JP2900875B2 - Automatic cleaning device for illuminator installed in tunnel - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

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

[0002]

2. Description of the Related Art As shown in FIG. 9, illuminators L composed of a large number of sodium lamps and the like are provided at predetermined intervals along the depth direction on a wall surface in a tunnel, as shown in FIG. Have been. In this tunnel, exhaust gas and dust exhausted from passing vehicles and the like are full, and this causes the front surface, which is the illumination surface of the illuminator L, to become dirty. Therefore, it is necessary to periodically clean this portion. is there.

Conventionally, cleaning of the illuminator L is performed by stopping one lane outside the tunnel, and several workers get into a working vehicle equipped with lifters, and are manually operated by the worker. Had been Therefore, during the work, traffic congestion is inevitable, so that it cannot be carried out frequently, and can be carried out only once every two months.
In addition, since the cleaning work is all performed manually, a large number of workers are required, and the efficiency is low.

[0004]

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

[0005]

According to the present invention, there is provided an apparatus for automatically cleaning a plurality of illuminators installed at predetermined intervals along a depth direction on a wall in a tunnel. A rail laid along the row of the plurality of illuminators on a wall surface in the tunnel, and a cleaning robot for self-propelled along the rail and sequentially cleaning the multiple illuminators. The cleaning robot is configured such that a frame is movably engaged with the rail, and the robot body is movable on the frame in a direction perpendicular to a front surface of the illuminator, A shower device for injecting an appropriate amount of water onto the surface of the illuminator, and a water droplet attached to the front surface of the illuminator are provided on the surface of the robot body facing the illuminator, the surface being opposed to the illuminator. To wipe and finish Finishing apparatus and are, that they are mounted in this order along the running direction opposite to the direction of the robot body, and its features.

When the cleaning robot travels along the rails to reach just before the illuminator, the robot body moves relative to the frame, and the robot body approaches the illuminator. Since the robot body is mounted on the frame while being biased toward the illuminator, when the robot body approaches the illuminator side, the robot body is mounted on a surface of the robot body facing the illuminator. Some finishing devices make elastic contact with the illuminator. For this reason, when the cleaning robot passes through the front of the illuminator, first, an appropriate amount of water is sprayed on the front of the illuminator from a shower device mounted on the front of the robot body, and thereafter, the lighting is performed by the finishing device. Water drops adhering to the front of the luminaire are wiped off, and cleaning of one illuminator is completed. When the cleaning of one illuminator is completed, the robot body retreats by an appropriate amount with respect to the frame. This operation is repeated, and a number of illuminators installed on the tunnel wall are sequentially cleaned. In addition, when the brush cleaning device is provided between the shower device and the finishing device, the dirt on the front surface of the illuminator floats up in a state containing water, and the finishing effect of the wiping cloth performed immediately thereafter is enhanced.

[0007]

Hereinafter, the present invention will be described in more detail with reference to examples. FIG. 1 is a schematic perspective view showing the entire configuration of an automatic cleaning device for an illuminator L according to the present invention, and FIG.
FIG. 3 is a cross-sectional view of the automatic cleaning device in a portion of the illuminator L and a portion of the rail base 4, respectively.
6 are a front view, a left side view, and a plan view of the cleaning robot R, respectively. In FIGS. 1 to 3, a large number of illuminators L arranged at predetermined intervals in the depth direction of the tunnel are each installed on a wall surface W in the tunnel via the support base 1. Rail supports 2a and 2b are fixed to portions of the support base 1 on which the illuminator L is installed and sandwich the illuminator L therebetween. The rail supports 2a and 2b are fixed to the tips of the supports 2a and 2b. , Rails 3a and 3b are respectively laid along the lateral direction (the depth direction with respect to the tunnel). Also, a plurality of rail pedestals 4 are installed between adjacent illuminators L on the wall surface W in the tunnel, and each rail pedestal 4 has a rail 3.
a, 3b are supported.

Next, referring to FIGS. 4 to 6, a cleaning robot R 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 a front portion thereof, and engaging members 13a and 13b are fixed to upper and lower ends of vertical members 12a and 12b forming 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 travel along the rails 3a and 3b.

