JP2010184762A - Step cleaning device of passenger conveyor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a step cleaning device capable of stably cleaning a step, by maintaining performance of a cleaning device, by removing dust-dirt and the oil content sticking to a cleaning brush without stopping operation of the cleaning device, in the step cleaning device of a passenger conveyor. <P>SOLUTION: This step cleaning device includes a brush device 3 for cleaning an upper surface part of the step by allowing rotating brush bodies 3A and 3B to abut on the upper surface part of the step 6 connected in an endless shape, and transfer means 4 (4A and 4B) arranged so as to abut on the brush bodies and having a sticking object 41 for rollingly sticking dusts-dirts sticking to the brush bodies from the brush bodies. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a passenger conveyor step cleaning device that automatically cleans steps connected endlessly.

  As a device for cleaning the steps of a conventional passenger conveyor, a holder that is detachably fixed to an entrance / exit of an escalator having a large number of steps, and is slidable along the longitudinal direction of the steps attached to the holder There is a step cleaning device for an escalator comprising a cleaning unit including a movable rotating brush and a pressing unit that presses the bristles of the rotating brush provided in the cleaning unit into a cleat portion of the step (for example, Patent Documents). 1).

JP 61-178392 A (first page, FIG. 6)

  In the conventional technique such as Patent Document 1, dust adheres to the rotating brush as cleaning progresses. In particular, both sides of the step are affected by the drive chain of the passenger conveyor and the lubricant supplied to the mechanism unit. Therefore, there is a problem that the cleaning performance deteriorates due to the dust containing oil on the rotating brush. For this reason, although not described in Patent Document 1, it is necessary to stop the cleaning operation and replace the rotating brush from time to time, or to remove and clean it.

  The present invention was made to solve the above-described problems in the prior art, and provides a step cleaning device for a passenger conveyor that can maintain the cleaning performance without stopping the operation of the cleaning device for a long time. The purpose is to do.

  A step cleaning device for a passenger conveyor according to the present invention includes a brush device for cleaning a top surface portion of a step by bringing a rotating brush body into contact with an upper surface portion of steps connected endlessly, and the brush body. And a transfer means having an adherend that is provided so as to contact and adheres dust attached to the brush body from the brush body.

  In the present invention, the dust adhered to the brush body by the transfer means is transferred to the adherend, so that the dirt on the brush body is maintained within a predetermined level and the operation of the cleaning device is stopped for a long time. And cleaning performance can be maintained.

BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which illustrates notionally the structural example of the step cleaning apparatus of the passenger conveyor which concerns on Embodiment 1 of this invention, Fig.1 (a) is a front view, FIG.1 (b) is FIG.1 (a). Side view. FIG. 6 is a side view for explaining the operation when performing cleaning according to the first embodiment. The side view explaining the other operation example at the time of cleaning implementation by Embodiment 1. FIG. It is a figure explaining notionally the step cleaning apparatus of the passenger conveyor which concerns on Embodiment 2 of this invention, Fig.4 (a) is a front view, FIG.4 (b) is a side view of Fig.4 (a).

Embodiment 1 FIG.
FIGS. 1-3 is a figure which illustrates notionally the example of a structure of the step cleaning apparatus of the passenger conveyor which concerns on Embodiment 1 of this invention, Fig.1 (a) is a front view, FIG. b) is a side view of FIG. 1A, FIG. 2 is a side view for explaining the operation at the time of cleaning, and FIG. 3 is a side view for explaining another example of the operation at the time of cleaning. In FIG. 1A, the brush body 3 (3A, 3B) is shown with hatching to facilitate understanding of the mutual arrangement of the members. Further, the same reference numerals denote the same or corresponding parts throughout the drawings.

  In the figure, a passenger conveyor step cleaning device 20 extends in a substantially horizontal direction when in use, and has a top plate 11 having an opening 11a for passing a drive belt, which will be described later, in a substantially central portion. A base 1 made up of support members 12 and 13 projecting in parallel and spaced apart from each other in the downward direction from the lower center, and an upper portion of the top plate 11, and the protruding portion of the drive shaft 21 is above the opening 11a. The motor 2 fixed to the top plate 11 via an angle member so as to be positioned, and symmetrically disposed on both sides of the support members 12 and 13 at the lower part of the top plate 11 with respect to the support members 12 and 13. And substantially cylindrical brush bodies 3A and 3B fixed to a common brush body rotating shaft 31 supported rotatably, and both sides sandwiching the support members 12 and 13 between the brush bodies 3A and 3B and the top plate 11 Arranged symmetrically, A transfer means 4 (4A, 4B) for contacting dirt on the brush bodies 3A, 3B and transferring dirt, etc., to the transfer sheet 41 as an adherend, respectively; Transmission means 51 and 52 using a pulley and a drive belt for transmitting the rotation to the brush body rotation shaft 31 and the winding shaft 43a of the transfer means 4 are provided.

