CN114592542B - Immersed tube tunnel convenient to evenly smoke evacuation and personnel escape - Google Patents
Immersed tube tunnel convenient to evenly smoke evacuation and personnel escape Download PDFInfo
- Publication number
- CN114592542B CN114592542B CN202210260530.4A CN202210260530A CN114592542B CN 114592542 B CN114592542 B CN 114592542B CN 202210260530 A CN202210260530 A CN 202210260530A CN 114592542 B CN114592542 B CN 114592542B
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- Prior art keywords
- smoke
- wall
- escape
- fixedly connected
- immersed tube
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- 239000000779 smoke Substances 0.000 title claims abstract description 250
- 230000000712 assembly Effects 0.000 claims abstract 5
- 238000000429 assembly Methods 0.000 claims abstract 5
- 239000002184 metal Substances 0.000 claims description 16
- 239000007921 spray Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract description 45
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003517 fume Substances 0.000 description 8
- 230000007480 spreading Effects 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001939 inductive effect Effects 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 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
- 238000005206 flow analysis Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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
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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
- A62C3/14—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
-
- 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
-
- 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 passage and a smoke discharge passage are arranged in the immersed tube tunnel, two lanes are mutually close to one side, a plurality of first smoke outlets are communicated with the smoke discharge passage, a smoke discharge assembly for discharging smoke is arranged in the first smoke outlet, a plurality of groups of moving assemblies for enabling disaster-stricken personnel to quickly escape from a fire scene are arranged on the inner wall at the bottom of the escape passage, a plurality of groups of escape assemblies for escaping are arranged on the inner wall at one side of the lanes close to the escape passage, a plurality of flame detectors, temperature-sensitive fire detectors and jet fans are equidistantly arranged on the inner wall at the top of the lanes, a plurality of groups of symmetrical two rotating shafts are longitudinally connected in the smoke discharge passage in a rotating manner, and a plurality of smoke discharge fans are equidistantly arranged on the inner wall at the top of the smoke discharge passage; the problems that in the prior art, smoke discharging efficiency is low due to unbalanced smoke discharging amount, disaster-stricken personnel cannot quickly escape from a current tunnel, and personnel rescue effect in the tunnel is affected are solved.
Description
Technical Field
The invention belongs to the technical field of tunnel smoke discharge, and relates to a immersed tube tunnel convenient for uniform smoke discharge and personnel escape.
Background
Along with the rapid development of the economy and society, a large number of underwater immersed tube tunnels are developed, and a concentrated smoke discharging mode is generated. In recent years, tunnel fire accidents occur, so that serious casualties and property loss are caused, and high-temperature toxic smoke generated by tunnel fire is discharged in time, so that 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 large amount of low-temperature and low-concentration smoke close to a fan end is fully started to exhaust fresh air from the smoke exhaust port, high-temperature and high-concentration smoke close to a fire source cannot be effectively exhausted due to overlarge along-way and local loss, the smoke exhaust efficiency is greatly reduced, the smoke exhaust effect is poor, the traditional centralized smoke exhaust system can only exhaust smoke, fire details cannot be analyzed according to the temperature, the concentration and the motion rule of fire smoke, further a rescue scheme cannot be obtained rapidly, and disaster-stricken personnel cannot escape from a current tunnel rapidly in the smoke exhaust process.
Disclosure of Invention
In view of the above, the invention provides a immersed tube tunnel which is convenient for uniform smoke discharge and personnel escape in order to solve the problems that in the prior art, the smoke discharge efficiency is low due to unbalanced smoke discharge amount in the immersed tube tunnel, and disaster-stricken personnel cannot escape from the current tunnel quickly, and the rescue effect of personnel in the tunnel is affected.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The utility model provides a immersed tube tunnel convenient to evenly smoke and personnel escape, including the immersed tube tunnel, be equipped with two symmetrical traffic lanes in the immersed tube tunnel, be equipped with escape route and the smoke evacuation channel that is located between two traffic lanes in the immersed tube tunnel, and escape route is located the below of smoke evacuation channel, one side that two traffic lanes are close to each other is equipped with a plurality of first exhaust ports, and a plurality of first exhaust ports all are linked together with the smoke evacuation channel, be equipped with the subassembly that is used for evenly discharging fume in the first exhaust port, the bottom inner wall of escape route is equipped with the multiunit and is used for making the disaster personnel break away from the mobile assembly of the fire source fast, the traffic lane is close to one side inner wall of escape route and is equipped with the multiunit subassembly that is used for escaping, a plurality of flame detector and temperature sensing fire detector have been arranged to the top inner wall equidistance of traffic lane, one side inner wall equidistance fixedly connected with a plurality of traffic lane keep away from the smoke evacuation channel, be vertical rotation in the smoke evacuation channel and be connected with a plurality of symmetrical two axis of multiunit, a plurality of first smoke exhaust fans have been arranged to the top inner wall equidistance of rotation of axis.
