JP5555006B2 - Platform clearance adjustment device - Google Patents

Description

  The present invention relates to a platform gap adjusting device.

When a vehicle arrives on the premises at a railway station, a large gap may be created between the platform and the platform at the entrance of the vehicle.
For example, Patent Document 1 and Patent Document 2 have proposed a platform clearance adjusting device that prevents the danger of a passenger falling onto a track so as to close the clearance.

  Patent Document 1 discloses that a platform and a vehicle when a movable tread plate pivotally supported at the tip of the platform is pivoted upward by a drive mechanism installed in a recess of the platform and is rotated upward. And fill the gap. The recess in which the drive mechanism is housed is covered with a lid that forms the upper surface of the platform.

  In Patent Document 2, the fall prevention member is installed so as to be able to protrude and retract in a substantially horizontal direction so as to be fitted in a storage portion in which the upper surface of the end edge of the platform is recessed, and the fall prevention member is arranged in a substantially horizontal direction by a drive mechanism. To fill the gap between the platform and the vehicle. The storage portion is covered by a ceiling member that forms the upper surface of the platform.

JP 2000-142381 A JP 2002-53035 A

By the way, in what is shown by patent document 1 and patent document 2, since a drive mechanism is covered with the cover or the ceiling member, it cannot approach unless these are removed. Since it is difficult to approach a drive mechanism having a high maintenance frequency in this way, the maintenance work itself becomes large, and the maintenance performance is not good, for example, the work time becomes long.
In addition, since the drive mechanism having a large size is installed in the recess (depression) of the platform, the installation work takes time and the assembly cost is increased, for example, the platform is deeply dug.

  An object of this invention is to provide the platform clearance adjusting device which can improve a maintainability in view of the said subject.

In order to solve the above problems, the present invention employs the following means.
That is, according to one aspect of the present invention, there is provided a fixed tread member that forms a tread at an edge of the platform, a movable tread member that is disposed below the fixed tread member and is installed so as to be able to appear and retract on the track side, and the movable tread member. And a drive member that drives the step board member to move in and out, and a platform gap adjustment device that projects the movable tread board member to close a gap formed between the track-side edge of the platform and the entrance / exit portion of the vehicle. The driving member is fixed to the movable tread plate member, and extends from the side end portion of the movable tread member to the side through the platform, and the connecting portion is connected to the movable tread plate. a driving unit for moving the retractable direction of member, is provided, the platform at a position away from the space corresponding to the opening of the vehicle in a direction along the longitudinal direction of the platform The provided recesses, connecting portion and said connecting portion said drive unit is a platform clearance adjustment device positioned.

According to this aspect, when the drive unit is actuated, the connection unit moves in the direction in which the movable tread member is projected and retracted. Since the connecting portion is fixed to the movable tread plate member, when the connecting portion moves, the movable tread plate member moves to the vehicle side or the platform side with respect to the fixed tread member, in other words, the platform. When the vehicle enters the platform and stops at a predetermined position, the drive unit is actuated, and the movable tread member is moved to the vehicle side via the connecting unit to close the gap between the vehicle entrance and exit. When the passengers get on and off, the drive unit moves the connecting unit in the opposite direction and immerses the movable tread member.
Since the connecting portion is provided so as to extend laterally from the side end portion of the movable tread plate member over the platform, the driving portion for moving the connecting portion can be provided on the platform. Therefore, since the connection portion and the drive portion can be easily approached, maintenance work can be easily performed in a short preparation time, and maintainability can be improved.

  In the above aspect, the movable tread plate member may be positioned above the upper surface of the platform and supported movably on the upper surface.

  If it does in this way, since it is not necessary to dig a platform in order to install a movable tread member, the installation work can be performed correspondingly and it can be performed in a short time. Thereby, the installation cost of a platform clearance adjusting device can be reduced.

  In the above aspect, the fixed tread member may be formed to be substantially flush with the upper surface of the platform.

  In this way, there is no difference in height, that is, no step between the upper surface of the platform and the fixed tread member, so that passengers can get on and off safely without tripping and without feeling inconvenience.

