CN107235410A - A kind of subway building staircase Smoke prevention plugging device and its implementation - Google Patents
A kind of subway building staircase Smoke prevention plugging device and its implementation Download PDFInfo
- Publication number
- CN107235410A CN107235410A CN201710619025.3A CN201710619025A CN107235410A CN 107235410 A CN107235410 A CN 107235410A CN 201710619025 A CN201710619025 A CN 201710619025A CN 107235410 A CN107235410 A CN 107235410A
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- Prior art keywords
- cloth
- smoke prevention
- staircase
- subway
- building
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B29/00—Safety devices of escalators or moving walkways
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/06—Physical fire-barriers
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Escalators And Moving Walkways (AREA)
Abstract
The invention discloses a kind of subway building staircase Smoke prevention plugging device and its implementation, mainly solve in the prior art, when fire occurs for station layer, flue gas spreads to station hall layer by building staircase mouthful, causes fire incident area to expand, the problems such as being unfavorable for rescue.The device includes support bar, it is laid on support bar and lateral edge and back edge buckles the Smoke prevention cloth on building escalator fence glass base, and be arranged on Smoke prevention cloth surface, the stretch cord for Smoke prevention cloth being pressed on building staircase, the Smoke prevention cloth includes the front end cloth, transfer cloth and rear end cloth for being fitted on support bar and pressing successively splicing.Support bar includes being connected across the auxiliary rod of subway building staircase side fence, and parallel to auxiliary rod and is connected across the bearing bar of subway building staircase side fence.The device can effectively suppress station layer flue gas and be spread to station hall layer, it is ensured that when station smoke control system, which can not be played, to have effect, station hall layer is not threatened by station layer fire smoke.
Description
Technical field
The present invention relates to technical field of fire control, especially a kind of subway building staircase Smoke prevention plugging device and its implementation.
Background technology
Subway station building staircase connection station layer and station hall layer, mainly including stair, elevator, fence, are set on fence
Transparent glass.It is different according to station flow of the people, a general settable elevator, stair, one stair of an elevator or
Two, the stair elevator of person one, its building staircase opening size has differences.Normal conditions, in the middle of subway station building staircase opening
Or column is surrounded by, but also there is subway building staircase in part to be not provided with column, it has diversity.
When fire occurs for Subway Station Platform floor or Gui Hang areas, a large amount of fire smoke Hui Jing buildings staircase openings are spread to
Station hall layer.Station hall layer will be attacked as the support area of fire fighting and rescue by fire smoke, cause fire incident area to expand,
While threatening evacuating personnel, fire fighting and rescue difficulty will be greatly increased.
Accordingly, it would be desirable to design subway building staircase plugging device, effectively suppress station layer flue gas and spread to station hall layer, it is ensured that
When station smoke control system, which can not be played, to have effect, station hall layer is not threatened by station layer fire smoke, is fire fighter's fire extinguishing
Rescue provides advantage.
The content of the invention
It is an object of the invention to provide a kind of subway building staircase Smoke prevention plugging device and its implementation, mainly solve existing
When having the generation fire of station layer present in technology, flue gas spreads to station hall layer by building staircase mouthful, causes fire incident area
Expand, the problems such as being unfavorable for rescue.
To achieve these goals, the technical solution adopted by the present invention is as follows:
A kind of subway building staircase Smoke prevention plugging device, including support bar, are laid on support bar and lateral edge and rear end
Edge buckles the Smoke prevention cloth on building escalator fence glass base, and is arranged on Smoke prevention cloth surface, for Smoke prevention cloth to be compressed
Stretch cord on building staircase.
Specifically, Smoke prevention cloth includes the front end cloth, transfer cloth and rear end cloth for being fitted on support bar and pressing successively splicing.
Transfer cloth sets the breach of most two concave shapes, the upper surface of transfer cloth and is uniformly arranged two rows along breach direction and is used to shrink
The contractile ring of the transfer cloth width.Wherein, transfer cloth sets single breach to constitute character cut in bas-relief cloth, general to set two pieces.Transfer cloth pair
Side respectively sets a breach to constitute I-shaped cloth, general to set one piece.Transfer cloth non-notch, i.e., it is consistent with front end cloth structure, one
As set 2~3 pieces.
Preferably, rear end cloth, transfer cloth and front end cloth top surface edge are respectively provided with least two rows equally distributed first and hung
Hook, the first hook is connected to flexible elastic band, wherein, the first hook buckles into building escalator fence glass base.
