CN212409508U - Full-wrapping type secondary caliber bullet support structure for bullet body with tail wing - Google Patents
Full-wrapping type secondary caliber bullet support structure for bullet body with tail wing Download PDFInfo
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- CN212409508U CN212409508U CN202022117616.0U CN202022117616U CN212409508U CN 212409508 U CN212409508 U CN 212409508U CN 202022117616 U CN202022117616 U CN 202022117616U CN 212409508 U CN212409508 U CN 212409508U
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Abstract
The utility model relates to a full packet mode minor caliber bullet of tape trailer projectile body holds in palm structure, the base whole be disc structure, the coaxial setting of support is at the base up end, the support up end is equipped with coaxial circular clamp plate, is equipped with coaxial support tile on the circular clamp plate, the whole cylindrical structure that is of support tile, its external diameter more than or equal to projectile body external diameter, support circumference upper end still the equipartition is provided with the piece that opens and shuts that can open, the piece that opens and shuts constitutes a closed cylindrical section of thick bamboo through the fastening rope, the axis of cylindrical section of thick bamboo and the axis collineation of base, its upper portion internal diameter matches with the projectile body and suits, its lower part internal diameter matches with the external diameter that supports the tile and suits. The utility model discloses do not destroy the projectile body structure in the process of the test, ensured the requirement of taking the steady transmission of tail wing projectile body to have simple structure, convenient operation, characteristics that the uniformity is good.
Description
Technical Field
The utility model belongs to projectile penetration test technique relates to the bullet of the minor bore area fin projectile body that uses the gun transmission and holds in the palm the structure, specifically is a full packet mode minor bore bullet of area fin projectile body holds in the palm structure.
Background
The projectile penetration test is widely applied to the field of evaluation of various weapon destructive effects and weapon destructive efficiency, such as weapon warhead development and protection engineering design, and is an important means for researching the destruction of ground-boring weapons to various solid targets. When carrying out a projectile penetration test, high requirements are provided for the stability of the projectile body during launching and the design of a secondary caliber projectile holder, and particularly when launching the secondary caliber projectile body with a tail wing, on one hand, the projectile holder is required to ensure that the projectile body can be uniformly stressed in a bore, so that the projectile body can be stably launched out of the bore; on the other hand, the projectile support is required to be rapidly thrown after being taken out of the chamber, the end effect of penetration of the projectile body is not influenced, and meanwhile, the projectile support is also required to be not influenced to unfold the tail wing in the throwing process. Therefore, the design of the sub-caliber projectile support structure of the projectile body with the tail wing needs to be developed, so that the projectile body can penetrate through the target body at a preset speed and in a preset posture, and the requirement of the penetration test of the projectile body with the tail wing is met.
The existing stable minor-caliber air-propelled sabot shelling bomb with the tail wing mainly adopts a half-pack structure style, the technology needs to design threads on a bomb body, the sabot is connected with the bomb body through the threads, and the structure has the defects that the structure of the bomb body is damaged, and the real effect of a penetration test is influenced.
Disclosure of Invention
The utility model aims at providing a take fin projectile body to wrap formula minor caliber bullet entirely and hold in palm structure solves the difficult problem of taking the fin projectile body to penetrate the target body with predetermined speed and gesture, ensures the requirement of taking the fin projectile body steady transmission to have simple structure, convenient operation, characteristics that the uniformity is good.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a full-wrapping type minor caliber bullet support structure for a bullet body with an empennage comprises a base, a support, an opening and closing piece, a circular pressing plate, a supporting tile, a fastening rope and a bullet body, wherein the tail diameter of the bullet body is smaller than that of the head of the bullet body; the base is integrally of a disc-shaped structure, the support is coaxially arranged on the upper end face of the base, a coaxial circular pressing plate is arranged on the upper end face of the support, a coaxial supporting tile is arranged on the circular pressing plate, the supporting tile is integrally of a cylindrical structure, the outer diameter of the supporting tile is larger than or equal to the outer diameter of the projectile body, opening and closing sheets capable of being opened are further arranged on the upper end of the circumference of the support in an equally-divided mode, the opening and closing sheets form a closed cylindrical barrel through a fastening rope, the axis of the cylindrical barrel is collinear with the axis of the base, the inner diameter of the upper portion of the cylindrical barrel is matched with the projectile body.