Further, the smoke exhaust assembly comprises a plurality of first rotating shafts which are rotationally connected in a first smoke exhaust port, a smoke exhaust valve and a first gear are fixedly sleeved on the outer wall of the first rotating shaft, a placing groove is formed in the inner wall of one side of the first smoke exhaust port, a driving motor is fixedly connected to the inner wall of one side of the placing groove, a second gear is fixedly connected to the output shaft of the driving motor, the second gear is connected with the first gear through a soft rack in a transmission mode, a jet fan is fixedly connected to the inner wall of the top of the immersed tube tunnel through a fixing rod, and the jet fan corresponds to the first smoke exhaust port.
Further, the assembly of fleing is including setting up the stairway that is close to escape passage one side inner wall in the lane of fleing, and the stairway is linked together with escape passage, and the bottom inner wall of stairway is equipped with the stair of fleing, and the top inner wall of stairway is equipped with the second exhaust port, and the top inner wall of second exhaust port is equipped with the exhaust pipe that is linked together with escape passage, is equipped with the second exhaust fan in the second exhaust port.
Further, the moving assembly comprises a rectangular groove arranged on the inner wall of the bottom of the escape passage, a rotating rod and a second roller are rotationally connected in the rectangular groove, a first roller is fixedly sleeved on the outer wall of the rotating rod, the outer sides of the first roller and the second roller are in transmission connection through an escalator conveying belt, two symmetrical rotating grooves are formed in the inner wall of the bottom of the escape passage, the bottoms of the two symmetrical rotating shafts respectively extend into the rotating grooves and are rotationally connected with the inner wall of the bottom of the rotating grooves, a first bevel gear positioned in the rotating grooves is fixedly sleeved on the outer wall of the rotating shaft, two ends of the rotating rod respectively extend into the corresponding rotating grooves and are fixedly connected with second bevel gears, and the second bevel gears are meshed with the first bevel gears.
Further, the first metal frame is fixedly connected with in the first exhaust port, and the first rotating shaft and the jet fan can be protected through the first metal frame.
Further, the second metal frame that is located second exhaust fan below is fixedly connected with in the second exhaust port, can protect second 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 is located between smoke valve and the efflux fan, can detect the flue gas concentration that gets into in the first exhaust port through flue gas concentration sensor.
Further, the backup pad that runs through the staircase conveyer belt of rectangular channel fixedly connected with, backup pad internal rotation is connected with a plurality of dwells, and the top of dwells touches with the top inner wall of staircase conveyer belt, can support the staircase conveyer belt through the dwells.
Further, driving motor, jet fan and first smoke exhaust fan all are connected with flame detector electricity, and when flame detector detects the conflagration, start driving motor and drive the smoke exhaust valve and rotate.
Further, the inner wall of the top of the traffic lane is provided with a plurality of groups of symmetrical two grooves, the two grooves are rotationally connected with a second rotating shaft, 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 discharging channel, is provided with a hose which is communicated with the smoke discharging channel, the inner wall of the top of the smoke discharging channel is provided with a plurality of groups of symmetrical two annular grooves, the top end of the rotating shaft is rotationally connected with the inner wall of the top of the annular groove, the outer wall of the rotating shaft is fixedly sleeved with a first bevel gear which is positioned in the annular groove, one side inner wall of the annular groove, which is close to the groove is rotationally connected with a round rod, the other end of the round rod, which is far away from the rotating shaft, is rotationally penetrated through the two grooves, the outer wall of the round rod is fixedly sleeved with two incomplete gears, the two incomplete gears are respectively positioned in the two grooves, the third gear is meshed with the incomplete gears, when the wind collecting plate and the rotating shaft start to rotate under the action of the smoke exhaust fan, the rotating shaft drives the round rod to rotate through the first bevel gear and the second bevel gear due to the meshing of the first bevel gear and the second bevel gear, the third gear is meshed with the incomplete gears, the incomplete gears drive the second rotating shaft to rotate with the connecting plate through the third gear, after the incomplete gears are disengaged from the third gear, the connecting plate and the pipeline reversely rotate under the self gravity factor until the incomplete gears are meshed with the third gear again, and then the pipeline starts to reciprocate, the electromagnetic spray gun can extinguish a fire with the largest area along with the rotation of the pipeline, the expansion of the fire source is reduced, valuable time is striven for subsequent rescue forces.
The invention has the beneficial effects that:
1. According to the immersed tube tunnel convenient for uniform smoke discharge and personnel escape, 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, so that the rotating angle of the smoke discharge valve can be controlled, the opening angle of the smoke discharge valve is gradually reduced, and the opening angle of the smoke discharge valve is larger as the smoke discharge valve is closer to a fire source.
