JP2008279967A - Curved platform door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a platform door device which is easily installed on a platform. <P>SOLUTION: The platform door device provided on a platform PH to form an entrance corresponding to an entrance of a railroad vehicle comprises a plurality of doors which are juxtaposed along the side edge of the platform, and opened and closed in the vertical direction on the outer side of the side edge. Each door is formed in a curved shape projecting to a track side. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a platform door device that is provided on a platform and forms an entrance / exit corresponding to an entrance / exit of a railway vehicle.

  As a door device installed on a platform, many side-opening slide devices have been disclosed (see, for example, Patent Document 1). However, in the case of a side-opening slide type door device, a fixed installation part is required as a door storage part, and the opening / closing position is determined in advance. There is a problem that it is difficult to deal with. As a solution to this problem, there is disclosed a side-opening slide type door device that includes a plurality of rails and selectively moves a door to flexibly form a frontage (see, for example, Patent Document 2). However, the door device described in Patent Document 2 tends to increase the cost of remodeling the platform when installed on an existing platform.

On the other hand, Patent Document 3 discloses a door device of a type that opens and closes a door in a vertical direction instead of a lateral opening type. Even in this door device, the frontage can be formed flexibly by selectively opening the door.
JP-A-6-239223 JP 2004-196040 A JP 2004-268634 A

  The door device described in Patent Document 3 has a structure in which the door is stored in a recess formed in the platform, and there is a problem that the cost of remodeling the platform tends to increase when the door device is installed.

  The present invention has been created to solve such problems, and an object of the present invention is to provide a platform door device that can be easily installed on a platform.

    In order to solve the above problems, the present invention is a platform door device that is provided on a platform and forms an entrance / exit corresponding to an entrance / exit of a railway vehicle, and is provided side by side along a side edge of the platform, A plurality of doors that open and close in the vertical direction on the outer side of the side edges, and each door is formed in a curved shape that is convex toward the track side.

  According to this configuration, since the platform door according to the present invention is curved, the platform door must be installed at a certain distance from the end of the platform. Since it can be installed at the end of the platform, the width of the platform is secured, and a radical modification such as forming a recess for storing the home door on the existing platform is not required.

  It is preferable that the above-described platform door is configured such that when the platform door is lifted, the upper end of the platform door is positioned inside the platform with respect to the side edge of the platform.

  According to this configuration, in the closed state where the platform door rises and becomes a safety fence on the platform, when the passenger contacts the platform door, only the upper body is contacted while ensuring the space at the feet of the passenger. Therefore, it is possible to avoid the danger of rolling and falling to the track side. In addition, the higher the position due to the curved shape, the wider the gap between the train and the platform door, and the air flow can be directed upward, so when a train that does not stop passes through the station at high speed, compared to an upright platform door The wind pressure applied to the platform door can be reduced.

  The platform door described above can be configured to open and close along the curved shape of the platform door.

  According to this configuration, for example, when the curved shape of the home door has a certain curvature, the thickness occupied for the moving path when moving up and down by rotating the home door up and down in accordance with this curvature. Space in the direction can be reduced. Furthermore, by setting the center of rotation of the platform door to be almost the same height as the top surface of the platform, the platform door does not approach the train beyond the pathway that passes near the end of the platform on the track side. The space between the platform and the train can be narrowed as long as the occupied space can be secured, and drastic modification of the platform is not required.

  By applying the curved platform door for exclusive use of the up-and-down opening and closing type of the present invention, a flexible platform door that does not require large-scale home renovation work can be provided.

  1 and 2 are external perspective views of the platform door device according to the present invention when viewed from the track side and when viewed from the platform side, respectively (a) is a state in which all doors are closed, and each (b ) Indicates that some doors are open.

  The platform door device 1 forms an entrance / exit corresponding to the entrance / exit of a railway vehicle, and is arranged in parallel along the side edge S of the platform PH and outside the side edge S (track side). , A plurality of doors 2 that open and close in the vertical direction, and a door passing step 3 that is provided for each door 2 and that opens and closes outside the side edge S of the platform PH (on the track side). The door 2 is a rectangular member that is long in the vertical direction, and has a structure that moves up and down on the outer side of the side edge S while the step 3 rotates upward. When the door 2 rises and closes, the upper end of the door 2 is positioned approximately at the height of the adult male's chest. In the open state, the entire door 2 is stored below the side edge S. Reference numeral 4 denotes a cover that covers a drive mechanism (not shown) of each door 2 and has a waterproof and dustproof function for the mechanism and the like, and also functions as a design plate for the line of sight from the opposite platform. .

