JPH0892928A - Automatic cleaning device for illuminators installed in tunnels - Google Patents

Abstract

(57) [Abstract] [Purpose] It is an unattended and automatic cleaning work for many illuminators installed on the wall surface in a tunnel. A cleaning robot R in which a shower device, a brush cleaning device B, and a finishing device D are mounted in this order on the front surface of a robot main body 10 mounted in a frame F so as to be movable back and forth, in the direction opposite to the traveling direction. Was manufactured, and rails 3a, 3 were installed along the many illuminators L installed on the wall W of the tunnel.
b is laid and the cleaning robot R is run along the rails 3a and 3b.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for automatically cleaning a large number of illuminators, which are installed on a wall surface in a tunnel at predetermined intervals along a depth direction.

[0002]

2. Description of the Related Art On a wall surface in a tunnel, as shown in FIG. 9, illuminators L including a large number of sodium lamps are installed at predetermined intervals along the depth direction in order to secure a predetermined illuminance. Has been done. In this tunnel, exhaust gas and dust emitted from a passing vehicle and the like are filled, and the front surface which is the illumination surface of the illuminator L is soiled by this, so it is necessary to regularly clean this portion. is there.

Conventionally, in order to clean the illuminator L, one lane outside the tunnel is stopped, several workers board a work vehicle equipped with lifters, and the work is performed manually by the worker. It was being appreciated. Therefore, during work, traffic congestion is inevitable, so it cannot be carried out frequently, and can only be carried out about once every two months.
In addition, since the cleaning work is all performed manually, many workers are required and the efficiency is low.

[0004]

SUMMARY OF THE INVENTION In view of the above situation, an object of the present invention is to automatically and automatically clean a large number of illuminators installed on the wall surface of a tunnel.

[0005]

SUMMARY OF THE INVENTION The present invention for solving the above problems is an apparatus for automatically cleaning a large number of illuminators which are installed on a wall surface in a tunnel at predetermined intervals along the depth direction. From a rail laid along the row of the plurality of illuminators on the wall surface in the tunnel, and a cleaning robot for self-propelled along the rails to sequentially clean the plurality of illuminators. In the cleaning robot, a frame is movably engaged with the rail, the robot main body is movable on the frame in a direction perpendicular to the front surface of the illuminator, and the side of the illuminator is movable. The shower device, which is urged and attached to the robot body, faces the illuminator of the robot body in a direction opposite to the traveling direction,
The brush cleaning device and the finishing device are mounted in this order.

[0006]

When the cleaning robot is self-propelled along the rail and reaches just before the illuminator, the robot main body moves with respect to the frame, and the robot main body approaches the illuminator side.
Since the robot body is attached to the frame while being biased toward the illuminator side, when the robot body approaches the illuminator side, the robot body is attached to the surface of the robot body facing the illuminator side. The respective components of the brush cleaning device and the finishing device that are in contact with each other elastically contact the illuminator. Therefore, when the cleaning robot passes the front of the illuminator,
First, an appropriate amount of water is sprayed onto the front surface of the illuminator from the shower device mounted on the front surface of the robot body, and then the front surface of the illuminator is cleaned by the brush cleaning device, and then the cleaning cloth of the finishing device is used. The front surface of the illuminator is wiped off, and the cleaning of one illuminator is completed. When the cleaning of one illuminator is completed, the robot body retracts by an appropriate amount with respect to the frame. By repeating this operation, many illuminators installed on the wall surface of the tunnel are sequentially cleaned.

[0007]

EXAMPLES The present invention will be described in more detail below with reference to examples. FIG. 1 is a schematic perspective view showing an overall configuration of an automatic cleaning device for an illuminator L according to the present invention, and FIGS.
[Fig. 4] is a cross-sectional view of the automatic cleaning device in the portion of the illuminator L and the portion of the rail pedestal 4, respectively, and Figs. 4 to 6 are a front view, a left side view, and a plan view of the cleaning robot R, respectively. . 1 to 3, a large number of illuminators L, which are arranged at predetermined intervals along the depth direction of the tunnel, are installed on the wall surface W in the tunnel through the support bases 1, respectively. Rail support tools 2a and 2b are fixed to the portions of the support base 1 on which the illuminator L is installed and which are located above and below the illuminator L, respectively, and are fixed to the tips of the support tools 2a and 2b. Are rails 3a,
3b is laid along the lateral direction (the depth direction with respect to the tunnel). In addition, a plurality of rail pedestals 4 are installed between the adjacent illuminators L on the wall surface W in the tunnel, and the rails 3 a, 3 are provided on each rail pedestal 4.
b is supported.

