CN209654082U - A kind of tunnel protection door - Google Patents
A kind of tunnel protection door Download PDFInfo
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- CN209654082U CN209654082U CN201920078908.2U CN201920078908U CN209654082U CN 209654082 U CN209654082 U CN 209654082U CN 201920078908 U CN201920078908 U CN 201920078908U CN 209654082 U CN209654082 U CN 209654082U
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- 238000009413 insulation Methods 0.000 claims abstract description 51
- 239000011152 fibreglass Substances 0.000 claims abstract description 22
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- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical group [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 16
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- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 3
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Abstract
The utility model discloses a kind of tunnel protection doors; belong to tunnel protection door correlative technology field; it is by being arranged the bursting layer being made of reinforced concrete floor; and thermal insulation layer and fireprotection layer are set gradually on the both sides of the face of bursting layer; form fire proof heat-insulation layer; and corresponded on the periphery of fire proof heat-insulation layer and bursting layer and pour certain thickness glass reinforced plastic, strain protective layer is formed, the tunnel protection door with multilayer material is then formed.The tunnel protection door of the utility model, its structure and moulding process are simple, setting is easy, the self weight of tunnel protection door can be effectively reduced, promote shock resistance, the capability of antidetonance and the refractory heat-insulating performance of tunnel protection door, promote the application convenience of tunnel protection door, extend the fire endurance time of tunnel fire proofing door, the efficiency of tunnel protection door emergency escape is utilized when promotion tunnel something unexpected happened, the loss of reduction personnel, property, it ensure that the safe operation in tunnel, there is fabulous application value.
Description
Technical Field
The utility model belongs to the technical field of the tunnel guard gate is relevant, concretely relates to tunnel guard gate.
Background
With the continuous development of high-speed railways in China, railway tunnels are applied more and more, and the mileage is longer and longer. In the operation process of the tunnel, because the space in the tunnel is relatively closed, if a fire disaster happens in the tunnel, the fire disaster is difficult to deal with, and the evacuation and rescue work of people is more difficult than in a non-tunnel section. Therefore, an evacuation channel is often added in the tunnel to ensure the efficiency of emergency evacuation, and a tunnel guard gate is correspondingly arranged to separate the evacuation channel from the train rail region of the tunnel; in addition, storage door openings for communication, signal, power and other equipment are often arranged in the tunnel, and the door openings are also generally separated from the train track area of the tunnel by a tunnel protection door so as to ensure the storage safety and the use stability of the equipment.
However, because the ratio of the train sectional area to the tunnel sectional area is larger when the train passes through the tunnel in operation, the length of the tunnel is often longer, the operation speed of the train is higher, so that the train can generate a 'piston effect' of larger lateral wind pressure in the tunnel when operating in the tunnel, a continuous wind pressure effect can be generated on the tunnel protection doors at two sides of the tunnel, under the effect of long-term circulating wind pressure, the tunnel protection doors can be possibly damaged by impact or fall off to the side of the rail, thereby bringing hidden danger to the safe operation of the tunnel and also influencing the normal storage of equipment in the tunnel.
In prior art, tunnel guard gate adopts single ordinary reinforced concrete material or steel sheet to press from both sides the shaping of cement fiber material mostly, tunnel guard gate's quality is big, installation and switching difficulty, the coating of door leaf drops easily, in addition the corrosion resisting property of metal material door plant is relatively poor, the durability is poor, the maintenance, the cost of managing is higher, and the antiknock ability of current tunnel guard gate is limited moreover, the fire-resistant limit time of the door body is shorter, can't fully satisfy tunnel guard gate safety, convenient needs of using, there is certain limitation.
SUMMERY OF THE UTILITY MODEL
The utility model provides a tunnel guard gate, wherein have multilayer structure's tunnel guard gate through preferred setting, simplify the forming process of tunnel guard gate, promote the fire-proof thermal-insulated performance and the antiknock performance of the guard gate door body, prolong the fire-resistant limit time of tunnel guard gate to personnel's survival probability when promptly sparse in the promotion tunnel.
