CN215332445U - Light protective door with armor - Google Patents
Light protective door with armor Download PDFInfo
- Publication number
- CN215332445U CN215332445U CN202120503731.3U CN202120503731U CN215332445U CN 215332445 U CN215332445 U CN 215332445U CN 202120503731 U CN202120503731 U CN 202120503731U CN 215332445 U CN215332445 U CN 215332445U
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- Prior art keywords
- armor
- aluminum alloy
- framework
- magnesium aluminum
- door
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- 230000001681 protective effect Effects 0.000 title claims abstract description 61
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 40
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000002131 composite material Substances 0.000 claims abstract description 28
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 24
- 239000004917 carbon fiber Substances 0.000 claims abstract description 24
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 230000003139 buffering effect Effects 0.000 claims abstract description 10
- 230000006835 compression Effects 0.000 claims abstract description 5
- 238000007906 compression Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 5
- 238000010521 absorption reaction Methods 0.000 claims abstract description 4
- 229920001971 elastomer Polymers 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims abstract description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 16
- 239000000956 alloy Substances 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 239000011496 polyurethane foam Substances 0.000 claims description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 238000004880 explosion Methods 0.000 claims description 3
- 239000002360 explosive Substances 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical group [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 230000035939 shock Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 239000000941 radioactive substance Substances 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
Images
Landscapes
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
Abstract
A lightweight protective door with an armor externally attached comprises a steel skin, a carbon fiber composite laminated plate, a magnesium aluminum alloy I-shaped section bar framework, a magnesium aluminum alloy groove-shaped framework and protective armor pieces, wherein the magnesium aluminum alloy groove-shaped framework is connected end to form a rectangular frame, a plurality of magnesium aluminum alloy I-shaped section bar frameworks are arranged in the frame, a longitudinal magnesium aluminum alloy I-shaped section bar framework and a transverse magnesium aluminum alloy I-shaped section bar framework are crossed to form an inner framework with 6:3 longitudinal and transverse mesh holes, a buffering energy absorption layer is arranged in the mesh holes, the outer side of a supporting framework is wrapped by a carbon fiber material laminated plate, the steel skin is arranged on the outer side of the carbon fiber material laminated plate, the protective door is rotatably installed on a door frame through hinges, a sealing rubber strip is arranged on the contact surface of the protective door and the door frame, and a plurality of protective armor pieces and a door handle are arranged on the compression-resistant surface of the protective door. The protective door is light in weight, convenient to transport, simple to install and maintain and capable of effectively resisting the threat of accurate striking and striking of horizontal armor piercing bullets.
Description
Technical Field
The utility model belongs to the technical field of protective doors, and particularly relates to a light protective door with an armor attached to the exterior.
Background
The protective door is used as a key part of the mouth part of the protective engineering, and the performance of the protective door directly influences the protection grade of the protective engineering. The traditional protective door is generally a thick, heavy and heavy steel protective door and a reinforced concrete protective door, and has the problems of difficult opening and closing, long rush repair and rush construction time, inconvenient transportation and installation, high daily maintenance and replacement cost and the like due to the design requirements of materials and resistance. With the continuous development of science and technology, the wide application of high-precision guided weapons brings huge challenges to protection engineering. In order to effectively resist the threat of accurate striking and striking of horizontal armor piercing bullets and adapt to quick engineering conversion, a light protective door with an armor attached outside, which is convenient for combined use in peacetime and war time, high in protective performance and convenient to transport and install, is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a light protective door with an armor, which solves the problems of difficult opening, closing, maintenance, rush repair and rush construction, inconvenient transportation and installation and the like caused by 'thickness, bulkiness' of the traditional protective door.