CN203019750U - Detonation-resistant and flame-cutting-resistant metal composite plate for safe case - Google Patents
Detonation-resistant and flame-cutting-resistant metal composite plate for safe case Download PDFInfo
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- CN203019750U CN203019750U CN 201320001656 CN201320001656U CN203019750U CN 203019750 U CN203019750 U CN 203019750U CN 201320001656 CN201320001656 CN 201320001656 CN 201320001656 U CN201320001656 U CN 201320001656U CN 203019750 U CN203019750 U CN 203019750U
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Abstract
The utility model discloses a detonation-resistant and flame-cutting-resistant metal composite plate for a safe case. The metal composite plate is characterized by consisting of a flame-cutting-resistant component (4) and a metal base plate (3), wherein the flame-cutting-resistant component (4) consists of a stainless steel panel (1) and an aluminum plate (2), and no gap is reserved between the stainless steel panel (1) and the aluminum plate (2). The detonation-resistant and flame-cutting-resistant metal composite plate is suitable for an inner box body of a class-C safe case (box) and a shielding layer of a treasury door in the security and protection industry; when the metal composite plate is subjected to two times of detonation of 123gTNT equivalent of explosive, the deformation of the flame-cutting-resistant component is controlled within a local small plasticity range without an obvious gap appearing between the layers, so that the flame-cutting-resistant performance of the component is ensured; a glass hard steel back plate is slightly convex without lamination cracks and crackles, so that the due capacity of resisting tool destruction is kept; and the composite plate is still complete and firm in the overall structure, and the comprehensive protection performance of the composite plate is not reduced obviously.
Description
Technical field
The utility model relates to the fields such as security protection industry safety cabinet (case), cashbox door, be a kind of safety cabinet specifically with antiknock Hong, flame cutting metal composite plate, can be used for C level safety cabinet internal box and cashbox door screen layer.
Background technology
The trend of current theft crime is from being a sneak thief of past, petty thefts, turn to safety cabinet and the national treasury of family, market, financial department to carry out the crime of clique's property, tool using also develops into electric hand tool, flame by original hand tools and cuts even multiple efficient, the large power means such as explosive detonation and combine, and the orcible entry technology is more advanced, destroy efficient improves greatly.
Theft proof strongbox is the important social public security product of depositing valuables, vital document archives, firearms and ammunition, toxic articles.In case stolenly often lose hugely, even bring impact to the harmony of society is stable, be directly involved in the country and people's interests.
General homogeneous thin plate, slab or the composite construction board of adopting such as the safety cabinet of security protection industry at present, (case), cashbox door made; Explosive is the great means of destruction of a kind of power, at 36 * 36mm
2Under area 123g dose condition, the homogeneous thin plate will directly form perforation, and slabbing can occur in slab under the strong rarefaction wave effect of free-surface reflection, make significantly attenuate of steel plate thickness, even do not remain little when do not wear steel plate thickness when same position carries out explosion for the second time; And can at first destroy connected node to composite construction board detonation, the initial configuration of composite plate is injured in second powder charge, after experiencing twice detonation and impacting, initial configuration is injured, fire resistant cutting and instrument damage capability descend and ask, the advantage of its integrated protection performance is lost.
Summary of the invention
The purpose of this utility model is the deficiency that overcomes above-mentioned prior art, and provide a kind of safety cabinet with antiknock Hong, flame cutting metal composite plate, after mainly solving twice detonation of existing composite construction board experience and impacting initial configuration injured, fire resistant cutting and instrument damage capability decline problem.
The technical solution of the utility model is: safety cabinet with antiknock Hong, flame cutting metal composite plate, its special character is: this composite metal plate is comprised of flame resistant cutting assembly and metal substrate, described flame resistant cutting assembly is comprised of stainless steel faceplate and aluminium sheet, and stainless steel faceplate and aluminium sheet both do not stay the gap.
Wherein, described stainless steel faceplate, aluminium sheet and metal substrate are connected the bolted mode to connect.
Wherein, described stainless steel faceplate and aluminium sheet are complex as a whole with explosion welding method.
Wherein, fit tightly between described stainless steel faceplate and aluminium sheet.
Wherein, described metal substrate dimpling forms a little gap between metal substrate bending and aluminium sheet.
Safety cabinet described in the utility model with antiknock Hong, compared with the prior art flame cutting metal composite plate have following good effect, 1, adopt " hard, soft, hard " three kinds of different metals plates to form composite construction board, by the reflection that utilizes detonation wave at different acoustic impedance mediums interface, transmission principle, redistribute the stress distribution on each laminate, reach the purpose of buffering, absorption, release detonation impact energy, improve the stress of each laminate in detonation process; After twice detonation of 123gTNT equivalent explosive, a connected node is destroyed, and all mid-side nodes are not loosening, and overall structure is still complete, firm; The Deformation control of stainless steel faceplate and aluminium sheet interlayer is within the little plastic range in part, and interface do not produce obvious gap, has guaranteed that the whole flame resistant cutting performance of composite construction does not obviously descend; 2, metal substrate dimpling produces without slabbing and crackle, has kept due anti-instrument damage capability, forms a little gap between curved substrate and aluminium sheet, does not affect the flame resistant cutting power of structure; Flame cutting experiment subsequently shows, composite plate still can be resisted the flame cutting destruction of continuous 1 hour.
Description of drawings
Fig. 1 is structural representation of the present utility model.
The specific embodiment
For Comprehension and Implementation better, below in conjunction with accompanying drawing, the utility model is described in further detail.