In order to achieve the above purpose, the utility model provides a tunnel protection door, which comprises a door body with a multilayer structure and is characterized in that,
the door body comprises a strain protection layer, a fireproof heat insulation layer and an anti-explosion layer which are sequentially arranged from the outside to the inside; wherein,
the anti-explosion layer is arranged in the middle of the door body and is of a reinforced concrete plate-shaped structure with a certain thickness, and the fireproof heat-insulating layers are correspondingly arranged on the end surfaces of the two sides of the anti-explosion layer respectively;
the fireproof heat insulation layer comprises a heat insulation layer tightly adhered to the end face of the anti-explosion layer and a fireproof layer tightly adhered to the end face of the heat insulation layer;
the strain protection layers are respectively arranged on the surface of the fireproof heat insulation layer and the side wall surface of the door body and are formed by pouring glass fiber reinforced plastics.
As a further improvement, a plurality of reinforcing bar stratum reticulare are provided with along the thickness direction interval in the antiknock layer, the reinforcing bar stratum reticulare is tied up by a plurality of reinforcing bars that are the crisscross setting of cross and forms.
As a further improvement, the reinforcing bar stratum reticulare are a plurality of that the interval set up, and adjacent two through a plurality of edges between the reinforcing bar stratum reticulare the overall structure is tied up to the reinforcing bar that antiknock layer thickness direction set up.
As a further improvement, the thermal insulation layer is bonded with the thermal insulation layer through a strong adhesive, so that the thermal insulation layer and the anti-explosion layer form a unified stress structure.
As a further improvement, the anti-explosion layer is respectively provided with the fireproof heat insulation layer on each surface.
As a further improvement of the utility model, the heat insulation layer is aluminum silicate heat insulation cotton.
As a further improvement of the utility model, the heat insulation layer is an aluminum silicate fireproof plate.
As a further improvement of the utility model, the glass fiber reinforced plastic is polyester glass fiber reinforced plastic, epoxy glass fiber reinforced plastic or phenolic aldehyde glass fiber reinforced plastic.
The above-described improved technical features may be combined with each other as long as they do not conflict with each other.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, has following beneficial effect:
(1) the utility model discloses a tunnel guard gate, it is through setting up the antiknock layer of constituteing by reinforced concrete layer, and set gradually insulating layer and flame retardant coating on the both sides terminal surface on antiknock layer, form the fire prevention insulating layer, and correspond to pour the glass steel of certain thickness on the periphery of fire prevention insulating layer and antiknock layer, form the protective layer of meeting an emergency, form the tunnel guard gate with multilayer material then, effectively promote the shock resistance, antiknock performance and the fire-resistant heat-proof quality of tunnel guard gate, promote the application security of tunnel guard gate, promote the survival probability of the personnel of fleing for one's life when needing urgent fleing in the tunnel;
(2) the utility model discloses a tunnel guard gate, it sets up strain protection layer and fire prevention insulating layer through corresponding, has effectively reduced the dead weight of tunnel guard gate, has promoted the application convenience of tunnel guard gate, has made things convenient for the quick opening and closing of tunnel guard gate, has promoted the efficiency of urgent evacuation, has reduced the loss of personnel and property;
(3) the tunnel protection door of the utility model has the advantages that the cost is lower, the cost of maintenance and management is lower, the forming cost of the tunnel protection door is effectively reduced, and the economical efficiency of the tunnel protection door is improved by optimizing the materials such as glass fiber reinforced plastics, aluminum silicate heat insulation cotton and aluminum silicate fireproof plates;
(4) the utility model discloses a tunnel guard gate, its structure and forming process are simple, it is simple and convenient to set up, can effectively reduce the dead weight of tunnel guard gate, promote tunnel guard gate's shock resistance, antiknock performance and fire-resistant heat-proof quality, promote tunnel guard gate's application convenience, the fire-resistant limit time of fire door is prevented in the extension tunnel, utilize tunnel guard gate efficiency of promptly fleing when promoting the tunnel emergence accident, reduce personnel, the loss of property, the safety operation in tunnel has been guaranteed, has fabulous popularization and application and worth.
