CN114592542A - Immersed tube tunnel convenient to evenly discharge fume and personnel flee - Google Patents
Immersed tube tunnel convenient to evenly discharge fume and personnel flee Download PDFInfo
- Publication number
- CN114592542A CN114592542A CN202210260530.4A CN202210260530A CN114592542A CN 114592542 A CN114592542 A CN 114592542A CN 202210260530 A CN202210260530 A CN 202210260530A CN 114592542 A CN114592542 A CN 114592542A
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- China
- Prior art keywords
- smoke
- wall
- escape
- smoke exhaust
- gear
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- 239000003517 fume Substances 0.000 title claims abstract description 10
- 239000000779 smoke Substances 0.000 claims abstract description 238
- 239000002184 metal Substances 0.000 claims description 16
- 239000007921 spray Substances 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 16
- 239000003546 flue gas Substances 0.000 description 16
- 230000007480 spreading Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008093 supporting effect Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 230000001976 improved effect Effects 0.000 description 3
- 230000001939 inductive effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005206 flow analysis Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/063—Tunnels submerged into, or built in, open water
- E02D29/073—Tunnels or shuttering therefor assembled from sections individually sunk onto, or laid on, the water-bed, e.g. in a preformed trench
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/02—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
- A62C3/0221—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires for tunnels
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/14—Fire prevention, containment or extinguishing specially adapted for particular objects or places in connection with doors, windows, ventilators, partitions, or shutters, e.g. automatic closing
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/33—Responding to malfunctions or emergencies to fire, excessive heat or smoke
- F24F11/34—Responding to malfunctions or emergencies to fire, excessive heat or smoke by opening air passages
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
Abstract
The invention relates to a immersed tube tunnel convenient for uniform smoke discharge and personnel escape, wherein an escape channel and a smoke discharge channel are arranged between two lanes, one side of the two lanes, which is close to each other, is provided with a plurality of first smoke discharge ports which are communicated with the smoke discharge channel, the first smoke discharge ports are internally provided with smoke discharge components used for discharging smoke, the inner wall of the bottom of the escape channel is provided with a plurality of groups of moving components used for enabling people suffering from a disaster to quickly escape from a fire scene, the inner wall of one side of the lane, which is close to the escape channel, is provided with a plurality of groups of escape components used for escaping, the inner wall of the top of the lane is equidistantly provided with a plurality of flame detectors, temperature-sensitive fire detectors and jet fans, the smoke discharge channel is longitudinally and rotatably connected with a plurality of groups of symmetrical two rotating shafts, and the inner wall of the top of the smoke discharge channel is equidistantly provided with a plurality of smoke discharge fans; the problem of among the prior art discharge fume volume unbalance lead to the smoke inefficiency, can't make the personnel in disaster escape from current tunnel fast, influence the personnel in the tunnel rescue effect is solved.
Description
Technical Field
The invention belongs to the technical field of tunnel smoke exhaust, and relates to a immersed tube tunnel convenient for uniform smoke exhaust and escape of people.
Background
With the rapid development of the economic society, a large number of underwater immersed tube tunnels emerge, and a centralized smoke exhaust mode is brought forward. In recent years, tunnel fire accidents happen sometimes, serious casualties and property losses are caused, high-temperature toxic smoke generated by tunnel fires is discharged in time, and the method has important significance for guaranteeing tunnel operation safety and people life safety.
The traditional centralized smoke exhaust system is characterized in that a smoke exhaust port near a fire source is completely opened, fresh air is sucked by a large amount of low-temperature and low-concentration smoke entrainment near a fan end and is exhausted from the smoke exhaust port, high-temperature and high-concentration smoke near the fire source cannot be effectively exhausted due to excessive loss along the way and local loss, the smoke exhaust efficiency is greatly reduced, the smoke exhaust effect is poor, the traditional centralized smoke exhaust system only can exhaust smoke, fire details cannot be analyzed according to the temperature, concentration and motion rule of the fire smoke, a rescue scheme cannot be obtained quickly, and people suffering from a disaster cannot escape from a current tunnel quickly in the smoke exhaust process.
Disclosure of Invention
In view of the above, the present invention provides an immersed tunnel which is convenient for uniform smoke discharge and escape of people, and aims to solve the problems in the prior art that the smoke discharge efficiency is low due to unbalanced smoke discharge in the immersed tunnel, people in a disaster cannot rapidly escape from the current tunnel, and the rescue effect of people in the tunnel is affected.
In order to achieve the purpose, the invention provides the following technical scheme:
a immersed tube tunnel convenient for uniform smoke discharge and personnel escape comprises an immersed tube tunnel, two symmetrical traffic lanes are arranged in the immersed tube tunnel, an escape channel and a smoke discharge channel are arranged between the two traffic lanes in the immersed tube tunnel, the escape channel is arranged below the smoke discharge channel, a plurality of first smoke discharge ports are arranged on one side of the two traffic lanes close to each other, the first smoke discharge ports are communicated with the smoke discharge channel, smoke discharge components for uniform smoke discharge are arranged in the first smoke discharge ports, a plurality of groups of moving components for enabling people suffering from a disaster to quickly separate from a fire source are arranged on the inner wall of the bottom of the escape channel, a plurality of groups of escape components for escaping are arranged on the inner wall of one side of the traffic lane close to the escape channel, a plurality of flame detectors and temperature-sensing fire detectors are equidistantly arranged on the inner wall of the top of the traffic lane, a plurality of cameras are fixedly connected on the inner wall of one side of the traffic lane far from the smoke discharge channel at equal intervals, a plurality of groups of symmetrical two rotating shafts are longitudinally and rotatably connected in the smoke exhaust channel, a plurality of wind gathering plates are fixedly connected to the outer wall of each rotating shaft, and a plurality of first smoke exhaust fans are equidistantly distributed on the inner wall of the top of the smoke exhaust channel.
