CN112921724A - Installation method of turnout area evacuation platform - Google Patents
Installation method of turnout area evacuation platform Download PDFInfo
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- CN112921724A CN112921724A CN202110098626.0A CN202110098626A CN112921724A CN 112921724 A CN112921724 A CN 112921724A CN 202110098626 A CN202110098626 A CN 202110098626A CN 112921724 A CN112921724 A CN 112921724A
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- platform
- turnout
- evacuation
- panel
- platform panel
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- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000009434 installation Methods 0.000 title claims abstract description 29
- 239000004677 Nylon Substances 0.000 claims abstract description 35
- 229920001778 nylon Polymers 0.000 claims abstract description 35
- 241001669679 Eleotris Species 0.000 claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 238000004873 anchoring Methods 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000005553 drilling Methods 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 10
- 241000283707 Capra Species 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B37/00—Making, maintaining, renewing, or taking-up the ballastway or the track, not provided for in a single one of groups E01B27/00 - E01B35/00
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F1/00—Construction of station or like platforms or refuge islands or like islands in traffic areas, e.g. intersection or filling-station islands; Kerbs specially adapted for islands in traffic areas
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F11/00—Rescue devices or other safety devices, e.g. safety chambers or escape ways
Abstract
The invention provides a mounting method of an evacuation platform in a turnout area, and belongs to the technical field of rail safety. The installation method of the evacuation platform in the turnout area comprises the following steps: step S1, determining the installation mode of the nylon sleeve according to the manufacturing form of the sleeper of the turnout; step S2, laying a platform framework; step S3, laying a platform panel; according to the method, firstly, the installation mode of the nylon sleeve is determined according to the manufacturing form of the sleeper of the turnout, then the platform framework is installed on the nylon sleeve through the bolts, finally, the platform panel is laid on the platform framework, the evacuation platform is installed in the turnout area, and the evacuation platform crosses the grooves, the signal switches, the cables and the like in the turnout area, the influence of the train operation process on the stability, the reliability and the maintenance convenience of the evacuation platform is fully considered, the interference on the signal switches, the cables and the like is effectively avoided, the smoothness of an evacuation channel is ensured, the evacuation of personnel is facilitated, and the safety guarantee is higher.
Description
Technical Field
The invention relates to the technical field of rail safety, in particular to a mounting method of an evacuation platform in a turnout area.
Background
When a subway operation train encounters emergency situations such as vehicle faults, power supply system faults, fire accidents, terrorist attacks and the like in a tunnel or a viaduct, the evacuation platform serves as a special passage for people evacuation, people evacuation can be conveniently and quickly achieved, and therefore the reasonable arrangement of the evacuation platform is an important ring in rail transit operation safety.
At present, current evacuation platform all sets up in the tunnel or on the overpass, do not set up evacuation platform in the switch district between tunnel or overpass and station, and because there is the side strand to lead curve rail skew cross track bed surface in the switch district, be provided with signal goat and slot on the railway roadbed, arrange the cable that flow equalizes that is used for drawing the backward flow usefulness of rail joint department, signal cable and the high factor such as railway sleeper height that is higher than the railway bed surface of the signal cable and the switch sleeper that set up on the railway bed surface, above-mentioned factor homoenergetic leads to the railway bed surface unevenness problem, seriously influences personnel's evacuation safety under the emergency.
Disclosure of Invention
To the above-mentioned problem that exists among the prior art, aim at providing a mounting method of sparse platform in switch district now, set up sparse platform in switch district, whether at first consider the switch sleeper for prefabrication or for installing on existing sleeper, the different mounting method of demand selection according to the difference, secondly, set for the fixed moment of torsion of the platform skeleton of sparse platform according to the pretightning force size of needs, install the platform skeleton on the sleeper in switch district, finally, lay the platform panel on the platform skeleton, make the platform panel can stride across the slot, signal goat, cable etc., maintain the smoothness of the sparse passageway in switch district through the platform panel, personnel's evacuation has been made things convenient for.
