JP2009298583A - Footstep cleaning device of passenger conveyer - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain a footstep cleaning device of a passenger conveyer by a simple composition capable of easily performing the adjustment work of the cleaning device and work for removing gathering dust etc., without the need for going under footsteps by a worker. <P>SOLUTION: Regarding the footstep cleaning device of a passenger conveyer, the passenger conveyer is equipped with a plurality of the footsteps provided in a truss of the passenger conveyer connected in an endless manner, and circulating and moving in the longitudinal direction of the truss. On one end side in the truss longitudinal direction, the footsteps turn around upside down from the outward side to the returning side, and step surfaces of the footsteps turn downward. On the other end side, the footsteps turn around upside down from the returning side to the outward side, and the step surfaces turn upward. The passenger conveyer is equipped with a brush arranged at a lower part of a footstep returning route for cleaning the step surfaces, a brush supporting means for supporting the brush to be vertically movable to the footsteps on the returning side, and a brush position adjustment means for adjusting a position of the brush vertically to the footsteps on the returning side by operation at a position on a truss end side from a footstep turning part. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a step cleaning device for passenger conveyors.

In a conventional passenger conveyor step cleaning device, a plurality of steps connected endlessly and rotating between the entrance and the exit, and an oil pan installed in the vicinity of the step upside down at the exit And a frame, which collects dust that naturally falls from the tread surface of the step onto the oil pan.
Also, cleaning is performed by ejecting fluid (compressed air) onto the tread, and a plurality of steps that are connected endlessly and rotate between the entrance and the exit, and a step that is turned upside down at the exit An oil pan and a frame installed in the vicinity of the oil pan, and a compressor that blows out fluid by blowing fluid toward the tread surface between the oil pan or the frame and the step that is turned upside down at the entrance or exit. , And sucking the blown-off dust with a suction force of a compressor (see, for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 04-317991

However, in the conventional passenger conveyor step cleaning device disclosed in Patent Document 1, a compressor for applying a high pressure to the fluid and ejecting the fluid is necessary. When performing an adjustment operation or a removal operation of dust remaining in the tray that cannot be sucked by the compressor, there is a problem that it is necessary and complicated for the operator to enter under the step.
In addition, in conventional step cleaning devices for conveyors that collect dust that naturally falls from the step surface of the step to the oil pan, dust that adheres to the step surface and does not fall naturally remains on the step and may not be sufficiently cleaned. There is a problem that there is. This becomes prominent especially when there are many passenger conveyor users, and may cause discomfort to the user.

The present invention has been made to solve the above-described problems, and a first object of the invention is to provide a passenger conveyor step cleaning device capable of sufficiently cleaning the steps of the steps with a simple configuration. It is.
The second object is that passengers who can easily perform these operations without having to go under the steps when adjusting the cleaning device or removing collected dust. A step cleaning device for a conveyor is obtained.

  The passenger conveyor step cleaning device according to the present invention includes a step provided in a truss of a passenger conveyor, a plurality of which are connected endlessly and circulated in the longitudinal direction of the truss, Near one end, the step is turned upside down from the outward side to the return side, and the tread surface of the step is turned downward, and near the other end, the step is turned upside down from the return side to the outward side, and the step surface is turned up In a passenger conveyor, the step is disposed below the return path in which the step is moving downward, and the brush is moved up and down with respect to the brush for cleaning the step surface and the step on the return side. The brush support means for supporting freely, and the step at a position on the truss end side from the reversing portion that vertically flips from the forward path side to the return path side or from the return path side to the forward path side. Created by the configuration and to having a brush position adjusting means for adjusting the vertical position relative to the footstep in the return side of the brush.

The present invention relates to a step cleaning device for a passenger conveyor, and is provided in a truss of a passenger conveyor. Passenger conveyor in which the step is turned upside down from the forward side to the return side and the tread surface of the step is turned downward, and at the other end, the step is turned upside down from the return side to the forward side and the step surface is turned up The step is disposed below the return path where the tread is moving downward, and the brush for cleaning the tread and the brush is movable up and down with respect to the step on the return side Brush supporting means for supporting, and operation at a position on the truss end side from the reversing portion in which the step is turned upside down from the forward path side to the return path side or from the return path side to the forward path side. The brush position adjustment means for adjusting the vertical position of the brush with respect to the step on the return path side has an effect that the step surface of the step can be sufficiently cleaned with a simple configuration. Play.
Moreover, when performing the brush position adjustment operation | work of a cleaning apparatus, there exists an effect that an operation | work can be performed easily, without an operator having to dig into under a step.

