CN209780961U - Fireproof and anti-explosion tunnel protection door system - Google Patents
Fireproof and anti-explosion tunnel protection door system Download PDFInfo
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- CN209780961U CN209780961U CN201920201730.6U CN201920201730U CN209780961U CN 209780961 U CN209780961 U CN 209780961U CN 201920201730 U CN201920201730 U CN 201920201730U CN 209780961 U CN209780961 U CN 209780961U
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Abstract
The utility model discloses a fireproof and anti-explosion tunnel protection door system, which comprises a chamber side panel (1), a tunnel side panel (2) and a fire-resistant layer (3); steel trusses (5) which are arranged in a transverse and longitudinal staggered mode are arranged between the cavern side panel (1) and the tunnel side panel (2); the transverse and longitudinal steel trusses (5) are fixedly connected with the cavern side panels (1) and the tunnel side panels (2) respectively to form a plurality of filling space units, refractory materials are filled in the filling space units respectively, and a refractory layer (3) is formed between the cavern side panels (1) and the tunnel side panels (2), so that a protective door system with a sandwich structure is formed. The utility model discloses guard gate rigid strength has been guaranteed to two-layer panel, and refractory material provides good thermal-insulated, fire-resistant and antiknock attribute, and refractory material packs the space unit alone through every pouring pore pair every respectively, guarantees that whole atress is even.
Description
Technical Field
The utility model belongs to the technical field of the railway tunnel guard gate, more specifically relates to a fire prevention antiknock tunnel protective door system.
Background
With the development of railway construction in China, particularly large-scale construction of passenger dedicated lines, the number and length of railway tunnels are increased year by year, and the problems of fire prevention and rescue design of the railway tunnels are increasingly prominent. The newly revised "fire code for railway engineering design" requires that a transverse passage and an equipment chamber protective door be arranged in a tunnel with a certain length. Under the disaster condition, the protective door has important significance for protecting the cavern equipment, ensuring smooth information, evacuating people and creating escape conditions.
At present, the steel structure is usually coated with fireproof paint on the surface to retard the rapid spread of fire. The existing fire-resistant coating is a coating material with fire-resistant performance coated on the surface of the manufactured protective door so as to meet the requirements of fire resistance and explosion resistance, but the method has the following defects:
1. The mode of coating a fire-resistant coating on the outer part of the protective door is not ideal in fire-resistant effect, thick in thickness and large in self weight, and is easy to fall off and seriously corroded when the air humidity in the tunnel is high and the bonding force under the action of wind of a tunnel piston is poor;
2. the mode of coating a fire-resistant coating on the outer part of the protective door cannot enhance the tensile and bending resistance of the protective door and cannot play a role of resisting impact strong tunnel piston wind on the protective door;
3. Except for coating the surface of the protective door, no other fireproof and explosion-proof protective layer is arranged;
4. The surface of the protective door is rough, and the decoration is poor; the design of the hoisting chain is not optimized enough.
SUMMERY OF THE UTILITY MODEL
to the above defect or the improvement demand of prior art, the utility model provides a fire prevention antiknock tunnel guard gate system adopts room side board, flame retardant coating and tunnel side board to form "sandwich formula" guard gate door body system, and wherein, the rigid strength of guard gate is guaranteed to two-layer panel, and the flame retardant coating material provides good thermal-insulated, fire-resistant and antiknock attribute.
In order to achieve the aim, the fireproof and anti-explosion tunnel protection door system comprises a cavern side panel, a tunnel side panel and a fireproof layer; wherein,
the tunnel side panels are arranged on the tunnel side of the protective door, and steel trusses which are arranged in a transverse and longitudinal staggered manner are arranged between the tunnel side panels and the tunnel side panels; and,
The transverse and longitudinal steel trusses are fixedly connected with the cavern side panel and the tunnel side panel respectively to form a plurality of filling space units, refractory materials are filled in the filling space units respectively, and a refractory layer is formed between the cavern side panel and the tunnel side panel, so that a protective door system with a sandwich structure is formed.
Furthermore, each filling space unit is provided with at least one pouring hole, the pouring holes are arranged on the side panels of the caverns, and the side panels of the tunnel are integral panels.
furthermore, the refractory material is selected from glass fiber concrete, common fiber concrete or perlite material.
further, the steel truss is fixed with the chamber side panel and the tunnel side panel through bolts or welding.
