CN107060865A - The totally-enclosed gate auxiliary smoke exhaust system of track traffic - Google Patents
The totally-enclosed gate auxiliary smoke exhaust system of track traffic Download PDFInfo
- Publication number
- CN107060865A CN107060865A CN201710294432.1A CN201710294432A CN107060865A CN 107060865 A CN107060865 A CN 107060865A CN 201710294432 A CN201710294432 A CN 201710294432A CN 107060865 A CN107060865 A CN 107060865A
- Authority
- CN
- China
- Prior art keywords
- valve block
- valve
- air
- fixation fork
- shaft bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000779 smoke Substances 0.000 title claims abstract description 26
- 238000000605 extraction Methods 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 238000012790 confirmation Methods 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/003—Ventilation of traffic tunnels
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/04—Air ducts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/08—Ventilation arrangements in connection with air ducts, e.g. arrangements for mounting ventilators
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/10—Air doors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Air-Flow Control Members (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a kind of totally-enclosed gate auxiliary smoke exhaust system of track traffic.It includes heat extraction air channel, air holes, and the heat extraction air channel is arranged at directly over train, and the air holes is arranged on the side wall adjacent with platform public area of the heat extraction air channel；Air-valve equipment is installed in the air holes；The air-valve equipment includes air-valve housing, shaft bearing fixed seat, shaft bearing, valve block rotating shaft, valve block, actuator, and the valve block rotating shaft, valve block, actuator are located at the outer inframe of the air-valve；Shaft bearing fixed seat is fixedly connected on the air-valve housing upper surface, and shaft bearing is installed in the shaft bearing fixed seat, and the valve block rotating shaft is installed in the shaft bearing, and valve block is fixedly connected in the valve block rotating shaft；The valve block lower end sets square breach, and actuator is arranged in the square breach.Avoid opening gate during with fire, and smoke evacuation effect, reliable, the with low cost advantage of structure can be played in the very first time that fire occurs.
Description
Technical field
The present invention relates to track traffic field of ventilation equipment, more specifically it is the totally-enclosed gate auxiliary of track traffic
Smoke evacuation system.
Background technology
It is existing《Metro design code》Provided in (GB 50157-2013)：Station is should ensure that when fire occurs for station platform
The Room has to stair and staircase mouthful place of platform can effectively prevent the air-flow that flue gas is crept up, and downdraught speed is not answered
Less than 1.5m/s.To meet code requirement, circuit has been opened at present and has generally been discharged fume using tunnel blower, exhaust fan auxiliary, by
Totally-enclosed gate is typically used in current underground station, therefore tunnel blower, exhaust fan also need to open the first fan after opening
Gate is fanned with last, the path discharged as flue gas, fire and smoke spread during due to fire, sight is poor, opened after gate
There is the risk that passenger falls, and need manual confirmation station will not be again by the way that gate could be opened after train, during fire during fire
Fire and smoke spread is rapid, and gate can not be opened immediately to be delayed disaster relief opportunity, increase casualties.
The content of the invention
It is an object of the invention to provide a kind of totally-enclosed gate auxiliary smoke exhaust system of track traffic, it can be avoided out during fire
Gate is opened, and smoke evacuation can be played in the very first time that fire occurs and is acted on, structure is reliable, with low cost.
To achieve these goals, the technical scheme is that：The totally-enclosed gate auxiliary smoke exhaust system of track traffic,
Including heat extraction air channel, air holes, the heat extraction air channel is arranged at directly over train, it is characterised in that：The air holes is arranged at described
On the side wall adjacent with platform public area of heat extraction air channel；Air-valve equipment is installed in the air holes；The air-valve equipment includes wind
Valve housing, shaft bearing fixed seat, shaft bearing, valve block rotating shaft, valve block, actuator, the shaft bearing fixed seat, rotating shaft axle
Hold, valve block rotating shaft, valve block, actuator are located at the outer inframe of the air-valve；The shaft bearing fixed seat is fixedly connected on the wind
Valve housing upper surface, the shaft bearing is installed in the shaft bearing fixed seat, and the valve block rotating shaft is installed on described turn
In axle bearing, the valve block is fixedly connected in valve block rotating shaft；Valve block opens both ends of the spring and connects the valve block respectively and described
Air-valve housing upper surface；The valve block lower end sets square breach, and actuator is arranged in the square breach and positioned at described
In the middle part of air-valve housing lower surface.
In the above-mentioned technical solutions, shaft bearing is stainless steel shaft bearing；Valve block is aluminium alloy valve block.Make air-valve equipment
It is swift in motion reliable.