Further, support bar includes the auxiliary rod for being connected across subway building staircase side fence, and parallel to auxiliary rod
And it is connected across the bearing bar of subway building staircase side fence.General auxiliary rod and bearing bar configure 2.When Smoke prevention cloth is installed,
In order to prevent support bar from dropping, spacing block is provided in auxiliary rod and bearing bar both ends.
Further, auxiliary rod includes the first T-bar of 2~3 sections of foldings, and perpendicular to the first T-bar folding axis
Direction, the first roller for providing rolling friction.Bearing bar includes the second T-bars of 2~3 sections of foldings, and along folding shaft
Second roller of the line direction perpendicular to the second T-bar, for providing rolling friction.Wherein, between the first adjacent T-bar, phase
Connected between the second adjacent T-bar using hinge structure.
Preferably, stretch cord end is provided for buckling into second hook on building escalator fence glass base.
The device, which is installed, to be comprised the following steps:
The first step:Auxiliary rod and bearing bar are deployed, and are connected across on subway building staircase side rail, auxiliary rod is distributed in
Fixed with the block at bearing bar both ends;
Second step:Front end cloth, transfer cloth and rear end cloth are laid successively along subway building staircase front to rear extreme direction, used
Pressing splicing;
3rd step:The contractile ring on transfer cloth is shunk, breach is brought into close contact column;
4th step:It will be distributed over the on front end cloth, transfer cloth and rear end cloth first hook and buckle into building escalator fence glass bottom
Side;
5th step:Stretch cord is placed and is pressed on front end cloth, transfer cloth and rear end cloth stitching portion, and the second hook is buckled into
Building escalator fence glass base, to complete to block Smoke prevention.
Spread to effectively suppress station layer flue gas to station hall layer, in subway building, staircase front sets up 2~3 mobile smoke evacuations
Blower fan to platform direction blow, powerful downcast air can be formed in building staircase hoistway, it is ensured that when station smoke control system not
Station hall layer when there should be effect can be played not threatened by station layer fire smoke.
Compared with prior art, the invention has the advantages that:
(1) the Smoke prevention plugging device that the present invention is designed for subway building staircase, its Smoke prevention cloth uses partitioned organization, facilitated back
Receive, can also mitigate the weight of monolithic, be easy to carry.When mounted, the Smoke prevention cloth of partitioned organization is more laborsaving.Due to building staircase
Length and width are different, in order to be applicable different building staircase, and traditional Smoke prevention cloth manufacture volume is larger, in the small person of building staircase floor space,
Smoke prevention cloth bulk redundancy certainly will be caused, the problem of Smoke prevention cloth redundancy can be avoided using partitioned organization, according to the size of building staircase
The quantity of piecemeal is selected, its installation is more quick.
(2) the logical ingehious design breach of the present invention, solves the problem of closure is not tight at column, wide to transfer cloth using contractile ring
Degree shrinks, and realizes that breach is brought into close contact with column, it is to avoid dense smoke is fled everywhere.Using the transfer cloth for setting breach, it is only necessary to adjust
The direction of whole breach, you can adapt to the column of distribution at an arbitrary position, the position not being distributed by column, shape and size shadow
Ring, it covers all types of subway buildings staircase.
(3) front end cloth, transfer cloth and rear end cloth of the invention are equipped with the first hook, and elastic band is provided with hook,
By the first hook grip building escalator fence glass base, Smoke prevention cloth is set to be in exceptionally straight state, its closure is more tight, it is to avoid dense
Cigarette is fled everywhere.
(4) moreover, auxiliary rod of the invention and bearing bar use folding mode, and its is simple in construction, is readily transported,
Floor space is small.Set the pulley of rolling, by way of rolling friction, installation is more saved on auxiliary rod and bearing bar
Power, can not only provide support for Smoke prevention cloth, and can prevent Smoke prevention cloth from scratching damage in installation process, and raising uses the longevity
Life.Spacing block is set in the end of auxiliary rod, bearing bar, can avoid sliding it when Smoke prevention cloth is installed.
(5) present invention sets stretch cord on Smoke prevention cloth, and Smoke prevention cloth is close on subway building staircase.Blower fan is to subway building
During staircase air blast, Smoke prevention cloth can be avoided to be blown afloat, dense smoke is blown out from Smoke prevention cloth surrounding, verified through test of many times, its closure can
Lean on, dense smoke is isolated completely.
