JP2018140695A - Platform door - Google Patents

Abstract

[PROBLEMS] To provide a safe and lightweight rotating platform door that opens or closes an opening/closing door by simultaneously rotating a plurality of rotating rails formed of vertically long and durable plate materials. SOLUTION: One or a plurality of traction cables 8 are inserted through one or a plurality of insertion holes 7a to 47a provided in the upper part and/or the middle part of a vertically long durable plate, and the lower part is a platform 11. It has a plurality of rotating fences 7 to 47 supported by a rotating shaft 6 installed in the lower part of the gatepost 1a perpendicular to the edge on the side of the track 12, and one end of the traction cable 8 is pulled when the opening and closing door 1 is closed. It is fixed at the upper part and/or the middle part of the rotating fence 7 located at the lowest stage, and the other end of the traction cable 8 is fixed to the electric winder 5 in the gate post 1a, and the rotating shaft 6 is the center. The opening/closing door structure is characterized in that it can be freely rotated to the left and right. [Selection diagram] Fig. 1

Description

The present invention relates to a rotating platform door (hereinafter abbreviated as a “home door”) installed on a platform of a railway station.

Safety equipment called platform doors and platform fences are being installed in order to prevent passengers from falling on the platform of railway stations and accidents involving contact with trains.
The home door is erected on the platform side of the platform and is closed until the train entering the station stops, and has a door mechanism that can be opened and closed as soon as the train door opens.
As the home door, technologies such as a slide type home door that opens and closes from side to side and a rotary type home door that opens and closes when the door rotates are disclosed.

  Patent Document 1 “Platform Gate and Opening / Closing System thereof” includes a gate pillar supported by a platform and a safety door rotatably supported by the gate pillar, and the safety door is horizontally long when closed. There is disclosed a platform gate and its opening / closing system that circularly moves between two positions: a position and a vertically long position that is vertically long when opened.

Patent Document 2 “Door Opening / Closing Mechanism” is provided with a door that rotates by moving between a closing position and an opening position that opens the passage, a drive unit that rotates the door, and the drive unit that is installed in the passage. The door that holds the door rotated by the drive unit and stores the door that is moved to the open position, and the rotational moment of the door in the opposite direction to the door across the center of rotation of the door A door opening / closing mechanism including a balancer for balancing the above is disclosed.

JP 2003-118567 A Japanese Patent No. 5528499

On the railway station platform, installation of a platform door is required in order to protect the safety of passengers, but there are many problems such as technical and economic restrictions.
The sliding platform doors that are currently used in many stations are such that the door itself that opens to the left and right and the doorcase that houses the doors can be used for wind pressure when passing through the train, lateral loads such as when passengers push or lean on them. In order to withstand it, it has a large, rigid structure with high safety. On the other hand, the entire platform door becomes heavy, and the platform itself needs to be reinforced when the sliding platform door is installed. For this reason, prolonged construction period and increase in construction costs are problems, which are obstacles to the spread of home doors.
As a technology other than the sliding platform door, the following pivot platform technology is disclosed, but it is not necessarily a technology for ensuring the safety of passengers, but a technology that facilitates installation work. Absent.

  Patent Document 1 “Platform Gate and its Opening / Closing System” relates to a gate that blocks a boarding passage with a plurality of arm-like safety door elements attached to a gate pillar based on the open / close state of a train door. It does not relate to a pivoting type home door that is arranged so as to prevent a passenger from passing through easily by closing the gap between safety door elements as much as possible when closed.

Patent Document 2 “Door Opening / Closing Mechanism” relates to a door opening / closing mechanism including a door with a fan-shaped door cover attached and a balancer on the opposite side of the door centering on the rotation axis of the door opening / closing mechanism. The door cover is a home door that opens and closes the entrance / exit passage by rotating around the rotation shaft provided at the end of the door pocket, and a rotating fence made of a plurality of vertically long plates rotates simultaneously. Thus, it does not relate to a home door having a structure for opening and closing the door.
Further, the door opening / closing mechanism has a structure in which a space part that can enter the central part is formed when the pair of left and right fan-shaped doors is closed.

The object of the present invention has been made in view of the problems of the prior art as described above.
Provided is a safe and lightweight rotary platform door that simultaneously opens and closes an open / close door by simultaneously rotating a plurality of rotary fences formed of a vertically long plate.