2. According to the immersed tube tunnel convenient for uniform smoke discharge and personnel escape, wind power generated by the smoke discharge fan can drive the wind collecting plate and the rotating shaft to rotate, the rotating shaft drives the rotating rod and the first roller to rotate, the first roller drives the second roller to rotate through the escalator conveying belt, when a fire disaster occurs in a travelling lane, a disaster-stricken personnel in the travelling lane quickly enters a stairwell and stands on the escalator conveying belt, the first roller and the second roller are matched to drive the escalator conveying belt to rotate, and then the disaster-stricken personnel standing on the escalator conveying belt can quickly leave a fire source position and move into the corresponding stairwell far away from the fire source position to break away from 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 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 concentration of smoke, and the fire and the smoke are predicted according to the track of smoke spreading, the fire details and the concentration of the smoke, so that a reference is provided for a subsequent rescue scheme.
4. According to the immersed tube tunnel convenient for uniform smoke discharge and personnel escape, the rotary 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 rotary shaft to reciprocate with the connecting plate 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 striven for subsequent rescue troops.
5. According to the immersed tube tunnel convenient for uniform smoke discharging and personnel escape, the opening number and the rotation angle of the smoke discharging valves can be adjusted according to the position of a fire disaster and the scale of the fire disaster, so that the corresponding air discharging quantity of a smoke discharging port is controlled, the aim of uniform smoke discharging quantity is achieved, the smoke discharging efficiency is improved, the fan efficiency generated by a smoke discharging fan in the smoke discharging process drives the rotation shaft and the wind collecting plate to rotate, disaster-stricken personnel standing on an escalator conveying belt can be rapidly evacuated through the rotation of the rotation shaft, the arrival striving time of an electromagnetic spray gun fire extinguishing area for rescue teams can be enlarged, and the aim of green energy saving 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 objects and other advantages of the invention may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in the following preferred detail with reference to the accompanying drawings, in which:
FIG. 1 is a front cross-sectional view of a immersed tunnel for facilitating uniform smoke evacuation and personnel escape in accordance with the present invention;
FIG. 2 is an enlarged view of the invention at A in FIG. 1;
FIG. 3 is an enlarged view of the invention at B in FIG. 1;
FIG. 4 is a three-dimensional view of a smoke evacuation assembly in a immersed tunnel for facilitating uniform smoke evacuation and personnel escape in accordance with the present invention;
FIG. 5 is a cross-sectional view taken along the 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 E-E of FIG. 1 in accordance with the present invention;
FIG. 8 is an enlarged view of the portion F of FIG. 5 in accordance with the present invention;
FIG. 9 is a cross-sectional view taken along G-G of FIG. 7 in accordance with the present invention;
fig. 10 is a front cross-sectional view of a immersed tunnel for facilitating uniform smoke evacuation and escape of personnel according to the present invention.
Reference numerals: 1. sinking a pipe tunnel; 2. a traffic lane; 3. an escape passage; 4. a smoke exhaust passage; 5. a flame detector; 6. a first smoke exhaust fan; 7. a first smoke outlet; 8. a jet fan; 9. a first rotating shaft; 10. a smoke exhaust valve; 11. a first gear; 12. a placement groove; 13. a driving 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 stairwell; 20. escape stairs; 21. rectangular grooves; 22. a rotating lever; 23. a first roller; 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 pipe; 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 outlet; 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 smoke concentration sensor; 49. a camera is provided.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the illustrations provided in the following embodiments merely illustrate the basic idea of the present invention by way of illustration, and the following embodiments and features in the embodiments may be combined with each other without conflict.
Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to limit the invention; for the purpose of better illustrating embodiments of the invention, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated 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 numbers in the drawings of embodiments of the invention correspond to the same or similar components; in the description of the present invention, it should be understood that, if there are terms such as "upper", "lower", "left", "right", "front", "rear", etc., that indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but not for indicating or suggesting that the referred device or element must have a specific azimuth, be constructed and operated in a specific azimuth, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and should not be construed as limiting the present invention, and that the specific meaning of the above terms may be understood by those of ordinary skill in the art according to the specific circumstances.
Example 1
The immersed tube tunnel is shown in fig. 1-9, two symmetrical traffic lanes 2 are arranged in the immersed tube tunnel 1, an escape channel 3 and a smoke discharging channel 4 are arranged in the immersed tube tunnel 1 and positioned between the two traffic lanes 2, the escape channel 3 is positioned below the smoke discharging channel 4, one sides of the two traffic lanes 2, which are close to each other, are provided with a plurality of first smoke discharging ports 7, a first metal frame 44 is fixedly connected in the first smoke discharging ports 7 through bolts, the first rotating shaft 9 and the smoke discharging valve 10 can be protected through the first metal frame 44, the first smoke discharging ports 7 are all communicated with the smoke discharging channel 4, a smoke discharging component for discharging smoke is arranged in the first smoke discharging ports 7, and the inner wall of the top of the first smoke discharging port 7 is fixedly connected with a smoke concentration sensor 48 through bolts, so that the smoke concentration entering the first smoke discharging ports 7 can be detected through the smoke concentration sensor 48.
