JP5887177B2 - Platform screen door device - Google Patents

Description

  The present invention relates to a platform screen door device.

  2. Description of the Related Art Conventionally, as disclosed in, for example, Patent Document 1 below, a platform screen door device including a wall body and a door body that are suspended from a platform structure is known. The platform screen door device disclosed in Patent Literature 1 includes a fixed wall body fixed to the platform and a door body that is driven to open and close. A part of the fixed wall body is configured as an emergency escape door, and is configured to be manually rotated inside the platform.

JP 2007-100372 A

  In the platform screen door device disclosed in Patent Document 1, since the emergency escape door is a hinged door type, there is a possibility that the emergency escape door opened to the inside of the platform may hit passengers on the platform. There are still problems from the perspective of ensuring human safety at times.

  Therefore, the present invention has been made in view of the above prior art, and an object of the present invention is to provide a platform screen door device capable of ensuring the safety of a person on the platform.

In order to achieve the above object, the present invention provides a plurality of walls disposed at intervals in a direction along the edge of the platform, and disposed at positions shifted in the thickness direction with respect to the plurality of walls. A drive unit that drives the door body in a direction along the wall body so as to open and close a doorway formed between the plurality of wall bodies. At least a part of the wall body is connected to a hanger suspended on a rail fixed in the header box so as to extend in a direction along the edge of the platform, and as an emergency escape door slidable along the rail. The rail for guiding the door body and the rail for guiding the emergency escape door are arranged at the same height position, and the door hanger for hanging the door body and the hanger for hanging the emergency escape door are: height A platform screen door device has the same length direction.

  In the present invention, the emergency escape door is configured to move along a rail provided so as to extend in a direction along the edge of the platform. For this reason, even if the emergency escape door is manually moved, it does not rotate toward the inside of the platform. For this reason, even if there are many people on the platform, the emergency escape door does not hit the people. Therefore, the safety of people on the platform can be ensured.

  The said hanger may be comprised by the member of the same structure as the door hanger which suspends the said door body.

  In this aspect, since the member which comprises a hanger and the member which comprises a door hanger can be made shared, the effort of management of a member number can be reduced.

  As described above, according to the platform screen door device of the present invention, the safety of a person on the platform can be ensured.

It is the front view which looked at the platform screen door device concerning the embodiment of the present invention from the platform inner side. (A) shows the configuration of the first lane in the platform screen door device, (b) shows the configuration of the second lane in the platform screen door device, and (c) shows the configuration of the third lane in the platform screen door device. It is a front view. It is sectional drawing of the state which looked at the said platform screen door apparatus from the side surface. (A) It is a conceptual diagram for demonstrating opening and closing of the emergency escape door of the said platform screen door apparatus, (b) It is a conceptual diagram for demonstrating opening and closing of the emergency escape door of the conventional platform screen door apparatus.

  Hereinafter, embodiments for carrying out the present invention will be described in detail with reference to the drawings.

  As shown in FIG. 1, a platform screen door device (hereinafter simply referred to as a screen door device) 10 according to the present embodiment is fixed in a suspended form on a structure fixed above the platform. It is configured as a screen door device that divides the space into the track side and the platform inside. That is, above the platform, a fixed structure is provided that is configured by combining a number of steel materials such as H-shaped steel and is arranged along the track side edge of the platform. Supported by this structure. And the header box 11 (refer FIG. 3) in which the apparatus for drive-controlling the door bodies 18 and 19 is accommodated at the lower end part of this structure is fixed, and the door bodies 18 and 19 are downward from this header box 11. It is provided to extend.

  By arranging a large number of screen door devices 10 according to the present embodiment in the direction along the track, at least a range where the train stops in the platform is divided into the track side and the platform inside.

  As shown in FIG. 2, the screen door device 10 includes a plurality of (two in the illustrated example) wall bodies 17 and 17 arranged at intervals in a direction along the edge of the platform, and the wall bodies 17 and 17. A plurality of (four in the illustrated example) door bodies 18 and 19 for opening and closing the doorway between them, and a drive unit 20 for opening and closing the door bodies 18 and 19 are provided.

  As shown in FIGS. 2A to 2C and FIG. 3, the screen door device 10 includes two lanes (first lane 21 and second lane 22) that are moving lanes of the door bodies 18 and 19, and A third lane 23 which is a lane in which the wall bodies 17 and 17 are disposed, and these lanes 21, 22 and 23 are shifted in a direction perpendicular to a direction along the track (moving direction of the door body). Are arranged. The first lane 21 is located closest to the track, and the third lane 23 is farthest from the track. The second lane 22 is located between the first lane 21 and the third lane 23.