A platform door according to a first aspect of the present invention is a platform door in which a plurality of gate pillars and open / close doors, which are configured as a pair of left and right installed at or near the end of the platform on the track side, are provided, and the pair of left and right open / close doors. Each door on the left and right sides of the door is inserted with one or a plurality of tow lines through one or a plurality of insertion holes provided in the upper part and / or the middle part of the vertically long plate, and the lower part of the platform A plurality of rotating fences supported by a rotating shaft installed at a lower part in the gate pillar perpendicular to the end on the track side, and one end of the tow rope is positioned at the lowest stage when the door is closed An open / close door structure that is fixed at an upper part and / or an intermediate part of a rotating fence, and that has the other end of the tow rope fixed to an electric winder in the gate pole, and that is rotatable right and left around the rotation axis. It is characterized by that.

When the open / close door according to claim 1 is opened, the platform door according to claim 2 winds the tow rope according to claim 1 with an electric winder and simultaneously rotates a plurality of rotating fences to The rotating fence is housed in or close to the gate pole and folded in close proximity, and when the open / close door is closed, the pulling rope according to claim 1 is sent out by an electric winder to form a plurality of rotating fences. Are simultaneously rotated in the direction opposite to the rotation direction so that the plurality of rotation fences are separated from the gate pillar and are spread radially, and in the spread state, the most of the plurality of rotation fences The long rotating fence and the tip of the rotating fence in the lower stage are located on the vertical line at the central meeting part of the pair of left and right doors.

According to a third aspect of the present invention, the platform door is supported by the rotating fence according to the first or second aspect through a plurality of support members attached perpendicularly to the rotation shaft according to the first or second aspect, and one platform door. Or it is the structure fixed so that it might become parallel to the said rotating shaft on the one side or both sides of the lower part of each said one rotation fence for every two said supporting members.

A platform door according to a first aspect of the present invention is a platform door in which a plurality of gate pillars and open / close doors, which are configured as a pair of left and right installed at or near the end of the platform on the track side, are provided, and the pair of left and right open / close doors. Each door on the left and right sides of the door is inserted with one or a plurality of tow lines through one or a plurality of insertion holes provided in the upper part and / or the middle part of the vertically long plate, and the lower part of the platform A plurality of rotating fences supported by a rotating shaft installed at a lower part in the gate pillar perpendicular to the end on the track side, and one end of the tow rope is positioned at the lowest stage when the door is closed An open / close door structure that is fixed at an upper part and / or an intermediate part of a rotating fence, and that has the other end of the tow rope fixed to an electric winder in the gate pole, and that is rotatable right and left around the rotation axis. So
By constructing the rotating fence with vertically long plate and ropes, etc., it is possible to reduce the weight compared to conventional door type home doors, and to increase the scale of reinforcement work for the platform itself. It is possible to reduce the size, and it is possible to reduce the cost of installation work and the construction period.
The gate pillar can be reduced in size, and it is easy to make a structure with a wide opening compared to a conventional sliding platform door.
The lower part of each rotating fence is supported by a rotating shaft, and a plurality of tow rope insertion holes are provided in each rotating fence, and a plurality of towing lines are inserted into the respective insertion holes. By fixing to the rotating fence located in the position, the structure can be made stronger against the lateral load when the passenger pushes or leans on the door in the fully closed state.

When the open / close door according to claim 1 is opened, the platform door according to claim 2 winds the tow rope according to claim 1 with an electric winder and simultaneously rotates a plurality of rotating fences to The rotating fence is housed in or close to the gate pole and folded in close proximity, and when the open / close door is closed, the pulling rope according to claim 1 is sent out by an electric winder to form a plurality of rotating fences. Are simultaneously rotated in the direction opposite to the rotation direction so that the plurality of rotation fences are separated from the gate pillar and are spread radially, and in the spread state, the most of the plurality of rotation fences Because the tip of the long rotating fence and the rotating fence in the lower stage is located on the vertical line at the central meeting part of the pair of left and right doors,
A structure in which the plate surface of the elongated flat-shaped rotating fence is provided vertically in a state orthogonal to the home edge, and a clearance is formed between the rotating fences when the door is closed, thereby releasing the wind pressure when passing through the train By doing so, unlike the conventional door type home door, it is not necessary to increase the rigidity of the entire home door, it can be reduced in weight, and it can have a structure that is strong against lateral load when the passenger leans It is.
By attaching an appropriate number of rotating fences, the gap between the plurality of rotating fences can be narrowed and intruders can be prevented from entering, so safety is improved.
Compared to a conventional home door in which a pair of left and right fan-shaped doors is rotated, the space at the center when the pair of left and right open / close doors is closed can be made smaller and narrower, and intruders can be prevented from entering.

