RU2443967C1 - Cassette warhead - Google Patents

Abstract

FIELD: weapons and ammunition.

SUBSTANCE: cassette warhead comprises a shell with bottoms, a cassette with damaging agents, a piston, a forcing unit, an ejection charge and a safety adaptor. The cassette comprises a head and a bottom sections. The cassette has a source of energy made in the form of a low-temperature gas generator. Each section of the cassette is equipped with freely arranged and block elements that are coaxially placed in the section. Elements are fixed to each other by an elastic perforated jacket made in the form of a collapsible cylinder. Longitudinal edges of the cylinder are joined with ejection explosive charges equipped with moderating devices. Freely arranged damaging elements are fixed in insert peripheral cells of the central support by means of blocks and the shell. The support is made of porous material. Number of damaging elements freely arranged in cassette sections makes 0.2-0.4 of the total quantity of damaging elements arranged in the warhead.

EFFECT: more even distribution of large quantity of small-sized damaging elements on the damage area.

3 dwg

Description

The invention relates to the field of rocketry, and in particular to cluster warheads (KGCH) for various purposes, separated during the movement along the trajectory.

The actual direction of increasing the effectiveness of combat employment of MLRS is the development of multiple rockets (RRS) equipped with warheads (warheads) of cluster type. The practical realization of the advantages of ammunition of this type requires finding rational structural designs of the RRS, warhead layouts and the principles of forced dispersion of combat elements that ensure their uniform rational distribution over the required area in order to make full use of the combat qualities of each element.

There are known constructive solutions that to some extent solve the task. So, according to A.S. No. 80005 from 11.24.72 (MKI F42B 15/24) known for the design of the cartridge head unit, comprising a fairing, a shell with a bottom, a cartridge with warheads, powder charges and a boost unit. A distinctive feature of the KCH is the presence of an intermediate piston and a misoriented placement of combat elements in sections of the cartridge. The specified design KGCH has good operational characteristics, but, due to the small number of combat elements in the cartridge does not require the use of scattering mechanisms.

Thus, the objective of this technical solution was the development of a simplified design of KGCH with a small amount of BE, ensuring the defeat of a relatively small area target.

Common features with the design of the cassette head proposed by the authors is the presence of a shell with a bottom, cartridges with combat elements, powder charges and a boost unit.

The closest in technical essence and the achieved technical effect associated with an increase in the dispersion area and a more uniform placement of combat elements over the target area is the design of the cluster head, known according to the patent of the Russian Federation No. 2166177 dated 03/29/2000 (published on 04/27/01 Bulletin No. 12). The cassette head contains a shell with a bottom, cartridges with warheads, powder charges, boost units and a temporary device. Cassettes are made in the form of guide tubes and are equipped with starting devices with a removable bottom and a piston.

The specified design, which has several tens of combat elements in cartridges, allows you to increase the dispersion area of combat elements on the ground, but does not provide sufficient uniform distribution of combat elements in the central zone of destruction. Thus, the objective of this technical solution was to increase the defeat zone of the cluster head while reducing power loads acting on the stabilization units of combat elements at the time of separation.

Common signs of a well-known technical solution (prototype) with the design of the cassette head proposed by the authors is the presence of a shell with bottoms, cartridges with combat elements, a piston, a boost assembly, expelling charge (VZ) and a safety-executive device.

Unlike the prototype, in the proposed design solution, the cartridge consists of a head and bottom sections and has an energy source made in the form of a low-temperature gas generator (GG).

Each section of the cassette is equipped with freely located BEs and combat elements arranged in blocks.

Blocks of combat elements are coaxially placed in sections and fastened together by an elastic perforated casing, made in the form of a folding cylinder, the longitudinal edges of which are connected by pyro locks equipped with delay devices.

Freely located combat elements by means of a shell and blocks are fixed in inset peripheral cells of a central support made, for example, of a porous material.

The number of combat elements freely located in the sections of the cartridge is 0.2-0.4 of the total number of combat elements located in the warhead.

These distinctive features, to which the requested amount of legal protection applies, are substantial and sufficient to achieve a new technical result.

The objective of the invention is to develop a design of the head of the cartridge type, providing a more uniform distribution on the affected area of a large number (300-600 pcs.) Of small-sized combat elements equipped with a gas-dynamic fuse engagement system and a "soft" stabilization system (block).

The specified technical result is achieved due to the fact that in the known design of the head of the cassette type, which includes a shell with bottoms, a cassette with BE, a piston, a forcing unit, an expelling charge and a safety-actuating mechanism, a new set of structural units and elements has been introduced, their mutual arrangement and connections are changed.

In particular, the implementation of the cartridge in the form of two (head and bottom) sections and supplying them with an energy source in the form of a low-temperature gas generator allows:

- halve the axial overloads acting on the BE in the process of separation of KGCh;

- more evenly distribute the power and thermal parameters along the length of the cartridge;

- to provide the possibility of using a large number of small BE equipped with fuses with a gas-dynamic activation system and the "soft" principle of stabilization, which uses, for example, nylon parachute belts sintered at high ambient temperature (gas generator combustion products).

The supply of sections with block combat elements coaxially placed in the sections and fastened together by an elastic perforated casing made in the form of a folding cylinder, the longitudinal edges of which are connected by pyrozamas with delay devices, allows (due to the pressure in the cartridge, as well as the inertial aerodynamic forces acting on the blocks in the process of separation and movement along the trajectory) provide the maximum possible area of dispersion of BE on the ground. At the same time, the nature of the deployment of the BE on the target area can be controlled by choosing the delay time for the operation of the pyro locks, which release the combat elements from fixing in the casing at a given point on the trajectory.