Furthermore, the cavern side panel, the tunnel side panel and the fire-resistant layer form the protective door leaf, and a hoisting chain is arranged between one side of the protective door leaf and the reinforced concrete of the partition wall.
Furthermore, the chain mounting piece at one end of the hoisting chain is fixedly connected with the side panel of the cavern and the reserved bolt hole in the fire-resistant layer through a bolt, a gasket and a nut, and the chain mounting piece at the other end of the hoisting chain is fixedly connected with the mounting support on the reinforced concrete of the partition wall through an expansion bolt and a gasket.
Further, the height of the hoisting chain from the ground is 1/3 to 2/3 of the height of the side panel of the chamber.
Furthermore, at least 1 hoisting chain is arranged on each protective door leaf and is connected with the reinforced concrete partition wall.
Furthermore, one end of the protective door leaf is provided with a hinge, the other end of the hinge is sequentially connected with the door frame and the door pocket through bolts and a base plate, the door pocket is of a rectangular structure, and two sides of the door pocket are fixedly connected with the reinforced concrete of the partition wall through a plurality of chemical bolts.
Furthermore, fireproof and explosion-proof plugging materials are arranged in the bolt holes reserved in the hoisting chain, the side panel of the cavern and the fire-resistant layer, between the door frame and the reinforced concrete of the partition wall and in the mounting holes of the bolts.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can gain following beneficial effect:
(1) The utility model discloses a fire prevention antiknock tunnel guard gate system adopts room side board, flame retardant coating and tunnel side board to form "sandwich formula" guard gate door body system, and wherein, the rigid strength of guard gate is guaranteed to two-layer panel, and the flame retardant coating material provides good thermal-insulated, fire-resistant and antiknock's attribute. A plurality of filling space units are formed among the transverse steel truss, the longitudinal steel truss and the two layers of panels, and pouring holes are respectively arranged in each filling space unit. The refractory material fills each filling space unit through each pouring hole respectively, so that the filling caused by integral filling is effectively avoided to be uneven, and the problem that the stress of the whole fireproof and explosion-proof protective door is uneven is caused.
(2) The utility model discloses a fire prevention antiknock tunnel guard gate system, the cement base combined material that glass fiber made reinforcing material and constitute, it has good tensile, bending resistance, impact strength and percentage elongation and toughness, possesses simultaneously that glass fiber coefficient of heat conductivity is low, chemical stability is good, the application temperature range is wide, and characteristics such as nontoxic, tasteless, fire prevention, sound absorption are the fire prevention antiknock material of ideal.
(3) The utility model discloses a fire prevention antiknock tunnel protective door system, chemical crab-bolt are compared in expansion anchor, are fixed in the drilling of concrete base material with the screw rod gluing, realize having increased the bulk strength of guard gate to the anchor of mounting.
(4) the utility model discloses a fire prevention antiknock tunnel protective door system, fire prevention antiknock plugging material are used for promoting the plugging material of the fire prevention antiknock performance of other annexs of protective door except that the door body.
(5) the utility model discloses a fire prevention antiknock tunnel guard gate system, every guard gate door leaf have at least 1 jack-up chain to link to each other with the cavern wall, and the jack-up chain is from the inboard jack-up chain and the wall body of using of cavern with the door body and is drawn back, guarantees that the door body can't break through the door opening wall body and collapses to the track side under the extreme condition.
Drawings
Fig. 1 is a first top view of a fire-proof and explosion-proof tunnel protection door system according to an embodiment of the present invention;
Fig. 2 is a schematic view of a pouring hole related to a fire-proof and explosion-proof tunnel protective door system according to an embodiment of the present invention;
FIG. 3 is a partial enlarged view of the area I in FIG. 1 according to an embodiment of the present invention;
Fig. 4 is a side view of a fire-proof and explosion-proof tunnel protection door system according to an embodiment of the present invention;
Fig. 5 is a partial enlarged view of the area II of fig. 4 according to the present invention;
Fig. 6 is a second top view of a fire-proof and explosion-proof tunnel protective door system according to an embodiment of the present invention;
in all the figures, the same reference numerals denote the same features, in particular: 1-cavern 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-door frame, 10-door leaf, 11-hoisting chain, 12-partition wall reinforced concrete.
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.
