JP6668992B2 - Passenger conveyor drive protection cover and drive protection cover opening and closing method - Google Patents

Description

  The present invention relates to a drive protection cover for a passenger conveyor and a method for opening and closing the drive protection cover.

  Patent Literature 1 below describes a passenger conveyor in which a drive device is disposed on an inclined portion of a truss. The passenger conveyor as described above, for example, when installed outdoors, includes a cover for protecting the drive device from rainwater or the like.

JP-A-2002-160881

  At the time of maintenance work of the drive device as described above, it takes time to remove and attach the cover. Further, since the removed cover does not have a place near the driving device, it needs to be transported to, for example, an entrance of a passenger conveyor. For this reason, the work efficiency in the maintenance work of the drive device of the passenger conveyor is not good.

  The present invention has been made to solve the above problems. An object of the present invention is to provide a drive protection cover for a passenger conveyor and a drive protection cover opening / closing method capable of improving the work efficiency in the maintenance work of the drive.

  The driving device protection cover for the passenger conveyor according to the present invention is disposed above the driving device and below the step in the space between the driving device and the step of the passenger conveyor, and moves along the moving direction of the step in the space. With a possible shield.

  The method for opening and closing a driving device protection cover of a passenger conveyor according to the present invention includes connecting a shielding portion of a driving device protection cover disposed above the driving device and below the step in a space between the driving device and the step of the passenger conveyor. Connecting the shield to the step axis in the space by moving the step in one of the movable directions in the space, and moving the step in the one direction in the space in the other direction. Moving the shield in the other direction in the space by moving the step.

  In these inventions, the shielding part is movable in a space between the driving device of the passenger conveyor and the steps. Therefore, according to these inventions, it is possible to improve work efficiency in maintenance work of the drive device.

It is a perspective view showing an example of an escalator. It is a side view which shows an example of the structure of an escalator typically. It is a perspective view which shows the structure around the step of an escalator. FIG. 2 is a first side view showing a first example of a drive device protection cover according to Embodiment 1 of the present invention. FIG. 2 is a second side view showing a first example of the drive device protection cover according to Embodiment 1 of the present invention. FIG. 3 is a first side view showing a second example of the drive device protection cover according to Embodiment 1 of the present invention. FIG. 5 is a second side view showing a second example of the drive device protection cover according to the first embodiment of the present invention. FIG. 5 is a first side view showing a third example of the drive device protection cover according to Embodiment 1 of the present invention. FIG. 5 is a second side view showing a third example of the drive device protection cover according to the first embodiment of the present invention. 4 is a flowchart illustrating an example of a method of opening and closing the drive device protection cover according to Embodiment 1 of the present invention.

  The present invention will be described in detail with reference to the accompanying drawings. In each drawing, the same or corresponding parts are denoted by the same reference characters. Duplicate descriptions will be simplified or omitted as appropriate.

Embodiment 1 FIG.
In the first embodiment, an escalator will be specifically described as an example of a passenger conveyor. Description of other passenger conveyors such as a moving sidewalk is omitted.

  FIG. 1 is a perspective view showing an example of the escalator. FIG. 2 is a side view schematically illustrating an example of the structure of the escalator.

  As shown in FIGS. 1 and 2, the escalator includes a truss 1, an upper entrance 2, a lower entrance 3, a control panel 4, and a driving device 5. The truss 1 is bridged between the upper floor and the lower floor. The upper entrance 2 is provided on the upper floor. The lower entrance 3 is provided on the lower floor. The control panel 4 is provided on the upper floor side inside the truss 1. The drive device 5 is disposed inside the truss 1 below the upper entrance 2 and above the lower entrance 3. That is, the driving device 5 is disposed on the inclined portion of the truss 1.

  As shown in FIGS. 1 and 2, the escalator includes a step 6, a handrail 7, and a step link 8. The handrail 7 and the step link 8 are formed endless. The handrail 7 and the step link 8 are provided on the left and right sides of the step 6 along the direction in which the steps 6 are arranged. The plurality of steps 6 are connected by step links 8 so as to be arranged between the lower floor and the upper floor. The step 6 and the handrail 7 are circulated between the upper floor and the lower floor by the operation of the driving device 5. Note that a step chain instead of the step link 8 may be used as a connecting member that connects the plurality of steps 6.

  As shown in FIG. 2, the escalator includes a drive device protection cover 9. The drive protection cover 9 is provided in the space between the drive 5 and the step 6 inside the truss 1. The drive protection cover 9 is arranged above the drive 5 and below the step 6. The drive protection cover 9 is provided so as to cover a part or the whole of the drive 5 from above. The drive protection cover 9 is formed of, for example, a material having waterproofness. The drive protection cover 9 is made of, for example, metal or synthetic resin. When there are a plurality of drive devices 5, the drive device protection cover 9 is provided for each drive device 5.

