CN108894687A - A kind of honeycomb closed guard gate door leaf and the composite material closed guard gate using this door leaf - Google Patents
A kind of honeycomb closed guard gate door leaf and the composite material closed guard gate using this door leaf Download PDFInfo
- Publication number
- CN108894687A CN108894687A CN201810889927.3A CN201810889927A CN108894687A CN 108894687 A CN108894687 A CN 108894687A CN 201810889927 A CN201810889927 A CN 201810889927A CN 108894687 A CN108894687 A CN 108894687A
- Authority
- CN
- China
- Prior art keywords
- door leaf
- honeycomb
- guard gate
- closed guard
- blocking mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
- E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
- E06B3/36—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a single vertical axis of rotation at one side of the opening, or swinging through the opening
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B2003/7046—Door leaves with provisions for locks, hinges or other fittings
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B2003/7049—Specific panel characteristics
Abstract
The present invention relates to a kind of honeycomb closed guard gate door leaf and using the composite material closed guard gate of this door leaf, door leaf is mainly made of internal surface layer, outer coversheet, blocking mechanism, blocking mechanism built-in fitting and hinge page, door leaf further includes intermediate honeycomb inner core and reinforcer, honeycomb inner core is hexagon polymer matrix composites honeycomb core, it is set to before internal surface layer, outer coversheet, outer coversheet and honeycomb inner core are overall structure, are formed by polymer matrix composites draft；Honeycomb inner core includes the cellular unit body of several dense arrangements；Cellular unit body is along short transverse thickness-tapered；Blocking mechanism is set on internal surface layer by blocking mechanism built-in fitting, and at seam and door leaf and hinge page junction is provided with reinforcer in door leaf, and reinforcer is basalt fiber tendons.Compared with other closed guard gate's door leaf structure forms, the most significant advantage of honeycomb of the invention is exactly that specific strength is high, structural stability is good, thermal insulation is excellent.
Description
Technical field
The present invention relates to a kind of honeycomb closed guard gate door leafs, and include the resin base fiber reinforcement using the door leaf form
Composite material closed guard gate.Belong to civil air defense constructions and installations safeguard field.
Background technique
The structural strength and drag performance of closed guard gate is usually by portions such as closed guard gate's door leaf, blocking mechanism, hinge mechanism, doorframes
The design strength and reliability of part determine that wherein the selection of door leaf and structure type play main decisive action.Nuclear weapon or routine
The deflagration wave impact of weapon is usually the hyperpressure mechanism of a very short time, meets parts for wave, closed guard gate's door as main
The structure type design of fan need to make door leaf internal stress distribution uniform, and the dangerous point for avoiding local stress excessive occurs, and makes material
Mechanical property obtain maximize play, to guarantee that closed guard gate has higher impact resistance.On the other hand, for certain
Large scale closed guard gate reduces the manufacturing cost of equipment, on the basis for meeting resistibility requirement for the manipulation convenience for improving equipment
On, it also needs to consider lighting demand when carrying out structure design to door leaf, rational deployment is carried out to components such as door leaf skeletons, is reduced
The overall weight and materials cost of door leaf.
The door leaf external form of traditional steel construction and reinforced concrete structure closed guard gate mostly use flat, and internal form is adopted
With type steel skeleton welding (girder steel plate) or the form of fashioned iron bound edge, reinforcing bar binding casting.For there is the protection of higher resistance requirement
Equipment, generally using domes or arch pulling plate structure.For the composite wood using polymer matrix composites as door leaf substrate
For expecting closed guard gate, since polymer matrix composites have better plasticity, thus work is processed using polymer matrix composites
Skill (such as hand paste process, mould pressing process, vacuum injection technique) usually can realize increasingly complex door leaf structure form.At present
Existing polymer matrix composites door leaf structure form is mostly used as door leaf external structure form, inner structure form in the form of flat sheets
Using the cavity structure with ribs, reduce material utilization amount while improving intensity.It is different according to the thickness of ribs, it can
It is divided into uniform thickness reinforcement rib structure drawn game portion and thickens reinforcement rib structure.Above two structure type is as shown in Figure 1 and Figure 2.
