Concentrated energy / kinetic energy series penetration structural body

Abstract

The invention belongs to the technical field of deep underground target penetration, and particularly relates to an energy gathering / kinetic energy series penetration structural body which comprises a charging shell, the front end of the charging shell is provided with an opening, a shaped charge liner is arranged at the opening of the front end of the charging shell in an adhesive mode, the rear end of the charging shell is fixedly connected with a rear-stage connecting part, and the rear-stage connecting part is fixedly connected with the charging shell. The rear end of the rear-stage connecting part is connected with a rear-stage main projectile body, a charging buffer layer is arranged at the front end of an inner cavity of the rear-stage main projectile body, a rear-stage fuze is installed at the rear end of the rear-stage main projectile body, and the charging shell and the rear-stage main projectile body are both filled with gunpowder. Wide-speed-range penetration is achieved through the series connection structure, the rear-stage connecting part extends into the charging shell to be in threaded connection with the charging shell, the rear-stage connecting part is protected against damage by utilizing three-direction pressure stress generated by explosive detonation, meanwhile, the length of the rear-stage connecting part can be adjusted, the rear-stage connecting part is used for protecting a penetration projectile body structure under the condition of different penetration target-hitting speeds, and the penetration target-hitting speed is improved. And therefore, the purpose of increasing the penetration power is achieved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of deep underground target penetration, and particularly relates to a structure of penetration in series of energy gathering and kinetic energy. BACKGROUND

[0002] With the modernization of the defense system of each country, high-value targets with strategic significance (such as military command posts, nuclear weapon facilities, missile silos, communication control protection works, aircraft hangars, etc.) have been realized as fortresses. With the increasing maturity of all-hypersonic vehicles and guidance technology, it has become possible to penetrate deep underground enemy targets at super-high speed.

[0003] Traditional conventional penetration structures all have the phenomenon of reverse reduction of penetration depth under the condition of super-high speed (greater than 5Ma) penetration. With the increase of speed, the penetration structure fails, and the penetration ability sharply decreases. The contribution in the direction of penetration depth is even lower than that under the condition of conventional penetration speed, and the super-high speed kinetic energy cannot be played in the direction of penetration. Although the overall penetration bomb structure can effectively increase the upper limit of the penetration speed by means of reasonable structural design, increasing the strength of the material, reducing the filling ratio and increasing the shell wall thickness, the effect is very limited and cannot solve the fundamental problem.

[0004] The traditional penetration structure adopts an overall structure. Under the action of conventional penetration speed (2.5Ma), the penetration stress and overload are small, and the strength limit of the bomb body material is not reached. The penetration of the target plate under this speed condition is quasi-rigid penetration, the bomb trajectory is basically collimated, and the deformation and mass loss of the bomb body can be basically ignored. However, with the increase of target speed, the bomb erosion increases sharply, and the traditional overall penetration structure has low penetration efficiency and cannot complete the established technical indicators. SUMMARY

[0005] The application provides a structure of penetration in series of energy gathering and kinetic energy to solve the above problems.

[0006] In order to achieve the above purpose, the application adopts the following technical scheme: A structure of penetration in series of energy gathering and kinetic energy, comprising a charge shell, the front end of the charge shell is provided with an opening, a shaped charge liner is attached at the opening of the front end of the charge shell, a compression ring is provided at the front end of the charge shell and the shaped charge liner, the compression ring is in U shape, and the compression ring is threadedly connected with the charge shell and the shaped charge liner, a rear connection part is fixedly connected to the rear end of the charge shell, a rear main bomb body is connected to the rear end of the rear connection part, a charge buffer layer is arranged at the front end of the inner cavity of the rear main bomb body, a rear fuze is installed at the rear end of the rear main bomb body, and gunpowder is filled in the charge shell and the rear main bomb body.

[0007] Further, the rear connection part is an integral structure.

[0008] Further, the rear connecting part is a split structure, comprising a rear guard rod and a rear sheath, the rear guard rod is arranged inside the rear sheath, the front end of the rear sheath is threadedly connected with the charge shell, and the rear end of the rear sheath is threadedly connected with the rear main projectile body.

[0009] Further, the material density of the rear guard rod is greater than that of the rear sheath.

[0010] Further, the material of the rear guard rod is super-high-strength alloy steel, and the material of the rear sheath is tungsten-based ceramic alloy.

[0011] Further, the material of the shaped charge is any one of red copper, steel, tantalum, rare earth-based active material and zirconium-based active material.

[0012] Further, the shaped charge is an equal-wall-thickness structure or a variable-wall-thickness structure.

[0013] Further, the shape of the shaped charge is any one of a conical shape, a spherical segment, a double cone, a horn, a hyperbola or a ring.

[0014] Compared with the prior art, the present application has the following advantages: The present application realizes wide-speed-domain penetration through a series structure, the rear connecting part is threadedly connected with the charge shell, three-directional compressive stress generated by the explosion of the explosive is utilized to protect the rear connecting part from being damaged, the length of the rear connecting part can be adjusted, the structure of the penetrating projectile body is protected under different penetration target speed conditions, and the penetration power is increased.

[0015] The present application realizes pre-piercing and damage of the target plate by using the shaped charge structure of the charge shell and the shaped charge, the rear connecting part and the rear main projectile body penetrate and continuously penetrate self-sharpening, the problem that the penetration depth is inversely reduced due to the material failure of the projectile body under the condition of super-high-speed penetration is solved, a technical breakthrough is made in the field of super-high-speed penetration, the penetration efficiency is improved, and the penetration power of the super-high-speed penetration is increased by 50% compared with the traditional integral penetration structure.

