JP2007331892A - Passenger conveyor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a passenger conveyor capable of attaching/detaching a step only in one machine room of either an upper machine room or a lower machine room. <P>SOLUTION: The passenger conveyor is provided with a plurality of steps 3 connected to a step chain 2, circulated/traveled between upper and lower doorways and having a front wheel 6 guided by a front wheel rail 4A and a rear wheel 7 guided by a rear wheel rail 4B; and a U-shaped rear wheel reverse rail 8 installed in the upper machine room and the lower machine room and restricting a position of the rear wheel 7 of the step 3. A first notch 10A and a second notch 11A for enabling attachment/detachment of the rear wheel 7 of the step 3 are formed on the rear wheel reverse rail 8 installed in the lower machine room, and plate 10 and plate 11 capable of opening/closing the first notch 10A and the second notch 11A are provided. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a passenger conveyor that includes a step such as a moving sidewalk or an escalator and that can be easily attached and detached.

  A passenger conveyor, such as an escalator, is driven by a pair of sprockets arranged in the upper machine room, a pair of sprockets arranged in the lower machine room, a step chain hung between these sprockets, and a step chain. A plurality of steps that circulate between the upper and lower entrances and exits, and standing on both sides of the steps, are equipped with handrail guides and balustrades composed of skirt guards, inner decks, balustrade panels, handrail guides, etc. A handrail that travels in the same direction as the step is provided.

  For example, the detachment of the step provided in the escalator having such a configuration is performed by removing the front wheel shaft of any step of the escalator and the fixing bolt of the step fixing portion in the upper machine chamber or the lower machine chamber of the escalator, and fixing the bolt. Move the step with the escalator to the middle horizontal part of the escalator. Further, after removing the optional inner deck and skirt guard on both sides of the escalator intermediate horizontal portion, the step from which the fixing bolt is removed is moved to the position where the inner deck and the skirt guard are removed. Thereafter, the step from which the fixing bolt has been removed is lifted and removed from the escalator.

As disclosed in Patent Document 1, it has been proposed to attach a front wheel and a rear wheel for a step to a step chain with hooks or hooks so that the step chain can be easily attached to and detached from the step chain.
JP 2002-226167 A

  However, in the above-described prior art, when the step is attached / detached, work in the upper machine room or the lower machine room, work of attaching / detaching the inner deck and the skirt guard in the escalator middle horizontal part, and work in a plurality of places are generated. Moreover, since it is necessary to move a step by hand before the escalator landing of the upper part or lower part of an escalator after removing the said step in an intermediate horizontal part of an escalator, much labor is required. For these reasons, there is a problem that it takes a lot of work time and cannot expect improvement in work efficiency of the step removal work.

  The present invention has been made based on such a state of the prior art, and an object thereof is to provide a passenger conveyor in which steps can be attached / detached only in either the upper machine room or the lower machine room. There is to do.

  In order to achieve this object, the present invention is connected to a step chain, circulates between upper and lower entrances and exits, a plurality of front wheels are guided by the front wheel rail, and rear wheels are guided by the rear wheel rail. In a passenger conveyor comprising a step and a U-shaped rear wheel reversing rail that is installed in the upper machine room and the lower machine room and regulates the position of the rear wheel of the step, the upper machine room and the lower machine room A notch that allows the rear wheel of the step to be attached to and detached from the rear wheel reversing rail that is installed on at least one of the steps is provided, and a plate that can be opened and closed is provided.

  In the present invention configured as described above, when the step is removed, in the corresponding machine room of the upper machine room and the lower machine room, the notch of the rear wheel reversing rail installed in the machine room is closed. Open the plate, open the notch, drive the step to the optimum position for removal and stop. Next, after releasing the front wheel of the step, the rear wheel is removed from the notch forming the opening of the rear wheel reversing rail while lifting the step. Thus, the step can be removed from the front wheel rail and the rear wheel rail.

  In addition, when installing the step, in the corresponding machine room, for example, by opening the notch of the rear wheel reversing rail installed in the machine room by rotating the plate, lift the step, The front wheel of the step is moved to a predetermined fixed part. Further, the rear wheel is inserted into the rear wheel reversing rail from the notch. The plate rotated in this state is closed to close the notch, and the front wheel is fixed. In addition, the operation of the passenger conveyor is stopped, and the operation of the passenger conveyor is stopped at a position optimal for mounting the step to be mounted next. These steps complete the mounting of the steps.

When the passenger conveyor is normally operated from the state where the steps are mounted in this manner, the notch is blocked by the plate, so that the rear wheel does not come off from the rear wheel inversion rail and the passenger conveyor is not hindered. It can be run.
Thus, in the present invention, a notch is formed in the rear wheel reversing rail installed in at least one of the upper machine room and the lower machine room, and the notch is provided with a plate that can be opened and closed. The steps can be removed through a notch. Accordingly, the steps can be attached and detached only in one of the upper machine room and the lower machine room.