Drawings
FIG. 1 is a cross sectional view of the tunnel protection door according to an embodiment of the present invention;
FIG. 2 is a longitudinal sectional view of the tunnel protection door in the embodiment of the present invention;
FIG. 3 is a step diagram of a method for forming a tunnel protection door according to an embodiment of the present invention;
in all the figures, the same reference numerals denote the same features, in particular: 1. an anti-explosion layer, 101, reinforcing steel bars, 102, concrete and 103, binding wires; 2. fireproof heat insulation layer 201, heat insulation layer 202, fireproof layer; 3. and a strain protection layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
The utility model discloses tunnel guard gate in the preferred embodiment is as shown in figure 1 and figure 2, and wherein, tunnel guard gate is multilayer combined material, including the fire prevention insulating layer and the strain protection layer that are located the 1 both sides on antiknock layer 1 and the antiknock layer at middle part and all are provided with.
More specifically, the anti-knock layer 1 in the preferred embodiment is a reinforced concrete layer with a certain thickness, and if a certain amount of fibers are present in the reinforced concrete layer, polypropylene fibers may be further preferred in the preferred embodiment, so that the reinforced concrete has excellent anti-knock capability under high temperature conditions, because the increase of the fiber material can effectively increase the internal bonding force of the concrete material, so that the anti-knock capability of the concrete material is greatly improved.
Further, a plurality of steel bar mesh layers are arranged at intervals in the thickness direction of the anti-explosion layer 1 in the preferred embodiment, each steel bar mesh layer includes a plurality of steel bars 101 which are arranged vertically and transversely in a staggered manner, as shown in fig. 2, the steel bars 101 are correspondingly bound at the boundary position by binding wires 103, and the binding wires 103 in the preferred embodiment can be preferably steel wires, iron wires, rubber ropes and the like; further preferably, can correspond by the reinforcing bar that sets up along 1 thickness direction on antiknock layer between the two adjacent reinforcing bar net layers and connect, form reinforcing bar net structure then to cast in situ concrete on reinforcing bar net structure, form the platelike structure that has certain thickness.
Further, the two side end faces of the anti-explosion layer 2 in the preferred embodiment are respectively provided with the fireproof heat insulation layer 2, the fireproof heat insulation layer 2 in the preferred embodiment comprises a heat insulation layer 201 and a fireproof layer 202, wherein the heat insulation layer 201 is arranged on the surface of the anti-explosion layer 1, the fireproof layer 202 is arranged on the surface of the heat insulation layer 201, and the heat insulation layer 201 and the anti-explosion layer 1 in the preferred embodiment are respectively bonded through a strong adhesive, so that the bonding firmness is ensured, the anti-explosion layer 1 and the fireproof heat insulation layers 2 on the two sides form a stable integral structure, a uniform stressed body is formed, and the door body of the tunnel protection door is ensured to be capable of fireproof heat insulation and can fully bear impact force with certain strength.
Further preferably, the heat insulation layer 201 in the preferred embodiment is aluminum silicate heat insulation cotton, which may further preferably be formed by aluminum silicate fiber injection cotton and/or aluminum silicate fiber throwing cotton, which is a refractory material, has excellent high-temperature insulation performance, and can buffer the impact force acting on the anti-explosion layer 1 to a certain extent; further, the fire barrier layer 202 in the preferred embodiment is an aluminum silicate fire barrier, which is a refractory material with excellent high temperature insulation properties. Further preferably, the outer surface of the anti-explosion layer 1 in the preferred embodiment is provided with a fireproof heat insulation layer, that is, the four side wall surfaces of the anti-explosion layer 1 are also provided with fireproof heat insulation layers respectively, so that the tunnel protection door in the preferred embodiment is ensured not to have fireproof and anti-explosion weak areas.
Through setting up flame retardant coating 202 on the surface of fire prevention insulating layer 2, because when the conflagration breaing out, flame is from the door body surface internal reaction of tunnel guard gate, protection through flame retardant coating 202, make the tunnel guard gate can guarantee the door body incombustible of tunnel guard gate when the conflagration takes place, and the effect through insulating layer 201, even can make when the conflagration takes place to inoxidizing coating 202 one side, the heat of conflagration can't transmit antiknock layer 1, perhaps only have a small amount of heat transfer to antiknock layer 1, guarantee the structural stability of antiknock layer 1, and then realized the stable application of tunnel guard gate.