  The present invention will be described with reference to the accompanying drawings. Throughout the drawings, the same reference numerals indicate the same or corresponding parts, and redundant description thereof will be simplified or omitted as appropriate.

Embodiment 1 FIG.
1 and 2 relate to Embodiment 1 of the present invention, FIG. 1 is a side view of a machine room portion of a passenger conveyor, FIG. 2 is an enlarged side view of the step cleaning device in FIG. 1, and FIG. It is an arrow view seen from the direction shown by the arrow A in FIG. 2, a plan view of the step cleaning device, FIG. 4 is a cross-sectional view taken along the section BB in FIG. 2, and FIG. FIG. 6 is a cross-sectional view taken along the line DD in FIG. 2, FIG. 7 is a side view showing a state where the brush of the step cleaning device is raised and brought into contact with the step, and FIG. FIG. 9 is a side view showing a state in which the rod is removed from the holder, and FIG. 9 is a side view showing a state in which the dust tray of the step cleaning device is pulled out from below the step.
In the figure, reference numeral 2 denotes a truss of the passenger conveyor 1, and both longitudinal ends thereof are supported by a building where the passenger conveyor 1 is installed. A plurality of endlessly connected steps 3 are provided in the truss 2 and circulate in the longitudinal direction of the truss 2, and the steps 3 are on the forward side near one end in the longitudinal direction of the truss 2. The tread surface 3a of the step 3 is turned downward from the upside to the return side, and the step 3 is turned upside down from the return side to the forward side near the other end, and the tread 3a is turned up.
An oil pan 4 is installed at the bottom of the truss 2 so as to cover almost the entire surface thereof.

A step cleaning device is provided at an arbitrary position below the return path where the step 3 is moving with the tread surface 3a facing downward (for example, in the vicinity of a reversing portion where the step 3 is inverted upside down from the return path side to the forward path side). A main body 5 is disposed, and the step cleaning device main body 5 is configured as follows.
That is, a dust tray 6 that receives and collects dust falling from the step 3 is attached to the upper surface of the oil pan 4, and the dust tray 6 includes a press guide 7 fixed to the upper surface of the oil pan 4 and It is held at a predetermined position by the stopper 8.
Here, the presser guide 7 is substantially Z-shaped, and is disposed on both sides of the dust tray 6 in the width direction of the truss 2 at the predetermined position so as to move upward and in the width direction of the truss 2. The dust tray 6 is prevented from moving and the sliding of the dust tray 6 in the longitudinal direction of the truss 2 is guided. The stopper 8 is substantially Z-shaped and is disposed on the side opposite to the truss end of the dust tray 6 at the predetermined position to prevent the dust tray 6 from moving in the direction toward the end of the truss. is doing.

A pair of brush guides 9 having a substantially U-shaped cross section are arranged on the upper surface of the dust tray 6 so as to be parallel to the width direction of the truss 2 and with the recessed portions facing each other. Has been.
Reference numeral 10 denotes a brush mounting tool having a brush 11 for cleaning the tread surface 3a of the step 3 mounted on the upper surface thereof. The brush mounting tool 10 is arranged so that its longitudinal length is parallel to the width direction of the truss 2. The guide portions 10a each having a shape bent substantially perpendicularly to the lower side are formed at both ends of each of the guide portions 10a, and each of the guide portions 10a is slidably engaged with the recessed portion of the brush guide 9. .
In this manner, the brush 11 is supported by the brush support means including the brush guide 9 and the brush attachment 10 so as to be movable up and down with respect to the step 3 on the return path side.

Brackets 12 are respectively attached to the truss end sides of the pair of brush guides 9, and a lever 13 having a substantially L shape is attached to each of the brackets 12 at the central bent portion thereof. It is attached so that it can rotate freely.
The lever 13 is arranged such that one arm (brush side arm 13a) is disposed on the opposite side of the truss end in the horizontal direction and the other arm (rod side arm 13b) is disposed on the upper side. A horizontal elongated hole 13c having a long diameter in a substantially horizontal direction is formed in the brush side arm portion 13a arranged on the side opposite to the truss end as viewed.
Each of the pair of brush guides 9 is provided with a vertical long hole 9a having a long diameter in the vertical direction, and the second pin 14b is passed through the horizontal long hole 13c and the vertical long hole 9a. In addition, the brush fitting 10 is screwed onto the guide portion 10a.