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a lightweight protective door with an armor attached to the outside comprises a steel skin, a carbon fiber composite laminated plate, a magnesium aluminum alloy I-shaped section bar framework, a magnesium aluminum alloy groove-shaped framework and a protective armor piece, wherein the magnesium aluminum alloy groove-shaped framework is connected end to form a rectangular frame, a plurality of magnesium aluminum alloy I-shaped section bar frameworks are arranged in the frame, a longitudinal magnesium aluminum alloy I-shaped section bar framework and a transverse magnesium aluminum alloy I-shaped section bar framework are crossed to form an inner framework with 6:3 longitudinal and transverse mesh holes, a buffering energy absorption layer is arranged in the mesh holes, the magnesium aluminum alloy I-shaped section bar frameworks and the magnesium aluminum alloy groove-shaped framework are connected through bolts, the inner framework and the frame form a supporting framework, the outer side of the supporting framework is wrapped by the carbon fiber composite laminated plate and fixed through rivets to play roles in protecting the framework and bearing shock wave load, the steel skin is arranged on the outer side of the carbon fiber composite laminated plate, the protection door is installed on a door frame in a rotating mode through a hinge, a sealing rubber strip is arranged on the contact surface of the protection door and the door frame to prevent external poison gas and radioactive substances from entering, a plurality of protection armor pieces and a door handle are arranged on the compression-resistant surface of the protection door, the protection armor pieces are used for preventing the protection door from being stricken by an accurate guided weapon in a short distance, shock waves are mixed with the striking of an elastic piece and strike of a armor piercing bullet in a horizontal mode, the resistance of the protection door is improved, and meanwhile the weight of the protection door is reduced.
The buffering energy-absorbing layer is made of buffering energy-absorbing foamed aluminum or polyurethane foam.
The aspect ratio of the protective door is 16: 7.
the carbon fiber composite laminated board is prepared by mixing 60 wt% of carbon fiber T700, 18 wt% of epoxy resin M03, 4 wt% of curing agent, 10 wt% of flame retardant, 3 wt% of stabilizer and 5 wt% of accelerator.
The thickness of the steel skin is less than or equal to 0.5 mm.
The armor piece of protection comprises reaction armor, composite armor and alloy back of the body frame, and reaction armor is the first layer, and it bonds through high performance metal structure glue with composite armor, bonds through high performance metal structure glue between composite armor and the alloy back of the body frame, and alloy back of the body frame is connected with the face of protecting against compression, and the aspect ratio of armor piece is 4: 5.
the composite armor is a silicon carbide ceramic armor, and the reactive armor is a passive explosive explosion reactive armor.
The alloy back frame is a triangular metal back frame made of magnesium-aluminum alloy, and the included angle between the bevel edge of the back frame and the horizontal plane is not less than 45 degrees and is usually set to be 70 degrees. One side of the alloy back frame is preset with high-performance metal structural adhesive for bonding with the protective door body; the protective door is not needed to be pasted on the protective door when in use at ordinary times, so that the weight of the protective door is reduced; in wartime, the synthesized protective armor is paved and bonded according to the determinant so as to achieve the purposes of quick assembly, light weight and high resistance.
The utility model has the technical effects that:
the utility model is used in the field of civil air defense engineering, and is a light protective door which has light weight, convenient transportation, simple installation and maintenance and can effectively resist the threat of accurate striking and striking of horizontal armor piercing bullets. Particularly, the armor is externally attached, so that the portable installation can be carried out according to the wartime threat level, the integral resistance of the protective door is effectively improved, and the dual effects of convenience in installation and use at ordinary times and use for wartime protective pipes are realized.
