CN104879161B - A kind of telescopic evacuation platform stair interval for subway tunnel - Google Patents
A kind of telescopic evacuation platform stair interval for subway tunnel Download PDFInfo
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- CN104879161B CN104879161B CN201510331267.3A CN201510331267A CN104879161B CN 104879161 B CN104879161 B CN 104879161B CN 201510331267 A CN201510331267 A CN 201510331267A CN 104879161 B CN104879161 B CN 104879161B
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Abstract
The invention discloses a kind of telescopic evacuation platform stair interval for subway tunnel, including platform girder and telescopic stair body, wherein described platform girder is fixed on the lower section of the evacuation platform in the interval side of subway tunnel, and offers on the inside of it chute as stair body sliding rail respectively；The telescopic stair body includes main ladder and pair ladder, and the main ladder and secondary ladder can be slidably coupled to each other relatively using the structure of mutual left-hand thread, and one end of main two terraced sides is connected by rotary shaft with each sliding block in the chute respectively.System gauge is not invaded in normal conditions by means of the invention it is possible to realize, does not influence interval pipeline to install, while having the advantages that esy to use, safe and reliable and evacuation efficiency is high under applying working condition.
Description
Technical field
The invention belongs to subway rescue aid correlative technology field, it is used for subway tunnel more particularly, to one kind interval
Telescopic evacuation platform stair.
Background technology
With the propulsion of Urbanization in China, population size and vehicle flowrate are sharply increased in each city, to city
The pressure that city's traffic is brought is increasing.To economize the land resource, the engineering construction such as Large Underground roads and tunnels and track traffic
Accordingly also enter the high speed development stage.However, because occurring fire, vehicle or other equipment failure and other reasons, subway may stop
Vehicle is extremely inconvenient above and below the non-platform region of for example transit tunnel etc, personnel, and be difficult in time, safely evacuate vehicle
On passenger.
For the evacuation problem that subway tunnel is interval, end door evacuation and side door can be divided into according to evacuation path in the prior art
Evacuate two ways.When using side door evacuation mode, emergency evacuation platform is provided with transit tunnel, subway is considered
The arrangement requirement of vehicle floor face height and interval pipeline, height of the evacuation platform away from rail level be traditionally arranged to be 800mm~
900mm, and can set fixed stair in evacuation platform end, thus sets up contacting for evacuation platform and railway roadbed.
However, further investigations have shown that, this kind of existing evacuation platform set-up mode still have following defect or
It is not enough：First, the height between evacuation platform and road bed surface is generally 1000mm or so, and the communication center of evacuation platform and railway roadbed
Namely escape stair is less, substantial amounts of evacuation personnel need directly to skip to bed surface by evacuation platform, are easy to cause falling for personnel
Wound, and have a strong impact on evacuation efficiency；Secondly, even if successfully arriving at the evacuation crowd of bed surface, evacuation platform is still hard to,
To be evacuated via service channel to adjacent piles；Finally, if setting up more fixed escape stairs, not only destruction is dredged
The continuity of platform is dissipated, there is the potential safety hazard that evacuation personnel drop to platform gap from vehicle side door, but also may shadow
System gauge is invaded, while influenceing interval pipeline to install and construct.
The content of the invention
For the disadvantages described above or Improvement requirement of prior art, stretched the invention provides a kind of interval for subway tunnel
Contracting formula evacuation platform stair, wherein designing the platform building of extension type by combining the existing evacuation platform layout feature of itself
Ladder, while to the specific structure of its key component and being coupled to each other mode and being improved, should be able to mutually be realized in normal conditions
Do not invade system gauge, do not influence interval pipeline to install, at the same have under applying working condition it is esy to use, safe and reliable and
The advantages of evacuation efficiency is high.
To achieve the above object, it is proposed, according to the invention, there is provided a kind of telescopic evacuation platform interval for subway tunnel
Stair, it is characterised in that the evacuation platform stair include platform girder and telescopic stair body, wherein：
The platform girder includes two girder constructions be arrangeding in parallel, and they are fixed on dredging in the interval side of subway tunnel
The lower section of platform is dissipated, and is extended laterally along towards the direction of track；In addition, the inner side of each girder construction offers cunning respectively
Groove, and these chutes are each provided with stop ledge in the end close to rail side；
The telescopic stair body includes main ladder and pair ladder, wherein main ladder and secondary ladder can phases using the structure of mutual left-hand thread
To being slidably coupled to each other, and one end of main two terraced sides passes through rotary shaft and each in the chute respectively
Sliding block is connected；In this way, when in unused state, the telescopic stair body performs the phase between main ladder and secondary ladder
Mutual fit, and integral slipping is into the chute of the platform girder；And when in use state, the telescopic stair body edge
The platform girder to be integrally drawn at the stop ledge, and be rotated down via the rotary shaft, then by it is main ladder with
Secondary ladder deploys each other, so that the current stair set up between evacuation platform and road bed surface.
