JP2019210080A - Passenger conveyor - Google Patents

Abstract

To provide a passenger conveyor capable of switching between an automatic operation mode and a manual operation mode and of reducing an effort in performing at least one out of breaker operations.SOLUTION: A passenger conveyor comprises multiple steps connected to an endless step chain, a driving machine 3 to circulate the step chain, a control board 9 provided in a machine room to control the power provided by the driving machine 3 to the step chain, a manhole 11 with a small window to communicate the machine room and the outside while blocking the opening for accessing to the machine room, and a small window opening/closing member 60 to open/close the small window.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a passenger conveyor, and relates to an escalator and a moving sidewalk.

  Conventionally, there is an escalator described in Patent Document 1 as a passenger conveyor. This escalator has an opening for entering and exiting the machine room, and this opening is closed by a manhole when a person does not enter or exit the machine room.

JP-A-2018-52721

  In the escalator, the automatic operation mode during normal operation and the manual operation mode that is operated manually are switched between the pendant type portable switch plug in the insertion port provided in the control panel installed in the machine room. In general, it is executed by the operation of the operation unit of the portable switch after being inserted. In such a background, it may be necessary for an operator to enter the machine room to switch between the automatic operation mode and the manual operation mode during the maintenance and inspection work of the escalator. Expose the opening to enter the room. However, since the manhole is heavy, the removal of the manhole forces labor. And when switching between the automatic operation mode and the manual operation mode has to be performed frequently, the removal of the manhole is a heavy burden. In addition, the breaker operation section that cuts off the power supplied to the equipment in the control panel when the predetermined condition is satisfied is often installed near the lower position of the manhole. However, if the breaker falls, It is preferable that the operation for raising the value can be executed without placing a burden on the worker.

  Therefore, an object of the present invention is to provide a passenger conveyor that can reduce labor when performing at least one of switching between an automatic operation mode and a manual operation mode and a breaker operation.

  In order to solve the above problems, a passenger conveyor according to an embodiment of the present invention is provided in a machine room, a plurality of steps coupled to an endless step chain, a drive unit that circulates and moves the step chain, A control panel for controlling the power applied to the step chain by the driving machine; a manhole having a small window for closing the opening for entering and exiting the machine room and communicating the machine room with the outside; A small window opening and closing member for opening and closing the window.

  According to this invention, a small window is provided in the manhole which closes the opening part for entering / exiting a machine room. Therefore, at least one of the operation of connecting the portable switch to the connection part of the drive unit and the operation of the breaker of the power supply provided near the normal drive unit can be executed through the small window without removing the manhole. It can be. Therefore, the labor at the time of executing at least one of the switching between the automatic operation mode and the manual operation mode and the breaker operation can be significantly reduced.

  Further, in the present invention, the control panel has a portable switch connecting portion for switching between automatic operation and manual operation enabling manual operation, and when viewed from the vertical direction, the connecting portion is the small window. You may arrange | position in the position which overlaps.

  According to the said structure, when it sees from a perpendicular direction, the connection part of the portable switch in a control panel is arrange | positioned in the position which overlaps with a small window. Therefore, the portable switch can be easily approached to the control panel using the small window and can be easily connected to the control panel.

  Further, in the present invention, when the power value supplied to the device built in the control panel exceeds a reference value, the operation unit that cuts off the power supply to the device and operates the power supply or cutoff The operation unit may be disposed at a position overlapping the small window when viewed from the vertical direction.

  According to the said structure, when it sees from a perpendicular direction, the operation part of a breaker is arrange | positioned in the position which overlaps with a small window. Therefore, the worker can easily operate the breaker using the small window.

  Further, in the present invention, the manhole includes a support portion that stably supports the small window opening and closing member in a state where the upper surface of the small window opening and closing member is located on a substantially same plane as the upper surface of the manhole. The small window opening and closing member and the support portion include screw holes included in at least a part of the periphery of the small window, and are fastened to the screw holes of the small window opening and closing member and the screw holes of the support portion. You may further provide the screw member inserted.

