JP2019043710A - Entry prevention device for passenger conveyor - Google Patents

Abstract

To provide an entry prevention device for a passenger conveyor, which is able to prevent, in a simple configuration, entry to a passenger conveyor from the exit thereof when the passenger conveyor is stopped.SOLUTION: An entry prevention device for a passenger conveyor comprises: an entry prevention body provided on an exit side of the passenger conveyor; a load application body that applies load to the entry prevention body such that the entry prevention body is disposed in a position where the exit is closed; and a transmission mechanism provided on the exit side of the passenger conveyor and moves the entry prevention body by following movement of a handrail of the passenger conveyor against the load, applied by the load application body, such that the entry prevention body is disposed in the position where the exit is opened.SELECTED DRAWING: Figure 2

Description

  The present invention relates to an entrance preventing device for a passenger conveyor.

  Patent Document 1 discloses an entrance preventing device for a passenger conveyor. According to the entry prevention device, the user can be prevented from entering the passenger conveyor from the exit of the passenger conveyor.

JP, 2006-193241, A

  However, in the entry prevention device described in Patent Document 1, it is necessary to provide a restriction fence on the side of the downhole. This requires a complex mechanism to prevent the user from entering the passenger conveyor from the exit of the passenger conveyor.

  This invention was made in order to solve the above-mentioned subject. An object of the present invention is to provide an entry prevention device for a passenger conveyor that can prevent a user from entering the passenger conveyor from the exit of the passenger conveyor when the passenger conveyor is stopped with a simple configuration.

  The entry prevention device of the passenger conveyor according to the present invention includes the entry prevention body provided on the side of the exit of the passenger conveyor, and the entry prevention body such that the entry prevention body is disposed at a position closing the exit. A load adding body for applying a load, and a load adding body provided on the side of the outlet of the passenger conveyor, the load preventing body being disposed at a position for opening the outlet And a transmission mechanism for moving the entry preventing body following the movement of the handrail of the passenger conveyor.

  According to the present invention, when the handrail is stopped, the entry preventing body is disposed at a position at which the landing is closed. When the handrail is moving, the entry preventing body is disposed at a position that follows the movement of the handrail and opens the landing. Therefore, it is possible to prevent the user from entering the passenger conveyor from the exit of the passenger conveyor when the passenger conveyor is stopped with a simple configuration.

BRIEF DESCRIPTION OF THE DRAWINGS It is a block diagram of the passenger conveyor to which the entry prevention apparatus of the passenger conveyor in Embodiment 1 of this invention is applied. It is a front view of the principal part of the approach prevention device of the passenger conveyor in Embodiment 1 of this invention. It is a side view of the principal part of the approach prevention device of the passenger conveyor in Embodiment 1 of this invention. It is a side view of the principal part of the approach prevention device of the passenger conveyor in Embodiment 1 of this invention. It is a top view of the principal part of the approach prevention device of the passenger conveyor in Embodiment 1 of this invention.

  An embodiment of the present invention will be described with reference to the attached drawings. In the drawings, the same or corresponding parts are denoted by the same reference numerals. The overlapping description of the relevant parts is simplified or omitted as appropriate.

Embodiment 1
FIG. 1 is a block diagram of a passenger conveyor to which an approach prevention device for a passenger conveyor according to a first embodiment of the present invention is applied.

  The passenger conveyor of FIG. 1 is an escalator. For example, a passenger conveyor straddles an adjacent floor. The lower entrance 1 is provided on the lower floor of the adjacent floors. The upper entrance 2 is provided on the upper floor of the adjacent floors.

  A plurality of steps 3 are provided between the lower entrance 1 and the upper entrance 2. The plurality of steps 3 are provided endlessly.

  One of the pair of skirt guards 4 is adjacent to one side of the plurality of steps 3. The other of the pair of skirt guards 4 is adjacent to the other side of the plurality of steps 3. One of the pair of balustrades 5 is fixed to the upper part of one of the pair of skirt guards 4. The other of the pair of balustrades 5 is fixed to the other top of the pair of skirt guards 4.

