KR101525086B1 - Safety device for platform screen door - Google Patents

Safety device for platform screen door Download PDF

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Publication number
KR101525086B1
KR101525086B1 KR1020130156169A KR20130156169A KR101525086B1 KR 101525086 B1 KR101525086 B1 KR 101525086B1 KR 1020130156169 A KR1020130156169 A KR 1020130156169A KR 20130156169 A KR20130156169 A KR 20130156169A KR 101525086 B1 KR101525086 B1 KR 101525086B1
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KR
South Korea
Prior art keywords
auxiliary
actuator
protrusions
right doors
doors
Prior art date
Application number
KR1020130156169A
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Korean (ko)
Inventor
임창희
박주연
김광준
이종성
Original Assignee
현대로템 주식회사
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Priority to KR1020130156169A priority Critical patent/KR101525086B1/en
Application granted granted Critical
Publication of KR101525086B1 publication Critical patent/KR101525086B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B1/00—General arrangement of stations, platforms, or sidings; Railway networks; Rail vehicle marshalling systems
    • B61B1/02—General arrangement of stations and platforms including protection devices for the passengers
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C7/00—Fastening devices specially adapted for two wings
    • E05C7/04—Fastening devices specially adapted for two wings for wings which abut when closed

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)

Abstract

The present invention relates to a safeguard apparatus for a landing screen door, and more particularly, to a safeguard apparatus for a landing screen door, in particular, a left and a right protrusion which is fixed to protrude upward in the upper direction of the left and right doors and is adjacent to the inside of the upper frame when the left and right doors are closed; An actuator fixed inside the upper frame to be positioned between the left and right protrusions to receive signals from the vehicle signal system; And a locking part formed at a lower end of the actuator of the actuator and moving in a lower direction when the left and right doors are closed to lock the left and right protrusions so that the left and right doors are not opened; The door is not forcibly opened from the vehicle signal system except for an emergency in a case where the door is not opened. As a result, the passenger of the passenger due to the emergency braking of the vehicle before entering the landing area, Which can prevent an accident caused by an intrusion into the vehicle.

Description

[0001] SAFETY DEVICE FOR PLATFORM SCREEN DOOR [0002]

FIELD OF THE INVENTION The present invention relates to a safety device for a landing screen door, and more particularly to a safety device for a landing screen door installed to prevent forced opening of a closed door.

Generally, a platform screen door (PSD) is installed on a subway or light rail platform so as to be isolated from a railway line, and refers to a platform safety device or system that is automatically opened and closed in conjunction with a door of a vehicle.

In other words, if the train is completely stopped in the landing platform, it will reduce the noise, dust, strong winds, etc. caused by the train as the platform screen door is opened in conjunction with the door of the railway car and can prevent the passenger from falling into the railway with deliberate or accidental .

As shown in FIG. 1, the driving pulley 2 and the driven pulley 3 are connected to the inside of the upper frame 1 by a timing belt 4, respectively, A drive motor 5 is rotatably connected to the drive pulley 2 and an upper portion of the left door 6 and an upper portion of the right door 7 are connected to the timing belt 4, The left and right doors 6 and 7 connected to the timing belt 4 are closed or opened by turning the timing belt 4 while the drive motor 5 rotates in the forward or reverse direction.

Therefore, a safeguard device for preventing forced opening of the door is required in a platform screen door that is automatically opened and closed in conjunction with a door of a vehicle, except for an emergency, and if such a safety device is not provided, the following problems are caused.

First, when the door is forcibly opened without a door open signal from the vehicle signal system, there is a risk of a safety accident in which the passenger on the vehicle is injured by the emergency braking of the vehicle due to the emergency braking, I was.

In addition, there is a problem in that the passenger of the platform can enter the line through the forcibly opened door, so that the safety of the passenger can not be secured.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a passenger screen door which can not forcibly open a closed door except an emergency, And to provide a safety device therefor.

According to an aspect of the present invention, there is provided a safety device for a landing screen door, the safety device for a landing screen door including a left and a right door, Right protrusion; An actuator fixed inside the upper frame to be positioned between the left and right protrusions to receive signals from the vehicle signal system; And a locking part formed at a lower end of the actuator of the actuator and moving in a lower direction when the left and right doors are closed to lock the left and right protrusions so that the left and right doors are not opened; And a control unit.