The inner wall of the bottom of the escape channel 3 is provided with a plurality of groups of moving components for enabling disaster-stricken personnel to quickly separate from a fire source, the inner wall of one side of the traffic lane 2, which is close to the escape channel 3, is provided with a plurality of groups of escape components for escaping, the inner wall of the top of the traffic lane 2 is equidistantly provided with a plurality of flame detectors 5 and temperature-sensitive fire detectors 16, the inner wall of the top of the traffic lane 2 is equidistantly provided with a jet fan 8, the jet fan 8 is arranged right above the running of vehicles in the traffic lane 2, and the jet fan 8 plays a role of inducing airflow. The inner wall of one side of the lane 2 far away from the smoke exhaust channel 4 is fixedly connected with a plurality of cameras 49 through bolts, and the track and fire details of fire smoke spreading can be monitored in real time through the cameras 49, the flame detector 5 and the temperature-sensitive fire detector 16. The smoke concentration sensor 48 can detect the concentration of smoke in the smoke discharging channel 4, predicts fire and smoke according to the track of smoke spreading, fire details and the concentration of smoke, provides reference for the subsequent rescue scheme, two rotating shafts 17 which are symmetrical in multiple groups are longitudinally and rotationally connected in the smoke discharging channel 4, the outer wall of each rotating shaft 17 is fixedly connected with a plurality of wind gathering plates 18 through bolts, and a plurality of first smoke discharging fans 6 are equidistantly arranged on the inner wall of the top of the smoke discharging channel 4.
According to the invention, the smoke exhaust assembly comprises a plurality of first rotating shafts 9 which are rotatably connected in a first smoke exhaust port 7, a smoke exhaust valve 10 and a first gear 11 are fixedly sleeved on the outer wall of each first rotating shaft 9, a placing groove 12 is formed in the inner wall of one side of each first smoke exhaust port 7, a driving motor 13 is fixedly connected to the inner wall of one side of each placing groove 12 through bolts, a second gear 14 is fixedly connected to the output shaft of each driving motor 13, the second gears 14 are in transmission connection with the first gears 11 through flexible racks 15, the top jet fans 8 of the travelling ways 2 can induce air flow in tunnels, the driving motors 13 are started to drive the second gears 14 to rotate, the second gears 14 drive the first gears 11 and the first rotating shafts 9 to rotate through the flexible racks 15, the rotation 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 source is closer, and the smoke exhaust efficiency of the plurality of first smoke exhaust ports 7 is improved.
In the invention, the escape assembly comprises a stairwell 19 arranged on one side inner wall of a travelling lane 2 close to an escape passage 3, the stairwell 19 is communicated with the escape passage 3, an escape stairwell 20 is arranged on the bottom inner wall of the stairwell 19, a second smoke outlet 41 is arranged on the top inner wall of the stairwell 19, a smoke exhaust pipe 42 communicated with the smoke exhaust passage 4 is arranged on the top inner wall of the second smoke outlet 41, and a second smoke exhaust fan 43 is arranged in the second smoke outlet 41.
According to the invention, the moving assembly comprises a rectangular groove 21 arranged on the inner wall of the bottom of an escape channel 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 a staircase conveying belt 28, two symmetrical rotating grooves 24 are arranged on the inner wall of the bottom of the escape channel 3, the bottom ends of the two symmetrical rotating shafts 17 respectively extend into the rotating grooves 24 and are rotatably connected with the inner wall of the rotating grooves 24, a first bevel gear 25 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 fixedly connected with a second bevel gear 26, the second bevel gear 26 is meshed with the first bevel gear 25, wind power generated by a first smoke exhaust fan 6 can drive the wind-collecting plate 18 and the rotating shafts 17 to rotate, the first roller 23 drives the second roller 27 to rotate through the staircase conveying belt 28, and as a result, passengers in the lane 2 can quickly enter the corresponding position of the staircase conveying belt 28 and are separated from the corresponding fire-fighting station 19 through the first roller belt 28, and the fire-fighting station 19 is further driven by the corresponding fire-fighting station 19.
In the present invention, the second metal frame 47 positioned below the second smoke exhaust fan 43 is fixedly connected to the second smoke exhaust port 41 by bolts, and the second smoke exhaust fan 43 can be protected by 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 contacted 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, a driving motor 13, a jet fan 8 and a first smoke exhaust fan 6 are all electrically connected with a flame detector 5, and when the flame detector 5 detects a fire, the driving motor 13 is started to drive a smoke exhaust valve 10 to rotate.