  One of the pair of guide rails 6 is provided at the top of one of the pair of balustrades 5. The other of the pair of guide rails 6 is provided on the other top of the pair of balustrades 5. One of the pair of handrails 7 is formed endlessly. One of the pair of handrails 7 is guided by one of the pair of guide rails 6. The other of the pair of handrails 7 is formed endlessly. The other of the pair of handrails 7 is guided by the other of the pair of guide rails 6.

  The lower user detection sensor 8 is provided on the lower entrance 1 side. The lower user detection sensor 8 is provided so as to detect a user passing through the lower entrance 1. The upper user detection sensor 9 is provided on the upper entrance 2 side. The upper user detection sensor 9 is provided to detect a user passing through the upper entrance 2.

  The passenger conveyor comprises a plurality of entry prevention devices.

  For example, the plurality of entry prevention devices are a pair of lower entry prevention devices 10 and a pair of upper entry prevention devices 11.

  One of the pair of lower entry preventing devices 10 is provided on one side of the lower entrance 1. The other of the pair of lower entry preventing devices 10 is provided on the other side of the lower entrance 1.

  One of the pair of upper approach preventing devices 11 is provided on one side of the upper entrance 2. The other of the pair of upper entry prevention devices 11 is provided on the other side of the upper entrance 2.

  When the setting of the passenger conveyor is the setting for the upward operation, the lower entrance 1 becomes the entrance. The upper entrance 2 is the exit. In this case, the pair of lower entry prevention devices 10 are removed from the lower entrance 1 side.

  When the passenger conveyor has not started the ascending operation, the pair of upper approach preventing devices 11 close the upper entrance 2. When the lower user detection sensor 8 detects a user, the passenger conveyor starts the ascent operation. In this case, the plurality of steps 3 and the pair of handrails 7 move in synchronization with each other. At this time, the pair of upper entry prevention devices 11 open the upper entrance 2 following the movement of the handrail 7.

  When the setting of the passenger conveyor is the setting for the descent operation, the upper entrance 2 is the entrance. The lower entrance 1 is the exit. In this case, the pair of upper entry prevention devices 11 is removed from the upper entrance 2 side.

  When the passenger conveyor has not started the descent operation, the pair of lower entry prevention devices 10 close the lower entrance 1. When the upper user detection sensor 9 detects the user, the passenger conveyor starts the descent operation. In this case, the plurality of steps 3 and the pair of handrails 7 move in synchronization with each other. At this time, the pair of lower entry preventing devices 10 open the lower entrance 1 following the movement of the handrail 7.

Next, the lower entry prevention device 10 and the upper entry prevention device 11 will be described with reference to FIG.
FIG. 2 is a front view of the main part of the entry prevention device of the passenger conveyor according to Embodiment 1 of the present invention.

  As shown in FIG. 2, the lower approach preventing device 10 includes an approach preventing body 12, a load bearing body 13, a transmission mechanism 14, and a stop body 15.

  The entry prevention body 12 is formed in the shape of a fence. The entry prevention body 12 displays information indicating that the entry can not be made toward the exit side of the passenger conveyor. For example, the entry prevention body 12 displays the character information of "no entry". For example, the entry prevention body 12 displays graphic information indicating no entry. Note that character information "EXIT" may be displayed. Character information of "down" may be displayed.

  For example, the load bearing body 13 is a spring. For example, the load bearing body 13 is a mainspring. The load load body 13 applies a load to the entry prevention body 12 so that the entry prevention body 12 is disposed at a position where the longitudinal direction is in the width direction of the passenger conveyor and the exit is closed.

  The transmission mechanism 14 moves the handrail 7 against the load applied to the load application body such that the entry prevention body 12 is disposed at the position where the longitudinal direction is the height direction of the passenger conveyor and the downhole is opened. Following the movement, the entry prevention body 12 is moved.

  The stop body 15 stops the rotation of the entry prevention body 12 by contacting the entry prevention body 12 when the entry prevention body 12 rotates from a position where the entry prevention body 12 closes the exit port to a position where the exit port is opened.