(6) it is of the invention by the way of being crimped successively to rear extreme direction along subway building staircase mouthful front then stretch cord is tight
Stitching portion is attached to, its installation advantage is, is crimped successively along blower fan air-out direction, i.e., in transfer cloth pressure front end cloth, rear end cloth pressure
Turn the mode of cloth, dense smoke can be effectively prevented from and blown out from seam crossing, its Smoke prevention plugging effect is obvious.
The present invention includes the closure for whetheing there is column all types subway building staircase, and covering scope is wide, not by column form, number
Amount and size influence.The device have simple in construction, install convenient, be readily transported, that applied widely, closure is reliable etc. is excellent
Point, has very high practical value and promotional value in technical field of fire control.
Brief description of the drawings
Fig. 1 is to install simple schematic diagram without pillar types support bar.
Fig. 2 is the structural representation of auxiliary rod.
Fig. 3 is the structural representation of bearing bar.
Fig. 4 is the first hook structure schematic diagram.
Fig. 5 is the structural representation of front end cloth.
Fig. 6 is the structural representation of rear end cloth.
Fig. 7 is that single post type support bar installs simple schematic diagram.
Fig. 8 is the structural representation of character cut in bas-relief cloth.
Fig. 9 is that double pillar types support bars install simple schematic diagram.
Figure 10 is the structural representation of I-shaped cloth.
In above-mentioned accompanying drawing, the corresponding component names of reference are as follows:
1- Smoke prevention cloth, 2- support bars, 3- stretch cords, 4- front ends cloth, 5- rear ends cloth, 6- auxiliary rods, 7- bearing bars, 8- first
Hook, 9- elastic bands, the T-bars of 10- first, the rollers of 11- first, the T-bars of 12- second, the rollers of 13- second, 14- second is linked up with,
15- blocks, 16- fences, 18- contractile rings, 19- I-shaped cloth, 20- character cut in bas-relief cloth, 21- breach, 22- columns, 23- transfer cloth.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples, and embodiments of the present invention include but is not limited to
The following example.
As shown in Figures 1 to 6, a kind of subway building staircase Smoke prevention plugging device, including support bar 2, is laid on support bar 2
And lateral edge and back edge buckle the Smoke prevention cloth 1 on building escalator fence glass base, and it is arranged on the table of Smoke prevention cloth 1
Face, the stretch cord 3 for being pressed on Smoke prevention cloth 1 on building staircase.
The Smoke prevention cloth 1 of the device is including being fitted on support bar 2 and pressing the front end cloth 4 of splicing successively, the and of transfer cloth 23
Rear end cloth 5, the transfer cloth 23 sets the breach 21 of most two concave shapes, the upper surface of transfer cloth 23 and equal along the direction of breach 21
It is even to set two rows to be used for the contractile ring 18 for shrinking the width of transfer cloth 23.
Wherein, rear end cloth 5, transfer cloth 23 and the top surface edge of front end cloth 4 are respectively provided with least two rows equally distributed first
Hook 8, the first hook 8 is connected to flexible elastic band 9, and first hook 8 buckles into building escalator fence glass base.
The support bar 2 of the device includes the auxiliary rod 6 for being connected across subway building staircase side fence, and parallel to auxiliary rod
6 and it is connected across the bearing bar 7 of subway building staircase side fence.The respectively configuration 1 of auxiliary rod 6 and bearing bar 7.Smoke prevention cloth is installed
When, in order to prevent support bar from dropping, auxiliary rod 6 and the both ends of bearing bar 7 are provided for spacing block 15.
The auxiliary rod 6 of the support bar 2 includes the first T-bar 10 of 2~3 sections of foldings, and perpendicular to the folding of the first T-bar 10
Folded axis direction, the first roller 11 for providing rolling friction.Bearing bar 7 includes the second T-bar 12 of 2~3 sections of foldings, with
And the second roller 13 along folding axis direction perpendicular to the second T-bar 12, for providing rolling friction.
In order to prevent that Smoke prevention cloth from being blown afloat, the end of stretch cord 3 is provided for buckling into the second of building escalator fence glass base
Hook 14.
Embodiment 1
The present embodiment is briefly explained with optimal conditions, i.e., subway building staircase is not provided with pillar types.
First, auxiliary rod 6 and bearing bar 7 are deployed, and are connected across on subway building escalator fence 16.
Secondly, along the positive backward directions of subway building staircase, at least 1 piece front end cloth 4 is laid, unnotched transfer cloth 23 is pressed
It is connected on front end cloth 4, then rear end cloth 5 is crimped on transfer cloth 23, and the first hook 8 is buckled into the glass base of fence 16.