  The brush bodies 3A and 3B are formed such that a linear body such as a large number of brushes whose details are not shown with the brush body rotating shaft 31 as a center is radially arranged to form a substantially cylindrical appearance. Rotated by the rotation of the motor 2, the tip of the linear body comes into contact with the escalator or other passenger conveyor so that it also enters the groove of the step 6, and contacts the upper surface (step surface) of the step 6. It is configured to scrape off the attached dirt and foreign matter. The brush body 3A, 3B, the brush body rotating shaft 31, the base 1, the motor 2, and the transmission means 51 constitute a brush device 3.

  The transfer means 4 (4A, 4B) includes a transfer sheet 41 which is a long sheet-like adherend made of a material such as cotton, to which dust and oil easily adhere, and the transfer sheet 41 is wound in a drum shape. An adherend roll 42 that constitutes a feed mechanism (not shown in detail) that is rotatably supported by the support member 12 (13), and a winding shaft 43a that is rotatably supported by the support member 12 (13). 2 and disposed between the adherend roll 42 and the take-up roller 43 as shown in FIG. 2 and the take-up roller 43 constituting the take-up mechanism of the transfer sheet 41 fed from the adherend roll 42. The pair of guide rollers 44 and 45 for bringing the transfer sheet 41 into contact with the outer peripheral surfaces of the brush bodies 3A and 3B, the motor 2, and the transmission means for transmitting the driving force of the motor 2 to the winding shaft 43a of the winding roller 43. 52.

  The adherend roll 42 is provided with a rotation restricting means (not shown) having a brake structure for applying an appropriate tension to the transferred transfer sheet 41. The step cleaning device 20 is installed in the vicinity of the passenger entrance of the passenger conveyor by means of metal fittings not shown, and when installed, as shown in FIG. 2, the brush is placed on the upper surface of the step 6 and in the groove of the step 6 not shown. It is comprised so that the front-end | tip part of body 3A, 3B may contact | abut. Further, the lateral width in the left-right direction in FIG. 1A is narrower than the width in step 6, and is formed in such a size that the entire width in step 6 is cleaned by shifting the installation position in the left-right direction. In addition to the above, there is provided a suction means for sucking the dust scraped from Step 6 by the rotation of the brush bodies 3A and 3B together with the surrounding air.

  Next, the operation of the first embodiment configured as described above will be described. First, the step cleaning device 20 is set in the vicinity of the entrance / exit of the passenger conveyor so that the outer peripheral surfaces of the brush bodies 3A and 3B are pressed onto the step 6 as shown in FIG. Note that the position in the width direction of step 6 is first moved to either side as in the case of the conventional cleaning device. Next, when the motor 2 is operated in the state shown in FIGS. 1 and 2, the brush bodies 3 </ b> A and 3 </ b> B rotate in the direction of the arrow A through the transmission unit 51, while being wound through the transmission unit 52 in conjunction with each other. The take-up roller 43 is rotated and the transfer sheet 41 is fed out from the adherend roll 42 in the direction of arrow B, and is wound around the take-up roller 43 through the guide roller 44, the outer peripheral surfaces of the brush bodies 3A and 3B, and the guide roller 45. Taken.

  Here, as described above, the driven-side adherend roll 42 is configured to be wound with a rotation regulating means (not shown) and a constant tension due to the winding force of the winding roller 43. In such a state, by operating the passenger conveyor, the dust containing the oil adhering to the upper surface portion including the inside of the groove of Step 6 scraped by the brush bodies 3A and 3B is removed from the step cleaning device 20. It is divided into those collected by a suction means (not shown) provided in the case and those attached to the brush bodies 3A and 3B. The dust adhering to the brush bodies 3A and 3B is continuously attached to the transfer sheet 41 moving in the direction of arrow B when the brush bodies 3A and 3B are pressed against the lower surface of the transfer sheet 41. Removed and transferred from the bodies 3A, 3B.

