JP4520228B2 - Double sliding platform gate - Google Patents

Description

  The present invention relates to the configuration of a platform gate. More specifically, the present invention relates to a double sliding door type (double slide type) platform gate configuration.

  For example, a conventional double sliding door type platform gate is disclosed in Patent Document 1. In this method, the main door is driven by a linear motor installed in the door pocket, and the slave door is linked to the main door by a ball screw mechanism.

Such double-sliding platform gates can reduce the width of the door pocket compared to a configuration that simply opens and closes a single sliding door, so it can be used on platforms where vehicles with a narrow door-to-door spacing arrive and depart. There are easy advantages.
Japanese Unexamined Patent Publication No. 2000-108890 (FIG. 1)

  As described above, the double-sliding platform gate can reduce the width of the door pocket, but the thickness of the door pocket increases because it is necessary to accommodate two doors. In order to secure a large space on the platform, it is conceivable to install a door pocket just at the edge of the short side of the platform, but the door is installed at the edge of the platform, violating the usual vehicle limit. Because it cannot be done, there is a limit even if it is said that the door pocket is installed at the end of the platform. Therefore, the space on the platform eventually becomes narrow, and it becomes difficult to ensure the passenger's fluidity, for example, during rush hours.

  The present invention has been made in view of the above points, and an object of the present invention is to provide a configuration capable of maintaining a wide space on the platform at the same time while maintaining the advantages of the above-described double slide type platform gate.

Means and effects for solving the problems

  The problems to be solved by the present invention are as described above. Next, means for solving the problems and the effects thereof will be described.

(First invention)
The double-sliding platform gate of the present invention is slidable on the platform through a door bag body provided on the platform and forming a door storage space inside, and a first linear slide mechanism disposed on the lower surface side. a slide body supported on, while being placed on the home side than the slide body in the door accommodating space, the slide member through a second linear slide mechanism that is disposed on an upper surface side of the slide body A door that is slidably supported, and a drive mechanism that simultaneously drives the door so that the speed of the door is twice that of the slide, and the vertical length of the slide is shorter than the length in the vertical direction of the door body, wherein the drive mechanism includes a drive pulley which is supported on the surface facing the door body of said slide body, solid to the slide body Is connected to the driving pulley while being a drive unit for driving the drive pulley, the idler pulley being idly rotatably supported on said slide member, one end and the other end is fixed to the door pocket member, the A driving belt and a timing belt around which the intermediate portion is wound around the idler pulley, and the door bag body has a large thickness portion at a lower portion thereof and a small thickness portion at an upper portion thereof. The slide body is disposed in the door storage space, and the large thickness portion is provided so as to protrude toward the track side from the vehicle limit at the height of the upper end portion of the door pocket body (first invention).

According to this means, both doors are driven at the same time so that the door body is twice that of the slide body, so that the door opening / closing operation is smooth. Further, when the vehicle limit line is inclined so as to approach the home side as the height increases, the lower large thickness portion of the door bag body is more than the vehicle limit at the upper end portion of the door bag body. Since it is provided so as to project to the track side, the vehicle limit can be prevented from being infringed even if the door bag body is placed close to the end in the short direction of the platform. Therefore, a wide space on the platform can be secured (specifically, wide in the lateral direction of the platform).
The drive pulley (drive mechanism) is supported by the slide body. Thereby, the width | variety (vehicle advancing direction) of a door pocket body can be shortened compared with the case where a drive pulley (drive mechanism) is attached to a door pocket body.
Further, since the slide body is configured such that the vertical length thereof is smaller than the vertical length of the door body and is disposed at a position closer to the lower portion of the door storage space, the large thickness portion having a short vertical length. The slide body can be stored in a compact manner.
Furthermore, the first linear slide mechanism and the second linear slide mechanism respectively disposed on the upper and lower surfaces of the slide body are excellent in smoothness and reliability of the door opening / closing slide operation, and for a long period of time. It can withstand use and can reduce maintenance frequency.

(Second invention)
In the first invention, it is preferable that the large thickness portion of the door pocket body is provided so as not to protrude toward the home side than the small thickness portion (second invention).