  Normally, the doors 2 are all closed as shown in FIG. 1A and FIG. 2A, and when the vehicle enters and stops, the door 2 facing the entrance of the vehicle opens. In this embodiment, it is the structure which the some door 2 opens with respect to one entrance / exit. Although the width dimension of the door 2 is determined as appropriate, as an example, it is set to a dimension that can be opened and accommodated with respect to a vehicle entrance / exit having a frontage dimension of 1.5 meters.

  FIG. 3 is a plan view showing a case where a plurality of doors 2 are opened corresponding to the entrance / exit of the vehicle. FIG. 3 (a) shows a case where the vehicle stops at a normal position. 2d opens. When the same vehicle stops slightly from the normal position and cannot be handled by the doors 2a to 2d, the five doors 2a to 2e facing the entrance / exit are opened as shown in (b). . As the width dimension (pitch) of the door 2 is reduced, the entrance / exit entrance dimensions of the door 2 can be matched to the entrance / exit entrance dimensions for all vehicles having different entrance / exit positions and entrance dimensions.

  In this embodiment, the door 2 is formed in the curved shape which becomes convex toward the track side. As an example of the curved shape, a shape having a constant radius of curvature from the upper end to the lower end is taken into consideration in view of economy and design. The center position of the radius of curvature is, for example, on the surface of the platform PH or in the vicinity of the surface. When the door 2 has a curved shape, it is desirable that the opening / closing operation is not linear movement, but is configured to rotate and open along the curved shape. That is, when the door 2 has a certain radius of curvature, the door 2 is rotated and opened around the center of curvature. Thereby, the space required for the movement of the door 2 is small, and the dynamic design is beautiful.

FIG. 4 shows an example in which the door 2 having a certain radius of curvature rotates and opens with the radius of curvature.
The door 2 has a constant radius of curvature R with the vicinity of the surface of the platform PH as the center CP. The height position of the center CP is preferably in the range of the thickness of the side edge S at the tip of the platform PH. Further, the curvature radius R is set in consideration of the thickness of the door 2 so that the door 2 does not come into contact with the side edge S of the platform PH and the portion where the step 3 (see FIG. 5) protrudes.

  As shown in FIG. 4, the door 2 is preferably opened and closed up and down by rotating around the center CP with the radius of curvature R as the rotation radius. With this configuration, when the door 2 rotates, the maximum value EX of the distance EX between the side edge S and the outer diameter portion of the door 2 is reduced, and the space required for the movement of the door 2 can be reduced. By doing so, the space between the platform and the train can be narrowed within a range in which the space occupied by the movement path of the platform door can be secured, and drastic modification of the platform is not required.

  FIG. 5 is an explanatory side view of the door 2 in a closed state. When the door 2 is raised most, the upper end of the door 2 is located on the inner side of the platform with respect to the side edge S of the platform PH. In FIG. 5, the distance in the home width direction between the upper end of the door 2 and the side edge portion S is indicated by a symbol L. As described above, when the door 2 is lifted, if the upper end of the door 2 is positioned on the inner side of the home with respect to the side edge S, the upper body is regulated by the upper end of the door 2, thereby the side edge of the upper body. Protrusion from S to the track side is prevented. Moreover, since the space at the foot can be used up to the side edge portion S, the foot does not become cramped at the time of congestion or the like.

  One structural example of the door 2 will be described with reference to FIG. Hereinafter, the surface facing the platform side with respect to both surfaces of the door 2 is referred to as an inner surface, and the surface facing the track side is referred to as an outer surface. 6A is a front view of the door 2 viewed from the inner surface side, and FIG. 6B is a side sectional view.

