CN114439533A - Smoke exhaust device installed at subway entrance/exit - Google Patents
Smoke exhaust device installed at subway entrance/exit Download PDFInfo
- Publication number
- CN114439533A CN114439533A CN202011200368.4A CN202011200368A CN114439533A CN 114439533 A CN114439533 A CN 114439533A CN 202011200368 A CN202011200368 A CN 202011200368A CN 114439533 A CN114439533 A CN 114439533A
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- CN
- China
- Prior art keywords
- shell
- door
- fixed
- fan
- shaft part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 239000000779 smoke Substances 0.000 title claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 24
- 239000010959 steel Substances 0.000 claims abstract description 24
- 238000012423 maintenance Methods 0.000 claims abstract description 21
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 241000886569 Cyprogenia stegaria Species 0.000 claims description 17
- 241000237983 Trochidae Species 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 2
- 238000010248 power generation Methods 0.000 claims description 2
- 239000003517 fume Substances 0.000 claims 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/08—Ventilation arrangements in connection with air ducts, e.g. arrangements for mounting ventilators
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/04—Air ducts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/04—Air ducts
- E21F1/06—Duct connections
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/02—Suspension devices for tubes or the like, e.g. for ventilating ducts
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention relates to a smoke exhaust device installed at a subway entrance/exit, which relates to the technical field of smoke exhaust devices.A shaft part is fixed at the upper end and the lower end of one side edge of a first door plate, a second door plate and a third door plate, a matching shaft part is fixed at one side edge of a maintenance opening, the first door plate and the second door plate opposite to the side edge provided with the shaft part, and the matching shaft part and the shaft part are arranged in a mutually communicated manner from top to bottom and are connected in a vertically penetrating manner by a shaft body; a doorway is arranged in the shell positioned at the left side and the right side of the middle space, and a movable door is movably arranged in the middle space at the inner side of the doorway; the movable door consists of a door leaf, an upper sliding rail and a lower sliding rail; the upper slide rail is fixed at the bottom of the section steel support above the upper slide rail, and the lower slide rail is fixed at the upper part of the section steel support below the lower slide rail. The fire-fighting smoke exhaust machine room is suitable for the overlong entrance and exit of urban rail transit, can meet the requirements of fire smoke exhaust and create time functions for fire evacuation, can reduce the floor area of a civil engineering smoke exhaust machine room, and can be customized by combining the shape of the entrance and exit.
Description
Technical Field
The invention relates to the technical field of smoke exhaust devices, in particular to a smoke exhaust device installed at a subway entrance/exit.
Background
At present, the existing smoke exhaust machine room with an overlong entrance and exit consists of a fireproof door, a smoke exhaust fan, a shutter air port, an air valve, fireproof hardware and other accessories, and has certain fireproof performance. However, the ground machine room is single in design, multiple in maintenance space requirements, not easy to maintain and exhaust smoke, large in occupied area and large in land acquisition investment, so that the requirement for fire fighting can be met, the requirement for matching with the appearance of an entrance and an exit is met, the occupied area is small, and the maintenance is convenient.
Disclosure of Invention
The invention aims to provide a reasonably designed smoke exhaust device installed at a subway entrance and exit aiming at the defects and shortcomings of the prior art, which is suitable for an ultra-long entrance and exit of urban rail transit, can meet the requirements of smoke exhaust in fire disasters and create time functions for fire evacuation, can reduce the floor area of a civil smoke exhaust machine room, and can be customized by combining the shape of the entrance and exit.