  By continuing the above operation for at least one round of the step 6 connected endlessly, the cleaning of the portion where the brush bodies 3A and 3B abut is completed. Next, the cleaning in the entire width of step 6 is completed by changing the position in the width direction in step 6 of the step cleaning device 20 and performing the same cleaning operation. In order to increase the transfer effect on the transfer sheet 41, it is preferable to subject the transfer sheet 41 to various surface treatments such as degreasing and impregnation with a static eliminating agent. Further, the rotational speeds of the brush bodies 3A and 3B and the moving speed of the transfer sheet 41 are appropriately adjusted by mutually changing the rotational speed of the motor 2 and the reduction (increase) speed ratio of the transmission means 51 and 52. be able to.

  Furthermore, step 6 is operated to move to the left in FIG. 2, for example, but the reverse is also possible. Also, the transfer sheet 41 can be used on both sides by reversing the method of attaching the adherend roll 42 on the feeding side as shown in FIG. That is, the cleaning operation is continued in the state shown in FIG. 2, and when the transfer sheet 41 fed out from the adherend roll 42 reaches the final portion, the operation is temporarily stopped and the transfer sheet 41 wound up by the winding roller 43. 2 is set on the left side of the adherend roll 42 on the left side of FIG. 2 so that the new adherend roll 42 is reversed as shown in FIG. By feeding out the transfer sheet 41 so as to rotate in the direction, the back surface side of the transfer sheet 41 can be brought into contact with the brush bodies 3A and 3B, and dust can be attached.

  As described above, according to the first embodiment, by providing the transfer means 4 for removing dust containing oil adhering to the cleaning brush bodies 3A and 3B, the step 6 of the brush bodies 3A and 3B is performed. Therefore, it is possible to perform step cleaning of a passenger conveyor that is more stable for a longer time than before without degrading the cleaning performance. Further, the dirt removal of the brush bodies 3A and 3B by the transfer means 4 is performed in parallel with the rotation of the brush bodies 3A and 3B during the operation of the step cleaning device 20, so that the cleaning is not performed without losing the cleaning time. It is possible to improve workability. Further, since the cleaning brush bodies 3A and 3B can be kept clean for a long time, the replacement frequency of the brush bodies 3A and 3B is reduced, the efficiency of the cleaning work can be improved, and the environmental load can be reduced.

Embodiment 2. FIG.
4 is a diagram conceptually illustrating a step cleaning device for a passenger conveyor according to Embodiment 2 of the present invention, in which FIG. 4 (a) is a front view and FIG. 4 (b) is a diagram in FIG. 4 (a). It is a side view. In the second embodiment, a cleaning liquid deposition apparatus 7 for depositing a cleaning liquid on the brush bodies 3A and 3B is added to the step cleaning apparatus 20 of the first embodiment. In the figure, a cleaning liquid depositing device 7 includes a container 71 containing cleaning liquid (not shown) for removing dirt from the brush bodies 3A and 3B installed on the top plate 11, and side portions of the brush bodies 3A and 3B. The nozzle body 72 is provided in the horizontal direction along the outer peripheral surfaces of the brush bodies 3A and 3B, and injects or drops the cleaning liquid, and the supply pipe 73 guides the cleaning liquid in the container 71 to the nozzle body 72.

  The cleaning liquid is effective for cleaning dust containing a lubricant such as machine oil, and a neutral or near neutral liquid can be preferably used, but its components, composition, etc. are particularly limited. For example, a general cleaning agent or cleaning liquid containing a known surfactant or the like can be appropriately selected and used. The supply pipe 73 may be provided with an on-off valve and a flow rate adjustment valve for controlling the supply of the cleaning liquid, or a pump device for applying pressure to the cleaning liquid in order to spray the cleaning liquid from the nozzle body 72. . Since other configurations are the same as those of the first embodiment, description thereof is omitted.

  In the second embodiment configured as described above, when the steps of the passenger conveyor are washed as shown in FIG. 2 or FIG. The cleaning liquid sent to the nozzle body 72 is sprayed on the outer peripheral surface portions of the rotating brush bodies 3A and 3B. By rotating the brush bodies 3A and 3B having the cleaning liquid attached to the surface, dust in step 6 (FIG. 2) can be easily removed. On the other hand, dust containing oil attached to the brush bodies 3A and 3B is also removed. 3B, it is easy to transfer to the transfer sheet 41, and the cleaning effect is enhanced.