In the present invention, the locking portion is fixed to the actuator of the actuator; And left and right latches protruding downward on both sides of the main body to prevent the sides of the left and right protrusions from moving respectively; And a control unit.

The present invention is further characterized in that auxiliary loosening preventing means is provided to correspond to the upper frame and left and right doors so as to prevent forcible opening of the left and right doors against breakage of the locking portion and the left and right protrusions.

In the present invention, the auxiliary opening prevention means may include left and right auxiliary protrusions fixed to the upper ends of the left and right doors so as to protrude upward, respectively, and positioned behind the left and right protrusions, respectively; First and second auxiliary actuators fixed to both sides of the actuator inside the upper frame to receive signals from the vehicle signal system; An auxiliary locking portion formed at each of lower ends of the actuators of the first and second auxiliary actuators and moving downward in the closed state of the left and right doors to lock the left and right auxiliary protrusions; And a control unit.

In the present invention, the auxiliary locking portion may include a body fixed to the lower ends of the actuators of the first and second auxiliary actuators, respectively; And left and right auxiliary latches protruding downward from one side of the body to prevent the side surfaces of the left and right auxiliary protrusions from moving respectively; And a control unit.

In the present invention, the auxiliary locking portion may include a horizontal bar to which both ends are fixed at the lower ends of the actuators of the first and second auxiliary actuators; And a receiving portion penetrating the horizontal bar in a longitudinal direction of the horizontal bar so as to allow the locking portion to pass through the horizontal bar to prevent the left and right auxiliary protrusions from being inserted and moved; And a control unit.

As described above, according to the present invention, since the door is not forcibly opened from the vehicle signal system except for an emergency, the door is not forcibly opened. As a result, the occupant of the passenger due to the emergency braking of the vehicle, This line has the effect of preventing accidents caused by intrusion.

Further, according to the present invention, since the auxiliary opening preventing means is separately provided, even if the left and right latches or the locking portions that become main are broken due to forced opening of the left and right doors, the auxiliary opening prevention means prevents the opening of the door .

Further, the present invention is simple in structure and easy to assemble and install, so that the time and cost required for maintenance and repair can be minimized.

1 is a view showing a conventional landing screen door.
Figures 2a and 2b show a safety device for a landing screen door according to the present invention.
3 is a view showing an embodiment of the auxiliary opening preventing means of the safety device for the landing screen door according to the present invention.
4 is a view showing another embodiment of the auxiliary opening prevention means of the safety device for the landing screen door according to the present invention.
5 is a sectional view taken along line AA in Fig.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a preferred embodiment of a safety device for a landing screen door according to the present invention will be described in more detail with reference to the accompanying drawings.

Hereinafter, elements having the same function in all the following drawings will be denoted by the same reference numerals, and repetitive description will be omitted. Further, the following terms are defined in consideration of functions in the present invention, Should be interpreted as.

FIG. 2 is a view illustrating a safety device for a landing screen door according to an embodiment of the present invention, FIG. 3 is a view illustrating an auxiliary opening preventing device of a safety device for a landing screen door according to an embodiment of the present invention, 4 is a view showing another embodiment of the auxiliary opening preventing means of the safety device for a landing screen door according to the present invention, and Fig. 5 is a sectional view taken along line AA of Fig.

As shown in the drawings, the present invention is a safety device for a landing screen door, and its constitution is roughly divided into left and right protruding portions 10 and 20, an actuator 30 and a locking portion 40. [

The left and right doors 6 and 7 are fixed to the upper ends of the left and right doors 6 and 7 so as to protrude upwardly so that the left and right protrusions 10 and 10 adjacent to the inside of the upper frame 1 when the left and right doors 6 and 7 are closed, , 20 are formed.

Inside the upper frame 1, there is formed an actuator 30 which is fixed to be positioned between the left and right protrusions 10 and 20 to receive a door opening or closing signal from the vehicle signal system.

When the left and right doors 6 and 7 are closed, the lower ends of the actuators 31 of the actuators 30 move downward to prevent the left and right doors 6 and 7 from being opened, (40) for locking the first and second locking members (10, 20).

The locking part 40 includes a main body 41 fixed to an actuator 31 of the actuator 30 and a pair of left and right protruding parts 10 and 20 Left and right clasps 42 and 43, respectively, to prevent them from moving.