Further, the subassembly of discharging fume is including rotating a plurality of first pivots of connection in first smoke vent, and the fixed cover of outer wall of first pivot is equipped with smoke damper and first gear, and one side inner wall of first smoke vent is equipped with the standing groove, and one side inner wall fixedly connected with driving motor of standing groove, driving motor's output shaft fixedly connected with second gear is connected through soft rack drive between second gear and the first gear, the top inner wall in immersed tube tunnel passes through dead lever fixedly connected with efflux fan, and the efflux fan is corresponding with first smoke vent.
Further, the subassembly of fleing is including setting up the stairwell that is close to escape way one side inner wall in the lane of going, and the stairwell is linked together with the escape way, and the bottom inner wall of stairwell is equipped with the stair of fleing, and the top inner wall of stairwell is equipped with the second exhaust port, and the top inner wall of second exhaust port is equipped with the pipe of discharging fume that is linked together with the exhaust passage, is equipped with second smoke exhausting fan in the second exhaust port.
Further, the removal subassembly is including setting up the rectangular channel at escape channel bottom inner wall, the rectangular channel internal rotation is connected with dwang and second cylinder, the fixed cover of outer wall of dwang is equipped with first cylinder, the outside of first cylinder and second cylinder is passed through staircase conveyer belt transmission and is connected, escape channel's bottom inner wall is equipped with two symmetrical rotating grooves, the bottom of two symmetrical axis of rotation extends to respectively and rotates the inslot and rotate with the bottom inner wall that rotates the groove and be connected, the fixed cover of outer wall of axis of rotation is equipped with the first bevel gear that is located the rotating groove, the both ends of dwang extend to corresponding rotating groove respectively and equal fixedly connected with second bevel gear, and second bevel gear and first bevel gear mesh mutually.
Further, the first metal frame of fixedly connected with in the first exhaust port can protect first pivot and jet fan through first metal frame.
Further, fixedly connected with is located the second metal frame of second smoke exhaust fan below in the second smoke exhaust port, can protect the second smoke exhaust fan through the second metal frame.
Further, the top inner wall fixedly connected with flue gas concentration sensor of first exhaust port, and flue gas concentration sensor are located between smoke damper and the efflux fan, can detect the flue gas concentration that gets into first exhaust port through flue gas concentration sensor.
Further, fixedly connected with runs through the backup pad of staircase conveyer belt in the rectangular channel, and the backup pad internal rotation is connected with a plurality of rotation posts, and the top of rotating the post touches mutually with the top inner wall of staircase conveyer belt, can support the staircase conveyer belt through rotating the post.
Further, driving motor, efflux fan and first smoke exhaust fan all are connected with the flame detector electricity, and when flame detector detected the conflagration, start driving motor and drive the smoke damper and rotate.
Furthermore, the inner wall of the top of the traffic lane is provided with a plurality of groups of two symmetrical grooves, a second rotating shaft is rotatably connected in the two grooves, the outer walls of the two second rotating shafts are fixedly connected with a connecting plate and a third gear, the bottom ends of the two connecting plates are fixedly connected with the same pipeline, the bottom of the pipeline is provided with a plurality of electromagnetic spray guns which are communicated, one end of the pipeline, which is far away from the smoke exhaust channel, is provided with a communicated hose, the inner wall of the top of the smoke exhaust channel is provided with a plurality of groups of two symmetrical annular grooves, the top end of the rotating shaft is rotatably connected with the inner wall of the top of the annular grooves, the outer wall of the rotating shaft is fixedly sleeved with a first bevel gear which is positioned in the annular grooves, the inner wall of one side, which is close to the grooves, is rotatably connected with a round rod, the other end of the round rod is fixedly connected with a second bevel gear which is meshed with the first bevel gear, one end, which is far away from the rotating shaft, is rotatably penetrated through the two grooves, and the outer wall of the round rod is fixedly sleeved with two incomplete gears, two incomplete gears are respectively positioned in two grooves, a third gear is meshed with the incomplete gear, when the wind-gathering plate and the rotating shaft start to rotate under the action of a smoke exhaust fan, because a first bevel gear is meshed with a second bevel gear, the rotating shaft drives a round rod to rotate through the first bevel gear and the second bevel gear, the third gear is meshed with the incomplete gear, the incomplete gear drives a second rotating shaft and a connecting plate to rotate through the third gear, after the incomplete gear is disengaged from the third gear, the connecting plate and a pipeline reversely rotate under the self gravity factor until the incomplete gear is meshed with the third gear again, the pipeline starts to rotate in a reciprocating mode, an electromagnetic spray gun can extinguish a fire source in the largest area along with the rotation of the pipeline, the expansion of the fire source is reduced, and valuable time is won for subsequent rescue teams.
The invention has the beneficial effects that:
1. according to the immersed tube tunnel convenient for uniform smoke exhaust and escape of people, the driving motor is started to drive the second gear to rotate, the second gear drives the first gear and the first rotating shaft to rotate through the soft rack, the rotating angle of the smoke exhaust valve can be controlled, the opening angle of the smoke exhaust valve is gradually reduced, and the opening angle of the smoke exhaust valve is larger as the smoke exhaust valve is closer to a fire source.