Above two scenario-frame form is simple, it is easy to accomplish.But there are still some problems, is such as reinforced using uniform thickness
The usual intensity of closed guard gate's door leaf of rib structure is not high, can not effectively resist shock wave damage effect；Using partial thickening ribs
Composite material closed guard gate's door leaf intensity of structure is higher, but since local wall thickness increase causes material utilization amount to be substantially increased, in turn
Closed guard gate's weight is increased, brings certain difficulty to the transportation, installation, maintenance and manipulation of closed guard gate.It is therefore desirable to propose one
Kind updates, more reasonable composite material closed guard gate door leaf structure form reduces material as far as possible and use on the basis of proof strength
Amount has important theory and existing for improving civil air defense constructions and installations safeguard reliability and accelerating civil air defense constructions and installations converting from wartime to peacetime production and vice versa speed
Sincere justice.
It is well known that honeycomb is the optimum topology structure for covering two-dimensional surface.This structure has excellent geometry
Mechanical property, therefore in material subject with being widely used.As shown in Figure 3.
In daily life, it is exactly honeycomb paper that we, which contact most commonly seen honeycomb article,.Honeycomb paper is corrugation
Body paper connects into several hollow three-dimensional regular hexagons with gluing knot method, forms the stressed member of an entirety --- core, and
A kind of environmental protection and energy saving material of new midsole structure made of facial tissue is bonded on its two sides.Honeycomb paper is with light, intensity is high, anti-
Impact is good, the advantages that being unlikely to deform.
Up to the present, do not occurred the people's air defense using honeycomb as door leaf structure in civil air defense constructions and installations safeguard also
Door.In order to improve production, installation, manipulation and the easy to maintain of closed guard gate, this hair on the basis of guaranteeing door leaf structure intensity
It is bright to propose a kind of honeycomb closed guard gate door leaf and the polymer matrix composites closed guard gate using this door leaf.
Summary of the invention
In order to solve the above-mentioned problems in the prior art, the present invention provides a kind of honeycomb closed guard gate door leaf and
Using the composite material closed guard gate of this door leaf, solve above existing closed guard gate's intensity, structural stability and heat-proof quality etc.
Insufficient or inadequate problem.
In order to solve the above-mentioned technical problem, present invention employs following technical solutions：
A kind of honeycomb closed guard gate door leaf, mainly by internal surface layer, outer coversheet, blocking mechanism, blocking mechanism built-in fitting and
Hinge page is constituted, and the door leaf further includes intermediate honeycomb inner core and reinforcer, and the honeycomb inner core is hexagon resin
Based composites honeycomb core is set to before internal surface layer, outer coversheet, and outer coversheet and honeycomb inner core are overall structure, passes through tree
The molding of resin-based composite draft；Honeycomb inner core includes the cellular unit body of several dense arrangements；Cellular unit body is along height
Direction thickness-tapered；Blocking mechanism is set on internal surface layer by blocking mechanism built-in fitting, in door leaf at seam and door leaf and hinge
Page junction is provided with reinforcer, and reinforcer is basalt fiber tendons, i.e. CBF muscle.
Further, the outer coversheet is 20mm with a thickness of 10mm, honeycomb inner core maximum gauge, and basalt fiber tendons are straight
Diameter is 30mm.
Further, the internal surface layer is independent molding composite material face, with a thickness of 7mm, and it is multiple by resin base
Condensation material structure glue is synthesized to together with honeycomb inner core.
Further, the section of blocking mechanism built-in fitting is layered structure, including first, second, third layer, described first
Toroidal cavity is provided between the second layer and between second and third layer, it is described for being welded together with door leaf
Blocking mechanism built-in fitting is provided centrally with bolt screw hole, and bolt is for being fixedly connected with blocking mechanism.
Further, first, second, third layer of cross section of blocking mechanism built-in fitting is regular hexagon.
A kind of composite material closed guard gate using above-mentioned door leaf, the closed guard gate use bivalve door, two door leaf uses
Split mode, door leaf are connect by hinge page with doorframe.
Compared with the existing technology, the present invention has the following technical effect that：
A kind of honeycomb closed guard gate door leaf of the invention and the composite material closed guard gate using this door leaf, which can
Applied to civil air defense constructions and installations such as Civil building basement, subway civil air defence, people's air defence command posts.With existing uniform ribs
Door leaf structure is compared with the polymer matrix composites closed guard gate of partial thickening ribs door leaf structure, under honeycomb door leaf structure form
Closed guard gate has that light-weight, specific strength is high, stability is good, is unlikely to deform the advantages that good with heat-proof quality.It not only can be with guarantor
The safeguard function of preventing engineering oral area, and have good service performance, the labour that closed guard gate transports installation can be significantly reduced
Civil air defense constructions and installations people is sufficiently realized in security risk when intensity, reduction equipment installation, the harmony for meeting wartime and usually using
The requirement of anti-door manufacturing products for both peacetime and wartime us, it is horizontal to the guard technology for improving China's civil air defense constructions and installations, construction investment is saved, there is good society
It can benefit, economic benefit and war readiness benefit.Compared with other closed guard gate's door leaf structure forms, the most significant advantage of honeycomb is just
It is that specific strength is high, structural stability is good, thermal insulation is excellent.