  The plurality of door bodies 18 and 19 include first door bodies 18 and 18 provided to be movable in the first lane 21 and second door bodies 19 and 19 provided to be movable in the second lane 22. ing. Two each of the first door body 18 and the second door body 19 are provided, and the pair of first door bodies 18 and the pair of second door bodies 19 are both sliding doors. Yes. And the wall bodies 17 and 17 are located in the platform inner side with respect to the 1st door body 18 and the 2nd door body 19. As shown in FIG. In other words, the door bodies 18 and 19 of the first lane 21 and the second lane 22 are arranged at positions shifted in the thickness direction with respect to the plurality of wall bodies 17 and 17. And the 1st door body 18 and the 2nd door body 19 are arrange | positioned so that the different lanes 21 and 22 may be opened and closed.

  The drive unit 20 includes a first lane door drive unit 25 that drives the first door body 18 and a second lane door drive unit 26 that drives the second door body 19.

  As shown in FIGS. 2A and 3, the first lane door drive unit 25 includes a motor 25a fixed in the header box 11, a first drive pulley 25b provided on a drive shaft of the motor 25a, A first driven pulley 25c rotatably supported on a shaft fixed in the header box 11, and an endless first belt member 25d wound around the first drive pulley 25b and the first driven pulley 25c. .

  Each of the motors 25a is fixed to a fixing member S1 fixed so as to hang down from a beam material constituting a structure fixed to the station building. The rail (first rail) 21a of the first lane 21 is also fixed to these fixing members S1. The 1st rail 21a guides the 1st door body 18, and the door wheel 21c provided in the door hanger 21b which suspends the 1st door body 18 rolls on this 1st rail 21a. The first rail 21a has a closed position where the first door body 18 is located at the center between the pair of wall bodies 17 and 17 and an open position where the first door body is located at a position where the first door body overlaps the wall bodies 17 and 17. It is configured to be able to move between.

The door hanger 21b is provided with a metal support member 21d that supports the metal hardware connected to the first belt member 25d. The metal fitting support member 21d provided on the door hanger 21b of the first door body 18 on the right side in FIG. 2A is connected to the upper span of the first belt member 25d, and the first door body 18 on the left side in FIG. The metal fitting support member 21d provided on the door hanger 21b is connected to the lower span of the first belt member 25d. That is, the first door body 18 is connected to the first belt member 25d.

  The first driven pulley 25 c of the first lane door drive unit 25 is configured as an input shaft of the speed reducer 28 disposed in the second lane 22. The speed reducer 28 outputs, from the transmission shaft (output shaft), a driving force at a rotational speed that is decelerated at a predetermined ratio with respect to the rotational speed of the first drive pulley 25b. This predetermined ratio is appropriately selected according to the movement stroke of the first door body 18 and the movement stroke of the second door body 19.

  As shown in FIG. 2B, the second lane door drive unit 26 rotates on a shaft fixed in the header box 11 and a second drive pulley 26a provided on a transmission shaft as an output shaft of the speed reducer 28. The second driven pulley 26b is freely supported, and the second driving pulley 26a and the second belt member 26c wound around the second driven pulley 26b are provided. That is, the second drive pulley 26a causes the second belt member 26c to travel using the first driven pulley 25c as a drive source. That is, in the first lane door drive unit 25 and the second lane door drive unit 26, the drive system of the door bodies 18 and 19 is a belt drive system.

  The shaft of the second driven pulley 26b and the speed reducer 28 are fixed to a fixing member S2 that is fixed so as to hang down from the beam material constituting the structure fixed to the station building. A rail (second rail) 22a of the second lane 22 is also fixed to these fixing members S2. The 2nd rail 22a guides the 2nd door body 19, and the door wheel 22c provided in the door hanger 22b which suspends the 2nd door body 19 rolls on this 2nd rail 22a. The second rail 22a has a closed position where the second door body 19 is close to the wall bodies 17, 17 between the pair of wall bodies 17, 17, and a position where the second door body 19 overlaps the wall bodies 17, 17. It is comprised in the length which can move between the open positions which are located. That is, since the driving force of the first door body 18 is transmitted to the second door body 19 via the speed reducer 28, the movement stroke of the second door body 19 is shorter than the movement stroke of the first door body 18. (For example, about a half). The closed position of the second door body 19 is a position between the closed position of the first door body 18 and the wall bodies 17 and 17.

The door hanger 22b of the second door body 19 is provided with a metal fitting support member 22d that supports the metal fitting connected to the second belt member 26c. A metal support member 22d provided on the door hanger 22b of the second door body 19 on the right side in FIG. 2B is connected to the upper span of the second belt member 26c, and the second door body 19 on the left side in FIG. The metal fitting support member 22d provided on the door hanger 22b is connected to the lower span of the second belt member 26c. That is, the second door body 19 is connected to the second belt member 26c.

  As shown in FIGS. 2C and 3, the third lane 23 is also provided with a rail (third rail) 23a. In the present embodiment, both the pair of wall bodies 17 and 17 are the third lanes 23a and 17b. The emergency escape door 30 is configured to be manually slidable along the rail 23a. The emergency escape door 30 is movable in the direction from the position shown in the drawing (the position overlapping the opening position of the door bodies 18 and 19) toward the entrance / exit. That is, the emergency escape door 30 is movable in a direction parallel to the moving direction of the door bodies 18 and 19 as shown in FIG. 4A, and is of the conventional hinged door type shown in FIG. Different from the emergency escape door 30 '.

