JP2010241428A - Platform door device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable opening/closing of a door while a guide rail is covered when the guide rail for opening and closing the door is provided at the door side to make a door pocket compact. <P>SOLUTION: In this platform door device, a sliding door type door panel 2, a door pocket panel 3 to store the door panel, and a partition panel 4 provided between each door pocket panel 3 are arranged in one row along the entrance/exit side edge of a platform. The platform door device includes a rail 7 provided on the panel surface along the opening/closing direction of the door panel 2, a cover 18 provided on the door panel 2 to cover the rail 7 and having a hollow passage 19 to communicate with the inner side thereof in the door panel panel-opening/closing direction, and a rail guide 8 provided on the door pocket panel 3 to slidably guide the rail 7. In the opening operation of the door panel 2, a door opening/closing driving device A provided on the door pocket panel 3 and the rail guide 8 pass through the passage 19. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a platform door device for protecting passengers from the danger of falling from a platform to a track or coming into contact with a traveling train.

  2. Description of the Related Art Conventionally, a platform door device has been installed on a track-side edge of a platform for the purpose of ensuring passenger safety.

  The platform door device shown in FIG. 6 is configured to open and close the sliding door type door 50 according to the opening / closing operation of the entrance / exit door of the stopped train, and when the train is not connected, the door 50 is closed. keeping.

  The opened door 50 is accommodated in a door pocket 51, and the left side of the door pocket 51 is connected to a partition wall (not shown) having the same height of the door pocket 51.

  In the figure, 52 is a door opening / closing control panel, 53 is a guide rail, 54 is a motor, 55 is a belt driven by the motor 54, 56 is a hanger, and the hanger 56 connects the belt 55 and the opening / closing door 50. In this state, the guide rail 53 is moved in the door opening / closing direction (see, for example, Patent Document 1).

  In addition, emergency exit doors are provided at a plurality of locations in the platform door device so that passengers can evacuate on the platform in the event of an emergency such as when the train does not stop at a fixed position of the platform or when the door breaks down.

  A door pocket that also serves as an emergency escape door is configured to pivot around the vertical axis around the door bottom side of the door pocket to open the evacuation passage. In order to turn the door pocket, it is necessary to consider a support structure for supporting the weight of the door pocket and the wiring clearance, and the configuration becomes complicated.

  On the other hand, what provided the emergency escape door in the said partition wall has the advantage that a structure becomes very simple, since it is not necessary to accommodate a door opening / closing drive device at all.

  Although an emergency escape door provided on a part of the partition wall has already been put into practical use, it is preferable to provide approximately the same number of emergency escape doors as the door pocket in order to secure a sufficient escape passage. It is easier to recognize an emergency escape door in the vicinity of the door as an escape passage.

JP 2001-164833 A

  However, when trying to arrange the emergency escape doors side by side with the door pocket, the horizontal width of the door pocket that accommodates the entire door is limited, and the emergency escape door is restricted, and the lateral width cannot be increased.

  Therefore, a device has been devised to shorten the width of the door pocket. If the width of the door pocket is shortened, the door butt side of the door will protrude from the door pocket when the door is opened. However, in the event of an emergency, the door will remain closed, so it is not necessary for the door pocket to secure the width for storing the door. This is the idea.

  As a specific configuration for shortening the lateral width of the door pocket, it is conceivable to first attach a guide rail that does not fit in the door pocket to the door side. Only the rail guide that supports the guide rail is arranged in the door pocket. Then, by covering the exposed guide rail with a cover, intrusion of foreign matter is prevented and the appearance is improved.

  However, if the guide rail is covered with a cover, it becomes difficult to connect the guide rail and the support device for supporting the guide rail on the door pocket side. For example, a hanger as shown in FIG. A door opening / closing mechanism for driving 56 on the guide rail 53 cannot be employed.

  The present invention has been made in consideration of the problems in the conventional platform door device as described above, and covers the guide rail when the door opening / closing guide rail is provided on the door side in order to make the door pocket compact. A platform door device that enables opening and closing of a door in a state is provided.