In order to achieve the purpose, the invention adopts the following technical scheme: the novel wind power generation device comprises a shell, a top shell, a profile steel support, a movable door, a fan assembly, louver blades, a threaded column, an internal threaded pipe and a three-folding door; the top of the shell is connected with a top shell in a run-through manner, the left side wall and the right side wall of the top shell are both provided with windows, a plurality of louver blades are arranged in the windows in parallel up and down, both ends of each louver blade are fixed with threaded columns, the outer ends of the threaded columns are screwed in internal threaded pipes, and the internal threaded pipes are embedded and fixed in the top shell which is the front side wall and the rear side wall of the main window; a plurality of section steel brackets are arranged inside the shell, and the section steel brackets divide the inner space of the shell into an upper space, a middle space and a lower space from top to bottom; maintenance openings are formed in the shells positioned on the left side and the right side of the upper space, three folding doors are movably arranged in the maintenance openings, and each three folding door consists of a first door plate, a second door plate, a third door plate, a shaft part, a matching shaft part and a shaft body; the upper end and the lower end of one side edge of each of the first door plate, the second door plate and the third door plate are respectively fixed with a shaft part, one side edge of the maintenance opening, the first door plate and the second door plate, which are opposite to the side edge provided with the shaft parts, are respectively fixed with a matching shaft part, and the matching shaft parts and the shaft parts are arranged in a vertically through manner and are vertically connected in a through manner by utilizing shaft bodies; a doorway is arranged in the shell positioned at the left side and the right side of the middle space, and a movable door is movably arranged in the middle space at the inner side of the doorway; the movable door consists of a door leaf, an upper sliding rail and a lower sliding rail; the upper slide rail is fixed at the bottom of the section steel support above the upper slide rail, and the lower slide rail is fixed at the upper part of the section steel support below the lower slide rail; two sliding grooves are formed in the front and the back of the upper sliding rail and the lower sliding rail respectively, and a door leaf is arranged in each sliding groove in a sliding manner; a fan assembly is arranged in the middle space; the fan assembly consists of a fan shell, a driving motor, fan blades, a conical body and a fan barrel; the upper end wall and the lower end wall of the fan shell are fixed on the profile steel supports on the upper side and the lower side, an air outlet is formed in the upper end of the fan shell, a fan barrel is fixed at the bottom of the air outlet, a driving motor is fixed in the fan barrel, the output end of the driving motor is arranged downwards and is connected with a fan blade, a conical body with an opening in the upper end is fixed in the fan shell below the fan blade, and the driving motor is externally connected with a power supply; the shell positioned at the left side and the right side of the lower space is provided with a smoke inlet.
Further, the upper end of fan shell be fixed with a plurality of connecting strips, the connecting strip is fixed with the shaped steel leg joint that is located its top.
Furthermore, a locking plate is fixed on a side wall of the third door panel opposite to the side wall provided with the shaft part, a threaded column is movably arranged in a hole in the locking plate in a penetrating mode, the inner end of the threaded column is fixed on a shell positioned on the side wall of the maintenance opening, and a nut is screwed at the outer end of the threaded column.
The working principle of the invention is as follows: the flue gas is vertically arranged on a concrete platform on one side of the back of an inlet and an outlet, a driving motor in a fan assembly is started, the driving motor drives fan blades to rotate, the flue gas enters a shell from a flue gas inlet, and then is discharged from windows on two sides of a top shell; maintenance personnel overhaul the inside fan subassembly through three folding doors or floating gate.
After adopting the structure, the invention has the beneficial effects that: the invention provides a smoke exhaust device installed at a subway entrance, which is suitable for an ultralong entrance of urban rail transit, can meet the requirements of smoke exhaust of fire hazards and create time functions for fire evacuation, can reduce the floor area of a civil smoke exhaust machine room, and can be customized by combining the shape of the entrance.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the housing and the top case of the present invention.
Fig. 3 is a schematic view of the internal structure of the top case of the present invention.
Fig. 4 is a schematic structural view of a fan assembly according to the present invention.
Fig. 5 is a schematic view showing the structure of the sliding door according to the present invention.
Fig. 6 is a schematic structural view of the triple-folding door of the present invention.