  FIG. 3 is a perspective view showing a structure around a step of the escalator.

  As shown in FIG. 3, the escalator includes a plurality of step shafts 10. One end of the step shaft 10 is attached to one step link 8. The other end of the step shaft 10 is attached to the other step link 8. Each step 6 is attached to each step shaft 10. That is, the step 6 is supported by the step link 8 via the corresponding step shaft 10.

  FIG. 4 is a first side view showing a first example of the drive protection cover according to the first embodiment.

  The drive protection cover 9 shown in FIG. 4 includes a plurality of shields 9a. The shield 9a shown in FIG. 4 is formed as a plate-like member. The length of the shield 9a shown in FIG. 4 along the moving direction of the step 6 is shorter than the distance between the driving device 5 and the step 6. An end of the shield 9a shown in FIG. 4 is connected to an end of another shield 9a via a connection 9b. The connection part 9b is a component such as a hinge, for example. The shield 9a connected to the connection 9b is rotatable around the connection 9b.

  The shield 9a shown in FIG. 4 is provided so as to be movable along the moving direction of step 6. The plurality of shielding portions 9a move, for example, by being pulled in a direction in which the terminal shielding portion 9a located at the uppermost or lowermost position approaches the other terminal shielding portion 9a. The lower one of the connection parts 9b connected to the other end shield part 9a is fixed inside the truss 1, for example. For example, when the step 6 moves while the end shielding portion 9a is connected to the step shaft 10 via the connecting tool 11, it is pulled in the traveling direction of the step 6. The connecting tool 11 is connected to the step shaft 10 by a maintenance worker or the like, for example, with at least one step 6 located near the driving device 5 removed.

  FIG. 5 is a second side view showing a first example of the drive device protection cover according to the first embodiment.

  FIG. 5 shows a state in which the step 6 is moved in a state where the shielding portion 9a shown in FIG. 4 is connected to the step shaft 10 via the connecting tool 11. Among the plurality of connecting portions 9b shown in FIG. 5, the odd-numbered connecting portions 9b are bent in the direction opposite to the even-numbered connecting portions 9b in the moving direction of Step 6. In other words, the plurality of shielding portions 9a shown in FIG. 5 are moved by alternately bending the plurality of connection portions 9b with the movement of step 6. As described above, in the first example of the driving device protection cover 9, the driving device 5 is exposed upward by moving the plurality of shielding portions 9a so as to be folded along with the movement in step 6.

  FIG. 6 is a first side view showing a second example of the drive protection cover according to the first embodiment.

  The drive protection cover 9 shown in FIG. 6 includes a plurality of shields 9a. The shielding part 9a shown in FIG. 6 is formed as a plate-like member. One surface of the shield 9a shown in FIG. 6 overlaps at least a part of the other surface of the other shield 9a. The shield 9a shown in FIG. 6 is arranged at a position shifted from the other adjacent shield 9a in the moving direction of step 6. The shield 9a shown in FIG. 6 is attached to, for example, the other shield 9a so that the shield 9a can relatively move within a certain range with respect to the other adjacent shield 9a.

  The shield 9a shown in FIG. 6 is provided so as to be movable along the moving direction of step 6. The plurality of shielding portions 9a move, for example, by being pulled in a direction in which the terminal shielding portion 9a located at the uppermost or lowermost position approaches the other terminal shielding portion 9a. The other end shielding portion 9a is fixed inside the truss 1, for example. For example, when the step 6 moves while the end shielding portion 9a is connected to the step shaft 10 via the connecting tool 11, it is pulled in the traveling direction of the step 6. The connecting tool 11 is connected to the step shaft 10 by a maintenance worker or the like, for example, with at least one step 6 located near the driving device 5 removed.

  FIG. 7 is a second side view showing a second example of the drive device protection cover according to the first embodiment.

  FIG. 7 shows a state in which the step 6 is moved in a state where the shielding portion 9a shown in FIG. 6 is connected to the step shaft 10 via the connecting tool 11. The shield 9a shown in FIG. 7 is moved so as to slide on the surface of another adjacent shield 9a with the movement of Step 6. As described above, in the second example of the drive device protection cover 9, the drive device 5 is exposed upward by sliding so that the plurality of shielding portions 9a overlap with the movement of step 6.

  FIG. 8 is a first side view showing a third example of the drive protection cover according to the first embodiment.

  The drive protection cover 9 shown in FIG. 8 includes a shield 9a. The shielding part 9a shown in FIG. 8 is formed in a sheet shape. The shield 9 a shown in FIG. 8 has one end in the moving direction of the step 6 fixed to the winding shaft 12. The winding shaft 12 is provided, for example, inside the truss 1 in parallel with the step shaft 10. The winding shaft 12 is provided rotatably.