Embodiment 1, referring to Fig. 1, selects stainless steel faceplate 1, is 304,316L and high nitrogen stainless steel etc., and thickness is 6～15mm; Aluminium sheet 2 has high thermal conductivity coefficient material sheet material, thickness 5～10mm for fine aluminium, aluminium alloy etc.; Metal substrate 3 is the high rigidity steel plate, thickness 6～12mm; Stainless steel faceplate 1, aluminium sheet 2 are fitted tightly, do not stay the gap, form flame resistant cutting assembly 4; Then are connected with metal substrate and connect with the bolted mode, metal substrate 3 dimplings, metal substrate 3 crooked with little gap of 2 formation of aluminium sheet; Form a complete composite metal plate.
Embodiment 2, and with embodiment 1, difference is that stainless steel faceplate 1 and aluminium sheet 2 use explosion welding methods are complex as a whole, and then is connected with metal substrate to connect with the bolted mode.
Embodiment 3, and selecting the stainless steel faceplate 1 of flame resistant cutting assembly 4 is 12mm high nitrogen stainless steel plate, and aluminium sheet 2 is the 8mm pure aluminum plate; Metal substrate 3 is 8mm high rigidity steel plate, and the metallic plate of three layers of different materials is fastening with high-strength bolt.
The composite metal plate of the result of the test of above-described embodiment 3: embodiment 3, at first use 123gTNT equivalent explosive detonation at connected node place, centre position, connected node high-strength bolt after impact embeds in composite plate but does not come off, and detonation is for the second time sentenced identical dose at next-door neighbour's the first quick-fried point and carried out; Result shows, overall structure is still complete, firm after twice detonation, and all mid-side node screws are loosening; The fried point of stainless steel faceplate 1 of flame resistant cutting assembly 4 is located pit, slabbing and perforation does not occur, and do not produce obvious gap between aluminium sheet 2; And slabbing and crackle do not occur in glass hard steel backboard face dimpling, and have occurred obvious gap between aluminium sheet, and maximum is 5mm approximately; Subsequently, carried out the flame cutting test on the detonation shock point, because inter-level dielectric after the 4 experience detonations of flame resistant cutting assembly is still continuous, thereby the gas cutting proof ability does not obviously descend, the gas cutting that can stand 1 hour quiet working time fully destroys, though and the high rigidity steel plate has distortion, destruction still keeps due anti-instrument damage capability; Thereby the composite construction after twice detonation still can stop the synergy 1 hour that gas cutting and instrument destroy.
Safety cabinet described in the utility model with antiknock Hong, flame cutting metal composite plate, adopt three layers of different metals plate to form composite metal plate, utilize the inter-level dielectric acoustic impedance to change, make detonation wave at extended media, reflection and transmission occur, redistribute the stress on each laminate, effectively reduce the sparse intensity of wave of stainless steel faceplate reflection, avoid corrosion resistant plate that perforation or slabbing occur, and guarantee the continuity at flame cutting assembly interface after detonation; Buffering by aluminium sheet weakens shock wave to the impact of metal substrate, and the rarefaction wave of its free-surface reflection is significantly decayed, and produces without slabbing and crackle; It is complete, firm that composite construction keeps, and after twice detonation, still possesses high complex protection capability.
Claims (5)
- Safety cabinet with antiknock Hong, flame cutting metal composite plate, it is characterized in that: this composite metal plate is comprised of flame resistant cutting assembly (4) and metal substrate (3), described flame resistant cutting assembly (4) is comprised of stainless steel faceplate (1) and aluminium sheet (2), and stainless steel faceplate (1) does not both stay the gap with aluminium sheet (2).
- Safety cabinet according to claim 1 with antiknock Hong, flame cutting metal composite plate, it is characterized in that: described stainless steel faceplate (1), aluminium sheet (2) are connected 3 with metal substrate) connect with the bolted mode.
- Safety cabinet according to claim 1 with antiknock Hong, flame cutting metal composite plate, it is characterized in that: described stainless steel faceplate (1) and aluminium sheet (2) are complex as a whole with explosion welding method.
- Safety cabinet according to claim 1 with antiknock Hong, flame cutting metal composite plate, it is characterized in that: fit tightly between described stainless steel faceplate (1) and aluminium sheet (2).
- Safety cabinet according to claim 1 and 2 with antiknock Hong, flame cutting metal composite plate, it is characterized in that: described metal substrate (3) dimpling, metal substrate (3) crooked with aluminium sheet (2) between formation little gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320001656 CN203019750U (en) | 2013-01-04 | 2013-01-04 | Detonation-resistant and flame-cutting-resistant metal composite plate for safe case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320001656 CN203019750U (en) | 2013-01-04 | 2013-01-04 | Detonation-resistant and flame-cutting-resistant metal composite plate for safe case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203019750U true CN203019750U (en) | 2013-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320001656 Expired - Fee Related CN203019750U (en) | 2013-01-04 | 2013-01-04 | Detonation-resistant and flame-cutting-resistant metal composite plate for safe case |
Country Status (1)
| Country | Link |
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| CN (1) | CN203019750U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485647A (en) * | 2013-09-02 | 2014-01-01 | 德清科迪特安保设备有限公司 | Convenient safe case |
| CN103485656A (en) * | 2013-09-02 | 2014-01-01 | 德清科迪特安保设备有限公司 | Composite plate used for safe case |
-
2013
- 2013-01-04 CN CN 201320001656 patent/CN203019750U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485647A (en) * | 2013-09-02 | 2014-01-01 | 德清科迪特安保设备有限公司 | Convenient safe case |
| CN103485656A (en) * | 2013-09-02 | 2014-01-01 | 德清科迪特安保设备有限公司 | Composite plate used for safe case |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20160104 |