Fiberglass or stainless steel is used to be made as it is further preferred that the main ladder and pair are terraced, and it is secondary terraced
Length be less than or equal to main terraced length.
As it is further preferred that above-mentioned evacuation platform stair are further equipped with safety pin, the safety pin can be installed to plug
In the side of the evacuation platform, and for preventing telescopic stair body during in unused state from skidding off.
As it is further preferred that the secondary ladder is set to be buckled in the main terraced top, and its side top surface
Possesses more than 2cm gap between the inner side top surface of the girder construction.
As it is further preferred that the end of the secondary ladder also has detent mechanism, the detent mechanism is used to be stuck in tunnel
On interior track.
As it is further preferred that the girder construction of the platform girder is directly anchored to the knot of subway tunnel by chemical anchors
On structure wall, thus it is applied not only to support the landing slab of evacuation platform, but also be that the sliding block and telescopic stair body are provided
Position constraint.
In general, possess following compared with prior art, mainly by the contemplated above technical scheme of the present invention
Technological merit：
1st, by using telescopic stair structure, especially it is designed with reference to the layout feature of existing evacuation platform,
It should be able to mutually realize and not invade transit tunnel facilities clearance in normal conditions, not influence interval pipeline to install, while using
Can quickly and easily it be operated under operating mode, it is ensured that play good path and evacuation effect；
2nd, studied by structure and its set-up mode to for example main ladder of its key component, secondary ladder, chute and sliding block etc.,
Test shows also can safely, successfully operate even for the passenger without specific aim training, and in evacuation platform and road
Stability Analysis of Structures, adjustable length are set up between bed surface and is easy to the current stair of reset；
3rd, according to the present invention telescopic evacuation platform stair compact overall structure, be easily installed and later maintenance, and
The upgrading to existing equipment can be realized in the case where not increasing more quantities, all kinds of subway tunnels are therefore particularly suitable for
Road interval or the safe rescue purposes of other similar site.
Brief description of the drawings
Fig. 1 is that the general assembly for the exemplary telescopic evacuation platform stair for being shown as the present invention in normal conditions is shown
It is intended to；
Fig. 2 is more specifically to show positioned opposite between telescopic platform stair and the evacuation platform under nominal situation
Schematic diagram；
Fig. 3 is shown for the exemplary general assembly for being shown as the telescopic evacuation platform stair of the present invention under evacuation operating mode
It is intended to；
Fig. 4 is the overall structure diagram being according to the telescopic evacuation platform stair of the present invention under nominal situation；
Fig. 5 is the overall structure diagram being according to the telescopic evacuation platform stair of the present invention under evacuation operating mode；
Fig. 6 is the structural representation for being coupled to each other relation between display platform girder, main ladder and secondary ladder；
In all of the figs, identical reference is used for representing identical element or structure, wherein：
The secondary ladder 6- evacuations of the main terraced 5- of 1- platform girder 1a- chute 1b- stop ledge 2- sliding block 3- rotary shafts 4- are flat
Platform 7- track 8- safety pins
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in each embodiment of invention described below
Not constituting conflict each other can just be mutually combined.
Fig. 4 is the overall structure diagram being according to the telescopic evacuation platform stair of the present invention under nominal situation, Fig. 5
It is the overall structure diagram being according to the telescopic evacuation platform stair of the present invention under evacuation operating mode.Such as institute in Fig. 4 and Fig. 5
Show, the telescopic evacuation platform stair mainly include two building blocks of platform girder and telescopic stair body, and by right
Its relative to the arrangement between evacuation platform and multiple key components concrete structure and be coupled to each other mode, to realize
Do not invade transit tunnel facilities clearance in normal conditions, do not influence interval pipeline to install, while can be square under applying working condition
Just, quickly operate, it is ensured that play good path and evacuation effect.
Specifically, platform girder 1 may include two girder constructions be arrangeding in parallel, and they are fixed in subway tunnel area
Between side evacuation platform 6 lower section, for example the landing slab lower surface with evacuation platform fit substantially, and along towards track 7
Direction extend laterally；In addition, the inner side of each girder construction offers linear chute 1a respectively, and these chutes by
The end of nearly rail side is each provided with for example stop ledge 1b or similar structures part, so as to when extracting stair body out, it is to avoid
Sliding block 2 in each chute together chute with stair body.