Fig. 1 is the embodiment of the utility model provides a fire prevention antiknock tunnel protection door system top view one, as shown in fig. 1, the utility model relates to a fire prevention antiknock tunnel protection door system adopts the door body sandwich structure of "sandwich formula", and the door leaf of protection door includes that the door body of cavity side board 1, tunnel side board 2 and flame retardant coating 3, and the cavity side of protection door leaf is cavity side board 1, and the tunnel side of protection door leaf is tunnel side board 2. Except for selecting high-strength alloy steel panels, the chamber side panel 1 and the tunnel side panel 2 can also select glass fiber reinforced plastic panels, stainless steel plates and the like, so that the rigidity and the strength of the protective door are ensured. A fire-resistant layer 3 is arranged between the cavern side panel 1 and the tunnel side panel 2, and the fire-resistant material in the fire-resistant layer 3 can be selected from glass fiber concrete, common fiber concrete, perlite materials and the like, so that the fire resistance and the anti-explosion performance of the door body are ensured. Fig. 2 is the utility model discloses hole schematic diagram is pour that fire prevention antiknock tunnel protective door system relates to. The utility model discloses an among the fire prevention antiknock tunnel protective door system, tunnel side board 2 is the monoblock panel for resist the wind pressure, offer on the side board 1 of hole room and pour hole 4, be equipped with the steel truss 5 that the crisscross square steel pipe that arranges is violently indulged to the side board 1 of hole, tunnel between the board 2 of side board, guarantee the intensity of the door body, steel truss 5 and hole room side board 1, tunnel side are fixed through bolt or welded mode between the board 2, guarantee the gas tightness of protective door. A plurality of filling space units are formed among the transverse steel truss 5, the longitudinal steel truss 5 and the two layers of panels, and pouring holes 4 are respectively arranged in each filling space unit. Refractory material fills alone through every 4 holes of pouring to every packing space unit respectively, effectively avoids whole packing and the packing that causes inhomogeneous to lead to the inhomogeneous problem of whole fire and explosion proof guard gate atress. The utility model discloses a fire prevention antiknock tunnel guard gate system adopts the guard gate door body sandwich structure that lateral board, flame retardant coating and tunnel side board formed to constitute in the hole room, and wherein, the rigid strength of guard gate is guaranteed to two-layer panel, and the flame retardant coating material provides good thermal-insulated, fire-resistant and antiknock attribute.
Preferably, the thickness of the cavern side panel 1 and the tunnel side panel 2 is 2 mm.
preferably, the fire-resistant layer 3 is made of glass fiber concrete, the glass fiber concrete is a cement-based composite material which is composed of cement paste, mortar or concrete as a base material and glass fiber as a reinforcing material, and the cement-based composite material has excellent tensile, bending and impact strength, elongation and toughness, and has the characteristics of low heat conductivity coefficient, good chemical stability, wide application temperature range, no toxicity, no odor, fire prevention, sound absorption and the like, so that the cement-based composite material is an ideal fire-proof and explosion-proof material. Glass fiber concrete refractory material is filled between two layers of steel plates of the protective door, so that the strength of the door body of the tunnel protective door can be ensured, the wind load of a train can be borne, and the requirements of the fire endurance not less than 3 hours and the anti-explosion load not less than 0.1MPa can be met.
further, fig. 3 is a local enlarged view of the area I in fig. 1 according to the embodiment of the present invention, as shown in fig. 3, the protective door leaf 10 includes a chamber side panel 1, a tunnel side panel 2 and a fire-resistant layer 3, and a hoisting chain 11 is disposed between one side of the protective door leaf 10 and the partition reinforced concrete 12. Wherein, reserve the bolt hole in the hole room side panel 1 and the flame retardant coating 3 of guard gate door leaf 10, inside the chain mounting plate of 11 one ends of jack-up chain passed through bolt, gasket and nut and fixed to reservation bolt hole in hole room side panel 1 and the flame retardant coating 3, the chain mounting plate of the other end of jack-up chain 11 passes through expansion bolts 6 and packing ring and the erection support fixed connection on partition wall reinforced concrete 12. In addition, the one end of the door leaf 10 of the protective door is provided with a hinge, the other end of the hinge is sequentially connected with the door frame 9 and the door pocket 8 through bolts and backing plates, the door pocket 8 is of a rectangular structure, wherein two sides of the door pocket are fixedly connected with the reinforced concrete 12 of the partition wall through a plurality of chemical bolts 7, and the chemical bolts 7 are cemented and fixed in the concrete base material drilling holes through a special chemical adhesive compared with the expansion bolts 6 so as to realize the composite member for anchoring the fixing member and increase the overall strength of the protective door. The protective door adopts a lifting chain to reliably connect all parts of the door body with the wall of the cavity, and the door body is prevented from falling to the side of the track under abnormal conditions.