The left and right doors 6 and 7 are formed so as to correspond to the upper frame 1 and the left and right doors 6 and 7 so that the left and right protrusions 10 (20) and the lock portion (40) are broken, the auxiliary opening prevention means (100) for preventing the forced opening of the left and right doors (6, 7) is provided.

As shown in FIGS. 3 and 4, first, the upper ends of the left and right doors 6 and 7 are fixed so as to protrude upward in the upward direction, respectively, Left and right auxiliary protrusions 110 and 120 located behind the right protrusions 10 and 20 are formed.

The first and second auxiliary actuators 130 and 140, which are fixed to both sides of the actuator 30 and receive signals from the vehicle signal system, are formed inside the upper frame 1.

The lower ends of the actuators 131 and 141 of the first and second auxiliary actuators 130 and 140 move downward respectively when the left and right doors 6 and 7 are closed, Auxiliary locking portions 150A, 150B and 160 for locking the first and second locking portions 110 and 120 are formed.

As shown in FIG. 3, the auxiliary locking portions 150A and 150B may include a body fixed to the lower ends of the actuators 131 and 141 of the first and second auxiliary actuators 130 and 140, respectively, And left and right auxiliary latches 152A and 152B which protrude downward from one side of the bodies 151A and 151B and prevent the side surfaces of the left and right auxiliary protrusions 110 and 120 from moving, ).

As shown in FIGS. 4 and 5, the auxiliary locking portion 160 may be formed by fixing both ends of the first and second auxiliary actuators 130 and 140 to the lower ends of the actuators 131 and 141 of the first and second auxiliary actuators 130 and 140 A horizontal bar 161 extending in the longitudinal direction of the horizontal bar 161 so as to allow the locking part 40 and the left and right protrusions 10 and 20 to pass through the horizontal bar 161, And a receiving portion 162 for preventing the right auxiliary protrusions 110 and 120 from being inserted.

The operation state of the present invention having the above-described structure will now be described.

2A, when the landing screen door receives the door closing signal from the vehicle signal system, the left and right doors 6, 7 are moved in the closing direction, so that the left and right doors 6, The left and right protrusions 10 and 20 formed are also moved to be adjacent to the inner center side of the upper frame 1. [

When the left and right doors 6 and 7 are completely closed, the actuator 30 receiving the signal from the vehicle signal system moves the lock portion 40 downward through the actuator 31, The left and right protrusions 10, 20 gathered on the inner center side of the upper frame 1 are locked.

That is, when the lock portion 40 is fitted to the left and right protrusions 10 and 20 from the upper side, the left latch 42 of the lock portion 40 blocks the side surface of the left protrusion 10, The left and right doors 6 and 7 are caught by the left and right clasps 42 and 43 of the lock portion 40 so that the left and right doors 6 and 7 are engaged It will not open.

2B, when the actuator 30 receives a signal from the vehicle signal system, the actuator 30 moves the lock portion 40 upward through the actuator 31 to move the left and right protrusions 10, 20), the closed left and right doors 6, 7 are opened by receiving door open signals from the vehicle signal system.

On the other hand, when the left and right protrusions 10 and 20 and the lock portion 40 which are the main parts are broken due to the forced opening of the left and right doors 6 and 7, as shown in Figs. 3 and 4, 30, the auxiliary opening prevention means 100 prevents the forced opening of the left and right doors 6, 7 again.

More specifically, as shown in FIG. 3, when the left and right doors 6 and 7 are completely closed, the first and second auxiliary actuators 130, The first and second auxiliary actuators 130 and 140 receiving the signals receive signals from the vehicle signal system through the actuators 131 and 141, respectively, The left auxiliary latch 152A of the first auxiliary actuator 130 closes the side surface of the left auxiliary projection 110 by simultaneously moving the auxiliary locking portions 150A and 150B in the downward direction and simultaneously the second auxiliary actuator The left and right doors 6 and 7 do not open even when the door is forcibly opened, because the right auxiliary latch 152B of the right auxiliary protrusion 120 and 140 locks the side of the right auxiliary protrusion 120. [

4 and 5, when the left and right doors 6 and 7 are completely closed and the first and second auxiliary actuators 130 and 140 receive a signal from the vehicle signal system The first and second auxiliary actuators 130 and 140 move the auxiliary locking portion 160 in the downward direction through the actuators 131 and 141 to move the auxiliary locking portion 160 160 are simultaneously inserted into the left and right auxiliary protruding portions 110 and 120 and the closed both sides of the receiving portion 162 block the side surfaces of the left and right auxiliary protruding portions 110 and 120, And the right door (6, 7) are not opened even when the door is forcibly opened.