2. The invention discloses a immersed tube tunnel convenient for uniform smoke discharge and personnel escape, wherein wind power generated by a smoke discharge fan can push a wind gathering plate and a rotating shaft to rotate, the rotating shaft drives a rotating rod and a first roller to rotate, the first roller drives a second roller to rotate through a staircase conveying belt, when a fire disaster occurs in a traffic lane, the person in the traffic lane can quickly enter a staircase, stand on the staircase conveying belt, and drive the staircase conveying belt to rotate through the cooperation of the first roller and the second roller, so that the person in the traffic lane in the fire disaster can quickly leave a fire source position and can move to the corresponding staircase far away from the fire source position to break away from the danger.
3. According to the immersed tube tunnel convenient for uniform smoke discharge and personnel escape, disclosed by the invention, the track of fire smoke spreading and the fire details can be monitored in real time through the camera, the flame detector and the temperature-sensing fire detector, the smoke concentration sensor can detect the smoke concentration, and the fire and the smoke are predicted according to the track of smoke spreading, the fire details and the smoke concentration, so that reference is provided for a subsequent rescue scheme.
4. According to the immersed tube tunnel convenient for uniform smoke discharge and escape of people, the rotating shaft drives the round rod to rotate through the first bevel gear and the second bevel gear, the third gear is meshed with the incomplete gear, the second smoke outlet drives the second rotating shaft and the connecting plate to reciprocate through the third gear, the electromagnetic spray gun can extinguish a fire source in the largest area along with the rotation of the pipeline, the expansion of the fire source is reduced, and precious time is won for subsequent rescue troops.
5. According to the immersed tube tunnel convenient for uniform smoke discharge and escape of people, the opening number and the rotation angle of the smoke discharge valve can be adjusted according to the position of a fire and the scale of the fire, so that the corresponding exhaust amount of a smoke discharge port is controlled, the aim of uniform smoke discharge is achieved, the smoke discharge efficiency is improved, the fan efficiency generated by the smoke discharge fan drives the rotating shaft and the wind gathering plate to rotate in the smoke discharge process, the rotation of the rotating shaft can enable people in disaster standing on a conveyor belt of a staircase to evacuate quickly, the fire extinguishing area of an electromagnetic spray gun can be enlarged to strive for the arrival of rescue teams, and the aims of environmental protection and energy conservation can be achieved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a front sectional view of an immersed tunnel for facilitating uniform smoke evacuation and escape of persons in accordance with the present invention;
FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged view of the invention at B of FIG. 1;
FIG. 4 is a three-dimensional view of a smoke evacuation assembly in an immersed tunnel for facilitating uniform smoke evacuation and escape of persons in accordance with the present invention;
FIG. 5 is a cross-sectional view taken along line C-C of FIG. 1 in accordance with the present invention;
FIG. 6 is a cross-sectional view taken along line D-D of FIG. 1 in accordance with the present invention;
FIG. 7 is a cross-sectional view taken along line E-E of FIG. 1 in accordance with the present invention;
FIG. 8 is an enlarged view at F of FIG. 5 in accordance with the present invention;
FIG. 9 is a cross-sectional view taken along line G-G of FIG. 7 in accordance with the present invention;
fig. 10 is a front sectional view of an immersed tunnel facilitating uniform smoke evacuation and escape of persons according to the present invention.
Reference numerals: 1. sinking a pipe tunnel; 2. a traffic lane; 3. an escape passage; 4. a smoke evacuation channel; 5. a flame detector; 6. a first smoke exhaust fan; 7. a first exhaust port; 8. a jet fan; 9. a first rotating shaft; 10. a smoke exhaust valve; 11. a first gear; 12. a placement groove; 13. a drive motor; 14. a second gear; 15. a soft rack; 16. a temperature-sensitive fire detector; 17. a rotating shaft; 18. a wind-collecting plate; 19. a staircase; 20. escape stairs; 21. a rectangular groove; 22. rotating the rod; 23. a first drum; 24. a rotating groove; 25. a first bevel gear; 26. a second bevel gear; 27. a second drum; 28. an escalator conveyor belt; 29. a groove; 30. a second rotating shaft; 31. a connecting plate; 32. a third gear; 33. a pipeline; 34. an electromagnetic spray gun; 35. a hose; 36. an annular groove; 37. a first bevel gear; 38. a round bar; 39. a second bevel gear; 40. an incomplete gear; 41. a second smoke exhaust port; 42. a smoke exhaust pipe; 43. a second smoke exhaust fan; 44. a first metal frame; 45. a support plate; 46. rotating the column; 47. a second metal frame; 48. a flue gas concentration sensor; 49. a camera is provided.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and the specific meaning of the terms described above will be understood by those skilled in the art according to the specific circumstances.
Example one
As shown in fig. 1-9, the immersed tube tunnel for uniform smoke evacuation and escape of people is provided with two symmetrical traffic lanes 2 in the immersed tube tunnel 1, an escape passage 3 and a smoke evacuation passage 4 between the two traffic lanes 2 in the immersed tube tunnel 1, the escape passage 3 is positioned below the smoke exhaust passage 4, a plurality of first smoke exhaust ports 7 are arranged at the mutually close sides of the two traffic lanes 2, a first metal frame 44 is fixedly connected in the first smoke exhaust ports 7 through bolts, the first rotating shaft 9 and the smoke exhaust valve 10 can be protected through the first metal frame 44, a plurality of first smoke exhaust ports 7 are communicated with the smoke exhaust channel 4, smoke exhaust components for smoke exhaust are arranged in the first smoke exhaust ports 7, the inner wall of the top of each first smoke exhaust port 7 is fixedly connected with a smoke concentration sensor 48 through bolts, the concentration of the smoke entering the first exhaust port 7 can be detected by the smoke concentration sensor 48.
