JP2001233200A - Door device for platform - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door device for platform capable of passing a person (station employee) from the platform side to a track side when necessary in a closed state of a movable fence provided in the platform. SOLUTION: A hinge 9 is provided in a main body 3a of a movable fence 3 at a door closing side end thereof, and a door 3b having a door stopper part 3bb is pivotally held by the hinge 9. In an emergency, a passage 4a for passenger is formed from the platform side to the track side by opening the door 3b.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a platform door device installed at a railway station or the like.

[0002]

2. Description of the Related Art In recent years, a platform door device (hereinafter referred to as a door) has been developed for the purpose of preventing a person from falling from a platform of a station to a track on which a vehicle (train) travels, or preventing a person from touching a traveling vehicle. Device). 15 to 17 show a typical configuration thereof. Such a door device 1 includes a platform and a vehicle 6 along an edge of a platform (hereinafter referred to as a platform) 5 of a station.
A fixed fence 2 that separates the track side on which the (train) travels, and a movable fence 3 arranged corresponding to the entrance 7 of the vehicle when the vehicle 6 stops, and the vehicle 6 stops at the station When not in operation, the movable fence 3 is closed to separate the track side and the platform side (FIG. 15), and when the vehicle 6 enters and stops, the movable fence 3 opens substantially in conjunction with the door 7a on the vehicle side and opens. The person can get on and off through the opening 4. (FIG. 16) Note that the prior art relating to the door device 1 is disclosed in, for example, JP-A-9-177456 and JP-A-11-177456.
No. 78862.

[0003]

However, when such a conventional door device is operated on a platform of a station, the following problems occur. For example, as shown in FIG. 17, when the vehicle 6 is about to depart and the door 7a on the vehicle is closed, and the movable fence 3 is closed almost at the same time, the belongings such as the back 8 of the passenger happen to be on the door 7a on the vehicle. Even if the station staff is on the platform side and finds it, the station staff is blocked by the door device 1 and cannot immediately remove it. Of course, it is possible to open the door 7a of the vehicle by contacting the conductor or open the movable fence 3 in the usual manner (by operating a well-known driving machine), and the station staff can take care of the treatment, but in many cases it takes time. It will be a problem for the operation of the vehicle. As described above, depending on the case, the door device sometimes hinders the passage of traffic by a person (in this case, a station worker) or business.

There are many passengers around the movable fence 3 waiting for the vehicle 6 to arrive. For example, if any of these passengers pushes down, hangs, or pushes from the side by putting a hand on the upper edge of the closed movable fence 3, an excessive moment load is applied to the support portion of the movable fence 3. (Reaction force)
Is added. For this reason, in maintenance operation of the door device, it was necessary for the station staff to monitor such actions so as not to be performed.

[0005] In addition, if there is a passenger who hits the movable fence 3 with the tip of the bat umbrella or kicks with his foot, the movable fence 3 is damaged or damaged. In particular, the lower part of the movable fence 3 is more likely to be mischievous than the other parts and thus is often damaged. If the lower part of the movable fence 3 is damaged, the movable fence 3 is forced to be used with the movable fence 3 open and repaired or replaced at night or early in the morning when the operation of the vehicle 6 is completed. This was not favorable for the maintenance operation of the door device.

[0006] Also, the door stop side of the movable fence 3 is easily contacted by a person getting on and off, and particularly, the lower part of the door stop side is easily contacted by the foot of a rush rider when the movable fence starts closing.
For this reason, the station staff had to take care that no one would injure or fall.

[0007] The present invention has been made to solve the problems of maintenance, operation or safety of these door devices.

[0008]

SUMMARY OF THE INVENTION A platform door device according to the present invention is arranged corresponding to a fixed fence erected at an edge of a platform along a track of an incoming / outgoing vehicle and an entrance / exit of a stopped vehicle. A movable fence that opens and closes the opening of the movable fence is provided. A door having a door stop is provided rotatably supported on the longitudinal axis of the movable fence main body on the door closed side end.