Furthermore, fireproof and explosion-proof plugging materials are arranged inside the bolt holes reserved in the hoisting chain 11, the chamber side panel 1 and the fire-resistant layer 3, between the door frame 9 of the protective door and the partition wall reinforced concrete 12 and in the bolt mounting holes, and are used for improving the fireproof and explosion-proof performance of other accessories (such as safety chains, door frames, bolts and the like) of the protective door except the door body, so that the whole fireproof and explosion-proof performance of the protective door is ensured. The material comprises organic fireproof blocking material, inorganic fireproof blocking material and a fire retardant bag. The organic fireproof blocking material is made by taking organic synthetic resin as an adhesive, adding a fireproof agent, a filler and the like, and rolling, is not solidified for a long time, has good plasticity, can be blocked at will, and is matched with an inorganic fireproof blocking material and a fire retardant bag for use.
Further, fig. 4 is a side view of the fire-proof and anti-explosion tunnel protection door system of the embodiment of the present invention. Fig. 5 is the local enlargements in II area of fig. 4 of the utility model, combine fig. 4 and fig. 5, hoist chain 11 is 1/3 department to 2/3 department of the high 1 height of guard gate cavern side board apart from ground height, and every guard gate door leaf has 1 piece jack chain 11 and cavern wall to link to each other at least, and jack chain 11 is with the door body from the inboard jack chain of using of cavern and wall body restraint, guarantee that the door body can't break through the door cavern wall body and collapse to the track side under the extreme condition.
Preferably, fig. 6 is a second top view of a fire-proof and explosion-proof tunnel protective door system according to an embodiment of the present invention. As shown in the figure, the guard gate is two opening structures, and the lock form of guard gate is locking from top to bottom, and two doors are the sandwich structure who establishes flame retardant coating 3 between cavern side board 1, the tunnel side board 2, set up a jack chain 11 on every guard gate at least, and the one end of jack chain 11 links to each other with the wall body, and the other end passes through bolt and cavern side board 1 and flame retardant coating 3 is fixed indirect.
Preferably, the surfaces of the chamber side panel 1 and the tunnel side panel 2 are coated with fireproof layers, and the surfaces are coated with fireproof paint. All materials need to be subjected to moisture-proof and rust-proof treatment, and structural metal glue is coated on the materials.
Preferably, the pouring of the fire-resistant layer 3 is carried out in a factory, so that the performance of the whole protective door is stable, and the protective door is demolded and then transported to the site and installed after meeting the requirements. The size of the door body is designed according to the size of a field door opening, the framework and the panel are prefabricated and prewelded according to the designed size, the pouring, solidification and demolding of the fire-resistant layer are carried out after the welding is finished, and after the protective door is installed, the joint of the door frame and the wall of the opening needs to be sealed by cement. The door lock of the protective door is locked up and down. The door leaf is opened towards the inner side of the chamber. The protective door adopts channel steel as a threshold, and the top surface of the threshold is flush with the ground. The gap between the door bodies is sealed by structural metal glue.
The outer steel sheet surface of the existing guard gate of contrast brushes fire-resistant coating's fire prevention antiknock scheme, the utility model relates to a "sandwich" fire prevention antiknock tunnel guard gate structure has that the fire prevention grade is high, antiknock load is strong, chemical stability is good, be difficult for advantages such as the damage that drops. The method can be directly applied to the manufacture of protective doors of transverse passages, equipment chambers, inclined shafts, emergency rescue stations and the like in tunnels. The utility model discloses on the basis of guaranteeing tunnel guard gate structural strength, increase the fire prevention of the door body, antiknock grade, satisfy the safety requirement of relevant requirement such as "railway engineering design fire prevention standard" and railway operation, transportation.