  The shield 9a shown in FIG. 8 is provided so as to be movable along the moving direction of step 6. The shielding portion 9a moves, for example, by being pulled in a direction in which the end portion approaches the winding shaft 12. For example, the shield portion 9a is pulled in the traveling direction of the step 6 by moving the step 6 in a state where the end portion is connected to the step shaft 10 via the connecting tool 11. The connecting tool 11 is connected to the step shaft 10 by a maintenance worker or the like, for example, with at least one step 6 located near the driving device 5 removed.

  FIG. 9 is a second side view showing a third example of the drive device protection cover according to the first embodiment.

  FIG. 9 shows a state in which the step 6 is moved in a state where the shielding portion 9a shown in FIG. 8 is connected to the step shaft 10 via the connecting tool 11. The shield 9a shown in FIG. 9 is moved by being taken up by the take-up shaft 12 along with the movement of Step 6. As described above, in the third example of the driving device protection cover 9, the driving device 5 is exposed upward by winding the sheet-shaped shielding portion 9a along with the movement of Step 6.

  In the third example of the drive protection cover 9, the connection tool 11 may be connected to a part other than the shielding part 9a. For example, when a mechanism (not shown) for rotating the take-up shaft 12 is provided inside the truss 1, the connecting tool 11 may be connected to components constituting the mechanism.

  In the first to third examples of the drive protection cover 9, the connector 11 is, for example, permanently installed on the shield 9 a and is detachable from the step shaft 10. The connecting tool 11 may be, for example, permanently installed on the step shaft 10 and detachable from the shield 9a. The connection tool 11 may be, for example, a jig that can be attached to and detached from both the shield 9 a and the step shaft 10.

  In the first to third examples of the drive protection cover 9, when the force applied by the movement of the step 6 becomes equal to or more than a certain value, the connecting tool 11 is connected to at least one of the step shaft 10 and the shield 9 a. It is formed to be separated. The connection tool 11 is, for example, one that is magnetically attracted to at least one of the step shaft 10 and the shielding portion 9a. When the shield 9a is formed of a material that does not stick to the magnet, it is sufficient that a magnet for connection or a member that sticks to the magnet is attached to the shield 9a.

  FIG. 10 is a flowchart illustrating an example of the driving device protection cover opening and closing method according to the first embodiment.

  The maintenance worker removes at least one step 6 during the maintenance work of the drive device 5 (step S101). The maintenance worker attaches the connecting tool 11 to the step shaft 10 through the opening of the portion where the removed step 6 was provided (step S102). The maintenance worker opens the drive device protection cover 9 by moving step 6 (step S103). If the step 6 continues to move even after the drive protection cover 9 is completely opened, the connecting tool 11 is disengaged from the step shaft 10. The movement in step S103 in step S103 is performed by, for example, operating a switch for manual operation provided on the control panel 4 of the passenger conveyor.

  The maintenance worker performs maintenance work on the drive device 5 with the drive device protection cover 9 completely opened (step S104). After the maintenance work is completed, the maintenance worker attaches the connecting tool 11 to the step shaft 10 (step S105). The maintenance worker closes the drive protection cover 9 by moving step 6 in the reverse direction (step S106). The maintenance worker removes the connector 11 from the step shaft 10 with the drive device protection cover 9 closed (step S107). Thereafter, the maintenance worker attaches the removed step 6 (step S108).

  In the first embodiment, the driving device protection cover 9 of the passenger conveyor includes the shielding portion 9a. The shielding portion 9a is arranged above the driving device 5 and below the step 6 in a space between the driving device 5 and the step 6 provided on the inclined portion of the passenger conveyor. The shield 9a is movable in the space along the moving direction of the step 6 with the movement of the step 6. Therefore, according to the first embodiment, the drive device 5 can be exposed without removing the drive device protection cover 9 during maintenance work. As a result, it is possible to improve the work efficiency in the maintenance work of the drive device of the passenger conveyor.

  In the first embodiment, when the step 6 moves while being connected to the step shaft 10 via the connecting tool 11, the shield 9a is pulled in the traveling direction of the step 6. For this reason, according to the first embodiment, a dedicated power for opening and closing the drive device protection cover 9 is unnecessary. As a result, it is possible to improve the work efficiency in the maintenance work of the driving device of the passenger conveyor with a simple configuration. Further, the drive device protection cover 9 can be easily installed on the existing passenger conveyor.

  In the first embodiment, the coupling tool 11 is separated from at least one of the step shaft 10 and the shield 9a when the force applied by the movement of the step 6 becomes equal to or more than a certain value. That is, even if the step 6 is moved more than necessary when the drive device protection cover 9 is opened and closed, no excessive force is applied to the step shaft 10 and the shield 9a. Therefore, according to the first embodiment, the maintenance worker does not need to adjust the movement amount in step 6 when opening and closing the drive device protection cover 9. As a result, it is possible to improve the work efficiency in the maintenance work of the drive device of the passenger conveyor.

