CN211626279U

CN211626279U - Bullet bottom separation mass-reducing range-extending cannonball

Info

Publication number: CN211626279U
Application number: CN202020213614.9U
Authority: CN
Inventors: 赵晓尧; 陈智刚; 潘玉田; 王保国; 郭保全; 赵永娟
Original assignee: North University of China
Current assignee: North University of China
Priority date: 2020-02-26
Filing date: 2020-02-26
Publication date: 2020-10-02
Anticipated expiration: 2030-02-26

Abstract

The utility model discloses a bullet bottom separation mass-reducing range-increasing shell, which comprises a warhead, a solid engine and a separation bullet bottom mechanism in sequence; the solid engine comprises a solid engine shell, a solid engine cartridge, a spray pipe for spraying combustion products and a solid-state igniter; the solid engine cartridge is disposed inside the solid engine housing; the separating bullet bottom mechanism comprises a bullet bottom, a bottom row shell and a bottom row igniter. The utility model separates the separating bullet bottom mechanism from the bullet by using the fuel gas generated by the bottom discharge charge and the solid engine charge, and the solid engine continues to push the rest effective load to fly; the negative mass of the projectile in the flying process is effectively reduced by separating the projectile bottom mechanism, and the aim of further flying distance of the projectile under the same charging condition is fulfilled. The design method for separating the bullet bottom effectively reduces the negative mass of the bullet in the air flight process, is simple, convenient to realize, safe and reliable, and has low use requirement.

Description

Bullet bottom separation mass-reducing range-extending cannonball

Technical Field

The utility model relates to a middle trajectory field especially relates to a bullet end separation subtracts matter and increases journey shell.

Background

The projectile bottom structure of the artillery projectile mainly has the main functions of bearing high overload during launching, protecting a projectile damage part from being damaged by high chamber pressure, and therefore, the structure is thicker and heavier; and the bullet bottom is also provided with a copper sealing bullet belt generally, and the mass of the bullet bottom becomes a negative mass which consumes the flying kinetic energy of the bullet when the bullet flies. That is, the projectile bottom does not play any positive role in the projectile flying process after the projectile leaves the bore, but rather reduces the flying speed of the projectile to a certain extent due to the weight of the projectile bottom. In order to pursue the end-point damage effect with a longer range, bottom row drag reduction and fixed emission range extension are common technical means, however, according to public data, the purpose of range extension achieved by a design method for reducing negative quality is not found.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a separation subtracts matter increase journey shell at bottom of bullet to solve the problem that above-mentioned prior art exists, through the effectual negative quality that has reduced the pellet flight in-process of separation bullet end mechanism, reach the farther purpose of distance of pellet flight under equal powder charge condition.

In order to achieve the above object, the utility model provides a following scheme:

the utility model provides a bullet bottom separation mass-reducing range-increasing shell, which comprises a warhead, a solid engine and a separation bullet bottom mechanism in sequence; the solid engine comprises a solid engine shell, a solid engine cartridge, a spray pipe for spraying combustion products and a solid-state igniter; the solid engine cartridge is disposed inside the solid engine housing.

The separating bottom ejection mechanism comprises a bottom ejection, a bottom row shell and a bottom row igniter; the outlet of the spray pipe and the bottom row shell are both arranged in the bullet bottom; the bottom row shell is internally provided with a grain containing propellant; one side of the solid engine shell is fixedly connected to the warhead, and the other side of the solid engine shell is connected with the bottom end of the bullet bottom.

Preferably, the base row housing is disposed between the nozzle and the bullet base.

Preferably, the other side of the solid engine shell is sleeved or bonded at the bottom end of the bullet bottom.

Preferably, a bearing is arranged between the solid engine shell and the bullet bottom, and the bearing is fixedly arranged on the solid engine shell. In the process of launching the shell, the separation bullet bottom mechanism rotates at a high speed, and the bullet and the separation bullet bottom mechanism are connected through the bearing, so that the bullet rotates at a low speed under the action of inertia, the rotating speed of a bullet muzzle is effectively reduced, and the control on the bullet in the later period is facilitated. Preferably, the bottom end of the solid engine housing is in interference fit with the bottom end of the bullet bottom.

Preferably, the outer side of the bullet bottom is provided with a bullet belt which can bear high-temperature and high-pressure gas impact, the bullet belt is embedded into rifling during launching, gunpowder gas is sealed, the bullet rotates at a high speed, and stable flight of the bullet is guaranteed.

The utility model discloses a following technological effect: the utility model separates the separating bullet bottom mechanism from the bullet by using the fuel gas generated by the bottom discharge charge and the solid engine charge, and the solid engine continues to push the rest effective load to fly; the negative mass of the projectile in the flying process is effectively reduced by separating the projectile bottom mechanism, and the aim of further flying distance of the projectile under the same charging condition is fulfilled. The design method for separating the projectile bottom effectively reduces the negative mass of the projectile in the air flight process, is simple and convenient to realize, and has the advantages of safety, reliability and low use requirement.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic view of the structure of the projectile of the present invention;

FIG. 2 is a schematic structural diagram of the second embodiment.