  According to the said structure, opening / closing of a small window can be performed easily using a small window opening / closing member. Further, the small window opening / closing member is screwed to the manhole while the small window is closed. Therefore, it is possible to prevent the small window from being exposed due to the small window opening / closing member being detached when an operation of opening the small window is unnecessary during automatic operation or the like.

  In the present invention, the small window opening and closing member includes a main body portion and an integral handle, and the handle includes an attachment portion attached to the main body portion and a grip portion, and an upper surface of the small window opening and closing member. The handle is provided with a recess, and the handle can have an accommodation position where all of the handle is accommodated in the recess and an extraction position where the grip portion is located above the recess due to an upper force applied by a person. It may be possible.

  According to the said structure, a small window opening / closing member can be easily pulled up upwards from a manhole using a handle, and a small window can be opened easily.

  According to the passenger conveyor according to the present invention, it is possible to reduce labor in executing at least one of switching between the automatic operation mode and the manual operation mode and the breaker operation.

It is a model side view around the upper entrance / exit of the escalator which concerns on one Embodiment of this invention. It is a top view around the upper entrance / exit of the escalator. It is a schematic top view which shows the positional relationship of a manhole, a drive machine, a control panel, and a breaker when the manhole with which the said escalator is provided is seen from the perpendicular direction upper direction. It is a perspective view of the operation part of a portable switch. It is a top view of the small window periphery of the said manhole in the state which removed the small window opening / closing member of the said escalator. It is a front view of the T-shaped jig | tool used when pulling up the said small window opening / closing member from the said manhole. It is a top view of the small window opening and closing member of a modification.

  Embodiments according to the present invention will be described below in detail with reference to the accompanying drawings. In the following, when a plurality of embodiments and modifications are included, it is assumed from the beginning that a new embodiment is constructed by appropriately combining those characteristic portions. Further, in the following embodiments, the same reference numerals are given to the same components in the drawings, and duplicate descriptions are omitted. Further, the drawings include schematic diagrams, and the vertical, horizontal, and height dimension ratios of the respective members do not necessarily match between the different drawings. Moreover, below, although the case where a passenger conveyor is the escalator 1 is demonstrated, the passenger conveyor may be a moving sidewalk where a plurality of steps continue without a step.

  FIG. 1 is a schematic side view of the vicinity of an upper entrance / exit of an escalator 1 according to an embodiment of the present invention, and FIG. 2 is a plan view of the vicinity of the upper entrance / exit of the escalator 1. The escalator 1 moves a passenger between an upper boarding gate 2 and a lower boarding gate (not shown) having a height difference. As shown in FIG. 1, the escalator 1 includes a step 4 in which passengers ride, a step chain (not shown) to which each step 4 is connected, a drive unit 3 (see FIG. 3) that drives the step chain, and a movement A handrail driving machine (not shown) for driving the handrail 7 and a control panel 9 (see FIG. 3) for controlling the driving machine 3 and the handrail driving machine are provided.

  Step 4 has a width that allows two passengers to ride in the same step. When the escalator 1 is in the automatic operation state, the plurality of steps 4 move while maintaining a state horizontal to the ground. In step 4, the portion on the outward path side is exposed and moved from the truss 10 for passengers to ride, while the return path side moves in the truss 10.

  The step chain is provided in the truss 10 and couples a plurality of steps 4 via an appropriate shaft member (not shown) to transmit the driving force of the driving machine 3 to each step 4. One step chain is arranged on each of the left and right sides of step 4 of the escalator 1.

  The driving machine 3 is provided in the machine room 19 of the truss 10 and outputs a driving force for driving the escalator 1, and is composed of, for example, an electric motor and a reduction gear. The driving force output by the drive machine 3 is transmitted to the step chain via a drive transmission means (not shown). The moving handrail 7 is an endless member, and is a member to which a passenger attaches or grabs a hand. The moving handrail 7 moves in synchronization with the movement of step 4.

