched with the embedded support member 4 through the rapid telescopic mechanism through elasticity.
Sixthly, as shown in fig. 7, after the step 6 is completed, a layer of buffer material with a certain thickness is coated on the surfaces of the end surfaces on the two sides of the base 1.1 of the telescopic diaphragm device 1 with the variable diameter, then the high-energy explosive is respectively filled with the front-stage explosive 5 and the rear-stage explosive 6 at the front section and the rear section of the telescopic diaphragm device 1 with the variable diameter by adopting a corresponding explosive filling process, and then the explosive filling end surfaces are processed to be flush with the explosive filling height and are smoothly processed, so that the assembly of the penetration warhead and the segmented explosive filling work are completed.
The diameter-variable telescopic partition plate device can effectively aim at penetrating shots with large length-diameter ratio, and a supporting embedded part is designed at the middle section of the shell to be matched with the device to complete segmented charging according to different charging conditions, so that the purpose of improving the charging stability is achieved. Meanwhile, a thought capable of improving the charging stability is provided for the charging process, and the charging stability of the projectile in the target penetration process is ensured.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.
Claims (9)
1. A diameter-variable telescopic partition plate device is characterized in that: including the cross-section for circular shape baffle base, a plurality of telescopic machanism mounting grooves have evenly been seted up along the circumferencial direction to the baffle base, quick telescopic machanism is installed to the baffle base in the telescopic machanism mounting groove, quick telescopic machanism's flexible end fixedly connected with lamella formula baffle to it is flexible to realize the baffle device reducing.
2. A variable diameter telescoping diaphragm device according to claim 1, wherein: the clapboard base is made of titanium alloy.
3. A variable diameter telescoping diaphragm device according to claim 1, wherein: the circumferential surface of the partition plate base is provided with an annular groove, and one end of the telescopic mechanism mounting groove, which is far away from the center of the partition plate base, is communicated with the annular groove.
4. A variable diameter telescoping diaphragm device according to claim 3, wherein: the quick telescopic machanism includes telescopic link, spring, safety cover and tailstock, the telescopic link is the boss design, the big pot head of telescopic link is established in the safety cover, the guide slot has been seted up by the telescopic link from bottom to top, the tailstock passes in the guide slot that the safety cover stretched into the telescopic link, the spring setting is between the guide slot top surface of bottom surface and telescopic link in the safety cover.
5. The variable diameter telescoping diaphragm device of claim 4, wherein: the spring sleeve is arranged outside the tailstock, and a positioning pin for fixing the spring is arranged in the protective cover.
6. The variable diameter telescoping diaphragm device of claim 4, wherein: the petal-type partition plate is in an annular arc shape, and the petal-type partition plate extends into the annular groove of the partition plate base and is fixedly bonded with the telescopic rod.
7. A variable diameter telescoping diaphragm device according to claim 1, wherein: the number of the telescopic mechanism mounting grooves is 4.
8. A penetration warhead, comprising: the carbon fiber processing mold comprises a carbon fiber shell, wherein a carbon fiber material is wound along a core column of the processing mold, an embedded support piece is arranged in the carbon fiber shell, and the diameter-variable telescopic partition plate device in any one of claims 1 to 7 is installed at the embedded support piece.
9. The penetration warhead of claim 8, wherein: the surface of the clapboard base is coated with a layer of buffer material, and the carbon fiber shell is respectively provided with a front section explosive and a rear section explosive at the front section and the rear section of the diameter-variable telescopic clapboard device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122144181.3U CN215413420U (en) | 2021-09-07 | 2021-09-07 | Telescopic baffle device of variable diameter and penetration warhead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122144181.3U CN215413420U (en) | 2021-09-07 | 2021-09-07 | Telescopic baffle device of variable diameter and penetration warhead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215413420U true CN215413420U (en) | 2022-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122144181.3U Active CN215413420U (en) | 2021-09-07 | 2021-09-07 | Telescopic baffle device of variable diameter and penetration warhead |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215413420U (en) |
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2021
- 2021-09-07 CN CN202122144181.3U patent/CN215413420U/en active Active
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