Further, the platform door device according to the present invention includes a fixed fence erected at the edge of the platform along the track of the vehicle to and from which the vehicle arrives and departs, and an entrance / exit of the vehicle stopped by being guided and supported by the fixed fence. It comprises a movable fence for opening and closing the correspondingly arranged opening and a control device for the movable fence. The movable fence is provided on at least one of the upper edge portion and the side and receives a pressing force from the outside so that the movable fence is inwardly moved. And a load detector that operates by a detection plate that moves by receiving a pressing force exceeding a predetermined value and generates a detection signal is provided,
Further, a control device is provided which issues an alarm via an alarm when receiving a detection signal from the load detector.

Further, the platform door device according to the present invention has a fixed fence erected at the edge of the platform along the trajectory of the vehicle coming and going, and an entrance / exit of the vehicle stopped by being guided and supported by the fixed fence. A movable fence for opening and closing the correspondingly arranged opening, and a control device for the movable fence; the movable fence is provided at an upper edge portion and moves downward when receiving a pressing force from above; A load detector that operates by the detection plate that moves by receiving a pressing force that exceeds the threshold value and generates a detection signal; and a support that supports a load from above based on an operation command output from the control device in response to the detection signal. And a driving device for projecting the metal fitting from the lower part of the movable fence toward the floor of the platform.

Further, the platform door device according to the present invention is provided with a door plate which is fastened to and separated from the movable fence main body below the main body.

Further, the platform door device according to the present invention is provided with a movable fence capable of opening and closing the opening even when the door plate is separated.

The movable fence of the platform door device according to the present invention is provided with a space for ensuring safety below the door stop when the door is closed.

[0014] In the platform door device according to the present invention, a touch sensor is provided along the outer periphery of the retracted portion of the movable fence.

In the platform door device according to the present invention, a shielding member made of an elastic material and fixed to the retreating portion of the movable fence is provided in the space corresponding portion.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 FIG. 1 to FIG. 4 show a first embodiment according to the present invention. 1 is a front view of the entire door device as viewed from the platform side, FIG. 2 is a cross-sectional view of FIG. 1 as viewed from an arrow, and FIG. 3 is a plan view of FIG. FIG. 4 is a flowchart illustrating the operation. In the drawing, reference numeral 2 denotes a well-known fixed fence of the door device 1, 3 denotes a pair of movable fences guided and supported by the fixed fence 2 to open and close the opening 4 of the door device 1 (open and close the door), and 5 denotes a station. , 6 is a vehicle such as a train, and 7a is a vehicle door.

In the first embodiment, the movable fence 3 is constituted by a main body 3a and a door 3b. That is, the main body 3a
Is supported and guided on one side by the fixed fence 2, and is driven by a driving machine (not shown).
To open and close. A hinge 9 (vertical axis) is provided at the other side of the main body 3a, that is, at the end on the door closing side, and the door 3b is pivoted by the hinge 9 and is normally used (the door device is normally operated). 1), the main body 3a and the door 3b are held (fixed) in a flat plate shape by the latches 10. Then, when the latch 10 is removed, the door 3b can be turned around the hinge 9 toward the home. 3bb is a door stop of the door 3b. The latch 10 is provided on the track side of the main body 3a and the door 3b as shown in FIG.
It is a semi-embedded type that does not protrude much from both surfaces. Further, safety is taken into consideration so that the door 3b does not protrude into the track even when it is rotated.

Next, the operation will be described. For example, assuming that the passenger's bag 8 as shown in FIG. 3 is sandwiched between the doors 7a of the vehicle 6 when the door is closed, the response at this time (key points) will be described based on the flow of FIG. explain. 1) First, the station worker who discovers the back 8 removes the bolt 10 by hand. That is, the bar 10a is slid in the direction of the arrow in FIG. (Step S10 and FIGS. 1 and 2) 2) Next, the station worker puts his hand on the upper edge of the door 3b and opens the door 3b to the platform side (S11) 3) Subsequently, the opening of the door 3b opened by the station worker, that is, the platform Approaching the vehicle through the passage 4a formed from the side to the track side (S12), removing the passenger's back 8 or pushing it into the vehicle (S13 and FIG. 3) 4) The station worker returns to the platform side and closes the door 3b (S14). 5) Hang the bar 10 (S15) This ends the processing operation.