  As shown in FIGS. 1 and 2, the floor board of the upper entrance / exit 2 includes a manhole 11, a landing plate 12, and a comb-like member 13. The floor board is supported by, for example, a support member provided in the truss 10. The manhole 11 is detachable. When the manhole 11 is removed, an opening through which a person enters and exits the machine room 19 is exposed to the outside. When the manhole 11 closes the opening, the manhole 11 is attached to the support member with a decorative screw (not shown), for example. The landing plate 12 is adjacent to the end portion on the step 4 side of the manhole 11, and one end portion of the comb-like member 13 is fixed to the end portion on the step 4 side of the landing plate 12 with a fastening member 15 (see FIG. 1), for example. The As shown in FIG. 2, the comb-like member 13 is located between the skirt guards 16 on both sides in the width direction of the escalator 1.

  As shown in FIGS. 1 and 2, the comb-like member 13 includes a plate-like portion 17 and a comb portion 18. The comb portion 18 may be fixed to the lower entrance / exit side end portion of the plate-like portion 17 or may be formed integrally with the plate-like portion 17. The comb portion 18 is disposed so as to mesh with the groove of the moving step 4, and at least the lower end portion of the comb teeth of the comb portion 18 is accommodated between the grooves of the step 4.

  FIG. 3 is a schematic plan view showing the positional relationship among the manhole 11, the drive unit 3, the control panel 9, and the breaker 21 when the manhole 11 is viewed from above in the vertical direction. The driving machine 3, the control panel 9, and the breaker 21 are installed in the machine room 19, and are actually blocked by the manhole 11 and cannot be visually recognized. Therefore, in FIG. 3, those installation positions are indicated by dotted lines.

  Referring to FIG. 3, the control panel 9 includes a metal case 27 and a device 23 installed in the case 27. The breaker 21 is inserted in the middle of a power supply line from a power source (not shown) to the device 23, one end of the breaker 21 is connected to the power source, and the other end of the breaker 21 is connected to the device 23. . The breaker 21 cuts off the power supply from the power source to the device 23 when necessary.

  For example, when the power value supplied from the power source to the device 23 exceeds a predetermined reference value, the breaker 21 cuts off the power supply from the power source to the device 23. Moreover, the interruption | blocking state of the breaker 21 can also be operated manually. Specifically, when maintenance and inspection of the device 23 is performed in a state where power is not supplied to the device 23, the power supply from the power source to the device 23 can be cut off by operating the breaker 21 manually.

  As shown in FIG. 3, the control panel 9 has an insertion port 28 into which the insertion part of the portable switch 30 (see FIG. 4) is inserted. The insertion port 28 is an example of a connection part. The control panel 9 is equipped with an electric circuit including software for automatic operation and maintenance operation. The insertion port 28 is provided in the electric circuit as a connection part. When the dummy connector is inserted into the insertion port 28, automatic operation is executed. Further, when the insertion portion of the portable switch 30 is inserted into the insertion port 28 instead of the dummy connector, the maintenance operation mode is set, and the manual operation of the escalator 1 by the operation portion of the portable switch 30 can be executed.

  FIG. 4 is a perspective view of an example of the operation unit 35 of the portable switch 30. As shown in FIG. 4, the portable switch 30 is configured by a pendant switch, for example, and the operation unit 35 is connected to an insertion unit (not shown) via a cable 36. The portable switch 30 includes a RUN button 37, an UP button 38, and a DN button 39. For example, when the RUN button 37 and the UP button 38 are pressed, the motor of the drive unit 3 (see FIG. 3) is supplied with power, and the escalator 1 is raised. Further, when the finger is released from the RUN button 37 and the UP button 38, the escalator 1 stops. Further, when the RUN button 37 and the DN button 39 are pressed, the motor rotates in the direction opposite to the rotation direction of the ascending operation, and the escalator 1 performs the descending operation.