The inner wall of the bottom of the escape passage 3 is provided with a plurality of groups of moving assemblies used for enabling people suffering from a disaster to be quickly separated from a fire source, the inner wall of one side, close to the escape passage 3, of the traffic lane 2 is provided with a plurality of groups of escape assemblies used for escaping, a plurality of flame detectors 5 and temperature-sensitive fire detectors 16 are arranged on the inner wall of the top of the traffic lane 2 at equal intervals, jet fans 8 are arranged on the inner wall of the top of the traffic lane 2 at equal intervals, the jet fans 8 are arranged right above vehicles running in the traffic lane 2, and the jet fans 8 play a role in inducing air flow. A plurality of cameras 49 are fixedly connected to the inner wall of one side, far away from the smoke exhaust channel 4, of the traffic lane 2 at equal intervals through bolts, and the track of fire smoke spreading and the fire details can be monitored in real time through the cameras 49, the flame detectors 5 and the temperature-sensing fire detectors 16. The flue gas concentration sensor 48 can detect the concentration of flue gas in the exhaust passage 4, according to the orbit that the flue gas stretchs, the concentration of conflagration detail and flue gas, predicts conflagration and flue gas, provides the reference for follow-up rescue scheme, is two symmetrical axis of rotation 17 of longitudinal rotation connection multiunit in the exhaust passage 4, and a plurality of wind boards 18 of gathering are connected with through bolt fixed connection to the outer wall of axis of rotation 17, and a plurality of first exhaust fan 6 have been arranged to the top inner wall equidistance of exhaust passage 4.
In the invention, the smoke exhaust component comprises a plurality of first rotating shafts 9 which are rotatably connected in a first smoke exhaust port 7, the outer wall of each first rotating shaft 9 is fixedly sleeved with a smoke exhaust valve 10 and a first gear 11, the inner wall of one side of each first smoke exhaust port 7 is provided with a placing groove 12, the inner wall of one side of each placing groove 12 is fixedly connected with a driving motor 13 through a bolt, the output shaft of each driving motor 13 is fixedly connected with a second gear 14, the second gear 14 is in transmission connection with the first gear 11 through a soft rack 15, a top jet fan 8 of a roadway 2 can induce air in a tunnel to flow, the second gear 14 is driven to rotate by starting the driving motor 13, the second gear 14 drives the first gear 11 and the first rotating shaft 9 to rotate through the soft rack 15, the rotating angle of the smoke exhaust valve 10 can be further controlled, the opening angle of the smoke exhaust valve 10 is larger when the smoke exhaust component is closer to a fire source, and uniform smoke exhaust of the plurality of first smoke exhaust ports 7 is further realized, the smoke exhaust efficiency is improved.
According to the invention, the escape assembly comprises a staircase 19 which is arranged on the inner wall of the side, close to the escape channel 3, of the travelling lane 2, the staircase 19 is communicated with the escape channel 3, the inner wall of the bottom of the staircase 19 is provided with an escape stair 20, the inner wall of the top of the staircase 19 is provided with a second smoke outlet 41, the inner wall of the top of the second smoke outlet 41 is provided with a smoke exhaust pipe 42 communicated with the smoke exhaust channel 4, and a second smoke exhaust fan 43 is arranged in the second smoke outlet 41.
In the invention, the moving component comprises a rectangular groove 21 arranged on the inner wall of the bottom of the escape passage 3, a rotating rod 22 and a second roller 27 are rotatably connected in the rectangular groove 21, a first roller 23 is fixedly sleeved on the outer wall of the rotating rod 22, the outer sides of the first roller 23 and the second roller 27 are in transmission connection through an escalator conveyor belt 28, two symmetrical rotating grooves 24 are arranged on the inner wall of the bottom of the escape passage 3, the bottom ends of the two symmetrical rotating shafts 17 respectively extend into the rotating grooves 24 and are in rotating connection with the inner wall of the bottom of the rotating grooves 24, a first bevel gear 25 positioned in the rotating grooves 24 is fixedly sleeved on the outer wall of the rotating shaft 17, two ends of the rotating rod 22 respectively extend into the corresponding rotating grooves 24 and are respectively and fixedly connected with a second bevel gear 26, the second bevel gear 26 is meshed with the first bevel gear 25, and the wind-gathering plate 18 and the rotating shaft 17 can be pushed to rotate by wind power generated by the first smoke exhaust fan 6, the rotating shaft 17 drives the rotating rod 22 and the first roller 23 to rotate, the first roller 23 drives the second roller 27 to rotate through the escalator conveying belt 28, and due to a fire disaster in the traffic lane 2, a person in the traffic lane 2 can quickly enter the staircase 19 and stand on the escalator conveying belt 28, the escalator conveying belt 28 is driven to rotate through the cooperation of the first roller 23 and the second roller 27, so that the person in the traffic lane 2 can quickly escape from a fire source position and move to the corresponding staircase 19 far away from the fire source position to break away from a danger.
In the invention, a second metal frame 47 positioned below the second smoke exhaust fan 43 is fixedly connected in the second smoke exhaust port 41 through bolts, and the second smoke exhaust fan 43 can be protected through the second metal frame 47.
In the invention, a supporting plate 45 penetrating through the escalator conveying belt 28 is fixedly connected in the rectangular groove 21 through bolts, a plurality of rotating columns 46 are rotatably connected in the supporting plate 45, the tops of the rotating columns 46 are in contact with the inner wall of the top of the escalator conveying belt 28, and the escalator conveying belt 28 can be supported through the rotating columns 46.