Example two
As a further improvement of the previous embodiment, as shown in fig. 1-10, a immersed tube tunnel convenient for uniform smoke evacuation and personnel escape is provided with two symmetrical traffic lanes 2 in the immersed tube tunnel 1, an escape channel 3 and a smoke evacuation channel 4 between the two traffic lanes 2 are provided in the immersed tube tunnel 1, the escape channel 3 is located below the smoke evacuation channel 4, one side of the two traffic lanes 2, which is close to each other, is provided with a plurality of first smoke outlets 7, a first metal frame 44 is fixedly connected in the first smoke outlets 7 through bolts, the first rotating shaft 9 and the smoke evacuation valve 10 can be protected through the first metal frame 44, the plurality of first smoke outlets 7 are all communicated with the smoke evacuation channel 4, a smoke evacuation component for fume evacuation is provided in the first smoke outlets 7, and the top inner wall of the first smoke outlets 7 is fixedly connected with a smoke concentration sensor 48 through bolts, so that the smoke concentration entering the first smoke outlets 7 can be detected through the smoke concentration sensor 48.
The inner wall of the bottom of the escape channel 3 is provided with a plurality of groups of moving components for enabling disaster-stricken personnel to quickly separate from a fire source, the inner wall of one side of the traffic lane 2, which is close to the escape channel 3, is provided with a plurality of groups of escape components for escaping, the inner wall of the top of the traffic lane 2 is equidistantly provided with a plurality of flame detectors 5 and temperature-sensitive fire detectors 16, the inner wall of the top of the traffic lane 2 is equidistantly provided with a jet fan 8, the jet fan 8 is arranged right above the running of vehicles in the traffic lane 2, and the jet fan 8 plays a role of inducing airflow. The inner wall of one side of the lane 2 far away from the smoke exhaust channel 4 is fixedly connected with a plurality of cameras 49 through bolts, and the track and fire details of fire smoke spreading can be monitored in real time through the cameras 49, the flame detector 5 and the temperature-sensitive fire detector 16. The smoke concentration sensor 48 can detect the concentration of smoke in the smoke discharging channel 4, predicts fire and smoke according to the track of smoke spreading, fire details and the concentration of smoke, provides reference for the subsequent rescue scheme, two rotating shafts 17 which are symmetrical in multiple groups are longitudinally and rotationally connected in the smoke discharging channel 4, the outer wall of each rotating shaft 17 is fixedly connected with a plurality of wind gathering plates 18 through bolts, and a plurality of first smoke discharging fans 6 are equidistantly arranged on the inner wall of the top of the smoke discharging channel 4.
According to the invention, the smoke exhaust assembly comprises a plurality of first rotating shafts 9 which are rotatably connected in a first smoke exhaust port 7, a smoke exhaust valve 10 and a first gear 11 are fixedly sleeved on the outer wall of each first rotating shaft 9, a placing groove 12 is formed in the inner wall of one side of each first smoke exhaust port 7, a driving motor 13 is fixedly connected to the inner wall of one side of each placing groove 12 through bolts, a second gear 14 is fixedly connected to the output shaft of each driving motor 13, the second gears 14 are in transmission connection with the first gears 11 through flexible racks 15, the top jet fans 8 of the travelling ways 2 correspond to the first smoke exhaust ports 7, the driving motors 13 are started to drive the second gears 14 to rotate, the second gears 14 drive the first gears 11 and the first rotating shafts 9 to rotate through the flexible racks 15, the rotation angle of the smoke exhaust valve 10 can be controlled, the opening angle of the smoke exhaust valve 10 is increased when the smoke exhaust is closer to a fire source, and the smoke exhaust efficiency of the plurality of first smoke exhaust ports 7 is improved.
In the invention, the escape assembly comprises a stairwell 19 arranged on one side inner wall of a travelling lane 2 close to an escape passage 3, the stairwell 19 is communicated with the escape passage 3, an escape stairwell 20 is arranged on the bottom inner wall of the stairwell 19, a second smoke outlet 41 is arranged on the top inner wall of the stairwell 19, a smoke exhaust pipe 42 communicated with the smoke exhaust passage 4 is arranged on the top inner wall of the second smoke outlet 41, and a second smoke exhaust fan 43 is arranged in the second smoke outlet 41.