The substrate 1 fixed to the bottom of the frame F
Guide rails 15a, 15b at the left and right ends of
And fittings 16a and 16b fixed to both left and right end portions of the lower surface of the robot main body 10 are provided on the guide rail 1.
5a and 15b are slidably fitted. As a result, the robot body 10 places the illuminator L on the frame F.
Is mounted so as to be movable in a direction perpendicular to the front surface of the. In addition, each guide rail 15a, 15
Between b, a ball screw 17 for forward and reverse rotation is supported parallel to the said guide rails 15a, 15b by the control motor M _1. 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.
Is supported, and a compression spring 2 is provided between a sliding body 22 slidably fitted to the rod 21 and a front bracket 19a.
The ball screw 24 and the ball screw 17 integrally attached to the sliding body 22 are screwed together. The forward and reverse rotation of the ball screw 17 causes the robot body 10 to rotate.
Moves back and forth along a direction perpendicular to the front surface of the illuminator L. Also, by the restoring force of the compression spring 23,
The robot body 10 is constantly urged forward.

On the front surface of the robot body 10 (the surface opposite to the front surface of the illuminator L), a shower pipe 25, a brush cleaning device B, The finishing device D is mounted in this order. At one end of the front surface of the robot body 10 along the traveling direction P of the cleaning robot R, a shower pipe 25 having a large number of injection ports 25a is attached in a vertical direction. The cleaning device B is mounted.

The brush cleaning device B is composed of three rotating brushes 26, each brush shaft 26a is supported by each bearing box 27 mounted inside the robot body 10, and is disposed at the uppermost position. The brush shaft 2 of the rotating brush 26
6a is rotated by the brush drive motor M _2.
That is, as shown in FIG. 7, the rotation of the drive shaft the brush drive motor M ₂ is transmitted to the brush shaft 26a perpendicular to the drive shaft via a bevel gear 28, which is disposed uppermost The rotating brush 26 is rotated. A chain gear 29 is attached to the rear end of the brush shaft 26a of each rotating brush 26, and the toothed belt 31 is attached to each chain gear 29.
, The rotational force of the brush shaft 26a of the uppermost rotating brush 26 is transmitted to each of the brush shafts 26a of the other two rotating brushes 26, thereby rotating all the rotating brushes. 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.

The finishing device D disposed beside the brush cleaning device B is a device for wiping a portion cleaned by the brush cleaning device B with a wiping cloth C sequentially fed out. As shown in FIGS. 4, 6, and 8, two wiping rolls 32a and 32b are provided on the front surface of the
Are disposed at predetermined intervals along the traveling direction P of the cleaning robot R, and the two wiping rolls 32a and 32b and the windings disposed inside the robot body 10 The wiping cloth C is wound around four rolls including the take-up roll 33 and the unwind roll 34. 2
A water supply pipe 35 is disposed between the wiping rolls 32 of the book, and the water supply pipe 35 is provided with a small hole along the longitudinal direction on the opposing surface of the wiping cloth C, and has a water passage therein. Have been. Then, the wiping cloth C is supplied to the water supply pipe 35.
Is wound on the back side of the wiping roll 3 on the left side.
Give 2a moderate wetness.

The take-up roll 33 is intermittently driven and rotated by a take-up motor M ₃ , and at the same time, a predetermined reverse torque is applied to the take-up roll 34 by a powder clutch 36 and a tension motor M _4. Is always applied, and a predetermined tension is applied to the wiping cloth C to be unwound. By this configuration, the take-up motor M ₃ is operated intermittently, from winding the wipes C, 2 pieces of wiping roll 32a, the front surface of the 32b, the unused portion of the wipe C Appears, and the unused portion of the wiping cloth C wipes the front surface of the illuminator L after brush cleaning. It should be noted that the take-up motor M ₃ is,
With the variable speed motor, the feeding amount can be adjusted according to the state of dirt on the front surface of the illuminator L.

[0014] Further, between the brush cleaning device B and the finishing device D, a solid material attached to the front surface of the illuminator L for removing a solid material which is difficult to remove with the brush cleaning device B. A removal plate 37 is attached along the vertical direction. The solids removing plate 37 is made of a rubber plate, and is integrally attached to the tip of a mounting plate 38 protruding from the front surface of the robot body 10. The front ends 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 solid material removing plate 37 are positioned in the front-rear direction of the robot body 10. Is located at almost the same part along
5 and the water supply pipe 35 are disposed further rearward than this.

