CN217735314U - Concrete civil air defense door - Google Patents
Concrete civil air defense door Download PDFInfo
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- CN217735314U CN217735314U CN202221863857.2U CN202221863857U CN217735314U CN 217735314 U CN217735314 U CN 217735314U CN 202221863857 U CN202221863857 U CN 202221863857U CN 217735314 U CN217735314 U CN 217735314U
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Abstract
The application relates to a concrete civil air defense door, which comprises a door body, wherein the door body comprises a first door plate and a second door plate, a partition plate is arranged between the first door plate and the second door plate, a plurality of connecting holes are formed in the partition plate, energy-absorbing columns penetrate through the plurality of connecting holes, one end of each energy-absorbing column is fixedly connected with the first door plate, the other end of each energy-absorbing column is fixedly connected with the second door plate, a heat-insulating layer is arranged on the partition plate, fire-proof layers are arranged on the partition plate and the heat-insulating layer, and the partition plate has a cache energy-absorbing effect; when the door body receives the blast shock wave and assaults, the energy-absorbing post carries out local resistance to compression support and energy-absorbing to first door plant and second door plant through self high strength compressive property, is favorable to protecting the door body to improve the shock resistance of the door body when lightening a body weight, the heat preservation is favorable to increasing the heat preservation effect of baffle simultaneously, the flame retardant coating is favorable to improving the fire prevention effect of baffle, further increases the heat preservation ability and the fire behavior of people's air defense door.
Description
Technical Field
The application relates to the technical field of civil air defense engineering, in particular to a concrete civil air defense door.
Background
Along with the large-area rapid construction of a large number of urban civil air defense projects in China, higher requirements are put forward on the safety and the service performance of the protective door, and the traditional protective door is mostly of a single solid reinforced concrete structure.
The existing reinforced concrete civil air defense door is high in cost, heavy in weight, very inconvenient to construct and install, very easy to deform due to dead weight in the using process and the like, so that the door is inconvenient to open and close, the sealing is not tight, the service life is greatly shortened, even serious consequences are caused by operation failure in critical time, and in addition, the daily maintenance is greatly disturbed, so that the using and maintaining cost is greatly increased.
The common light door plate has limited impact resistance, is easy to damage when being impacted, influences the service life, and is difficult to meet the resistance requirement of the protective door at present, so that the development of a novel light reinforced concrete door becomes necessary and urgent.
SUMMERY OF THE UTILITY MODEL
In order to improve shock resistance, this application provides a concrete civil air defense door.
The application provides a concrete civil air defense door adopts following technical scheme:
the utility model provides a concrete civil air defense door, includes the door body, the door body includes first door plant and second door plant, be provided with the baffle between first door plant and the second door plant, a plurality of connecting holes have been seted up on the baffle, and are a plurality of all wear to be equipped with the energy-absorbing post in the connecting hole, the one end and the first door plant fixed connection of energy-absorbing post, the other end and second door plant fixed connection.
Through adopting above-mentioned technical scheme, when the door body received the explosion and assaulted, the energy-absorbing post can carry out fine support to door leaf major structure through self stronger compressive strength performance to the energy-absorbing, thereby the impact force that most door bodies received is fallen in the buffering, prevents that the door leaf from taking place the fracture deformation, is favorable to protecting the door body, improves the shock resistance of the door body when lightening the guard gate weight.
Optionally, the energy-absorbing column is a concrete column, and the energy-absorbing column is integrally formed with the first door panel and the second door panel.
Through adopting above-mentioned technical scheme, energy-absorbing post and first door plant and second door plant integrated into one piece are favorable to pouring the energy-absorbing post when pouring first door plant and second door plant to reduce the preparation time of people's air defense door, improve the production efficiency of people's air defense door, the energy-absorbing post sets up to concrete column is convenient for the energy-absorbing post and is cracked the energy-absorbing simultaneously.
Optionally, a plurality of transverse reinforcing rods and a plurality of longitudinal reinforcing rods are fixedly arranged in the first door panel, and the transverse reinforcing rods and the longitudinal reinforcing rods are arranged in a staggered manner.
Through adopting above-mentioned technical scheme, set up horizontal stiffener and vertical stiffener and be favorable to increasing the structural strength of first door plant to increase the structural strength of a body.
Optionally, a plurality of the partition plates are arranged, and the partition plates are fixedly arranged between two adjacent transverse reinforcing rods and two adjacent longitudinal reinforcing rods.