The specific technical scheme is as follows:
an installation method of an evacuation platform in a turnout zone comprises the following steps:
step S1, determining the installation mode of the nylon sleeve according to the manufacturing form of the sleeper of the turnout;
when the sleeper of the turnout is prefabricated, a nylon sleeve for fixing an evacuation platform is pre-buried in the manufacturing process of the sleeper;
when the sleeper of the turnout is the existing sleeper, drilling holes in the concrete of the turnout zone bed between the sleepers, and embedding nylon sleeves through the drilling holes;
step S2, laying a platform framework;
a plurality of platform frameworks are laid at intervals along the longitudinal direction of the turnout, and the bottoms of the platform frameworks are arranged on the nylon sleeves through bolts for anchoring;
step S3, laying a platform panel;
the platform panel is laid on the platform frameworks in the longitudinal direction of the turnout direction and spans between two adjacent platform frameworks, meanwhile, the platform panel spans the groove of the signal switch machine and the traction rod of the signal switch machine, and the surface of the platform panel is lower than the top surface of the steel rail.
In the above installation method of the evacuation platform in the switch area, when the nylon sleeve is installed in step S1, the anchoring pullout resistance of the nylon sleeve needs to be ensured
Greater than pre-tightening force
Wherein, in the step (A),
in the formula (1), the first and second groups,
a safety factor is set;
the area of each platform panel;
is the wind load of the tunnel piston;
the number of anchor bolts for each platform panel.
According to the mounting method of the turnout area evacuation platform, when the nylon sleeve is buried in the drill hole, the bar planting glue is injected into the drill hole.
In the above method for installing the evacuation platform in the switch area, when the platform framework is installed in step S2, the anchoring torque of the platform framework
The following formula is satisfied:
in the formula (2), the first and second groups,
the nominal diameter of the bolt for anchoring;
is the torque coefficient;
is a pre-tightening force.
The installation method of the evacuation platform in the turnout area is characterized in that the torque coefficient
The value range of (A) is 0.01-0.45.
In the method for installing the evacuation platform for the switch area, in step S3, it is determined whether the platform panel is located at the groove of the signal switch machine or the guide rail of the switch,
when the platform panel is positioned at a groove of the signal switch machine or a guide rail of a turnout, one end of the platform panel is hinged on the platform framework, and the other end of the platform panel is connected with the platform framework through a locking structure; or a guide rail sliding structure is arranged between the side part of the platform panel and the platform framework, the platform panel can slide on the platform framework along the longitudinal direction of the turnout direction, and a locking structure is arranged between the platform panel and the platform framework;
when the platform panel is not positioned at the groove of the signal switch machine or the guide rail of the turnout, two ends of the platform panel are respectively fixed on the two corresponding platform frameworks.
In the method for installing the evacuation platform in the switch area, in step S3,
a platform panel is not arranged in the switch moving range of the turnout;
in the working edge area of the guide rail of the turnout, a gap with the width of a wheel rim groove is reserved between the side edge of the platform panel and the steel rail, in the non-working edge area of the guide rail of the turnout, the side edge of the platform panel is closely attached to the steel rail, and the height of the platform panel is higher than that of a turnout fastener; at the same time, the switch range of motion of the switch and the sides of the deck plate in the area outside the guideway region of the switch do not extend to the point of the switch fastener.
The installation method of the evacuation platform in the turnout area is characterized in that a slope is arranged at the starting point and/or the ending point of the evacuation platform in the turnout area, and the proportion range of the slope is 1: 5-1: 10.
In the installation method of the evacuation platform in the turnout area, the platform panel is provided with the light reflecting mark for indicating the evacuation direction, and the light reflecting mark is detachably installed on the platform panel; or the reflecting sign and the platform panel are in an integrated structure.
In the installation method of the evacuation platform in the turnout area, the platform panel is of a concrete structure or a composite material structure.
The positive effects of the technical scheme are as follows:
according to the installation method of the evacuation platform in the turnout area, firstly, the installation mode of the nylon sleeve is determined according to the manufacturing form of the sleeper of the turnout, then the platform framework is installed on the nylon sleeve through the bolts, and finally the platform panel is laid on the platform framework, so that the installation of the evacuation platform on the track bed surface in the turnout area is realized, the smoothness of the evacuation platform in the turnout area in sparse areas such as grooves, signal switches, cables and guide rails is ensured, the influence of the train operation process on the stability and reliability of the evacuation platform is fully considered, the influence on maintenance convenience of turnout steel rails, fasteners and signal switch equipment is fully considered, the interference on the signal switches, the cables, the guide rails and the like is effectively avoided, the evacuation of personnel is facilitated, and the evacuation safety is ensured.