  According to this means, it is possible to secure a wider space on the platform.

(Third invention)
In the first or second invention, it is preferable that a surface of the door bag body facing the home side is formed as a flat vertical surface (third invention).

  According to this means, the shape of the door bag can be simplified, the impression of the door bag seen from the passengers on the platform can be made clear, and improvement in design can be expected.

(Fourth invention)
In the first to third aspects of the invention, it is preferable that the surface of the door body facing the track side is formed in a stepped shape (fourth aspect).

  According to this means, the shape of the door pocket body can be further simplified.

  Next, embodiments of the invention will be described. FIG. 1 is a partial cross-sectional view showing a configuration of a double slide type platform gate according to an embodiment of the present invention when a door is closed as viewed from the track side, and FIG. 2 is a direction in which the platform gate of FIG. FIG. 3 is an explanatory diagram showing the relationship between the speed of the door body and the speed of the slide body.

〔overall structure〕
1 and 2 show a double sliding door type platform gate according to the present embodiment. The platform gate 1 includes a door pocket body 10 and a flat slide body 11 slidably supported by the door pocket body 10. And a flat door body 12 that is slidably supported by the slide body 11. The platform gate 1 is configured to be opened when the train arrives at the platform and closed at other times.

[Composition of door bag]
The door bag 10 will be described. A rail 60 is embedded at the short-side end of the platform, and the door bag body 10 is erected so as to be able to travel along the rail 60. The door bag body 10 includes a drive wheel 61 and a driven wheel 62 that can travel on the rail 60, and a motor 63 (FIG. 2) for driving the drive wheel 61. The drive wheels are driven by the motor 63 in response to the arrival of a railway vehicle having different entrance / exit positions such as a 3-door car and a 4-door car at the platform, or in response to a shift in the stop position of the train on the platform. 61 is driven to drive the door pocket 10 and can be moved to a position immediately next to the entrance / exit of the railway vehicle.

  The door bag body 10 is formed in a hollow shape and has a door storage space 10a therein. As shown in FIG. 2, the slide body 11 and the door body 12 are stacked in the door storage space 10a. It is configured to be able to. Since the platform gate 1 of this embodiment is thus a double sliding door type (double sliding type), the width of the door storage space 10a can be reduced compared to a configuration in which a single sliding door is simply opened and closed. The width of the body 10 (the width in the platform longitudinal direction) is made compact.

  An opening leading to the outside is formed on one end side in the width direction of the door bag body 10, and the door storage space 10 a communicates with the outside through the opening. Through this opening, the slide body 11 and the door body 12 are advanced to close the entrance / exit, and the slide body 11 and the door body 12 are retracted into the door storage space 10a to open the entrance / exit. ing. A linear linear guide rail 31 is fixed to the lower part of the door storage space 10a.

[Configuration of slide body]
The slide body 11 will be described. The slide body 11 is configured to have a shape elongated in the lateral direction so that its vertical length h1 is about 1/5 to 1/6 of the vertical length h2 of the door body 12, for example. Two slide bearing units 32 and 32 are fixed to the lower surface of the slide body 11. And this slide bearing unit 32 * 32 is supported so that it may straddle the linear guide rail 31 installed in the said door body 10 side. On the other hand, a linear guide rail 37 is fixed to the upper surface of the slide body 11.

Rolling elements such as rollers or steel balls are supported inside the slide bearing unit 32, and the linear guide rail 31 and the slide bearing unit 32 constitute a so-called linear motion slide mechanism (first linear motion slide mechanism). ing. As a result, the slide body 11 is supported so as to be slidable in the horizontal direction with respect to the door pocket body 10.

  A drive pulley 52 is supported on the surface of the slide body 11 facing the door body 12, and a drive output shaft of the drive unit 36 is coupled to the drive pulley 52. Although a specific configuration of the drive unit 36 is not described in detail, the drive unit 36 includes an electric motor as a drive motor and a reduction mechanism that decelerates the output rotation of the motor shaft of the electric motor. The electric motor is connected to a control panel installed on the door pocket body 10 side via a power supply cable (not shown). An idler pulley 51 is supported on the slide body 11 so as to be freely rotatable.