In the invention, the driving motor 13, the jet fan 8 and the first smoke exhaust fan 6 are all electrically connected with the flame detector 5, and when the flame detector 5 detects a fire, the driving motor 13 is started to drive the smoke exhaust valve 10 to rotate.
Example two
As a further improvement of the previous embodiment, as shown in fig. 1-10, in the immersed tube tunnel for uniform smoke evacuation and escape of people, two symmetrical traffic lanes 2 are provided in the immersed tube tunnel 1, an escape passage 3 and a smoke evacuation passage 4 are provided in the immersed tube tunnel 1 between the two traffic lanes 2, the escape passage 3 is positioned below the smoke exhaust passage 4, a plurality of first smoke exhaust ports 7 are arranged at the mutually close sides of the two traffic lanes 2, a first metal frame 44 is fixedly connected in the first smoke exhaust ports 7 through bolts, the first rotating shaft 9 and the smoke exhaust valve 10 can be protected through the first metal frame 44, a plurality of first smoke exhaust ports 7 are communicated with the smoke exhaust channel 4, smoke exhaust components for smoke exhaust are arranged in the first smoke exhaust ports 7, the inner wall of the top of each first smoke exhaust port 7 is fixedly connected with a smoke concentration sensor 48 through bolts, the concentration of the smoke entering the first exhaust port 7 can be detected by the smoke concentration sensor 48.
The inner wall of the bottom of the escape passage 3 is provided with a plurality of groups of moving assemblies used for enabling people suffering from a disaster to be quickly separated from a fire source, the inner wall of one side, close to the escape passage 3, of the traffic lane 2 is provided with a plurality of groups of escape assemblies used for escaping, a plurality of flame detectors 5 and temperature-sensitive fire detectors 16 are arranged on the inner wall of the top of the traffic lane 2 at equal intervals, jet fans 8 are arranged on the inner wall of the top of the traffic lane 2 at equal intervals, the jet fans 8 are arranged right above vehicles running in the traffic lane 2, and the jet fans 8 play a role in inducing air flow. The inner wall of one side of the traffic lane 2, which is far away from the smoke exhaust channel 4, is fixedly connected with a plurality of cameras 49 at equal intervals through bolts, and the track of fire smoke spreading and the fire details can be monitored in real time through the cameras 49, the flame detector 5 and the temperature-sensitive fire detector 16. The flue gas concentration sensor 48 can detect the concentration of flue gas in the exhaust passage 4, according to the orbit that the flue gas stretchs, the concentration of conflagration detail and flue gas, predicts conflagration and flue gas, provides the reference for follow-up rescue scheme, is two symmetrical axis of rotation 17 of longitudinal rotation connection multiunit in the exhaust passage 4, and a plurality of wind boards 18 of gathering are connected with through bolt fixed connection to the outer wall of axis of rotation 17, and a plurality of first exhaust fan 6 have been arranged to the top inner wall equidistance of exhaust passage 4.
In the invention, the smoke exhaust component comprises a plurality of first rotating shafts 9 which are rotatably connected in a first smoke exhaust port 7, the outer wall of each first rotating shaft 9 is fixedly sleeved with a smoke exhaust valve 10 and a first gear 11, the inner wall of one side of each first smoke exhaust port 7 is provided with a placing groove 12, the inner wall of one side of each placing groove 12 is fixedly connected with a driving motor 13 through a bolt, the output shaft of each driving motor 13 is fixedly connected with a second gear 14, the second gear 14 is in transmission connection with the first gear 11 through a soft rack 15, a top jet fan 8 of a traffic lane 2 corresponds to the first smoke exhaust port 7, the driving motor 13 is started to drive the second gear 14 to rotate, the second gear 14 drives the first gear 11 and the first rotating shaft 9 to rotate through the soft rack 15, the rotating angle of the smoke exhaust valve 10 can be controlled, the opening angle of the smoke exhaust valve 10 is larger when the smoke exhaust component is closer to a fire source, and uniform smoke exhaust of the first smoke exhaust ports 7 is realized, the smoke exhaust efficiency is improved.
According to the invention, the escape assembly comprises a staircase 19 which is arranged on the inner wall of the side, close to the escape channel 3, of the travelling lane 2, the staircase 19 is communicated with the escape channel 3, the inner wall of the bottom of the staircase 19 is provided with an escape stair 20, the inner wall of the top of the staircase 19 is provided with a second smoke outlet 41, the inner wall of the top of the second smoke outlet 41 is provided with a smoke exhaust pipe 42 communicated with the smoke exhaust channel 4, and a second smoke exhaust fan 43 is arranged in the second smoke outlet 41.
In the invention, the moving component comprises a rectangular groove 21 arranged on the inner wall of the bottom of the escape passage 3, a rotating rod 22 and a second roller 27 are rotatably connected in the rectangular groove 21, a first roller 23 is fixedly sleeved on the outer wall of the rotating rod 22, the outer sides of the first roller 23 and the second roller 27 are in transmission connection through an escalator conveyor belt 28, two symmetrical rotating grooves 24 are arranged on the inner wall of the bottom of the escape passage 3, the bottom ends of the two symmetrical rotating shafts 17 respectively extend into the rotating grooves 24 and are in rotating connection with the inner wall of the bottom of the rotating grooves 24, a first bevel gear 25 positioned in the rotating grooves 24 is fixedly sleeved on the outer wall of the rotating shaft 17, two ends of the rotating rod 22 respectively extend into the corresponding rotating grooves 24 and are respectively and fixedly connected with a second bevel gear 26, the second bevel gear 26 is meshed with the first bevel gear 25, and the wind-gathering plate 18 and the rotating shaft 17 can be pushed to rotate by wind power generated by the first smoke exhaust fan 6, the rotating shaft 17 drives the rotating rod 22 and the first roller 23 to rotate, the first roller 23 drives the second roller 27 to rotate through the escalator conveying belt 28, and due to a fire disaster in the traffic lane 2, a person in the traffic lane 2 can quickly enter the staircase 19 and stand on the escalator conveying belt 28, the escalator conveying belt 28 is driven to rotate through the cooperation of the first roller 23 and the second roller 27, so that the person in the traffic lane 2 can quickly break away from a fire source position and can move to the corresponding staircase 19 far away from the fire source position to break away from danger.