  The 3rd rail 23a functions as a guide member when sliding the wall bodies 17 and 17 comprised as this emergency escape door 30, This 3rd rail 23a comprises the structure fixed to the station building. It is being fixed to fixing member S3 fixed so that it may hang down from the beam material to perform.

  A door wheel 23c provided on a hanger 23b for suspending the wall bodies 17, 17 (emergency escape door 30) rolls on the third rail 23a. The hanger 23b is comprised by the member of the same structure as the door hanger 21b and 22b which suspends the door bodies 18 and 19. FIG. In addition, if the lock member (illustration omitted) which locks the doorwheel 23c is provided, the wall bodies 17 and 17 can be comprised not as a movable wall body but as a fixed wall body (what is called a FIX door).

  As shown in FIG. 1, the wall bodies 17 and 17 are provided with a manual unlocking mechanism 31 for releasing the lock of the locked wall body 17. The manual unlocking mechanism 31 is for moving the lock member 32 between the locking position for locking the wall bodies 17 and 17 and the unlocking position for releasing the lock. A handle 31a that can be operated from the track side with respect to the walls 17 and 17 and a keyhole 31b that can be unlocked from the inside of the platform with respect to the walls 17 and 17 are included. The walls 17 and 17 are normally locked, but are locked by moving the lock member 32 to the unlocked position by operating the handle 31a or operating the key hole 31b with a predetermined key (not shown). The wall bodies 17 and 17 can be made slidable.

  The drive unit 20 of the screen door device 10 according to the present embodiment drives the door bodies 18 and 19 in a direction along the wall bodies 17 and 17 so as to open and close the entrance formed between the wall bodies 17 and 17. . That is, the first door body 18 and the second door body 19 are both movable between the closed position and the open position, and the door bodies 18 and 19 are opened and closed by the driving force of the motor 25a. .

  As described above, in the present embodiment, the emergency escape door 30 is configured to move along the third rail 23a provided so as to extend in the direction along the edge of the platform. For this reason, even when the emergency escape door 30 is manually slid, it does not rotate toward the inside of the platform. For this reason, even if there are many people on the platform, the emergency escape door 30 does not hit the people. Therefore, the safety of people on the platform can be ensured. Moreover, since the position which suspends the door bodies 18 and 19 and the position which suspends the emergency escape door 30 can also be interchanged, it becomes possible to interchange the position of an entrance / exit and the position of an emergency exit.

  Moreover, in this embodiment, since the member which comprises the hanger 23b which suspends the emergency escape door 30 and the member which comprises the door hanger 21b, 22b which suspends the door bodies 18 and 19 are comprised by the member of the same structure. These members can be shared. Therefore, the labor of managing the number of members can be reduced.

  Note that the present invention is not limited to the above-described embodiment, and various modifications and improvements can be made without departing from the spirit of the present invention. For example, in the above-described embodiment, the example in which the pair of first door bodies 18 and the pair of second door bodies 19 are configured as double-opening sliding doors has been described, but the present invention is not limited thereto. For example, the 1st door body 18 and the 2nd door body 19 may be comprised as a one-pull type sliding door. Moreover, although the screen door apparatus 10 demonstrated the structure provided with the 1st door body 18 and the 2nd door body 19, it is not restricted to this. For example, it is good also as a structure which is not provided with the 2nd door body 19, or it is good also as a structure which increases a lane further and provides the door body of 3 lanes or more.

  Moreover, in the said embodiment, although the 2nd drive pulley 26a which drives the 2nd door body 19 was set as the structure which receives the drive force of the motor 25a of the 1st lane door drive part 45 via the reduction gear 28, it is restricted to this. is not. For example, a motor for driving the second door body 19 may be provided separately, and the second door body 19 may be driven by this motor.

DESCRIPTION OF SYMBOLS 10 Platform screen door apparatus 17 Wall body 18 1st door body 19 2nd door body 20 Drive part 21 1st lane 21a 1st rail 21b Door hanger 22 2nd lane 22a 2nd rail 22b Door hanger 23 3rd lane 23a 3rd Rail 23b Hanger 30 Emergency escape door

Claims (2)

A plurality of walls arranged at intervals in a direction along the edge of the platform;
A door disposed at a position shifted in the thickness direction with respect to the plurality of walls,
A drive unit that drives the door body in a direction along the wall body so as to open and close a doorway formed between the plurality of wall bodies,
At least a part of the plurality of walls is connected to a hanger suspended on a rail fixed in the header box so as to extend in a direction along an edge of the platform, and slides along the rail. Configured as a possible emergency escape door ,
The rail for guiding the door body and the rail for guiding the emergency escape door are arranged at the same height position,
The door hanger for suspending the door body and the hanger for suspending the emergency escape door are platform screen door devices having the same length in the height direction .   The platform screen door device according to claim 1, wherein the hanger is configured by a member having the same configuration as a door hanger that suspends the door body.

Images