Detailed description of the invention
Fig. 1 is the composite material closed guard gate's schematic diagram for reinforcing rib structure using uniform thickness in the prior art；
Fig. 2 is the composite material closed guard gate's schematic diagram for reinforcing rib structure using partial thickening in the prior art；
Fig. 3 is honeycomb schematic diagram；
Fig. 4 is honeycomb closed guard gate's front view of the invention；
Fig. 5 is honeycomb closed guard gate's side view of the invention；
Fig. 6 is honeycomb closed guard gate's top view of the invention；
Fig. 7 is cellular unit structural schematic diagram of the invention；
Fig. 8 is the A-A sectional view of Fig. 7；
Fig. 9 is blocking mechanism built-in fitting schematic cross-section of the invention；
Figure 10 is Fig. 9 top view；
Figure 11 is finite element model；
Figure 12 is grid model；
Figure 13 is emulation displacement cloud atlas；
Figure 14 is emulation normal form equivalent stress cloud atlas；
Figure 15 is emulation X normal strain cloud atlas；
Figure 16 is emulation Y normal strain cloud atlas；
Figure 17 is emulation Z normal strain cloud atlas.
Specific embodiment
As shown in Fig. 1-17, present invention is further described in detail in the following with reference to the drawings and specific embodiments, but does not make
For limitation of the invention.
As Figure 4-Figure 6, a kind of honeycomb closed guard gate door leaf, mainly by internal surface layer 1, outer coversheet 2, intermediate honeycomb
Inner core 3, blocking mechanism 4, blocking mechanism built-in fitting 11 and hinge page 6 and reinforcer 7 are constituted, and the honeycomb inner core 3 is six sides
Shape polymer matrix composites honeycomb core is set to before internal surface layer 1, outer coversheet 2, and outer coversheet 2 and honeycomb inner core 3 are whole knot
Structure is formed by polymer matrix composites draft, and honeycomb inner core 3 includes the cellular unit body 8 of several dense arrangements, is being cut
Pressure is born upwards, these dense cellular cell cubes 8 mutually restrained are dispersible to undertake from panel like many small I-beams
The pressure in direction makes plate uniform force, to increase the stability of door leaf structure, make door leaf under Blast Loading not
Moderate finite deformation occurs, 8 size of cellular unit body can be adjusted according to actual production, one such cellular unit body such as Fig. 7-8 institute
Show, for convenient for demoulding, cellular unit body 8 is along short transverse thickness-tapered.Blocking mechanism 4 is arranged by blocking mechanism built-in fitting 11
In on internal surface layer 1.Wherein, for outer coversheet 2 with a thickness of 10mm, 3 maximum gauge of honeycomb inner core is 20mm.Internal surface layer 1 be it is independent at
The composite material face of type with a thickness of 7mm, and is synthesized to together by polymer matrix composites structure glue with honeycomb inner core 3.
Since polymer matrix composites can not weld steel component, for built-in fitting need to be arranged in advance convenient for blocking mechanism installation.Such as
Shown in Fig. 9-10, the section of blocking mechanism built-in fitting 11 is layered structure, including first, second, third layer, described first and the
Toroidal cavity 12 is provided between two layers and between second and third layer, it is described to close for being welded together with door leaf
Latch mechanism built-in fitting 11 is provided centrally with the screw hole of bolt 100, and bolt 100 is for being fixedly connected with blocking mechanism 4, it can also be used to Gu
Determine hinge page 6, first, second, third layer of cross section of blocking mechanism built-in fitting 11 is regular hexagon.
Furthermore, it is contemplated that at seam and door leaf and hinge page junction easily forms unfavorable load in door leaf, and at above-mentioned position
Discontinuous situation easily occurs for cellular unit body hexagonal structure, thus sets with door leaf with 6 junction of hinge page at seam in door leaf
It is equipped with reinforcer 7, reinforcer 7 is the basalt fiber tendons that diameter is 30mm, i.e. CBF muscle.Basalt fiber tendons are with basalt
Fiber etc. is that reinforcing material, synthetic resin and adjuvant etc. are basis material, draws a kind of molding NEW TYPE OF COMPOSITE material through pultrusion
Material, has the characteristics that intensity is high, light-weight, rotproofness is good, good insulating, and performance and reinforcing bar, the comparison of copper muscle are as shown in table 1.