In the invention, a second metal frame 47 positioned below the second smoke exhaust fan 43 is fixedly connected in the second smoke exhaust port 41 through bolts, and the second smoke exhaust fan 43 can be protected through the second metal frame 47.
In the invention, a supporting plate 45 penetrating through the escalator conveying belt 28 is fixedly connected in the rectangular groove 21 through bolts, a plurality of rotating columns 46 are rotatably connected in the supporting plate 45, the tops of the rotating columns 46 are in contact with the inner wall of the top of the escalator conveying belt 28, and the escalator conveying belt 28 can be supported through the rotating columns 46.
In the invention, the driving motor 13, the jet fan 8 and the first smoke exhaust fan 6 are all electrically connected with the flame detector 5, and when the flame detector 5 detects a fire, the driving motor 13 is started to drive the smoke exhaust valve 10 to rotate.
In the invention, a plurality of groups of two symmetrical grooves 29 are arranged on the inner wall of the top of a traffic lane 2, a second rotating shaft 30 is rotatably connected in each of the two grooves 29, a connecting plate 31 and a third gear 32 are fixedly connected on the outer walls of the two second rotating shafts 30, the bottom ends of the two connecting plates 31 are fixedly connected with a same pipeline 33, a plurality of electromagnetic spray guns 34 communicated with each other are arranged at the bottom of the pipeline 33, a communicated hose 35 is arranged at one end of the pipeline 33 far away from a smoke exhaust channel 4, a plurality of groups of two symmetrical annular grooves 36 are arranged on the inner wall of the top of the smoke exhaust channel 4, the top end of a rotating shaft 17 is rotatably connected with the inner wall of the top of the annular groove 36, a first bevel gear 37 positioned in the annular groove 36 is fixedly sleeved on the outer wall of the rotating shaft 17, a round rod 38 is rotatably connected on the inner wall of one side of the annular groove 36 close to the groove 29, and a second bevel gear 39 meshed with the first bevel gear 37 is fixedly connected at the other end of the round rod 38, one end of the round rod 38, which is far away from the rotating shaft 17, rotatably penetrates through the two grooves 29, two incomplete gears 40 are fixedly sleeved on the outer wall of the round rod 38, the two incomplete gears 40 are respectively positioned in the two grooves 29, the third gear 32 is meshed with the incomplete gear 40, when the wind-gathering plate 18 and the rotating shaft 17 start to rotate under the action of the first exhaust fan 6, as the first bevel gear 37 is meshed with the second bevel gear 39, the rotating shaft 17 drives the round rod 38 to rotate through the first bevel gear 37 and the second bevel gear 39, the third gear 32 is meshed with the incomplete gear 40, the incomplete gear 40 drives the second rotating shaft 30 and the connecting plate 31 to rotate through the third gear 32, after the incomplete gear 40 is disengaged from the third gear 32, the connecting plate 31 and the pipeline 33 reversely rotate under the self gravity factor until the incomplete gear 40 is meshed with the third gear 32 again, and then pipeline 33 begins reciprocating rotation, and electromagnetic spray gun 34 can put out a fire the fire source of largest area along with the rotation of pipeline 33, reduces the expansion of fire source, strives for the valuable time for follow-up rescue army.
The advantages of the second embodiment over the first embodiment are: the inner wall of the top of the traffic lane 2 is provided with a plurality of groups of two symmetrical grooves 29, the two grooves 29 are both rotatably connected with a second rotating shaft 30, the outer walls of the two second rotating shafts 30 are both fixedly connected with a connecting plate 31 and a third gear 32, the bottom ends of the two connecting plates 31 are fixedly connected with a same pipeline 33, the bottom of the pipeline 33 is provided with a plurality of electromagnetic spray guns 34 communicated with each other, one end of the pipeline 33 far away from the smoke exhaust channel 4 is provided with a communicated hose 35, the inner wall of the top of the smoke exhaust channel 4 is provided with a plurality of groups of two symmetrical annular grooves 36, the top end of the rotating shaft 17 is rotatably connected with the inner wall of the top of the annular groove 36, the outer wall of the rotating shaft 17 is fixedly sleeved with a first bevel gear 37 positioned in the annular groove 36, the inner wall of one side of the annular groove 36 close to the groove 29 is rotatably connected with a round rod 38, and the other end of the round rod 38 is fixedly connected with a second bevel gear 39 meshed with the first bevel gear 37, one end of the round rod 38, which is far away from the rotating shaft 17, rotates to penetrate through the two grooves 29, two incomplete gears 40 are fixedly sleeved on the outer wall of the round rod 38, the two incomplete gears 40 are respectively positioned in the two grooves 29, and the third gear 32 is meshed with the incomplete gears 40.
