11results about How to "Improve ballistic performance" patented technology

The utility model relates to the technical field of bulletproof plugboards, and discloses a split mounting type bulletproof plugboard which comprises a plugboard frame and a main bulletproof plate assembly, a mounting groove used for mounting the main bulletproof plate assembly is formed in the front side of the plugboard frame, the main bulletproof plate assembly is mounted in the mounting groove in a matched mode, and a cover plate is mounted on the top of the plugboard frame in a matched mode. And the bottom of the cover plate is in compression fit with the main bulletproof plate assembly. According to the main bulletproof plate assembly of the assembled structure, a bulletproof inserting plate is divided into a plurality of bulletproof block units, the situation that the bulletproof plate is impacted, consequently, all ceramic pieces of the bulletproof plate crack, and the bulletproof effect of the bulletproof plate is affected is avoided, bulletproof blocks and assembled battens are clamped and matched through clamping grooves and clamping blocks, the bulletproof blocks are convenient to disassemble and assemble, and the bulletproof effect is improved. And the clamping stability of the bulletproof block is guaranteed through the clamping structure distributed in the cross shape, later replacement and maintenance are facilitated, and the consumption cost of the bulletproof plate is greatly saved.

The utility model discloses sound-insulation and heat-insulation hollow glass with a bulletproof effect, which relates to the field of glass and comprises a bulletproof glass layer, a heat-insulation glass layer is fixedly connected to one side of the bulletproof glass layer, and a sound-insulation glass layer is fixedly connected to one side, far away from the bulletproof glass layer, of the heat-insulation glass layer. The bulletproof glass layer comprises an outer glass layer, a bulletproof middle layer and an inner glass layer, the outer glass layer is toughened glass, the bulletproof middle layer is formed by compounding polycarbonate and polyvinyl butyral, and the inner glass layer is a toughened glass layer. According to the bulletproof door, bulletproof protection is provided, meanwhile, external noise and heat transfer can be effectively isolated, and therefore the safety is improved, meanwhile, a more comfortable indoor environment is ensured, heat and sound transfer is effectively reduced, and the heat insulation and sound insulation performance is improved.

The utility model relates to a curtain. The bulletproof curtain comprises curtain cloth, the curtain cloth comprises flexible buffering light-transmitting curtain pieces and bulletproof curtain pieces which are arranged in a staggered mode, and each bulletproof curtain piece comprises at least one bulletproof layer; when the curtain cloth is unfolded, light penetrates into the flexible buffering light-transmitting curtain pieces, when the curtain cloth is folded, the bulletproof curtain pieces are overlapped to form a plane to form a bulletproof face, and the flexible buffering curtain pieces form an arc buffering face. The utility model provides a bulletproof curtain which is simple in structure, capable of transmitting light to meet the requirement for normal curtain use, capable of achieving the bulletproof effect and high in safety. The technical problems that in the prior art, a curtain can only shield light, external large impact force cannot be effectively prevented, and personal safety cannot be protected are solved.

This utility model belongs to the field of anti-theft door technology and discloses a multi-level anti-theft door with bulletproof level, including a door frame; a door body, the door body being disposed within the door frame; the door body including a shell, a central layer frame being disposed within the shell, the central layer frame being detachably connected to the shell; a bulletproof module being detachably installed within the central layer frame, the bulletproof module being composed of multiple unit bulletproof modules arranged in a layered structure, and the unit bulletproof modules being tightly connected to each other; a back cover being provided on the shell, and a clamping buffer mechanism being provided between the back cover and the bulletproof module for clamping and fixing the bulletproof module within the shell; this utility model solves the problems of traditional anti-theft doors being unable to be disassembled or replaced individually and unable to flexibly adjust the bulletproof level, and is applicable to bulletproof anti-theft doors.

The invention belongs to the technical field of production of non-woven cloth, and particularly relates to a production process and production equipment of non-film bulletproof cloth applied to manufacturing bulletproof inserting plates. Aiming at the defects in the prior art, the film-free bulletproof fabric production process provided by the invention comprises the following steps: (1) cleaning, carding, drying and flattening fibers; (2) flatly laminating the flattened tow sheet and a flat hot melt adhesive film on a laminating roller; (3) fully compounding the laminated fiber sheet and a hot melting mold on a hot pressing roller; (4) cooling the composite sheet fused with the hot melt film, and then calendaring and shaping by using a cold roll; (5) automatically cutting the cold-rolled single-layer film-free non-woven cloth into square blocks; and (6) overlapping the cut single-layer non-woven cloth according to 0 degree / 90 degrees, and pressing according to the required layer number of the plugboard. According to the production process and equipment, a film-free process route is adopted, the yarn content of the non-woven cloth is increased, and the bulletproof performance can be remarkably improved; no film restriction exists, and the pressing process is simpler; the film-free single-layer non-woven cloth is cut and then directly enters the insertion plate pressing process, so that the production process of 2UD non-woven cloth is reduced, the efficiency is improved, and the cost is reduced; through the operation, the purposes of removing the film in the plugboard (helmet), improving the yarn content, increasing the adhesive force, preventing the layer from falling off, improving the performance, improving the efficiency and reducing the cost are achieved.