According to the invention, the moving assembly comprises a rectangular groove 21 arranged on the inner wall of the bottom of an escape channel 3, a rotating rod 22 and a second roller 27 are rotationally 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 a staircase conveying belt 28, two symmetrical rotating grooves 24 are arranged on the inner wall of the bottom of the escape channel 3, the bottom ends of the two symmetrical rotating shafts 17 respectively extend into the rotating grooves 24 and are rotationally connected with the inner wall of the rotating grooves 24, a first bevel gear 25 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 fixedly connected with a second bevel gear 26, the second bevel gear 26 is meshed with the first bevel gear 25, wind power generated by a first smoke exhaust fan 6 can drive the wind-collecting plate 18 and the rotating shafts 17 to rotate through the rotating shafts 17, the first roller 23 drive the second roller 27 to rotate through the staircase conveying belt 28, and as a result, passengers in the lane 2 can rapidly enter the corresponding position of the staircase conveying belt 28 and are separated from the corresponding fire station 19 through the first bevel gear 25, and the corresponding fire station 19 can be separated from the position of the fire station 19 in the corresponding position of the escalator conveying belt 28.
In the present invention, the second metal frame 47 positioned below the second smoke exhaust fan 43 is fixedly connected to the second smoke exhaust port 41 by bolts, and the second smoke exhaust fan 43 can be protected by 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 contacted 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, a driving motor 13, a jet fan 8 and a first smoke exhaust fan 6 are all electrically connected with a flame detector 5, and when the flame detector 5 detects a fire, the driving motor 13 is started to drive a smoke exhaust valve 10 to rotate.
In the invention, a plurality of groups of symmetrical two grooves 29 are arranged on the top inner wall of a lane 2, a second rotating shaft 30 is rotationally connected in each groove 29, connecting plates 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 the same pipeline 33, a plurality of communicated electromagnetic spray guns 34 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 symmetrical two annular grooves 36 are arranged on the top inner wall of the smoke exhaust channel 4, the top end of the rotating shaft 17 is rotationally connected with the top inner wall 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 rotationally connected on the inner wall of one side of the annular groove 36 close to the groove 29, a second bevel gear 39 meshed with the first bevel gear 37 is fixedly connected on the other end of the round rod 38, the end of the round bar 38 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 bar 38, the two incomplete gears 40 are respectively positioned in the two grooves 29, the third gear 32 is meshed with the incomplete gears 40, when the wind collecting 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 bar 38 to rotate through the first bevel gear 37 and the second bevel gear 39, the third gear 32 is meshed with the incomplete gears 40, the incomplete gears 40 drive the second rotating shaft 30 to rotate with the connecting plate 31 through the third gear 32, after the incomplete gears 40 are disengaged with the third gear 32, the connecting plate 31 and the pipeline 33 reversely rotate under the self gravity factor until the incomplete gears 40 are meshed with the third gear 32 again, and then pipeline 33 begins reciprocal rotation, and electromagnetic gun 34 can put out a fire to the fire source of maximum area along with the rotation of pipeline 33, reduces the expansion of fire source, fights for the follow-up rescue army and gets valuable time.
The advantages of the embodiment over the first embodiment are: the top inner wall of the lane 2 is provided with a plurality of groups of symmetrical two grooves 29, the two grooves 29 are internally and respectively rotationally connected with a second rotating shaft 30, the outer walls of the two second rotating shafts 30 are respectively and 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 the same pipeline 33, the bottom of the pipeline 33 is provided with a plurality of electromagnetic spray guns 34 which are communicated with each other, one end of the pipeline 33, far away from the smoke discharging channel 4, is provided with a hose 35 which is communicated with each other, the top inner wall of the smoke discharging channel 4 is provided with a plurality of groups of symmetrical two annular grooves 36, the top end of the rotating shaft 17 is rotationally connected with the top inner wall of the annular groove 36, the outer wall of the rotating shaft 17 is fixedly sleeved with a first bevel gear 37 which is positioned in the annular groove 36, one side inner wall of the annular groove 36, close to the groove 29 is rotationally connected with a round rod 38, the other end of the round rod 38 is fixedly connected with a second bevel gear 39 which is meshed with the first bevel gear 37, one end of the round rod 38, the outer wall of the round rod 38 is rotationally penetrated through the two grooves 29, the outer wall of the round rod 38 is fixedly sleeved with two incomplete gears 40, the two incomplete gears 40 are respectively positioned in the two grooves 29, and the third bevel gears 40 are meshed with the incomplete gears 40.
The flame detector 5 detects fire occurrence, and determines the fire source position, the temperature in the tunnel is sensed through the temperature sensing fire detector 16 of corresponding position, be used for judging the size of fire source, according to the size and the position of fire source, the quantity that driving motor 13 opened is adjusted, driving motor 13 drives second gear 14 rotation, second gear 14 drives first gear 11 and first pivot 9 through flexible rack 15 and rotates, and then can control fume valve 10 pivoted angle, fume valve 10 opening angle is the trend of diminishing gradually, the nearer fume valve 10 opening angle is bigger from the fire source, jet fan 8 is with the induced control of flue gas in the tunnel longitudinal one section distance, because fume valve 10 opening angle is the trend of changing gradually, consequently, can realize that a plurality of first fume ports 7 evenly discharge fume.