  In the said aspect, it is suitable for the downward direction of the said movable tread member to be used as a wiring path | route.

  Below the movable tread plate member, there is a space for installing a member to be moved. Since this space is used as a wiring path, the installation location of the platform clearance adjusting device can be effectively utilized.

  In the above aspect, it is preferable that the vehicle side end portion of the movable tread member is formed of an impact absorbing member that absorbs an impact.

  In this case, even if the distance between the vehicle and the movable tread member is reduced due to some factor and the movable tread member collides with the vehicle, the impact is absorbed by the shock absorbing member, so the remaining part of the vehicle and the movable tread member In addition, the influence on the driving member can be reduced.

  According to the present invention, the drive member for moving the movable tread member is fixed to the movable tread member and extends from the side end of the movable tread member to the side through the platform, and the connecting portion. Is provided with a drive unit that moves the movable tread plate member in the protruding and retracting direction, so that maintenance work can be easily performed in a short preparation time, and maintainability can be improved.

It is a perspective view which shows a part of platform door apparatus provided with the platform clearance adjusting device concerning 1st embodiment of this invention. It is a fragmentary top view which shows a part of platform door apparatus of FIG. It is XX sectional view of FIG. It is a YY sectional view of Drawing 2 showing the state where a movable tread board member is waiting. It is a YY sectional view of Drawing 2 showing the state where a passenger is getting on and off. It is a partial top view which shows a part of platform door apparatus provided with the platform clearance gap adjustment apparatus concerning 2nd embodiment of this invention. It is a VV sectional view of Drawing 6. It is a WW sectional view of Drawing 6 showing the state where a movable tread member is waiting. It is a WW sectional view of Drawing 6 showing the state where a passenger is getting on and off. It is sectional drawing which shows the part similar to FIG. 9 of another embodiment of a movable tread.

Embodiments of the present invention will be described below with reference to the drawings.
[First embodiment]
Hereinafter, a platform gap adjusting device 1 according to a first embodiment of the present invention will be described with reference to FIGS. A platform gap adjusting device 1 according to the present embodiment is applied to a platform 5 on which a platform door device 3 is installed.
FIG. 1 is a perspective view showing a platform door device 3 using a platform clearance adjusting device 1 according to the present embodiment. FIG. 2 is a partial plan view showing a part of the platform door device 3. 3 is a cross-sectional view taken along the line XX of FIG. 4 is a cross-sectional view taken along the line YY of FIG. FIG. 5 is a YY cross-sectional view of FIG. 2 showing a state during getting on and off.

The home door device 3 includes a plurality of door pockets 7 fixed to the platform 5, and a sliding door 9 supported by the door pocket 7 so as to be movable in the vehicle entry direction L along the longitudinal direction of the platform 5. Yes.
A plurality of door pockets 7 are installed so as to extend in the incoming line direction L along the side edge (end edge) 11 on the track side of the platform 5. The door pockets 7 are installed at intervals so as to open a space corresponding to the entrance / exit portion of the vehicle in the incoming line direction L.
The sliding door 9 opens and closes a space corresponding to a vehicle entrance / exit part that is a gap between the door pockets 7. As shown in FIG. 1, a pair of sliding doors 9 are attached so as to appear and retract in the incoming line direction L from the door pockets 7 on both sides.

The platform door device 3 is provided with a platform clearance adjustment device 1 that closes a gap formed between the side edge 11 of the platform 5 and the entrance / exit portion of the vehicle at a portion where the sliding door 9 is opened and closed between the door pockets 7. Yes.
The platform clearance adjusting device 1 includes a fixed tread member 13 that forms a fixed tread on the side edge 11 of the platform 5, and a movable tread member that is disposed below the fixed tread member 13 and can be projected and retracted on the track side. 15 and a drive device (drive member) 17 for moving the movable tread member 15 in and out in the width direction (in and out direction) B.