Description of reference numerals:
the device comprises a shell 1, an upper space 1-1, a maintenance opening 1-1, a middle space 1-2, a doorway 1-2-1, a lower space 1-3, a smoke inlet 1-3-1, a top shell 2, a window 2-1, a profile steel support 3, a movable door 4, a door leaf 4-1, an upper sliding rail 4-2, a lower sliding rail 4-3, a fan assembly 5, a fan shell 5-1, an air outlet 5-2, a driving motor 5-3, fan blades 5-4, a conical body 5-5, a fan barrel 5-6, a connecting strip 5-7, louver blades 6, a threaded column 7, an internal threaded pipe 8, a three-fold door 9, a first door panel 9-1, a second door panel 9-2, a third door panel 9-3, a shaft 9-4, an adapting shaft 9-5, a connecting shaft 9-5, 9-6 parts of a shaft body, 9-7 parts of a locking plate, 9-8 parts of a threaded column and 9-9 parts of a nut.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
As shown in fig. 1 to fig. 6, the following technical solutions are adopted in the present embodiment: the novel window comprises a shell 1, a top shell 2, a profile steel support 3, a movable door 4, a fan assembly 5, a louver blade 6, a threaded column 7, an internal threaded pipe 8 and a three-folding door 9; the top of the shell 1 is communicated and fixedly welded with a top shell 2, the left side wall and the right side wall of the top shell 2 are respectively provided with a window 2-1, a plurality of louver blades 6 are arranged in the window 2-1 in parallel up and down, both ends of each louver blade 6 are respectively fixedly welded with a threaded column 7, the outer ends of the threaded columns 7 are respectively screwed in an internal threaded pipe 8, and the internal threaded pipes 8 are fixedly embedded in the top shell 2 which is the front side wall and the rear side wall of the main window 2-1; the inner part of the shell 1 is connected with two section steel brackets 3 by screws, and the section steel brackets 3 divide the inner space of the shell 1 into an upper space 1-1, a middle space 1-2 and a lower space 1-3 from top to bottom; maintenance openings 1-1-1 are arranged in the shell 1 positioned at the left side and the right side of the upper space 1-1, a three-folding door 9 is movably arranged in the maintenance openings 1-1-1, and the three-folding door 9 consists of a first door plate 9-1, a second door plate 9-2, a third door plate 9-3, a shaft part 9-4, a matching shaft part 9-5 and a shaft body 9-6; the upper end and the lower end of one side edge of the first door panel 9-1, the upper end and the lower end of the second door panel 9-2 and the upper end and the lower end of the third door panel 9-3 are respectively welded and fixed with a shaft part 9-4, one side edge of the maintenance port 1-1-1, the first door panel 9-1 and the second door panel 9-2 opposite to the side edge provided with the shaft part 9-4 are respectively welded and fixed with a matching shaft part 9-5, the matching shaft part 9-5 and the shaft part 9-4 are mutually communicated and arranged up and down and are connected by utilizing the shaft part 9-6 in a penetrating way, the side wall of the third door panel 9-3 opposite to the side edge provided with the shaft part 9-4 is welded and fixed with a locking plate 9-7, a threaded column 9-8 is movably arranged in an opening in the locking plate 9-7 in a penetrating way, the inner end of the threaded column 9-8 is fixed on the shell 1 positioned on the side wall of the maintenance port 1-1-1, the outer end of the threaded column 9-8 is screwed with a nut 9-9 (used for locking the three-folding door 9); a doorway 1-2-1 is arranged in the shell 1 positioned at the left side and the right side of the middle space 1-2, and a movable door 4 is movably arranged in the middle space 1-2 at the inner side of the doorway 1-2-1; the movable door 4 consists of a door leaf 4-1, an upper sliding rail 4-2 and a lower sliding rail 4-3; the upper slide rail 4-2 is connected and fixed at the bottom of the section steel bracket 3 above the upper slide rail by screws, and the lower slide rail 4-3 is connected and fixed at the upper part of the section steel bracket 3 below the lower slide rail by screws; two sliding grooves are respectively arranged on the front and the back of the upper sliding rail 4-2 and the lower sliding rail 4-3, and a door leaf 4-1 is arranged in the sliding grooves in a sliding manner; a fan assembly 5 is arranged in the middle space 1-2; the fan assembly 5 consists of a fan shell 5-1, a driving motor 5-3, fan blades 5-4, a conical body 5-5 and a fan barrel 5-6; the upper end of a fan shell 5-1 is fixedly welded with four connecting strips 5-7, the connecting strips 5-7 are fixedly welded with a section steel support 3 positioned above the connecting strips, the lower end wall of the fan shell 5-1 is fixedly welded on the section steel support 3 positioned below the fan shell, an air outlet 5-2 is formed in the upper end of the fan shell 5-1, a fan barrel 5-6 is fixedly welded at the bottom of the air outlet 5-2, a driving motor 5-3 is fixedly connected in the fan barrel 5-6 by utilizing a screw, the output end of the driving motor 5-3 is arranged downwards and is connected with a fan blade 5-4, a conical body 5-5 with an opening at the upper end is formed in the fan shell 5-1 positioned below the fan blade 5-4 in an inward bending mode, and the driving motor 5-3 is externally connected with a power supply; the shell 1 positioned at the left side and the right side of the lower space 1-3 is provided with a smoke inlet 1-3-1.
The working principle of the specific embodiment is as follows: the method comprises the following steps of (1) vertically arranging the fan assembly on a concrete platform on one side of the back of an entrance, starting a driving motor 5-3 in the fan assembly 5, driving fan blades 5-4 to rotate, enabling smoke to enter a shell 1 from a smoke inlet 1-3-1, and then discharging the smoke through windows 2-1 on two sides of a top shell 2; the maintenance personnel overhaul the inner fan assembly 5 through the three-folding door 9 or the movable door 4.
