JP2011051785A - Passenger conveyor handrail cleaning device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a passenger conveyor handrail cleaning device capable of removing foreign materials adhered to a back surface of a moving handrail even in the case of a passenger conveyor including a member for preventing the contact of a brush with a back surface of the moving handrail in a part at a return passage side in a moving route of the moving handrail. <P>SOLUTION: The passenger conveyor handrail cleaning device includes: a brush 3 provided in a groove 6a of a guide rail 6 guiding a moving handrail 2 to remove dust adhered to a back surface 2a in contact with the back surface 2a of the moving handrail 2; a cleaner 4 arranged outside the groove 6a; and a hose 5 guiding the foreign material which is removed from the back surface 2a from the inside of the groove 6a to the cleaner 4. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a passenger conveyor handrail cleaning device that removes foreign matter adhering to the back surface of a moving handrail.

  Conventionally, a support base fixed to the main frame, and a brush that is supported by the support base and that contacts the back surface of the moving handrail at the return path portion of the moving path of the moving handrail and removes dust attached to the back surface There is known an escalator handrail cleaning device provided with (for example, see Patent Document 1).

Japanese Patent Laid-Open No. 10-7368

  In the conventional passenger conveyor handrail cleaning device, in the case of a passenger conveyor provided with a member that prevents the brush from contacting the back surface of the moving handrail at the return path portion of the moving path of the moving handrail, the back surface of the moving handrail There was a problem that foreign matter adhering to the surface could not be removed.

  This invention is attached to the back surface of the moving handrail even in the case of a passenger conveyor provided with a member that prevents the brush from contacting the back surface of the moving handrail at the return path portion of the moving path of the moving handrail. A passenger conveyor handrail cleaning device capable of removing foreign matter is provided.

  A passenger conveyor handrail cleaning device according to the present invention is provided in a recessed portion of a guide rail that guides a moving handrail, a brush that contacts the back surface of the moving handrail and removes foreign matter adhering to the back surface, and an outside of the recessed portion And a suction pipe that guides the foreign matter removed from the back surface from the inside of the recess to the suction device.

  According to the passenger conveyor handrail cleaning device according to the present invention, since the brush is provided in the groove of the guide rail, the brush can be brought into contact with the back surface of the moving handrail at a portion of the moving path of the moving handrail, Remove foreign matter adhering to the back of the moving handrail, even in the case of a passenger conveyor that has a member that prevents the brush from contacting the back of the moving handrail on the return path of the moving handrail. Can do.

It is a side view which shows the escalator to which the escalator handrail cleaning apparatus which concerns on Embodiment 1 of this invention was attached. It is sectional drawing when the brush of FIG. 1 is cut by the surface orthogonal to the moving direction of a moving handrail. It is a top view which shows the escalator handrail cleaning apparatus of FIG. It is a side view which shows the brush of FIG. 3, a fixing stand, and a suction hose part. It is an enlarged view which shows the brush of FIG. It is a sectional side view which shows the brush and suction hose part of FIG. It is a top view which shows the brush and suction hose part of FIG. It is a front view which shows the fixed base main body of FIG. It is a side view which shows the suction hose part of FIG.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the drawings, the same or corresponding members and parts will be described with the same reference numerals.

Embodiment 1 FIG.
FIG. 1 is a side view showing an escalator to which an escalator handrail cleaning device (passenger conveyor handrail cleaning device) 1 according to this embodiment is attached. The escalator handrail cleaning device 1 includes a brush 3 for removing dust (foreign matter) adhering to the back surface 2a of the moving handrail 2, a cleaner (suction device) 4 for sucking dust removed from the back surface 2a, a brush 3 and A hose (suction pipe) 5 is connected to the vacuum cleaner 4 and guides the dust removed from the back surface 2a to the vacuum cleaner 4.

  The brush 3 is disposed in an upper horizontal portion on the forward path side of the movement path of the moving handrail 2. The brush 3 is arranged in contact with the back surface 2 a of the moving handrail 2. Dust adhering to the back surface 2 a of the moving handrail 2 is removed by the moving handrail 2 circulatingly moving while the brush 3 is in contact with the back surface 2 a of the moving handrail 2.