  Referring to FIG. 3 again, the manhole 11 includes a small window 50 (see FIG. 5), and the small window 50 is opened and closed by a small window opening / closing member 60. FIG. 5 is a plan view of the periphery of the small window 50 of the manhole 11 with the small window opening / closing member 60 removed. Referring to FIG. 5, manhole 11 stabilizes small window opening and closing member 60 in a state where the upper surface of small window opening and closing member (see FIG. 3) 60 is located on substantially the same plane as upper surface 51 of manhole 11. The supporting part 52 to support is provided in a part of the periphery of the small window 50. The small window 50 has a substantially rectangular shape in plan view. The support portion 52 is provided along a pair of edge portions extending substantially in parallel in the small window 50, and includes a pair of first support portion 52a and second support portion 52b.

  The small window opening / closing member 60 is a metal plate member having a rectangular shape in plan view, and the shape in plan view substantially matches the shape in plan view of the region where the small window 50 and the support portion 52 are combined. The size in view is slightly smaller than the size in plan view of the region. Further, the support portion 52 is connected to the upper surface 51 through the side wall 53, and the difference in height between the upper surface 51 and the upper surface 58 of the support portion 52, that is, the height of the side wall 53 is the thickness of the small window opening and closing member 60. Is almost identical. As a result, the small window opening and closing member 60 is fitted in a region where the small window 50 and the support portion 52 are combined in a plan view with the bottom surface in contact with the pair of first and second support portions 52a and 52b. Include.

  As shown in FIG. 5, the support portion 52 has a screw hole 71 that opens upward. The small window opening / closing member 60 also has a screw hole (not shown) that overlaps with the screw hole 71 and penetrates the small window opening / closing member 60 when viewed from above in the vertical direction with the small window 50 closed. Referring to FIG. 3, with the small window opening and closing member 60 closing the small window 50, the shaft portion of the decorative screw 80 is tightened into the screw hole and screw hole 71 of the small window opening and closing member 60 from above. Thus, the small window opening / closing member 60 is fixed to the manhole 11, and the small window opening / closing member 60 cannot be detached from the manhole 11.

  The small window 50 is opened by the following procedure, for example. First, the decorative screw 80 is removed from the manhole 11 and the small window opening / closing member 60 using a screwdriver or the like. Next, the small window opening / closing member 60 is pulled up from the manhole 11 using a T-shaped jig 90 whose front view is shown in FIG. Specifically, as shown in FIG. 6, the jig 90 has a handle 91 extending in one direction and a shaft portion 93, and the shaft portion 93 extends from a central portion in the extending direction of the handle 91. It extends in a direction substantially orthogonal to the direction. The shaft portion 93 is provided with a male screw 92. After tightening the male screw 92 of the shaft portion 93 into the screw hole of the small window opening / closing member 60 exposed by removing the decorative screw 80, the small window opening / closing member 60 can be lifted from the manhole 11 by lifting the handle 91. It can be removed from the manhole 11. Referring to FIG. 3 again, the insertion port 28 is disposed at a position overlapping the small window 50 when viewed from the vertical direction. Further, when viewed from the vertical direction, the breaker 21 is disposed at a position overlapping the small window 50, and as a result, the operation portion of the breaker 21 is also disposed at a position overlapping the small window 50.

  As is clear from the above description, the escalator 1 includes a plurality of steps 4 connected to an endless step chain and a drive unit 3 that circulates and moves the step chain. Further, the escalator 1 is provided in the machine room 19 and closes the control panel 9 that controls the power that the driving machine 3 applies to the step chain, and the opening for entering and exiting the machine room 19. A manhole 11 having a small window 50 that communicates with the outside, and a small window opening and closing member 60 that opens and closes the small window 50 are provided.

  Therefore, since the manhole 11 is provided with a small window, at least one of the operation of inserting the portable switch 30 into the insertion port of the driving machine 3 and the operation of operating the breaker 21 without removing the manhole 11 which is a heavy object. One can be made executable through the small window 50. Therefore, the labor at the time of executing at least one of the switching between the automatic operation mode and the manual operation mode and the breaker operation can be significantly reduced.

