JPS644040B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a tunnel wall dry cleaning device.

In road tunnels, the walls become dirty due to exhaust gas and mud splashing, and in particular, if the interior panels (referred to as lighting panels) installed along the lower part of the side walls of the tunnel become dirty, it will spoil the aesthetic appearance and reduce the lighting effect. This can significantly reduce the visibility of drivers and cause traffic accidents. Therefore, it is necessary to periodically clean the illumination plate, and various types of cleaning devices have been devised and put into practical use. These devices are generally mounted on a vehicle and are designed to clean a wall surface on the left side in the direction of vehicle travel. Therefore, the rotation angle on the horizontal plane of the arm that supports the brush is at most around 90 degrees between the working position and the storage position, and 180 degrees.
I can't find anything that rotates. Therefore, when cleaning the wall on the passing lane side of a tunnel with two or more one-way lanes, the work must be done while driving face-to-face with general vehicles, and even if passing lanes are regulated, it is difficult to clean. It is a danger. There is also a device that cleans tunnel lighting panels by spraying cleaning solution on them and scrubbing them with a brush, but in this case there are problems in that a large amount of cleaning agent is used and in the drainage treatment of the cleaning solution. In other words, if a large amount of cleaning fluid is drained after use and flows into agricultural canals in areas adjacent to the tunnel, there is a risk of causing pollution, and to prevent this, an appropriate drainage purification facility is required and costs are high. This will not only mean an increase in the number of people in the area, but also difficult land acquisition.

The present invention has been made in order to solve the above-mentioned problems with the conventional methods.The present invention is a dry method that allows cleaning to be performed on either the left or right side in the direction of vehicle travel, and does not use cleaning liquid. The purpose is to provide a tunnel wall dry cleaning device that does not scatter.

For this purpose, the present invention includes a turntable mounted on a vehicle, a post frame tiltably provided at the center of the upper surface of the turntable via a bracket, and a post frame movable along the axial direction of the post frame. A base arm provided, a support arm formed to be able to move in and out of this base arm, a box-shaped brush cover that is tiltably attached to the tip of this support arm via a bracket and a cylinder, and this brush cover. A rotary brush for cleaning a tunnel wall surface, which is pivotally supported at the top and bottom, and a rubber cover for preventing dust scattering, which is attached around the open end of the brush cover and whose tip edge is curved to match the outer shape of the rotary brush. and a dust collector connected to the brush cover via a flexible hose.

Hereinafter, one embodiment of the present invention will be described in detail based on the drawings. In the drawings, reference numeral 1 denotes a rotating brush, which is made of a relatively soft material such as sponge and shaped like a beer barrel, and has a brush cover. The upper and lower sides are supported by shafts 2 and rotated by a drive motor 3. The brush cover 2 covers the rotating brush 1.
It has a box shape and has an opening 2a on only one side, and a rubber cover 4 is attached around the opening end, and the rubber cover 4a on the downstream side is curved to match the outer shape of the rotating brush 1. There is. Furthermore, guide rollers 6 are attached to the upper and lower sides of the brush cover 2 via stays 5, and the position of the guide rollers 6 can be adjusted using an adjuster steering handle 5a. Connection ports 2b and 2c of flexible hoses, which will be described later, are located on both sides of the axis of the rotating brush 1, and one connection port 2c is connected to the other connection port 2.
It is provided so as to be slightly lower than b. Reference numeral 7 denotes a bracket attached to the back side of the brush cover 2, which is pivoted to the tip of a support arm 8. A cylinder 9 is pivoted to the top of the tip of the support arm, and the tip of the rod 9a is attached to the bracket 7. It is pivoted to another bracket 10 mounted above. The support arm 8 is formed to be able to move in and out of the base arm 12 via a cylinder 11, and can expand and contract when the cylinder 11 is actuated. The base arm 12 is movable in the vertical direction, and when the threaded rod 13a of the post frame 13 is rotated, the slider 14 screwed thereon moves up and down along the guide rail 13b. This is because the end of the base arm 12 is fixed to this slider 14. Therefore, the rotating brush 1 moves in the vertical direction (brush axial direction) by the vertical movement of the base arm 12, and the support arm 8 moves in and out (expands and contracts).
The brush can be moved in the horizontal direction (perpendicular to the axis of the brush), and the axis can be tilted by the cylinder 9. Also,
The post frame 13 has a lower end attached to a bracket 1 at the center of the upper surface of a turntable 15 mounted on a vehicle A for drive operation via a base frame E.
The rod 1 of the cylinder 17, which is pivotally supported on the outer periphery of the upper surface of the turntable 15, is attached to the bracket 13b, which is pivotally supported via the turntable 6 and attached to the side of the upper end.
The tip of 7a is pivotally supported. Therefore, when the turntable 15 rotates, the post frame 13 rotates about the threaded rod 13a as a central axis, and is tilted by the operation of the cylinder 17.

On the other hand, 18 is a dust collector, which is mounted on a vehicle B that is towed by the vehicle A, and has connection ports 18a and 18b for suction at its front end, and a connection port 2b between these connection ports and the brush cover 2. , 2c are connected by flexible hoses 19, 19', respectively. This dust collector 18 is equipped with a filter material inside, and the dust sucked in by the action of the blower 20 is passed through the filter material so that the dust can be separated from the air.The separated dust is deposited at the bottom and is cleaned. The air is discharged from the exhaust port 2 of the blower 20.
It is designed to be emitted from 0a. Reference numeral 21 denotes an engine serving as a driving source, and its power is transmitted to the blower 20 via a pulley or centrifugal clutch 22. A compressor 23 is used to prevent the filter of the dust collector 18 from clogging. Reference numeral 24 denotes a cylinder attached to the front and back of the bottom of one side of the dust collector 18, so that the dust collector can be tilted to discharge the dust accumulated at the bottom.