  2 is a cross-sectional view of the brush 3 of FIG. 1 taken along a plane orthogonal to the moving direction of the moving handrail 2, and FIG. 3 is a plan view showing the escalator handrail cleaning device 1 of FIG. The moving handrail 2 is hung on a guide rail 6 that guides the moving handrail 2 on the forward side of the moving path of the moving handrail 2. A groove (concave portion) 6 a is formed in the guide rail 6 along the moving direction of the moving handrail 2. The groove 6a is opened toward the back surface of the moving handrail 2 as shown in FIG. A brush 3 and a fixed base (adjustment base) 7 that supports the brush 3 are provided in the groove 6a. The fixed base 7 is fixed in the groove 6 a by a plurality of screws 8. The screw 8 is screwed into a screw hole provided in the bottom surface of the groove 6a. In addition, the means for fixing the fixing base 7 to the guide rail 6 is not limited to the screw 8, and for example, a rivet may be used.

  The fixed base 7 is provided between the fixed base main body 9 having a rectangular parallelepiped shape in which a cavity 9a penetrating along the moving direction of the moving handrail 2 is formed, the bottom surface of the groove 6a, and the fixed base main body 9. A plurality of adjustment collars 10 for adjusting the distance between the bottom surface and the brush 3 are provided. The fixed base body 9 is arranged with the longitudinal direction of the rectangular parallelepiped shape coinciding with the direction along the groove 6a. The fixed base body 9 includes a bottom wall, an upper wall, and a pair of side walls that surround the cavity 9a. The distance between the bottom surface of the groove 6 a and the brush 3 is adjusted by adjusting the thickness of the adjustment collar 10. Therefore, the contact state of the brush 3 with the back surface 2 a of the moving handrail 2 is adjusted by adjusting the thickness of the adjustment collar 10.

  One fixed base 7 and one brush 3 are provided on each of the pair of guide rails 6. The hose 5 includes a pair of insertion portions 11 that are individually inserted into the grooves 6 a of the guide rails 6, a cleaner hose portion 12 that is connected to the cleaner 4, and each insert portion 11 and the cleaner hose portion 12. It has a connected connecting device part 13. The insertion part 11 includes a suction hose part 14 provided in the groove 6 a and a connection hose part 15 connected to the connection instrument part 13. The dust removed from the back surface 2 a passes through each insertion portion 11 and is guided to the common cleaner 4. The insertion part 11 and the cleaner hose part 12 have a bendable bellows part.

  4 is a side view showing the brush 3, the fixing base 7, and the suction hose portion 14 of FIG. The guide rail 6 is formed with an insertion port 6b penetrating the side wall of the groove 6a. The connecting hose portion 15 can be inserted into the insertion port 6b. The connecting hose part 15 is inserted into the insertion port 6b and connected to the suction hose part 14 in the groove 6a.

  5 is an enlarged view showing the brush 3 of FIG. 2, FIG. 6 is a side sectional view showing the brush 3 and the suction hose portion 14 of FIG. 2, and FIG. 7 is a plan view showing the brush 3 and the suction hose portion 14 of FIG. is there. The brush 3 includes a support portion 16 and a plurality of contact portions 17 that are supported by the support portion 16 and contact the back surface 2a. The contact portion 17 is made of, for example, animal hair, a plant, a resin fiber, or the like. The support portion 16 includes a storage chamber 16a for storing dust removed from the back surface 2a, a pair of long holes (suction holes) 16b and a plurality of round holes (suction holes) 16c formed in the wall on the contact portion 17 side. And the insertion port 16d formed in the side wall in one edge part along the moving direction of the moving handrail 2 is formed. The long hole 16b and the round hole 16c guide the dust removed from the back surface 2a from the outer surface on the contact portion 17 side of the support portion 16 into the housing chamber 16a.

  One long hole 16b is disposed at each end of the support portion 16 along the moving direction of the moving handrail 2. Each long hole 16 b is along a direction perpendicular to the moving direction of the moving handrail 2. The round hole 16c is disposed between the long holes 16b. When viewed from the direction perpendicular to the outer surface of the support portion 16 facing the back surface 2 a, the contact portions 17 and the round holes 16 c are alternately arranged along the moving direction of the moving handrail 2. Further, when viewed from the direction perpendicular to the outer surface of the support portion 16 facing the back surface 2a, the contact portions 17 and the round holes 16c are alternately arranged along the direction perpendicular to the moving direction of the moving handrail 2. Yes.

  Under the support portion 16, there are provided four pins 18 extending toward the fixing base 7 and spring balls 19 provided at the tip portions of the pins 18 and protruding from the side surfaces of the pins 18. The spring ball 19 includes a ball portion partially protruding from the side surface of the pin 18 and a spring portion that is accommodated in the pin 18 and generates a spring force in accordance with a change in the protruding amount of the ball portion from the side surface of the pin 18. Have. The amount of protrusion of the spring ball 19 from the side surface of the pin 18 is reduced by pressing the spring ball 19 toward the pin 18 against the spring force of the spring ball 19.