The number of the opening and closing pieces is at least three, and each opening and closing piece is hinged with the support through a pin shaft.
The whole support is of a cylindrical structure, the outer diameter of the support is larger than that of the base, and the middle of the upper end face of the support is provided with an axial threaded hole B for connecting a circular pressing plate; the middle part of the lower end surface of the support is provided with an axial threaded hole A for connecting a base; the lower end surface of the support is also provided with an annular step groove A.
The middle part of the upper end face of the base is provided with a coaxial threaded connecting rod, the upper end face of the base is provided with an annular step groove C, and the inner diameter of the annular step groove C is equal to that of the annular step groove A.
The nylon elastic band is of a circular ring structure, the outer diameter of the nylon elastic band is larger than the outer diameter of the support, and the inner diameter of the nylon elastic band is matched with the inner diameter of the annular step groove C of the base.
The principle of the utility model is as follows:
the pressure born by the empennage is transferred to the pressure plate by utilizing the supporting tile, the stress of the empennage is reduced to the maximum extent, and the empennage cannot move radially because the size matching among the opening and closing piece, the supporting tile, the projectile body and the bore is tight, and the empennage is restrained by the bore in the in-bore movement process; after the projectile is taken out of the bore, each petal of the projectile support opening and closing piece can be separated from the projectile body under the action of pneumatic power, then each part of the projectile body is unshelled and flies along the trajectory of each projectile body, and finally the projectile body is scattered in a certain area, so that the aim of penetrating the target body by the projectile body at a preset speed and posture is fulfilled.
The utility model has the advantages that:
the utility model discloses do not destroy the projectile body structure in the process of the test, ensured the requirement of taking the steady transmission of tail wing projectile body to have simple structure, convenient operation, characteristics that the uniformity is good.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of a stand.
Fig. 3 is a top view of the pedestal.
Fig. 4 is a schematic view of a base.
In the figure, the elastic band comprises a base 1, a base 2, a support 3, an opening and closing sheet 4, a circular pressing plate 5, a supporting tile 6, a fastening rope 7, an elastic body 8, a tail rod 9, a sheet spring 10, an empennage 11, a pin shaft 12, threaded holes B and 13, threaded holes A and 14, annular stepped grooves A and 15, a threaded connecting rod 16, annular stepped grooves C and 17 and nylon elastic bands.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model is applied to the minor caliber projectile body with the tail wing, the projectile body is the minor caliber projectile body used in the test, and the diameter is usually 65-90 mm; as shown in fig. 1, in an embodiment of the present invention, tail rods 8 are symmetrically disposed at the tail ends of the projectiles 7, a leaf spring 9 and a tail wing 10 are hinged on the tail rods 8, and the leaf spring 9 is disposed between the tail wing 10 and the projectiles 7; the tail fin 10 is a flight stabilizing device added for ensuring the stability of the projectile body in the flight process, and is made of material generally TC4 and consists of 4 petals; the tail rod is made of 35CrMoSi alloy steel, the diameter is 10mm, and the length is 20 mm; the flaky spring 9 is made of No. 45 steel and has the length of 30mm, and is mainly used for ensuring that the empennage can be smoothly unfolded after the empennage is taken out of the chamber;
as shown in fig. 1 to 4, a full-wrapping type minor caliber bullet holder structure for a bullet body with an empennage comprises a base 1, a support 2, an opening and closing sheet 3, a circular pressing plate 4, a supporting tile 5, a fastening rope 6 and a bullet body 7, wherein the base 1 is integrally of a disc-shaped structure, the support 2 is coaxially arranged on the upper end surface of the base 1, the coaxial circular pressing plate 4 is arranged on the upper end surface of the support 2, the coaxial supporting tile 5 is arranged on the circular pressing plate 4, the supporting tile 5 is integrally of a cylindrical structure, the outer diameter of the supporting tile is larger than or equal to the outer diameter of the bullet body 7, the opening and closing sheet 3 capable of being opened is further arranged at the upper end of the circumference of the support 2 in an equal division mode, the opening and closing sheet 3 forms a closed cylindrical barrel through the fastening rope 6, the axis of the cylindrical barrel is collinear with the axis of the base 1, the inner diameter of the upper portion.