By the series of operations and processing operations of the station staff, for example, the passenger 8 can quickly remove the passenger back 8. Since the station platform 5 is crowded with a large number of passengers, an unexpected accident may occur. Therefore, when the door is in the closed state, the station staff may have to suddenly approach the door 7a of the vehicle 6. In such an emergency,
According to the first embodiment, the passage and work of the station staff are not hindered.

In the first embodiment, the latch 10 is used to hold the main body 3a and the door 3b of the movable fence 3 in a flat plate shape. However, the present invention is not limited to this. For example, FIG. As shown, a well-known electromagnetic lock device 13 operated by the push button 12 may be used. Further, a detection switch 14 applied as a limit switch is provided to detect that both are flat, and safety measures can be taken so that the movable fence 3 does not open and close unless this detection switch 11 outputs a detection signal.

Embodiment 2 FIG. A second embodiment according to the present invention is shown in FIGS. 5 is a front view of the entire door device as viewed from the home side, and FIG. 6 is a cross-sectional view of FIG.
In the figure, reference numeral 30 denotes a movable fence guided and supported by the fixed fence 2 to open and close the opening 4, and 31 a denotes an opening 4 of the closed movable fence 30.
An upper detection plate having a U-shaped cross section and 32a is a support rod fixed to the center inside the upper detection plate 31a, and the lower end is threaded. 33a is a nut for fastening,
34 is a main frame of the movable fence 30, 35 is an upper frame fixed to the upper part of the main frame 34, 35a is an opening provided in the center of the upper surface of the upper frame 35, 36a is the upper detection plate 31a and the upper frame 35, The compression spring is inserted between them.

The support rod 32a penetrates the through hole 35a and is configured to be slidable up and down, and a nut 33a is screwed to a lower end thereof. Since the compression spring 36a is interposed between the upper detection plate 31a and the upper frame 35, the upper detection plate 31a is constantly urged upward. A load detector 37 is fixed to the upper frame 35, and a detection unit 37a is a load detector including a limit switch facing the inner surface of the upper detection plate 31a. 31c is an upper detection plate 31a.
Is a stopper provided at the lower end of the upper frame 35 and opposed to the upper frame 35. Then, for example, when the upper detection plate 31a is pressed downward by a force of 20 kg (predetermined value) or more, the upper detection plate 31a comes into contact with the detection unit 37a of the load detector 37. Thus, the load detector 37 is operated, and the detection signal is output. The above configuration will be referred to as an upper load detection device.

Next, 31b is a flat side detection plate provided on the side surface of the movable fence 30 on the home side, 32b is a support rod fixed to the side detection plate 31b, and the shaft end is threaded. . 33b is a nut for fastening, and 35b is a main body frame 3.
An opening hole 36b provided in 4 is a compression spring inserted between the side detection plate 31b and the main body frame 34.

The support rod 32b penetrates the through hole 35b so as to be slidable in the horizontal direction, and a nut 33b is screwed on the shaft end side. Since the compression spring 36b is interposed between the side detection plate 31b and the main body frame 34, the side detection plate 31b is constantly urged outward (to the left in FIG. 6). 38 is the body frame 34
, And a detection unit 38a including a limit switch whose detection unit 38a faces the inner surface of the side detection plate 31b.
1d is a stopper provided on the inner surface of the end of the side detection plate 31b and facing the main body frame 34. Then, for example, when the side detection plate 31b is pressed from the side with a force of 20 kg (predetermined value) or more, the side detection plate 31b comes into contact with the detection unit 38a of the load detector 38. As a result, the load detector 38 operates to output a detection signal. The above configuration will be referred to as a side load detection device.