According to a third aspect of the present invention, the platform door is supported by the rotating fence according to the first or second aspect through a plurality of support members attached perpendicularly to the rotation shaft according to the first or second aspect, and one platform door. Or, since each of the two supporting members is a structure fixed so as to be parallel to the rotating shaft on one side or both sides of the lower part of each rotating fence,
By adopting a structure in which each rotating fence is firmly fixed to the rotating shaft via each support member, a structure that is strong against a lateral load when a passenger pushes or leans on can be obtained.
Further, by adopting a structure in which one rotating fence is fixed to the rotating shaft via a pair of supporting members, it is more resistant to lateral load than a case where it is fixed to the rotating shaft via one supporting member. It can be a structure.

It is the front view and top view which show the cross section of 1st Example of the (a) fully open state and (b) fully closed state of the platform door which concern on this invention. It is the front view and top view which show the cross section of 2nd Example of the (c) fully open state and (d) fully closed state of the platform door which concern on this invention. It is the front view which expands and shows the (e) fully open state and the (f) fully closed state of the A section of FIG. It is the front view and top view which expand and show the example of the structure of the (g) fully open state and the (h) fully closed state of the A section of FIG. 1 or FIG. It is the front view and top view which expand and show the other example of the structure of the (i) fully open state and the (j) fully closed state of the A section of FIG. 1 or FIG. It is a top view which expands and shows the other example of the DD arrow of FIG. It is explanatory drawing which shows the (k) 1st case and (l) 2nd case of the shape of the rotation fence of FIG.

  An embodiment of a platform door according to the present invention will be described with reference to FIGS. In addition, this invention is not limited only to the following embodiment. It goes without saying that the following constituent elements can be omitted or added, and the shape of the constituent elements can be changed without departing from the gist of the present invention. Moreover, the figure shows an outline, and only a part is drawn and the detailed structure is omitted.

FIG. 1 is a front view and a plan view showing a cross section of the first embodiment of the platform door according to the present invention in the fully opened state (a) and in the fully closed state (b). The upper part of each of (a) and (b) is a front view, and the lower part is a plan view.
The platform door has a structure in which a plurality of open / close doors 1 and gate pillars 1a, which are configured as a pair of left and right, installed at or near the end of the railway platform 11 (hereinafter abbreviated as platform 11) on the track 12 side. .
The home door is perpendicular to the edge of the platform 11 on the track 12 side, and is provided with a rotary shaft 6 installed at the lower part of the gate pillar 1a, and a plurality of support members 10-50 attached to the rotary shaft 6 so as to be rotatable. Rotation fences 7 to 47 supported by the rotary shaft 6 through the support members 10 to 50, one or a plurality of tow ropes 8 inserted into the rotation fences 7 to 47, The drive unit 2 (not shown) which winds up the tow rope 8 is provided.
The drive unit 2 includes an electric winder 5, an electric motor fixed to the electric winder 5 and rotating the electric winder 5, a speed reducer, a brake mechanism, an emergency battery, and the like. Yes.
The rotating shaft 6 and the drive unit 2 are accommodated in the gate pillar 1a.
The tow rope 8 is fixed at the upper part and / or the middle part of the rotating fence 7 located at the lowest stage when the door 1 is closed.
Moreover, the said electric winding machine 5 and the rotation fences 7-47 are connected with the tow rope 8 via the pulley 3 provided in the gate pillar 1a upper part.
FIG. 1 shows an example in which each of the left and right doors of the pair of left and right open / close doors 1 is composed of five rotating fences 7 to 47 and one pulling rope 8 is inserted. The number of sheets is set so that a person cannot enter the gap between 7-47.