Through adopting above-mentioned technical scheme, the baffle is provided with a plurality ofly to increase the quantity of energy-absorbing post, further promote the energy-absorbing effect, can increase the area of contact between baffle and horizontal stiffener and the vertical stiffener simultaneously, reduce the baffle and take place to rock or the displacement between first door plant and second door plant, thereby increase the stability of baffle.
Optionally, a heat insulation layer is arranged on the partition plate, a through hole for the energy absorption column to pass through is formed in the heat insulation layer, and the through hole is communicated with the connecting hole.
Through adopting above-mentioned technical scheme, the heat preservation is favorable to increasing the heat preservation effect of baffle, further increases the heat preservation ability of people's air defense door.
Optionally, fire-proof layers are arranged on the partition board and the heat-insulating layer.
Through adopting above-mentioned technical scheme, the flame retardant coating is favorable to improving the fire prevention effect of baffle, further increases the fire behavior of people's air defense door.
Optionally, a plurality of through holes are formed in the transverse reinforcing rod and the longitudinal reinforcing rod, connecting columns penetrate through the through holes, one ends of the connecting columns are fixedly connected with the first door plate, and the other ends of the connecting columns are fixedly connected with the second door plate.
Through adopting above-mentioned technical scheme, the in-process of pouring the door body, the concrete can fill and form the spliced pole in the through-hole on horizontal stiffener and the vertical stiffener to with first door plant and second door plant fixed connection, make first door plant and second door plant form the overall structure that a plurality of places are connected, strengthen the joint strength of first door plant and second door plant greatly, thereby improve the intensity of the door body, guarantee the quality of concrete civil air defense door.
Optionally, a limiting groove for fixedly connecting the longitudinal reinforcing rod is formed in the transverse reinforcing rod.
Through adopting above-mentioned technical scheme, with the spacing inslot of vertical stiffener fixed connection on horizontal stiffener, increased the area of contact of horizontal stiffener and vertical stiffener through the spacing groove, and then increased the joint strength of the two, be favorable to increasing the structural strength of first door plant.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the door body is impacted by explosion, the energy absorption column can well support the main body structure of the door leaf through the strong compressive strength performance of the energy absorption column per se and absorb energy, so that most of impact force applied to the door body is buffered, the door leaf is prevented from cracking and deforming, the door body is protected, the weight of the protection door is reduced, and the impact resistance of the door body is improved;
2. the energy-absorbing column is integrally formed with the first door plate and the second door plate, so that the energy-absorbing column is poured while the first door plate and the second door plate are poured, the manufacturing time of the civil air defense door is reduced, the production efficiency of the civil air defense door is improved, and meanwhile, the energy-absorbing column is arranged as a concrete column to facilitate the fragmentation and energy absorption of the energy-absorbing column;
3. the baffle is made by inhaling the sound cotton and is favorable to increasing the heat preservation effect of baffle, further increases the heat preservation ability of people's air defense door, sets up the flame retardant coating on the heated board and is favorable to improving the fire prevention effect of baffle, further increases the fire prevention ability of people's air defense door.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a first door panel and a second door panel in accordance with an embodiment of the present application;
FIG. 3 is a schematic structural view of an energy absorbing pillar embodying the present application;
FIG. 4 is a schematic structural diagram of the embodiment of the present application mainly embodying the transverse reinforcing rods and the longitudinal reinforcing rods;
FIG. 5 is a schematic structural diagram mainly showing a partition plate and an insulating layer in the embodiment of the present application;
fig. 6 is a schematic structural diagram mainly showing a through hole and a connecting column in the embodiment of the present application.
Description of the reference numerals: 1. a door body; 11. a first door panel; 12. a second door panel; 13. a partition plate; 131. connecting holes; 14. an energy absorbing column; 15. a support rib; 151. a transverse support rib; 152. a longitudinal support rib; 21. a transverse stiffener; 211. a limiting groove; 22. a longitudinal stiffener; 23. a through hole; 24. connecting columns; 31. a heat-insulating layer; 311. and (5) perforating.
Detailed Description
The present application is described in further detail below with reference to the attached drawing figures.
The embodiment of the application discloses concrete civil air defense door.