[Composition of door body]
The door body 12 will be described. As shown in FIG. 2, the door body 12 is disposed closer to the home side than the slide body 11 in the door storage space 10 a. As shown in FIGS. 1 and 2, two slide bearing units 38 and 38 are fixed to the surface of the door body 12 on the slide body 11 side via a bracket 39. The slide bearing unit 38 is supported so as to be linearly slidable so as to straddle the linear guide rail 37 installed on the slide body 11 side. The linear guide rail 37 and the slide bearing unit 38 constitute a linear motion slide mechanism (second linear motion slide mechanism) . As a result, the door body 12 can slide in the horizontal direction with respect to the slide body 11. Is supported.

  Note that a cover 40 is fixed to the door body 12, and the cover 40 covers the slide body 11, the bracket 39, and the slide bearing units 38 and 38 so that they cannot be seen from the outside.

[Configuration for opening and closing the door]
Next, a configuration for moving the slide body 11 and the door body 12 to open and close the door will be described. That is, as shown in FIG. 1, the belt fixing member 42 is fixed to the door pocket body 10 inside the door storage space 10 a. One end of a flexible timing belt (wrapping transmission member) 45 is fixed to the belt fixing member 42, and the other end of the timing belt 45 is fixed to the door bag body 10. It is fixed to the member 43. An intermediate portion of the timing belt 45 is wound around the idler pulley 51 and the driving pulley 52.

  The winding configuration of the timing belt 45 will be described in detail below. That is, the timing belt 45 extends from one end (point A) fixed to the belt fixing member 42 in the door advancing direction, and is wound around the idler pulley 51 of the slide body 11 in a folded manner so as to be reversed (door retracted). Direction), and is wound around the drive pulley 52 in a folded manner and extends again in the door advancement direction, and finally is fixed to the other belt fixing member 43 (point B). A belt fixing member 44 is also fixed to the door body 12, and the timing belt 45 is fixed to the belt fixing member 44 at a portion (point C) between the idler pulley 51 and the driving pulley 52. ing.

  In the present embodiment, the drive mechanism 20 that drives the door body 12 and the slide body 11 at the same time includes the drive unit 36, the drive pulley 52, the timing belt 45, and the idler pulley 51.

Here, the speed relationship between the slide body 11 and the door body 12 will be described with reference to the explanatory view of FIG.
FIG. 3 shows a state in which the drive unit 36 fixed to the slide body 11 is driven to retract the slide body 11 and the door body 12 into the door pocket body 10, and the drive pulley 52 at this time is shown. The outer peripheral speed is VW. At this time, the speed V1 of the slide body 11 is equal to the outer peripheral speed of the drive pulley 52 (V1 = VW). On the other hand, the speed of the stretched portion between the driving pulley 52 and the idler pulley 51 of the timing belt 45 is such that the speed V1 of the slide body 11 is added to the outer peripheral speed VW of the driving pulley 52, so V1 + VW = 2 ×. VW = 2 × V1. Accordingly, the speed V2 of the door body 12 connected to the stretched portion (point C) via the belt fixing member 44 is also V2 = 2 × V1. That is, the retracting speed V2 of the door body 12 is twice the retracting speed V1 of the slide body 11.
FIG. 3 shows a state in which the door is retracted (opened), but when the door is advanced (closed), the drive unit 36 may be rotated in the reverse direction to rotate the drive pulley 52 in the opposite direction. Therefore, detailed description is omitted. In this case as well, the advance speed of the door body 12 is twice the advance speed of the slide body 11.

  Since the platform gate 1 of the present embodiment is configured as described above, a simple configuration using a single drive unit 36 as a door drive mechanism is realized while being a double slide type. Therefore, manufacturing cost and manufacturing man-hour can be reduced. Further, since the door body 12 and the slide body 11 are configured to move simultaneously and at a speed twice that of the slide body 11, the operation is smooth when the door is opened and closed.