Drawings
Fig. 1 is a flowchart of an installation method of the evacuation platform in the switch area according to the present invention.
Fig. 2 is a structural diagram of the evacuation platform of the switch area according to a preferred embodiment of the present invention;
FIG. 3 is a block diagram of a preferred embodiment of the present invention in a hinged configuration;
FIG. 4 is a block diagram of a preferred embodiment of the present invention in the area of the guide rails using a hinged connection;
FIG. 5 is a structural diagram of a sliding structure of a guide rail according to a preferred embodiment of the present invention;
FIG. 6 is a schematic diagram of a ramp according to a preferred embodiment of the present invention.
In the drawings: 1. a platform framework; 2. a platform panel; 21. a light-reflecting sign; 3. a signal switch machine; 31. a trench; 4. a steel rail; 5. a slope; 6. a guide rail of a turnout.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the present invention easy to understand, the following embodiments specifically describe the technical solutions provided by the present invention with reference to fig. 1 to 6, but the following contents are not to be taken as limitations of the present invention.
Fig. 1 is a flowchart of an installation method of the evacuation platform in the switch area according to the present invention. As shown in fig. 1, the installation method of the evacuation platform in the switch area provided by this embodiment includes the following steps:
step S1, determining the installation mode of the nylon sleeve according to the manufacturing form of the sleeper of the turnout;
step S2, laying a platform framework 1;
and step S3, laying the platform panel 2.
Specifically, in step S1, it is first determined whether the tie of the switch is of a prefabricated structure or an existing structure. When the sleeper of the turnout is of a prefabricated structure, a nylon sleeve for fixing an evacuation platform is pre-embedded in the manufacturing process of the sleeper, so that one-time manufacturing is realized, the efficiency is improved, and the cost is reduced; when the sleeper of switch was existing sleeper, reformed transform current structure promptly, at this moment, drilling in the switch district railway roadbed concrete between the sleeper, bury the nylon sleeve pipe through the drilling, realize the installation of nylon sleeve pipe on the railway roadbed to arrange for sparse platform on the railway roadbed in the switch district provides the condition.
More specifically, when the nylon socket in step S1 is installed, it is necessary to ensure the anchoring pullout resistance of the nylon socket
Greater than pre-tightening force
Wherein, in the step (A),
in the formula (1), the first and second groups,
a safety factor is set;
the area of each platform panel 2;
is the wind load of the tunnel piston;
the number of anchor bolts per deck plate 2.
At this time, only when the anchoring pull-out resistance of the nylon sleeve
Greater than pre-tightening force
The stability and the reliability of the evacuation platform in the train running process can be ensured, the influence of the train running process on the evacuation platform is fully considered, the safety of the evacuation platform is ensured, and the evacuation of personnel is facilitated.
More specifically, when the sleeper of the turnout is the existing sleeper, because the nylon sleeve is installed in the drill hole of the turnout zone track bed concrete in the later period, when the nylon sleeve is embedded into the drill hole, the bar-planting glue is required to be injected into the drill hole firstly, so as to ensure that the anchoring pull-out resistance of the nylon sleeve is ensured when the nylon sleeve is embedded into the turnout zone track bed concrete
Can meet the use requirement, and the installation method is more reasonable.
Specifically, when step S2 is performed, platform frameworks 1 need to be laid in the longitudinal direction of the turnout, and at this time, a plurality of platform frameworks 1 are arranged at intervals, so that a supporting base is provided for subsequent platform panels 2 through the platform frameworks 1, and conditions are provided for the platform panels 2 to cross over the grooves 31, the signal switch machines 3, the cables and the like. And, the bottom of platform skeleton 1 is installed on the nylon sleeve pipe through the bolt for the anchor, and the mode that the platform skeleton 1 adopted the connection of dismantling is installed on the nylon sleeve pipe promptly, and easy dismounting does benefit to the maintenance and the change in later stage, in addition, also guarantees the stability after platform skeleton 1 installs.