Referring to fig. 1 and 2, a concrete civil air defense door comprises a door body 1, wherein the door body 1 is made of an ultra-high performance concrete material and a high performance active nano inorganic composite material, the door body 1 comprises a first door panel 11 and a second door panel 12, both the first door panel 11 and the second door panel 12 comprise a reinforcing mesh and a concrete layer, reinforcing steel bars in the reinforcing mesh are made of a high-strength material, such as manganese steel, and two ends of the reinforcing mesh are bent to increase the firmness and the shock wave resistance of the whole structure. Concrete is poured in the steel bar net, a plurality of supporting ribs 15 are arranged between the first door panel 11 and the second door panel 12, the supporting ribs 15 are formed by pouring concrete, each supporting rib 15 comprises a transverse supporting rib 151 and a longitudinal supporting rib 152, the transverse supporting ribs 151 and the longitudinal supporting ribs 152 are arranged in a plurality, the transverse supporting ribs 151 and the longitudinal supporting ribs 152 are fixedly connected in a grid structure in a crossed mode, the first door panel 11 and the second door panel 12 are fixedly connected through the transverse supporting ribs 151 and the longitudinal supporting ribs 152 which are poured by concrete, the width of the transverse supporting rib 151 in the middle position is larger than the width of the transverse supporting ribs 151 on two sides, and the width of the longitudinal supporting rib 152 in the middle position is larger than the width of the longitudinal supporting ribs 152 on two sides. The concrete layer integrated into one piece of first door plant 11 and second door plant 12 is provided with baffle 13 between first door plant 11 and the second door plant 12, and baffle 13 has the buffering energy-absorbing effect, and baffle 13 sets up to the polyethylene board.
Referring to fig. 2, 3 and 4, a plurality of connecting holes 131 are formed in the partition plate 13, the connecting holes 131 penetrate through the partition plate 13, energy-absorbing columns 14 penetrate through the connecting holes 131, one ends of the energy-absorbing columns 14 are fixedly connected with the first door panel 11, the other ends of the energy-absorbing columns are fixedly connected with the second door panel 12, the energy-absorbing columns 14 are concrete columns, and the energy-absorbing columns 14 are integrally formed with the first door panel 11 and the second door panel 12. The insulating layer 31 is fixedly arranged on the partition plate 13, the insulating layer 31 is made of sound absorption cotton, a through hole 311 for the energy absorption column 14 to penetrate through is formed in the insulating layer 31, the through hole 311 is communicated with the connecting hole 131, and the energy absorption column 14 penetrates through the through hole 311 and the connecting hole 131 simultaneously. The partition plate 13 and the heat insulation layer 31 are both provided with a fireproof layer, the fireproof layer is made of modified aluminum hydroxide fire retardant, and the fireproof layer is coated on the surfaces of the partition plate 13 and the heat insulation layer 31.
Referring to fig. 5 and 6, a plurality of transverse reinforcing rods 21 and a plurality of longitudinal reinforcing rods 22 are fixedly disposed in the first door panel 11, and the transverse reinforcing rods 21 and the longitudinal reinforcing rods 22 are made of a high-strength steel material, such as manganese steel. The lateral reinforcing rods 21 and the longitudinal reinforcing rods 22 are fixed in the lateral support ribs 151 and the longitudinal support ribs 152, respectively, the lateral reinforcing rods 21 corresponding to the lateral support ribs 151 one by one, and the longitudinal reinforcing rods 22 corresponding to the longitudinal support ribs 152 one by one. Horizontal stiffener 21 welds on first door plant 11's reinforcing bar net, a plurality of horizontal stiffeners 21 are parallel to each other, horizontal stiffener 21 and vertical stiffener 22 are crisscross to be set up, horizontal stiffener 21 and vertical stiffener 22 cross fixed connection are latticed structure, offer the spacing groove 211 that is used for the vertical stiffener 22 of fixed connection on the horizontal stiffener 21, spacing groove 211 is seted up on horizontal stiffener 21's length direction is close to the lateral wall of vertical stiffener 22, spacing groove 211 is provided with a plurality ofly along the length direction of horizontal stiffener 21, vertical stiffener 22 and spacing groove 211 joint, spacing groove 211 and vertical stiffener 22 looks adaptation. The partition plates 13 are provided in plurality, the partition plates 13 are laid on the side wall of the first door panel 11 close to the second door panel 12 along the length direction of the first door panel 11 and the width direction of the first door panel 11, and the partition plates 13 are fixedly arranged between two adjacent transverse reinforcing rods 21 and two adjacent longitudinal reinforcing rods 22.