  As described above, according to the second embodiment, the cleaning liquid depositing device 7 for depositing the cleaning liquid on the brush bodies 3A and 3B is provided, so that it adheres to step 6 (FIGS. 2 and 3) of the passenger conveyor. The dust containing the oil adhering to the brush bodies 3A and 3B can be easily removed from the brush bodies 3A and 3B, so that it can be easily transferred to the transfer sheet 41 and the brush bodies 3A and 3B. As a result, it is possible to effectively remove the dirt, and it is possible to perform the step cleaning of the passenger conveyor more stably.

  In the first and second embodiments, the motor 2 is used as the drive source, and the pulley and the drive belt are used as the transmission means 51 and 52. However, the drive means, the transmission means, the transmission method, and the like are the same as those in the embodiment. It is not limited. For example, a chain or the like may be used as the transmission means, or a direct drive system that directly drives the brush body rotation shaft 31 or the winding shaft 43a of the transfer means 4 may be used. In addition, the brush bodies 3A and 3B and the transfer sheet 41 are illustrated as always in contact with each other. However, for example, a mechanism for changing the position of the guide roller 44 or 45 in the vertical direction in the figure is added. The contact state can be arbitrarily released at the time of activation or the like, or the brush device 3 and the transfer means 4 may be disengaged.

  Furthermore, it goes without saying that various changes and modifications can be made within the scope of the present invention, such as how the brush bodies 3A and 3B are brought into contact with the transfer sheet 41, the contact position, or how the tension is applied. By the way, although the case where this invention was applied to the escalator was demonstrated in the said embodiment, it cannot be overemphasized that it is applicable also to the passenger conveyor etc. which formed the ramp which does not produce a level | step difference in what is called a "moving sidewalk" or a moving direction. Yes. The step or tread surface may be made of a rubber material.

  20 step cleaning device, 1 base, 11 top plate, 11a opening, 12, 13 support member, 2 motor, 21 drive shaft, 3 brush device, 3A, 3B brush body, 31 brush body rotation shaft, 4 (4A, 4B) ) Transfer means, 41 transfer sheet (adhered body), 42 adherend roll, 43 take-up roller, 43a take-up shaft, 44, 45 guide roller, 51, 52 transmission means, 6 steps, 7 cleaning liquid application device, 71 container, 72 nozzle body, 73 supply piping.

Claims (8)

  A brush device for cleaning the upper surface portion of the step by contacting the rotating brush body with the upper surface portion of the step connected endlessly, and dust attached to the brush body so as to contact the brush body A step cleaning device for a passenger conveyor, comprising: a transfer means having an adherend to which the brush is transferred from the brush body.   The transfer means holds a transfer sheet formed in a long length as the adherend and an adherend roll on which the transfer sheet is wound in a roll shape, and one end side of the transfer sheet is attached to the brush body. The passenger mechanism according to claim 1, further comprising: a feed mechanism that feeds in the direction of the direction and a take-up mechanism that winds up the transfer sheet after being fed from the feed mechanism and coming into contact with the brush body. Conveyor step cleaning device.   3. The passenger conveyor step cleaning device according to claim 1, wherein the adherend is subjected to a surface treatment that facilitates transfer of dust.   The step cleaning device for a passenger conveyor according to claim 2 or 3, wherein the rotation of the winding mechanism is interlocked with the rotation of the brush body.   The step cleaning device for a passenger conveyor according to any one of claims 2 to 4, wherein the feed mechanism includes a rotation restricting means for applying a predetermined tension to the transfer sheet.   6. The transfer sheet according to claim 2, wherein the transfer sheet wound up by the winding mechanism is attached to the feed mechanism, and the back surface of the transfer sheet is brought into contact with the brush body. A step cleaning device for a conveyor for passengers.   The step cleaning device for a passenger conveyor according to any one of claims 1 to 6, further comprising a vacuum suction means for sucking dust dusted out by the brush body together with surrounding air.   The step cleaning device for a passenger conveyor according to any one of claims 1 to 7, further comprising a cleaning liquid deposition device for depositing a cleaning fluid on the brush body.

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