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, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (10)
1. A fireproof and anti-explosion tunnel protective door system is characterized by comprising a chamber side panel (1), a tunnel side panel (2) and a fire-resistant layer (3); wherein,
The tunnel side plate (2) is arranged on the tunnel side of the protective door, and steel trusses (5) which are arranged transversely and longitudinally in a staggered mode are arranged between the tunnel side plate (1) and the tunnel side plate (2); and,
The transverse and longitudinal steel trusses (5) are fixedly connected with the cavern side panels (1) and the tunnel side panels (2) respectively to form a plurality of filling space units, refractory materials are filled in the filling space units respectively, and a refractory layer (3) is formed between the cavern side panels (1) and the tunnel side panels (2), so that a protective door system with a sandwich structure is formed.
2. a fire and explosion protection tunnel door system according to claim 1, wherein each of the space-filling units has at least one casting hole (4), the casting holes (4) are arranged on the chamber side panel (1), and the tunnel side panel (2) is a one-piece panel.
3. A fire and explosion protection tunnel protective door system according to claim 1 or 2, wherein the refractory material is glass fiber concrete, ordinary fiber concrete or perlite material.
4. A fire and explosion protection tunnel door system according to claim 1, wherein the steel truss (5) is fixedly connected with the chamber side panel (1) and the tunnel side panel (2) by bolts or welding.
5. A fire and explosion protection tunnel door system according to claim 1 or 2, wherein the chamber side panel (1), the tunnel side panel (2) and the fire resistant layer (3) constitute the protection door leaf (10), and a lifting chain (11) is arranged between one side of the protection door leaf (10) and the reinforced concrete (12) of the partition wall.
6. A fire and explosion protection tunnel door system according to claim 5, wherein the chain mounting plate at one end of the hoist chain (11) is fixedly connected with the side chamber panel (1) and the reserved bolt holes in the fire-resistant layer (3) through bolts, gaskets and nuts, and the chain mounting plate at the other end of the hoist chain (11) is fixedly connected with the mounting seat on the reinforced concrete (12) of the partition wall through an expansion bolt (6) and a gasket.
7. A fire and explosion protection tunnel door system according to claim 5, wherein the height of the hoisting chain (11) from the ground is 1/3 to 2/3 of the height of the chamber side panel (1).
8. A fire and explosion protection tunnel protective door system according to claim 5, wherein at least 1 lifting chain (11) is arranged on each protective door leaf (10) and is connected with the reinforced concrete (12) of the partition wall.
9. a fireproof and antiknock tunnel protective door system according to claim 8, characterized in that one end of the protective door leaf (10) is provided with a hinge, the other end of the hinge is connected with the door frame (9) and the door pocket (8) in turn by bolts and backing plates, the door pocket (8) is of a rectangular structure, wherein the two sides are fixedly connected with the partition wall reinforced concrete (12) by a plurality of chemical bolts (7).
10. A fire and explosion protection tunnel protective door system according to claim 9, wherein fire and explosion protection blocking materials are arranged in bolt holes reserved in the hoisting chain (11), the chamber side panel (1) and the fire-resistant layer (3), between the door frame (9) and the reinforced concrete (12) of the partition wall and in mounting holes of the bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920201730.6U CN209780961U (en) | 2019-02-15 | 2019-02-15 | Fireproof and anti-explosion tunnel protection door system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920201730.6U CN209780961U (en) | 2019-02-15 | 2019-02-15 | Fireproof and anti-explosion tunnel protection door system |
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| Publication Number | Publication Date |
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| CN209780961U true CN209780961U (en) | 2019-12-13 |
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| CN201920201730.6U Active CN209780961U (en) | 2019-02-15 | 2019-02-15 | Fireproof and anti-explosion tunnel protection door system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707451A (en) * | 2019-02-15 | 2019-05-03 | 中铁第四勘察设计院集团有限公司 | A kind of fire-and explosion-proof tunnel protection door system |
| CN113958230A (en) * | 2021-10-25 | 2022-01-21 | 中铁第四勘察设计院集团有限公司 | Assembly type installation structure and assembly type installation method of tunnel protection door |
-
2019
- 2019-02-15 CN CN201920201730.6U patent/CN209780961U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707451A (en) * | 2019-02-15 | 2019-05-03 | 中铁第四勘察设计院集团有限公司 | A kind of fire-and explosion-proof tunnel protection door system |
| CN113958230A (en) * | 2021-10-25 | 2022-01-21 | 中铁第四勘察设计院集团有限公司 | Assembly type installation structure and assembly type installation method of tunnel protection door |
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| GR01 | Patent grant |