JP2785716B2 - 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 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
Frame and the robot body
And the robot body is positioned with respect to the front of the illuminator.
It can be moved vertically and beside the illuminator
The robot body is biased and mounted on the frame,
Is on the surface facing the illuminator, from the front in the running direction
Shower device, brush cleaning device, and finishing device in this order
It is characterized in that it comprises incidentally.

[0006]

When the cleaning robot runs by itself along the rail and reaches 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. The components of the brush cleaning device and the finishing device are in elastic contact with the illuminator. Therefore, when the cleaning robot passes through the front of the illuminator,
First, an appropriate amount of water is sprayed from the shower device mounted on the front of the robot body to the front of the illuminator, and subsequently, the front of the illuminator is cleaned by a brush cleaning device, and thereafter, the wiper of the finishing device is used. The front of the illuminator is wiped, completing the cleaning of one illuminator. 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.

[0007]

EXAMPLES 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 FIGS.
4 is a cross-sectional view of the automatic cleaning device in a portion of the illuminator L and a portion of the rail pedestal 4, respectively. FIGS. 4 to 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. Are the rails 3a,
3b is laid along the lateral direction (the depth direction with respect to the tunnel). 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 rails 3a, 3a.
b is 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.

[0010] on the front of the robot body 10 (front and opposite sides of the illuminator L) includes a sheet <br/> Yawapaipu 25 from the front side of the running direction, a brush cleaning device B, finishing device D
And are 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 2 having a large number of injection holes 25a is provided.
5 is attached along the up-down direction, and a brush cleaning device B is attached to the side of the shower pipe 25.

The brush cleaning device B is composed of three rotating brushes 26, each brush shaft 26a being supported by each bearing box 27 mounted inside the robot body 10, and 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.

A finishing device D disposed on the side of 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 are arranged perpendicularly to the axis of the cleaning robot R. 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. The water supply pipe 35 has a small hole formed in the opposite surface of the wiping cloth C along the longitudinal direction, and has a water passage inside. 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.

[0013] The winding roll 33 and, at the same time is intermittently rotated by a take-up motor M _3, the winding to the output roll 34, a predetermined reverse torque by the powder clutch 36 and the 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 rotating 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 that oozes out of 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.

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

[0019]

According to the present invention, there is provided an automatic cleaning device for illuminators installed in a tunnel, comprising: a rail laid on a wall of the tunnel along the rows of the illuminators; A cleaning robot for running and sequentially cleaning the plurality of illuminators, the cleaning robot comprising:
From the frame that is movably engaged with the robot body
The robot body is perpendicular to the front of the illuminator.
In any direction, and biased toward the illuminator
And mounted on the frame.
On the surface facing the illuminator, place a shutter from the front in the running direction.
Power device, brush cleaning device, and finishing device in this order.
When the cleaning robot reaches the illuminator, the robot body moves forward with respect to the frame, and the respective components of the brush cleaning device and the finishing device mounted on the front face are illuminated. Elastic contact with the front of the container,
After the front of this illuminator is brush-washed with water, it is finished by a finishing device.When the cleaning robot moves away from the illuminator, the robot body retreats from the frame and is installed on the tunnel wall. Many illuminators are automatically cleaned by unattended persons.

[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 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 brush 32a, 32b: wiping roll 33: winding roll 34: unwinding roll 35: water supply pipe 37: solids removal plate

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁶ , DB name) E01H 1/00

Claims (6)

(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-propelling along the rails and sequentially cleaning the plurality of illuminators, the cleaning robot being movably engaged with the rails. Was done
The robot body consists of a frame and a robot body.
Movable in a direction perpendicular to the front of the illuminator;
And it is urged toward the illuminator and attached to the frame.
The robot body faces the illuminator
Shower equipment, brush cleaning from the front side in the running direction
An automatic cleaning device for an illuminator installed in a tunnel , comprising a device and a finishing device in this order . Wherein said brush cleaning apparatus, is composed of a plurality of rotary brushes, mutually adjacent rotating brushes, rotating shaft irradiation
Perpendicular to the front of the lighter and how the cleaning robot moves
So that the cleaning areas overlap by a predetermined amount when viewed from the front.
2. The automatic cleaning device for an illuminator installed in a tunnel according to claim 1, wherein the illuminator is installed in the tunnel. 3. The method according to claim 1, wherein the finishing device is configured to move the robot body.
A long wiping roll is disposed between a front take-up roll, a rear take- out roll, and two wiping rolls disposed between the two rolls and facing the front surface of the robot body. By taking up the wrapping cloth and winding the wiping cloth around the winding roll while applying a reverse torque to the unwinding roll,
The illumination installed in a tunnel according to claim 1, wherein the wiping cloth is configured to perform wiping on an unused portion wound around the two wiping rolls. Automatic cleaning equipment for vessels. 4. The apparatus for automatically cleaning 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 disposed between two wiping rolls, and a wiping cloth is wound around a back side of the water supply pipe, so that both a wet type and a dry type are provided with the water supply pipe as a boundary. 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 substance removing plate is provided between the brush cleaning device and the finishing device.