  Although not shown, the upper approach preventive device 11 also includes the approach preventive body 12 of the lower approach preventive device 10, the load bearing body 13, the transmission mechanism 14 and the stop body 15, and the load preventive of the lower approach preventive device 10. The body 13, the transmission mechanism 14 and the stop body 15 are provided.

Next, the transmission mechanism 14 will be described with reference to FIG.
FIG. 3 is a side view of the main part of the entrance preventing device of the passenger conveyor according to the first embodiment of the present invention.

  As shown in FIG. 3, the transmission mechanism 14 includes a drive roller 16, a transmission roller 17, a belt 18, and a rotation shaft 19.

  The outer peripheral surface of the drive roller 16 contacts the outer peripheral portion of the handrail 7 in the vicinity of the skirt guard 4. The drive roller 16 is rotatably provided.

  The transmission roller 17 is adjacent to one end of the entry prevention body 12 above and outside the handrail 7. The transmission roller 17 is rotatably provided.

  The belt 18 is formed endlessly. The belt 18 is wound around the drive roller 16 and the transmission roller 17.

  The rotating shaft 19 is provided at one end of the entry prevention body 12 above and outside the handrail 7. The rotating shaft 19 meshes with the transmission roller 17. The rotating shaft 19 is rotatably provided.

  In the transmission mechanism 14, the drive roller 16 rotates following the movement of the handrail 7. The belt 18 moves following the rotation of the drive roller 16. The transfer roller 17 rotates following the movement of the belt 18. The rotation shaft 19 rotates following the rotation of the transmission roller 17.

  At this time, the rotary shaft 19 is located at a position where the entrance preventing body 12 is located at the position where the longitudinal direction is the height direction of the passenger conveyor and the downhole is opened. Rotate 12

Next, the transmission roller 17 will be described with reference to FIG.
FIG. 4 is a side view of the main part of the entrance preventing device of the passenger conveyor according to the first embodiment of the present invention.

  In FIG. 4, the transmission roller 17 is provided so as to idle when the stop body 15 stops the rotation of the entry prevention body 12.

  Specifically, the transmission roller 17 includes a shaft portion 17a, a cylindrical portion 17b, a plurality of braking bodies 17c, and a plurality of elastic bodies 17d.

  The shaft portion 17a is formed in a rod shape. The cylindrical portion 17 b is disposed so as to surround the shaft portion 17 a. The plurality of braking bodies 17c are evenly arranged along the inner circumferential surface of the cylindrical portion 17b. Each of the plurality of elastic bodies 17d is provided between the shaft portion 17a and each of the plurality of braking bodies 17c. Each of the plurality of elastic bodies 17 d presses the plurality of braking bodies 17 c against the cylindrical portion 17 b.

  When the stop body 15 does not stop the rotation of the entry prevention body 12, the shaft portion 17 a rotates following the movement of the belt 18. The cylindrical portion 17b is held so as not to rotate with respect to the shaft portion 17a by the frictional force of the plurality of braking bodies 17c. As a result, the cylindrical portion 17b rotates following the rotation of the shaft portion 17a.

  When the stop body 15 stops the rotation of the entry prevention body 12, the shaft portion 17 a rotates following the movement of the belt 18. The cylindrical part 17b is not hold | maintained so that it may not rotate with respect to the axial part 17a by the frictional force of several damping | braking body 17c. As a result, the cylindrical portion 17b does not rotate following the rotation of the shaft portion 17a.

Next, the rotating shaft 19 will be described with reference to FIG.
FIG. 5 is a plan view of the main part of the entry preventing device of the passenger conveyor according to the first embodiment of the present invention.

  In FIG. 5, the rotation shaft 19 meshes in a direction in which the entry prevention body 12 moves from the position where the entrance is closed to the position where the entrance is opened. The rotating shaft 19 idles in the direction in which it moves from the position where the anti-entry body 12 opens the downhole to the position where the downhole is closed.

  As a result, when the handrail 7 stops, the entry prevention body 12 is disposed at a position where the longitudinal direction is made the width direction of the passenger conveyor by the load from the load bearing body 13 and the downhole is closed.