Reference numeral 40 denotes a control unit connected to the load detectors 37 and 38 of the upper and side load detectors, which is arranged in the station premises. Reference numeral 41 denotes a station management room that receives a command from the control device 40, and reference numeral 42 denotes an annunciator such as a speaker provided near the door device 1 and is connected to the control device 40.

Next, the operation will be described. First, the operation of the upper load detecting device will be described. In FIG. 6, a downward force P1 (pressing force P1, for example, 30) is applied to the upper detection plate 31a.
kg), the upper detection plate 31a is pushed down and the load detector 37 operates. When the upper detection plate 31a is further pressed down, the stopper 31c contacts the upper frame 35. In FIG. 5, when the load detector 37 operates, a detection signal is sent to the control device 40, and the control device 40 processes the detection signal and notifies the station management room 41. On the other hand, the passenger can move the movable fence 3 via the alarm 42.
An alarm is issued so that 0 is not touched. Note that the force at which the load detector 37 operates may be determined as an optimal value based on the structure (strength) of the movable fence 30 and the like, and the number of installations may be determined as necessary.

Next, the operation of the side load detecting device will be described. The operation is basically the same as that of the upper load detecting device. That is, the pressing force P2 from the side is applied to the side detection plate 31b.
Is applied, the load detector 38 operates, and its operation signal is sent to the control device 40 and processed. Subsequent operations are the same as those of the upper load detector, and a description thereof will be omitted.

Thus, even if a passenger applies weight to the upper edge of the movable fence 30, ie, the upper detection plate 31a, and pushes down, or if a strong force is applied to the side detection plate 31b from the side, the load is applied. Since the detectors 37 and 38 operate and notify via the control device 40, the station staff can know it promptly. In addition, passengers and the like who are performing such an action can be warned through a speaker. Therefore, the monitoring work of the station staff can be more thorough, which has a favorable effect in preserving the door device.

Embodiment 3 Third Embodiment A third embodiment according to the present invention is shown in FIGS. FIG. 5 is a front view of the entire door device as viewed from the home side, and FIG. 7 is an enlarged sectional view for explaining the details of the portion A in FIG. In the figure, reference numeral 50 denotes an electric cylinder (drive device) pivotally supported by a support pin 34a on the main body frame 34, which is housed in the movable fence 30 and driven by a command from the control device 40. 50a is a drive shaft of the electric cylinder 50, 51 is a support bracket pivotally supported on the main body frame 34 by a support pin 34b, and 52 is a drive shaft 5
One end 51a of the support bracket 51 is rotatably connected to the pin 52 by a pin provided at the tip of the reference numeral 0a. The axes of the support pins 34a, 34b and the pin 52 are arranged in parallel. As shown in FIG. 7, when the drive shaft 50a of the electric cylinder 50 is at the retracted position, the other end 51b of the support bracket 51 is connected to the lower end 3 of the movable fence 30.
0a protrudes downward. And then home 5
Almost abuts the floor. When the drive shaft 50a of the electric cylinder 50 is in the forward position as shown by the chain line in FIG. 7, the support bracket 51 rotates about the pin 34b and the other end 51b is stored inside the movable fence 30.

Next, the operation will be described. In the third embodiment, the drive shaft 50a of the electric cylinder 50 is normally used.
However, the support bracket 51 is stored in the movable fence 30 at the forward position. In this state, when a downward force P1 is applied to the upper edge of the movable fence 30 and the load detector 37 operates, the detection signal is received from the control device 40 to the electric cylinder 50 and the drive shaft 50a (shown by a chain line in FIG. 7). Is issued. As a result, the drive shaft 50a moves from the advanced position to the retracted position, and the support fitting 51 connected to the drive shaft 50a rotates. And the other end 51b is the movable fence 30
From the lower part 30a of the platform 5 toward the floor of the platform 5. Therefore, even if a downward load P1 is applied to the movable fence 30, the support fitting 51 abuts on the floor of the platform 5 to support the load P, so that the movable fence 30 is largely pushed down. It does not bend. Therefore, there is a favorable effect in maintaining and operating the movable fence 30.