Drawings
FIG. 1 is a schematic view of the light protective door with armor attached to it and the door frame;
FIG. 2 is a schematic side view of the lightweight armored protective door of the present invention;
FIG. 3 is a cross-sectional view of the lightweight armored protective door of the present invention shown in FIG. 1;
FIG. 4 is a cross-sectional view of the lightweight armored protective door of the present invention shown in FIG. 2;
FIG. 5 is a schematic structural view of a lightweight armor plate of the present invention with armor attached;
the composite material comprises, by weight, 1-steel skin, 2-carbon fiber composite material laminated plate, 3-magnesium aluminum alloy I-shaped section bar skeleton, 4-magnesium aluminum alloy groove type skeleton, 5-protective armor sheet, 501-reactive armor, 502-composite armor, 503-alloy back frame, 504-high-performance metal structure adhesive, 6-buffer energy absorption layer, 7-protective door, 8-door frame, 9-hinge and 10-door handle.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1 to 5, a light protection door with an armor attached outside comprises a steel skin 1, a carbon fiber composite laminated board 2, a magnesium aluminum alloy I-shaped section bar framework 3, a magnesium aluminum alloy groove-shaped framework 4 and a protection armor sheet 5, wherein the magnesium aluminum alloy groove-shaped framework 4 is connected end to form a rectangular frame, a plurality of magnesium aluminum alloy I-shaped section bar frameworks 3 are arranged in the frame, the longitudinal magnesium aluminum alloy I-shaped section bar framework 3 and the transverse magnesium aluminum alloy I-shaped section bar framework 3 are crossed to form an inner framework with 6:3 longitudinal and transverse mesh holes, a buffering energy absorbing layer 6 is arranged in each mesh hole, the magnesium aluminum alloy I-shaped section bar frameworks 3 and the magnesium aluminum alloy I-shaped section bar framework 3 and the magnesium aluminum alloy groove-shaped framework 4 are connected through bolts, the inner framework and the frame form a support framework, the outer side of the support framework is wrapped by a carbon fiber laminated board and fixed through rivets, play the protection skeleton and bear the effect of shock wave load, the carbon fiber material laminated plate outside is provided with steel covering 1, in order to resist the destruction of broken thing in shell fragment or the shock wave to the carbon fiber laminated plate, guard gate 7 rotates through hinge 9 and installs on door frame 8, and be provided with joint strip at guard gate 7 and door frame 8's contact surface, in order to prevent outside poison gas and radioactive substance entering, set up a plurality of protection armour pieces 5 and a door handle 10 at guard gate 7's resistance to compression face, protection armour piece 5 receives accurate guidance weapon in order to prevent guard gate 7 and strikes closely, the shock wave is mingled with the shell fragment and strikes with the armor piercing bullet level, improve guard gate 7 resistance, alleviate guard gate 7's weight simultaneously.
The energy-absorbing buffering layer 6 is made of buffering energy-absorbing foamed aluminum or polyurethane foam.
The aspect ratio of the protective door 7 is 16: 7.
the carbon fiber composite laminated board is prepared by mixing 60-70 wt% of carbon fiber T700, 10-20 wt% of epoxy resin M03, 2-6 wt% of curing agent, 8-12 wt% of flame retardant, 2-3 wt% of stabilizer and 3-5 wt% of accelerator.
The thickness of the steel skin 1 is less than or equal to 0.5 mm.
The protective armor piece 5 consists of a reactive armor 501, a composite armor 502 and an alloy back frame 503, wherein the reactive armor 501 is a first layer and is bonded with the composite armor 502 through a high-performance metal structure adhesive 504, the composite armor 502 is bonded with the alloy back frame 503 through the high-performance metal structure adhesive 504, the alloy back frame 503 is connected with a pressure-resistant surface of a protective door 7, and the length-width ratio of the protective armor piece 5 is 4: 5.
the composite armor 502 is a silicon carbide ceramic armor, and the reactive armor 501 is a passive explosive explosion reactive armor.
The alloy back frame 503 is a triangular metal back frame made of magnesium-aluminum alloy, and the included angle between the oblique side of the alloy back frame 503 and the horizontal direction is 70 degrees. A high-performance metal structure adhesive 504 is preset on one side of the alloy back frame 503 and is used for bonding with the protective door 7 body; when the protective door 7 is used at ordinary times, the synthetic protective armor is not required to be adhered to the protective door 7, so that the weight of the protective door 7 is reduced; in wartime, the synthesized protective armor is paved and bonded according to the determinant so as to achieve the purposes of quick assembly, light weight and high resistance.