The fixed tread member 13 is provided with a fixed tread 19 and a fixed slope 21.
The fixed tread 19 is a substantially rectangular plate material, and is fixed and arranged substantially parallel to the upper surface 23 at a predetermined distance, for example, several cm from the upper surface 23 of the platform 5.
The fixed slope 21 is a substantially rectangular plate material, connected to the rear of the fixed tread 19 (opposite to the vehicle side in the width direction B of the platform 5), and fixed so as to be inclined from the fixed tread 19 toward the upper surface 23. Installed.

The movable tread plate member 15 is provided with a movable tread plate 25, a movable slope 27, and a moving unit 29.
The movable tread plate 25 is a substantially rectangular plate material and is disposed substantially in parallel below the fixed tread plate 19. The movable tread 25 is spaced from the upper surface 23 of the platform 5 by, for example, several centimeters.
The movable slope 27 is a substantially rectangular plate material, is connected to the front of the movable tread 25 (the vehicle side in the width direction B of the platform 5), and is installed so as to incline from the movable tread 25 toward the upper surface 23. . Hereinafter, front, front, front, and the like refer to the vehicle side in the width direction B of the platform 5, and the rear refers to the opposite side of the vehicle 5 in the width direction B of the platform 5 from the front.

The moving unit 29 is provided below the front end portion and the rear end portion of the movable tread plate 25.
The moving part 29 is composed of a plurality of, for example, twelve roller members 31 arranged at intervals in the incoming line direction L. Each roller member 31 is attached to the lower part of the movable tread plate 25 and includes a roller that moves on the upper surface 23 in the width direction B at the lower part.
Therefore, the movable tread plate member 15 is positioned above the upper surface 23 of the platform 5 and is supported by the upper surface 23 so as to be movable.

Two sets of driving devices 17 are provided so as to be arranged on both sides of the movable tread member 15 in the incoming line direction L, respectively.
The driving device 17 is fixed to the movable tread plate member 15, and has a connection portion 33 that extends from the side end portion of the movable tread plate member 15 sideward on the platform, and a drive that moves the connection portion 33 in the width direction B. Part 35 is provided.
A guide rail 39 installed in a recess 37 dug into the platform 5, a piece member 41 attached to hold the guide rail 39 from both sides, one end to the piece member 41, And a connection member 43 having an end fixedly attached to the movable slope 27.

The concave portion 37 is provided in a position corresponding to the entrance / exit portion of the vehicle in the incoming line direction L, that is, a position away from a space where passengers get on and off. The concave portion 37 is disposed in the width direction B from the side edge 11 to the vicinity of the rear end portion of the door pocket 7. Therefore, the recessed part 37 is provided in the range which does not affect the movement of the passenger who passes the upper surface 23 of the platform 5. FIG.
The guide rail 39 and the piece member 41 constitute a so-called linear guide. The guide rail 39 is arranged on the bottom surface of the recess 37 so as to extend in the width direction B from the vicinity of the side edge 11 to the door pocket 7 to the front side position.
The connection member 43 is a columnar member having a rectangular cross section and extends forward from the piece member 41 in the width direction B, then extends upward to a position above the upper surface 23, and extends to the movable slope 27 along the incoming line direction L. It is configured as follows.
Accordingly, the connecting portion 33 extends on the platform 5.

The drive unit 35 includes a rack 45 fixedly attached to the piece member 41, a pinion 47 that meshes with the rack, and a motor 49 with a speed reducer that rotationally drives the pinion 47.
The rack 45 is attached to the piece member 41 so as to extend in the width direction B toward the rear side thereof, and teeth are formed on one side surface over substantially the entire length.
The pinion 47 is supported by the door pocket 7 so as to be rotatable so that the axis center is along the vertical direction, and meshed with the rack 45.

The motor 49 is supported by the door pocket 7. The motor 49 is covered with a cover 51 attached to the door pocket 7.
The drive unit 35 is not limited to the above-described structure, and a drive unit 35 having a known structure such as a belt or chain, a fluid pressure cylinder, or a linear motor may be used. it can.