  According to the present invention, a sliding door type door panel that opens and closes a boarding / alighting passage, a doorcase panel that stores the door panel, and a partition panel provided between the doorcase panels are arranged in a line along a boarding side edge of the platform. In a platform door device, a rail body provided on the panel surface of the door panel along the door panel opening / closing direction, and a hollow passage provided inside the door panel so as to cover the rail body and communicating in the door panel opening / closing direction inside A door body opening means for opening and closing the door panel, and a door opening and closing drive device for opening and closing the door panel. The door opening / closing drive device and the rail body guide means provided are configured to pass through the passage inside the cover. It is a platform door device that.

  In the present invention, in the configuration in which the panel width of the door pocket panel is formed shorter than the panel width of the door panel, the door panel protruding from the door pocket panel in the opening operation of the door panel is configured to be housed in the partition panel, and a part of the door panel The partition panel capable of storing the door can be constituted by an emergency escape door.

  Further, when the door opening / closing drive device has a belt having one end fixed to the door end side of the door panel and the other end fixed to the door bottom side of the door panel, a motor driving pulley is engaged with an intermediate portion of the belt. And the belt can be routed in a hollow passage.

  Further, the cover can be arranged at the lower part of the door panel, and when the rail body guide means is fixed to a stand erected from the bottom plate of the door pocket panel, the cover is opened downward to move the rail body guide means upward and downward. It can be configured to cover from the side.

  According to the platform door device of the present invention, even if a rail body for guiding the opening / closing operation of the opening / closing door is provided on the opening / closing door side for the purpose of compactly forming the door pocket, the rail body is covered with a cover provided on the door panel side. Can do. Moreover, since the rail body guide means is disposed so as to pass through the passage formed in the cover, the door panel can be secured by ensuring the connection state between the rail body and the rail body guide means regardless of the presence of the cover. Can be opened and closed without hindrance.

1 is a front view of a platform door device according to the present invention. It is an enlarged view of the door panel and door pocket panel shown in FIG. It is left side sectional drawing which shows the guide structure of a door panel upper part. FIG. 3 is a left side view of FIG. 2. (a) is a door panel closed state, (b) is during opening operation, (c) is an operation explanatory view showing the open state. It is a front view which has a notch which shows the structure of the conventional platform door apparatus.

  Hereinafter, the present invention will be described in detail based on the embodiments shown in the drawings.

  FIG. 1 is a front view of a platform door device according to the present invention as viewed from the track side.

  In the figure, a platform door device 1 is mainly composed of a sliding door type door panel 2 arranged in a row, a door pocket panel 3 and an emergency escape door panel (emergency escape door) 4 functioning as a partition panel.

  The door panel 2 is provided along the boarding / alighting side edge of the platform and opens and closes the boarding / alighting passage.

  The door pocket panel 3 is formed in a rectangular tube shape, and is provided on both the left and right sides of the door panel 2. The length of the upper collar part 3 a and the lower collar part 3 b (see FIG. 2) serving as the frame is shorter than the lateral width of the door panel 2.

  A pedestal 3c is provided at the bottom of the door pocket panel 3, and a plurality of fixed legs 3d are suspended from the pedestal 3c, and each fixed leg 3d is fixed to a pit 5a recessed in the platform 5 via an anchor bolt 3e. Yes.

  The emergency escape door panel 4 is a box-shaped member that is continuously provided on the door bottom 3f side of the door pocket panel 3 and communicates with the door pocket panel 3. The door panel 2 protrudes from the door bottom side of the door pocket panel 3 when the door panel 2 is opened. The door bottom 2f can be stored.

  Further, a support column 6 is provided on the opposite side of the emergency escape door panel 4 from the door pocket side, and the emergency escape door panel 4 can be turned to the home side with the support column 6 as a center (vertical axis). .

  In the figure, reference numeral 6a denotes a pedestal that supports the column 6, and this pedestal 6a is fixed to the pit 5b via an anchor bolt 6b.

  The emergency escape door panel 4 opens an evacuation route that guides passengers to the platform when the train stops or the door panel 2 breaks down when the train door does not correspond to the door panel 2 of the platform door device 1. If it is unlocked, it can be turned about 90 ° toward the inside of the home.