  Further, the control panel 9 has an insertion port 28 into which an insertion portion of the portable switch 30 for switching between automatic operation and manual operation enabling manual operation is inserted, and when viewed from the vertical direction, the insertion port 28 may be arranged at a position overlapping the small window 50.

  According to the above configuration, the insertion port 28 of the portable switch 30 in the control panel 9 overlaps the small window 50 when viewed from the vertical direction. Therefore, the portable switch 30 can be easily approached to the control panel 9 using the small window 50 and can be easily connected to the control panel 9.

  Further, the escalator 1 includes a breaker 21 that cuts off the supply of power to the device 23 when the power value supplied to the device 23 built in the control panel 9 exceeds a reference value. An operation unit for operating the supply or shut-off. And the operation part may be arrange | positioned in the position which overlaps with the small window 50, when it sees from a perpendicular direction.

  According to this configuration, the operation unit of the breaker 21 overlaps the small window 50 when viewed from the vertical direction. Therefore, the operator can easily operate the breaker 21 using the small window 50.

  In addition, the manhole 11 includes a supporting portion 52 that stably supports the small window opening and closing member 60 in a state where the upper surface of the small window opening and closing member 60 is located on the same plane as the upper surface 51 of the manhole 11. It may be included in at least a part of the periphery of. The small window opening / closing member 60 and the support portion 52 have screw holes 71, and further include decorative screws 80 that are tightened into the screw holes of the small window opening / closing member 60 and the screw holes 71 of the support portion 52. Also good.

  According to this configuration, the small window 50 can be easily opened and closed using the small window opening and closing member 60. Further, the small window opening / closing member 60 is screwed to the manhole 11 in a state where the small window 50 is closed. Therefore, it is possible to prevent the small window 50 from being exposed due to the small window opening / closing member 60 being detached when an operation for opening the small window 50 is unnecessary during automatic operation or the like.

  In addition, this invention is not limited to the said embodiment and its modification, A various improvement and change are possible in the matter described in the claim of this application, and its equivalent range.

  For example, in the above embodiment, a case has been described in which both the insertion port 28 of the portable switch 30 and the operation unit of the breaker 21 in the control panel 9 overlap with the small window 50 when viewed from the upper side in the vertical direction. However, when viewed from above in the vertical direction, one of the connection part of the portable switch and the operation part of the breaker on the control panel does not have to overlap the small window. Alternatively, when viewed from above in the vertical direction, both the connection part of the portable switch and the operation part of the breaker in the control panel do not have to overlap the small window. In short, it suffices that a person can access at least one of the connection part of the portable switch and the operation part of the breaker in the control panel through a small window. And at least one of the connection part of the portable switch in a control panel and the operation part of a breaker should just be installed in the circumference | surroundings of the small window which a person can access in a small window.

  When viewed from the vertical direction, when both the connection part of the portable switch and the operation part of the breaker do not overlap the small window, it is a plan perspective view when viewed from the vertical direction (assuming that the inside of the machine room is visible) A plan view of the portable switch, the connection part of the portable switch, and the operation part of the breaker on the horizontal plane), and at least one of the connection part of the portable switch and the operation part of the breaker, and the small window Is preferably 30 cm or less, more preferably 20 cm or less, and most preferably 10 cm or less.

  Further, the case where the landing plate 12 exists between the manhole 11 and the comb-like member 13 on the floor of the upper entrance 2 is described. However, the floor of the entrance / exit does not have to have a landing plate, and the manhole may be disposed adjacent to the comb-like member.

  The case where the manhole 11 including the small window 50 is included in the floor of the upper entrance 2 is described. However, the manhole including the small window may be included in the floor of the lower entrance / exit, and at least one of the control panel and the breaker may be installed in the lower machine room.

  Moreover, the case where the support part 52 was provided in a part around the small window 50 in the manhole 11 was demonstrated. However, the support portion may be provided around the small window in the manhole so as to surround the small window over the entire circumference.

