RU2627917C1 - Counter-heat effects protection of objects - Google Patents

Abstract

FIELD: weapons and ammunition.

SUBSTANCE: counter-heat effects protection consists of a grid metal deflecting elements placed between thin-walled plane-parallel sheets and made in a form of a corrugation with an angle with a corrugation peaks of 20…30 degrees, and ceramic elements also made in the form of corrugation with an angle with the corrugation peaks of 40…60 degrees and placed between the thin-walled plane-parallel plates. The rear thin-walled plane-parallel sheet for corrugation in the form of metal grids is applied as an internal thin-walled plane-parallel sheet for ceramic corrugation and the rear walled plane-parallel sheet for ceramic corrugation together with a facial thin-walled plane-parallel sheet for corrugation in the form of metal grids form a holder to place both corrugations that represents a separate module. The modules are fixed on the side surfaces of the object and provide protection of materials and products against external impact.

EFFECT: improving security of hazardous materials or products thanks to design of the counter-heat effects protection.

2 cl, 2 dwg

Description

The invention relates to the field of ensuring the safety of explosive materials and products located primarily in mobile vehicles. Such materials and products include explosives (explosives), ammunition, including chemical and nuclear, solid fuel rockets of various classes, etc. Vehicles transporting these objects can be affected by conventional elements of destruction weapons (OSP): fragmentation elements ammunition, small arms bullets, cumulative jets of the corresponding ammunition (in particular, anti-tank grenades). The impact of these striking elements directly on explosive materials and products is possible both in the conditions of military operations and in peacetime when attacked by sabotage units, terrorist groups, and attacks by extremists. The most dangerous means of destruction are cumulative ammunition, which, as a rule, is available in sufficient quantities by saboteurs and terrorists. A particular danger of the effects of cumulative ammunition on explosive materials and products in vehicles is that a cumulative jet penetrating an explosive substance or a solid rocket fuel charge in the latter excites explosive transformation in the form of detonation, which is fraught with catastrophic consequences for transport the means in which they are located, and for the environment and surrounding objects. Therefore, vehicles in which explosive materials and products are transported must be reliably protected, at least from small-caliber cumulative ammunition with which sabotage and terrorist units are armed.

The search for technical solutions for means of protection against cumulative ammunition was carried out according to the sources of patent and technical information from Russia (USSR), the USA, Germany, France, Great Britain, and the European Patent Community for the period from 1980 to 2014.

The closest analogue of the claimed technical solution (prototype) can be considered the “Cumulative protective device of vehicles” according to the patent of the Russian Federation No. 2287128 of 10.11.2006. The device according to the specified patent is quite effective, but it has some disadvantages, which include relatively large dimensions protective equipment, a sufficiently high specific gravity (mass per unit surface), insufficient deflecting ability of the structural elements of the protective equipment.

The objective of the present invention is to remedy these shortcomings in terms of increasing the deflecting ability of one of the constituent structures (first layer) by using a frequent volumetric mesh (instead of a chain-link), as well as using it in the form of a corrugation fixed between two sheets of a sheet of metal sheet. To reduce the specific gravity, the use of a steel sheet with a thickness of 10 mm is excluded, instead of which high-strength ceramic is used in the form of plates, geometrically laid also in the form of a corrugation. Thus, the second layer of protective equipment possesses not only high strength in comparison with a steel sheet and a density 2 ... 3 times less than steel, but also is used as a reflective (deflecting) cumulative jet.

A comparative analysis of the technical solution with the prototype shows that the claimed technical solution differs from the prototype in that the metal mesh elements are placed between thin-walled plane-parallel sheets spaced 80 ... 100 mm in the form of a corrugation with an angle at the corrugation vertices of 20 ... 30 degrees, and ceramic elements also placed in the form of a corrugation between thin-walled plane-parallel sheets spaced 80 ... 100 mm apart, the angles at the vertices of this corrugation are 40 ... 60 degrees, with the back plate for the mesh corrugation a plate for corrugation made of ceramics and mesh, and the back plate of the ceramic corrugation together with the front plate of the mesh corrugation form a holder for accommodating both corrugations in it, and a thin-walled plate separating them. The holder with corrugations placed in it is formed as a protective equipment module.