Finally, stretch cord 3 is placed, and the second hook 14 is buckled into the glass base of fence 16, to complete the peace of plugging device
Dress.
Embodiment 2
As shown in Fig. 7 to Fig. 8, illustrate its implementation by taking single pillar types as an example, the transfer cloth 23 that it is used is recessed
Word cloth 20, column 22 is arranged on subway building staircase centre position.
First, auxiliary rod 6 and bearing bar 7 are deployed, and are connected across on subway building escalator fence 16.
Secondly, along the positive backward directions of subway building staircase, front end cloth 4 is first laid, two pieces of identical character cut in bas-relief cloth 20 are taken along phase
Direction is laid successively, column 22 is in the middle of the breach of two pieces of character cut in bas-relief cloth 20, by being shunk to contractile ring, makes column
22 are surrounded completely.
Then, rear end cloth 5 is laid, and presses splicing on character cut in bas-relief cloth 20, then the first hook 8 is buckled into the glass bottom of fence 16
Side.
Finally, stretch cord 3 is placed, and the second hook 14 is buckled into the glass base of fence 16, to complete the peace of plugging device
Dress.
The situation of the surrounding of subway building staircase is arranged on for single column, its quantitative difference of character cut in bas-relief cloth 20 being used only,
Its installation process is identical, repeats no more below.
Embodiment 3
As shown in Fig. 9 to Figure 10, illustrated by taking double pillar types as an example, double columns are arranged on the both sides of building staircase, in
Turn the I-shaped cloth 19 that cloth 23 opens up breach 21 using two sides.
First, auxiliary rod 6 and bearing bar 7 are deployed, and are connected across on subway building escalator fence 16.
Secondly, along the positive backward directions of subway building staircase, front end cloth 4 is first laid, two breach 21 of I-shaped cloth 19 are bridged
Between two columns 22, and I-shaped cloth 19 is crimped on front end cloth 4, is adjusted the width of I-shaped cloth 19 by contractile ring 18, is made to lack
Mouth 21 is fitted on column 22 completely.
Then, rear end cloth 5 is laid, and is crimped on I-shaped cloth 19, the first hook 8 is buckled into the glass base of fence 16.
Finally, stretch cord 3 is placed, and the second hook 14 is buckled into the glass base of fence 16, to complete the peace of plugging device
Dress.
Above-described embodiment is only the preferred embodiments of the present invention, not limiting the scope of the invention, as long as using
The design principle of the present invention, and the change for carrying out non-creativeness work on this basis and making, all should belong to the present invention's
Within protection domain.
Claims (9)
1. a kind of subway building staircase Smoke prevention plugging device, it is characterised in that including support bar (2), be laid on support bar (2) and
Lateral edge and back edge buckle the Smoke prevention cloth (1) on building escalator fence glass base, and are arranged on Smoke prevention cloth (1) table
Face, the stretch cord (3) for being pressed on Smoke prevention cloth (1) on building staircase;The Smoke prevention cloth (1) includes being fitted in support bar (2)
Front end cloth (4), transfer cloth (23) and rear end cloth (5) upper and that press splicing successively;The support bar (2) includes being connected across subway
The auxiliary rod (6) of building staircase side fence, and parallel to auxiliary rod (6) and it is connected across holding for subway building staircase side fence
Weight bar (7).
2. staircase Smoke prevention plugging device in subway building according to claim 1, it is characterised in that the transfer cloth (23) is set
The breach (21) of most two concave shapes, the upper surface of transfer cloth (23) and along breach (21) direction be uniformly arranged two rows be used for receive
Contract the contractile ring (18) of transfer cloth (23) width.
3. staircase Smoke prevention plugging device in subway building according to claim 1, it is characterised in that the rear end cloth (5), transfer
Cloth (23) and front end cloth (4) top surface edge are respectively provided with equally distributed first hook (8) of at least two rows;First hook
(8) flexible elastic band (9) is connected to, wherein, the first hook (8) buckles into building escalator fence glass base.
4. staircase Smoke prevention plugging device in subway building according to claim 1, it is characterised in that the auxiliary rod (6) and hold
At least each configuration 1 of weight bar (7).
5. staircase Smoke prevention plugging device in subway building according to claim 1, it is characterised in that the auxiliary rod (6) and hold
Weight bar (7) both ends are provided for spacing block (15).