[0016] The present application can effectively improve the penetration depth of concrete targets whether it is low-speed penetration or super-high-speed penetration. At the same time, the structure is compact, the space utilization rate is high, and the ballistic collimation is good, which can ensure the complete structure of the rear main projectile body and the penetration power. The present application can improve the space utilization rate of the cabin and the terminal penetration power. The present application can improve the penetration ability in the whole speed domain and meet the needs of different technical indexes and different battlefield environments. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The present application is a structural schematic diagram; Figure 2This is a schematic diagram of the structure of the rear-stage connection part in this invention; In the figure, the propellant casing is 1, the propellant liner is 2, the pressure ring is 3, the rear stage connection part is 4, the rear stage main body is 5, the propellant buffer layer is 6, the rear stage fuse is 7, the rear stage guard rod is 401, and the rear stage sheath is 402. Detailed Implementation

[0018] To further illustrate the technical solution of the present invention, the present invention will be further described below through embodiments. Example 1

[0019] like Figure 1 and Figure 2 As shown, a shaped charge / kinetic energy tandem penetration structure includes a propellant housing 1 with an open front end. A shaped charge liner 2 is bonded to the open front end of the propellant housing 1. A U-shaped pressure ring 3 is provided at the front ends of both the propellant housing 1 and the shaped charge liner 2. The pressure ring 3 is threadedly connected to the propellant housing 1 and the shaped charge liner 2. A rear stage connection part 4 is fixedly connected to the rear end of the propellant housing 1. A rear stage main projectile 5 is connected to the rear end of the rear stage connection part 4. A propellant buffer layer 6 is provided at the front end of the inner cavity of the rear stage main projectile 5. A rear stage fuse 7 is installed at the rear end of the rear stage main projectile 5. Both the propellant housing 1 and the rear stage main projectile 5 are filled with gunpowder.

[0020] The rear stage connecting part 4 is a split structure, including a rear stage guard rod 401 and a rear stage sleeve 402. The rear stage guard rod 401 is disposed inside the rear stage sleeve 402. The front end of the rear stage sleeve 402 is threadedly connected to the propellant housing 1, and the rear end of the rear stage sleeve 402 is threadedly connected to the rear stage main projectile body 5. The material density of the rear stage guard rod 401 is greater than that of the rear stage sleeve 402. The rear stage guard rod 401 is made of ultra-high strength alloy steel, and the rear stage sleeve 402 is made of tungsten-based ceramic alloy.

[0021] The shaped charge liner 2 is made of any one of the following materials: copper, steel, tantalum, rare earth-based active materials, and zirconium-based active materials. The shaped charge liner 2 has a constant wall thickness or a variable wall thickness structure. The shape of the shaped charge liner 2 is any one of the following: conical, spherical cap, double cone, trumpet, hyperbola, or annular. Example 2

[0022] In this embodiment, the rear connection part 4 is an integral structure.

[0023] The foregoing has shown and described the main features and advantages of the present invention. It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within the present invention.

[0024] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A shaped / kinetic tandem penetrating structure, characterized by: The application relates to a propellant charge shell, which comprises a propellant charge shell (1), the front end of the propellant charge shell (1) is provided with an opening, a shaped charge liner (2) is bonded at the front end opening of the propellant charge shell (1), a pressing ring (3) is arranged at the front end of the propellant charge shell (1) and the shaped charge liner (2) in common, the pressing ring (3) is in a U shape, the pressing ring (3) is screwed with the propellant charge shell (1) and the shaped charge liner (2), a rear connecting part (4) is fixedly connected to the rear end of the propellant charge shell (1), a rear main body (5) is connected to the rear end of the rear connecting part (4), a propellant charge buffer layer (6) is arranged at the front end of the inner cavity of the rear main body (5), a rear fuze (7) is arranged at the rear end of the rear main body (5), and the propellant charge shell (1) and the rear main body (5) are filled with gunpowder.

2. The tandem shaped-charge / kinetic-energy projectile structure according to claim 1, characterized in that: The rear connecting part (4) is in an integral structure.

3. The tandem shaped-charge / kinetic-energy projectile structure according to claim 1, characterized in that: The rear connecting part (4) is in a split structure and comprises a rear rod (401) and a rear sleeve (402), the rear rod (401) is arranged in the rear sleeve (402), the front end of the rear sleeve (402) is screwed with the propellant charge shell (1), and the rear end of the rear sleeve (402) is screwed with the rear main body (5).

4. The shaped-kinetic energy tandem penetrating structure according to claim 3, characterized in that: The material density of the rear rod (401) is greater than that of the rear sleeve (402).

5. The shaped-kinetic energy tandem penetrating structure according to claim 4, wherein: The rear rod (401) is made of super-high-strength alloy steel, and the rear sleeve (402) is made of tungsten-based ceramic alloy.

6. The tandem shaped-charge / kinetic-energy projectile structure of claim 1, wherein: The shaped charge liner (2) is made of any one of red copper, steel, tantalum, rare earth-based active material and zirconium-based active material.

7. The tandem shaped-charge / kinetic-energy projectile structure of claim 1, wherein: The shaped charge liner (2) is in an equal-wall-thickness structure or a variable-wall-thickness structure.

8. The shaped-kinetic energy tandem penetrating structure of claim 1, wherein: The shaped charge liner (2) is in any one of a conical shape, a spherical segment, a double cone, a horn, a hyperbola or a ring shape.

Images