The application discloses a ceramic curved surface composite target plate, which comprises a metal back plate and at least two ceramic curved surface layers stacked in sequence from bottom to top, and each ceramic curved surface layer is composed of a plurality of ceramic arched curved surface units; the outer surface of the ceramic arched curved surface unit is composed of two top surfaces, two 1# side surfaces, two 2# side surfaces and two bottom surfaces; the ceramic arched curved surface units between the same layer and between the adjacent layers are staggered and overlapped, the adjacent 1# side surfaces and 2# side surfaces are tightly attached, the adjacent top surfaces and bottom surfaces are tightly attached, the upper surface of the metal back plate is tightly attached to the lowermost ceramic curved surface layer, and an arched force transmission structure is formed. The application has the characteristics of fully and uniformly conducting force and buffering, improves the impact resistance, is more excellent in impact resistance than a conventional composite plate, is lighter than a traditional metal protective plate, and is low in cost.

The utility model discloses an amorphous alloy bulletproof plate which comprises a PE cambered surface inner plate matched with the upper half body of a human body, the PE cambered surface inner plate is bent in an arc shape in the width direction to enable the inner side face and the outer side face of the PE cambered surface inner plate to form arc-shaped curved surfaces, and an amorphous strip plate and an alloy plate are bonded to the outer surface of the PE cambered surface inner plate through a high-strength resin adhesive. The alloy plate is arranged between the amorphous strip plate and the PE cambered surface inner plate through a high-strength resin adhesive, the surface of the amorphous strip plate is sealed by high-performance fiber cloth through the high-strength resin adhesive, and the bottom surface of the PE cambered surface inner plate is sealed by polyester cloth through the high-strength resin adhesive. And EVA is adopted for filling and edge covering to obtain the amorphous alloy bulletproof plate. Compared with an existing ceramic bulletproof plate, the bulletproof plate has the advantages of being good in bulletproof effect, low in manufacturing cost, convenient to form, small in bullet crater on the bullet facing face, capable of resisting multiple bullets, light in weight, small in thickness and the like.

The invention discloses a titanium diboride reinforced boron carbide-based bulletproof ceramic and a preparation method and application thereof, and relates to the technical field of bulletproof metal ceramics. The preparation method of the titanium diboride reinforced boron carbide-based bulletproof ceramic disclosed in the invention is as follows: 10-16wt% titanium diboride, 4-19wt% silicon carbide, 0.5-3wt% tungsten powder and 1-5wt% titanium powder are added to a 62-82wt% boron carbide matrix, mixed evenly, ball milled, and the dried boron carbide mixture is placed in a sintering furnace, heated to 700-900°C under vacuum conditions, then filled with inert gas, heated to 1600-1800°C at 30-50MPa under inert gas protection, sintered by spark plasma, and naturally cooled to room temperature. The titanium diboride reinforced boron carbide-based bulletproof ceramic provided by the present invention has high hardness, high strength, high toughness, is not easy to break, and its preparation method is simple and easy to operate. It can be applied to bulletproof plug plates, has excellent anti-bullet performance and anti-bending performance, and can improve the protective performance of the bulletproof plug plates.

The invention relates to a flame-retardant, low-toxicity and light composite armor which comprises m composite layers which are sequentially laid from bottom to top, m is larger than or equal to 2, each composite layer comprises, by mass, 15-20 parts of resin, 80-85 parts of fiber cloth and 0.1-1 part of modifier, and the resin is thermoplastic resin or thermosetting resin; the high-performance fiber composite material is used for armor protection, so that the armor mass can be greatly reduced, or higher protection performance can be provided under the same mass condition, and meanwhile, the armor has excellent flame retardant property.

The utility model relates to the field of body armor, and discloses a composite body armor which comprises a body armor main body, the body armor main body is in a vest shape, the body armor main body is externally made of nylon, a ceramic plate layer, an aramid fiber layer, a PE layer and a Kevlar fiber layer are sequentially arranged in the body armor main body from outside to inside, a water storage groove is formed in the PE layer, and a water outlet is formed in the middle of the body armor main body. Drinking water can be stored in the water storage tank, a body armor auxiliary body is arranged at the front end of the body armor main body, and the body armor auxiliary body comprises a storage pocket and a ceramic insertion plate. The ceramic plate layer reduces the speed of bullets, the aramid fiber layer further prevents the bullets from reducing the speed of the bullets, the bullets enter the PE layer, the PE layer deforms and protrudes and finally enter the Kevlar fiber layer, the bullets are stopped, the water storage groove is formed in the PE layer, and therefore the bulletproof vest can be conveniently used in arid areas; the bulletproof vest auxiliary body can be hung in front of the bulletproof vest main body according to needs, so that the bulletproof capacity of the composite bulletproof vest is improved.

The utility model belongs to the field of vehicle-mounted weapon station protection, and particularly relates to a protective armor structure and a vehicle-mounted weapon station protective armor suite thereof, the protective armor structure comprises a protective plate, the protective plate comprises a PE plate and a ceramic plate, the ceramic plate is adhered to one side of the PE plate, the ceramic plate is provided with an opening I, the opening I is exposed out of the PE plate, and the PE plate is provided with an opening II; the opening I and the exposed part of the PE plate are used for mounting a fastener; and the fastener is used for mounting the protective armor structure on a to-be-protected structure. According to the protective armor structure, the installation difficulty is simplified, and the bulletproof effect is not affected.