The same effect can be obtained by a configuration in which the drive shaft 50d (corresponding to a support bracket) of the electric cylinder 50c is directly protruded toward the floor of the home as shown in part B of FIG.

Embodiment 4 FIG. Fourth Embodiment A fourth embodiment according to the present invention is shown in FIGS. 8 is a front view of the entire door device 1 as viewed from the home side, FIG. 9 is a cross-sectional view of FIG. 8, and FIG. 10 is a flow illustrating the operation. In the figure, 2 is a well-known fixed fence of the door device 1, 15 is a pair of movable fences for opening and closing the opening 4, and the movable fence 15 is supported and guided by the fixed fence 2 and has a main body 15a having an upper door stop 15b. And a door plate 15c disposed below the main body 15a and having a lower door stop 15d.

16 is an upper and lower door stop part 15b,
An obstacle sensor built in 15d, 17 is an electric wiring thereof, 18 is a connector provided in the middle of the electric wiring 17, 19 is a fastener made of a bolt for fastening the main body 15a of the movable fence 15 and the door plate 15c, 20 Is a cosmetic cap of the fastener 19. And during normal times (when operating the door device)
As shown in FIG. 9, the fastening portion between the main body 15 a and the door plate 15 c is combined with each other's convex portions and fastened with the fastener 19. Note that the fastener 19 is configured to be detached from the home side.

Further, the door plate 15c is provided at a location where the movable fence 15 is easily damaged, that is, in a range from the lower end of the movable fence 15 to a certain height (for example, a height of 1 m). Further, the door 15c is arranged so as to be entirely exposed from the fixed fence 15 when the movable fence 15 is closed. Also this door plate 1
5c is lightweight and easy to carry. Reference numeral 21 denotes a control device that controls opening and closing of the door device 1.

In the fourth embodiment, when a part of the movable fence 15 is damaged by mischief of a passenger or the like, the movable fence 15 can be easily replaced. For example, assuming a case where a station worker finds out the damage of the door plate 15c which is a part of the movable fence 15 and performs the replacement work (at the time of maintenance), the response at this time will be described based on the flow of FIG. 1. First, the controller 21 is controlled to control the corresponding movable fence 15.
From the operation control system of the door device 1 (S21). Further, the movable fence 15 is independently controlled to make the door closed (S22), and preparation for replacement is completed. 3. 3. Remove the cap 20 and the fastener 19 from the home side (S23). Remove the damaged door plate 15c from the main body 15a (S
24) At this time, the electric wiring 17 to the obstacle sensor 16 is disconnected by the connector 18. 5. 5. A separately prepared replacement door plate 15c is attached in the reverse order (S25). The relevant movable fence 15 is connected to the operation control system of the door device 1 (S26). The replacement is completed, and thereafter, the service as the door device 1 is resumed. Through the series of operations described above, most of the cases where the movable fence 15 is damaged due to mischief of a passenger or the like can be repaired. In addition, as shown by the chain line in FIG. 5, even if a part of the door plate 15e is located inside the fixed fence 2, if the door plate 15e can be separated from the home side, the same effect as in this embodiment can be obtained.

In the fourth embodiment, the door plate 15
In the state where c is removed from the main body 15a, that is, in the state of S24 in the flow shown in FIG. 10, the control device 21 can be controlled to open and close the movable fence 3 as in normal times.

The effects of the fourth embodiment are as follows. First, a door plate 1 capable of separating a lower portion of the movable fence 15 that is easily damaged by mischief of a passenger from a main body 15a of the movable fence 15.
5c, most of the repairs are done on this door plate 15c.
All you need to do is exchange. Therefore, since the repair can be performed in a relatively short time, the repair can be performed during a time when the vehicle is in operation by using a time zone with few passengers. Further, even when the door plate 15c is removed, the upper door stop 15 of the movable fence main body 15a is also provided.
Since b has a function of blocking passengers, it can withstand emergency use even without the door plate 15c under the supervision of station staff. That is, the operation is possible immediately after removing the damaged door plate 15c. Therefore, the operability of the door device 1 can be increased.