  In addition, in this embodiment, as shown in FIG. 2, the door pocket body 10 has a large thickness portion 10x formed in the lower portion and a small thickness portion 10y formed in the upper portion. The door storage space 10a is also formed with a large thickness at the large thickness portion 10x and a small thickness at the small thickness portion 10y. Further, as described above, the slide body 11 has a short vertical length h1, and the slide body 11 is formed below the door storage space 10a of the door pocket body 10 (that is, the large thickness portion 10x). It arrange | positions in the part door storage space 10a).

  And the said large thickness part 10x is provided so that it may protrude over the track | orbit side rather than the vehicle limit (point shown with the code | symbol E in FIG. 2) in the height of the upper end part of the said door pocket body 10. FIG. Referring to FIG. 2 in detail, the vehicle limit set on the platform is drawn by drawing a horizontal line from the upper end of the door bag body 10 and the end of the track side (the point indicated by F in FIG. 2) toward the track side. When a virtual line L is drawn vertically downward from this point E (or perpendicular to the floor surface of the platform) from the point E, the large thickness portion 10x protrudes toward the track side from the virtual line L. It is formed to do.

  More specifically, as shown in FIG. 2, the vehicle limit line on the platform may be set to be inclined so as to approach the home side as the height increases. In this case, in the low area near the floor of the platform, the vehicle limit line retreats relatively to the track side. On the other hand, in the platform gate 1 of the present embodiment, the upper portion of the door pocket body 10 is a small thick portion 10y, and the lower portion is a large thick portion 10x projecting to the track side from the small thick portion 10y. Therefore, by arranging the door bag body 10 so that the overhanging portion of the large thickness portion 10x is inserted into the track side retracted portion of the vehicle limit line as in the present embodiment, the door bag body 10 is placed on the track side (the platform side). It can be arranged closer to the end in the short direction. Therefore, a wide space on the platform can be secured in the short direction of the platform.

  In other words, the slide body 11 is configured such that the length h1 in the vertical direction is smaller than the length h2 in the vertical direction of the door body 12, and is on the track side of the door body 12 and in the door storage space 10a. It is placed at a position near the bottom. Therefore, the inside of the upper portion of the door bag body 10 only needs to accommodate the door body 12 and does not need to accommodate the slide body 11 (that is, no accommodation space for two doors is necessary), so the door The storage space 10a can be formed thin, and the upper portion of the door pocket body 10 can be formed thin and closer to the home side (the small thickness portion 10y). Then, as described above, the entire upper portion of the door pocket body 10 can be arranged close to the end of the platform by the amount that the upper portion of the door pocket body 10 can be made thin, and as a result, a large space on the platform is secured. Have been able to.

  In addition, since the vertical length h1 of the slide body 11 is configured to be smaller than the vertical length h2 of the door body 12 and is arranged at a position closer to the lower portion of the door storage space 10a, the vertical length The slide body 11 can be stored compactly in the short large-thickness portion 10x (door storage space 10a).

  Moreover, in this embodiment, the large thickness part 10x of the said door pocket body 10 is provided so that it may not project to the home side rather than the said small thickness part 10y. Therefore, a wider space on the platform can be secured.

  Furthermore, in this embodiment, the surface p of the door pocket 10 facing the home side is formed as a flat vertical surface. For this reason, while being able to simplify the shape of the door bag body 10, the impression of the door bag body 10 seen from the passenger on a platform can be made clear, and the design property can be improved.

  Moreover, the surface of the door pocket body 10 facing the track side is formed in a stepped shape having a stepped portion q at the boundary between the small thickness portion 10y and the large thickness portion 10x. Also by this point, the shape of the door pocket body 10 can be simplified.

  In addition, the drive mechanism for opening and closing the door in the present embodiment includes a timing belt 45 and pulleys 51 and 52 as shown in FIG. Therefore, the sliding body 11 and the door body 12 can be smoothly driven by double sliding with a simple configuration.

  Further, in the platform gate 1 of this embodiment, the slide body 11 is supported by the door pocket body 10 via a linear slide mechanism, and the door body 12 is supported by the slide body via the linear slide mechanism. 11 is supported. Accordingly, the door opening / closing slide operation can be made smoother and more reliable, and the maintenance frequency can be reduced by withstanding long-term use.