(refer to and stitched in bivalve door connection) at seam in door leaf in this organization plan and 6 junction of hinge page increases 3 basalt fiber tendons,
The muscle is fixed in mold in advance before molding, and in mold process, the polymer matrix composites of flowing are complete by basalt fiber tendons
It wraps up and solidifies entirely., can be Nian Jie with composite material good since fiber bar surface is the coarse shape of protrusion, thus reach raising door leaf
The purpose of structural strength at middle seam and hinge page.
1 basalt fiber tendons of table (CBF muscle) performance comparison
For the structural strength and reliability for verifying honeycomb closed guard gate door leaf, finite element analysis is carried out to it.With
GHSFM6025 (5) closed guard gate is references object, and the finite element model of foundation is as depicted in figs. 11-12.
Apply load and boundary condition, obtained simulation result is as shown in figs. 13-17.
By Figure 13-17 it is found that honeycomb form under the equivalent uniformly distributed dead load effect of 0.6MPa (design drag) most
Big displacement is 0.0491m, is located at door leaf center, and maximum Von Mises stress is 58.38MPa, is located at door leaf top close to right
Side is latched at built-in fitting, and according to mechanics of materials fourth strength theory, which is less than material yield strength 100MPa, and according to strain
Cloud atlas judges that honeycomb door leaf meets design strength as it can be seen that all directions maximum strain is respectively less than 10000 μ ε of SMC limiting strain.
The drag performance and lightweight performance of closed guard gate under different door leaf structure forms are compared, the results are shown in Table 2.
The different door leaf structure performance comparisons of table 2 (by taking existing closed guard gate GHSFM6025 (5) as an example)
By table as it can be seen that although uniform ribs organization plan door leaf lighter weight, structural strength is lower, in design drag
Under can not effectively play safeguard function.By finite element analysis it is found that partial thickening ribs organization plan can be preferably
Meet resistibility requirement, but since the application of thicker reinforcing rib causes its door leaf weight larger, be unfavorable for closed guard gate's lightweight demand,
It therefore is not also optimal case.In contrast, honeycomb scheme can be realized more stable on the basis of less material utilization amount
Protective performance.
A kind of composite material closed guard gate using above-mentioned door leaf, closed guard gate use bivalve door, two door leaf is using split
Mode, door leaf connect by hinge page 6 with doorframe 5.
Above-described embodiment, which is intended merely to become apparent from, illustrates that technical solution of the present invention made enumerates, not to of the invention
It limits, those skilled in the art are according to the common knowledge of this field to the accommodation of technical scheme also in this Shen
Please be within protection scope, in short, above-described embodiment is only to enumerate, the protection scope of the application is with scope
It is quasi-.
Claims (6)
1. a kind of honeycomb closed guard gate door leaf, mainly pre- by internal surface layer (1), outer coversheet (2), blocking mechanism (4), blocking mechanism
Embedded part (11) and hinge page (6) are constituted, it is characterised in that：The door leaf further includes intermediate honeycomb inner core (3) and reinforcer
(7), the honeycomb inner core (3) be hexagon polymer matrix composites honeycomb core, be set to internal surface layer (1), outer coversheet (2) it
Before, outer coversheet (2) and honeycomb inner core (3) they are overall structure, are formed by polymer matrix composites draft；Honeycomb inner core
(3) include several dense arrangements cellular unit body (8)；Cellular unit body (8) is along short transverse thickness-tapered；Blocking mechanism
(4) it is set on internal surface layer (1) by blocking mechanism built-in fitting (11), at seam and door leaf and hinge page (6) junction in door leaf
It is provided with reinforcer (7), reinforcer (7) is basalt fiber tendons, i.e. CBF muscle.
2. a kind of honeycomb closed guard gate door leaf according to claim 1, it is characterised in that：Outer coversheet (2) thickness
For 10mm, honeycomb inner core (3) maximum gauge is 20mm, and basalt fiber tendons diameter is 30mm.
3. a kind of honeycomb closed guard gate door leaf according to claim 1, it is characterised in that：The internal surface layer (1) is only
Molding composite material face is found, with a thickness of 7mm, and is synthesized by polymer matrix composites structure glue and honeycomb inner core (3)
To together.
4. a kind of honeycomb closed guard gate door leaf according to claim 1, it is characterised in that：Blocking mechanism built-in fitting (11)
Section between layered structure, including first, second, third layer, described first and second layers and second and third layer it
Between be provided with toroidal cavity (12), for being welded together with door leaf, blocking mechanism built-in fitting (11) center setting
There are bolt (100) to use screw hole, bolt (100) is for being fixedly connected with blocking mechanism (4).