The supply of sections with freely located warheads, fixed by means of blocks and shell in inset peripheral cells of the central support, made, for example, of porous foam, allows the BE to be distributed in the central zone of the affected area and thereby provide a more uniform distribution of the BE across the target area necessary for the most full use of the combat qualities of each striking element. Moreover, as shown by the results of a theoretical analysis of the operation of the MCC, the proportion of combat elements freely located in sections of the cartridge depends on the caliber of the RRS and is 0.2-0.4 of the total number of EBs in the warhead.

Thus, the listed design features of the separable KGC allow, by supplying the cartridge sections with a composition of freely located and block combat elements located in the central and peripheral zones of destruction, a more uniform distribution of the damaging factor over the target area, and the choice of a rational ratio of these types of BE in the cartridge ( 0.2 ÷ 0.4) allows you to realize the maximum effectiveness of the combat use of KHG on the affected area.

Signs that distinguish the proposed technical solution from the prototype are not identified in other technical solutions in the process of conducting patent research, which allows us to conclude that the invention meets the criterion of "novelty."

Studying the level of technology during the patent search for all types of information available in the countries of the former USSR and foreign countries, it is established that the proposed technical solution does not explicitly follow from the prior art. Therefore, we can conclude that the invention meets the criterion of "inventive step".

The essence of the invention is illustrated by drawings, where in Fig.1 shows a General view of the KGCH, and in Fig.2 and 3 are transverse sections of the design of the head part.

The separable warhead of the cartridge type includes a shell 4 with bottoms 1.12, a cartridge 5 with warheads, a piston 11, a boost assembly 13, a discharge charge 14 and a safety-actuating mechanism 8. The cartridge consists of a head 2 and a bottom 9 sections and has an energy source 10 made in the form of a low-temperature gas generator.

Each section of the cartridge is equipped with freely spaced 17 and block 15 elements. Blocks of combat elements, coaxially placed in the section, are fastened together by an elastic perforated casing 3, made in the form of a folding cylinder, the longitudinal edges 7 of which are connected by pyro-locks 6, equipped with retardation devices.

Freely located combat elements by means of blocks and shells are fixed in inset peripheral cells of the central support 16, made, for example, of a porous material.

The number of combat elements freely located in the sections of the cartridge is 0.2-0.4 of the total number of combat elements located in the warhead.

Cassette head works as follows.

During the projectile’s movement along the trajectory at the estimated time, the safety-actuating mechanism 8 generates an initiating pulse to activate the low-temperature gas generator 10. When the GG is triggered due to the perforation in the casing 3, the set pressure of the low-temperature gases is created in the casing 5 of the cartridge 5, which is necessary for cocking block fuses 15 and freely located 17 combat elements.

After a certain period of time, the gas generator gives an impulse to activate the expelling charge 14.

The combustion products of the expelling charge fill the piston cavity and, while providing pressure on the piston 11 necessary to break the bursting bolts of the forcing unit 13, the cartridge 5 extends from the shell 4. When the head 2 and bottom 9 sections of the shell shear cartridge pass through due to the internal pressure in the shell and rotation of the warhead provides the output of block and freely located combat elements from the central supports 16 of the cartridge.

After opening the KGCH in free warheads due to the action of aerodynamic forces, “parachute” tapes are put in place, which ensure a stable movement of the BE and their approach to the affected surface at an angle close to 85-90 °.

During the movement of the blocks with the BE at the required time due to the operation of the retardation devices, the activation of the pyro locks 6 is released, releasing the longitudinal edges of the folding casing 7. Due to the elasticity of the material of the casing and the action of the high-speed pressure of the air medium, the casing is opened, combat elements are released and their further behavior becomes similar the behavior of freely located BEs.

The positive effect of the described dispersion method is due to the fact that free BE and blocks with BE significantly differ in the levels of inertial and aerodynamic forces. As a result, the grouping centers of BEs, which are scattered naturally and with a delay from the blocks, are at a considerable distance, which for the BE type under consideration is about 200 m. Considering the data on the natural dispersion of free elements and the dispersion of blocks, by analyzing the efficiency indicators of KGCh with a different number of combat elements it was found that the proportion of freely located BE should be 0.2-0.4 of the total number of combat elements in the warhead. This ratio allows you to get a uniform distribution of BE on the affected area, which ensures a more complete implementation of the combat qualities of each element and thereby the entire warhead.

Thus, the implementation of the above structural differences of the claimed invention allows you to develop a rational design KGCH, providing the possibility of uniform distribution over the target area of a large number of small combat elements with a gas-dynamic engagement system and "soft" stabilization elements.

The stated positive effect is confirmed by the numerous results of the bench and flight tests of prototypes of cluster warheads designed for unguided rockets of multiple launch rocket systems.

Claims (1)

A cassette head containing a shell with bottoms, a cartridge with warheads, a piston, a forcing unit, a knockout charge and a safety-actuating mechanism, characterized in that the cartridge consists of a head and bottom sections and has an energy source made in the form of a low-temperature gas generator, each section of the cartridge is equipped with freely located and block elements coaxially placed in the section and fastened together by an elastic perforated casing, made in the form of a folding cylinder, the longitudinal edges of which are connected by pyro-locks equipped with delay devices, and freely located combat elements by means of blocks and shells are fixed in inset peripheral cells of the central support made, for example, of porous material, the number of combat elements freely located in the cartridge sections is 0.2 -0.4 of the total number of combat elements stationed in the warhead.

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