  Further, according to the present invention, in the above invention, two notches are formed in the outer peripheral side rail of the rear wheel reversing rail installed in at least one of the upper machine room and the lower machine room, and these notches are formed. It is characterized by providing each with an openable and closable plate. In the present invention configured as described above, the two notches can be divided into steps for removing the step and for mounting the step, and the step can be efficiently detached.

  Further, in the present invention, in the above invention, the outer rail is formed with the notch used mainly when removing the step and the notch used mainly when installing the step, and mainly when removing the step. The notch used is arranged below the horizontal line passing through the sprocket axis, and the notch used mainly when mounting a step is located above the horizontal line passing through the sprocket axis. To do. Since the present invention configured as described above can easily remove and attach the step, the step can be safely detached.

  Further, the present invention is the above invention, wherein a guide member is provided in the vicinity of the front wheel on both side surfaces of some or all of the steps, and at least one of the upper machine chamber and the lower machine chamber is mounted with the steps. A support member for placing and guiding the guide member is provided. The present invention configured as described above can easily perform the step mounting work.

  In the present invention, the support member extends in the horizontal direction. According to the present invention configured as described above, the step can be moved in the horizontal direction to perform the mounting operation of the step, and the mounting operation can be performed more easily.

  Further, in the present invention, in the above invention, a proximity switch for detecting a step removal position is provided on a traveling locus of a step front wheel of a sprocket provided in at least one of the upper machine chamber and the lower machine chamber. It is characterized by. The present invention configured as described above can stop the passenger conveyor in the operating state at a desired step removal position by the operation of the proximity switch.

  Further, in the present invention, in the above invention, a proximity switch for detecting a step mounting position is provided on a travel locus of a step front wheel of a sprocket provided in at least one of the upper machine chamber and the lower machine chamber. It is characterized by. The present invention configured as described above can stop the passenger conveyor in an operating state at a desired step mounting position by operating the proximity switch.

  According to the present invention, a notch is formed in at least one rear wheel reversing rail in the upper machine chamber and the lower machine chamber, and a plate that can be opened and closed is provided. Can do. This can reduce the labor of workers in removing and installing the step, and can reduce the work time from inspection, repair, and adjustment inside the passenger conveyor that is performed after removing the step to mounting the step. The efficiency of removing and attaching the stage can be improved as compared with the prior art.

  Hereinafter, the best mode for carrying out attachment and detachment of steps of a passenger conveyor according to the present invention will be described with reference to the drawings.

[Main Configuration of One Embodiment of Passenger Conveyor According to the Present Invention]
FIG. 1 is a side view showing a configuration of a lower machine room provided in an embodiment of a passenger conveyor according to the present invention, FIG. 2 is a side view showing a main part during normal operation of this embodiment, and FIG. It is the figure seen from the A direction of FIG.

  As shown in FIG. 1, a pair of sprockets 5 are arranged in, for example, a lower machine room provided in an embodiment of a passenger conveyor, for example, an escalator, according to the present invention and formed in a frame 1. A similar pair of sprockets 5 is also disposed in the upper machine chamber (not shown). Endless step chains 2 are respectively hung between the sprockets 5 in the upper and lower machine chambers. A plurality of steps 3 are attached to the step chain 2. The step chain 2 is driven by a drive device (not shown), whereby the step 3 circulates between the entrance / exit of the upper machine room and the entrance / exit of the lower machine room. Also, a front wheel rail 4A for guiding the front wheel 6 of the step 3 and a rear wheel rail 4 for guiding the rear wheel 7 of the step 3 are disposed between the lower machine room and the upper machine room. . The rear wheel rail 4 includes a rear wheel reversing rail 8 that is semicircular concentric with the sprocket 5 and has a U-shaped cross section and restricts the traveling locus of the rear wheel 7 at the end of the rear wheel rail 4. .

  In addition, as shown in FIG. 2, two cutouts of a first cutout 10A and a second cutout 11A are formed in the outer portion of the rear wheel reversing rail 8 in the lower machine room. The first notch 10A is provided with a first plate 10 that can freely open and close the first notch 10A. Similarly, the second notch 11A is provided with a second plate 11 that can freely open and close the second notch 11A. By closing the first plate 10 and the second plate 11, the outer peripheral rail 8 </ b> A of the outer portion of the rear wheel reversing rail 8 is formed in the original semicircular shape. One end side of each of the first plate 10 and the second plate 11 is attached to the rear wheel reversing rail 8 via a hinge 12. Further, on the other end side of the first plate 10, a lock means (not shown) that holds the first plate 10 in a closed state, and a first opening detection switch 13 </ b> A that operates in conjunction with opening and closing of the first plate 10. Is provided. Similarly, on the other end side of the second plate 11, a lock unit (not shown) that holds the second plate 11 in a closed state, and a second opening detection switch that operates in conjunction with opening and closing of the second plate 11. 13B is provided. Further, the first notch 10A is disposed below a horizontal line passing through the axis of the sprocket 5 which is a suitable position when the step 3 is removed. Further, the second notch 11A is arranged above a horizontal line passing through the axis of the sprocket 5 which is a suitable position when the step 3 is mounted.