The (a) fully open state of the open / close door 1 in FIG. 1 is a state where the train stops, the passenger passage is opened by opening the passenger passage.
In order to make this fully open state, the electric motor of the drive unit 2 is driven, and the electric winder 5 rotates, that is, the electric winder 5 of the left door 1 as viewed from the home 11 side is counterclockwise. While rotating around, the electric winder 5 of the right door 1 is rotated clockwise so that the tow rope 8 is wound into the gate pole 1a, and the rotating fences 7 to 47 is a state in which the rotating fences 7 to 47 are housed in the gate pillar 1a or folded close to the rotary shaft 6 as a center.

On the other hand, the fully closed state (b) of the open / close door 1 is a state when the passenger is waiting for a train at the platform 11 with the passenger passage closed.
In order to make this fully closed state, the electric motor of the drive unit 2 is driven, and the electric winder 5 rotates in the direction opposite to the rotation direction, that is, the left open / close door 1 as viewed from the home 11 side. The electric winder 5 of the right door 1 is rotated clockwise, and the electric winder 5 of the right door 1 is rotated counterclockwise, so that the tow rope 8 is sent out in the direction toward the outside of the gate pillar 1a. Thus, the rotating fences 7 to 47 are rotated about the rotating shaft 6 and are in a state of spreading substantially radially.
Further, a brake mechanism (not shown) may be provided in the electric winder 5 to release the brake and send out the wound tow rope 8.

Each component of the home door will be described.
A member such as a wire rope is used for the tow rope 8.
The rotating fences 7 to 47 are made of a vertically long metal or resin plate having durability. Moreover, the rotation fences 7-47 set width (depth) and thickness so that it can endure a lateral load when a passenger pushes or leans, and the foundation of the gate pillar 1a can withstand its weight.

The platform door of the first embodiment has the following effects compared to a conventional door-type platform door.
By constructing the rotary fences 7 to 47 with a plate material having a vertically long durability and a tow rope 8 such as a rope, the weight can be reduced as compared with a conventional door type home door, and the platform itself is reinforced. The scale of the construction can be reduced, the cost of the installation work can be reduced, and the construction period can be shortened.
The plate surfaces of the elongated flat-shaped rotating fences 7 to 47 are provided vertically in a state orthogonal to the home edge, and a gap is formed between the plurality of rotating fences 7 to 47 when the open / close door is closed. With a structure that releases the wind pressure of the time, there is no need to increase the rigidity of the entire home door, unlike conventional door type home doors, it can be reduced in weight, and it is also strong against lateral loads when the passenger leans It can be a structure.
The gate pillar 1a can be reduced in size, and it is easy to make it a structure with a wide opening compared with the conventional sliding type home door.
By attaching an appropriate number of rotating fences, the gap between the plurality of rotating fences can be narrowed and intruders can be prevented from entering, so safety is improved.

FIG. 2: is the front view and top view which show the cross section of 2nd Example of the platform door which concerns on this invention of (c) fully open state and (d) fully closed state. In each of (c) and (d), the upper part is a front view, and the lower part is a plan view.
The description of the same configuration as in FIG. 1 is omitted.
The home door shown in FIG. 2 has a structure in which a weight 9 is provided at a tip portion in a direction opposite to the fixed portion of the rotating fence 7 that is positioned at the lowest stage when the door 1 of the tow rope 8 is closed. The drive unit 2 (not shown) is provided between the pulley 3 and the rotating fence 47.
The drive unit 2 includes, in addition to the electric feeder 4, an electric motor, a speed reducer, a brake mechanism, an emergency battery, and the like that are fixed to the electric feeder 4 and rotate the roller 4a in the electric feeder 4. Yes.

An example of the dimensions shown in FIG. 1 or FIG. 2 will be described.
The height H from the home 11 to the tip of the rotary fence 7 positioned at the lowest level when the door 1 is closed is about 300 to 500 mm, which is difficult for children as well as adults to enter.
The number of the rotating fences is a number that forms a gap angle at which it is difficult for a person to enter the gap between the rotating fences.
Further, as shown in FIGS. 1 and 2, when the door 1 is closed, the plurality of rotating fences 7 to 47 are rotated so as to spread substantially radially, and the longest rotation of the plurality of rotating fences 7 to 47 is performed. The front ends of the fence 27 and the rotating fences 7 and 17 at the lower stage of the fence 27 are positioned on the vertical line at the central meeting part of the pair of left and right doors 1.
Moreover, it is preferable to make it the shape where the front-end | tip part of the longest rotation fence 27 and the rotation fences 37 and 47 in the upper stage was located on the same line of a horizontal direction.
In addition, it is good also as a structure which provides a small clearance gap between the front-end | tips of the right-and-left rotation fences 7-27.