A rod 15 disposed substantially horizontally toward the truss end side of the lever 13 is provided at the end of the rod side arm portion 13b disposed on the upper side when viewed from the rotation center of the lever 13. The pins 14c are rotatably connected.
Below the truss end side of the rod 15, that is, below the end portion on the opposite lever side, a holding tool 16 is fixedly erected on the upper surface of the oil pan 4. A U-shaped hole 16a having an oval shape with an open top is provided.
The U-shaped hole 16a is inserted with a screw rod portion 15a threaded on the end of the rod 15 on the side opposite to the lever, and then, by two nuts 17 screwed into the screw rod portion 15a. The rod 15 is fixed by being fastened from both sides of the U-shaped hole 16a.
Here, the rod 15 has a sufficient length so that the end portion on the side opposite to the lever is not positioned below the step 3, and the holding tool 16 has the step 3 on the return side. It is arranged on the truss end side with respect to the reversing part that is turned upside down from the forward path side.

In such a configuration, by performing a predetermined operation on the brush position adjusting means including the lever 13, the rod 15, the holder 16, and the nut 17, the vertical position of the brush 11 with respect to the step 3 is set. Can be adjusted.
That is, when the nut 17 is turned and the fastening position is moved to the opposite truss end side of the screw rod portion 15a, the rod 15 is attracted to the holder 16 and moved to the truss end side. . Then, the rod side arm portion 13b of the lever 13 connected to the rod 15 by the third pin 14c is pulled toward the truss end side, and the lever 13 rotates, that is, the brush side arm portion. 13a rotates upward.
When the brush side arm portion 13a of the lever 13 rotates upward, the second pin 14b sliding in the horizontal elongated hole 13c of the brush side arm portion 13a is moved to the vertical direction of the brush guide 9. It is guided by the long hole 9a and moves upward, the brush fixture 10 is lifted up, and the position of the brush 11 is raised.
On the other hand, when the nut 17 is turned to move the fastening position to the truss end side of the screw rod portion 15a, the rod 15 is pushed out with respect to the holding tool 16 and the end of the counter truss end. Move to the side. Then, the rod side arm 13b of the lever 13 connected to the rod 15 by the third pin 14c is pushed out to the opposite truss end side, and the lever 13 rotates, that is, the brush side arm. 13a rotates downward.
When the brush side arm portion 13 a of the lever 13 rotates downward, the second pin 14 b sliding in the horizontal elongated hole 13 c of the brush side arm portion 13 a is moved to the vertical direction of the brush guide 9. Guided by the long hole 9a and moved downward, the brush fixture 10 is lowered downward, and the position of the brush 11 is lowered.
As described above, the position of the brush 11 is raised or lowered by turning the nut 17 and adjusted so that the position of the brush 11 is most appropriate for the step 3 (FIG. 7).

When carrying out maintenance work such as removing dust accumulated in the dust tray 6, first, the nut 17 is loosened and the rod 15 is removed from the holder 16 (FIG. 8). Next, when the rod 15 is pulled toward the truss end side, the dust tray 6 is drawn toward the truss end side while being slidably guided by the presser guide 7 and pulled out from a position below the step 3. (FIG. 9).
In this state, maintenance work such as removing dust accumulated in the dust tray 6 is performed. Further, the work may be performed after carrying the dust tray 6 from this state to a place convenient for the work.
When the dust tray is returned to a predetermined position, the dust tray 6 is engaged with the presser guide 7 and is moved to the opposite truss end side until the dust tray 6 comes into contact with the stopper 8. Push in.

In the passenger conveyor step cleaning device configured as described above, a brush for cleaning the step surface is disposed below the return path where the step is moving with the step surface facing downward, and this step is supported against the step by the brush support means. By supporting the brush so as to be movable in the vertical direction, it is possible to sufficiently clean the step surface of the step with a simple structure, and a lever that moves the vertical position of the brush with respect to the step by rotating, and one end of the lever A rod that is connected to a lever and has the other end disposed on the truss end side with respect to the reversing portion, and is provided with the brush position adjusting means. Thus, the brush can be easily adjusted to an appropriate position without the operator getting under the step.
A dust tray that receives and collects dust falling from the step is arranged so that it can be pulled out from below the step by an operation at a position closer to the truss end than the reversing part. And a stopper guide for preventing the movement of the dust tray in the truss longitudinal direction and a stopper for preventing the dust tray from moving from a predetermined position toward the end of the truss. Therefore, when performing adjustment work of the cleaning device or removal work of collected dust, it is not necessary for the operator to go under the steps, and these work can be easily performed. It is possible to easily return the dust tray and the brush attached thereto to an optimum position later.