  In the figure, reference numerals 2i, 3i and 4i denote glass panels fitted in the door panel 2, the door pocket panel 3 and the emergency escape door panel 4, respectively.

  Next, the structure of the door panel 2 and the door pocket panel 3 is demonstrated in detail.

  In FIG. 2, the door panel 2 consists of a rectangular panel, and is arrange | positioned with the long side side lengthwise. A collar 2b extends from the upper collar 2a in the upper part on the door bottom side, and a U-shaped frame 2c extends in the lateral direction at the lower part. The extended flange 2b and frame 2c are for supporting the door panel 2 in the closed state by the door pocket panel 3.

  A concave groove 2b ′ (see FIG. 3) is continuously formed on the upper surface of the upper collar 2a and the collar part 2b. The door guide 3a 'extended in the direction is engaged. Thereby, it guides in the state where the upper side of the door panel 2 was supported.

  On the other hand, a linear rail (rail body) 7 is attached laterally to the lower part of the track side panel surface of the door panel 2, and this linear rail 7 is a rail guide (rail body guide means) provided in the door pocket panel 3. ) 8 is supported.

  Specifically, as shown in the left side view of FIG. 4, the linear rail 7 is provided with a protrusion 7a protruding toward the track side, while the rail guide 8 has the protrusion toward the home side. An engagement groove 8a that engages with 7a is formed.

  Accordingly, the linear rail 7 slides in the lateral direction while being supported by the rail guide 8 by inserting and engaging the ridges 7a from the lateral ends (the depth direction in the drawing) of the engaging grooves 8a. Can do.

  The rail guide 8 is fixed to an upper portion of a stand 9 erected from the bottom plate 3g of the door pocket panel 3. Further, 3h is a connection fitting for connecting the bottom plate 3g and the fixed leg 3d, and 3j is a bolt for connecting the pedestal 3c and the bottom plate 3g via the connection fitting 3h.

  A box-shaped bracket 10 is further fixed to the upper surface of the stand 9, and a door opening / closing drive device is attached to the bracket 10. Further, 11 is a sensor for detecting the door open position, 12 is a sensor for detecting the door closed position, and 13 is a control panel for controlling the door opening / closing operation.

  Returning to FIG.

  The door opening / closing drive device A includes a motor 14 with a speed reducer, a drive pulley 15 provided on an output shaft of the motor 14, a driven pulley 16 disposed on the lower left side of the drive pulley 15, each pulley 15, 16 is mainly composed of a timing belt 17 spanning the belt 16.

  One end of the timing belt 17 is fixed to the door tip 2d of the door panel 2 via a stopper 2e, and the other end is routed in a Z shape. Specifically, the drive pulley 15 is folded back to follow the pulley 16. The driven pulley 16 is further folded back and routed, and is fixed to the door bottom 2f of the door panel 2 via a stopper 2g.

  The timing belt 17 and the linear rail 7 described above are arranged vertically and are accommodated in a cover 18 having a length substantially the same as the lateral width of the door panel 2.

  As shown in FIG. 4, the cover 18 includes an upper plate portion 18 a inclined downward from the lower edge portion of the glass panel 2 i toward the track, and a vertical plate portion 18 b suspended from the tip of the upper plate portion 18 a. The door plate side lower end of the vertical plate portion 18b is connected to the front end of the lower frame portion 2h extending from the lower end of the door panel 2 toward the track side.

  Accordingly, the cover 18 is opened downward to cover the door opening / closing drive device A and the rail guide 8 from above and from the side.

  Corresponding to the cover 18 having such a shape, a bulge portion 3m having an upper plate portion 3k and a vertical plate portion 3l is also formed in the door pocket panel 3, and the cover 18 is formed in the bulge portion 3m. It is designed to be stored.

  In addition, a hollow passage 19 is provided in the cover 18 so that the upper half of the cover 18 communicates in the horizontal direction (depth direction in the drawing) when the door is closed.

  The passage 19 is configured such that when the door panel 2 is opened, the door opening / closing drive device A and the stand 9 that supports the passage 19 can pass through the passage 19.