After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:
1. the three-folding door is convenient for maintenance personnel to maintain through the three-folding door arranged at the maintenance opening and the movable door arranged at the door opening, and the cigarette can be effectively sucked through the fan component arranged at the middle part;
2. the fire-proof smoke exhaust machine room is suitable for an overlong subway entrance, can meet the requirements of fire smoke exhaust, creates a time function for fire evacuation, can prevent the fire from spreading, can reduce the occupied area of a civil engineering smoke exhaust machine room, is specially customized by combining the entrance model, and is also suitable for occasions with fire-proof and airtight requirements and ground space occasions with tense machine rooms, such as mountain tunnels, submarine tunnels, urban highway traffic tunnels and the like.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (4)
1. The utility model provides an install fume extractor at subway access & exit which characterized in that: the novel wind power generation device comprises a shell (1), a top shell (2), a profile steel support (3), a movable door (4), a fan assembly (5), a louver blade (6), a threaded column (7), an internal threaded pipe (8) and a three-folding door (9); the top of the shell (1) is connected with a top shell (2) in a through mode, the left side wall and the right side wall of the top shell (2) are provided with windows (2-1), a plurality of louver blades (6) are arranged in the windows (2-1) in parallel up and down, both ends of each louver blade (6) are fixed with threaded columns (7), the outer ends of the threaded columns (7) are screwed in internal threaded pipes (8), and the internal threaded pipes (8) are fixedly embedded in the top shell (2) which is the front side wall and the rear side wall of the main window (2-1); a plurality of section steel brackets (3) are arranged inside the shell (1), and the section steel brackets (3) divide the inner space of the shell (1) into an upper space (1-1), a middle space (1-2) and a lower space (1-3) from top to bottom; maintenance openings (1-1-1) are formed in the shell (1) positioned on the left side and the right side of the upper space (1-1), three-folding doors (9) are movably arranged in the maintenance openings (1-1-1), and each three-folding door (9) consists of a first door plate (9-1), a second door plate (9-2), a third door plate (9-3), a shaft part (9-4), a matching shaft part (9-5) and a shaft body (9-6); the upper end and the lower end of one side edge of each of the first door panel (9-1), the second door panel (9-2) and the third door panel (9-3) are respectively fixed with a shaft part (9-4), one side edge of the maintenance port (1-1-1), the first door panel (9-1) and the second door panel (9-2) opposite to the shaft part (9-4) are respectively fixed with a matching shaft part (9-5), the matching shaft parts (9-5) and the shaft parts (9-4) are arranged in a vertically through mode, and the shaft bodies (9-6) are used for being connected in a vertically through mode; a doorway (1-2-1) is arranged in the shell (1) positioned at the left side and the right side of the middle space (1-2), and a movable door (4) is movably arranged in the middle space (1-2) at the inner side of the doorway (1-2-1); the movable door (4) consists of a door leaf (4-1), an upper sliding rail (4-2) and a lower sliding rail (4-3); the upper slide rail (4-2) is fixed at the bottom of the section steel bracket (3) above the upper slide rail, and the lower slide rail (4-3) is fixed at the upper part of the section steel bracket (3) below the lower slide rail; two sliding grooves are respectively arranged on the front and the back of the upper sliding rail (4-2) and the lower sliding rail (4-3), and a door leaf (4-1) is arranged in the sliding grooves in a sliding manner; a fan assembly (5) is arranged in the middle space (1-2); the fan assembly (5) consists of a fan shell (5-1), a driving motor (5-3), fan blades (5-4), a conical body (5-5) and a fan barrel (5-6); the upper end wall and the lower end wall of a fan shell (5-1) are fixed on the profile steel supports (3) on the upper side and the lower side, an air outlet (5-2) is formed in the upper end of the fan shell (5-1), a fan barrel (5-6) is fixed at the bottom of the air outlet (5-2), a driving motor (5-3) is fixed in the fan barrel (5-6), the output end of the driving motor (5-3) faces downwards and is connected with fan blades (5-4), a conical body (5-5) with an opening at the upper end is fixed in the fan shell (5-1) below the fan blades (5-4), and the driving motor (5-3) is externally connected with a power supply; the shell (1) positioned at the left side and the right side of the lower space (1-3) is provided with a smoke inlet (1-3-1).