Embodiment 5 A fifth embodiment according to the present invention is shown in FIGS. FIG. 11 shows a door device 1.
12 is a front view of the entire device as viewed from the home side, and FIG. 12 is a cross-sectional view of FIG. In the figure, reference numeral 22 denotes a door stop of the movable fence 3. In this embodiment, the door stop 2 of the movable fence 3 is used.
2 is provided with a retreating portion 22a which retreats in an R-shape in the door opening direction at the lower corner portion, and when the movable fence 3 is in the door closed state, safety is secured between the retreating portion 22a and the floor of the platform 5. The space 23 is formed. The space 23 has, for example, a triangular shape with a side of about 30 cm, and the shape need not be R-shaped unless it is square. Reference numeral 24 denotes a touch sensor including a tape switch, a piezoelectric switch, and the like provided along the outer periphery of the retirement portion 22a, for example, a detection signal is output when a foot of a passenger touches, and 25 is a detection signal output from the touch sensor 24. It is a control panel that receives and processes it.

In the fifth embodiment, first, FIG.
When the movable fence 3 closes and the foot of the occupant gets close to the lower part of the door stop of the movable fence 3 when the movable fence 3 closes, the space 23 for ensuring the safety is provided at this location. Is less likely to directly touch or be pinched by the movable fence 3. For this reason, passenger safety at the time of boarding is enhanced. Also, since the touch sensor 24 is provided in the retirement unit 22a, for example, if a detection signal output from the touch sensor 24 continues for a certain period of time (for example, 10 seconds), the control device 25 receives the detection signal and the control device 25 receives an external signal (for example, By notifying to the station manager's office), it is possible to know that the passenger's feet and personal belongings are still caught in the retirement part 22a, so that the station staff can respond promptly. This has the effect of reducing the need for station staff to monitor the platform.

Embodiment 6 FIG. A sixth embodiment according to the present invention is shown in FIGS. FIG. 13 shows a door device 1.
FIG. 11 is a front view of the whole of FIG.
4 is a sectional view taken in the direction of the arrow in FIG. Reference numeral 26 denotes a shielding body fixed to the movable fence 3. Other configurations are the same as those of the fifth embodiment. The shield 26 according to the sixth embodiment is made of, for example, a plate-like elastic rubber, and is arranged so as to cover the space 23 according to the fifth embodiment. The shielding member 26 has such an elasticity that it bends when a foot or the like of a passenger touches it, but restores its original shape when external force is removed. Further, the shape is such that it is not caught in the wind generated as the vehicle travels.

With this configuration, the foot of the rider should be
Even if the shield 26 is touched, the shield 26 bends, so that injuries and the like can be prevented, and the same effects as in the fifth embodiment can be obtained.
In addition, since the space 23 can be shielded, there is an effect that an object or the like can be prevented from falling from the platform side to the track side.

[0042]

According to a first aspect of the present invention, a platform door device is disposed corresponding to a fixed fence erected at an edge of a platform along a track of a vehicle to and from which the vehicle comes and goes, and an entrance and exit of a vehicle to be stopped. The movable fence is provided with a door having a door stop rotatably supported on the vertical axis of the door-closed end of the movable fence body. For this reason, even if the movable fence is closed, a passage from the platform side to the track side is formed by opening this door when necessary, so that, for example, a station worker approaches the vehicle through this passage and closes the vehicle door. The belongings of the sandwiched passenger can be quickly removed. Therefore, in such a case, the movable fence does not obstruct the passage and work of the station staff.