In addition, the rod for adjusting the position of the brush disposed below the step is disposed substantially horizontally, and the vertical position of the brush can be easily adjusted by a simple configuration in a narrow gap between the step and the oil pan. It is possible to adjust.
In this way, by disposing the step cleaning device below the step, it interferes with the drive unit that drives the passenger conveyor and the control panel that controls the operation that are arranged in the space on the truss end side from the step reversing part. Can be minimized.
The step cleaning device may be installed only on one end side of the truss, or of course, may be installed on both end sides. Needless to say, the present invention can be applied not only to escalators but also to general passenger conveyors such as traversers (moving sidewalks).

It is a side view of the machine room part of the passenger conveyor in Embodiment 1 of this invention. It is the side view to which the step cleaning apparatus in FIG. 1 in Embodiment 1 of this invention was expanded. It is an arrow view seen from the direction which arrow A in Drawing 2 shows in Embodiment 1 of this invention, and is a top view of a step cleaning device. It is sectional drawing by the cross section BB in FIG. 2 in Embodiment 1 of this invention. It is sectional drawing by the cross section CC in FIG. 2 in Embodiment 1 of this invention. It is sectional drawing by the cross section DD in FIG. 2 in Embodiment 1 of this invention. It is a side view which shows the state which raised the brush of the step cleaning apparatus in Embodiment 1 of this invention, and contacted the step. It is a side view which shows the state which removed the rod of the step cleaning apparatus in Embodiment 1 of this invention from the holder. It is a side view which shows the state which pulled out the dust tray of the step cleaning apparatus in Embodiment 1 of this invention from step bottom.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Passenger conveyor 2 Truss 3 Step 3a Tread 4 Oil pan 5 Step cleaning apparatus main body 6 Dust tray 7 Presser guide 8 Stopper 9 Brush guide 9a Vertical long hole 10 Brush attachment 10a Guide part 11 Brush 12 Bracket 13 Lever 13a Brush side arm part 13b Rod side arm portion 13c Horizontal long hole 14a First pin 14b Second pin 14c Third pin 15 Rod 15a Screw rod portion 16 Holder 16a U-shaped hole 17 Nut

Claims (4)

Provided in a truss of a passenger conveyor, a plurality of endlessly connected steps, and a step that circulates and moves in the longitudinal direction of the truss, the step from the forward side to the return side near the longitudinal end of the truss In the passenger conveyor where the tread of the step is turned upside down and the tread is turned upside down from the return side to the forward side near the other end,
A brush that is disposed below the return path in which the step is moving with the tread downward, and that cleans the tread;
Brush support means for supporting the brush in a vertically movable manner with respect to the step on the return path side;
Up and down direction with respect to the step on the return path side of the brush by an operation at a position on the truss end side from the reversing portion where the step is inverted up and down from the forward path side to the return path side or from the return path side to the forward path side A passenger conveyor step cleaning device comprising brush position adjusting means for adjusting a position. The brush position adjusting means includes
A lever that moves a vertical position relative to the step on the return path side of the brush by rotating;
2. The passenger conveyor step cleaning device according to claim 1, further comprising: a rod having one end connected to the lever and the other end disposed closer to the truss end than the reversing unit. The step is disposed below the return path where the step is moving downward, and includes a dust tray that collects dust and the like falling from the step.
The dust tray is disposed so that the dust tray can be pulled out to a position closer to the truss end than the reversing portion by an operation at a position closer to the truss end than the reversing portion. The step cleaning device for passenger conveyors according to any one of 2 above. While restraining the dust tray from moving from a predetermined position in the upward direction and the truss width direction, a presser guide for guiding sliding of the dust tray in the truss longitudinal direction;
A stopper that prevents the dust tray from moving from a predetermined position toward the end of the truss;
4. The passenger conveyor step cleaning device according to claim 3, wherein the brush support means is attached to an upper surface of the dust tray.

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