The smoke in the travelling lane 2 is discharged into the smoke discharging channel 4 under the action of the jet fan 8 and the smoke discharging fans, the smoke in the smoke discharging channel 4 is guided by the first smoke discharging fan 6 until being discharged, wind force is generated in the smoke guiding process of the smoke discharging channel 4 by the starting of the first smoke discharging fan 6, the wind force generated by the first smoke discharging fan 6 can push the wind collecting 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 staircase conveying belt 28, and disaster-stricken personnel in the travelling lane 2 quickly enter the staircase 19 due to fire in the travelling lane 2, enter the escape channel 3 through the escape staircase 20 and stand on the staircase conveying belt 28, the cooperation of the first roller 23 and the second roller 27 drives the staircase conveying belt 28 to rotate, and accordingly fire-stricken personnel standing on the staircase conveying belt 28 can quickly move to a fire source position away from the corresponding staircase 19 and keep away from the middle of the danger source position.
When the wind collecting 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 bar 38 to rotate through the first bevel gear 37 and the second bevel gear 39, the third gear 32 and the incomplete gear 40 are meshed, and then the incomplete gear 40 drives the second rotating shaft 30 to rotate with the connecting plate 31 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 the pipeline 33 starts to reciprocally rotate, the electromagnetic spray gun 34 can extinguish the fire with the largest area along with the rotation of the pipeline 33, reduce the expansion of the fire, fight for subsequent rescue forces for valuable time, in addition, when a fire happens, the camera 49, the flame detector 5 and the temperature-sensitive fire detector 16 can monitor the track and fire details of the fire smoke spreading in real time, the smoke concentration sensor 48 can detect the concentration of the smoke, forecast the fire and the smoke according to the track of the smoke spreading, the fire details and the concentration of the smoke, and provide reference for subsequent rescue schemes.
The opening angle of the smoke exhaust valve 10 gradually decreases, and the opening angle of the smoke exhaust valve 10 increases as the smoke source is closer, so that the principle of uniformly exhausting smoke through a plurality of first smoke outlets 7 can be realized according to the fire smoke flow analysis and full-scale test of a uniform air volume concentrated smoke exhaust tunnel.
However, the operation principle and wiring method of the flame detector 5, the temperature-sensitive fire detector 16, the camera 49, the first smoke exhaust fan 6, the second smoke exhaust 41, the jet fan 8, the driving motor 13, the smoke concentration sensor 48 and the electromagnetic spray gun 34, as known to those skilled in the art, are conventional means or common general knowledge in the art, and will not be described herein, so that those skilled in the art can perform any choice according to their needs or convenience.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the present invention, which is intended to be covered by the claims of the present invention.
Claims (6)
1. The immersed tube tunnel convenient for uniform smoke evacuation and personnel escape 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 evacuation passage (4) are arranged in the immersed tube tunnel (1), the escape passage (3) is arranged below the smoke evacuation passage (4), a plurality of first smoke outlets (7) are arranged on one sides of the traffic lanes (2) which are close to each other, the plurality of first smoke outlets (7) are communicated with the smoke evacuation passage (4), smoke evacuation assemblies used for exhausting smoke are arranged in the first smoke outlets (7), a plurality of groups of moving assemblies used for enabling disaster-stricken personnel to quickly escape from a fire scene are arranged on the inner wall at the bottom of the escape passage (3), a plurality of groups of escape assemblies used for enabling disaster-stricken personnel to quickly escape from the fire scene are arranged on the inner wall of one side of the traffic lane (2), a plurality of flame detectors (5) and a plurality of temperature sensing detectors (16) are equidistantly arranged on the inner wall of the top of the escape passage (2), a plurality of fire detectors (17) are fixedly connected with a plurality of longitudinal air pick-up plates (17) on one side of the escape passage (4), a plurality of the smoke evacuation plates (17) are fixedly connected with one side of the smoke evacuation passages (17), a plurality of first smoke exhaust fans (6) are equidistantly arranged on the inner wall of the top of the smoke exhaust channel (4);
the smoke exhaust assembly comprises a plurality of first rotating shafts (9) which are rotationally connected in a first smoke exhaust port (7), a smoke exhaust valve (10) and a first gear (11) are fixedly sleeved on the outer wall of the first rotating shafts (9), a holding groove (12) is formed in the inner wall of one side of the first smoke exhaust port (7), a driving motor (13) is fixedly connected to the inner wall of one side of the holding groove (12), a second gear (14) is fixedly connected to an output shaft of the driving motor (13), the second gear (14) is in transmission connection with the first gear (11) through a soft rack (15), a jet fan (8) is fixedly connected to the inner wall of the top of the immersed tube tunnel (1) through a fixing rod, and the driving motor (13), the jet fan (8) and the first smoke exhaust fan (6) are all electrically connected with a flame detector (5);