More specifically, when the platform frame 1 in step S2 is installed, the anchoring torque of the platform frame 1 is applied
The following formula is satisfied:
in the formula (2), the first and second groups,
the nominal diameter of the bolt for anchoring;
is the torque coefficient;
is a pre-tightening force.
At this time, the fixed torque at the platform frame 1
When the formula (2) is satisfied, the stability and the reliability of the platform framework 1 after installation can be ensured, the problem of potential safety hazards of the evacuation platform caused by damage in the using process is prevented, and the safety guarantee performance is higher.
More specifically, in the formula (2), the torque coefficient
Is in the range of 0.01-0.45, and the torque coefficient is selected
In the process, the bolt needs to be reasonably selected according to factors such as the threaded connection material, the surface friction condition, the thread manufacturing quality and the like of the bolt, so that the safety of the evacuation platform is ensured.
Specifically, when step S3 is performed, the platform panel 2 needs to be laid on the platform framework 1 in the longitudinal direction of the turnout direction, at this time, the platform panel 2 has a plurality of blocks, and the platform panel 2 spans between two adjacent platform frameworks 1, meanwhile, the platform panel 2 spans over the groove 31 of the signal switch machine 3 and the draw bar of the signal switch machine 3, the laying of the spacing between two adjacent platform frameworks 1 is realized through the laying of the platform panel 2, the continuity of the evacuation platform is realized, the evacuation of personnel is facilitated, and the plate surface of the platform panel 2 is lower than the rail top surface of the steel rail 4, so that the height of the platform panel 2 is slightly lower than the rail top surface of the steel rail 4, and the influence on the train running on the steel rail 4 is also avoided while the evacuation function is ensured.
More specifically, when the platform panel is installed in step S3, it is necessary to determine whether the platform panel 2 is located in the groove 31 of the signal switch machine 3 or the guide rail 6 of the switch, so as to ensure that the platform panel 2 at this position can be reasonably arranged, which is beneficial to the subsequent maintenance and repair of the rail and switch fasteners of the track.
Fig. 2 is a structural diagram of the evacuation platform of the switch area according to a preferred embodiment of the present invention; FIG. 3 is a block diagram of a preferred embodiment of the present invention in a hinged configuration; fig. 4 is a block diagram of a preferred embodiment of the present invention in the area of the guide rails using a hinge. As shown in fig. 2, 3 and 4, when the platform panel 2 is located at the groove 31 of the signal switch machine 3 or the guide rail 6 of the turnout, one end of the platform panel 2 is hinged to the platform framework 1, and the other end of the platform panel is connected with the platform framework 1 through the locking structure, so that when the later maintenance and maintenance of the guide rail 6 of the signal switch machine 3 or the turnout are performed, the platform panel 2 can be turned over after the locking structure is unlocked, and the area corresponding to the platform panel 2 is opened, so that the maintenance and the maintenance are more convenient; alternatively, fig. 5 is a structural diagram of a sliding structure of a guide rail according to a preferred embodiment of the present invention. As shown in fig. 2 and 5, a guide rail sliding structure is arranged between the side portion of the platform panel 2 and the platform framework 1, so that the platform panel 2 can slide on the platform framework 1 along the longitudinal direction of the turnout direction by means of the guide rail sliding structure, a locking structure is arranged between the platform panel 2 and the platform framework 1, at the moment, the guide rail sliding structure can be a guide rail and a pulley, the guide rail is longitudinally arranged along the turnout direction, the pulley is arranged at the side portion or the bottom of the platform panel 2, and the pulley is arranged on the guide rail in a rolling and sliding manner, so that when the guide rail 6 at the signal switch machine 3 or the turnout is required to be maintained and repaired in the later period, the sliding platform panel 2 can be used after the locking structure is unlocked, the area corresponding to the platform panel 2 is opened, and the maintenance are more convenient. It is worth pointing out that no matter the platform panel 2 is installed on the platform framework 1 in a hinged mode or is installed on the platform framework 1 in a guide rail sliding structure, the platform panel 2 can be temporarily fixed on the platform framework 1 through the locking structure, the problem that the platform panel 2 is lifted by high-speed airflow generated in the process of moving a tunnel or a train to cause danger is avoided, and the safety guarantee performance is higher.