  In the first embodiment, the coupling tool 11 is, for example, magnetically attracted to at least one of the step shaft 10 and the shield 9a. In this case, with a simple configuration, the connection between the step shaft 10 and the shielding portion 9a can be released when a certain force or more is applied.

  In the first embodiment, the drive device protection cover 9 is formed to be movable in a folding manner, for example, as in the first example. The drive device protection cover 9 is formed to be movable in a sliding manner, for example, as in the second example. The drive device protection cover 9 is formed to be movable by a winding method, for example, as in the third example. Therefore, according to the first embodiment, the drive device protection cover 9 can be moved from above the drive device 5 without being taken out of the truss 1.

  In the first embodiment, the method for opening and closing the drive protection cover of the passenger conveyor includes a connection step, a cover opening step, and a cover closing step. In the connecting step, the shield 9a of the drive protection cover 9 arranged above the drive 5 and below the step 6 in the space between the drive 5 of the passenger conveyor and the step 6 is connected to the step shaft 10 by the connection tool 11. This is the step of connecting to. The cover opening step is a step in which the step 6 is moved in one of the movable directions to move the shielding portion 9a in the one direction in the space. The cover closing step is a step of moving the shielding portion 9a in the other direction in the space by moving the step 6 in another direction among the movable directions. Therefore, according to the first embodiment, the drive device 5 can be exposed without removing the drive device protection cover 9 during maintenance work. As a result, it is possible to improve the work efficiency in the maintenance work of the drive device of the passenger conveyor.

  In the first embodiment, the drive device protection cover 9 may be formed to have a bellows-like structure so that it can expand and contract. Even in this case, the drive protection cover 9 can be moved from above the drive 5 without taking the drive protection cover 9 out of the truss 1.

  In the first embodiment, the movement of the shielding portion 9a in the space between the driving device 5 and the step 6 may be guided by, for example, a rail (not shown) provided inside the truss 1. The rails are arranged, for example, on the left and right sides above the driving device 5. The rail may be installed using, for example, screw holes for fixing a conventional cover of the driving device 5.

  In the first embodiment, when a plurality of drive devices 5 exist on the passenger conveyor, for example, a plurality of drive device protection covers 9 can be simultaneously opened and closed. In this case, work efficiency can be further improved.

  In the first embodiment, a contact or a sensor for detecting the open / closed state of the drive device protection cover 9 may be provided inside the truss 1. The control panel 4 may, for example, notify information from the control panel 4 or a notification unit provided in the vicinity of the doorway when the drive device protection cover 9 detects the fully open state and the fully closed state. The open / close state of the drive protection cover 9 may be visually checked by a maintenance worker.

DESCRIPTION OF SYMBOLS 1 Truss 2 Upper entrance 3 Lower entrance 4 Control panel 5 Drive 6 Step 7 Handrail 8 Step link 9 Drive protection cover 9a Shield 9b Connection 10 Step shaft 11 Connection tool 12 Winding shaft

Claims (8)

  Driving a passenger conveyor having a shielding portion that is disposed above and below the step in the space between the driver and the step of the passenger conveyor and is movable in the direction of movement of the step in the space. Device protection cover.   2. The drive protection cover for a passenger conveyor according to claim 1, wherein the shield is pulled in a traveling direction of the step when the step moves while being connected to the step shaft via a connector. 3.   The driving device protection cover for a passenger conveyor according to claim 2, wherein the connecting member is separated from at least one of a step shaft and the shielding portion when a force applied by the movement of the step becomes equal to or more than a certain value.   The drive protection cover for a passenger conveyor according to claim 2 or 3, wherein the connecting tool is magnetically attracted to at least one of the step shaft and the shielding portion. The shielding portion is a plurality of plate-like members whose ends are connected to each other at a connection portion,
The drive device protection cover for a passenger conveyor according to any one of claims 1 to 4, wherein the plate-shaped member is moved by a plurality of connection portions being alternately bent as the step moves. The shielding unit is a plurality of plate-like members,
The drive protection protective cover for a passenger conveyor according to any one of claims 1 to 4, wherein the plate-shaped member is moved so as to slide on the surface of another plate-shaped member as the step moves.   The drive device protection cover for a passenger conveyor according to any one of claims 1 to 4, wherein the shielding portion is formed in a sheet shape, and is taken up as the step moves. Connecting a shield of a drive protection cover arranged above the drive and below the step in the space between the drive of the passenger conveyor and the step to the step shaft with a connection tool;
A step of moving the shielding portion in the one direction in the space by moving the step in one of the movable directions;
A step of moving the shielding portion in the other direction in the space by moving the step in the other direction among the movable directions;
Opening / closing method of a drive protection cover for a passenger conveyor provided with a vehicle.

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