According to a second aspect of the present invention, there is provided a platform door device, comprising: a fixed fence; a movable fence for opening and closing an opening arranged corresponding to an entrance of the vehicle stopped and guided by the fixed fence; The control fence consists of a movable fence,
A detection plate is provided on at least one of the upper edge and the side and moves inward when receiving a pressing force from the outside, and a detection plate that moves by receiving a pressing force exceeding a predetermined value operates to detect a detection signal. The control device issues an alarm via the alarm when a detection signal is received from the load detector, so that even if a large load exceeding a predetermined value is applied to the movable fence, it is quickly known. Can be. In addition, it is possible to pay attention to passengers and the like performing such actions. Therefore, the monitoring work of the station staff can be more thorough, and this has a favorable effect in preserving the platform door device.

Further, in the platform door device according to the third aspect of the present invention, a fixed fence erected at the edge of the platform along the trajectory of the vehicle coming and going, and the vehicle is stopped by being guided and supported by the fixed fence. A movable fence that opens and closes an opening portion that is arranged corresponding to the entrance of the vehicle, and a control device for the movable fence. The movable fence is provided at an upper edge portion and moves downward when receiving a pressing force from above. A load detector that operates by the detection plate that moves upon receiving a pressing force exceeding a predetermined value to generate a detection signal, and that receives a detection signal from the controller based on an operation command output from the control device. Since there is provided a driving device for protruding the supporting bracket for supporting the load from the lower part of the movable fence toward the floor of the platform, the movable fence is not largely pushed down and bent. Therefore, there is a favorable effect in preserving the movable fence.

The platform door device according to a fourth aspect of the present invention is provided with a door plate which is fastened below the movable fence body and can be separated when necessary. As a result, the door plate that is easily damaged can be replaced in a short time, so that repair can be performed using a time zone with few passengers, for example, even while the vehicle is operating, and the operability of the door device can be increased.

Further, the platform door device according to the fifth aspect of the present invention is provided with a movable fence capable of opening and closing the opening even when the door plate is separated. As a result, the movable fence can be used for an emergency, and the operability of the door device can be increased.

According to a sixth aspect of the present invention, there is provided a platform door device corresponding to a fixed fence erected at an edge of a platform along a track of an incoming and outgoing vehicle and an entrance and exit of a stopped vehicle. The movable fence is provided with a space for ensuring safety below the door stop when the door is closed. As a result, the foot of the rush rider is less likely to be touched or pinched by the lower part of the movable fence, and the safety is enhanced, so that, for example, the task of monitoring station platforms by station staff is reduced.

According to a seventh aspect of the present invention, there is provided a platform door device which is provided along an outer periphery of a retreating portion of a movable fence and which is operated by a contacting object, and which receives a detection signal from the touch sensor to receive an external signal. Control device that notifies the station manager, for example, by notifying the station manager's office that the passengers' feet or belongings are caught in the retirement section, reducing the task of station staff monitoring the platform. This has the effect.

Further, in the platform door device according to claim 8 of the present invention, since the shielding member made of an elastic body fixed to the retreating portion of the movable fence is arranged in the space corresponding portion for ensuring safety, Passengers' feet are less likely to directly touch or be pinched by the movable fence. Further, since a space for ensuring safety can be shielded, there is an effect that an object or the like can be prevented from falling from the platform side to the track side.

[Brief description of the drawings]

FIG. 1 is a front view of a platform door device according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view of FIG.

FIG. 3 is a plan view showing the operation of the main part of FIG. 1;

FIG. 4 is a flowchart illustrating the operation of the first embodiment.

FIG. 5 is a front view showing a second embodiment of the present invention and FIG.
Equivalent figure.

FIG. 6 is a sectional view taken in the direction of arrows in FIG. 5;

FIG. 7 is an enlarged view showing part A of FIG. 5 in a partial cross section.

FIG. 8 is a front view showing a fourth embodiment of the present invention;
Equivalent figure.

FIG. 9 is a sectional view taken in the direction of arrows in FIG. 8;

FIG. 10 is a flowchart showing an operation of the fourth embodiment.

FIG. 11 is a front view showing a fifth embodiment of the present invention and is a view corresponding to FIG. 1.

FIG. 12 is a sectional view taken in the direction of the arrow in FIG. 11;

FIG. 13 is a front view showing a sixth embodiment of the present invention and is a view corresponding to FIG. 1.