The number of the opening and closing sheets 3 is at least three, and each opening and closing sheet 3 is hinged with the support 2 through a pin shaft 11. The utility model discloses an embodiment, the piece 3 material of opening and shutting is LY12 superhard aluminum, for three lamella structures, and every lamella is 120 degrees, and three lamella opening and shutting pieces 3 can form a complete cylindrical section of thick bamboo in the closed state, and cylindrical section of thick bamboo can wrap up the projectile body completely, and every opening and shutting piece 3 length is 450mm, and the external diameter is 100 mm.
The whole support 2 is of a cylindrical structure, the outer diameter of the support 2 is larger than that of the base 1, and the middle part of the upper end face of the support 2 is provided with an axial threaded hole B12 for connecting a circular pressing plate 4; the middle part of the lower end surface of the support 2 is provided with an axial threaded hole A13 for connecting the base 1; the lower end surface of the support 2 is also provided with an annular step groove A14. In one embodiment of the present invention, the support 2 is made of LY12 super hard aluminum material with a diameter of 99.5 mm.
The middle part of the upper end face of the base 1 is provided with a coaxial threaded connecting rod 15, the upper end face of the base is provided with an annular step groove C16, and the inner diameter of the annular step groove C16 is equal to that of the annular step groove A14. In one embodiment of the present invention, the threaded connection rod 15 is a thread of M35, and has a length of 18 mm; the inner diameter of the annular step groove C16 is 85mm, and the groove depth is 10 mm.
The base 1 and the support 2 between still be equipped with coaxial nylon elastic band 17, nylon elastic band 17 is ring shape structure, and its external diameter is greater than the support 2 external diameter, and its internal diameter matches with the internal diameter of base 1's annular step groove C16. In one embodiment of the present invention, the nylon elastic band 17 has an inner diameter of 85.2mm, an outer diameter of 102.5mm and a thickness of 15 mm.
In an embodiment of the utility model, the material of circular clamp plate 4 is 42CrMo alloy steel, and thickness is 10mm, and open at the center has M14's counter bore, links circular clamp plate 4 and support 2 as an organic whole through countersunk head bolt.
The support tile 5 is made of 35CrMoSi alloy steel, the length of the support tile is 200mm, the support tile 5 is used for protecting the projectile body, and the support tile 5 is mainly stressed in the movement process of the projectile body 7 in the chamber, so that the tail wing 10 is prevented from being damaged due to overlarge stress in the chamber.
The pin shaft 11 is made of 35CrMoSi alloy steel, the diameter is 14mm, the length is 40mm, the opening and closing sheet is connected with the support through the pin shaft, and the opening and closing sheet 3 can be opened smoothly;
the fastening rope 6 is a cotton rope with the diameter of 4mm, and the opening and closing sheet 3 is closed during assembly by utilizing the fastening rope 6.
The utility model discloses an assembly method:
when using, link firmly base 1, nylon bullet area 17 and support 2 earlier, then through round pin axle 11 with the piece 3 and the support 2 connection of opening and shutting, link firmly circular clamp plate 4 with the support again, assemble tail-bar 8, slice spring 9 and fin 10 on projectile body 7, put into and support tile 5, will support tile 5, projectile body 7 and put on circular clamp plate 4 again, will open and shut piece 3 and close, make the piece 3 whole body that opens and shuts surround projectile body 7, use fastening rope 6 to fix at last.
The part of the utility model not detailed is prior art.
Claims (5)
1. A full-wrapping type minor caliber bullet support structure for a bullet body with an empennage comprises a base (1), a support (2), an opening and closing sheet (3), a circular pressing plate (4), a supporting tile (5), a fastening rope (6) and the bullet body (7), wherein the diameter of the tail part of the bullet body (7) is smaller than that of the head part of the bullet body, tail rods (8) are symmetrically arranged at the tail ends of the tail part of the bullet body (7), a sheet spring (9) and the empennage (10) are hinged to the tail rods (8), and the sheet spring (9) is arranged between the empennage (10) and the bullet body (7); the method is characterized in that: the base (1) wholly be disc-shaped structure, the coaxial setting of support (2) is at base (1) up end, support (2) up end is equipped with coaxial circular clamp plate (4), is equipped with coaxial support tile (5) on circular clamp plate (4), support tile (5) wholly be the cylinder structure, its external diameter more than or equal to body (7) external diameter, support (2) circumference upper end still the equipartition is provided with opening and shutting piece (3) that can open, a closed cylindrical section of thick bamboo is constituteed through fastening rope (6) in opening and shutting piece (3), the axis of cylindrical section of thick bamboo and the axis collineation of base (1), its upper portion internal diameter matches with body (7) and suits, its lower part internal diameter matches with the external diameter that supports tile (5) and suits.