Further, the surface of the fireproof heat insulation layer 2 in the preferred embodiment is further provided with a strain protection layer 3, which is preferably made of glass fiber reinforced plastic through casting molding, and is further preferably made of any one of polyester glass fiber reinforced plastic, epoxy glass fiber reinforced plastic and phenolic glass fiber reinforced plastic, and as the glass fiber reinforced plastic has excellent viscoelasticity and elastoplasticity, the strain protection layer can bear large deformation and buffer impact force acting on the tunnel protection door; meanwhile, the glass fiber reinforced plastic material has strong corrosion resistance and high temperature resistance, and can play a role in fire prevention and heat resistance to a certain extent; further preferably, glass fiber reinforced plastics with a certain thickness are poured on each surface of the tunnel protection door body, so that a protective sleeve formed by the glass fiber reinforced plastics is formed on the periphery of the door body of the tunnel protection door, and the structural stability of the tunnel protection door is fully ensured.
Through setting gradually protective layer 3 that meets an emergency from the surface to the inside, fire prevention insulating layer 2 and antiknock layer 1, bear certain impact load by protective layer 3 that meets an emergency and insulating layer 201, reduce the impact load size of using on antiknock layer 1, guarantee the structural stability of antiknock layer 1, and the fire prevention effect through flame retardant coating 202 and the thermal-insulated effect of insulating layer 201, guarantee the structural stability of antiknock layer 1 when the conflagration breaing out in the tunnel, promote the life and the safety in utilization of tunnel guard gate, and the quality that tunnel guard gate can effectively be alleviateed in the setting of protective layer 3 that meets an emergency and the setting of fire prevention insulating layer 2, promote the use convenience of tunnel guard gate.
Further, the tunnel guard door in the preferred embodiment may preferably be formed by the steps as shown in fig. 3, in particular as follows:
s1: arranging a plurality of reinforcing steel bars 101 in a crisscross manner, bundling the reinforcing steel bars into a net-shaped structure, and forming a plurality of reinforcing steel bar net layer structures bundled by the reinforcing steel bars 101 in the thickness direction of the tunnel protection door;
s2: placing a plurality of reinforcing mesh layers in a concrete forming mould, and correspondingly pouring concrete in the reinforcing mesh layers, wherein the concrete in the preferred embodiment is added with a certain proportion of fiber materials, and then forming the anti-explosion layer 1 with a certain thickness;
s3: bonding aluminum silicate heat-insulating cotton with certain thickness on the end surfaces of the two sides of the demolded anti-explosion layer 1 by using a strong adhesive to form a heat-insulating layer 201 on the surface of the anti-explosion layer 1; of course, it should be understood by those skilled in the art that the material of the thermal insulation layer 201 is not limited to the aluminum silicate insulation wool, but may be other thermal insulation materials such as polyurethane foam, phenolic foam, aluminum-plated polyester film material, etc. according to actual needs;
s4: bonding an aluminum silicate fireproof plate with a certain thickness on the surface of the heat insulation layer 201 by using a strong adhesive, enabling the aluminum silicate fireproof plate to be tightly attached to the surface of the aluminum silicate heat insulation cotton to serve as a fireproof layer 202 on the surface of the heat insulation layer 201, and then forming fireproof heat insulation layers 2 on the end faces of the two sides of the anti-explosion layer 1; similarly, the material of the fire-proof layer 202 is not limited to the above aluminum silicate fire-proof plate, but may also be preferably another fire-proof material according to actual needs, such as a fire-proof soft porcelain material, a fire-proof plaster material, etc.;
s5: after the fireproof heat insulation layer 2 is formed stably, the glass fiber reinforced plastics with certain thickness are poured and formed correspondingly on the surface of the fireproof heat insulation layer 2 and the side wall surface of the door body to form a strain protection layer 3 on the outermost side of the tunnel protection door, and then after the glass fiber reinforced plastics are formed, the surface of the glass fiber reinforced plastics is pasted with a film and decorated, so that the tunnel protection door body with a multilayer structure is formed.