The flame detector 5 detects that a fire disaster occurs, and confirms the position of the fire source, the temperature in the tunnel is sensed by the temperature-sensing fire detector 16 at the corresponding position, and the temperature-sensing fire detector is used for judging the size of the fire source, according to the size and the position of the fire source, the opening quantity of the driving motor 13 is adjusted, the driving motor 13 drives the second gear 14 to rotate, the second gear 14 drives the first gear 11 and the first rotating shaft 9 to rotate through the soft rack 15, and further the rotating angle of the smoke exhaust valve 10 can be controlled, the opening angle of the smoke exhaust valve 10 gradually decreases, the closer the smoke exhaust valve 10 to the fire source is, the larger the opening angle is, the jet fan 8 induces and controls smoke in a longitudinal distance in the tunnel, and the opening angle of the smoke exhaust valve 10 gradually changes, so that the uniform smoke exhaust of a plurality of first smoke exhaust ports 7 can be realized.
The smoke in the descending lane 2 is discharged into the smoke exhaust channel 4 under the action of the jet flow fan 8 and the smoke exhaust fans, the first smoke exhaust fan 6 guides the smoke in the smoke exhaust channel 4 until the smoke is discharged, the starting of the first smoke exhaust fan 6 guides the smoke in the smoke exhaust channel 4 to generate wind power, the wind power generated by the first smoke exhaust fan 6 can push the wind gathering plate 18 and the rotating shaft 17 to rotate, the rotating shaft 17 drives the first bevel gear 25 to rotate, the first bevel gear 25 is meshed with the second bevel gear 26, the rotating shaft 17 drives the rotating rod 22 and the first roller 23 to rotate, the first roller 23 drives the second roller 27 to rotate through the escalator conveyor belt 28, and due to the fire in the descending lane 2, the disaster-suffered person in the descending lane 2 quickly enters the staircase 19 and enters the escape channel 3 through the stair escape 20 and stands on the escalator conveyor belt 28, the escalator conveying belt 28 is driven to rotate by the cooperation of the first roller 23 and the second roller 27, so that the person in disaster standing on the escalator conveying belt 28 can be quickly separated from the fire source position and move to the corresponding staircase 19 far away from the fire source position to be separated from danger.
When the wind gathering plate 18 and the rotating shaft 17 start to rotate under the action of the first smoke exhaust fan 6, as the first bevel gear 37 and the second bevel gear 39 are meshed, the rotating shaft 17 drives the round rod 38 to rotate through the first bevel gear 37 and the second bevel gear 39, the third gear 32 is meshed with the incomplete gear 40, the incomplete gear 40 drives the second rotating shaft 30 and the connecting plate 31 to rotate through the third gear 32, after the incomplete gear 40 is disengaged from the third gear 32, the connecting plate 31 and the pipeline 33 reversely rotate under the self gravity factor until the incomplete gear 40 is meshed with the third gear 32 again, the pipeline 33 starts to rotate in a reciprocating manner, the electromagnetic spray gun 34 can extinguish the fire source in the largest area along with the rotation of the pipeline 33, the expansion of the fire source is reduced, precious time is won for subsequent rescue troops, the electromagnetic spray gun 34 can extinguish the fire source in the largest area along with the rotation of the pipeline 33, the expansion of a fire source is reduced, precious time is strived for subsequent rescue troops, in addition, when a fire disaster happens, the camera 49, the flame detector 5 and the temperature-sensing fire detector 16 can monitor the track and the fire details of fire smoke spreading in real time, the smoke concentration sensor 48 can detect the concentration of smoke, the fire and the smoke are predicted according to the track, the fire details and the concentration of the smoke spreading, and reference is provided for a subsequent rescue scheme.
Wherein the opening angle of smoke damper 10 is the trend of diminishing gradually, and the more nearly smoke damper 10 opening angle that leaves the fire disaster is big more, can realize that the principle that a plurality of first exhaust ports 7 evenly discharged fume is according to "even amount of wind concentrates tunnel conflagration flue gas flow analysis and full scale experiment of discharging fume".
However, as is well known to those skilled in the art, the working principle and wiring method of the flame detector 5, the temperature-sensitive fire detector 16, the camera 49, the first exhaust fan 6, the second exhaust port 41, the jet fan 8, the driving motor 13, the smoke concentration sensor 48 and the electromagnetic spray gun 34 are conventional in the art or common knowledge, and will not be described herein again, and those skilled in the art may make any choice according to their needs or convenience.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (10)
1. A immersed tube tunnel convenient for uniform smoke exhaust and escape of people comprises an immersed tube tunnel (1) and is characterized in that two symmetrical traffic lanes (2) are arranged in the immersed tube tunnel (1), an escape passage (3) and a smoke exhaust passage (4) are arranged in the immersed tube tunnel (1) and between the two traffic lanes (2), the escape passage (3) is arranged below the smoke exhaust passage (4), a plurality of first smoke exhaust ports (7) are arranged on one sides, close to each other, of the two traffic lanes (2), the first smoke exhaust ports (7) are communicated with the smoke exhaust passage (4), smoke exhaust components for exhausting smoke are arranged in the first smoke exhaust ports (7), a plurality of groups of moving components for enabling disaster-stricken people to quickly escape from a fire scene are arranged on the inner wall of the bottom of the escape passage (3), and a plurality of groups of escape components for escaping are arranged on the inner wall of one side, close to the escape passage (3), of the traffic lane (2), a plurality of flame detector (5) and temperature sensing fire detector (16) have been arranged to the top inner wall equidistance of lane (2), a plurality of cameras (49) of one side inner wall equidistance fixedly connected with of exhaust fume duct (4) are kept away from in lane (2), be vertical rotation in exhaust fume duct (4) and be connected with two symmetrical axis of rotation (17) of multiunit, a plurality of wind board (18) of gathering of outer wall fixedly connected with of axis of rotation (17), a plurality of first smoke ventilator (6) have been arranged to the top inner wall equidistance of exhaust fume duct (4).