When the platform panel 2 is not in the groove 31 of the signal switch machine 3 or the guide rail 6 of the turnout, the two ends of the platform panel 2 are respectively fixed on the two corresponding platform frameworks 1, so that when the platform panel 1 is in the region where the maintenance and the repair of the signal switch machine 3 or the guide rail and the turnout fastener are not needed, the platform panel 2 can be directly and stably fixed on the corresponding platform frameworks 1, and the stability and the reliability of the evacuation platform are further ensured.
More specifically, when step S3 is carried out, if the current region is in the switch moving range of the switch, then platform panel 2 is not set in the switch moving range of the switch, so that the interference caused by the movement of the guide rail in the switch moving range of the switch by platform panel 2 is avoided, the normal and reliable operation of the switch movement is ensured, thereby ensuring the operation safety of the train and more reasonable structural design. When the current region is the guide rail 6 region of switch, then this region sets up platform panel 2, make things convenient for personnel to evacuate, at this moment, when being in the work limit region one side of the guide rail 6 of switch, reserve the clearance that has wheel rim groove width between the side of platform panel 2 and rail 4, avoided arranging of evacuation platform and influenced the operation of the train on rail 4, and when being in the non-work limit region one side of the guide rail 6 of switch, the side of platform panel 2 and rail 4 are close to, eliminate the clearance, the security is improved. And, platform panel 2 highly is higher than the height of switch fastener, has made things convenient for the installation of switch fastener promptly, has also avoided sparse platform to the extrusion of switch fastener simultaneously, and the installation method is more reasonable. In addition, the switch live range of switch and the side of the platform panel 2 in the region outside the guide rail region of switch do not extend to switch fastener department, provide the condition for maintenance and maintenance of follow-up switch fastener.
FIG. 6 is a schematic diagram of a ramp according to a preferred embodiment of the present invention. As shown in fig. 2 and 6, a slope 5 is arranged at the starting point and/or the ending point of the evacuation platform formed by the platform framework 1 and the platform panel 2, so that people can conveniently move up and down on the evacuation platform, the smooth transition is realized, and the evacuation safety of people is ensured. At this time, the scale range of the slope 5 is 1: and the ratio of the length of the slope 5 to the slope is 5-1: 10, so that the slope is small, the walking of people is facilitated, and the safety of people evacuation is further ensured. It is worth pointing out that the ramp 5 can be realized by extending the platform panel 2, with a simple structure and easy implementation.
More specifically, install platform panel 2 back on platform skeleton 1, install the reflection of light sign 21 of instructing sparse direction on platform panel 2, at this moment, installation reflection of light sign 21 can not influence the installation of platform panel 2 and platform skeleton 1, and simultaneously, reflection of light sign 21 through the installation provides safety indication for personnel's evacuation, and structural design is more reasonable. It should be noted that the reflective mark 21 may be detachably mounted on the platform panel 2, or the reflective mark 21 and the platform panel 2 may be integrated, and may be reasonably selected according to actual use requirements.
More specifically, the platform panel 2 of the evacuation platform is of a concrete structure or a composite material structure, so that the evacuation platform can be manufactured by selecting appropriate materials according to actual conditions, and reasonable configuration of indexes such as economy, service life and portability is realized under the condition of meeting personnel evacuation.