  FIG. 8 is a front view showing the fixed base body 9 of FIG. A through-hole 9b is formed in the upper wall of the fixing base body 9 on the brush 3 side so as to communicate the space on the brush 3 side with the cavity 9a. The lower wall of the fixing base body 9 on the bottom surface side of the groove 6a is formed with a through hole 9c through which the space on the bottom surface side of the groove 6a and the cavity 9a communicate with each other than the fixing base body 9 and the screw 8 is inserted. Yes. The amount of protrusion of the spring ball 19 from the side surface of the pin 18 is reduced against the spring force of the spring ball 19, the pin 18 and the spring ball 19 are inserted into the through hole 9b, and the spring ball 19 is inserted into the through hole in the cavity 9a. By protruding from 9b, the protruding amount of the spring ball 19 from the side surface of the pin 18 returns to the original, and the brush 3 is fixed to the fixed base 7.

  FIG. 9 is a side view showing the suction hose portion 14 of FIG. An insertion portion 14 a to be inserted into the insertion port 16 d is formed at the distal end portion of the suction hose portion 14. By inserting the insertion portion 14a into the insertion port 16d, the inside of the suction hose portion 14 and the inside of the accommodation chamber 16a communicate with each other.

  Next, the usage method of the escalator handrail cleaning apparatus 1 which concerns on this embodiment is demonstrated. The fixing base 7 is fixed in advance in the groove 6a of each guide rail 6. Therefore, during normal operation of the escalator, the moving handrail 2 is circulated and moved with the fixed base 7 fixed to the groove 6a. When installing the escalator handrail cleaning device 1 on the escalator, first, the tension of each moving handrail 2 is loosened, and the moving handrail 2 is removed from the portion of the guide rail 6 to which the fixed base 7 is attached. Next, the brush 3 is attached to each fixing base 7, and the suction hose portion 14 is attached to each brush 3. Next, each connection hose part 15 is inserted into each insertion port 6 b from the outside of the guide rail 6, and the tip end part of each connection hose part 15 is connected to the suction hose part 14. Next, the common connection tool part 13 is attached to each connection hose part 15, and the cleaner hose part 12 is attached to the connection tool part 13. Next, the common cleaner 4 provided outside the groove 6 a is attached to the cleaner hose portion 12. Thereby, the hose 5 can guide the dust removed from the back surface 2a by the brush 3 to the cleaner 4 from the inside of the groove 6a. Next, the tension of the moving handrail 2 is returned to the original state, and the back surface 2 a of the moving handrail 2 is brought into contact with the contact portion 17 of the brush 3.

  Next, each moving handrail 2 is circulated and moved while the cleaner 4 is driven. Thereby, dust is removed from the back surface 2 a by the brush 3, and the dust removed from the back surface 2 a passes through each insertion portion 11 and is sucked by the common cleaner 4.

  As described above, according to the escalator handrail cleaning device 1 according to this embodiment, the brush 3 is provided in the groove 6a of the guide rail 6, so that the escalator handrail cleaning device 1 is disposed on the forward path side portion of the movable handrail 2. Can be provided. Thereby, even if it is an escalator in which the member which prevents the contact of the brush with the back surface 2a is provided in the return side part of the movement path | route of the moving handrail 2, the brush 3 is made to contact the back surface 2a of the moving handrail 2 Thus, dust adhering to the back surface 2a of the moving handrail 2 can be removed. Further, since the escalator handrail cleaning device 1 is provided in the forward path portion of the moving path of the moving handrail 2, the dust removed from the back surface 2a falls to the support portion 16 by its own weight and is removed from the back surface 2a. It is possible to prevent dust that has adhered to the back surface 2a from reattaching.

  The brush 3 has a support portion 16 and a contact portion 17 that contacts the back surface 2a of the moving handrail 2. The support portion 16 guides dust from the storage chamber 16a and the outer surface on the brush 3 side into the storage chamber 16a. Since the long hole 16b and the round hole 16c are formed and the inside of the hose 5 communicates with the inside of the accommodation chamber 16a, the vacuum cleaner 4 can effectively suck the dust removed from the back surface 2a by the contact portion 17. it can.

