CN109707451A - A kind of fire-and explosion-proof tunnel protection door system - Google Patents
A kind of fire-and explosion-proof tunnel protection door system Download PDFInfo
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- CN109707451A CN109707451A CN201910117454.XA CN201910117454A CN109707451A CN 109707451 A CN109707451 A CN 109707451A CN 201910117454 A CN201910117454 A CN 201910117454A CN 109707451 A CN109707451 A CN 109707451A
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- side panel
- fire
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- tunnel
- explosion
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Abstract
The invention discloses a kind of fire-and explosion-proof tunnel protection door systems, including cavern's side panel (1), tunnel side panel (2) and flame retardant coating (3)；The steel truss (5) of transverse and longitudinal interlaced arrangement is equipped between cavern's side panel (1) and the tunnel side panel (2)；Laterally and between the longitudinal steel truss (5) and cavern's side panel (1) and the tunnel side panel (2) it is respectively fixedly connected with, form several filling space cells, refractory material is separately filled in each filling space cell, and flame retardant coating (3) are formed between cavern's side panel (1) and the tunnel side panel (2), to form the protection door system with sandwich.Two-layer panel of the present invention ensure that protective door stiffness, and fire resisting layer material provides the attribute of good heat-insulated, fire resisting and antiknock, and refractory material passes through each pouring hole respectively and each filling space cell is separately filled, and guarantee whole uniform force.
Description
Technical field
The invention belongs to railway tunnel protective door technical fields, more particularly, to a kind of fire-and explosion-proof tunnel protection door
System.
Background technique
With the Large scale construction of the development of railway construction in China, especially Line for Passenger Transportation, railway tunnel quantity, length by
Year increases, and the fire prevention of railway tunnel and rescue design problem are outstanding day by day." the railway engineering design fire safety rules " newly revised is wanted
It asks and transverse passage-way and equipment cavern protective door is set in the tunnel of certain length.Under hazardous condition, protective door is for protecting hole
Room equipment guarantees that information opened, crowd evacuation and creation escape condition are of great significance.
Currently, steel construction blocks fire and spreads rapidly usually in external coating fireproof coating.Existing refractory coating be
The coating material with fire resistance is coated on the protective door surface to complete, to reach the performance requirement of fire resisting, antiknock, still
This method has the disadvantage that
1, the mode of refractory coating is applied outside protective door, usual fire resisting effect is not very ideal, and thickness is thick, self weight
Greatly, it easily falls off when air humidity is big in tunnel, the lower cohesive force of tunnel Piston Action Wind effect is bad, seriously corroded；
2, the mode that refractory coating is applied outside protective door, cannot enhance the tension of protective door, the performance of bending resistance, cannot be to anti-
Shield door plays the piston wind action of shock resistance strength tunnel；
3, in addition to protective door surface is smeared, other fire-proof and explosion-proof protective layers are not provided with；
4, protective door rough surface, it is decorative poor；The design of hoisting chain not enough optimizes.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the present invention provides a kind of fire-and explosion-proof tunnel protection door system
System forms " sandwich style " protective door door body system using cavern's side panel, flame retardant coating and tunnel side panel, wherein two layers
Panel guarantees protective door stiffness, and fire resisting layer material provides the attribute of good heat-insulated, fire resisting and antiknock.
To achieve the above object, a kind of fire-and explosion-proof tunnel protection door system, including cavern's side panel, tunnel side are provided
Plate and flame retardant coating；Wherein,
Cavern's side panel is set to the cavern side of protective door, and the tunnel side panel is set to the tunnel of the protective door
Road side is equipped with the steel truss of transverse and longitudinal interlaced arrangement between cavern's side panel and the tunnel side panel；Also,
It is solid respectively between the lateral and longitudinal steel truss and cavern's side panel and the tunnel side panel
Fixed connection is separately filled with refractory material in each filling space cell, and in the hole if forming dry-packing space cell
Flame retardant coating is formed between room side panel and the tunnel side panel, to form the protection door system with sandwich.
Further, there is at least one pouring hole, the pouring hole is arranged in institute on each filling space cell
It states on cavern's side panel, the tunnel side panel is entire panel.
Further, the refractory material selects glass reinforced concrete glass, general fibre concrete or perlite material.