Next, with reference to FIGS. 4 to 6, a cleaning robot R which is self-propelled along the above-mentioned rails 3a and 3b.
Will be described. This cleaning robot R uses the rail 3
The robot body 10 is mounted on a frame F engaged with a and 3b so as to be movable in a direction perpendicular to the front surface of the illuminator L. The frame F is provided with a rectangular frame 11 at its front part, and engaging members 13a and 13b are fixed to the upper and lower ends of the vertical members 12a and 12b forming the left and right ends of the rectangular frame 11, respectively. The fittings 13a and 13b are engaged with the rails 3a and 3b so that the frame F can run along the rails 3a and 3b.

A substrate 1 fixed to the bottom of the frame F
Guide rails 15a and 15b are provided on both left and right ends, respectively.
And the fittings 16a and 16b fixed to the left and right ends of the lower surface of the robot body 10 are provided on the guide rail 1.
5a and 15b are slidably fitted. As a result, the robot main body 10 is mounted on the frame F by the illuminator L.
It is mounted so as to be movable in a direction perpendicular to the front surface of the. Further, the guide rails 15a, 15 on the board 14 are
Between b, a ball screw 17 that rotates in the forward and reverse directions by a control motor M ₁ is supported in parallel with the guide rails 15a and 15b. A pair of brackets 19a and 19b are attached to the lower surface of the robot body 10 along the front-rear direction, and a rod 21 is provided between the brackets 19a and 19b.
Of the compression spring 2 between the sliding body 22 slidably fitted to the rod 21 and the front bracket 19a.
3, the ball nut 24 integrally mounted on the sliding body 22 and the ball screw 17 are screwed together, and the robot body 10 is rotated by forward and reverse rotation of the ball screw 17.
Moves back and forth along a direction perpendicular to the front surface of the illuminator L. Also, due to the restoring force of the compression spring 23,
The robot body 10 is always urged forward.

On the front surface of the robot body 10 (the surface facing the front surface of the illuminator L), along the direction opposite to the traveling direction P of the cleaning robot R, a shower pipe 25 and a brush cleaning device B are provided. The finishing device D and the finishing device D are mounted in this order. A shower pipe 25 having a large number of injection holes 25a is attached to one end of the front surface of the robot body 10 along the traveling direction P of the cleaning robot R. The shower pipe 25 is attached to the side of the shower pipe 25 vertically. Cleaning device B is installed.

This brush cleaning device B is composed of three rotating brushes 26, and each brush shaft 26a is supported by each bearing box 27 mounted inside the robot body 10 and is arranged at the uppermost position. Brush shaft 2 of rotating brush 26
6a is driven and rotated by a brush drive motor M ₂ .
That is, as shown in FIG. 7, the rotation of the drive shaft of the brush drive motor M ₂ is transmitted to the brush shaft 26a orthogonal to the drive shaft via the bevel gear device 28 and is arranged at the uppermost position. The rotating brush 26 is rotated. Further, chain gears 29 are attached to the rear ends of the brush shafts 26 a of the rotary brushes 26, and the toothed belts 31 are attached to the chain gears 29.
The rotating force of the brush shaft 26a of the uppermost rotating brush 26 is transmitted to the brush shafts 26a of the other two rotating brushes 26, so that the rotating shafts are rotated. 26 is driven and rotated. The rotating brushes 26 are arranged so as to overlap each other when viewed from the side, and when cleaning the front surface of the illuminator L, care is taken not to leave uncleaned portions.

Further, the finishing device D disposed on the side of the brush cleaning device B is a device for wiping off the portion cleaned by the brush cleaning device B with the wiping cloth C which is successively fed out, As shown in FIGS. 4, 6 and 8, two wiping rolls 32 a and 32 b are provided on the front surface of the robot body 10 and have their axes centered on the rotary brush 26.
Of the wiper rolls 32a and 32b, which are disposed at a predetermined interval along the traveling direction P of the cleaning robot R and are orthogonal to the axis of the robot R, and the winding provided inside the robot body 10. The wiper cloth C is wound around the four rolls including the take-up roll 33 and the unwinding roll 34. Two
A water supply pipe 35 is provided between the wiping rolls 32 of the book. The water supply pipe 35 has a small hole along the longitudinal direction on the opposite surface of the wiping cloth C, and water is passed inside. Has been done. Then, the wiping cloth C is the water supply pipe 35.
It is wrapped around the back side of the
2a is given an appropriate amount of wetness.