  Also, a first proximity switch 14A that detects the optimum removal position of the step 3 and stops the step 3, and a second proximity switch 14B that detects the optimum attachment position of the step 3 and stops the step 3 And. As shown in FIGS. 2 and 3, the first proximity switch 14A is a region on the travel locus of the front wheel 6 of the step 3, that is, on the circumference of the sprocket 5 with respect to the side surface of the step chain 2 shown in FIG. The rear wheel 7 is disposed at a position facing the side surface of the front wheel 6 when the rear wheel 7 reaches the first notch 10A. Similarly, the second proximity switch 14B is disposed in the above-described region at a position facing the side surface of the front wheel 6 when the rear wheel 7 reaches the second notch 11A. In the lower machine room, a guide member 15 that is used when the step 3 is mounted and smoothly inserted into the notch 11A and a support rail, that is, a support member 16 are arranged. Yes.

[Step removal operation in this embodiment]
FIG. 4 is a side view showing a main part when the step is removed according to the present embodiment.

  In this embodiment, when the step 3 is removed, the operation mode (operation method) is first changed from the normal operation mode (normal operation method) to the step removal operation mode (normal operation method) on an escalator control panel (not shown) or an escalator control device (not shown). Switching to the step removal method) is performed. Note that the step removal operation mode means that an operation start button (not shown) is pressed, the movement of the step 3 is started, the rear wheel 7 reaches the first notch 10A, and the first proximity switch 14A detects the front wheel 6. This is an operation mode in which the movement of the step 3 is stopped.

  That is, when removing the step 3, as shown in FIG. 4, the first plate 10 provided on the rear wheel reversing rail 8 in the lower machine room is rotated to open the first notch 10A, and the escalator is opened. to start. As the first plate 10 rotates, the first opening detection switch 13A is activated, and the first proximity switch 14A becomes operable in response to a signal output from the first opening detection switch 13A. . The first proximity switch 14A detects the optimum position for removing the step 3 when the front wheel 6 faces the first proximity switch 14A. This detection signal is sent to the control panel, and the movement of the step 3 is stopped. After stopping the step 3, the shaft of the front wheel 6 and the fixing bolt 9 of the step fixing part are removed. Here, the rear wheel 7 is removed from the first notch 10A while lifting the step 3. By repeating this operation, the necessary number of steps 3 are removed. After the removal of the step 3 is completed, the inside of the escalator is inspected, repaired or adjusted. When the step 3 is removed in the lower machine room, the ascending operation mode is set in which the step 3 moves from the lower machine room toward the upper machine room.

[Mounting operation of step in this embodiment]
5 and 6 are diagrams showing the step mounting operation, FIG. 5 is a side view showing the main part immediately before the step is mounted in the present embodiment, and FIG. 6 is the step of the present embodiment. It is a side view which shows the principal part at the time of mounting | wearing.

  In the mounting operation of the step 3 performed after the above-described internal inspection, repair or adjustment of the escalator is completed, the operation mode is changed from the step removal operation mode (step removal operation method) to the step mounting operation mode ( Switching to the step mounting operation method) is performed. Note that the step mounting operation mode refers to the following when the operation start button (not shown) is pressed, the movement of the mounted step 3 is started, and the front wheel 6 of the step 3 is detected by the second proximity switch 14B. This is an operation mode in which the operation is stopped for the step 3 attached to the vehicle.

  At the start of mounting of the plurality of steps 3 removed, as shown in FIG. 5, the first plate 10 opened at the time of removal of the steps 3 is rotated to close the first notch 10A, and the second The plate 11 is rotated to open the second notch 11A. Further, the support rail 16 is set on the frame 1 shown in FIG. Next, the step 3 to be mounted is supported on the support rail 16 by placing the guide member 15 on the support rail 16. In this state, when the step 3 to be mounted is moved, the guide member 15 rolls on the support rail 16, and the rear wheel 7 comes to a position in front of the second notch 11A. At this time, the guide member 15 is located at the end of the support rail 16.