6. staircase Smoke prevention plugging device in subway building according to claim 1, it is characterised in that the auxiliary rod (6) includes
The first T-bar (10) of at least 2 sections foldings, and rubbed perpendicular to the first T-bar (10) folding axis direction, for providing rolling
The first roller (11) wiped.
7. staircase Smoke prevention plugging device in subway building according to claim 1, it is characterised in that the bearing bar (7) includes
The second T-bar (12) of at least 2 sections foldings, and along folding axis direction perpendicular to the second T-bar (12), for providing rolling
The second roller (13) of friction.
8. staircase Smoke prevention plugging device in subway building according to claim 1, it is characterised in that stretch cord (3) end
It is provided for buckling into second hook (14) on building escalator fence glass base.
9. a kind of subway building staircase Smoke prevention plugging device implementation method, it is characterised in that comprise the following steps:
(I) auxiliary rod (6) and the bearing bar (7) are deployed, and are connected across on subway building staircase side rail, is distributed in
Auxiliary rod (6) and the block (15) at bearing bar (7) both ends are fixed;
(II) the front end cloth (4), transfer cloth (23) and rear end cloth (5) are spread successively along subway building staircase front to rear extreme direction
If, using pressing connecting method;
(III) contractile ring (18) on transfer cloth (23) is shunk, breach (21) is brought into close contact column;
(IV) it will be distributed over the on the front end cloth (4), transfer cloth (23) and rear end cloth (5) first hook (8) and buckle into building staircase
Fence glass base;
(V) stretch cord (3) is pressed on the front end cloth (4), transfer cloth (23) and rear end cloth (5) stitching portion, and second is hung
Hook (14) buckles into building escalator fence glass base.
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CN201710619025.3A CN107235410B (en) | 2017-07-26 | 2017-07-26 | A kind of subway building staircase Smoke prevention plugging device and its implementation |
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CN201710619025.3A CN107235410B (en) | 2017-07-26 | 2017-07-26 | A kind of subway building staircase Smoke prevention plugging device and its implementation |
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CN107235410A true CN107235410A (en) | 2017-10-10 |
CN107235410B CN107235410B (en) | 2018-05-08 |
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Citations (7)
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JPH04112184A (en) * | 1990-08-29 | 1992-04-14 | Toshiba Corp | Man conveyor |
CN2395751Y (en) * | 1999-03-03 | 2000-09-13 | 陈胜强 | Fire control (smoke) hood |
JP2003246572A (en) * | 2002-02-22 | 2003-09-02 | Sanwa Shutter Corp | Smokeproof shutter |
JP2007176641A (en) * | 2005-12-27 | 2007-07-12 | Mitsubishi Electric Corp | Fire protection/smoke-prevention shutter device for elevator and elevator device provided therewith |
CN102284155A (en) * | 2011-05-05 | 2011-12-21 | 李忠友 | Passage and tunnel obstruction device in fire disaster |
CN106480742A (en) * | 2015-08-26 | 2017-03-08 | 上海斯诺柯乔安全防范技术有限公司 | Inorfil composite fire fabric substrate material and its application |
CN206158779U (en) * | 2016-11-16 | 2017-05-10 | 公安部四川消防研究所 | General type ground iron winds pavilion smoke protection gas short -circuiting device |
-
2017
- 2017-07-26 CN CN201710619025.3A patent/CN107235410B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04112184A (en) * | 1990-08-29 | 1992-04-14 | Toshiba Corp | Man conveyor |
CN2395751Y (en) * | 1999-03-03 | 2000-09-13 | 陈胜强 | Fire control (smoke) hood |
JP2003246572A (en) * | 2002-02-22 | 2003-09-02 | Sanwa Shutter Corp | Smokeproof shutter |
JP2007176641A (en) * | 2005-12-27 | 2007-07-12 | Mitsubishi Electric Corp | Fire protection/smoke-prevention shutter device for elevator and elevator device provided therewith |
CN102284155A (en) * | 2011-05-05 | 2011-12-21 | 李忠友 | Passage and tunnel obstruction device in fire disaster |
CN106480742A (en) * | 2015-08-26 | 2017-03-08 | 上海斯诺柯乔安全防范技术有限公司 | Inorfil composite fire fabric substrate material and its application |
CN206158779U (en) * | 2016-11-16 | 2017-05-10 | 公安部四川消防研究所 | General type ground iron winds pavilion smoke protection gas short -circuiting device |
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