The cleaning device according to the present invention is constructed as described above, and in order to use it, the operating vehicle A is moved slowly while the rotating brush 1 is used to scrub the illumination plate D provided on the side wall of the tunnel C. At the same time,
At the same time, the dust collector 18 may be activated to process the dust. In this work, the rotating brush 1 can be positioned easily and accurately. That is, as mentioned above, the height of the rotating brush 1 can be adjusted by moving the base arm 12 up and down, the lateral extension can be adjusted by extending and contracting the support arm 8, and the inclination can be adjusted by operating the cylinder 9. It is from. In addition, the guide roller 6
comes into contact with the illumination plate D when the rotating brush 1 is extended, and acts as a stopper to prevent the rotating brush 1 from biting into the illumination plate more than necessary.
During work, the rotating brush 1 is moved while rotating along the illumination plate, and can act as a guide so that the rotating brush 1 operates stably. Furthermore, an accumulator is incorporated in the hydraulic circuit that drives the support arm 8, so that when the set pressure changes, the support arm 8 is automatically expanded or contracted to correct the contact pressure of the rotating brush 1 against the illumination plate D. There is,
This maintains the appropriate position of the rotating brush 1 and ensures followability to the illumination plate D as it moves. The dust rubbed off by the rotating brush 1 is prevented from scattering by the brush cover 2, and at this time, the rubber cover 4 closes the gap between the brush cover 2 and the illumination plate D, so that scattering is prevented. This is done more effectively, and no dust leaks outside. And the dust inside the brush cover 2 is
The air is sucked into the dust collector 18 through the flexible hoses 19, 19', and the dust and air are separated as described above, and only the purified air is discharged to the outside from the exhaust port 20a of the blower 20. Dust is deposited at the bottom of the dust collector 18. Inside the brush cover 2, dust is separated into the front and back parts along the axis of the rotating brush 1, but since the brush cover 2 is provided with the connection ports 2b and 2c as described above, the dust is reliably collected through the flexible hose. 19,1
It is sucked into 9'.

By the way, in the case of one-way roads such as expressway tunnels, it is not possible to go in the opposite direction, so it would be a problem if the lighting panels on both sides could not be cleaned with one cleaning vehicle. However, if the device of the present invention is used, the cleaning vehicle can be cleaned as shown in Fig. 4. If the turntable 15 is rotated 180 degrees, the rotating brush 1 can be rotated 180 degrees, so that it is possible to clean both the left lighting board and the right lighting board in the direction of travel. It's summery.

After the cleaning work is completed, vehicles A and B are separated, the flexible hoses 19 and 19' are removed and stored in a predetermined location on vehicle B, and vehicle A is moved so that rotating brush 1 can be stored as shown in FIG. It's getting old. That is, after removing the flexible hoses 19 and 19', the turntable 15 is rotated 90 degrees to position the rotary brush 1 directly behind, and then the cylinder 17 provided on the turntable 15 is operated to remove the post frame 13. The rotary brush 1 can be held in a horizontal state by tilting it forward as much as possible, and finally retracting the support arm 8 and activating the cylinder 9. This is convenient because the vehicle A can be driven without the rotating brush getting in the way during forwarding. On the other hand, vehicle B can also be transported as is, which is convenient.

Note that vehicle B may be a simple dolly (towed vehicle), but in this case, since it cannot run on its own, it must be transported by vehicle A or another towed vehicle during forwarding.
The vehicle A is a special vehicle equipped with a hydraulic pressure extraction device and a power extraction device, and is capable of supplying power by being connected to the cylinder and motor.

As explained above, the present invention is a dry cleaning device that does not use cleaning liquid, so there is no concern about pollution caused by cleaning waste liquid, and the structure does not scatter dust during cleaning, so it is extremely hygienic and This is convenient because it does not obstruct the passage of vehicles in the tunnel during cleaning. Furthermore, according to the present invention, the position of the rotating brush can be adjusted easily and reliably, so cleaning can be carried out under optimal conditions, and since it can be set both to the left and right, it is adaptable to one-way tunnels. It is also excellent, and its effects are extremely noticeable.

[Brief explanation of drawings]

The figures show one embodiment of the present invention, in which Fig. 1 is an elevational view of the cleaning device, Fig. 2 is a plan view thereof, and Fig. 3 is a plan view of the cleaning device.
The figure is a rear view of the main parts when the right set is in use.
Figure 4 is a plan view of the main parts when set to the left, Figure 5 is a mechanism diagram showing the position adjustment of the rotating brush, Figure 6 is a side view of the same, and Figure 7 is an elevation view showing the state when forwarding. be. 1...Rotating brush, 2...Brush cover, 3...
... Drive motor, 4 ... Rubber cover, 6 ... Guide roller, 8 ... Support arm, 9 ... Cylinder, 11 ... Cylinder, 12 ... Base arm, 13 ... Post frame, 14 ... Slider, 15 ... Turntable, 17 ... Cylinder, 18 ... Dust collector, 19 ... Flexible hose, 20 ... Blower.

Claims (1)

[Claims] 1. A turntable mounted on a vehicle, a post frame tiltably provided at the center of the upper surface of the turntable via a bracket, and a base arm movably provided along the axial direction of the post frame. , a support arm that is formed to be able to move in and out of this base arm, a box-shaped brush cover that is tiltably attached to the tip of this support arm via a bracket and a cylinder, and the top and bottom are pivotably supported by this brush cover. a rotary brush for cleaning a tunnel wall surface; a rubber cover for preventing dust scattering, which is attached around the open end of the brush cover and has a tip edge curved to match the outer shape of the rotary brush; A tunnel wall dry cleaning device comprising a dust collector connected via a flexible hose.