A space 53 between the movable tread plate 25 and the upper surface 23, that is, below the movable tread plate member 15 and in which the moving member 29 is not located, is used as a wiring path of the home door device 3. Thereby, space can be utilized effectively. Moreover, since the wiring is covered with the movable tread 25 and the fixed tread 19, it is possible to prevent the passenger from being caught by the wiring when the passenger gets on and off.
Moreover, since it is not necessary to dig up the platform 5 in order to install the movable tread member 15, the installation work can be performed correspondingly and can be performed in a short time. Thereby, the installation cost of the platform clearance adjusting apparatus 1 can be reduced.

The operation of the platform door device 3 using the platform clearance adjusting device 1 according to the present embodiment described above will be described.
When the vehicle is not connected or passes, as shown in FIG. 1, the sliding door 9 protrudes from the door pocket 7, closes the position corresponding to the entrance / exit of the vehicle, and the platform 5 is closed by the door pocket 7 and the sliding door 9. A continuous wall portion is formed on the side edge 11 side.
At this time, as shown in FIG. 4, the platform gap adjusting device 1 is waiting at a position where the movable tread member 15 is immersed in the rear side and the movable slope 27 does not exceed the building limit 55.

When the vehicle enters, the motor 49 is driven to rotate and the pinion 47 is rotated. The rack 45 that meshes with the pinion 47 by the rotation of the pinion 47 moves toward the front side in the width direction B.
When the rack 45 moves, the piece member 41 is guided by the guide rail 39 and moves toward the front side in the width direction B. Since the connecting member 43 moves integrally with the piece member 41, the movable tread member 15 fixed thereto moves toward the front side in the width direction B. For example, as shown in FIG. 5, the movable tread plate member 15 moves until the front end of the movable slope 27 enters the vehicle limit 57 and closes the gap between the front edge 11 of the platform 5 and the entrance / exit of the vehicle. Thus, a continuous path is formed between the platform 5 and the entrance / exit of the vehicle by the fixed slope 21, the fixed tread plate 19, the movable tread plate 25, and the movable slope 27.

Then, the sliding door 9 is drawn in to the door pocket 7 side, and the space corresponding to the entrance / exit part of the vehicle in the incoming line direction L is opened.
The timing for opening and closing the sliding door 9 opens the vehicle entrance and exit, and passengers get on and off through the passage formed by the fixed slope 21, the fixed tread plate 19, the movable tread plate 25 and the movable slope 27.
When the passenger boarding / exiting is completed, the vehicle entrance / exit part is closed, and at the same time, the sliding door 9 is pulled out from the door pocket 7 to close the space corresponding to the vehicle entrance / exit part.

Next, the motor 49 is rotationally driven in the reverse direction, and the pinion 47 is rotated. The rack 45 that meshes with the pinion 47 by the rotation of the pinion 47 moves toward the rear side in the width direction B, and the piece member 41 is guided by the guide rail 39 and moves toward the rear side in the width direction B.
Since the connecting member 43 moves integrally with the piece member 41, the movable tread member 15 fixed thereto moves toward the rear side in the width direction B and returns to the standby position shown in FIG.

Since the connection part 33 and the drive part 35 are installed above the upper surface 23 of the platform 5, the worker can easily approach the connection part 33 and the drive part 35.
Therefore, since the maintenance work of the connection part 33 and the drive part 35 can be performed easily, the maintainability of the platform clearance adjusting device 1 can be improved.

[Second Embodiment]
Next, the platform clearance adjusting device 1 according to the second embodiment of the present invention will be described with reference to FIGS. Here, the platform gap adjusting device 1 according to the present embodiment will be described mainly with respect to parts different from those of the first embodiment, and redundant description of the same parts as those of the first embodiment described above will be omitted.
In addition, the same code | symbol is attached | subjected to the same member as 1st embodiment.
FIG. 6 is a partial plan view showing a part of the platform door device 3. FIG. 7 is a VV cross-sectional view of FIG. 8 is a cross-sectional view taken along the line WW in FIG. FIG. 9 is a cross-sectional view taken along the line WW in FIG. 6 showing a state during getting on and off.