Further, pass through bolt or weldering between the steel truss and cavern's side panel, the tunnel side panel
The mode of connecing is fixed.
Further, cavern's side panel, the tunnel side panel and the flame retardant coating constitute the protective door door
Fan, and hoisting chain is set between the side and partition wall armored concrete of the protective door door leaf.
Further, the chain installation sheet of described hoisting chain one end passes through bolt, gasket and nut and the cavern
Prepared screw-bolt hole is fixedly connected in side panel and the flame retardant coating, the chain installation sheet of the other end of the hoisting chain
It is fixedly connected by expansion bolt and washer with the erection support on the partition wall armored concrete.
Further, the hoisting chain is at 1/3 that ground level is cavern's side panel height at 2/3.
Further, 1 hoisting chain is at least set on every fan protective door door leaf, and with the partition wall steel
Reinforced concrete is connected.
Further, loose-leaf is arranged in protective door door leaf one end, and the other end of the loose-leaf passes through bolt and backing plate
Successively it is connected with doorframe and door pocket, the door pocket is rectangular configuration, and wherein two sides pass through several chemical bolts and the partition
Wall armored concrete is fixedly connected.
Further, in the hoisting chain and cavern's side panel and the flame retardant coating in prepared screw-bolt hole, institute
State between doorframe and the partition wall armored concrete and be respectively provided in the installation hole of the bolt fire-proof and explosion-proof closure material
Material.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, can obtain down and show
Beneficial effect:
(1) fire-and explosion-proof tunnel protection door system of the invention, using cavern's side panel, flame retardant coating and tunnel side panel
Form " sandwich style " protective door door body system, wherein two-layer panel guarantees protective door stiffness, and fire resisting layer material provides good
Heat-insulated, fire resisting and antiknock attribute.Multiple fill out is formed among the steel truss and two-layer panel of lateral steel truss and longitudinal direction
Space cell is filled, is respectively arranged pouring hole in each filling space cell.Refractory material passes through each pouring hole to each respectively
Filling space cell is separately filled, effectively avoid it is integral-filled and caused by filling it is uneven, so as to cause entire fire prevention
The problem of explosion-proof protective door unbalance stress.
(2) fire-and explosion-proof tunnel protection door system of the invention, it is multiple that glass fibre makees cement base composed by reinforcing material
Condensation material is provided simultaneously with the thermally conductive system of glass fibre with excellent tension, bending resistance, impact strength and elongation percentage and toughness
Number it is low, chemical stability is good, use temperature range is wide, and it is nontoxic, tasteless, fire prevention, sound-absorbing the features such as, be ideal fire-and explosion-proof
Material.
(3) fire-and explosion-proof tunnel protection door system of the invention, chemical anchor bolts are cementing solid by screw rod compared to expansion anchor
Due in the drilling of concrete substrate, realizes the anchoring to fixing piece, increase the integral strength of protective door.
(4) fire-and explosion-proof tunnel protection door system of the invention, fire-and explosion-proof plugging material is for promoting protective door except door
The plugging material of the fire-and explosion-proof performance of other external attachmentes.
(5) fire-and explosion-proof tunnel protection door system of the invention, every fan protective door door leaf at least 1 hoisting chain and hole
Locular wall is connected, and hoisting chain restrains door body on the inside of cavern with hoisting chain and wall, guarantees that door body can not under extreme case
Door opening wall is broken through to collapse to rail side.
Detailed description of the invention
Fig. 1 is a kind of fire-and explosion-proof tunnel protection door system top view one of the embodiment of the present invention；
Fig. 2 is a kind of pouring hole schematic diagram that fire-and explosion-proof tunnel protection door system is related to of the embodiment of the present invention；
Fig. 3 is the region I partial enlarged view in Fig. 1 of the embodiment of the present invention；
Fig. 4 is a kind of fire-and explosion-proof tunnel protection door system side view of the embodiment of the present invention；
Fig. 5 is the region the II partial enlarged view of Fig. 4 of the present invention；
Fig. 6 is a kind of fire-and explosion-proof tunnel protection door system top view two of the embodiment of the present invention；
In all the appended drawings, same appended drawing reference indicates identical technical characteristic, specifically: the cavern 1- side panel, 2-
Tunnel side panel, 3- flame retardant coating, 4- pouring hole, 5- steel truss, 6- expansion bolt, 7- chemical bolt, 8- door pocket, 9- doorframe, 10-
Door leaf, 11- hoisting chain, 12- partition wall armored concrete.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below that
Not constituting conflict between this can be combined with each other.