  Further, the case where the small window opening and closing member 60 and the support portion 52 have the screw holes 71 and the decorative screws 80 that are tightened into the screw holes of the small window opening and closing member and the screw holes 71 of the support portion 52 will be described. did. However, the small window opening and closing member and the support portion do not have to have screw holes. For example, at least one of embedding and fixing the first magnet below the small window opening / closing member and embedding and fixing the second magnet above the support portion may be realized. Then, the lower surface of the metal small window opening / closing member may be fixed to the upper surface of the metal small window opening / closing member with a magnetic force. In this case, the small window opening / closing member may be pulled away from the manhole by using a magnet that generates a magnetic force stronger than the magnetic force between the upper surface of the small window opening / closing member. Alternatively, the magnet may not be embedded and fixed in the small window opening / closing member or the support part, and a part of the lower surface of the small window opening / closing member may be simply placed on the upper surface of the support part by gravity. And you may remove a small window opening / closing member from a manhole by pulling up a metal small window opening / closing member from a support part by using a magnet.

  The small window opening / closing member may be separated from the manhole using a handle provided on the small window opening / closing member. Specifically, as shown in FIG. 7, that is, a plan view of a small window opening / closing member 160 of the modified example, the small window opening / closing member 160 has a main body portion 161 and a handle 162, and the main body portion 161 has a concave portion 163 on the upper side. May be. The handle 162 may have a shaft portion 165 as an attachment portion and a substantially U-shaped handle main body 167 configured integrally with the shaft portion 165, and the shaft portion 165 rotates to the main body portion 161. You may attach freely. The handle main body 167 includes a pair of column portions 168a and 168b arranged substantially in parallel, and a grip portion 169 that connects the ends of the column portions 168a and 168b opposite to the shaft portion 165 side. Also good. Then, the handle 162 can take an accommodation position where all of the handle 162 is accommodated in the recess 163 and an extraction position where the grip portion 169 is located above the recess 163 due to an upper force applied by a person. It may be. According to this modification, the small window opening / closing member 160 can be easily lifted upward from the manhole using the handle 162, and the small window can be easily opened.

  1 escalator, 3 drive machine, 4 steps, 9 control panel, 11 manhole, 19 machine room, 21 breaker, 23 equipment, 28 outlet, 30 portable switch, 50 small window, 51 upper surface of manhole, 52 support part, 60 , 160 Small window opening and closing member, 71 Screw hole provided in the support portion, 80 decorative screw, 161 body portion, 162 handle, 163 recess, 169 gripping portion.

Claims (5)

A plurality of steps connected to an endless step chain;
A drive for circulating the step chain;
A control panel that is provided in a machine room and that controls the power that the drive device applies to the step chain;
A manhole having a small window for closing the opening for entering and exiting the machine room and communicating the machine room with the outside;
A small window opening and closing member for opening and closing the small window;
A passenger conveyor comprising: The control panel has a portable switch connection for switching between automatic operation and manual operation that allows manual operation,
The passenger conveyor according to claim 1, wherein the connection portion is disposed at a position overlapping the small window when viewed from the vertical direction. When a power value supplied to a device built in the control panel exceeds a reference value, the power supply to the device is cut off, and a breaker having an operation unit for operating the power supply or cutoff is provided.
The passenger conveyor according to claim 1 or 2, wherein the operation unit is disposed at a position overlapping the small window when viewed from the vertical direction. The manhole has a support portion that stably supports the small window opening and closing member in a state where the upper surface of the small window opening and closing member is positioned on a substantially same plane as the upper surface of the manhole. Included in some
The small window opening and closing member and the support portion have screw holes,
The passenger conveyor according to any one of claims 1 to 3, further comprising a screw member tightened into the screw hole of the small window opening and closing member and the screw hole of the support portion. The small window opening and closing member has a main body part and an integral handle, and the handle includes an attachment part attached to the main body part, and a grip part,
A recess is provided on the upper surface of the small window opening and closing member,
The handle is capable of taking an accommodation position where all of the handle is accommodated in the recess, and an extraction position where the grip portion is located above the recess due to an upper force applied by a person. The passenger conveyor according to any one of claims 1 to 4.

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