  The door 2 has a structure in which an inner panel 12 and an outer panel 13 are attached to a rectangular frame 11 made of a mold material. As the mold material constituting the frame 11, an extrusion mold material of aluminum alloy is suitable. Reinforcing beams 14 and 15 are appropriately provided on the frame 11 according to the size of the door 2. As an attachment mode of the inner panel 12 and the outer panel 13 to the frame 11, as shown in FIG. 6, in addition to a method of fitting the panel edge into a groove formed in the frame 11, a method using screwing or an adhesive, etc. Is mentioned. The inner surface panel 12 and the outer surface panel 13 constitute a design surface, and are composed of a synthetic resin plate, a glass plate, a metal plate, or the like, and particularly an acrylic resin plate is preferable when a synthetic resin plate is used. In addition, when a colorless transparent and colored transparent synthetic resin plate or glass plate is used, the field of view on the track side can be secured. As shown in FIG. 6 (b), the outer panel 13 is attached from the upper end to the lower end of the door 2, and the inner panel 12 is attached only to a portion facing the platform.

  As described above, by constructing the door 2 from a plate-like structure having a certain shape, the manufacturing cost can be reduced and the assembly can be simplified as compared with a door structure having a variable shape such as a bellows type. Thus, an economical platform door device 1 is obtained.

In the present embodiment, the door 2 has a double structure composed of an inner panel 12 and an outer panel 13. By selecting an appropriate material having a double structure, for example, even when a passenger gets down from the platform PH side to the door 2 side, the inner panel 12 is broken to absorb the impact and the outer panel. 13 can also be provided with a fail-safe mechanism for preventing passengers from falling on the track.
Moreover, it becomes possible to always maintain a clean state by treating the outer surface of the panel with a photocatalyst or the like.
Since each panel can be removed from the frame 11, replacement, repair, cleaning, and the like are facilitated.

  6A and 6B, door support brackets 19 extending in the vertical direction are attached to the left and right inner surface sides of the lower portion of the door 2, respectively. A support shaft 20 whose axial direction is the width direction of the door 2 is formed around the upper end and the lower end of each door support bracket 19, and a roller support bracket 21 is rotatably attached to the support shaft 20. Each roller support bracket 21 is formed with a pair of roller shafts 22 whose axial direction is the width direction of the door 2, and a guide roller 23 is rotatably attached to each roller shaft 22. That is, the pair of guide rollers 23 has a structure that can rotate integrally around the support shaft 20 via the roller support bracket 21.

A drive mechanism (not shown) connects a drive slider (not shown) that linearly moves in the vertical direction and the door 2, and a cam mechanism (cam pin and cam groove) that converts the linear motion of the drive slider into the rotational motion of the door 2. It has. A drive transmission bracket 24 having a long hole 37 for engaging with a cam pin constituting a drive mechanism of the door 2 is attached to the inner surface side of the beam 15 provided at the lower portion of the door 2.
Further, the guide roller 23 is curvedly formed corresponding to the curved shape of the door 2 so that the door 2 draws a predetermined rotation trajectory, and sandwiches a guide rail (not shown), so that the door 2 rotates and opens. Is guiding.

  The preferred embodiments of the present invention have been described above. The present invention is not limited to the one described in the drawings, and design changes can be made without departing from the spirit of the present invention.

It is an external appearance perspective view at the time of seeing the platform door device concerning the present invention from the track side, (a) is in the state where all the doors were closed, and (b) is in the state where some doors were opened. It is an external appearance perspective view at the time of seeing the platform door device concerning the present invention from the platform side, (a) is in the state where all the doors were closed, and (b) is in the state where some doors were opened. It is a top view which shows the case where a some door is opened corresponding to the entrance / exit of a vehicle. It is side surface explanatory drawing which shows an example which the door with a fixed curvature radius rotates and opens with the curvature radius. It is side surface explanatory drawing of the state which closed the door. (A) is the front view of the door seen from the inner surface side, (b) is a sectional side view of a door.

Explanation of symbols

1 Platform door device 2 Door 3 Step 4 Cover 23 Guide roller

Claims (3)

A platform door device that is provided on the platform and forms an entrance / exit corresponding to the entrance / exit of the railway vehicle,
A plurality of doors arranged side by side along the side edge of the platform, and opened and closed in the vertical direction outside the side edge,
Each said door is formed in the curved shape which becomes convex toward the track side, The platform door apparatus characterized by the above-mentioned.   The platform door device according to claim 1, wherein when the door is lifted, the upper end of the door is located inside the platform with respect to the side edge of the platform.   The platform door device according to claim 1, wherein the door is rotated and opened along a curved shape of the door.

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