Fig. 1 is a kind of fire-and explosion-proof tunnel protection door system top view one of the embodiment of the present invention, as shown in Figure 1, of the invention
For related fire-and explosion-proof tunnel protection door system using the door body sandwich of " sandwich style ", the door leaf of protective door includes hole
Room side panel 1, tunnel side panel 2 and flame retardant coating 3, the cavern side of protective door door leaf are cavern's side panel 1, protective door door leaf
Tunnel side is tunnel side panel 2.Cavern's side panel 1 and tunnel side panel 2, can be with other than selecting high-strength alloy steel facing
Glass reinforced plastic panel, stainless steel plate etc. are selected, guarantees protective door stiffness.It is between cavern's side panel 1, tunnel side panel 2
Such as glass reinforced concrete glass, general fibre concrete, perlite material can be selected in flame retardant coating 3, the refractory material in flame retardant coating 3
Deng guaranteeing fire resisting, the capability of antidetonance of door body.Fig. 2 is what a kind of fire-and explosion-proof tunnel protection door system of the embodiment of the present invention was related to
Pouring hole schematic diagram.In fire-and explosion-proof tunnel protection door system of the invention, tunnel side panel 2 is entire panel, for resisting
Wind pressure opens up pouring hole 4 on cavern's side panel 1, and the side of transverse and longitudinal interlaced arrangement is equipped between cavern's side panel 1, tunnel side panel 2
The steel truss 5 of steel pipe composition, guarantees the intensity of door body, passes through bolt between steel truss 5 and cavern's side panel 1, tunnel side panel 2
Or the mode of welding is fixed, and guarantees the air-tightness of protective door.The steel truss 5 and two levels of lateral steel truss 5 and longitudinal direction
Multiple filling space cells are formed among plate, are respectively arranged pouring hole 4 in each filling space cell.Refractory material passes through respectively
Each filling space cell is separately filled in each pouring hole 4, effectively avoid it is integral-filled and caused by filling it is uneven,
The problem of so as to cause entire fire-proof and explosion-proof protective door unbalance stress.Fire-and explosion-proof tunnel protection door system of the invention, is adopted
It is constituted with the protective door door body sandwich that cavern's side panel, flame retardant coating and tunnel side panel are formed, wherein two-layer panel is protected
Protective door stiffness is demonstrate,proved, fire resisting layer material provides the attribute of good heat-insulated, fire resisting and antiknock.
Preferably, cavern's side panel 1 and tunnel side panel 2 with a thickness of 2mm.
Preferably, flame retardant coating 3 uses glass reinforced concrete glass, and glass reinforced concrete glass is with cement slurry, mortar or coagulation
Soil makees substrate, makees cement-base composite material composed by reinforcing material with glass fibre, with excellent tension, bending resistance, resists
Impact strength and elongation percentage and tough performance, are provided simultaneously with that glass fibre thermal coefficient is low, chemical stability is good, use temperature range
Extensively, and it is nontoxic, tasteless, fire prevention, sound-absorbing the features such as, be ideal fire-and explosion-proof material.Glass is filled between protective door two-layered steel plates
Glass fiber concrete refractory material can either guarantee tunnel protection door door body intensity, bear train wind load, and can reach resistance to
The fiery limit is not less than the requirement of 0.1MPa not less than 3 hours, antiknock load.