The winding roll 33 is intermittently driven and rotated by a winding motor M ₃ , and at the same time, a predetermined reverse torque is applied to the winding roll 34 by a powder clutch 36 and a tension motor M _4. Is constantly applied, and a predetermined tension is applied to the unwound wipe cloth C. With this configuration, the winding motor M ₃ operates intermittently to wind up the wiping cloth C, so that the unused portion of the wiping cloth C is provided on the front surfaces of the two wiping rolls 32a and 32b. Appears, and the unused portion of the wiping cloth C allows the front surface of the illuminator L after brush cleaning to be wiped off. The take-up motor M ₃ is
With a variable speed motor, the amount of feeding can be adjusted according to the state of dirt on the front surface of the illuminator L.

Further, between the brush cleaning device B and the finishing device D, a solid substance for adhering to the front surface of the illuminator L, which is difficult to remove by the brush cleaning device B, is removed. The removal plate 37 is attached along the vertical direction. The solid matter removing plate 37 is made of a rubber plate and is integrally attached to the tip of a mounting plate 38 that is provided on the front surface of the robot body 10. Each of the rotary brushes 26 constituting the brush cleaning device B, the two wiping rolls 32a and 32b constituting the finishing device D, and the respective tip portions of the solid matter removing plate 37 are arranged in the front-back direction of the robot body 10. It is located in almost the same area along the
5 and the water supply pipe 35 are arranged behind this.

The cleaning robot R described above is provided with a self-propelled means (not shown), and the self-propelled means allows the rail 3a,
It runs at a predetermined speed along 3b. When the cleaning robot R travels in a portion excluding the illuminator L, the robot body 10 is retracted by an appropriate amount with respect to the frame F as shown in FIG. 3, and the front surface of the robot body 10 is moved. The brush cleaning device B and the finishing device D, which are attached to the device, do not interfere with the surrounding articles.

When the cleaning robot R reaches just before the illuminator L, this is detected by an appropriate means such as a sensor, and the control motor M ₁ is activated to move the robot body 10 to a predetermined position with respect to the frame F. (See Figure 2). When the cleaning robot R reaches the front surface of the illuminator L, due to the restoring force of the compression spring 23,
Each rotating brush 26 mounted on the front surface of the robot body 10
The wipe cloth C elastically contacts the front surface of the illuminator L. In this state, the injection port 2 of the shower pipe 25
The cleaning water is sprayed from 5a and sprayed on the front surface of the illuminator L, and subsequently, the rotation of each rotating brush 26 raises the dirt with the front surface of the illuminator L containing water. The front surface of the illuminator L is rubbed and wiped by the wiping cloth C wound around the take-up rolls 32a and 32b. The wiping cloth C ′ is moistened by the water exuding from the water supply pipe 35 arranged between the wiping rolls 32a and 32b, and the illuminator L is caused by the wiping cloth C ′.
The front surface of the sheet is wiped off, and then the surface of the sheet is wiped off with a dry cloth C to enhance the finishing effect. The solid matter that is not removed by cleaning the rotary brush 26 can be removed by a solid matter removing plate 37 provided immediately after the rotary brush 26.

When the cleaning robot R completely passes the front surface of the illuminator L, this is detected by an appropriate means such as a sensor, and the control motor M ₁ is activated to bring the robot body 10 to a predetermined position with respect to the frame F. fall back. By repeating this operation, a large number of illuminators L installed on the wall surface of the tunnel are sequentially cleaned.

The above is merely an embodiment of the present invention, and the present invention can be variously modified within the technical scope described in "Claims". For example, water can be ejected from the central hole of each rotating brush 26 to enhance the cleaning effect. Further, the number of rotating brushes 26 in the brush cleaning device B,
Also, the arrangement thereof can be variously changed in relation to the illuminator L.