  The emergency escape door panel 4 adjacent to the door pocket panel 3 is also formed in a box shape as described above, and includes a bulging portion (not shown) having the same shape as the bulging portion 3 m of the door pocket panel 3. When is opened, the cover 18 is stored across the bulging portion 3 m of the door pocket panel 3 and the bulging portion of the emergency escape door panel 4.

  Next, the operation of the platform door apparatus 1 having the above configuration will be described with reference to FIG.

  FIG. 5A shows the door closed state, FIG. 5B shows the door being opened, and FIG. 5C shows the door open state.

  First, in the door closed state shown in FIG. 5A, the drive pulley 15 rotates counterclockwise, the door panel 2 the frame 2c on the door bottom side is pulled by the belt 17 in the arrow B (door closed) direction, and the door panel 2 is The door is closed by being pulled out while being supported by the rail guide 8 (see FIG. 2).

  During the door opening operation shown in FIG. 5 (b), the drive pulley 15 rotates clockwise and the door end 2d of the door panel 2 is pulled in the direction of arrow C (door opening), so that the door panel 2 is moved to the rail guide 8. It is moving in the direction of arrow C while being supported.

  At this time, the flange portion 2b 'and the frame 2c of the door panel 2 pass through the door bag panel 3 and protrude from the door bottom side, but the protruding portion enters the emergency escape door panel 4.

  In the door open state shown in FIG. 5C, the door panel 2 is stored across the door pocket panel 3 and the emergency escape door panel 4. That is, in the platform door device 1 of the present embodiment, as a result of reducing the lateral width of the door pocket panel 3 in order to increase the opening width of the emergency escape door panel 4, the entire door panel 2 cannot be accommodated in the door pocket panel 3. In normal times, the door panel 2 protruding from the door pocket panel 3 is stored in the emergency escape door panel 4.

  On the other hand, since the door panel 2 originally does not open in an emergency, the door panel 2 does not protrude from the door bottom side of the door pocket panel 3 even if the width of the door pocket panel 3 is short. Therefore, the emergency escape door panel 4 can be opened.

  Further, according to the above-described embodiment, the length of the linear rail 7 attached to the door panel 2 and the timing belt even when the lateral width of the door panel 2 has to be changed due to, for example, different types of vehicles. This can be dealt with only by changing the length of 17 and there is an advantage that there is no need to change the configuration of the door pocket panel 3.

DESCRIPTION OF SYMBOLS 1 Platform door apparatus 2 Door panel 2a Upper gutter 2b Gutter part 2c Frame 2d Door tip part 2f Door bottom part 3 Door bag panel 3f Door bottom 3k Upper board part 3l Vertical board part 3m Expansion part 4 Emergency escape door panel 5 Platform 6 Prop 7 Rail 8 Rail guide 9 Stand 10 Bracket 11, 12 Sensor 13 Control panel 14 Motor 15 Drive pulley 16 Driven pulley 17 Timing belt 18 Cover 19 Passage

Claims (3)

In a platform door device comprising a door pocket panel whose bottom is fixed to the platform, and a sliding door type door panel supported by the door pocket panel to open and close the entrance / exit passage,
A rail body provided on the door panel along the opening and closing direction of the door panel;
Rail body guide means provided inside the door pocket panel and slidably guiding the rail body;
A door opening and closing drive device for opening and closing the door panel;
A cover provided on the door panel so as to cover the rail body and the rail guide means,
The door panel is a rectangular panel, with a collar extending laterally from the upper collar at the top of the door butt side, and a frame extending laterally at the lower part of the door butt side. It is the structure which supports a door panel with a door pocket panel by a part and a frame,
The cover is arranged to be located at a lower portion of the door panel;
The door opening and closing drive device includes a motor provided inside the door pocket panel and a member provided at a lower portion of the door panel and driven by the motor.   2. The platform door device according to claim 1, wherein a sensor for detecting a door opening / closing position and a control panel for controlling a door opening / closing operation are located at a lower portion in the door pocket panel.   The platform door device according to claim 2, wherein the door panel is provided with a glass panel.

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