The escape assembly comprises a stairwell (19) arranged on one side inner wall of the travelling lane (2) close to the escape passage (3), the stairwell (19) is communicated with the escape passage (3), an escape stairwell (20) is arranged on the bottom inner wall of the stairwell (19), a second smoke outlet (41) is arranged on the top inner wall of the stairwell (19), a smoke exhaust pipe (42) communicated with the smoke exhaust passage (4) is arranged on the top inner wall of the second smoke outlet (41), and a second smoke exhaust fan (43) is arranged in the second smoke outlet (41);
The utility model provides a movable assembly is including setting up rectangular channel (21) at escape channel (3) bottom inner wall, rectangular channel (21) internal rotation is connected with dwang (22) and second cylinder (27), the fixed cover of outer wall of dwang (22) is equipped with first cylinder (23), the outside of first cylinder (23) and second cylinder (27) is passed through staircase conveyer belt (28) transmission and is connected, escape channel (3) bottom inner wall is equipped with two symmetrical rotary channel (24), two symmetrical the bottom of axis of rotation (17) extends respectively in rotary channel (24) and rotates with rotary channel (24) bottom inner wall and be connected, the fixed cover of outer wall of axis of rotation (17) is equipped with first bevel gear (25) that are located rotary channel (24), the both ends of dwang (22) extend respectively in corresponding rotary channel (24) and all fixedly connected with second bevel gear (26), and second bevel gear (26) and first bevel gear (25) mesh mutually.
2. The immersed tube tunnel for facilitating uniform smoke evacuation and personnel escape as claimed in claim 1, wherein a first metal frame (44) is fixedly connected in the first smoke outlet (7).
3. The immersed tube tunnel for facilitating uniform smoke evacuation and personnel escape as claimed in claim 1, wherein a second metal frame (47) positioned below the second smoke evacuation fan (43) is fixedly connected in the second smoke evacuation port (41).
4. The immersed tube tunnel convenient for uniform smoke evacuation and personnel escape according to claim 1, wherein a smoke concentration sensor (48) is fixedly connected to the top inner wall of the first smoke outlet (7), and the smoke concentration sensor (48) is positioned between the smoke evacuation valve (10) and the jet fan (8).
5. The immersed tube tunnel convenient for uniform smoke evacuation and personnel escape according to claim 1, wherein a supporting plate (45) penetrating through the escalator conveying belt (28) is fixedly connected in the rectangular groove (21), a plurality of rotating columns (46) are rotatably connected in the supporting plate (45), and the tops of the rotating columns (46) are contacted with the inner wall of the top of the escalator conveying belt (28).
6. The immersed tube tunnel convenient for uniform smoke evacuation and personnel escape according to claim 1, wherein a plurality of groups of symmetrical two grooves (29) are arranged on the top inner wall of the travelling way (2), a second rotating shaft (30) is rotationally connected in each groove (29), a connecting plate (31) and a third gear (32) are fixedly connected to the outer wall of each second rotating shaft (30), the bottom ends of the two connecting plates (31) are fixedly connected with the same pipeline (33), a plurality of electromagnetic spray guns (34) which are communicated are arranged at the bottom of the pipeline (33), a hose (35) which is communicated is arranged at one end of the pipeline (33) far away from the smoke evacuation channel (4), a plurality of groups of symmetrical two annular grooves (36) are arranged on the top inner wall of the smoke evacuation channel (4), the top end of the rotating shaft (17) is rotationally connected with the top inner wall of the annular groove (36), a first bevel gear (37) which is positioned in the annular groove (36) is fixedly sleeved on the outer wall of the rotating shaft (17), a side inner wall of the connecting plate (31) which is close to the groove (29) is rotationally connected with a plurality of electromagnetic spray guns (34), a circular bevel gear (38) which is rotationally connected with the other end of the annular groove (38) which is rotationally meshed with the annular groove (38), the outer wall of the round rod (38) is fixedly sleeved with two incomplete gears (40), the two incomplete gears (40) are respectively located in the two grooves (29), and the third gear (32) is meshed with the incomplete gears (40).
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| CN202210260530.4A CN114592542B (en) | 2022-03-16 | 2022-03-16 | Immersed tube tunnel convenient to evenly smoke evacuation and personnel escape |
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| CN202210260530.4A CN114592542B (en) | 2022-03-16 | 2022-03-16 | Immersed tube tunnel convenient to evenly smoke evacuation and personnel escape |
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