[0019]

The automatic cleaning device for an illuminator installed in a tunnel according to the present invention has a rail laid along the row of the plurality of illuminators on a wall surface in the tunnel and a self-rail along the rail. And a cleaning robot for sequentially cleaning the plurality of illuminators, wherein the cleaning robot has a frame movably engaged with the rails, the robot main body being mounted on the frame, and a front surface of the illuminator. Is movable in a direction perpendicular to the illuminator, is urged toward the illuminator, and is mounted on the face of the robot body facing the illuminator in a direction opposite to the traveling direction. The shower device, brush cleaning device, and finishing device are installed in this order, so when the cleaning robot reaches the illuminator part, the robot body moves forward with respect to the frame and is installed in front of it. Has been Each component of the brush cleaning device and the finishing device elastically contacts the front surface of the illuminator, and after the front surface of the illuminator is brush-cleaned in a state containing water, it is finished by the finishing device and the cleaning robot is When the robot is separated from the illuminator, the robot body retracts with respect to the frame, and a large number of illuminators installed on the wall surface of the tunnel are automatically cleaned by an unmanned person.

[Brief description of drawings]

FIG. 1 is a schematic perspective view showing an overall configuration of an automatic cleaning device for an illuminator L according to the present invention.

FIG. 2 is a cross-sectional view of an automatic cleaning device in a portion of an illuminator L.

FIG. 3 is a transverse cross-sectional view of an automatic cleaning device in a portion of a rail pedestal 4.

FIG. 4 is a front view of a cleaning robot R.

FIG. 5 is a left side view of the same.

FIG. 6 is a plan view of the same.

FIG. 7 is a rear view of a driving portion of a plurality of rotary brushes 26 that constitute the brush cleaning device B.

FIG. 8 is a schematic plan view of a finishing device D.

FIG. 9 is a perspective view showing the internal structure of a tunnel.

[Explanation of symbols]

 B: Brush cleaning device C: Wiping cloth D: Finishing device F: Frame L: Illuminator R: Cleaning robot W: Tunnel wall 3a, 3b: Rail 10: Robot body 23: Compression spring 25: Shower pipe (shower device) ) 26: Rotating brushes 32a, 32b: Wiping roll 33: Winding roll 34: Unwinding roll 35: Water supply pipe 37: Solid matter removing plate

Claims (6)

[Claims] 1. A device for automatically cleaning a large number of illuminators installed on a wall surface in a tunnel along a depth direction at predetermined intervals, wherein the plurality of illuminators are installed on a wall surface in the tunnel. And a cleaning robot for self-propelled along the rail to sequentially clean the plurality of illuminators. The cleaning robot enables a frame to travel on the rail. The robot body is engaged with the frame, is movable in a direction perpendicular to the front surface of the illuminator, and is attached to the frame by urging the illuminator side. An illuminator installed in a tunnel, characterized in that a shower device, a brush cleaning device, and a finishing device are mounted in this order on the surface facing the container in a direction opposite to the running direction. Automatic cleaning equipment . 2. The brush cleaning device comprises a plurality of rotating brushes, wherein adjacent rotating brushes are arranged so as to overlap each other by a predetermined amount in a direction orthogonal to the moving direction of the cleaning robot. The automatic cleaning device for an illuminator installed in a tunnel according to claim 1, wherein 3. The finishing device includes a winding roll, an unwinding roll, and a long strip extending between two winding rolls disposed between the winding roll and facing the front surface of the robot body. -Shaped wiping cloth is wound around, and the two wiping rolls in the wiping cloth are wound by winding the wiping cloth on the winding roll while applying a reverse torque to the unwinding roll. The automatic cleaning device for an illuminator installed in a tunnel according to claim 1, wherein the automatic cleaning device is configured to wipe off an unused part wound around the. 4. The automatic cleaning device for an illuminator installed in a tunnel according to claim 3, wherein a reverse torque is applied to the unwinding roll by a powder clutch. 5. A water supply pipe is arranged between two wiping rolls, and a wiping cloth is wound around the back side of the water supply pipe, so that both the wet type and the dry type are separated by the water supply pipe. The automatic cleaning device for an illuminator installed in a tunnel according to claim 3, wherein a wiping cloth can be obtained. 6. The automatic cleaning device for an illuminator installed in a tunnel according to claim 1, wherein a solid matter removing plate is provided between the brush cleaning device and the finishing device.