  Next, the step 3 is moved to the step fixing portion, and the rear wheel 7 is inserted into the rear wheel reversing rail 8 through the opening of the second notch 11A. Thereafter, the front wheel 6 and the step fixing portion are fixed by the fixing bolt 9. In this state, when the step 3 is moved and moved, the next step 3 stops moving at a position optimal for mounting by the second proximity switch 14B. Thereafter, the same operation process is repeated for the removed step 3 several times. After all the steps 3 have been mounted, the second plate 11 is rotated to close the second notch 11A and lock, thereby completing the mounting operation. Even when the step 3 is mounted in the lower machine room, the ascending operation mode in which the step 3 moves from the lower machine room toward the upper machine room is set.

  Further, as described above, the first opening detection switch 13A and the second opening detection switch 13B operate in conjunction with the opening and closing of the first plate 10 and the second plate 11, respectively, so that the first plate 10 or the second plate In a state where 11 is open, the escalator is controlled so that normal operation is prevented. Therefore, normal operation is not performed with the first plate 10 or the second plate 11 open.

[Effect of this embodiment]
According to the present embodiment configured as described above, the first notch 10A and the second notch 11A are formed in the rear wheel reversing rail 8 installed in the lower machine room, and the first notch 10A, the first notch Since the first plate 10 and the second plate 11 that can freely open and close the two notches 11A are provided, the step 3 can be attached and detached at only one place in the lower machine room. As a result, the labor of the worker in detaching the step 3 can be reduced, and the work time from the inspection, repair, and adjustment inside the elevator performed by removing the step 3 to the installation of the step 3 can be shortened. The efficiency of removing / attaching the step 3 can be improved as compared with the prior art.

  In the above-described embodiment, two cutouts, the first cutout 10A and the second cutout 10B, are provided. However, the present invention is not limited to this, and one cutout may be provided. Note that the position of the notch when there is one notch is the position of the first notch 10A, the position of the second notch 11A, or the position of the first notch 10A and the position of the second notch 11A. Any of the intermediate positions may be used.

  Moreover, although the first notch 10A, the second notch 10B, the first plate 10, the second plate 11 and the like described above are provided in the lower machine room, the same effect can be obtained by providing the same in the upper machine room. can get.

It is a side view which shows the structure of the lower machine room with which one Embodiment of the passenger conveyor which concerns on this invention is equipped. It is a side view which shows the principal part at the time of the normal driving | operation of this embodiment. It is the figure seen from the A direction of FIG. It is a side view which shows the principal part at the time of step removal of this embodiment. It is a side view which shows the principal part just before a step is mounted | worn in this embodiment. It is a side view which shows the principal part at the time of step mounting of this embodiment.

Explanation of symbols

1 frame 2 step chain 3 step 4A front wheel rail 4B rear wheel rail 5 sprocket 6 front wheel 7 rear wheel 8 rear wheel reversing rail 8A outer peripheral rail 9 fixing bolt 10 first plate 10A first notch 11 second plate 11A 2nd notch 12 Hinge 13A 1st opening detection switch 13B 2nd opening detection switch 14A 1st proximity switch 14B 2nd proximity switch 15 Guide member 16 Support rail (support member)

Claims (7)

It is connected to the step chain, circulates between the upper and lower entrances and exits, the front wheel is guided by the front wheel rail, the rear wheel is guided by the rear wheel rail, and the upper machine room and the lower machine room In a passenger conveyor provided with a U-shaped rear wheel reversal rail that regulates the position of the rear wheel of the step,
The rear wheel reversing rail installed in at least one of the upper machine room and the lower machine room is formed with a notch that allows the rear wheel of the step to be attached and detached, and a plate that can be opened and closed is provided. Passenger conveyor characterized by being provided.   Two notches are formed on the outer peripheral rail of the rear wheel reversing rail installed in at least one of the upper machine room and the lower machine room, and plates that can freely open and close these notches are provided, respectively. The passenger conveyor according to claim 1.   The notch used mainly when removing the step and the notch used mainly when installing the step are formed in the outer rail, and the notch used mainly when removing the step is used for the sprocket. The passenger conveyor according to claim 2, wherein the notch is disposed on a lower side of a horizontal line passing through an axis, and the notch used mainly when mounting a step is located on an upper side of the horizontal line passing through the axis of the sprocket.   A guide member is provided in the vicinity of the front wheel on both side surfaces of some or all of the steps, and the guide member is placed and guided in at least one of the upper machine chamber and the lower machine chamber when the step is mounted. The passenger conveyor according to claim 3, further comprising a support member.   The passenger conveyor according to claim 4, wherein the support member extends in a horizontal direction.   6. A proximity switch for detecting a step removal position is provided on a travel locus of a step front wheel of a sprocket provided in at least one of the upper machine chamber and the lower machine chamber. A passenger conveyor given in any 1 paragraph.   7. A proximity switch for detecting a step mounting position is provided on a travel locus of a step front wheel of a sprocket provided in at least one of the upper machine chamber and the lower machine chamber. A passenger conveyor given in any 1 paragraph.

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