Further, Fig. 3 is the region I partial enlarged view in Fig. 1 of the embodiment of the present invention, as shown in figure 3, protective door door leaf 10
Including cavern's side panel 1, tunnel side panel 2 and flame retardant coating 3, the side of protective door door leaf 10 and partition wall armored concrete 12
Between be arranged hoisting chain 11.Wherein, prepared screw-bolt hole in the cavern's side panel 1 and flame retardant coating 3 of protective door door leaf 10, lifting
The chain installation sheet of 11 one end of chain is fixed in cavern's side panel 1 and flame retardant coating 3 by bolt, gasket and nut and is reserved
Inside bolt hole, the chain installation sheet of the other end of hoisting chain 11 is mixed by expansion bolt 6 and washer and partition wall reinforcing bar
Erection support on solidifying soil 12 is fixedly connected.In addition, loose-leaf is arranged in 10 one end of protective door door leaf, the other end of loose-leaf passes through bolt
And backing plate is successively connected with doorframe 9 and door pocket 8, door pocket 8 is rectangular configuration, wherein two sides and partition wall armored concrete 12
Be fixedly connected by several chemical bolts 7, chemical anchor bolts 7 compared to expansion anchor 6, be by special chemical bonding agent,
Be fixed on screw rod is cementing in the drilling of concrete substrate, to realize the composite members that anchors to fixing piece, increase protective door it is whole by force
Degree.Each component of door body is reliably connected by protective door using hoisting chain with Dong Shibi, and door body is avoided to swing to rail in an abnormal situation
Road side.
, further, in hoisting chain 11 and cavern's side panel 1 and flame retardant coating 3 inside prepared screw-bolt hole protective door
Fire-proof and explosion-proof plugging material is respectively provided between doorframe 9 and partition wall armored concrete 12 and in bolt mounting holes hole, fire prevention is anti-
The fire prevention that quick-fried plugging material is used to be promoted other attachmentes (such as safety chains, doorframe, bolt etc.) of the protective door in addition to door body is anti-
The plugging material of quick-fried performance guarantees protective door entirety fire-and explosion-proof performance.Material includes organic fire prevention calking, inorganic fireproofing plugging
And fire retardant package.Organic fire prevention calking is using organic synthetic resin as bonding agent, and addition fireproof agent, filler etc. are formed through spreading, is blocked up
Material does not solidify for a long time, and plasticity is fine, can arbitrarily be blocked, and is used cooperatively with inorganic fireproofing plugging, fire retardant package.
Further, Fig. 4 is a kind of fire-and explosion-proof tunnel protection door system side view of the embodiment of the present invention.Fig. 5 is this hair
The region the II partial enlarged view of bright Fig. 4, in conjunction with Fig. 4 and Fig. 5, hoisting chain 11 is protective door cavern side panel apart from ground level
To at 2/3 at the 1/3 of 1 height, every fan protective door door leaf at least 1 hoisting chain 11 is connected with cavern's wall, hoisting chain 11
Door body is restrained on the inside of cavern with hoisting chain and wall, guarantees that door body can not break through door opening wall to track under extreme case
Collapse side.
Preferably, Fig. 6 is a kind of fire-and explosion-proof tunnel protection door system top view two of the embodiment of the present invention.As shown,
Protective door is double swing doors, and the door lock form of protective door is to lock up and down, and two fan doors are cavern's side panel 1, tunnel side
The sandwich of flame retardant coating 3 is set between plate 2, and a hoisting chain 11 is at least set on every fan protective door, the one of hoisting chain 11
End is connected with wall, and the other end is fixed indirect by bolt and cavern's side panel 1 and flame retardant coating 3.
Preferably, cavern's side panel 1, fireprotection layer is applied on 2 surface of tunnel side panel, surface applies the spray painting of fire resisting.And
All material is all needed by moisture-proof antirust treatment, and coats structural metal glue.
Preferably, the factory that is cast in of flame retardant coating 3 carries out, and guarantees that entire protective door performance is stable, reaches demoulding after requirement
It is transported to scene, installation again.Door body size carries out prefabricated, pre- according to live door opening size design, skeleton, panel according to design size
Weldering carries out casting, solidification, the demoulding of flame retardant coating after the completion of welding, after protective door is installed, doorframe needs to use with the engaging portion Dong Bi
Cement seal.The door lock form of protective door is to lock up and down.Door leaf is opened to cavern's interior direction.Protective door does door using channel steel
Sill, threshold top surface are concordant with ground.Door body gap is sealed using structural metal glue.