2. The fully-enclosed secondary caliber missile-supporting structure of the missile body with the empennage as claimed in claim 1, wherein the full-enclosed secondary caliber missile-supporting structure comprises: the number of the opening and closing sheets (3) is at least three, and each opening and closing sheet (3) is hinged with the support (2) through a pin shaft (11).
3. The fully-enclosed secondary caliber missile-supporting structure of the missile body with the empennage as claimed in claim 1, wherein the full-enclosed secondary caliber missile-supporting structure comprises: the whole support (2) is of a cylindrical structure, the outer diameter of the support is larger than that of the base (1), and the middle part of the upper end face of the support (2) is provided with an axial threaded hole B (12) for connecting a circular pressing plate (4); the middle part of the lower end surface of the support (2) is provided with an axial threaded hole A (13) for connecting the base (1); the lower end surface of the support (2) is also provided with an annular step groove A (14).
4. The fully-enclosed secondary caliber missile-supporting structure of the missile body with the empennage as claimed in claim 3, wherein the full-enclosed secondary caliber missile-supporting structure comprises: the middle of the upper end face of the base (1) is provided with a coaxial threaded connecting rod (15), the upper end face of the base is provided with an annular step groove C (16), and the inner diameter of the annular step groove C (16) is equal to that of the annular step groove A (14).
5. The fully-enclosed secondary caliber missile-supporting structure of the missile body with the tail wing as claimed in claim 4, wherein the secondary caliber missile-supporting structure is characterized in that: the nylon elastic band is characterized in that a coaxial nylon elastic band (17) is further arranged between the base (1) and the support (2), the nylon elastic band (17) is of a circular ring-shaped structure, the outer diameter of the nylon elastic band is larger than the outer diameter of the support (2), and the inner diameter of the nylon elastic band is matched with the inner diameter of an annular step groove C (16) of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022117616.0U CN212409508U (en) | 2020-09-24 | 2020-09-24 | Full-wrapping type secondary caliber bullet support structure for bullet body with tail wing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022117616.0U CN212409508U (en) | 2020-09-24 | 2020-09-24 | Full-wrapping type secondary caliber bullet support structure for bullet body with tail wing |
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| CN212409508U true CN212409508U (en) | 2021-01-26 |
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| CN202022117616.0U Active CN212409508U (en) | 2020-09-24 | 2020-09-24 | Full-wrapping type secondary caliber bullet support structure for bullet body with tail wing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013729A (en) * | 2020-09-24 | 2020-12-01 | 中国人民解放军军事科学院国防工程研究院 | Full-wrapping type secondary caliber bullet support structure for bullet body with tail wing |
| CN115752121A (en) * | 2022-12-12 | 2023-03-07 | 哈尔滨工业大学 | A bullet holds in palm for special-shaped projectile body |
-
2020
- 2020-09-24 CN CN202022117616.0U patent/CN212409508U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013729A (en) * | 2020-09-24 | 2020-12-01 | 中国人民解放军军事科学院国防工程研究院 | Full-wrapping type secondary caliber bullet support structure for bullet body with tail wing |
| CN112013729B (en) * | 2020-09-24 | 2024-06-18 | 中国人民解放军军事科学院国防工程研究院 | Full-package type sub-caliber bullet support structure with empennage bullet body |
| CN115752121A (en) * | 2022-12-12 | 2023-03-07 | 哈尔滨工业大学 | A bullet holds in palm for special-shaped projectile body |
| CN115752121B (en) * | 2022-12-12 | 2024-04-19 | 哈尔滨工业大学 | Bullet holder for special-shaped bullet body |
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