CN211195167U

CN211195167U - Armored car bulletproof door composite plate

Info

Publication number: CN211195167U
Application number: CN201922032319.3U
Authority: CN
Inventors: 龚勋; 徐涛; 田鑫; 伊恒彬
Original assignee: Liaoning Yifei Technology Co ltd
Current assignee: Liaoning Yifei Technology Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-08-07
Anticipated expiration: 2029-11-22

Abstract

The utility model relates to a composite board, in particular to a composite board for armored car bulletproof doors, which comprises a panel and a back board, wherein the panel is a ceramic panel, the inner surface and the outer surface of the panel are both covered with crack-stopping layers, and the outer surface of the panel is provided with a protective layer outside the crack-stopping layers; the back plate is a bulletproof steel plate and is arranged in the crack-stopping layers on the inner surface and the outer surface of the panel, and the inner surface of the back plate is provided with a heat-insulating layer; and a high-molecular polyethylene fiber board is arranged between the crack-stopping layer on the inner surface and the outer surface of the panel and the back plate. The utility model discloses a nonmetal shellproof combined material cooperation armor plate not only effectively reduces whole board quality, has reached the lightweight requirement, has kept good bulletproof performance moreover, still has characteristics such as thermal-insulated effectual, easy shaping curved surface component, can be used to vehicle interior trim, further performance vehicle dynamic property reduces fuel consumption, and the energy saving has good social economic benefits.

Description

Armored car bulletproof door composite plate

Technical Field

The utility model relates to a composite board, a armoured car bulletproof door composite board particularly.

Background

In order to meet the requirement of bulletproof performance, armored vehicles such as Dongfeng brave warrior high-maneuverability off-road vehicles are additionally provided with bulletproof steel plates with corresponding thicknesses when being refitted, so that the reconditioning quality is greatly increased, the fuel consumption is aggravated, and the operational maneuverability of the vehicles is influenced. Therefore, the light weight, economy, maneuverability, and body shape and appearance suitable for city driving of the bulletproof vehicle are urgently needed.

The modified boron carbide is a superhard material, the hardness of the modified boron carbide is second to that of diamond, and the modified boron carbide is an ideal wear-resistant material; the density of the modified boron carbide is very small (the theoretical density is 2.48-2.52 g/cm)³) The ceramic material is lighter in weight, has high hardness (HV 3100-3200), and can be used in the field of aerospace; boron carbide has strong neutron absorption capacity and good thermal stability, and can also be used in the field of nuclear industry. The modified boron carbide has excellent chemical performance, does not react with acid, alkali and most inorganic compounds at normal temperature, and is one of the most stable compounds in chemical property.

Disclosure of Invention

The utility model aims at providing a bulletproof car door of armoured vehicle combined material board can effectively reduce bulletproof car door and reorganize and prepare the quality, realizes the lightweight, has guaranteed vehicle operation mobility.

According to the technical scheme of the utility model, the composite material plate for armored car bulletproof doors comprises a panel and a back plate, wherein the panel is a ceramic panel, the inner surface and the outer surface of the panel are both covered with crack-stopping layers, and a protective layer is arranged outside the crack-stopping layers on the outer surface of the panel; the back plate is a bulletproof steel plate and is arranged in the crack-stopping layers on the inner surface and the outer surface of the panel, and the inner surface of the back plate is provided with a heat-insulating layer; and a high-molecular polyethylene fiber board is arranged between the crack-stopping layer on the inner surface and the outer surface of the panel and the back plate.

Further, the ceramic panel is a nitride modified boron carbide ceramic panel.

Furthermore, the panel is formed by bonding regular hexagonal ceramic panels by using an adhesive.

Further, the adhesive is epoxy resin.

Furthermore, the crack-stopping layer is aramid fiber cloth.

Furthermore, the protective layer adopts a polyurea coating with the thickness of 4-6mm, and the heat insulation layer adopts a fiber heat insulation board with the thickness of 8-10 mm.

Furthermore, the thickness of the panel is 10-14mm, the thickness of the back plate is 4-6mm, and the thickness of the high molecular polyethylene fiber plate is 8-12 mm.

The beneficial effects of the utility model reside in that: the nonmetal bulletproof composite material is adopted to match with the bulletproof steel plate, so that the quality of the whole plate is effectively reduced, the requirement on light weight is met, good bulletproof performance is kept, the heat insulation effect is good, curved surface members are easy to form, and the like.

Drawings

Fig. 1 is a schematic structural diagram of the bulletproof vehicle door of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic structural diagram of the panel of the present invention.

Description of reference numerals: 1-panel, 2-back panel, 3-crack-stop layer, 4-high molecular polyethylene fiber board, 5-protective layer, 6-heat-insulating layer, 7-frame, 8-door board, 9-bulletproof glass, 10-bulletproof steel bracket, 11-fastener, 12-hinge and 13-hydraulic door closer.

Detailed Description

The invention will be further described with reference to the following specific embodiments and the accompanying drawings.

As shown in fig. 1, the utility model discloses shellproof door is opened the window and is installed shellproof glass 9 including door plant 8, the upper portion of door plant 8 of installing in frame 7, is equipped with shellproof rigid support 10 between shellproof glass 9 and the window and utilizes fastener 11 to link to each other with frame 7, and one side of frame 7 is equipped with the hydraulic pressure door closer 13 that is used for controlling shellproof door and opens and shuts 12 that are convenient for shellproof door to open and shut. The fastening piece 11 can adopt a bulletproof rigid frame structure, and the door plate 8 adopts a composite material plate.