FIG. 14 is a cross-sectional view of FIG.

FIG. 15 is a perspective view showing the entirety of a conventional platform door device.

FIG. 16 is a perspective view similar to FIG. 15;

FIG. 17 is a front view of the same.

[Explanation of symbols]

1 platform door device (door device), 2 fixed fence, 3 movable fence, 3a (of movable fence) body, 3b (of movable fence) door, 3bb door stop, 4a passage, 5 platform, 6 vehicle (train), 9 hinge (vertical axis),
15 movable fence, 15a body (of movable fence), 15b upper door stop, 15c door plate (of movable fence), 15d lower door stop, 19 fastener, 22a retired part, 23
Space, 24 touch sensors, 25 controllers, 26
Shield, 30 movable fence, 31a upper detection plate, 31b
Side detection plate, 37, 38 Load detector, 40 control unit, 42 alarm, 50 electric cylinder (drive unit).

Claims (8)

[Claims] 1. A fixed fence erected at an edge of a platform along a track of a vehicle to be departed and arrived, and a movable fence for opening and closing an opening arranged on the platform corresponding to an entrance of the stopped vehicle. The movable fence is constituted by a main body guided and driven by the fixed fence and a door having a door stop rotatably supported on the longitudinal axis of the door closed side end of the main body. In normal times, the main body and the door are formed in a flat plate shape, and a path from the platform side to the track side is formed by rotating the movable fence door when necessary in a door closed state. A platform door device. 2. A fixed fence erected on an edge of a platform along a track of a vehicle to be arriving and departing, and an opening arranged corresponding to an entrance of the vehicle stopped by being guided and supported by the fixed fence. A movable fence that opens and closes, and a control device for the movable fence, wherein the movable fence is provided on at least one of the upper edge and the side, and a detection plate that moves inward when receiving a pressing force from the outside; A load detector that operates by the detection plate that moves in response to the pressing force and generates a detection signal, and the control device receives a detection signal from the load detector via an annunciator. A platform door device for generating an alarm. 3. A fixed fence erected at an edge of a platform along a track of a vehicle to be arriving and departing, and an opening arranged corresponding to an entrance of the vehicle stopped by being guided and supported by the fixed fence. A movable fence that opens and closes, and a control device for the movable fence. The movable fence is provided at an upper edge portion and moves downward when receiving a pressing force from above, and receives a pressing force exceeding a predetermined value. A load detector that operates by the moving detection plate and emits a detection signal, and a support bracket that supports a load from above based on an operation command output from the control device in response to the detection signal, and A drive device for projecting from a lower portion to a floor side of the platform, wherein the platform door device is provided. 4. A fixed fence erected at the edge of the platform along the trajectory of the vehicle to be arriving and departing, and an opening arranged on the platform corresponding to the entrance of the vehicle that is guided and supported by the fixed fence and stops. The movable fence includes a main body having a flat plate shape and an upper door stop portion, and a door plate fastened to the main body and having a lower door stop portion, and is in a door closed state when necessary. A platform door device wherein the door plate can be separated from a main body of the movable fence. 5. The platform door device according to claim 4, wherein the movable fence can open and close the opening even when the door plate is separated. 6. A fixed fence erected at an edge of a platform along a track of a vehicle to be arriving and departing, and an opening arranged corresponding to an entrance and exit of the vehicle stopped by being guided and supported by the fixed fence. The movable fence is provided with a retractable section that retreats in the door opening direction below the door stop, and is provided between the retractable section of the movable fence in the closed state and the floor of the platform. A platform door device, wherein a space for ensuring safety is formed. 7. A touch sensor provided along the outer periphery of the retreating portion of the movable fence and operated by an abutting object, and a control device for issuing an alarm via an alarm when receiving a detection signal from the touch sensor. The platform door device according to claim 6, further comprising: 8. The platform door device according to claim 6, wherein a shielding body made of an elastic body fixed to the retreating part of the movable fence is disposed in a space corresponding part for ensuring safety.