In the above-mentioned technical solutions, the actuator include valve block fixation fork, actuator shell, the rotating shaft of valve block fixation fork,
Air-valve binding post, electromagnet, tenon back-moving spring, tenon, valve block fixation fork back-moving spring, reset steel wire rope, valve block fixation fork
Limited post, the valve block fixation fork rotating shaft, electromagnet, tenon back-moving spring, tenon, valve block fixation fork back-moving spring, valve block are solid
Fixed fork limited post is respectively positioned in the actuator shell, and the valve block fixation fork lower end is located in the actuator shell, upper end
Stretch out the actuator shell upper end and below the valve block, the valve block fixation fork upper end is in concave shape, the valve block
Fixation fork upper end open is more than the throttle slice thickness；The electromagnet is arranged on the actuator shell lower surface, the card
Bamboo shoot back-moving spring upper and lower ends connect the tenon and the electromagnet respectively, and the tenon is arranged under the valve block fixation fork
In the wedge-shaped slot at end, the valve block fixation fork back-moving spring two ends connect the actuator side wall of outer shell respectively and the valve block is solid
Fixed fork lower end；The valve block fixation fork bottom is crossed in the valve block fixation fork rotating shaft, and described air-valve binding post one end is connected to institute
State on electromagnet and the other end stretches out the actuator side wall of outer shell；Described reset steel wire rope one end is connected to the valve block and consolidated
In fixed fork and the other end stretches out the actuator side wall of outer shell；The valve block fixation fork limited post is arranged at the valve block and fixed
Pitch above rotating shaft side.The very first time occurred in fire can play smoke evacuation effect, and structure is reliable.
The invention has the advantages that：
(1) present invention can play the auxiliary smoke evacuation effect of tunnel blower, exhaust fan, can avoid opening platform during fire
Door, and smoke evacuation effect can be played in the very first time of fire generation, structure is reliable；It can avoid opening in current smoke evacuation system
Passenger after gate fall risk and manual confirmation station will not again by train when smoke evacuation time for wasting；
(2) it is reserved when air holes is civil engineering, hardly increase cost；Air-valve equipment cost is cheap, reliable in action, without dimension
Shield；
(3) air holes is set to connect platform public area with rail top row air channel, connectivity part, which installs air-valve equipment, to be used for common
The connection of platform public area and rail top row air channel is turned off under operating mode, platform public area and rail top row air channel are opened under fire working
Connection, to aid in platform public area discharging fume using subway station inner tunnel blower fan and exhaust fan；Performed in air-valve equipment
The power source that the action of device is acted not as valve block, air-valve equipment possesses low starting current, the feature of high reliability；Air-valve equipment
Possess the feature of non-electricity driving, be provided with shaft bearing at valve block rotating shaft, the power resources of air-valve action in mechanical spring,
Air-valve is swift in motion reliably.
Brief description of the drawings
Fig. 1 is existing typical subway station cross section structure schematic diagram.
Fig. 2 is cross section structure schematic diagram in subway station of the present invention.
Fig. 3 is air-valve equipment axle geodesic structure schematic diagram of the present invention.
Fig. 4 is Fig. 3 A-A cross-sectional views.
Fig. 5 is Fig. 3 B-B cross-sectional views.
Fig. 6 is shaft bearing fixed seat structure schematic diagram of the present invention.
Fig. 7 is actuator structure schematic diagram of the present invention.
Fig. 8 is the A-A cross-sectional views of Fig. 3 after air-valve opening of device of the present invention.
Fig. 9 is the B-B cross-sectional views of Fig. 3 after air-valve opening of device of the present invention.
Fig. 3 A-A cross-sectional views when Figure 10 is air-valve device reset of the present invention.
1- air-valves housing in figure, 2- shaft bearing fixed seats, 3- shaft bearings, 4- valve block rotating shafts, 5- valve blocks, 6- valve blocks are consolidated
Fixed fork, 7- actuator shells, 8- valve block fixation fork rotating shafts, 9- air-valve binding posts, 10- electromagnet, 11- tenon back-moving springs, 12-
Tenon, 13- valve block fixation fork back-moving springs, 14- resets steel wire rope, and 15- valve block fixation fork limited posts, 16- valve blocks open spring,
17- heat extractions air channel, 18- air holes, 19- air-valve equipment, 20- actuators.
Embodiment
The performance that the invention will now be described in detail with reference to the accompanying drawings, but they do not constitute limitation of the invention, only
It is for example.Make advantages of the present invention more clear by explanation simultaneously and be readily appreciated that.