The method for installing the evacuation platform in the turnout zone provided by the embodiment comprises the following steps: step S1, determining the installation mode of the nylon sleeve according to the manufacturing form of the sleeper of the turnout; step S2, laying a platform framework 1; step S3, the platform panel 2 is laid. At first according to the manufacturing form of the sleeper of switch, confirm the mounting means of nylon sleeve pipe, then install platform skeleton 1 on the nylon sleeve pipe through the bolt, lay platform panel 2 on platform skeleton 1 at last, install evacuation platform in the switch district, stride slot 31 in the switch district through evacuation platform, signal goat 3, the department such as cable, and fully considered the stability of train operation process to evacuation platform, reliability and the guide rail 6 of switch, switch fastener and signal change and remove the influence of maintenance and maintenance convenience such as machine 3, effectively avoided the interference to signal goat 3, cable etc., guaranteed the planarization of evacuation passageway, thereby made things convenient for personnel's evacuation, the security guarantee nature is higher.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. A method for installing an evacuation platform in a turnout area is characterized by comprising the following steps:
step S1, determining the installation mode of the nylon sleeve according to the manufacturing form of the sleeper of the turnout;
when the sleeper of the turnout is prefabricated, the nylon sleeve for fixing an evacuation platform is pre-buried in the manufacturing process of the sleeper;
when the sleepers of the turnout are the existing sleepers, drilling holes in turnout zone bed concrete between the sleepers, and embedding the nylon sleeves through the drilling holes;
step S2, laying a platform framework;
a plurality of platform frameworks are laid at intervals along the longitudinal direction of the turnout, and the bottoms of the platform frameworks are installed on the nylon sleeves through bolts for anchoring;
step S3, laying a platform panel;
the platform panel is laid on the platform frameworks along the longitudinal direction of the turnout direction, the platform panel spans between two adjacent platform frameworks, meanwhile, the platform panel spans a groove of a signal switch machine and a traction rod of the signal switch machine, and the surface of the platform panel is lower than the top surface of a steel rail.
2. The method for installing an evacuation platform at a switch area as claimed in claim 1, wherein the nylon sleeve is installed in step S1, and the anchoring pull-out resistance of the nylon sleeve needs to be ensured
Greater than pre-tightening force
Wherein, in the step (A),
in the formula (1), the first and second groups,
a safety factor is set;
the area of each platform panel;
is the wind load of the tunnel piston;
anchoring for each of said platform panel areasThe number of bolts used.
3. The method for installing an evacuation platform at a switch area according to claim 2, wherein when the nylon sleeve is embedded in the borehole, bar-planting glue is injected into the borehole.
4. The method for installing a turnout zone evacuation platform according to claim 2, wherein the anchoring torque of the platform frame is obtained when the platform frame is installed in step S2
The following formula is satisfied:
in the formula (2), the first and second groups,
a nominal diameter of the bolt for anchoring;
is the torque coefficient;
is a pre-tightening force.
5. The method of installing a turnout zone evacuation platform of claim 4, wherein the torque coefficient is
The value range of (A) is 0.01-0.45.
6. The method of installing a turnout zone evacuation platform of claim 1, wherein in step S3, it is determined whether the platform panel is at a groove of the signal switch machine or at a guideway of a turnout,
when the platform panel is positioned at a groove of the signal switch machine or a guide rail of the turnout, one end of the platform panel is hinged to the platform framework, and the other end of the platform panel is connected with the platform framework through a locking structure; or a guide rail sliding structure is arranged between the side part of the platform panel and the platform framework, the platform panel can slide on the platform framework along the longitudinal direction of the turnout direction, and a locking structure is arranged between the platform panel and the platform framework;
when the platform panel is not positioned at the groove of the signal switch machine or the guide rail of the turnout, two ends of the platform panel are respectively fixed on the two corresponding platform frameworks.
7. The method for installing an evacuation platform at a switch area according to claim 1, wherein in step S3,
the platform panel is not arranged in the switch moving range of the turnout;
in the working edge area of the guide rail of the turnout, a gap with the width of a wheel rim groove is reserved between the side edge of the platform panel and the steel rail, in the non-working edge area of the guide rail of the turnout, the side edge of the platform panel is closely attached to the steel rail, and the height of the platform panel is higher than that of the turnout fastener; at the same time, the sides of the deck panel in the area outside the switching range of the switch and the guideway region of the switch do not extend to the switch fasteners.
8. The method for installing an evacuation platform in a switch area according to claim 1, wherein a slope is arranged in the switch area and at the starting point and/or the ending point of the evacuation platform, and the proportion of the slope is in the range of 1: 5-1: 10.
9. The method for installing an evacuation platform at a switch area according to claim 1, wherein a light reflecting sign for indicating an evacuation direction is installed on the platform panel, and the light reflecting sign is detachably installed on the platform panel; or the light-reflecting mark and the platform panel are of an integrated structure.
10. The method of installing a turnout zone evacuation platform of claim 1, wherein the platform panel is of a concrete or composite construction.
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