CN210712930U - Underground rectangular comprehensive pipe gallery structure hanging type fireproof system - Google Patents
Underground rectangular comprehensive pipe gallery structure hanging type fireproof system Download PDFInfo
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- CN210712930U CN210712930U CN201920893226.7U CN201920893226U CN210712930U CN 210712930 U CN210712930 U CN 210712930U CN 201920893226 U CN201920893226 U CN 201920893226U CN 210712930 U CN210712930 U CN 210712930U
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- pipe gallery
- fireproof heat
- insulation laminated
- cabin body
- fireproof
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Abstract
The utility model provides a hanging fire protection system of underground rectangle utility tunnel structure belongs to the underground works disaster prevention field. Arranging a plurality of mounting hangers in the pipe gallery cabin body, mounting the mounting hangers on the inner wall of the pipe gallery cabin body through hanger fixing plates by mounting bolts, mounting a hanger external-hanging fireproof heat-insulation laminated plate, and fixing the hanger external-hanging fireproof heat-insulation laminated plate and the hanger internal-hanging fireproof heat-insulation laminated plate together through bolt connection, wherein the fireproof heat-insulation laminated plate consists of a plurality of layers of fireproof heat-insulation materials which are connected through an inter-plate connecting piece; the beneficial effects of the utility model are that fire behavior is good, the atress performance is good, the installation of being convenient for, and easy replacement installs quick portably, and effectual less conflagration makes the fire prevention disaster prevention performance show the promotion to the damage of underground pipe gallery body, casualties and economic loss when can effectual reduction underground structure conflagration take place.
Description
Technical Field
The utility model discloses underground works disaster prevention field, concretely relates to underground rectangle utility tunnel structure suspension type fire protection system.
Background
Along with the development of urban construction, a large number of urban pipe galleries are being constructed, and when the urban pipe galleries are more and more applied and bring convenience to the lives of people, the fires of the urban pipe galleries frequently occur all over the world, and the fires of the urban pipe galleries cause serious casualties and huge property losses to the local places besides causing huge damage to the infrastructure. And because the limited condition of fleing and the special circumstances such as the difficulty of carrying out the rescue when fire fighter gets into conflagration city piping lane of city piping lane itself all require city piping lane design to take more systematic safety measure.
In recent years, underground structures develop rapidly in China, a plurality of subways and underground complexes are built in succession, and the fire prevention problem of the underground structures is always difficult to overcome.
At present, the fireproof coating is generally adopted, but the thickness and the heat conductivity coefficient of the fireproof coating are limited, and the fireproof coating cannot play an effective role at all.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a hanging fire protection system of underground rectangle utility tunnel structure solves underground structure's fire prevention problem.
The utility model adopts the technical scheme as follows:
a hanging type fire protection system for an underground rectangular comprehensive pipe gallery structure comprises a pipe gallery cabin body, fire protection and heat insulation laminated plates, inter-plate connecting pieces, a special backing plate I, a mounting hanger, an on-plate connecting piece, a concave groove and a special backing plate II;
a plurality of mounting hangers are uniformly arranged along the inner wall of the cabin body of the pipe gallery cabin body;
the fireproof heat-insulation laminated slab is composed of four layers of fireproof materials, a plurality of through holes are uniformly arranged on each layer of fireproof material, the inter-plate connecting pieces are uniformly arranged on the fireproof heat-insulation laminated slab, and the end parts of two end plates of the inter-plate connecting pieces are inwards and horizontally bent to fix the layers of fireproof materials together;
the fireproof heat-insulation laminated slabs at the same side in the pipe gallery cabin body are connected through on-board connecting pieces arranged on the boards;
the fireproof heat-insulation laminated slab is divided into a fireproof heat-insulation laminated slab I, a fireproof heat-insulation laminated slab II and a fireproof heat-insulation laminated slab III;
uniformly arranging concave grooves in the longitudinal direction of the fireproof heat-insulation laminated slab; a specially-made base plate II is arranged on the concave grooves of the first fireproof heat-insulation laminated slab and the second fireproof heat-insulation laminated slab, and a specially-made base plate I is arranged on the concave groove of the third fireproof heat-insulation laminated slab;
the installation hanging rack penetrates through a hanging rack hole reserved in the pipe gallery cabin body to connect the first fireproof heat-insulation laminated slab and the second special base plate with an upper top plate of the inner wall of the cabin body of the pipe gallery cabin body; the installation stores pylon passes the rack hole that the piping lane cabin body was reserved and will prevent fires thermal-insulated superimposed sheet three and purpose-built backing plate one and the cabin inner wall of the piping lane cabin body about the lateral wall be connected, the installation stores pylon passes the rack hole that the piping lane cabin body was reserved and will prevent fires thermal-insulated superimposed sheet two and purpose-built backing plate two and be connected with the piping lane shoulder.
Furthermore, in the four layers of fireproof materials, the first layer and the fourth layer are fireproof rubber layers, the second layer is an expanded vermiculite layer, and the third layer is a glass fiber layer, wherein the second expanded vermiculite layer is a mixture of expanded vermiculite, water glass and silicon phosphate.
Further, the fireproof rubber layer with the side of the concave groove is in contact with the cavity of the pipe gallery cabin body, and the fireproof rubber layer without the side of the concave groove is in contact with the inner wall of the pipe gallery cabin body.
Further, the side face of the inner wall of the cabin body, close to the pipe gallery cabin body, of the specially-made base plate I is prefabricated with inverted triangular sawteeth, and the fireproof heat-insulation laminated slab III is prevented from vertically producing sliding displacement under the action of gravity.
Further, the mounting hanger is composed of four parts, namely a mounting bolt, a hanger fixing plate, a fixing frame and a nut, the fixing frame and the hanger fixing plate are prefabricated together, and the mounting bolt fixes the hanger fixing plate on the inner wall of the pipe gallery on the inner side of the fireproof heat-insulation laminated slab; the tail of the fixing frame is prefabricated with threads matched with the nut.
Furthermore, the glass fiber layer is made of two or more than two materials of carbon fiber net, glass fiber net and basalt fiber net.
Furthermore, the length and width of the special backing plate I and the special backing plate II are the same as those of a concave groove reserved on the fireproof heat-insulation laminated slab, and the height of the special backing plate I and the height of the special backing plate II are larger than that of the concave groove.
Further, the use sequence of the mounting rack is as follows:
1) the mounting bolts fix the hanger fixing plate on the inner wall of the pipe gallery;
2) the fireproof heat-insulation laminated slab is hung outside the rack fixing plate, and the fixing rack penetrates through a bolt hole reserved in the fireproof heat-insulation laminated slab;
3) a specially-made base plate I or a specially-made base plate II is laid in a reserved concave groove on the fireproof heat-insulation laminated slab;
4) the fireproof heat-insulation laminated plate is fixed with the inner wall of the pipe gallery through the bolt connection.
The third fireproof heat-insulation laminated slab and the cabin body of the pipe gallery are connected in sequence:
a) the fixing frame fixed on the pipe gallery cabin body penetrates through a hanging frame hole reserved on the fireproof heat-insulation laminated slab III to externally hang the fireproof heat-insulation laminated slab III on the pipe gallery cabin body;
b) a special backing plate I is placed in a concave groove reserved on the outermost fireproof rubber layer, and the special backing plate I is hung outside the outer layer of the fireproof heat-insulation laminated slab III by the fixing frame;
c) and finally, fixing the fireproof heat-insulation laminated slab III and the special backing plate-fixing frame together by using nuts.
Furthermore, the connection methods of the first fireproof heat-insulation laminated slab, the second fireproof heat-insulation laminated slab and the third fireproof heat-insulation laminated slab are the same as those of the pipe gallery cabin body.
The utility model has the advantages that:
the beneficial effects of the utility model are that fire behavior is good, the atress performance is good, the installation of being convenient for, and easy replacement installs quick portably, and effectual less conflagration makes the fire prevention disaster prevention performance show the promotion to the damage of underground pipe gallery body, improves the fire resistance of city piping lane structure itself, and perfect accuse fire system can effectual reduction underground structure casualties and economic loss when taking place the conflagration.
Drawings
Fig. 1 is a schematic diagram of a suspended fire protection system of an underground rectangular comprehensive pipe gallery structure.
FIG. 2 is a schematic view of a fireproof and heat-insulating laminated slab.
Fig. 3 is a schematic structural diagram of the fireproof and heat-insulating composite slab and the cabin body of the pipe gallery.
FIG. 4 is a schematic view of the connection between the fireproof and heat-insulating composite slab III and the cabin body of the pipe gallery.
FIG. 5 is a front view of the fireproof and heat-insulating composite slab III connected with the cabin of the pipe gallery.
Fig. 6 is a schematic structural view of the second fireproof and heat-insulating laminated slab and the cabin body of the pipe gallery.
FIG. 7 is a schematic view of the second fireproof and heat-insulating laminated slab connected with the cabin of the pipe gallery.
FIG. 8 is a front view of the second fireproof and heat-insulating composite slab connected with the cabin of the pipe gallery.
FIG. 9 is a schematic structural view of a first fireproof and heat-insulating laminated slab and a cabin body of a pipe gallery.
FIG. 10 is a schematic view of the connection of the first fireproof and heat-insulating laminated slab with the cabin of the pipe gallery.
FIG. 11 is a front view of two longitudinally adjacent fire-resistant and heat-insulating laminated slabs.
FIG. 12 is a top view of three longitudinally adjacent fire protection and insulation composite panels.
Fig. 13 is a schematic view of a mounting hanger structure.
Fig. 14 is a schematic view of the fire retardant rubber layer with the fire retardant plate in contact with the cavity of the cabin of the pipe gallery.
Fig. 15 is a schematic view of the structure of the plate-to-plate connector.
Fig. 16 is a schematic view of the structure of the connector on the board.
In the figure, 1 is a pipe gallery cabin body; 2 is a fireproof heat-insulation laminated slab; 2-1 is a fireproof heat-insulation laminated slab I; 2-2 is a fireproof heat-insulation laminated slab II; 2-3 is a fireproof heat-insulation laminated slab III; 2-3-1 is a fireproof rubber layer; 2-3-2 is expanded vermiculite layer; 2-3-3 is a glass fiber layer; 3 is a connecting piece between plates; 4, a special backing plate I; 5 is an installation hanging rack; 5-1 is a mounting bolt; 5-2 is a hanging rack fixing plate; 5-3 is a fixing frame; 5-4 is a nut; 6 is a plate connecting piece; 7 is a concave groove; and 8 is a special backing plate II.
Detailed Description
For further explanation of the present invention, the following detailed description of the present invention is provided with reference to the drawings and examples, which should not be construed as limiting the scope of the present invention.
Example (b): as shown in fig. 1-16, a hanging type fire protection system for an underground rectangular comprehensive pipe gallery structure comprises a pipe gallery cabin body 1, a fire protection and heat insulation laminated slab 2, an inter-slab connecting piece 3, a special backing plate I4, an installation hanger 5, an on-slab connecting piece 6, a concave groove 7 and a special backing plate II 8;
a plurality of mounting hangers 5 are uniformly arranged along the inner wall of the cabin body of the pipe gallery cabin body 1;
the fireproof heat-insulation laminated slab 2 is composed of four layers of fireproof materials, a plurality of through holes are uniformly formed in each layer of fireproof material, the inter-slab connecting pieces 3 are uniformly arranged on the fireproof heat-insulation laminated slab 2, and the end parts of two end plates of the inter-slab connecting pieces 3 are bent inwards and horizontally to fix 4 layers of fireproof materials together;
the fireproof heat-insulation laminated slabs 2 on the same side in the pipe gallery cabin body 1 are connected through on-board connecting pieces 6 arranged on boards;
the fireproof heat-insulation laminated slab 2 is divided into a fireproof heat-insulation laminated slab I2-1, a fireproof heat-insulation laminated slab II 2-2 and a fireproof heat-insulation laminated slab III 2-3;
the fireproof heat-insulation laminated slab 2 is uniformly provided with concave grooves 7 in the longitudinal direction; a specially-made backing plate II 8 is arranged on the concave grooves 7 of the first fireproof heat-insulation laminated slab 2-1 and the second fireproof heat-insulation laminated slab 2-2, and a specially-made backing plate I4 is arranged on the concave grooves 7 of the third fireproof heat-insulation laminated slab 2-3;
the installation hanging rack 5 penetrates through a hanging rack hole reserved in the pipe gallery cabin body 1 to connect the fireproof heat-insulation laminated slab I2-1 and the special base plate II 8 with an upper top plate of the cabin body inner wall of the pipe gallery cabin body 1; the installation hanging rack 5 penetrates through a hanging rack hole reserved in the pipe gallery cabin body 1 to connect the fireproof heat-insulation laminated slab III 2-3 and the special backing plate I4 with the left side wall and the right side wall of the cabin body inner wall of the pipe gallery cabin body 1, and the installation hanging rack 5 penetrates through a hanging rack hole reserved in the pipe gallery cabin body 1 to connect the fireproof heat-insulation laminated slab II 2-2 and the special backing plate II 8 with the shoulder of the pipe gallery.
In the four layers of fireproof materials, the first layer and the fourth layer are fireproof rubber layers 2-3-1, the second layer is an expanded vermiculite layer 2-3-2, and the third layer is a glass fiber layer 2-3-3, wherein the second expanded vermiculite layer 2-3-2 is a mixture of expanded vermiculite, water glass and silicon phosphate.
The fire-proof rubber layer with concave groove 7 one side contacts with 1 cavity pocket of the pipe gallery cabin body, and the fire-proof rubber layer without concave groove 7 one side contacts with 1 inner wall of the pipe gallery cabin body.
The special base plate I4 is close to the side face of the inner wall of the cabin body of the pipe gallery cabin body 1, and inverted triangular saw teeth are prefabricated.
The mounting hanger 5 consists of four parts, namely a mounting bolt 5-1, a hanger fixing plate 5-2, a fixing frame 5-3 and a nut 5-4, wherein the fixing frame 5-3 and the hanger fixing plate 5-2 are prefabricated together, and the mounting bolt 5-1 fixes the hanger fixing plate 5-2 on the inner wall of a pipe gallery at the inner side of the fireproof heat-insulation laminated slab 2; the tail part of the fixing frame 5-3 is prefabricated with a thread matched with the nut 5-4.
The glass fiber layer 2-3-3 is made of two or more than two materials of carbon fiber net, glass fiber net and basalt fiber net.
The length and width dimensions of the first special backing plate 4 and the second special backing plate 8 are the same as those of the concave groove 7 reserved on the fireproof heat-insulation laminated slab 2, and the height of the first special backing plate and the second special backing plate is larger than that of the concave groove 7.
The mounting rack 5 is used in the sequence as follows:
1) the mounting bolts 5-1 fix the rack fixing plate 5-2 on the inner wall of the pipe gallery;
2) the fireproof heat-insulation laminated slab 2 is hung outside the hanger fixing plate 5-2, and the fixing frame 5-3 penetrates through a bolt hole reserved in the fireproof heat-insulation laminated slab 2;
3) a special backing plate I4 or a special backing plate II 8 is laid in a reserved concave groove 7 on the fireproof heat-insulation laminated slab 2;
4) the fireproof heat-insulation laminated slab 2 and the inner wall of the pipe gallery are fixed together through bolt connection.
The three fireproof heat-insulation laminated slabs 2-3 and the pipe gallery cabin body 1 are connected in sequence:
a) the fixing frame 5-3 fixed on the pipe gallery cabin body 1 penetrates through a hanging frame hole reserved on the fireproof heat-insulation laminated slab III 2-3 to hang the fireproof heat-insulation laminated slab III 2-3 outside the pipe gallery cabin body 1; b) a special backing plate I4 is placed in a concave groove 7 reserved on the outermost fireproof rubber layer, and the special backing plate I4 is externally hung on the outer layer of the fireproof heat-insulation laminated slab III 2-3 by a fixing frame 5-3;
c) and finally, fixing 2-3 parts of the fireproof heat-insulation laminated slab and 5-3 parts of a special backing plate I4 fixing frame together by using 5-5 parts of nuts.
The connection method of the fireproof heat-insulation laminated slab I2-1, the fireproof heat-insulation laminated slab II 2-2 and the fireproof heat-insulation laminated slab III 2-3 and the pipe gallery cabin body 1 is the same.
The glass fiber layer is synthesized by a glass fiber material and a high-heat-resistance composite material, and does not contain asbestos components harmful to human bodies. Better heat resistance and moisture resistance, and good processability.
The expanded vermiculite is of a layered porous structure, has the advantages of low volume weight, no toxicity, high temperature resistance, low heat conductivity coefficient, difficult combustion, sound insulation, stable chemical property and the like, and is an ideal fire-resistant heat-insulating material.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A hanging type fire protection system for an underground rectangular comprehensive pipe gallery structure comprises a pipe gallery cabin body (1), a fire protection and heat insulation laminated slab (2), an inter-slab connecting piece (3), a special backing plate I (4), an installation hanging frame (5), an on-slab connecting piece (6), a concave groove (7) and a special backing plate II (8);
the method is characterized in that: a plurality of mounting hangers (5) are uniformly arranged along the inner wall of the cabin body of the pipe gallery cabin body (1);
the fireproof heat-insulation laminated slab (2) is composed of four layers of fireproof materials, a plurality of through holes are uniformly formed in each layer of fireproof material, the inter-slab connecting pieces (3) are uniformly arranged on the fireproof heat-insulation laminated slab (2), the end parts of two end plates of the inter-slab connecting pieces (3) are inwards and horizontally bent, and 4 layers of fireproof materials are fixed together;
the fireproof heat-insulation laminated slabs (2) on the same side in the pipe gallery cabin body (1) are connected through on-board connecting pieces (6) arranged on the boards;
the fireproof heat-insulation laminated slab (2) is divided into a fireproof heat-insulation laminated slab I (2-1), a fireproof heat-insulation laminated slab II (2-2) and a fireproof heat-insulation laminated slab III (2-3);
the fireproof heat-insulation laminated slab (2) is uniformly provided with concave grooves (7) in the longitudinal direction; a specially-made backing plate II (8) is arranged on the concave grooves (7) of the fireproof heat-insulation laminated slab I (2-1) and the fireproof heat-insulation laminated slab II (2-2), and a specially-made backing plate I (4) is arranged on the concave groove (7) of the fireproof heat-insulation laminated slab III (2-3);
the installation hanging rack (5) penetrates through a hanging rack hole reserved in the pipe gallery cabin body (1) to connect the fireproof heat-insulation laminated slab I (2-1) and the special base plate II (8) with an upper top plate of the inner wall of the cabin body of the pipe gallery cabin body (1); the installation hanging rack (5) penetrates through a hanging rack hole reserved in the pipe gallery cabin body (1) to connect the fireproof heat-insulation laminated slab III (2-3) and the special backing plate I (4) with the left side wall and the right side wall of the inner wall of the cabin body of the pipe gallery cabin body (1), and the installation hanging rack (5) penetrates through a hanging rack hole reserved in the pipe gallery cabin body (1) to connect the fireproof heat-insulation laminated slab II (2-2) and the special backing plate II (8) with the shoulder of the pipe gallery.
2. The suspended fire protection system of an underground rectangular utility tunnel structure of claim 1, wherein: in the four layers of fireproof materials, the first layer and the fourth layer are fireproof rubber layers (2-3-1), the second layer is an expanded vermiculite layer (2-3-2), the third layer is a glass fiber layer (2-3-3), and the second expanded vermiculite layer (2-3-2) is a mixture of expanded vermiculite, water glass and silicon phosphate.
3. The suspended fire protection system of an underground rectangular comprehensive pipe rack structure according to claim 2, characterized in that: the fireproof rubber layer (2-3-1) at one side with the concave groove (7) is in contact with the cavity of the pipe gallery cabin body (1), and the fireproof rubber layer (2-3-1) at the side without the concave groove (7) is in contact with the inner wall of the pipe gallery cabin body (1).
4. The suspended fire protection system of an underground rectangular utility tunnel structure of claim 1, wherein: the special base plate I (4) is close to the side face of the inner wall of the cabin body of the pipe gallery cabin body (1) and is prefabricated with inverted triangular saw teeth.
5. The suspended fire protection system of an underground rectangular utility tunnel structure of claim 1, wherein: the mounting hanger (5) consists of four parts, namely a mounting bolt (5-1), a hanger fixing plate (5-2), a fixing frame (5-3) and a nut (5-4), the fixing frame (5-3) and the hanger fixing plate (5-2) are prefabricated together, and the mounting bolt (5-1) fixes the hanger fixing plate (5-2) on the inner wall of a pipe gallery at the inner side of the fireproof heat-insulation laminated slab (2); the tail part of the fixed frame (5-3) is prefabricated with a thread matched with the nut (5-4).
6. The suspended fire protection system of an underground rectangular utility tunnel structure of claim 1, wherein: the glass fiber layer (2-3-3) is made of two or more than two materials of carbon fiber net, glass fiber net and basalt fiber net.
7. The suspended fire protection system of an underground rectangular utility tunnel structure of claim 1, wherein: the length and width dimensions of the special backing plate I (4) and the special backing plate II (8) are the same as those of the concave groove (7) reserved on the fireproof heat-insulation laminated slab (2), and the height of the special backing plate I and the length and width dimensions of the concave groove (7) are greater than that of the concave groove (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920893226.7U CN210712930U (en) | 2019-06-14 | 2019-06-14 | Underground rectangular comprehensive pipe gallery structure hanging type fireproof system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920893226.7U CN210712930U (en) | 2019-06-14 | 2019-06-14 | Underground rectangular comprehensive pipe gallery structure hanging type fireproof system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210712930U true CN210712930U (en) | 2020-06-09 |
Family
ID=70966035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920893226.7U Expired - Fee Related CN210712930U (en) | 2019-06-14 | 2019-06-14 | Underground rectangular comprehensive pipe gallery structure hanging type fireproof system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210712930U (en) |
-
2019
- 2019-06-14 CN CN201920893226.7U patent/CN210712930U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200609 Termination date: 20210614 |