The utility model provides a process of assembling of armoured light guard gate is attached outward, magnesium aluminum alloy I-shaped section bar skeleton 3 and magnesium aluminum alloy cell type skeleton 4 according to design specification preparation guard gate, according to vertical and horizontal mesh number 6:3, configuring a framework, and then connecting the magnesium aluminum alloy I-shaped section framework 3 with a magnesium aluminum alloy groove-shaped framework 4 by adopting high-strength bolts; taking the carbon fiber composite material laminated plate 2 and the steel skin 1 according to design dimensions, and fixing the carbon fiber composite material laminated plate 2 and the steel skin 1 on one side of an inner skeleton by rivets in the sequence that the carbon fiber composite material laminated plate 2 is arranged on the inner side and the steel skin 1 is arranged on the outer side; injecting polyurethane foam or foamed aluminum into the mesh of the protective door 7, and fixing the carbon fiber composite material laminated plate 2 and the steel skin 1 on the other side of the inner skeleton after filling; installing a door handle 10 and a protective armor plate 5 according to the design position of a drawing; the guard door 7 is then mounted to the door frame 8 by hinges 9.
Claims (8)
1. A light protective door with an armor is characterized by comprising a steel skin, a carbon fiber composite laminated plate, a magnesium aluminum alloy I-shaped section bar framework, a magnesium aluminum alloy groove-shaped framework and a protective armor piece, wherein the magnesium aluminum alloy groove-shaped framework is connected end to form a rectangular frame, a plurality of magnesium aluminum alloy I-shaped section bar frameworks are arranged in the frame, a longitudinal magnesium aluminum alloy I-shaped section bar framework and a transverse magnesium aluminum alloy I-shaped section bar framework are crossed to form an inner framework with vertical and horizontal meshes, a buffering energy absorption layer is arranged in the meshes, the magnesium aluminum alloy I-shaped section bar frameworks and the magnesium aluminum alloy groove-shaped framework are connected through bolts, the inner framework and the frame form a supporting framework, the outer side of the supporting framework is wrapped by the carbon fiber material laminated plate and fixed through rivets, the steel skin is arranged on the outer side of the carbon fiber laminated plate, the protective door is rotatably installed on the door frame through the hinge, a sealing rubber strip is arranged on the contact surface of the protective door and the door frame, and a plurality of protective armor pieces and a door handle are arranged on the pressure-resistant surface of the protective door.
2. The lightweight armored protective door of claim 1, further comprising: the buffering energy-absorbing layer is made of buffering energy-absorbing foamed aluminum or polyurethane foam.
3. The lightweight armored protective door of claim 1, further comprising: the aspect ratio of the protective door is 16: 7.
4. the lightweight armored protective door of claim 1, further comprising: the carbon fiber composite laminated board is prepared by mixing 60-70 wt% of carbon fiber T700, 10-20 wt% of epoxy resin M03, 2-6 wt% of curing agent, 8-12 wt% of flame retardant, 2-3 wt% of stabilizer and 3-5 wt% of accelerator.
5. The lightweight armored protective door of claim 1, further comprising: the thickness of the steel skin is less than or equal to 0.5 mm.
6. The lightweight armored protective door of claim 1, further comprising: the armor piece of protection comprises reaction armor, composite armor and alloy back of the body frame, and reaction armor is the first layer, and it bonds through high performance metal structure glue with composite armor, bonds through high performance metal structure glue between composite armor and the alloy back of the body frame, and alloy back of the body frame is connected with the face of protecting against compression, and the aspect ratio of armor piece is 4: 5.
7. the lightweight armored security door of claim 6, wherein: the composite armor is a silicon carbide ceramic armor, and the reactive armor is a passive explosive explosion reactive armor.
8. The lightweight armored security door of claim 6, wherein: the alloy back frame is a triangular metal back frame made of magnesium-aluminum alloy, and the included angle between the bevel edge of the back frame and the horizontal plane is not less than 45 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120503731.3U CN215332445U (en) | 2021-03-10 | 2021-03-10 | Light protective door with armor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120503731.3U CN215332445U (en) | 2021-03-10 | 2021-03-10 | Light protective door with armor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215332445U true CN215332445U (en) | 2021-12-28 |
Family
ID=79583069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120503731.3U Active CN215332445U (en) | 2021-03-10 | 2021-03-10 | Light protective door with armor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215332445U (en) |
-
2021
- 2021-03-10 CN CN202120503731.3U patent/CN215332445U/en active Active
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