RU2537356C1 - Shell - Google Patents

Abstract

FIELD: weapons and ammunition.

SUBSTANCE: shell comprises subcaliber penetrating plug, a tray and a disc guide element. The tray and the disc guide element are made non-detachable. The sliding obturating band is located on the tray. The disc guide element is mounted on the subcaliber penetrating plug with force fitting.

EFFECT: reduction of the shell weight.

4 cl, 3 dwg

Description

The present invention relates to sub-caliber artillery shells and can be used as an armor-piercing shell and for testing sub-caliber armor-piercing cores.

Known subcaliber projectile with detachable tray [patent US 7934456 B1, IPC ⁸ F42B 14/06], which is the closest technical solution to the proposed invention and adopted by the authors as a prototype. A sub-caliber projectile with a detachable pallet comprises a sub-caliber penetrating core and a detachable pallet. The pallet contains a driving element that acts on the rear end node of the penetrating core, a segment guide sleeve and a disk segment guide element, which extends inward in the front region of the guide sleeve and holds the guide core. The disk guide element has a slightly convex outline in the direction of projectile flight. The material and wall thickness of the guiding element are selected so that the convex zone moves slightly backward when fired so that the outer zone of the guiding element rests on the inner wall of the barrel channel from which the projectile is fired.

The advantages of a projectile with a detachable tray are the ability to use a penetrating penetrating core without notches and its high stability.

The disadvantages of a projectile with a detachable pallet are as follows:

- the presence of a large number of constituent elements, including mobile ones, leads to a decrease in the reliability of the device, an increase in its mass and complexity of the design;

- the presence of parts flying off during firing makes it difficult to fire a shell in a shooting gallery and is a danger to personnel;

- the presence of a moving element makes it difficult to use a projectile for testing various sub-caliber penetrating cores.

The objective of the invention is to reduce the mass and complexity of the design of the projectile, increase its reliability, increase fire safety and provide the possibility of using various sub-caliber cores.

The problem is solved as follows.

In a projectile containing a sub-caliber penetrating core, a pallet and a disk guiding element, it is new that the pallet and the disk guiding element are inseparable, a sliding obturating belt is placed on the pallet, and the disk guiding element is mounted on the piercing penetrating core with an interference fit. In a particular case:

- blind holes are made in the pallet, and cuts are made in the disk guide element;

- sub-caliber penetrating core is made of a material whose density is at least 12 g / cm ³ , and the tray and the disk guide element are made of materials whose average density is not more than 4 g / cm ³ ;

- a sub-caliber penetrating core is connected to the pallet by means of a threaded connection or an interference fit.

The device contains fewer components, including moving parts, due to which the mass and complexity of the structure are reduced and its reliability is increased. The device does not contain flying parts, which ensures safety when firing and allows firing at a shooting range. The connection between the pallet and the sub-caliber core is universal and allows the use of various sub-caliber cores.

The essence of the invention is illustrated by drawings.

Figure 1 shows a General view of the projectile.

Figure 2 presents a view of A in Figure 1.

Figure 3 presents a section bB in Figure 2.

The sub-caliber penetrating core 1 is made in the form of a pointed rod of material with a density of at least 12 g / cm ³ , for example, of a residence permit alloy, and serves to break through the barrier. Pallet 2 is located at the rear of the projectile and serves to connect the projectile to the sleeve and as a support for the core 1 when fired. The disk guide element 3 is installed with an interference fit on the core 1, is made of a material whose density is not more than 4 g / cm ³ , for example, of aluminum alloy B95, and serves to prevent loss of stability by the core 1 during firing. The sliding obturating belt 4 is made with the possibility of rotation relative to the pallet 2 and serves to prevent the breakthrough of gases from the projectile space when firing and to prevent the projection from twisting when firing from a rifled gun. The holes 5 in the pallet 2 and cut 6 in the disk guide element 3 are used to give the projectile a given mass and simulate the pressing mass during testing of armor-piercing cores of controlled aircraft. The pallet 2 consists of a skirt 7 and a support 8 connected by screws 9. The skirt 7 has a conical surface 10 and serves to prevent deformation of the core 1 during firing. Support 8 is used to connect the projectile with the sleeve and its acceleration in the barrel. The average density of the pallet 2 is not more than 4 g / cm ³ , for example, in the manufacture of the skirt 7 from aluminum alloy B95, and the support 8 from titanium alloy VT6.

The device operates as follows.

During the shot, the products of combustion of the propellant charge act on the support 8 of the pallet 2 and on the sliding obturating belt 4, dispersing the projectile. The disk guide element 3 and the skirt 7 prevent the loss of stability and deformation of the core 1 under the action of inertia forces. After overcoming the muzzle of the gun, the projectile continues its independent flight to the target. During the flight, the conical surface 10 of the skirt 7 acts as an aerodynamic stabilizer, while due to the difference in the density of materials of the core 1 and the pallet 2, the center of pressure of the projectile is behind the center of mass in the direction of movement, that is, the projectile is aerodynamically stable. When hit by an obstacle, a sub-caliber penetrating core 1 penetrates into the barrier, while the pallet 2 acts as a pressing mass, increasing the armor penetration of the projectile. When the core 1 is deepened into the barrier to a depth equal to the distance from the projectile nose to the disk guide element 3, the disk guide element is shifted backward in the direction of the projectile movement to the pallet 2. When the core 1 is deepened into the barrier by a length equal to the distance from the projectile nose to the pallet 2 , the connection of the core with the pallet is destroyed and the core continues to penetrate into the barrier.

Thus, the proposed technical solution allows to reduce the mass and complexity of the design of the projectile, increase its reliability, increase the safety of shooting and provide the possibility of using various sub-caliber cores.

Claims (4)

1. A projectile containing a sub-caliber penetrating core, a pallet and a disk guide element, characterized in that the pallet and the disk guide element are inseparable, a sliding obturating belt is placed on the pallet, and a disk guide element is mounted on the sub-caliber penetrating core with an interference fit. 2. The projectile according to claim 1, characterized in that blind holes are made in the pallet, and cuts are made in the disk guide element. 3. The projectile according to claim 1, characterized in that the sub-caliber penetrating core is made of a material whose density is at least 12 g / cm ³ and the tray and the disk guide element are made of materials whose average density is not more than 4 g / cm ³ . 4. The projectile according to claim 1, characterized in that the sub-caliber penetrating core is connected to the pallet by means of a threaded connection or an interference fit.

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