The following effects can be obtained by manufacturing the home door with the above dimensions and shape.
Compared to a conventional home door in which a pair of left and right fan-shaped doors is turned, the space at the center when the pair of left and right open / close doors 1 is closed can be made smaller and narrower, and intrusion of passengers can be prevented.
Moreover, when it is set as the structure which provides a small clearance gap between the front-end | tips of right-and-left rotation fences 7-27, when the left-right door 1 closes, the front-end | tips of right-and-left rotation fences 7-27 will contact and damage. Can be prevented.

FIG. 3 is an enlarged front view showing (e) the fully open state and (f) the fully closed state of the portion A in FIG. 2.
The electric feeder 4 has feed rollers 4a and 4a that are attached to the upper part of the gate pole 1a with a mounting frame 4b and are installed inside and below, and a tow rope 8 is passed between the upper feed roller 4a and the lower feed roller 4a. It is a structure which sends out the tow rope 8 by rotating the rollers 4a and 4a.
To fully close the open / close door 1 in (f), the feed rollers 4a and 4a in the electric feeder 4 are rotated, and the rotating fences 7 to 47 are rotated in a direction toward the outside of the gate pillar 1a. The tow rope 8 is sent out and stopped in a state where the rotating fences 7 to 47 spread radially. Further, after the towing line 8 having a length corresponding to the length of the feeding is sent out, the towing line 8 is fixed so as not to move by a brake mechanism (not shown) in the electric feeding machine 4.
(E) In order to make the open / close door 1 fully open, the feed rollers 4a and 4a in the electric feeder 4 are rotated in the opposite direction to the fully open state, and the rotating fences 7 to 47 are directed in the gate pillar 1a. Thus, the tow rope 8 can be wound up by the gravity of the weight 9 provided at the distal end in the opposite direction to the fixed portion of the rotating fence 7 positioned at the lowest stage when the door 1 is closed. In addition, after winding the tow rope 8 having the length of the fed-out, and after the turning fences 7 to 47 are housed or folded close to the gate post 1a, the brake mechanism in the electric feeder 4 is used. The tow rope 8 is fixed so as not to move.

The platform door of the second embodiment has the following effects.
In order to make the open / close door 1 fully closed, the tow rope 8 can be wound in the direction toward the inside of the gate column 1a by the gravity of the weight 9 provided at the tip of the tow line 8, so that an electric winder 5 or the like is provided. The tow rope 8 can be wound with a small driving force compared to the case, and the platform door can be configured with a simple member.
By making the weight 9 have the same weight as the plurality of rotating fences 7 to 47, the rotating fences 7 to 47 can be rotated with a small force, and the power of the electric motor necessary for the rotation can be reduced. Is possible.

FIG. 4 is an enlarged view showing an example of the structure of (g) fully open state and (h) fully closed state of part B of FIG. 1 or FIG.
The upper part of (g) and (h) are front views, and the lower part of (g) is a plan view taken along the line CC.
The home door has a structure in which a plurality of pairs of support members 10 to 50 are fixed so as to be orthogonal to the rotation shaft 6, and each of the rotating fences is orthogonal to the slits 10 a to 50 a provided in the support members 10 to 50. 7 to 47 are inserted and fixed.
The support members 10 to 50 are provided with insertion holes 10 b to 50 b of the rotation shaft 6, respectively, and the rotation shaft 6 is inserted into the insertion holes 10 b to 50 b.
In the example of FIG. 4, the support members 10 to 50 are fixed so as to become longer from the center in the length direction of the rotating shaft 6 toward the outer side in the length direction so that the rotating fences 7 to 47 do not interfere with each other. In addition, the support members 10 to 50 of the rotary fences 7 to 47 are supported on the outer side in the length direction of the rotary shaft 6 so that the rotary fences 7 to 47 are in an upright state when the door 1 is fully opened. It is set as the shape and arrangement | positioning which length becomes about 10-50 members.
Each of the rotating fences 7 to 47 has a structure in which the left and right lower end portions are fitted into the slits 10a to 50a at the tip portions of a pair of support members 10 to 50 having the same length and fixed by welding or the like. For example, when the door 1 is closed, the lowermost rotating fence 7 is fixed by being fitted into the slits 10a and 10a of the longest support members 10 and 10, and at the final stage, the pair of support members 10 to 50 is provided. In other words, both sides of the lower part of each of the rotating fences 7 to 47 are fixed so as to be parallel to the rotary shaft 6.
The support members 10 to 50 are made of a plate material having durability like the rotating fence.
Further, as shown in FIG. 4, the rotating fences 7 to 47 and the fixing portions of the support members 10 to 50 are fixed at positions away from the center of the rotating shaft 6, so that the rotating fences 7 to 47 are used on the lever principle. Can be smoothly rotated in a direction away from the gate pillar 1a.