The proposed anti-cumulative agent is also characterized in that the ceramic elements forming the second layer of protective equipment have a thickness of 10 ... 15 mm (for ceramics based on boron carbide, silicon carbide, aluminum oxide and other high-hard and high-strength ceramic materials) and the rib length is 120 ... 130 mm In addition, the means of protection is characterized in that the clips with corrugations in the form of modules are mounted on the vehicle from its lateral sides in the form of walls assembled from modules of a size that provide protection against external influences of explosive material or products in the vehicle.

Thus, the claimed technical solution meets the criterion of "Novelty."

The functioning of the invention is as follows. When a cumulative charge acts on the surface of the cage of the protective device, a charge fuse is triggered and a cumulative jet is formed, which passes through the corrugation wall of the deflecting grid, is fragmented and partially deflected. Further, the fragmented stream meets the inclined plate of the ceramic, undergoes further fragmentation and scattering of fragments, which, by the moment they exit the back layer of the cage, practically lose their breakdown and initiating ability. Since the explosive material or article located in the vehicle has its shell in the form of, for example, a container, the weakened fragments of the cumulative stream on the previous obstacles are no longer able to initiate explosive material or material of the product. The invention is illustrated in the drawing.

In FIG. 1 shows a diagram of the construction of the main part of the protection. Position 1 denotes a thin-walled front sheet of the cage, position 2 - corrugation of a frequent metal mesh, position 3 - inclined ceramic elements (plates), position 4 - the back sheet of the cage, position 5 - an intermediate thin-walled sheet, position 6 - studs fastening the corrugations of the mesh and ceramics.

In FIG. 2 shows a diagram of the attachment of protective equipment modules on a vehicle. Position 7 denotes a vehicle, position 8 - a protective equipment module, position 9 - a container wall of an explosive product, position 10 - an upper part of a safety device fastener on a vehicle.

Comparison of the claimed with other technical solutions did not reveal in them the signs that distinguish the claimed solution from the prototype, which allows us to conclude that the criterion of "Inventive step".

The presented design of the anti-cumulative means of protecting objects can also solve the tasks of protection against bullets of small arms and fragmentation elements.

Information sources

1. Anti-grenade and bulletproof protective device. RF patent №2122702 from 12.29.1997

2. The device of protection against cumulative shells. US patent No. 4368660 from 01/18/1983

3. Protective device. UK patent No. 2040029 of 09/03/1983

4. Armor to protect against cumulative charges. French Patent No. 2628831 of 09/22/1989

5. The design of the protective mesh for the armored vehicle. Germany patent No. OS 3226478 from 07/14/1988

6. Device for protecting objects in vehicles. RF patent No. 2196952 dated January 20, 2003.

7. Protective device of vehicles. RF patent No. 2287128 of 11/10/2006

8. Anti-cumulative and bulletproof protective equipment. RF patent No. 2540358 dated 12/18/2014

Claims (2)

1. An anti-cumulative means of protection for moving objects containing explosive materials or products, including deflecting elements in the form of frequent metal networks of volumetric weaving and high-strength ceramic elements, characterized in that the deflecting elements in the form of metal networks are placed between thin-walled plane-parallel sheets spaced 80 ... 100 mm, and are made in the form of a corrugation with an angle at the vertices of the corrugation of 20 ... 30 °, and ceramic elements are also made in the form of a corrugation with an angle at the vertices of this corrugation of 40 ... 60 ° and placed between thin-walled plane-parallel sheets spaced 80 ... 100 mm apart, the back thin-walled plane-parallel corrugation sheet in the form of metal meshes serves as the internal thin-walled plane-parallel sheet for ceramic corrugation, and the rear thin-walled plane-parallel sheet for ceramic corrugation together with the front thin-walled thin-walled sheet in the form of metal grids form a holder for placement of both corrugations in it, which is a separate module for the possibility of fixing it on the lateral surfaces of the object and ensure the protection of materials and products from external influences. 2. The protective equipment according to claim 1, characterized in that the ceramic elements forming the second layer of protective equipment have a thickness of 10 ... 15 mm and a rib length of 120 ... 130 mm.

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