  Although the embodiments of the present invention have been described above, the technical scope of the present invention is not limited to the configurations of the above embodiments, and various modifications can be made without departing from the spirit of the present invention.

  (1) In the above embodiment, the vertical length h1 of the slide body 11 is 1/5 to 1/6 of the vertical length h2 of the door body 12 (or the vertical length of the door body 10). Although it forms so that it may become a grade, the up-down direction length of this slide body 11 can be set arbitrarily. For example, it can be about 1/2 or about 2/3.

  (2) In the above-described embodiment, the drive unit 36 (and thus the electric motor of the drive unit 36) for driving the timing belt 45 is provided on the slide body 11. However, the present invention is not limited to this. Alternatively, the drive unit 36 may be provided.

  (3) In the above embodiment, as shown in FIG. 2, the drive wheel 61, the driven wheel 62, and the motor 63 are installed in the lower portion of the door pocket body 10. The wheel support portion (reference numeral 10z) of the door pocket body 10 has a thickness larger than that of the large thickness portion 10x described above, and is configured to protrude to the track side from the large thickness portion 10x. The size of the platform (the width in the short direction of the platform) can be kept large without violating the limits. However, the door bag body 10 may be configured to be immovable on the platform. In this case, the rail 60, the drive wheel 61, the driven wheel 62, and the motor 63 may be omitted, and the main body of the door pocket body 10 may be directly fixed to the platform.

  (4) In the above embodiment, the door body 12 and the slide body 11 are stored one by one in the door storage space 10a in the door bag body 10, and the door body 12 is advanced only from the door bag body 10 to one side. 4, the door body 12 and the slide body 11 are stored in the door storage space 10a so as to overlap in the thickness direction, and the door bodies 12 and 12 are advanced from the door bag body 10 to both sides. You may do it. In this case, two drive mechanisms 20 described above may be provided. According to the configuration of FIG. 4, the range that can be closed by one platform gate 1 can be expanded.

The partial sectional view which looked at the state where the door was closed showing the composition of the double slide type platform gate concerning one embodiment of the present invention from the track side. The side view which shows a mode that the platform gate of FIG. 1 was seen in the door retracting direction. Explanatory drawing which shows the relationship between the speed of a door body, and the speed of a slide body. The side view which shows the structure provided with two door bodies.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Platform gate 10 Door bag body 10a Door storage space 10x Large thickness part 10y Small thickness part 11 Slide body h1 Vertical length of a slide body 12 Door body h2 Vertical length of a door body 20 Drive mechanism

Claims (4)

A door pocket body provided on the platform and forming a door storage space therein;
A slide body that is slidably supported by the door pocket body via a first linear motion slide mechanism disposed on the lower surface side ;
A door body that is installed closer to the home side than the slide body in the door storage space and is slidably supported by the slide body via a second linear slide mechanism disposed on the upper surface side of the slide body. When,
A drive mechanism for simultaneously driving the door body so that the speed of the door body is twice that of the slide body;
Have
The vertical length of the slide body is formed shorter than the vertical length of the door body,
The drive mechanism is
A drive pulley supported by a surface of the slide body facing the door body;
A drive unit fixed to the slide body and connected to the drive pulley, and driving the drive pulley;
An idler pulley supported on the slide body so as to be freely rotatable,
A timing belt having one end and the other end fixed to the door pocket body and an intermediate portion wound around the drive pulley and the idler pulley; and
The door bag body has a large thickness part at the lower part and a shape having a small thickness part at the upper part, and the slide body is arranged in the door storage space in the large thickness part,
The large thickness portion is provided so as to protrude to the track side from the vehicle limit at the height of the upper end portion of the door pocket body,
Double sliding platform gate. A double-sliding platform gate according to claim 1,
The large thickness portion of the door pocket body is provided so as not to protrude toward the home side than the small thickness portion,
Double sliding platform gate. A double-sliding platform gate according to claim 1 or 2,
The surface facing the home side of the door pocket body is formed as a flat vertical surface,
Double sliding platform gate. A double-sliding platform gate according to any one of claims 1 to 3,
The surface facing the track side of the door pocket is formed in a stepped shape,
Double sliding platform gate.

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