FIG. 5 is an enlarged view showing another example of the structure of (i) the fully open state and (j) the fully closed state of the A part of FIG. 1 or FIG.
The upper part of (i) and (j) are front views, and the lower part of (i) is a plan view taken along the line DD.
The description of the same structure as in FIG. 4 is omitted.
In the case of FIG. 5, as in the case of FIG. 4, the support member 10 having a longer length from the center in the length direction of the rotating shaft 6 toward the outer side in the length direction so that the rotating fences 7 to 47 do not interfere with each other. ˜50 are used, but the notches 7b at the bottom of the rotating fence 7 are inserted between the support members 10 and 10 and both sides are fixed by welding or bolts. By setting it as such a structure, the support members 10-50 can each be manufactured at the same height.
Each rotation fence 7-47 is made into the structure where each lower notch part 7b-47b is inserted between each pair of support members 10-50 of the same length, and it fixes with welding, a volt | bolt, etc. For example, when the door 1 is closed, the rotating fence 7 positioned at the lowermost stage is fixed by inserting the cutout portion 7b between the longest support members 10 and 10 and the two support members 10 at the final stage. It becomes the state fixed so that it might become parallel to the rotating shaft 6 on both sides of the notch part 7b-47b of the said each rotation fence 7-47 for every ~ 50.

  FIG. 6 is an enlarged plan view showing another example of the arrow DD in FIG. 5, on one side of the lower part of each rotating fence 7 to 47 for each supporting member 10 to 50. The structure fixed so that it may become parallel to the rotating shaft 6 is shown.

FIG. 7 is an explanatory diagram showing (k) the first case and (l) the second case of the shape of the rotating fence in FIG. 5.
The example at the time of seeing the rotation fence 47 nearest to the gate pillar 1a from the plate | board surface direction is shown.
(K) The first case has a lower notch 47 b that is narrower than the width of the rotating fence 47 and has a width that can be fitted between the support members 50, 50 at the lower part of the rotating fence 47. This is an example of structure. In this case, each of the rotating fences 7 to 47 is manufactured with the same width at the upper part from the lower notches 7b to 47b.
(L) The second case is a structure in which the entire rotation fence 47 is manufactured with a width that can be inserted between the support members 50 and 50. In this case, each of the rotating fences 7 to 47 is manufactured with a width that can be fitted between the two supporting members 10 to 50 as a whole.

The number and fixing method of the rotating fence and the supporting member are not limited to the above, and an optimal one is selected.
Without providing the support members 10 to 50, a support portion (not shown) is provided below each of the rotation fences 7 to 47, and the rotation fences 7 to 47 are fixed to the rotary shaft 6 via the support portions. good.

In order to further improve safety, the rotating fences 7 to 47 are attached to a cushioning member at the top end of the rotating fences, or chamfered at the leading end, thereby causing injury caused by the rotating fences coming into contact with passengers. It is possible to prevent.
Further, by attaching a light emitter to the tip of the rotating fences 7 to 47 or applying a fluorescent paint, nighttime visibility can be enhanced, and the home door can be operated more safely.

By making each rotation fence 7-47 into the structure which fixes to the rotating shaft 6 firmly via each support member 10-50, it is set as a structure strong against a lateral load when a passenger pushes or leans. be able to.
Further, by adopting a structure in which one rotating fence is fixed to the rotating shaft 6 via a pair of supporting members, a lateral load is further increased as compared with a case where the rotating fence is fixed to the rotating shaft 6 via one supporting member. It can be made to have a strong structure.