Referring concurrently to Fig. 6, telescopic stair body includes main terraced 4 and secondary terraced 5 two basic booms, wherein main terraced 4 and pair
Ladder 5 can be slidably coupled to each other relatively using the structure of mutual left-hand thread, be preferably that secondary ladder 5 is buckled in into main terraced 4 top in figure
It is mutually chimeric with it and slip each other can be kept, for example by the side top surface of secondary ladder 5 and the inner side top surface of girder construction it
Between leave more than 2cm gap, thus while effective sliding, realize the stretching, extension or shortening in stair body entire length.
In addition, for main terraced 4 two sides being between pedal, their one end (left end is shown as in figure) passes through rotation respectively
Rotating shaft 3 is connected with each sliding block 2 in chute 1a；In this way, when in unused state, the telescopic stair
The mutual fit that body is performed between main ladder and secondary ladder causes entire length to minimize, then cunning of the integral slipping to platform girder
In groove 1a and it is completely in below the landing slab of evacuation platform, therefore will not only invades the interval facilities clearance of existing tunnel,
The installation of the interval pipeline of influence, and support and reinforcement effect can also be played to landing slab simultaneously；And when in use namely
During evacuation state, the telescopic stair body is drawn at the stop ledge 1b of end along platform girder 1 is overall, and via rotation
Certain angle rotation occurs downwards for rotating shaft 3, then deploys main ladder each other with secondary ladder, thus set up evacuation platform and road bed surface it
Between current stair.
In addition, above-mentioned evacuation platform stair may be fitted with safety pin 8, as shown in Figure 2, the safety pin can plug
Installed in the side of evacuation platform 6, its lower end is stretched out along vertical direction stops end of the stair body close to track side,
Telescopic stair body when thus effectively preventing from being in unused state is skidded off.
Fiberglass or stainless steel can be used according to a preferred embodiment of the present invention, described main terraced 4 and secondary terraced 5
It is made, and the length of secondary ladder is less than or equal to main terraced length.So, overall structural strength can not only be improved, it is ensured that
A wide range of crowd run with it is crowded in the case of also will not damage or collapse, but also can effectively prevent long-term use tunnel in
The adverse effect of humiture.
According to another preferred embodiment of the present invention, the end of the secondary ladder can also have the positioning of for example claw etc
Mechanism, the detent mechanism is used for the track being stuck in tunnel, thus can more firm, reliably make under evacuation operating mode
With.
According to another preferred embodiment of the present invention, the girder construction of the platform girder can be directly anchored to by chemical anchors
In the structural walls of subway tunnel, thus it is applied not only to support the landing slab of evacuation platform 6, but also is sliding block 2 and telescopic building
Terraced body provides the position constraint as shown in Figure 6 in Y-direction and Z-direction.
Making according to telescopic evacuation platform stair of the invention is more specifically explained below with reference to Fig. 1 to Fig. 3
Use process.
When implementing, safety pin 8 is extracted out first, sliding block 2 and main terraced 4 are drawn to end along platform girder 1 together, with
To be extracted out afterwards in secondary ladder 5 from main terraced 4, then secondary ladder 5 with main terraced 4 by rotary shaft 3 around sliding block 2 and platform girder 1 downwardly together
Rotation.Platform girder outer, lower end and the secondary terraced mutual left-hand thread in 5 upper end are fixed in main terraced 4 upper end, and secondary terraced 5 lower end, which is taken, is put in track
Road bed surface, it is established that the current stair of evacuation platform and road bed surface.
After the completion of the device use, main terraced 4, secondary ladder 5 need to be packed up and be contracted to it under evacuation platform together with sliding block 2
Side, and safety pin 8 is plugged.
To sum up, the layout feature for effectively combining existing evacuation platform according to the telescopic evacuation platform stair of the present invention comes
It is designed, it is corresponding to can be achieved not invading transit tunnel facilities clearance in normal conditions, do not influence interval pipeline to install, simultaneously
Can quickly and easily it be operated under applying working condition, it is ensured that play good path and evacuation effect.
In addition, the device compact overall structure, being easily installed and later maintenance, and more quantities can not increased
In the case of realize upgrading to existing equipment, efficiently solve evacuation platform to railway roadbed and railway roadbed to evacuation platform it
Between current difficult problem, significantly improve evacuation efficiency, can avoid or reduce casualties during evacuation, thus especially suitable
In all kinds of subway tunnels interval or the safe rescue purposes of other similar site.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not used to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the invention etc., it all should include
Within protection scope of the present invention.