In the present embodiment, a dug portion 61 having a depth approximately half that of the concave portion 37 is provided so as to connect the concave portions 37 on both sides. The dug portion 61 is dug in a substantially rectangular shape over a range from the side edge 11 to the vicinity of the rear side end portion of the door pocket 7 in a space portion corresponding to the entrance / exit portion of the vehicle. The dug portion 61 is dug over a range in which the connection member 43 moves in the width direction B at a place other than the space portion. A sheet 63 is laid on the bottom surface of the digging portion 61 in order to correct irregularities on the bottom surface.
In the connection member 43 of the first embodiment, there was a portion located above the upper surface 23, but in the connection member 43 of this embodiment, this portion is located in the digging portion 61, and the upper surface 23. It is made not to protrude upwards from.

The fixed tread member 13 is provided with a fixed tread 65.
The fixed tread 65 is bent so that the vicinity of one side of the substantially rectangular plate material is substantially orthogonal, and the cross section is substantially L-shaped. The fixed tread 65 is fixedly installed so that the L-shaped short side portion is in contact with the rear side wall of the dug portion 61 and the long side portion is substantially flush with the upper surface 23. The fixed tread 65 is positioned in the range from the rear end of the dug 61 to the side edge 11 slightly in the width direction B to slightly beyond the side edge 11.
The movable tread member 15 includes a movable tread 67 and a moving unit 69.
The movable tread plate 67 is a substantially rectangular plate material, and is disposed substantially in parallel below the fixed tread plate 65. The movable tread 67 is positioned in the range from the rear end of the dug portion 61 to the side edge 11 in the width direction B.

The moving part 69 is provided at the substantially center part and the lower part of the substantially rear end part and the rear end part in the width direction B of the movable tread plate 67.
The moving part 69 is composed of a plurality of, for example, twelve roller members 71 arranged at intervals in the incoming line direction L. The two roller members 71 on the front side are attached to the lower part of the movable tread plate 67 and include a roller that moves on the sheet 63 in the width direction B at the lower part.
The roller member 71 at the rear end includes a roller that moves in the width direction B in contact with the fixed tread 65.
The movable tread 67 is guided in the fixed tread 65 and the seat 63 by these roller members 71 and moved in the width direction B.

The connecting member 43 is connected to the front position of the movable tread plate 67.
The drive unit 35 is the same as that of the first embodiment described above, and is installed in the recess 37.
Thus, since the drive part 35 is installed in the recessed part 37, the digging part 61 only needs the digging amount in which the connection member 43 and the movable tread member 15 are installed. Since the drive unit 35 that requires space in the vertical direction is not installed, the digging amount of the digging unit 61 can be reduced. Since the digging amount of the digging portion 61 can be reduced, the installation work can be facilitated accordingly and can be performed in a short time. Thereby, the installation cost of the platform clearance adjusting apparatus 1 can be reduced.

The operation of the platform door device 3 using the platform clearance adjusting device 1 according to the present embodiment described above will be described.
When the vehicle is not connected or passes, a wall portion continuous to the side edge 11 side of the platform 5 is formed by the door pocket 7 and the sliding door 9.
At this time, as shown in FIG. 8, the platform gap adjusting device 1 is waiting at a position where the movable tread plate 67 is immersed in the rear side and the front end does not exceed the building limit 55.
When the vehicle enters, the motor 49 is driven to rotate and the pinion 47 is rotated. The rack 45 that meshes with the pinion 47 by the rotation of the pinion 47 moves toward the front side in the width direction B.

  When the rack 45 moves, the piece member 41 is guided by the guide rail 39 and moves toward the front side in the width direction B. Since the connecting member 43 moves integrally with the piece member 41, the movable tread member 15 fixed thereto moves toward the front side in the width direction B. For example, as shown in FIG. 9, the movable tread plate member 15 moves until the front end of the movable tread plate 67 enters the vehicle limit 57 and closes the gap between the front edge 11 of the platform 5 and the entrance / exit part of the vehicle. Thereby, a continuous passage is formed between the platform 5 and the entrance / exit of the vehicle by the fixed tread 65 and the movable tread 67.