  Further, since the fixed base 7 is provided in the groove 6a of the guide rail 6, the fixed base 7 supports the brush 3, and the fixed base 7 can adjust the distance between the bottom surface of the groove 6a and the brush 3, so that the groove For a plurality of escalators having different depths of 6a, the brush 3 can be reliably brought into contact with the back surface 2a of the guide rail 6 in accordance with the depth of each groove 6a.

  Further, since the brush 3 is detachably attached to the fixed base 7, when the dust is not removed from the back surface 2a of the guide rail 6, the brush 3 is removed from the fixed base 7 so that the brush 3 and the back surface 2a can be removed. Deterioration of the guide rail 6 due to contact can be suppressed, and the life of the guide rail 6 can be extended. Moreover, deterioration of the brush 3 by contact with the brush 3 and the back surface 2a can be suppressed.

  The brush 3 is provided on both of the pair of guide rails 6, and the hose 5 has a pair of insertion portions 11 inserted one by one into the grooves 6 a of the guide rail 6, and removes dust removed from the back surface 2 a. Since it passes through each insertion portion 11 and is guided to the common cleaner 4, the dust can be simultaneously removed from the back surfaces 2 a of both guide rails 6 by driving the cleaner 4. As a result, it is possible to shorten the work time for removing dust adhering to the back surface 2a of the guide rail 6.

  In this embodiment, an escalator has been described as an example of a passenger conveyor, but it may be a moving sidewalk.

  In this embodiment, the brush 3 is in contact with the back surface 2 a of the moving handrail 2 at the upper horizontal portion on the forward path side of the moving path of the moving handrail 2, but the brush 3 is moved by the moving handrail 2. You may contact the back surface 2a in the lower horizontal portion on the forward path side of the path. Further, the brush 3 may be in contact with the back surface 2 a at an inclined portion on the forward path side of the moving path of the moving handrail 2.

  In this embodiment, the groove 6a along the moving direction of the moving handrail 2 is described as an example of the concave portion. However, the groove 6a is not limited to the groove 6a, and may be a hole, for example.

  Moreover, in this embodiment, although the escalator handrail cleaning apparatus 1 which provided the brush 3 in both of a pair of guide rail 6 and removes dust simultaneously from the back surface 2a of both the moving handrails 2 was demonstrated, a pair of guide rail 6 The escalator handrail cleaning apparatus which provides the brush 3 only in one of these and removes dust from the back surface 2a of the one moving handrail 2 may be sufficient.

  1 Escalator handrail cleaning device (passenger conveyor handrail cleaning device), 2 moving handrail, 2a back surface, 3 brush, 4 vacuum cleaner (suction device), 5 hose (suction tube), 6 guide rail, 6a groove (recess), 6b difference Slot, 7 Fixing base (Adjustment base), 8 Screws, 9 Fixing base body, 9a Cavity, 9b Through hole, 9c Through hole, 10 Adjustment collar, 11 Insertion part, 12 Vacuum cleaner hose part, 13 Connecting tool part, 14 Suction hose part, 14a insertion part, 15 connection hose part, 16 support part, 16a storage chamber, 16b long hole (suction hole), 16c round hole (suction hole), 16d insertion port, 17 contact part, 18 pin, 19 Spring ball.

Claims (5)

A brush provided in a recess of a guide rail that guides the moving handrail, and removes foreign matter adhering to the back surface in contact with the back surface of the moving handrail;
A suction device provided outside the recess;
A passenger conveyor handrail cleaning device comprising: a suction pipe for guiding the foreign matter removed from the back surface from the inside of the recess to the suction device. The brush has a support part and a contact part supported by the support part and in contact with the back surface,
The support portion includes a storage chamber for storing the foreign matter, and a suction hole for guiding the foreign matter removed from the back surface from the brush-side surface to the storage chamber.
The passenger conveyor handrail cleaning device according to claim 1, wherein the suction pipe communicates with the accommodation chamber.   3. The passenger according to claim 1, further comprising an adjustment base provided in the recess, supporting the brush, and capable of adjusting a distance between a bottom surface of the recess and the brush. Conveyor handrail cleaning device.   4. The passenger conveyor handrail cleaning apparatus according to claim 3, wherein the brush is detachably attached to the adjustment table. The brush is provided on both of the pair of guide rails,
The suction pipe has a pair of insertion portions individually inserted into the recesses of the guide rails, and passes the foreign matter removed from the back surface through the insertion portions to guide the common suction device. The passenger conveyor handrail cleaning device according to any one of claims 1 to 4, wherein the passenger conveyor handrail cleaning device is provided.

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