Claims (4)
1. a kind of evacuation platform system interval for subway tunnel, it is characterised in that including possessing the evacuation platform of landing slab
(6), platform girder (1), telescopic stair body, and possess the track (7) of bed surface, wherein：
The evacuation platform (6) is in the interval side of subway tunnel；The platform girder (1) includes two beam knots be arrangeding in parallel
Structure, they be fixed on the evacuation platform (6) lower section and the lower surface of its landing slab fit, and along towards the track
(7) direction is extended laterally；The inner side of each girder construction offers linear chute (1a), and these chutes respectively
Stop ledge (1b) is each provided with the end close to rail side, while being internally provided with sliding block (2) in chute；In addition, each
The individual girder construction is directly anchored in the structural walls of subway tunnel by chemical anchors, is thus applied not only to support the evacuation flat
The landing slab of platform (6), but also be that the sliding block (2) and the telescopic stair body provide position constraint；
The telescopic stair body includes main terraced (4) and pair is terraced (5), wherein the main ladder and knot of the pair ladder using mutual left-hand thread
Structure can slidably be coupled to each other relatively, and the secondary ladder lock is mutually chimeric with it on the main terraced top, and the side of pair ladder
More than 2cm gap is left between side top surface and the inner side top surface of the girder construction；In addition two sides of main terraced (4)
One end is connected by rotary shaft (3) with each described sliding block (2) in the chute (1a) respectively；In this way, when
During in unused state, the telescopic stair body performs the mutual fit between main ladder and secondary ladder, and integral slipping is to institute
In the chute (1a) for stating platform girder；And when in use state, the telescopic stair body is whole along the platform girder
Body is drawn to the stop ledge (1b) place, and is rotated down via the rotary shaft (3), then opens up main ladder each other with secondary ladder
Open, so as to set up the current stair between the road bed surface of the evacuation platform (6) and the track (7).
2. a kind of evacuation platform system interval for subway tunnel as claimed in claim 1, it is characterised in that the main ladder
(4) it is made with pair terraced (5) of fiberglass or stainless steel, and the length of pair ladder is less than or equal to the main terraced length
Degree.
3. a kind of evacuation platform system interval for subway tunnel as claimed in claim 1 or 2, it is characterised in that described
The side of evacuation platform (6) be further equipped with can plug safety pin (8), and the safety pin (8) lower end along vertical direction
Stretching stops end of the telescopic stair body close to the track (7) side, thus effectively prevents in unused
Telescopic stair body during state is skidded off.
4. a kind of evacuation platform system interval for subway tunnel as claimed in claim 3, it is characterised in that the secondary ladder
(5) end also has detent mechanism, and the detent mechanism is used to block on the track.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510331267.3A CN104879161B (en) | 2015-06-15 | 2015-06-15 | A kind of telescopic evacuation platform stair interval for subway tunnel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510331267.3A CN104879161B (en) | 2015-06-15 | 2015-06-15 | A kind of telescopic evacuation platform stair interval for subway tunnel |
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| CN104879161A CN104879161A (en) | 2015-09-02 |
| CN104879161B true CN104879161B (en) | 2017-10-13 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107972680B (en) * | 2017-11-28 | 2019-04-05 | 中国安全生产科学研究院 | A kind of rapid evacuation device and method for subway dispersing platform to the area Gui Hang |
| CN108867847A (en) * | 2018-07-26 | 2018-11-23 | 温州鹿城第三建筑工程有限公司 | A kind of storehouse architectural structure making full use of space among buildings |
| CN114635745A (en) * | 2022-03-08 | 2022-06-17 | 中国安全生产科学研究院 | A rotatable connection device and control method for an evacuation platform in a subway section |
| CN115539115A (en) * | 2022-09-14 | 2022-12-30 | 中铁第四勘察设计院集团有限公司 | An evacuation platform structure |
| CN115614090A (en) * | 2022-10-27 | 2023-01-17 | 中铁二院工程集团有限责任公司 | A system that takes into account both the longitudinal connection of the evacuation platform and the connection between the evacuation platform and the ballast bed |
| CN115898519A (en) * | 2022-10-28 | 2023-04-04 | 武汉理工大学 | Subway interval tunnel escape channel |
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| CN204238481U (en) * | 2014-11-19 | 2015-04-01 | 上海一电集团有限公司 | A kind of concealed stair for power substation |
| CN204729124U (en) * | 2015-06-15 | 2015-10-28 | 中铁第四勘察设计院集团有限公司 | A telescopic evacuation platform staircase used in the subway tunnel section |
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2015
- 2015-06-15 CN CN201510331267.3A patent/CN104879161B/en active Active
Patent Citations (7)
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|---|---|---|---|---|
| SU1587220A1 (en) * | 1988-02-23 | 1990-08-23 | Всесоюзный Научно-Исследовательский Институт Безопасности Труда В Горнорудной Промышленности | Emergency resscue arrangement for lifting people in unequipped ascending workings |
| CN1914079A (en) * | 2003-12-19 | 2007-02-14 | 勃姆巴迪尔运输有限公司 | Escape device for a rail vehicle |
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