The cleaning robot R has self-propelled means (not shown), and the rails 3a,
The vehicle travels at a predetermined speed along 3b. When the cleaning robot R travels on a portion excluding the illuminator L, as shown in FIG. 3, the robot main body 10 is retracted by an appropriate amount with respect to the frame F, and the front surface of the robot main body 10 is The brush cleaning device B and the finishing device D mounted on the device do not interfere with peripheral articles.

[0016] When the cleaning robot R reaches immediately before the illuminator L, which is detected by appropriate means such as a sensor, the activation of the control motor M _1, a predetermined position the robot body 10 with respect to the frame F (See FIG. 2). When the cleaning robot R reaches the front of the illuminator L, the restoring force of the compression spring 23 causes
Each rotating brush 26 mounted on the front of the robot body 10
And the wiping cloth C elastically contacts the front surface of the illuminator L. In this state, the injection port 2 of the shower pipe 25
Cleaning water is sprayed from 5a and sprayed on the front surface of the illuminator L, and subsequently, the rotation of each rotary brush 26 causes dirt to rise with the front surface of the illuminator L containing water. The front surface of the illuminator L is wiped off by the wiping cloth C wound around the take-up rolls 32a and 32b. The wiping cloth C 'is moistened by the water oozing from the water supply pipe 35 disposed between the wiping rolls 32a and 32b, and the illuminator L is illuminated by the wiping cloth C'.
Is wiped off with a dry wiping cloth C, whereby the finishing effect is enhanced. In addition, solids that cannot be removed by washing the rotating brush 26 can also be removed by a solid removing plate 37 provided immediately after the rotating brush 26.

[0017] cleaning robot R passes completely through the front of the illuminator L, which is detected by appropriate means such as a sensor, the activation of the control motor M _1, the robot body 10 to a predetermined position relative to the frame F fall back. This operation is repeated, and many illuminators L installed on the tunnel wall are sequentially cleaned.

[0018]

According to the present invention, a cleaning robot runs by itself along a rail laid along a row of a large number of illuminators on a wall in a tunnel, and a robot body constituting the cleaning robot has a front surface of the illuminator. The shower device disposed on the front of the robot body sprays an appropriate amount of water on the front of the illuminator, and then the cleaning robot moves to illuminate the finishing device. Since the water droplets on the front of the vessel are wiped off, many illuminators installed on the wall of the tunnel can be cleaned unattended by the traveling of the cleaning robot. Also, if a brush cleaning device is arranged between the shower device mounted on the front surface of the robot body and the finishing device, the dirt on the front surface of the illuminator floats up in a state containing water, and the finishing device performed immediately thereafter. Increases the finishing effect.

[Brief description of the drawings]

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

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

FIG. 3 is a cross-sectional view of the automatic cleaning device in a portion of a rail base 4;

FIG. 4 is a front view of the 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 part of a plurality of rotating brushes 26 constituting the brush cleaning device B.

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

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

[Explanation of symbols]

 B: Brush cleaning device D: Finishing device F: Frame L: Illuminator R: Cleaning robot W: Tunnel wall 3a, 3b: Rail 10: Robot body 25: Shower pipe (shower device)

Claims (2)

(57) [Claims] 1. An apparatus for automatically cleaning a large number of illuminators installed at predetermined intervals along a depth direction on a wall surface in a tunnel, wherein the multiple illuminators are provided on a wall surface in the tunnel. And a cleaning robot for self-propelled along the rails and sequentially cleaning the plurality of illuminators, the cleaning robot being capable of running a frame on the rails. The robot body is engaged with the frame, the robot body is movable in a direction perpendicular to the front surface of the illuminator, and the robot body is biased and mounted on the side of the illuminator. On the surface opposite to the illuminator, a shower device for spraying an appropriate amount of water onto the surface of the illuminator and a finishing device for wiping and finishing water droplets attached to the front of the illuminator include a traveling device for the robot body. Opposite direction Along an automatic cleaning device of the illuminator installed in a tunnel, characterized in that it is mounted in this order. 2. A brush cleaning device for brush-cleaning a front surface of the illuminator on which water droplets are adhered is disposed between the shower device and the finishing device on a surface of the robot body facing the illuminator. The automatic cleaning device for an illuminator installed in a tunnel according to claim 1, wherein: