CN210644893U - Outer hanging fire protection system of city underground space structure - Google Patents
Outer hanging fire protection system of city underground space structure Download PDFInfo
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- CN210644893U CN210644893U CN201920893057.7U CN201920893057U CN210644893U CN 210644893 U CN210644893 U CN 210644893U CN 201920893057 U CN201920893057 U CN 201920893057U CN 210644893 U CN210644893 U CN 210644893U
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Abstract
The utility model provides an outer hanging fire protection system of city underground space structure belongs to the underground works disaster prevention field. The outer hanging type fireproof layer consists of two layers of fireproof and heat-insulating materials; the installation hanging frame is installed on a building wall body through a wall body fixing plate by adopting an installation bolt, the upper side and the lower side of the installation hanging frame are respectively provided with an externally-hung type fireproof layer, an air heat-insulation partition layer is arranged between the externally-hung type fireproof layer and the building wall body, and a pipeline support can be installed in the air heat-insulation partition layer and used for lapping communication ventilation pipelines; 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 reduction conflagration is to the damage of city underground space building wall body, makes the fire prevention disaster prevention performance show the promotion, can reach pipeline such as effectual protection city underground space building communication, ventilation and guarantee that the communication ventilates normally, casualties and economic loss when the conflagration takes place for effectual reduction underground structure again.
Description
Technical Field
The utility model relates to an underground works disaster prevention field, concretely relates to outer hanging fire protection system of city underground space structure.
Background
Along with the development of urban construction, a large number of urban underground space buildings are being constructed, and when the urban underground space buildings are more and more applied and bring convenience to the life of people, the fire disasters of the urban underground space buildings also frequently occur all over the world, and besides causing great damage to infrastructure, the urban underground space building fires also cause serious casualties and great property loss to the local. Due to the limited escape conditions of the urban underground space building and the special situations that firefighters are difficult to rescue when entering the urban underground space building in fire, the urban underground space building design is required to adopt more systematic safety measures.
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
The utility model discloses a solve above-mentioned technical problem, provide an outer hanging fire protection system of city underground space structure.
The utility model adopts the technical scheme as follows:
an external-hanging type fireproof system of an urban underground space structure comprises an external-hanging type fireproof layer, an installation hanging frame, a pipeline support, a damping rubber mat, a bottom plate connecting frame, an air heat-insulation partition layer and a communication ventilation pipeline; the external-hanging type fireproof layer comprises a coal gangue hollow brick layer and a rock wool slab layer which are connected with each other, the upper end and the lower end of the external-hanging type fireproof layer are connected with a building bottom plate through bottom plate connecting frames, and the rock wool slab layer of the external-hanging type fireproof layer is connected with a building wall through mounting frames; a layer of damping rubber cushion is arranged at the joint of the rock wool slab layer and the mounting rack; an air heat-insulation partition layer is arranged between the external-hanging fireproof layer and the building wall body, and a pipeline support is arranged in the air heat-insulation partition layer and used for lapping communication ventilation pipelines.
Furthermore, the coal gangue hollow brick layer is formed by splicing a coal gangue hollow brick I and a coal gangue hollow brick II; the coal gangue hollow brick comprises a first clamping plate, a first clamping groove, a first brick body cavity, a brick body and a circular hole, wherein the first brick body cavity is prefabricated in the middle of the brick body; the second coal gangue hollow brick comprises a second clamping plate, a second clamping groove and a second brick body cavity, the second brick body cavity is prefabricated in the middle of the second coal gangue hollow brick, the second clamping plate is prefabricated on the upper portion and the lower portion of one side, connected with the rock wool slab, of the second coal gangue hollow brick, the second clamping groove is prefabricated in the middle of one side, connected with the rock wool slab, of the second coal gangue hollow brick, the second clamping plate on the second coal gangue hollow brick is identical to the first clamping plate on the first coal gangue hollow brick in size and shape, and the second clamping groove on the second coal gangue hollow brick is identical to the first clamping groove on the.
Furthermore, the rock wool slab layer comprises a slab surface connecting groove, a slab edge connecting groove, a bulge and a slab edge bulge, the slab surface connecting groove and the bulge are arranged at intervals, the width of the slab surface connecting groove is twice of that of the first clamping plate, and the width of the bulge is the same as that of the first clamping groove and is matched with that of the first clamping groove; the both ends on rock wool board layer set up the flange arch, and the flange spread groove is seted up to one side that the flange arch is close to the gangue hollow brick layer, and the flange spread groove is used for being connected with the installation stores pylon, and the flange spread groove of two rock wool board layers forms a flange concatenation groove after being connected with the outer cardboard of installation stores pylon, flange concatenation groove and the middle protruding part phase-match on the brick body.
Furthermore, the mounting hanger comprises a mounting bolt, a fixing plate, a hanger main body, an inner clamping plate, an outer clamping plate and a connecting groove; mounting the mounting rack on a building wall by penetrating a mounting bolt through a through hole reserved in a fixing plate, prefabricating the lower part of the fixing plate and one end of a rack main body together, prefabricating outer clamping plates at the upper part and the lower part of the other end of the rack main body respectively, prefabricating an inner clamping plate at the upper part and the lower part of the rack main body between the fixing plate and the outer clamping plates respectively, enclosing the inner clamping plate, the outer clamping plates and the rack main body into an upper connecting groove and a lower connecting groove, matching the connecting grooves with plate edge bulges at two ends of a rock wool board layer, wherein the width of each connecting groove is larger than that; when the mounting hanger is connected with the rock wool slab, the slab edge bulge of the rock wool slab is inserted into the connecting groove, the outer clamping plate is inserted into the slab edge connecting groove, and the inner clamping plate is clamped at the outer side of the slab edge bulge; the air heat preservation partition layer is cut off to the stores pylon main part between fixed plate and the interior cardboard.
Further, the pipeline bracket comprises a fixing bolt, a bracket fixing plate, a bracket, a connecting bolt, a bracket fixing groove and a fixing groove side rib; a bracket fixing groove is prefabricated in the middle of one side, close to the rock wool slab layer, of the bracket fixing plate, and a pipeline bracket is installed on the building wall body by a fixing bolt penetrating through a reserved bolt hole in the bracket fixing groove; and the connecting bolt penetrates through reserved bolt holes in the fixed groove side ribs on the left side and the right side of the bracket fixed groove to fix the bracket on the bracket fixed plate.
Furthermore, the bottom plate connecting frame consists of a first connecting frame and a second connecting frame; when the first connecting frame and the second connecting frame are connected, a bottom plate connecting groove is formed, and a damping rubber pad is arranged in the bottom plate connecting groove; the first connecting frame and the second connecting frame are fixed on the building bottom plate through fixing bolts, and the externally-hung fireproof layer is fixed in a bottom plate connecting groove.
Further, the structure of the inner clamping plate is the same as that of the outer clamping plate.
Furthermore, the width of the hanger main body is-times of the width of the pipeline support, the hanger main body cuts off an air heat-insulation partition layer on the inner side of the externally-hung fireproof layer to form a small partition layer sub-cavity, and heated air is prevented from generating a convection phenomenon in case of fire.
Further, the rock wool slab is a slab made of rock wool.
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 city underground space building wall body, can reach pipeline such as effectual protection city underground space building communication, ventilation and guarantee that the communication ventilates normally, casualties and economic loss when the conflagration takes place for effectual reduction underground structure again. The brick making by using the coal gangue not only saves land, but also consumes mine waste and protects the ecological environment. The coal gangue sintered hollow building block has lower production cost than common clay bricks, has better heat insulation performance than the traditional wall materials due to higher porosity, saves land when used for making bricks, consumes mine waste materials, and is a low-carbon building material which is beneficial to environmental protection.
Drawings
Fig. 1 is a schematic view of an external fire protection system for an underground space structure of a city.
FIG. 2 is a schematic structural diagram of a coal gangue hollow brick.
FIG. 3 is a schematic structural diagram of a coal gangue hollow brick II.
Fig. 4 is a schematic diagram of a rock wool slab structure.
Fig. 5 is a schematic view of a mounting hanger structure.
FIG. 6 is a front view of the mounting hanger configuration.
FIG. 7 is a schematic diagram of a pipeline support structure.
FIG. 8 is a front view of a pipeline support structure.
FIG. 9 is a front view of the connecting frame of the base plate
FIG. 10 is a schematic view of the connection of the coal gangue hollow brick layer and the rock wool slab layer with the mounting hanger.
Fig. 11 is a schematic view of the connection between the external fire-proof layer and the building wall.
In the figure: 1 is a coal gangue hollow brick layer; 1-1 is a coal gangue hollow brick I; 1-1-1 is a first clamping plate; 1-1-2 is a first clamping groove; 1-1-3 is a first brick cavity; 1-1-4 is a brick body; 1-1-5 are round holes; 1-2 are coal gangue hollow bricks II; 1-2-1 is a second clamping plate; 1-2-2 is a second clamping groove; 1-2-3 is a brick cavity II; 2 is a rock wool slab; 2-1 is a board connecting groove; 2-2 is a plate edge connecting groove; 2-3 are plate edge splicing grooves; 2-4 are bulges; 2-5 is a plate edge bulge; 3, mounting a hanging rack; 3-1 is a mounting bolt; 3-2 is a fixing plate; 3-3 is a hanging rack main body; 3-4 is an inner clamping plate; 3-5 is an outer clamping plate; 3-6 are connecting grooves; 4 is a pipeline bracket; 4-1 is a fixing bolt; 4-2 is a bracket fixing plate; 4-3 is a bracket; 4-4 are connecting bolts; 4-5 are support fixing grooves; 4-6 are fixed groove side ribs; 5, building wall; 6 is a shock-absorbing rubber cushion; 7 is a bottom plate connecting frame; 7-1 is a first connecting frame; 7-2 is a second connecting frame; 7-3 is a bottom plate connecting groove; 8 is an air heat-insulating partition layer; 9 is a communication ventilation pipeline; and 10 is a building bottom plate.
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 figure 1, the externally-hung fire protection system for the urban underground space structure comprises an externally-hung fire protection layer, an installation hanging frame 3, a pipeline support 4, a damping rubber pad 6, a bottom plate connecting frame 7, an air heat insulation partition layer 8 and a communication ventilation pipeline 9.
As shown in fig. 2 and 3, the externally-hung fireproof layer is composed of two layers of fireproof and heat-insulating materials, namely a coal gangue hollow brick layer 1 and a rock wool slab layer 2, wherein the coal gangue hollow brick layer 1 is formed by splicing a coal gangue hollow brick I1-1 and a coal gangue hollow brick II 1-2; the coal gangue hollow brick 1-1 consists of five parts, namely a clamping plate I1-1-1, a clamping groove I1-1-2, a brick body cavity I1-1-3, a brick body 1-1-4 and a circular hole 1-1-5, wherein the brick body cavity I1-1-3 and the circular hole 1-1-5 are prefabricated in the brick body 1-1-4, and the clamping plate I1-1-1 and the clamping groove I1-1-2 are prefabricated on the surface of the brick body 1-1-4; a snap plate II 1-2-1 and a clamping groove II 1-2-2 which have the same size and shape as the coal gangue hollow brick I1-1 are also prefabricated on the coal gangue hollow brick II 1-2, and a brick body cavity II 1-2-3 is prefabricated inside the coal gangue hollow brick II 1-2.
As shown in figure 4, a plate surface connecting groove 2-1 and a plate edge connecting groove 2-2 are prefabricated on a rock wool plate layer 2, plate edge protrusions 2-5 are arranged at two ends of the rock wool plate layer 2, the plate edge protrusions 2-5 are prefabricated on one side, close to a coal gangue hollow brick layer 1, of the plate surface connecting groove 2-4, the width of the plate surface connecting groove 2-1 is 2 times of the width of a clamping plate 1-1-1, and the width of the protrusions 2-4 is the same as that of clamping grooves 1-1-2 and matched with the clamping grooves 1-1-2.
As shown in fig. 10, when the coal gangue hollow brick layer 1 is connected with the rock wool slab layer 2, the first clamping plate 1-1-1 and the second clamping plate 1-2-1 on the two adjacent coal gangue hollow bricks 1-2 are inserted into the plate connecting groove 2-1 on the rock wool slab layer 2, and the protrusions 2-4 prefabricated on the rock wool slab layer 2 are respectively inserted into the first clamping groove 1-1-2 and the second clamping groove 1-2-2 prefabricated on the two adjacent coal gangue hollow bricks 1-1 and the second coal gangue hollow bricks 1-2.
As shown in fig. 5 and 6, the rock wool slab 2 is connected with the building wall 5 through the mounting hanger 3; the mounting hanger 3 consists of six parts, namely a mounting bolt 3-1, a fixing plate 3-2, a hanger main body 3-3, an inner clamping plate 3-4, an outer clamping plate 3-5 and a connecting groove 3-6; the inner clamping plate 3-4 and the outer clamping plate 3-5 have the same structure; the distance from the fixed plate 3-2 to the inner clamping plate 3-4 is 1-2 times of the length of the pipeline bracket 4; installing a hanging rack 3 on a building wall body 5 through a fixing plate 3-2 by adopting an installing bolt 3-1, wherein the fixing plate 3-2 of the installing hanging rack 3 is positioned at the inner side of a rock wool slab layer 2 installed at the back, the fixing plate 3-2 is prefabricated with a hanging rack main body 3-3, one part of the hanging rack main body 3-3 of the installing hanging rack 3 is installed in a matching way with a slab edge connecting groove 2-2 on the rock wool slab layer 2, the other part of the hanging rack main body 3-3 cuts off an air heat preservation isolating layer 8, an inner clamping plate 3-4 and an outer clamping plate 3-5 are prefabricated on the hanging rack main body 3-3, the inner clamping plate 3-4, the outer clamping plate 3-5 and the hanging rack main body 3-3 enclose a connecting groove 3-6, the width of the connecting groove 3-6 is slightly larger than the, a layer of shock absorption rubber cushion 6 is arranged in the connecting groove 3-6.
As shown in fig. 10, when the mounting hanger 3 is connected with the rock wool slab 2, the slab edge protrusions 2-5 of the rock wool slab 2 are clamped in the slab inner connecting grooves 3-6 with the shock absorption rubber pads 6, and the hanger outer clamping plates 3-5 are mounted in the matched slab edge connecting grooves 2-2; rock wool board layer 2 is connected with installation stores pylon 3 with the installation order from the top down, and downside rock wool board layer 2 is earlier than the installation stores pylon 3 installation, and upside rock wool board layer 2 is back in the installation stores pylon 3 installation.
As shown in fig. 10, when the rock wool slab 2 and the coal gangue hollow brick layer 1 are connected with the mounting rack 3, the rock wool slab 2 is connected with the mounting rack 3 first, and then is connected with the coal gangue hollow brick layer 1; wherein, the plate edge connecting groove 2-2 of the upper rock wool plate layer 2 and the lower rock wool plate layer 2 is connected with the outer clamping plate 3-5 to form a plate edge splicing groove 2-3, and the convex part in the middle of the brick body 1-1-4 is inserted into the plate edge splicing groove 2-3.
An air heat-insulation partition layer 8 is arranged between the externally-hung fireproof layer and the building wall body 5, a pipeline support 4 can be arranged in the air heat-insulation partition layer 8 and used for lapping a communication ventilation pipeline 9, and the communication ventilation pipeline 9 can be arranged on the pipeline support 4 in the air heat-insulation partition layer 8 in a classified and partitioned manner; the air heat-insulating partition layer 8 on the inner side of the externally-hung fire-proof layer is cut off by the hanger main body 3-3 to form a small partition layer sub-cavity, so that the convection phenomenon of heated air in fire is prevented.
As shown in fig. 7 and 8, the pipeline bracket 4 is composed of six parts, namely a fixing bolt 4-1, a bracket fixing plate 4-2, a bracket 4-3, a connecting bolt 4-4, a bracket fixing groove 4-5 and a fixing groove side rib 4-6; a bracket fixing groove 4-5 is prefabricated on a bracket fixing plate 4-2, a pipeline bracket 4 is installed on a building wall 5 by a fixing bolt 4-1 penetrating through a reserved bolt hole in the bracket fixing groove 4-5, and the fixing bolt 4-1 is also fixed in the bracket fixing groove 4-5; the connecting bolt 4-4 passes through the reserved bolt holes on the left and right side fixing groove side ribs 4-6 of the bracket fixing groove 4-5 to fix the bracket 4-3 on the bracket fixing plate 4-2.
As shown in fig. 9 and 11, the externally hung fireproof layer is connected with the building bottom plate 10 through the bottom plate connecting frame 7; the bottom plate connecting frame 7 consists of a first connecting frame 7-1 and a second connecting frame 7-2; when the first connecting frame 7-1 and the second connecting frame 7-2 are connected, a bottom plate connecting groove 7-3 is spliced, the first connecting frame 7-1 and the second connecting frame 7-2 are fixed on a building bottom plate 10 through fixing bolts, and the externally-hung fire-proof layer is fixed in the bottom plate connecting groove 7-3 where the shock-absorbing rubber mat 6 is arranged.
The rock wool board layer 2 is a board layer made of rock wool, the rock wool board layer 2 gives full play to the unique performance of the rock wool core material, has excellent fireproof, heat preservation and sound absorption performances, has a lower heat conductivity coefficient, has remarkable effects in the aspects of fire prevention, heat preservation, heat insulation, sound absorption, sound insulation and the like, and further achieves the aims of high quality, high efficiency, reliability and safety.
Claims (9)
1. The utility model provides an outer hanging fire protection system of city underground space structure which characterized in that: comprises an externally-hung fireproof layer, an installation hanging frame (3), a pipeline bracket (4), a damping rubber cushion (6), a bottom plate connecting frame (7), an air heat-insulating partition layer (8) and a communication ventilation pipeline (9); the externally-hung fireproof layer comprises a coal gangue hollow brick layer (1) and a rock wool slab layer (2) which are connected with each other, the upper end and the lower end of the externally-hung fireproof layer are connected with a building bottom plate (10) through bottom plate connecting frames (7), and the rock wool slab layer (2) of the externally-hung fireproof layer is connected with a building wall body (5) through mounting frames (3); a layer of damping rubber mat (6) is arranged at the joint of the rock wool slab layer (2) and the mounting rack (3); an air heat-insulation partition layer (8) is arranged between the external-hanging fireproof layer and the building wall body (5), and a pipeline support (4) is arranged in the air heat-insulation partition layer (8) and used for lapping communication ventilation pipelines (9).
2. The externally-hung fire protection system for the urban underground space structure as claimed in claim 1, wherein: the coal gangue hollow brick layer (1) is formed by splicing a coal gangue hollow brick I (1-1) and a coal gangue hollow brick II (1-2);
the coal gangue hollow brick I (1-1) comprises a clamping plate I (1-1-1), a clamping groove I (1-1-2) and a brick cavity I (1-1-3), the brick comprises a brick body (1-1-4) and circular holes (1-1-5), a brick body cavity I (1-1-3) is prefabricated in the middle of the brick body (1-1-4), a plurality of circular holes (1-1-5) are prefabricated in the upper side and the lower side of the brick body (1-1-4), a clamping plate I (1-1-1) is respectively prefabricated in the upper part and the lower part of one side, connected with a rock wool slab (2), of the brick body (1-1-4), and a clamping groove I (1-1-2) is prefabricated next to the clamping plate I (1-1-1) on one side, connected with the rock wool slab (2), of the brick body (1-1-4);
the coal gangue hollow brick II (1-2) comprises a clamping plate II (1-2-1), a clamping groove II (1-2-2) and a brick body cavity II (1-2-3), the brick body cavity II (1-2-3) is prefabricated in the middle of the coal gangue hollow brick II (1-2), the clamping plate II (1-2-1) is prefabricated on the upper and lower parts of one side, connected with the rock wool slab layer (2), of the coal gangue hollow brick II (1-2), the clamping groove II (1-2-2) is prefabricated in the middle of one side, connected with the rock wool slab layer (2), of the coal gangue hollow brick II (1-2),
the size and the shape of a clamping plate II (1-2-1) on the coal gangue hollow brick II (1-2) are the same as those of a clamping plate I (1-1-1) on the coal gangue hollow brick I (1-1), and the size and the shape of a clamping groove II (1-2-2) on the coal gangue hollow brick II (1-2) are the same as those of a clamping groove I (1-1-2) on the coal gangue hollow brick I (1-1).
3. The externally-hung fire protection system for the urban underground space structure as claimed in claim 1, wherein: the rock wool slab layer (2) comprises a slab surface connecting groove (2-1), a slab edge connecting groove (2-2), a protrusion (2-4) and a slab edge protrusion (2-5), the slab surface connecting groove (2-1) and the protrusion (2-4) are arranged at intervals, the width of the slab surface connecting groove (2-1) is twice that of the clamping plate I (1-1-1), and the width of the protrusion (2-4) is the same as that of the clamping groove I (1-1-2) and matched with the same; plate edge protrusions (2-5) are arranged at two ends of the rock wool plate layer (2), a plate edge connecting groove (2-2) is formed in one side, close to the coal gangue hollow brick layer (1), of the plate edge protrusions (2-5), the plate edge connecting groove (2-2) is used for being connected with the installation hanging rack (3), a plate edge splicing groove (2-3) is formed after the plate edge connecting groove (2-2) of the two rock wool plate layers (2) is connected with an outer clamping plate (3-5) of the installation hanging rack (3), and the plate edge splicing groove (2-3) is matched with a middle protruding portion on the brick body (1-1-4).
4. The externally-hung fire protection system for the urban underground space structure as claimed in claim 1, wherein: the mounting hanger (3) comprises a mounting bolt (3-1), a fixing plate (3-2), a hanger main body (3-3), an inner clamping plate (3-4), an outer clamping plate (3-5) and a connecting groove (3-6); mounting bolts (3-1) penetrate through holes reserved on a fixing plate (3-2) to mount the mounting hanger (3) on a building wall body (5), the lower part of the fixing plate (3-2) is prefabricated with one end of a hanger main body (3-3), the upper part and the lower part of the other end of the hanger main body (3-3) are respectively prefabricated with an outer clamping plate (3-5), the upper part and the lower part of the hanger main body (3-3) between the fixing plate (3-2) and the outer clamping plate (3-5) are respectively prefabricated with an inner clamping plate (3-4), the inner clamping plate (3-4) and the outer clamping plate (3-5) and the hanger main body (3-3) enclose to form an upper connecting groove (3-6) and a lower connecting groove (3-6), and the connecting grooves (3-6) are matched with plate edge bulges (2-5) at, the width of the connecting groove (3-6) is larger than that of the plate edge bulge (2-5), and a layer of shock-absorbing rubber pad (6) is placed in the connecting groove (3-6); when the mounting hanger (3) is connected with the rock wool slab (2), the slab edge bulges (2-5) of the rock wool slab (2) are inserted into the connecting grooves (3-6), the outer clamping plates (3-5) are inserted into the slab edge connecting grooves (2-2), and the inner clamping plates (3-4) are clamped at the outer sides of the slab edge bulges (2-5); the hanger main body (3-3) between the fixed plate (3-2) and the inner clamping plate (3-4) cuts off the air heat insulation partition layer (8).
5. The externally-hung fire protection system for the urban underground space structure as claimed in claim 1, wherein: the pipeline support (4) comprises a fixing bolt (4-1), a support fixing plate (4-2), a support (4-3), a connecting bolt (4-4), a support fixing groove (4-5) and a fixing groove side rib (4-6); a support fixing groove (4-5) is prefabricated in the middle of one side, close to the rock wool slab layer (2), of the support fixing plate (4-2), and a fixing bolt (4-1) penetrates through a reserved bolt hole in the support fixing groove (4-5) to install the pipeline support (4) on the building wall (5); the connecting bolts (4-4) penetrate through reserved bolt holes on the left and right side fixing groove side ribs (4-6) of the support fixing groove (4-5) to fix the support (4-3) on the support fixing plate (4-2).
6. The externally-hung fire protection system for the urban underground space structure as claimed in claim 1, wherein: the bottom plate connecting frame (7) consists of a first connecting frame (7-1) and a second connecting frame (7-2); a bottom plate connecting groove (7-3) is formed when the connecting frame I (7-1) and the connecting frame II (7-2) are connected, and a damping rubber pad (6) is arranged in the bottom plate connecting groove (7-3); the first connecting frame (7-1) and the second connecting frame (7-2) are fixed on a building bottom plate (10) through fixing bolts, and the externally hung fireproof layer is fixed in a bottom plate connecting groove (7-3).
7. The externally-hung fire protection system for the urban underground space structure as claimed in claim 4, wherein: the inner clamping plates (3-4) and the outer clamping plates (3-5) have the same structure.
8. The externally-hung fire protection system for the urban underground space structure as claimed in claim 4, wherein: the width of the hanger main body (3-3) is 1-2 times of the width of the pipeline support (4), and the hanger main body (3-3) cuts off an air heat-insulating partition layer (8) on the inner side of the externally-hung fireproof layer to form a small partition layer sub-cavity, so that the convection phenomenon of heated air in a fire disaster is prevented.
9. The externally-hung fire protection system for the urban underground space structure as claimed in claim 1, wherein: the rock wool slab (2) is a slab made of rock wool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920893057.7U CN210644893U (en) | 2019-06-14 | 2019-06-14 | Outer hanging fire protection system of city underground space structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920893057.7U CN210644893U (en) | 2019-06-14 | 2019-06-14 | Outer hanging fire protection system of city underground space structure |
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| Publication Number | Publication Date |
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| CN210644893U true CN210644893U (en) | 2020-06-02 |
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| CN201920893057.7U Expired - Fee Related CN210644893U (en) | 2019-06-14 | 2019-06-14 | Outer hanging fire protection system of city underground space structure |
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