Referring to fig. 6, a plurality of through holes 23 are formed in the transverse reinforcing rods 21 and the longitudinal reinforcing rods 22, connecting columns 24 penetrate through the through holes 23, the connecting columns 24 are concrete rods, one ends of the connecting columns 24 are fixedly connected with the first door plate 11, the other ends of the connecting columns 24 are fixedly connected with the second door plate 12, and the connecting columns 24 are integrally formed with the first door plate 11 and the second door plate 12. The connecting columns 24 on the transverse reinforcing rods 21 are located in the middle positions of two adjacent longitudinal reinforcing rods 22, and the connecting columns 24 on the longitudinal reinforcing rods 22 are located in the middle positions of two adjacent transverse reinforcing rods 21, so that the connecting columns 24 are uniformly distributed on the transverse reinforcing rods 21 and the longitudinal reinforcing rods 22, and the supporting force borne by the door body 1 is more balanced.
The implementation principle of a concrete civil air defense door of the embodiment of the application is as follows: when the door body 1 is impacted by explosion, the energy absorption column 14 can well support the door leaf main body structure through the strong compressive strength performance of the energy absorption column, absorb energy, buffer most impact force received by the door body 1, prevent the door leaf from cracking and deforming, be favorable for protecting the door body 1, and improve the impact resistance of the door body 1 while reducing the weight of the protective door.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a concrete civil air defense door, includes door body (1), its characterized in that: the door body (1) comprises a first door plate (11) and a second door plate (12), a support rib (15) is arranged between the first door plate (11) and the second door plate (12), the first door plate (11) and the second door plate (12) are fixedly connected through the support rib (15), a partition plate (13) is arranged between the first door plate (11) and the second door plate (12), a plurality of connecting holes (131) are formed in the partition plate (13) in a multiple mode, an energy absorption column (14) is arranged in each connecting hole (131) in a penetrating mode, one end of each energy absorption column (14) is fixedly connected with the first door plate (11), and the other end of each energy absorption column is fixedly connected with the second door plate (12).
2. A concrete civil air defense door according to claim 1, wherein: the energy absorption column (14) is a concrete column, and the energy absorption column (14) is integrally formed with the first door panel (11) and the second door panel (12).
3. A concrete civil air defense door according to claim 1, wherein: the first door panel (11) is internally and fixedly provided with a plurality of transverse reinforcing rods (21) and a plurality of longitudinal reinforcing rods (22), and the transverse reinforcing rods (21) and the longitudinal reinforcing rods (22) are arranged in a staggered mode.
4. A concrete civil air defense door according to claim 3, wherein: the partition plates (13) are arranged in plurality, and the partition plates (13) are arranged between two adjacent transverse reinforcing rods (21) and two adjacent longitudinal reinforcing rods (22).
5. A concrete civil air defense door according to claim 1, wherein: the energy absorption column is characterized in that a heat insulation layer (31) is fixedly arranged on the partition plate (13), a through hole (311) for the energy absorption column (14) to penetrate through is formed in the heat insulation layer (31), and the through hole (311) is communicated with the connecting hole (131).
6. A concrete civil air defense door according to claim 5, wherein: and the partition plates (13) are provided with fireproof layers.
7. A concrete civil air defense door according to claim 3, wherein: all seted up a plurality of through-holes (23) on horizontal stiffener (21) and vertical stiffener (22), wear to be equipped with spliced pole (24) in through-hole (23), the one end and first door plant (11) fixed connection of spliced pole (24), the other end and second door plant (12) fixed connection.
8. A concrete civil air defense door according to claim 3, wherein: and a limiting groove (211) for fixedly connecting the longitudinal reinforcing rod (22) is formed in the transverse reinforcing rod (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221863857.2U CN217735314U (en) | 2022-07-19 | 2022-07-19 | Concrete civil air defense door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221863857.2U CN217735314U (en) | 2022-07-19 | 2022-07-19 | Concrete civil air defense door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217735314U true CN217735314U (en) | 2022-11-04 |
Family
ID=83850911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221863857.2U Active CN217735314U (en) | 2022-07-19 | 2022-07-19 | Concrete civil air defense door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217735314U (en) |
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2022
- 2022-07-19 CN CN202221863857.2U patent/CN217735314U/en active Active
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