The fire-and explosion-proof scheme of existing protective door outer layer plate external coating refractory coating is compared, it is according to the present invention
" sandwich style " fire-and explosion-proof tunnel protection door is high with fire-protection rating, antiknock load is strong, chemical stability is good, is not easy to take off
The advantages that falling damage.It may be directly applied to the manufacture of the protective doors such as transverse passage-way in tunnel, equipment cavern, inclined shaft, Emergency Assistance station
On.The present invention increases fire prevention, the antiknock rating of door body on the basis of guaranteeing tunnel protection door intensity, meets " railway work
Journey designs fire safety rules " etc. related requests and railway operation, transport safety requirements.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not used to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of fire-and explosion-proof tunnel protection door system, which is characterized in that including cavern's side panel (1), tunnel side panel (2) with
And flame retardant coating (3)；Wherein,
Cavern's side panel (1) is set to the cavern side of protective door, and the tunnel side panel (2) is set to the protective door
Tunnel side is equipped with the steel truss (5) of transverse and longitudinal interlaced arrangement between cavern's side panel (1) and the tunnel side panel (2)；And
And
Laterally and between the longitudinal steel truss (5) and cavern's side panel (1) and the tunnel side panel (2) divide
It is not fixedly connected, forms several filling space cells, be separately filled with refractory material in each filling space cell, and
Flame retardant coating (3) are formed between cavern's side panel (1) and the tunnel side panel (2), so that being formed has sandwich
Protection door system.
2. a kind of fire-and explosion-proof tunnel protection door system according to claim 1, which is characterized in that each filling is empty
Between there is on unit at least one pouring hole (4), the pouring hole (4) is arranged on cavern's side panel (1), the tunnel
Side panel (2) is entire panel.
3. a kind of fire-and explosion-proof tunnel protection door system according to claim 1 or 2, which is characterized in that the fire proofed wood
Material is glass reinforced concrete glass, general fibre concrete or perlite material.
4. a kind of fire-and explosion-proof tunnel protection door system according to claim 1-3, which is characterized in that the steel
It is fixedly connected between truss (5) and cavern's side panel (1), the tunnel side panel (2) by bolt or welding manner.
5. a kind of fire-and explosion-proof tunnel protection door system according to claim 1-4, which is characterized in that the hole
Room side panel (1), the tunnel side panel (2) and the flame retardant coating (3) constitute the protective door door leaf (10), and described anti-
It protects between the side and partition wall armored concrete (12) of door door leaf (10) and hoisting chain (11) is set.
6. a kind of fire-and explosion-proof tunnel protection door system according to claim 5, which is characterized in that the hoisting chain
(11) the chain installation sheet of one end passes through bolt, gasket and nut and cavern's side panel (1) and the flame retardant coating (3)
Middle prepared screw-bolt hole is fixedly connected, and the chain installation sheet of the other end of the hoisting chain (11) passes through expansion bolt (6)
And washer is fixedly connected with the erection support on the partition wall armored concrete (12).
7. a kind of fire-and explosion-proof tunnel protection door system according to claim 5 or 6, which is characterized in that the hoisting-chain
Item (11) is at 1/3 that ground level is cavern's side panel (1) height at 2/3.
8. according to a kind of described in any item fire-and explosion-proof tunnel protection door systems of claim 5-7, which is characterized in that every fan institute
State and 1 hoisting chain (11) be at least set on protective door door leaf (10), and with partition wall armored concrete (12) phase
Even.
9. according to a kind of described in any item fire-and explosion-proof tunnel protection door systems of claim 5-8, which is characterized in that described anti-
Protect door door leaf (10) one end and loose-leaf be set, the other end of the loose-leaf by bolt and backing plate successively with doorframe (9) and door
It covers (8) to be connected, the door pocket (8) is rectangular configuration, and wherein two sides are mixed by several chemical bolts (7) and the partition wall reinforcing bar
Solidifying soil (12) is fixedly connected.
10. according to a kind of described in any item fire-and explosion-proof tunnel protection door systems of claim 5-8, which is characterized in that described
In hoisting chain (11) and cavern's side panel (1) and the flame retardant coating (3) in prepared screw-bolt hole, the doorframe (9) with
Fire-proof and explosion-proof plugging material is respectively provided between the partition wall armored concrete (12) and in the installation hole of the bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910117454.XA CN109707451A (en) | 2019-02-15 | 2019-02-15 | A kind of fire-and explosion-proof tunnel protection door system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910117454.XA CN109707451A (en) | 2019-02-15 | 2019-02-15 | A kind of fire-and explosion-proof tunnel protection door system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566104A (en) * | 2019-09-24 | 2019-12-13 | 武汉开得利门业有限公司 | Light high-strength corrosion-resistant tunnel protection door or cavern door |
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