Wherein, 1 is bullet bottom, 2 is hair-fixing igniter, 3 is bottom row igniter, 4 is bottom row casing, 5 is spray tube, 6 is solid engine, 7 is hair-fixing cartridge case, 8 is warhead, 9 is bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Example one

Referring to fig. 1, the present embodiment provides a projectile with separated bullet bottom and reduced mass range, which sequentially comprises a warhead 8, a solid engine and a separated bullet bottom mechanism; the solid engine comprises a solid engine housing 6, a solid engine cartridge 7, a nozzle 5 for ejecting combustion products and a solid ignition igniter 2; a solid engine cartridge 7 is arranged inside the solid engine housing 6.

The separating bullet bottom mechanism comprises a bullet bottom 1, a bottom row shell 4 and a bottom row igniter 3; the outlet of the spray pipe 5 and the bottom row shell 4 are both arranged in the bullet bottom 1; the bottom row shell 4 is arranged between the spray pipe 5 and the bullet bottom 1. The bottom row shell 4 is internally provided with a grain for containing propellant; one side of the solid engine shell 6 is fixedly connected to the warhead 8, the other side of the solid engine shell 6 is sleeved on the inner side end of the bullet bottom 1, and the bottom end of the solid engine shell 6 is in interference fit with the bottom end of the bullet bottom 1, so that the integrity of the bullet is guaranteed. The outside of the bullet bottom 1 is provided with a bullet belt which can bear high-temperature and high-pressure gas impact, the bullet belt is embedded into rifling during launching, gunpowder gas is sealed, the bullet rotates at a high speed, and stable flight of the bullet is guaranteed.

The utility model separates the separating bullet bottom mechanism from the bullet by using the fuel gas generated by the bottom discharge charge and the solid engine charge, and the solid engine continues to push the rest effective load to fly; the negative mass of the projectile in the flying process is effectively reduced by separating the projectile bottom mechanism, and the aim of further flying distance of the projectile under the same charging condition is fulfilled. The design method for separating the projectile bottom effectively reduces the negative mass of the projectile in the air flight process, is simple and convenient to realize, and has the advantages of safety, reliability and low use requirement.

Example two

Referring to fig. 2, the present embodiment provides a projectile with separated bullet bottom and reduced mass and increased range, and is different from the first embodiment in that a bearing 9 is arranged between a solid engine shell 6 and the bullet bottom 1, and the bearing 9 is fixedly arranged on the solid engine shell 6. In the process of launching the shell, the separation bullet bottom mechanism rotates at a high speed, the bullet and the separation bullet bottom mechanism are connected through the bearing, and the radial force borne by the bullet is small, so that the bullet rotates at a low speed under the action of inertia, the rotating speed of a bullet muzzle is effectively reduced, and the control of the bullet in the later period is facilitated.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. A bullet bottom separation subtracts matter increase journey shell which characterized in that: the device sequentially comprises a warhead (8), a solid engine and a separating bullet bottom mechanism; the solid engine comprises a solid engine housing (6), a solid engine cartridge (7), a nozzle (5) for ejecting combustion products and a hair-setting igniter (2); the solid engine cartridge (7) is arranged inside the solid engine housing (6);

the bottom separating mechanism comprises a bottom (1), a bottom row shell (4) and a bottom row igniter (3); the outlet of the spray pipe (5) and the bottom row shell (4) are both arranged in the bullet bottom (1); the bottom row shell (4) is internally provided with explosive columns containing propellant; one side of the solid engine shell (6) is fixedly connected to the warhead (8), and the other side of the solid engine shell (6) is connected with the bottom end of the bullet bottom (1).

2. The projectile of claim 1, wherein said projectile has a projectile bottom separated from said projectile bottom by a distance greater than said distance between said projectile bottom and said projectile bottom: the bottom row shell (4) is arranged between the spray pipe (5) and the bullet bottom (1).

3. The projectile of claim 1, wherein said projectile has a projectile bottom separated from said projectile bottom by a distance greater than said distance between said projectile bottom and said projectile bottom: the other side of the solid engine shell (6) is sleeved or bonded at the bottom end of the bullet bottom (1).

4. The projectile of claim 3, wherein said projectile has a projectile bottom separated from said projectile bottom by a distance greater than said distance between said projectile bottom and said projectile bottom: and a bearing (9) is arranged between the solid engine shell (6) and the bullet bottom (1), and the bearing (9) is fixedly arranged on the solid engine shell (6).

5. The projectile of claim 3, wherein said projectile has a projectile bottom separated from said projectile bottom by a distance greater than said distance between said projectile bottom and said projectile bottom: the bottom end of the solid engine shell (6) is in interference fit with the bottom end of the bullet bottom (1).

6. The projectile of claim 1, wherein said projectile has a projectile bottom separated from said projectile bottom by a distance greater than said distance between said projectile bottom and said projectile bottom: the outer side of the bullet bottom (1) is provided with a bullet belt.