Understood refering to accompanying drawing：The totally-enclosed gate auxiliary smoke exhaust system of track traffic, including heat extraction air channel 17, air holes 18,
The heat extraction air channel 17 is arranged at directly over train, it is characterised in that：The air holes 18 is arranged at the heat extraction air channel 17 and station
On the adjacent side wall in platform public area, (as shown in Figure 2)；Air-valve equipment 19 is installed in the air holes 18；The air-valve equipment 19
Including air-valve housing 1, shaft bearing fixed seat 2, shaft bearing 3, valve block rotating shaft 4, valve block 5, actuator 20, the shaft bearing
Fixed seat 2, shaft bearing 3, valve block rotating shaft 4, valve block 5, actuator 20 are located in the air-valve housing 1；The shaft bearing is consolidated
Reservation 2 is connected to the upper surface of air-valve housing 1, and the shaft bearing 3 is installed in the shaft bearing fixed seat 2, described
Valve block rotating shaft 4 is installed in the shaft bearing 3, and the valve block 5 is fixedly connected in the valve block rotating shaft 4；Valve block is around described
Valve block rotating shaft rotates, and can be turned on and off valve；
Valve block opens the two ends of spring 16 and connects the valve block 5 and the upper surface of air-valve housing 1 respectively；Under the valve block 5
End sets square breach (as shown in Fig. 3, Fig. 9), and actuator 20 is arranged in the square breach and positioned at the air-valve housing
In the middle part of 1 lower surface.
Shaft bearing 3 is stainless steel shaft bearing；Valve block 5 is aluminium alloy valve block.
The actuator 20 include valve block fixation fork 6, actuator shell 7, valve block fixation fork rotating shaft 8, air-valve binding post 9,
Electromagnet 10, tenon back-moving spring 11, tenon 12, valve block fixation fork back-moving spring 13, reset steel wire rope 14, valve block fixation fork limit
Position post 15, the valve block fixation fork rotating shaft 8, electromagnet 10, tenon back-moving spring 11, tenon 12, valve block fixation fork back-moving spring
13rd, valve block fixation fork limited post 15 is respectively positioned in the actuator shell 7, and the lower end of valve block fixation fork 6 is located at described perform
Device shell 7 is interior, the upper end of actuator shell 7 is stretched out in upper end and is located at the lower section of valve block 5, the upper end of valve block fixation fork 6
In concave shape, the upper end open of valve block fixation fork 6 is more than the thickness of valve block 5；The electromagnet 10 is arranged at the execution
On the lower surface of device shell 7, the upper and lower ends of tenon back-moving spring 11 connect the tenon 12 and the electromagnet 10, institute respectively
State tenon 12 to be arranged in the wedge-shaped slot of the lower end of valve block fixation fork 6, the two ends of valve block fixation fork back-moving spring 13 difference
Connect the side wall of actuator shell 7 and the lower end of valve block fixation fork 6；The valve block is crossed in the valve block fixation fork rotating shaft 8
The bottom of fixation fork 6, valve block fixation fork can fix valve block, shutoff valve around valve block fixation fork axis of rotation when valve block fixation fork is upright
Door；
Described one end of air-valve binding post 9 is connected on the electromagnet 10 and the other end stretches out the side of actuator shell 7
Wall；Described reset steel wire rope 14 one end is connected on the valve block fixation fork 6 and the other end stretches out the side of actuator shell 7
Wall；The valve block fixation fork limited post 15 is arranged above the side of valve block fixation fork rotating shaft 8 (such as Fig. 4, Fig. 5, Fig. 6, Fig. 7 institute
Show).
The course of work of the totally-enclosed gate auxiliary smoke exhaust system of track traffic of the present invention is as follows：By electromagnetism ironworker
DC24V is chosen to be as voltage, each air-valve equipment 19 uses same control cabinet, and control cabinet can receive automatic fire alarm system and send
Fire signal, and export the electromagnet action in each air-valve equipment 19 of 24V DC powereds, open air-valve equipment 19, pass through
Air holes 18 connects platform public area and tunnel, tunnel blower, exhaust fan is played the effect of auxiliary smoke evacuation；During fire, platform
Door is remained turned-off, and flue gas enters heat extraction air channel 17 by air holes 18, and a part is discharged by heat extraction air channel 17 by exhaust fan, and one
Part enters tunnel by the air holes of heat extraction air channel bottom surface, after discharged by tunnel blower.
The air-valve equipment course of work of the present invention is as follows：When need to open air-valve equipment, electricity when air-valve equipment 19 is powered
Magnet 10 attracts tenon 12 to move down, compression tenon back-moving spring 11, discharges the limitation to valve block fixation fork 6, valve block fixation fork 6 exists
Rotated under the traction of valve block fixation fork back-moving spring 13 around valve block fixation fork rotating shaft 8, valve block 5 opens the traction of spring 16 in valve block
Under rotated around valve block rotating shaft 4, Open valve (as shown in Figure 8, Figure 9)；When need to close air-valve equipment, be manually retracted by valve block 5 to hang down
Straight position, pulls the reset steel wire rope 14 on actuator 20, and valve block fixation fork 6 rises, fixed valve block 5, while tenon 12 limits valve
The movement (as shown in Figure 10) of piece fixation fork 6, closes valve.