At this time, the lock portion 40 and the left and right protrusions 10 and 20 can pass through the center of the receiving portion 162 of the auxiliary locking portion 160, The locking portion 160, the locking portion 40, and the left and right protrusions 110 and 120 are not interfered.

Therefore, even if the left and right protruding portions 10, 20 and the lock portion 40 which are the main portions are broken due to the forced opening of the left and right doors 6, 7, The opening of the right door 6, 7 can be prevented.

Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims. In addition, it is a matter of course that various modifications and variations are possible without departing from the scope of the technical idea of the present invention by anyone having ordinary skill in the art.

1: upper frame 2: driving pulley
3: driven pulley 4: timing belt
5: drive motor 6: left door
7: right door 10: left protrusion
20: right protruding portion 30: actuator
31: Actuator of actuator 40:
41: body 42 left latch
43: right latch 100: auxiliary opening prevention means
110 left auxiliary protrusion 120: right auxiliary protrusion
130: first auxiliary actuator 131: actuator of the first auxiliary actuator
140: second actuator 141: actuator of the second auxiliary actuator
150A, 150B: auxiliary locking portions 151A, 151A: body
152A: Left auxiliary latch 152B: Right auxiliary latch
160: auxiliary lock portion 161: horizontal bar
162:

Claims (6)

As a safeguard for a landing screen door,
Left and right protrusions fixed to the upper ends of the left and right doors so as to protrude upward and adjacent to the inside of the upper frame when the left and right doors are closed;
An actuator fixed inside the upper frame to be positioned between the left and right protrusions to receive signals from the vehicle signal system; And
A locking part formed at the lower end of the actuator of the actuator and moving downward when the left and right doors are closed to lock the left and right protrusions so that the left and right doors are not opened; , ≪ / RTI >
And auxiliary opening prevention means formed to correspond to the upper frame and the left and right doors so as to prevent forced opening of the left and right doors against breakage of the locking portion and the left and right protrusions,
Wherein the auxiliary opening prevention means comprises:
Left and right auxiliary protrusions fixed to the upper ends of the left and right doors so as to protrude upward and located at the rear of the left and right protrusions, respectively;
First and second auxiliary actuators fixed to both sides of the actuator inside the upper frame to receive signals from the vehicle signal system; And
An auxiliary locking portion formed at each of lower ends of the actuators of the first and second auxiliary actuators and moving downward in the closed state of the left and right doors to lock the left and right auxiliary protrusions; And,
The auxiliary lock portion
A horizontal bar to which both ends of the first and second auxiliary actuators are fixed at a lower end of the actuator; And
A receiving portion penetrating the horizontal bar in a longitudinal direction of the horizontal bar so as to allow the locking portion to pass through the horizontal bar so that the left and right auxiliary protruding portions can not be inserted and moved; And a safety device for the lift screen door.
The method according to claim 1,
The locking portion
A body fixed to an actuator of the actuator; And
Left and right latches protruding downward on both sides of the body to prevent the sides of the left and right protrusions from moving; And a safety device for the lift screen door.
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KR1020130156169A 2013-12-16 2013-12-16 Safety device for platform screen door KR101525086B1 (en)

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Application Number Priority Date Filing Date Title
KR1020130156169A KR101525086B1 (en) 2013-12-16 2013-12-16 Safety device for platform screen door

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Application Number Priority Date Filing Date Title
KR1020130156169A KR101525086B1 (en) 2013-12-16 2013-12-16 Safety device for platform screen door

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101871672B1 (en) * 2017-10-31 2018-06-27 한국철도기술연구원 Platform screen door locking device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11336410A (en) * 1998-05-29 1999-12-07 Chikura Kogyo Kk Device for preventing automated door from being forcibly opened
KR20060135510A (en) * 2005-06-24 2006-12-29 나부테스코 가부시키가이샤 Manual unlocking device and platform screen door device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11336410A (en) * 1998-05-29 1999-12-07 Chikura Kogyo Kk Device for preventing automated door from being forcibly opened
KR20060135510A (en) * 2005-06-24 2006-12-29 나부테스코 가부시키가이샤 Manual unlocking device and platform screen door device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101871672B1 (en) * 2017-10-31 2018-06-27 한국철도기술연구원 Platform screen door locking device

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