2. The immersed tube tunnel convenient for uniform smoke discharge and escape of people as claimed in claim 1, wherein the smoke discharge assembly comprises a plurality of first rotating shafts (9) rotatably connected in the first smoke discharge port (7), the outer wall of the first rotating shafts (9) is fixedly sleeved with a smoke discharge valve (10) and a first gear (11), the inner wall of one side of the first smoke discharge port (7) is provided with a placing groove (12), the inner wall of one side of the placing groove (12) is fixedly connected with a driving motor (13), the output shaft of the driving motor (13) is fixedly connected with a second gear (14), the second gear (14) is in transmission connection with the first gear (11) through a soft rack (15), and the inner wall of the top of the immersed tube tunnel (1) is fixedly connected with a jet fan (8) through a fixing rod.
3. The immersed tube tunnel convenient for uniform smoke exhaust and escape of people as claimed in claim 1, wherein the escape assembly comprises a staircase (19) arranged on the inner wall of one side of the escape passage (3) close to the travelling lane (2), the staircase (19) is communicated with the escape passage (3), the escape staircase (20) is arranged on the inner wall of the bottom of the staircase (19), the inner wall of the top of the staircase (19) is provided with a second smoke exhaust port (41), the inner wall of the top of the second smoke exhaust port (41) is provided with a smoke exhaust pipe (42) communicated with the smoke exhaust passage (4), and a second smoke exhaust fan (43) is arranged in the second smoke exhaust port (41).
4. The immersed tube tunnel convenient for uniform smoke discharge and escape of people according to claim 1, wherein the moving assembly comprises a rectangular groove (21) arranged on the inner wall of the bottom of the escape passage (3), a rotating rod (22) and a second roller (27) are rotatably connected in the rectangular groove (21), a first roller (23) is fixedly sleeved on the outer wall of the rotating rod (22), the outer sides of the first roller (23) and the second roller (27) are in transmission connection through an escalator conveyor belt (28), two symmetrical rotating grooves (24) are arranged on the inner wall of the bottom of the escape passage (3), the bottom ends of the two symmetrical rotating shafts (17) respectively extend into the rotating groove (24) and are rotatably connected with the inner wall of the bottom of the rotating groove (24), a first bevel gear (25) positioned in the rotating groove (24) is fixedly sleeved on the outer wall of the rotating shaft (17), the two ends of the rotating rod (22) respectively extend into the corresponding rotating grooves (24) and are fixedly connected with second bevel gears (26), and the second bevel gears (26) are meshed with the first bevel gears (25).
5. The immersed tunnel for uniform smoke evacuation and escape of people as claimed in claim 1, wherein a first metal frame (44) is fixedly connected inside the first smoke evacuation port (7).
6. The immersed tunnel convenient for uniform smoke evacuation and escape of people as claimed in claim 3, wherein a second metal frame (47) located below the second smoke evacuation fan (43) is fixedly connected inside the second smoke evacuation port (41).
7. The immersed tunnel convenient for uniform smoke evacuation and escape of people as claimed in claim 2, wherein the top inner wall of the first smoke evacuation port (7) is fixedly connected with a smoke concentration sensor (48), and the smoke concentration sensor (48) is located between the smoke evacuation valve (10) and the jet fan (8).
8. The immersed tunnel convenient for uniform smoke evacuation and escape of people as claimed in claim 4, wherein a support plate (45) penetrating through the escalator conveyor belt (28) is fixedly connected in the rectangular groove (21), a plurality of rotating columns (46) are rotatably connected in the support plate (45), and the tops of the rotating columns (46) touch the inner wall of the top of the escalator conveyor belt (28).
9. The immersed tunnel convenient for uniform smoke discharge and escape of people as claimed in claim 2, wherein said driving motor (13), jet fan (8) and first smoke discharge fan (6) are electrically connected with flame detector (5).
10. The immersed tube tunnel convenient for uniform smoke discharge and escape of people as claimed in claim 1, wherein the top inner wall of the traffic lane (2) is provided with a plurality of sets of two symmetrical grooves (29), the two grooves (29) are both rotatably connected with a second rotating shaft (30), the outer walls of the two second rotating shafts (30) are both fixedly connected with a connecting plate (31) and a third gear (32), the bottom ends of the two connecting plates (31) are fixedly connected with a same pipeline (33), the bottom of the pipeline (33) is provided with a plurality of communicated electromagnetic spray guns (34), one end of the pipeline (33) far away from the smoke discharge channel (4) is provided with a communicated hose (35), the top inner wall of the smoke discharge channel (4) is provided with a plurality of sets of two symmetrical annular grooves (36), the top end of the rotating shaft (17) is rotatably connected with the top inner wall of the annular grooves (36), the fixed cover in outer wall of axis of rotation (17) is equipped with first bevel gear (37) that are located ring channel (36), one side inner wall that ring channel (36) are close to recess (29) rotates and is connected with round bar (38), the other end fixedly connected with of round bar (38) and second bevel gear (39) that first bevel gear (37) engaged with, the one end rotation that axis of rotation (17) was kept away from in round bar (38) runs through two recesses (29), the fixed cover in outer wall of round bar (38) is equipped with two incomplete gear (40), two incomplete gear (40) are located two recesses (29) respectively, and third gear (32) and incomplete gear (40) mesh mutually.
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