As shown in fig. 2: a composite material plate for a bulletproof door of an armored vehicle comprises a panel 1 and a back plate 2. The panel 1 is a ceramic panel, the inner surface and the outer surface of the panel 1 are covered with crack stop layers 3, the outer part of each crack stop layer 3 is provided with a protective layer 5, and the crack stop layers 3 on the inner surface of the panel 1 and the back plate 2 are internally provided with high-molecular polyethylene fiber plates 4; the back plate 2 is a bulletproof steel plate and is arranged in the high-molecular polyethylene fiber plate 4; by using the non-metallic composite material, the thickness of the bulletproof steel plate is reduced, the whole plate quality of the bulletproof vehicle is effectively reduced, and the light weight is realized. A protective layer 5 is arranged outside the crack stop layer 3 on the outer surface of the panel 4, and a heat preservation and insulation layer 6 is arranged on the inner surface of the back plate 2; by adopting a multilayer composite structure, the bulletproof vehicle door has the excellent characteristics of bulletproof property, impact resistance, light weight, corrosion resistance, fire resistance and the like.

Specifically, the ceramic panel is a nitride modified boron carbide ceramic panel, the panel 1 is formed by bonding regular hexagonal ceramic panels by using an adhesive, and the adhesive can be epoxy resin. The nitride modified boron carbide ceramic material has a series of excellent performances of high hardness, low density, good thermal stability, strong chemical erosion resistance, high bulletproof grade and the like, and can be used in bulletproof interlayers of bulletproof doors; the bulk density is generally from 2.5 to 2.52g/cm³Only the density of the bulletproof steel is 1/3-1/4, and the specific strength of the bulletproof steel is 1-2 times of that of the bulletproof steel. Therefore, the nitride modified boron carbide ceramic material can greatly reduce the weight of vehicles for protection, or provide higher bulletproof protection performance under the same weight condition. The crack-stopping layer 2 can be made of aramid fiber cloth and has high breaking strength. The protective layer 5 adopts a polyurea coating with the thickness of 4-6mm, and the heat insulation layer 6 adopts a fiber heat insulation board with the thickness of 8-10 mm. The bulletproof performance of the door panels under different thicknesses is compared, and the result shows that the thickness of the door panel can directly influence the penetration resistance performance of the door panel, the bullet residual speed is linearly reduced in a certain range along with the increase of the thickness of the panel, but the thickness of the door panel is increased, the quality of the door is increased, the cost is increased, the performance and the cost of materials are comprehensively considered, the thickness of the panel 1 is 10-14mm, the thickness of the back plate 2 is 4-6mm, the thickness of the high-molecular polyethylene fiber plate 4 is 8-12mm, in one embodiment, the thickness of the panel 1 is 12mm, the thickness of the back plate 2 is 5mm, and the thickness of the high-molecular polyethylene fiber plate 4 is 10 mm.

The utility model discloses combined material adopts pottery and the compound material lamination board of fibre, can be used to prevent penetrating first bullet and broken first bullet, utilize the superior tensile strength of macromolecular polyethylene fibreboard and the peculiar shock-resistant hardness of pottery, the cooperation is as the compound novel bulletproof material that forms of bulletproof steel sheet of backplate, compare with the common bulletproof steel sheet of bulletproof vehicle, have light in weight under the equal shellproof protective capability condition, the characteristics that the manufacturability is good, the shellproof car that adopts this combined material board accords with GA668 standard B level bulletproof protection's nonmetal combined material lightweight technology (56 formula 7.62mm is worn first bullet for the inspection, warhead speed 719m/s-727m/s, the shooting bullet number is 6 times, every sample 3 times, the test result does not puncture), to the upgrading of current shellproof car protection level, good economic nature and social. Meanwhile, the heat-insulating and heat-preserving composite material is provided with the protective layer and the heat-insulating and heat-preserving layer, has the characteristics of good heat-insulating effect, easy forming of curved surface components and the like, can be used for vehicle interior trim, further exerts the vehicle dynamic performance, reduces the fuel consumption, saves the energy and has good social and economic benefits.

Claims

1. The composite material plate for the armored car bulletproof door comprises a panel (1) and a back plate (2), and is characterized in that the panel (1) is a ceramic panel, both the inner surface and the outer surface of the panel (1) are covered with crack-stopping layers (3), and a protective layer (5) is arranged outside the crack-stopping layers (3) on the outer surface of the panel (1); the back plate (2) is a bulletproof steel plate and is arranged in the crack stopping layers (3) on the inner surface and the outer surface of the panel (1), and the inner surface of the back plate (2) is provided with a heat insulation layer (6); and a high-molecular polyethylene fiber board (4) is also arranged between the crack-stopping layer (3) on the inner surface and the outer surface of the panel (1) and the back plate (2).

2. The composite panel for armored vehicle doors according to claim 1 wherein the ceramic panel is a nitride modified boron carbide ceramic panel.

3. Composite panel for armoured vehicle anti-ballistic doors according to claim 1 or 2, characterized in that said panels (1) are made of ceramic panels of regular hexagonal shape bonded by means of an adhesive.

4. The composite sheet for armored doors according to claim 3 wherein the adhesive is an epoxy.

5. Composite sheet for armoured vehicle door against ballistic projectiles according to claim 1 characterized in that said crack stop layer (3) is an aramid fiber cloth.

6. The composite plate for armored vehicle door according to claim 1, wherein the protective layer (5) is a polyurea coating with a thickness of 4-6mm, and the thermal insulation layer (6) is a fiber thermal insulation plate with a thickness of 8-10 mm.

7. Composite sheet for armoured vehicle anti-ballistic doors according to claim 1 characterized in that the thickness of the panel (1) is comprised between 10 and 14mm, the thickness of the back sheet (2) is comprised between 4 and 6mm and the thickness of the high molecular polyethylene fiber sheet (4) is comprised between 8 and 12 mm.