Then, the sliding door 9 is drawn in to the door pocket 7 side, and the space corresponding to the entrance / exit part of the vehicle in the incoming line direction L is opened.
The entrance / exit of the vehicle is opened with the opening and timing of the sliding door 9, and passengers get on and off through the passage formed by the fixed tread 65 and the movable tread 67.
At this time, the fixed tread portion 65 is substantially flush with the upper surface 23 of the platform 5, and the step between the fixed tread 65 and the movable tread 67 is about the thickness of the fixed tread 65. In addition, you can get on and off without feeling inconvenience.

When the passenger boarding / exiting is completed, the vehicle entrance / exit part is closed, and at the same time, the sliding door 9 is pulled out from the door pocket 7 to close the space corresponding to the vehicle entrance / exit part.
Next, the motor 49 is rotationally driven in the reverse direction, and the pinion 47 is rotated. The rack 45 that meshes with the pinion 47 by the rotation of the pinion 47 moves toward the rear side in the width direction B, and the piece member 41 is guided by the guide rail 39 and moves toward the rear side in the width direction B.
Since the connecting member 43 moves integrally with the piece member 41, the movable tread plate member 15 fixed thereto moves toward the rear side in the width direction B and returns to the standby position shown in FIG.

Since the connection part 33 and the drive part 35 are installed above the upper surface 23 of the platform 5, the worker can easily approach the connection part 33 and the drive part 35.
Therefore, since the maintenance work of the connection part 33 and the drive part 35 can be performed easily, the maintainability of the platform clearance adjusting device 1 can be improved.

In addition, you may form the front part (vehicle side edge part) of the movable tread board 67 with the impact-absorbing member 73 which absorbs an impact, as FIG. 10 shows. The shock absorbing member 73 is made of, for example, a honeycomb material. The shock absorbing member 73 may be an elastic material such as rubber or may be formed of other known materials.
In this way, even if the movable tread plate 67 collides with the vehicle, the impact is absorbed by the shock absorbing member 73, so that the influence on the remaining portion of the vehicle and the movable tread member and the drive member can be reduced. For example, the remaining part of the movable tread plate member 15 and the driving device 17 can be prevented from being damaged, and repair can be easily performed.
You may make it form the front-end part of the movable slope 27 in the above-mentioned 1st embodiment with the impact-absorbing member 73. FIG.

In addition, this invention is not limited to the said embodiment, In the range which does not deviate from the summary of this invention, it can change suitably.
For example, the platform door device 3 to which the platform clearance adjusting device 1 is applied is not limited to a double door, but may be a single door, and can be applied to an appropriately-type platform door device 3.
Moreover, you may install in the platform 5 in which the platform door apparatus 3 is not installed.

DESCRIPTION OF SYMBOLS 1 Platform clearance adjusting device 3 Home door device 5 Platform 7 Door 9 9 Sliding door 11 Side edge 13 Fixed tread member 15 Movable tread member 17 Drive device 23 Upper surface 33 Connection part 35 Drive part 53 Space 73 Shock absorption member L Incoming direction B Width direction

Claims (5)

A fixed tread member that forms a tread on the edge of the platform;
A movable tread member disposed below the fixed tread member and installed so as to appear and retract on the track side;
And a drive member for driving the movable tread member so that the movable tread member protrudes to block a gap formed between the track-side edge of the platform and the opening of the vehicle. An adjustment device,
The drive member is fixed to the movable tread plate member, and extends from the side end portion of the movable tread plate member to the side through the platform; and
A drive unit that moves the connecting part in the direction of the movement of the movable tread member , and
The connecting portion between the connecting portion and the driving portion is located in a recess provided in the platform at a position away from a space corresponding to the opening of the vehicle in a direction along the longitudinal direction of the platform. Platform gap adjustment device characterized.   The platform gap adjusting device according to claim 1, wherein the movable tread plate member is positioned above the upper surface of the platform and is movably supported on the upper surface.   The platform clearance adjusting device according to claim 1, wherein the fixed tread member is formed to be substantially flush with an upper surface of the platform.   The platform gap adjusting device according to any one of claims 1 to 3, wherein a lower portion of the movable tread plate member is used as a wiring path. The platform clearance adjusting device according to any one of claims 1 to 4, wherein an end portion of the movable tread member on the vehicle side is formed of an impact absorbing member that absorbs an impact.

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