The rotating fences 7 to 47 have a structure including one or a plurality of insertion holes 7a to 47a through which one or a plurality of tow ropes 8 are inserted, and each of the towing ropes 7a to 47a has the above-mentioned each tow rope. 8 is a structure in which the rotating fences 7 to 47 are connected to each other.
The insertion holes 7a to 47a of the rotating fences 7 to 47 are provided at positions where the tow rope 8 draws a substantially arc between the rotating fences 7 to 47 when the door 1 is fully closed.
A plurality of the insertion holes 7a to 47a can be provided in the upper part of the rotating fences 7 to 47, the longitudinal direction of the intermediate part, the left and right, and the lateral direction of the intermediate part as necessary.

While supporting the lower part of each rotation fence 7-47 with the rotating shaft 6, providing each of the rotation fences 7-47 with a plurality of insertion holes 7a-47a of the tow rope 8, a plurality of towings in each of the insertion holes 7a-47a. When the passenger 8 pushes or leans in the fully closed state of the door 1 by inserting the cable 8 and fixing the tow rope 8 to the rotating fence 7 positioned at the lowest level when the door 1 is closed. A structure that is strong against lateral loads can be obtained.

The insertion holes 7a to 47a are preferably circular holes, and the edges of the circular holes are preferably rounded so as not to damage or break the tow rope 8 so as to have appropriate friction.
With such a structure, when the door 1 is fully closed or fully opened, the tow rope 8 and the rotary fence 7 to 7 are caused by friction between the tow rope 8 and the insertion holes 7 a to 47 a of the rotary fences 7 to 47. 47 can be prevented from being worn or damaged.

An example of a method for controlling the opening / closing operation of the home door will be described.
The home door includes, for example, a sensor (not shown) that detects a signal that informs an open / closed state of a train door that is automatically or manually issued from a transmitter (not shown) mounted on the train. Based on the open / closed state of the train door detected by the sensor, the electric winder 5 housed in the gate pillar 1a is driven to open and close the open / close door 1.
Thus, by controlling the fully open and fully closed state of the open / close door 1 based on the open / closed state of the train door, it is possible to ensure the safety of the passenger and realize smooth passenger entry / exit. .

The platform door according to the present invention is not limited to the above-described embodiment, and various configuration changes can be made without departing from the gist thereof.

1 Open / close door
1a Gate pillar 2 Drive unit 3 Pulley
4 Electric Feeder 4a Feeding Roller 4b Mounting Frame 5 Electric Winder 6 Rotating Shaft 7 Rotating Fence 7a Inserting Hole 7b (of the Rotating Fence) Notch 8 (Towing of the Rotating Fence) 8 Towing Line 9 Weight 10 Supporting Member 10a Slit 10b (for support member) Insertion hole 11 (for support member) Platform 12 Line

Claims (3)

A platform door comprising a pair of left and right gate pillars and doors installed at or near the end of the platform on the track side. The left and right doors of the pair of left and right doors are vertically long. One or a plurality of tow ropes are inserted into one or a plurality of insertion holes provided in the upper part and / or the middle part of the plate having a property, and the lower part is perpendicular to the edge of the platform on the track side and the gate pillar It has a plurality of rotating fences supported by a rotating shaft installed at the lower part of the inside, and one end of the tow rope is fixed at the upper part and / or the middle part of the rotating fence located at the lowest stage when the opening / closing door is closed And an open / close door structure in which the other end of the tow rope is fixed to an electric winder in the gate pole and is rotatable left and right about the rotation shaft.
When the open / close door according to claim 1 is opened, the pulling rope according to claim 1 is wound up by an electric winder and the plurality of rotating fences are simultaneously rotated so that the plurality of rotating fences are stored in or close to the gate pillar. When the open / close door is closed, the tow rope according to claim 1 is sent out by an electric winder and the plurality of rotating fences are set in a direction opposite to the rotating direction. The plurality of rotating fences are rotated at the same time so as to be separated from the gate pillar and expand in a substantially radial state, and in the expanded state, the longest rotating fence among the plurality of rotating fences and the lower stage thereof. 2. The home door according to claim 1, wherein a tip end portion of the rotating fence is positioned on a vertical line at a central meeting portion of the pair of left and right open / close doors.
The rotating fence according to claim 1 or 2 is supported via a plurality of support members attached orthogonally to the rotation shaft according to claim 1 or 2, and one piece for each of the one or two support members. The platform door according to claim 1 or 2, wherein the platform door is fixed so as to be parallel to the rotation axis on one side or both sides of the lower part of each rotating fence.

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