5. a kind of honeycomb closed guard gate door leaf according to claim 4, it is characterised in that：Blocking mechanism built-in fitting (11)
First, second, third layer of cross section be regular hexagon.
6. a kind of composite material closed guard gate using any one of the claim 1-5 door leaf, it is characterised in that：The closed guard gate
Using bivalve door, by the way of split, door leaf is connect by hinge page with doorframe two door leaf.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810889927.3A CN108894687A (en) | 2018-08-07 | 2018-08-07 | A kind of honeycomb closed guard gate door leaf and the composite material closed guard gate using this door leaf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810889927.3A CN108894687A (en) | 2018-08-07 | 2018-08-07 | A kind of honeycomb closed guard gate door leaf and the composite material closed guard gate using this door leaf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108894687A true CN108894687A (en) | 2018-11-27 |
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ID=64353742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810889927.3A Pending CN108894687A (en) | 2018-08-07 | 2018-08-07 | A kind of honeycomb closed guard gate door leaf and the composite material closed guard gate using this door leaf |
Country Status (1)
| Country | Link |
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| CN (1) | CN108894687A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094148A (en) * | 2019-06-06 | 2019-08-06 | 重庆华厦钢结构有限公司 | A kind of the people's air defense door leaf and manufacturing method of geometric form composite construction |
| CN113047748A (en) * | 2019-12-26 | 2021-06-29 | 铭微能源科技(上海)有限公司 | Anti-collision cellular board protective door body structure and protective door |
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| CN201218034Y (en) * | 2008-06-30 | 2009-04-08 | 上海市民防监督管理处 | Protection airtight door used for civil air defense engineering |
| RU115459U1 (en) * | 2010-10-15 | 2012-04-27 | Борис Алексеевич Карпунькин | PROTECTION FOR PEOPLE CARRYING INSIDE VEHICLES FROM DAMAGE OF A HAZARDOUS BLASTING EXPLOSION DEVICE |
| CN104912450A (en) * | 2015-06-03 | 2015-09-16 | 南京康尼机电股份有限公司 | Integrally formed composite door leaf and manufacturing method of composite door leaf |
| CN105936163A (en) * | 2016-06-03 | 2016-09-14 | 武汉驿道若水科技有限公司 | Novel composite honeycomb board |
| CN106994797A (en) * | 2017-03-31 | 2017-08-01 | 湖南吉永盛汽车零部件有限公司 | A kind of polygon cellular board and its production technology |
| CN206737742U (en) * | 2017-03-29 | 2017-12-12 | 长安大学 | A kind of composite construction blast-resistant door |
| CN209195229U (en) * | 2018-08-07 | 2019-08-02 | 中国人民解放军军事科学院国防工程研究院 | A kind of honeycomb closed guard gate door leaf and the composite material closed guard gate using this door leaf |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201218034Y (en) * | 2008-06-30 | 2009-04-08 | 上海市民防监督管理处 | Protection airtight door used for civil air defense engineering |
| RU115459U1 (en) * | 2010-10-15 | 2012-04-27 | Борис Алексеевич Карпунькин | PROTECTION FOR PEOPLE CARRYING INSIDE VEHICLES FROM DAMAGE OF A HAZARDOUS BLASTING EXPLOSION DEVICE |
| CN104912450A (en) * | 2015-06-03 | 2015-09-16 | 南京康尼机电股份有限公司 | Integrally formed composite door leaf and manufacturing method of composite door leaf |
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| CN206737742U (en) * | 2017-03-29 | 2017-12-12 | 长安大学 | A kind of composite construction blast-resistant door |
| CN106994797A (en) * | 2017-03-31 | 2017-08-01 | 湖南吉永盛汽车零部件有限公司 | A kind of polygon cellular board and its production technology |
| CN209195229U (en) * | 2018-08-07 | 2019-08-02 | 中国人民解放军军事科学院国防工程研究院 | A kind of honeycomb closed guard gate door leaf and the composite material closed guard gate using this door leaf |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094148A (en) * | 2019-06-06 | 2019-08-06 | 重庆华厦钢结构有限公司 | A kind of the people's air defense door leaf and manufacturing method of geometric form composite construction |
| CN113047748A (en) * | 2019-12-26 | 2021-06-29 | 铭微能源科技(上海)有限公司 | Anti-collision cellular board protective door body structure and protective door |
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