2. A smoke exhaust device installed at a subway entrance/exit according to claim 1, characterized in that: the upper end of the fan shell (5-1) is fixed with a plurality of connecting strips (5-7), and the connecting strips (5-7) are fixedly connected with the section steel support (3) positioned above the connecting strips.
3. A smoke exhaust device installed at a subway entrance/exit according to claim 1, characterized in that: a side wall of the third door panel (9-3) opposite to the side wall provided with the shaft part (9-4) is fixed with a locking plate (9-7), a threaded column (9-8) is movably arranged in an opening in the locking plate (9-7) in a penetrating mode, the inner end of the threaded column (9-8) is fixed on a shell (1) located on the side wall of the maintenance opening (1-1-1), and the outer end of the threaded column (9-8) is connected with a nut (9-9) in a threaded mode.
4. The fume extractor installed at the subway entrance/exit according to claim 1, wherein: the working principle is as follows: the method comprises the following steps that (1) the concrete platform is vertically arranged on one side of the back of an entrance, a driving motor (5-3) in a fan assembly (5) is started, the driving motor drives fan blades (5-4) to rotate, smoke enters a shell (1) from a smoke inlet (1-3-1), and then is discharged from windows (2-1) on two sides of a top shell (2); and maintenance personnel overhaul the inner fan assembly (5) through the three-folding door (9) or the movable door (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011200368.4A CN114439533B (en) | 2020-11-02 | 2020-11-02 | Install fume extractor at subway access & exit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011200368.4A CN114439533B (en) | 2020-11-02 | 2020-11-02 | Install fume extractor at subway access & exit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114439533A true CN114439533A (en) | 2022-05-06 |
| CN114439533B CN114439533B (en) | 2024-05-28 |
Family
ID=81357354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011200368.4A Active CN114439533B (en) | 2020-11-02 | 2020-11-02 | Install fume extractor at subway access & exit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114439533B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100873201B1 (en) * | 2008-08-19 | 2008-12-10 | 윤관영 | A door having ventilating window |
| JP3176998U (en) * | 2012-05-02 | 2012-07-12 | 株式会社三幸ホームズ | Sliding door device |
| KR101710459B1 (en) * | 2016-05-25 | 2017-02-28 | (주)주성지앤비 | Apparatus for supplying and exhausting air in transverse or semi-transverse tunnels |
| KR20170109472A (en) * | 2016-03-21 | 2017-09-29 | 주식회사 포스코건설 | Evacuation structure of metrorail of deep underground space |
| CN206874285U (en) * | 2017-04-20 | 2018-01-12 | 中国电建集团铁路建设有限公司 | The anti-collapse and water burst safety-door device of shield service channel excavation construction |
| CN111720153A (en) * | 2020-06-10 | 2020-09-29 | 中铁第五勘察设计院集团有限公司 | Tunnel smoke exhaust system |
| CN213574184U (en) * | 2020-11-02 | 2021-06-29 | 中铁第六勘察设计院集团有限公司 | Smoke exhaust device installed at subway entrance/exit |
-
2020
- 2020-11-02 CN CN202011200368.4A patent/CN114439533B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100873201B1 (en) * | 2008-08-19 | 2008-12-10 | 윤관영 | A door having ventilating window |
| JP3176998U (en) * | 2012-05-02 | 2012-07-12 | 株式会社三幸ホームズ | Sliding door device |
| KR20170109472A (en) * | 2016-03-21 | 2017-09-29 | 주식회사 포스코건설 | Evacuation structure of metrorail of deep underground space |
| KR101710459B1 (en) * | 2016-05-25 | 2017-02-28 | (주)주성지앤비 | Apparatus for supplying and exhausting air in transverse or semi-transverse tunnels |
| CN206874285U (en) * | 2017-04-20 | 2018-01-12 | 中国电建集团铁路建设有限公司 | The anti-collapse and water burst safety-door device of shield service channel excavation construction |
| CN111720153A (en) * | 2020-06-10 | 2020-09-29 | 中铁第五勘察设计院集团有限公司 | Tunnel smoke exhaust system |
| CN213574184U (en) * | 2020-11-02 | 2021-06-29 | 中铁第六勘察设计院集团有限公司 | Smoke exhaust device installed at subway entrance/exit |
Non-Patent Citations (1)
| Title |
|---|
| 谢朝军;刘龙涛;: "地铁出入口排烟方案分析", 隧道建设(中英文), no. 1, 23 June 2018 (2018-06-23) * |
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| Publication number | Publication date |
|---|---|
| CN114439533B (en) | 2024-05-28 |
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