In order to more clearly illustrate the totally-enclosed gate auxiliary smoke exhaust system of track traffic of the present invention with
Existing rail traffic platform layer smoke evacuation system is compared to being had the advantage that, staff has carried out both technical schemes pair
Than its comparing result such as following table：
As seen from the above table, the totally-enclosed gate auxiliary smoke exhaust system of track traffic of the present invention is handed over existing track
Logical station layer smoke evacuation system is compared, and gate need not be opened during fire, will not be again by train without manual confirmation station, can be
The very first time that fire occurs is to play smoke evacuation effect.
Other unaccounted parts belong to prior art.
Claims (3)
1. the totally-enclosed gate auxiliary smoke exhaust system of track traffic, including heat extraction air channel (17), air holes (18), the heat extraction air channel
(17) it is arranged at directly over train, it is characterised in that：The air holes (18) is arranged at the heat extraction air channel (17) and platform is public
On the adjacent side wall in area；Air-valve equipment (19) is installed in the air holes (18)；The air-valve equipment (19) includes air-valve housing
(1), shaft bearing fixed seat (2), shaft bearing (3), valve block rotating shaft (4), valve block (5), actuator (20), the shaft bearing
Fixed seat (2), shaft bearing (3), valve block rotating shaft (4), valve block (5), actuator (20) are located in the air-valve housing (1)；Institute
State shaft bearing fixed seat (2) and be fixedly connected on air-valve housing (1) upper surface, the shaft bearing (3) is installed on described
In shaft bearing fixed seat (2), the valve block rotating shaft (4) is installed in the shaft bearing (3), and the valve block (5) is fixed to be connected
It is connected on the valve block rotating shaft (4)；Valve block opens spring (16) two ends and connects the valve block (5) and the air-valve housing respectively
(1) upper surface；Valve block (5) lower end sets square breach, and actuator (20) is arranged in the square breach and positioned at institute
State in the middle part of air-valve housing (1) lower surface.
2. the totally-enclosed gate auxiliary smoke exhaust system of track traffic according to claim 1, it is characterised in that：Shaft bearing
(3) it is stainless steel shaft bearing；Valve block (5) is aluminium alloy valve block.
3. the totally-enclosed gate auxiliary smoke exhaust system of track traffic according to claim 2, it is characterised in that：Actuator
(20) valve block fixation fork (6), actuator shell (7), valve block fixation fork rotating shaft (8), air-valve binding post (9), electromagnet are included
(10), tenon back-moving spring (11), tenon (12), valve block fixation fork back-moving spring (13), reset steel wire rope (14), valve block are fixed
Pitch limited post (15), the valve block fixation fork rotating shaft (8), electromagnet (10), tenon back-moving spring (11), tenon (12), valve block
Fixation fork back-moving spring (13), valve block fixation fork limited post (15) are respectively positioned in the actuator shell (7), and the valve block is fixed
(6) lower end is pitched to be located at the interior actuator shell (7), upper end stretching actuator shell (7) upper end and be located under valve block (5)
Side, valve block fixation fork (6) upper end is in concave shape, and it is thick that valve block fixation fork (6) upper end open is more than the valve block (5)
Degree；The electromagnet (10) is arranged on actuator shell (7) lower surface, tenon back-moving spring (11) upper and lower ends
The tenon (12) and the electromagnet (10) are connected respectively, and the tenon (12) is arranged at valve block fixation fork (6) lower end
Wedge-shaped slot in, valve block fixation fork back-moving spring (13) two ends connect actuator shell (7) the side wall and described respectively
Valve block fixation fork (6) lower end；The valve block fixation fork rotating shaft (8) crosses valve block fixation fork (6) bottom, the air-valve wiring
Post (9) one end is connected on the electromagnet (10) and the other end stretches out actuator shell (7) side wall；The reset steel
Cord (14) one end is connected on the valve block fixation fork (6) and the other end stretches out actuator shell (7) side wall；It is described
Valve block fixation fork limited post (15) is arranged above valve block fixation fork rotating shaft (8) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710294432.1A CN107060865B (en) | 2017-04-28 | 2017-04-28 | Auxiliary smoke discharging system for rail transit totally-enclosed platform door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710294432.1A CN107060865B (en) | 2017-04-28 | 2017-04-28 | Auxiliary smoke discharging system for rail transit totally-enclosed platform door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107060865A true CN107060865A (en) | 2017-08-18 |
| CN107060865B CN107060865B (en) | 2023-05-26 |
Family
ID=59604214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710294432.1A Active CN107060865B (en) | 2017-04-28 | 2017-04-28 | Auxiliary smoke discharging system for rail transit totally-enclosed platform door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107060865B (en) |
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| Title |
|---|
| 郭建辉等: "沐若水电站通风空调与消防***设计", 《人民长江》 * |
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| Publication number | Publication date |
|---|---|
| CN107060865B (en) | 2023-05-26 |
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