The utility model discloses tunnel guard gate in the preferred embodiment, its structure and forming process are simple, it is simple and convenient to set up, can effectively reduce the dead weight of tunnel guard gate, promote tunnel guard gate's shock resistance, antiknock performance and fire-resistant heat-proof quality, promote tunnel guard gate's application convenience, the fire-resistant limit time of fire door is prevented in the extension tunnel, utilize tunnel guard gate efficiency of promptly fleing when promoting the tunnel to take place the accident, reduce personnel, the loss of property, the safe operation in tunnel has been guaranteed, has fabulous popularization and application and worth.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A tunnel protection door comprises a door body with a multilayer structure, and is characterized in that,
the door body comprises a strain protection layer, a fireproof heat insulation layer and an anti-explosion layer which are sequentially arranged from the outside to the inside; wherein,
the anti-explosion layer is arranged in the middle of the door body and is of a reinforced concrete plate-shaped structure with a certain thickness, and the fireproof heat-insulating layers are correspondingly arranged on the end surfaces of the two sides of the anti-explosion layer respectively;
the fireproof heat insulation layer comprises a heat insulation layer tightly adhered to the end face of the anti-explosion layer and a fireproof layer tightly adhered to the end face of the heat insulation layer;
the strain protection layers are respectively arranged on the surface of the fireproof heat insulation layer and the side wall surface of the door body and are formed by pouring glass fiber reinforced plastics.
2. The tunnel protection door according to claim 1, wherein a plurality of reinforcement mesh layers are arranged at intervals in the thickness direction in the anti-explosion layer, and the reinforcement mesh layers are formed by bundling a plurality of reinforcing steel bars which are arranged in a crisscross manner.
3. The tunnel protection door according to claim 2, wherein the plurality of reinforcement mesh layers are arranged at intervals, and a plurality of reinforcements arranged along the thickness direction of the antiknock layer are bundled between two adjacent reinforcement mesh layers to form an integral structure.
4. The tunnel protection door according to any one of claims 1 to 3, wherein the heat insulation layer and the anti-explosion layer and the fire-proof layer and the heat insulation layer are bonded through strong adhesives, so that the fire-proof heat insulation layer and the anti-explosion layer form a unified stress body structure.
5. The tunnel protection door according to any one of claims 1 to 3, wherein the fireproof and heat-insulating layer is respectively arranged on each surface of the anti-explosion layer.
6. The tunnel protection door of any one of claims 1-3, wherein the thermal insulation layer is aluminum silicate insulation wool.
7. The tunnel protection door of any one of claims 1 to 3, wherein the insulating layer is an aluminium silicate fire-proof plate.
8. The tunnel guard door of any one of claims 1 to 3, wherein the glass fibre reinforced plastic is polyester glass reinforced plastic, epoxy glass reinforced plastic, or phenolic glass reinforced plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920078908.2U CN209654082U (en) | 2019-01-17 | 2019-01-17 | A kind of tunnel protection door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920078908.2U CN209654082U (en) | 2019-01-17 | 2019-01-17 | A kind of tunnel protection door |
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| CN209654082U true CN209654082U (en) | 2019-11-19 |
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| CN201920078908.2U Active CN209654082U (en) | 2019-01-17 | 2019-01-17 | A kind of tunnel protection door |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723491A (en) * | 2019-01-17 | 2019-05-07 | 中铁第四勘察设计院集团有限公司 | A kind of tunnel protection door and its forming method |
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2019
- 2019-01-17 CN CN201920078908.2U patent/CN209654082U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723491A (en) * | 2019-01-17 | 2019-05-07 | 中铁第四勘察设计院集团有限公司 | A kind of tunnel protection door and its forming method |
| CN109723491B (en) * | 2019-01-17 | 2024-01-16 | 中铁第四勘察设计院集团有限公司 | Tunnel protection door and forming method thereof |
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