  According to the first embodiment described above, when the handrail 7 is at a stop, the entry preventing body 12 is disposed at a position at which the downhole is closed. When the handrail 7 is moving, the entry prevention body 12 is disposed at a position that follows the movement of the handrail 7 and opens the landing. Therefore, when the passenger conveyor is at a stop, it is possible to prevent the passenger conveyor from entering the passenger conveyor from the outlet of the passenger conveyor with a simple configuration.

  Specifically, the entry prevention body 12 is disposed at a position that follows the movement of the handrail 7 via the transmission mechanism 14 and opens the landing. For this reason, it is possible to open the landing of the passenger conveyor when the passenger conveyor is in operation without requiring electric power such as a motor.

  In addition, the stop body 15 stops the rotation of the entry prevention body 12 when the entry prevention body 12 is rotated to the position where the downhole is opened. The transmission roller 17 idles when the stop body 15 stops the rotation of the entry prevention body 12. The rotation shaft 19 meshes in a direction in which it moves from a position where the entry prevention body 12 blocks the landing, to a position where the landing is opened. The rotating shaft 19 idles in the direction in which it moves from the position where the anti-entry body 12 opens the downhole to the position where the downhole is closed. For this reason, when the passenger conveyor stops, the entrance can be closed by the entry prevention body 12.

  In addition, the entry prevention body 12 displays information indicating that the entry can not be made toward the exit side of the passenger conveyor. Therefore, when the passenger conveyor is at a stop, it is possible to more surely visually notify the user that the vehicle can not enter.

  1 lower entrance, 2 upper entrance, 3 steps, 4 skirt guards, 5 balustrades, 6 guide rails, 7 handrails, 8 lower user detection sensors, 9 upper user detection sensors, 10 lower entry prevention devices, 11 upper approach Prevention device, 12 entry prevention body, 13 load load body, 14 transmission mechanism, 15 stop body, 16 drive roller, 17 transmission roller, 17a shaft portion, 17b cylindrical portion, 17c brake body, 17d elastic body, 18 belt, 19 rotation axis

Claims (4)

An entry guard provided on the side of the exit of the passenger conveyor,
A load adding body for applying a load to the entry preventing body such that the entry preventing body is disposed at a position closing the downhole;
The handrail of the passenger conveyor is moved against the load applied to the load adding body so as to be provided on the side of the landing of the passenger conveyor and the entry preventing body is disposed at the position where the landing is opened. A transfer mechanism for moving the entry preventing body in accordance with
Ingress prevention device of passenger conveyor equipped with. The entry prevention body is formed in the shape of a fence,
The load adding body applies a load to the entry preventing body such that the entry preventing body is disposed at a position where the longitudinal direction is in the width direction of the passenger conveyor and the closing port is closed.
The transmission mechanism is
A drive roller in contact with the outer periphery of the handrail;
A transfer roller adjacent to one end of the entry block;
A belt wound around the drive roller and the transmission roller;
Provided at one end of the entry preventing body outside the handrail, the drive roller rotates following the movement of the handrail, the belt moves following the movement of the drive roller, and the transmission roller When the transfer roller is rotated following the movement of the belt, the entry preventing body is disposed at the position where the longitudinal direction is the height direction of the passenger conveyor and the release opening is open following the rotation of the transfer roller. A rotating shaft for rotating the anti-intrusion body around one end of the anti-intrusion body as an axis;
The entrance prevention device of the passenger conveyor according to claim 1 comprising: A stop body for stopping the rotation of the entry preventing body when the entry preventing body is rotated from a position at which the entry port is closed to a position at which the exit port is opened;
Equipped with
The transmission roller idles when the stop body stops the rotation of the entry preventing body.
The rotation shaft meshes in a direction in which the entry preventing body moves from a position at which the entry prevention port closes the opening to a position at which the entry opening is opened, and the entry prevention body closes the exit from the position where the entry opening opens. 3. The device as claimed in claim 2, wherein the device moves freely in the direction of movement to the position.   The entry prevention device of the passenger conveyor according to any one of claims 1 to 3, wherein the entry prevention body displays information indicating that the entry prevention can not enter toward the exit side of the passenger conveyor.

Images