JP2888477B2 - Wall cleaning device - 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 safely and efficiently cleaning walls of buildings and tunnels.

[0002]

2. Description of the Related Art Conventionally, to clean the wall of a building, an operator rides on a gondola that moves up and down along the wall of the building, using an electric brush or deck brush and a cleaning agent. In addition, in order to clean the wall surface in the tunnel, as shown in FIG.
The cleaning device provided with 2) was mounted on the working vehicle (43) and used. The cleaning device is configured to move the rotating brush (42) along the wall (33) of the tunnel (32) to the arm (4).
This is designed to be raised and lowered in 1).

[0003]

The conventional cleaning of the wall of a building is performed by a manual operation of an operator, so that the efficiency of the operation is extremely low and the labor cost is increased. There was a problem of always following. It is conceivable to wash the wall of the building by using a rotating brush (42) similar to the wall (33) of the tunnel (32) described above. However, the washing with the rotating brush (42) involves cleaning liquid and contaminated water around the building. Therefore, if it is performed at a height of several meters to several tens of meters, it has a great effect on the surrounding environment, and it cannot be used for cleaning the wall of the building.

When the wall surface (33) in the tunnel (32) is cleaned by the above-described cleaning device mounted on a vehicle, the rotating brush (42) is attached to the tip of the arm (41). The operating range was limited. That is,
A single rotating brush (4) extends from the lowermost part (44) of the substantially straight side wall surface to the uppermost part (45) of the arcuate ceiling surface.
There is a problem that the cleaning cannot be performed in 2).
Furthermore, although the influence on the surrounding environment is small because the inside of the tunnel (32) is present, the washing liquid and the contaminated water are still scattered, and the worker takes the scattered washing liquid and the contaminated water from the head. However, there is a problem that the user has to work while sucking.

According to the present invention, in cleaning the wall surface as described above, human labor is reduced as much as possible, and even if the cleaning is performed with a large rotating brush, the cleaning liquid contaminated water is not scattered, and furthermore, there is a danger to a high place where there is a danger. It is an object of the present invention to obtain a wall cleaning device that does not require a worker arrangement.

[0006]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems. As a first means, a guide rail is provided on a wall surface of a building, and a rotating brush driven by a motor is used. Only the building wall side is pivotally supported in an open gondola, sealing pieces are provided on the top, bottom, left and right of the open surface of this gondola, and at the bottom there is a means for collecting polluted water and a means for discharging collected polluted water to the ground, A guide wheel running along the guide rail is provided outside the gondola, a winch for lifting and lowering the gondola while suspending the gondola with a wire on a ground vehicle, and a means for supplying water and a cleaning liquid to a rotating brush of the gondola. And a tank containing cleaning water and a cleaning liquid.

As a second means, a guide rail is provided from the upper part of the working vehicle to the lower part of one side, and a means for preventing polluted water from scattering is provided below the guide rail, and a rotary brush driven by a motor is provided. A guide wheel that runs along the guide rails on the gondola, and a winch that lifts and lowers the gondola while suspending the gondola with a wire, and a rotating brush in the gondola with water. And means for supplying a cleaning liquid, and a tank for containing water for cleaning and the cleaning liquid.

[0008]

According to the first means, the gondola is lifted by a winch to the top of the wall surface of the building where the gondola is to be washed, and the means for supplying the water and the washing liquid is operated so that the water and the washing agent mounted on the working vehicle are removed from the tank on the gondola. When the rotating brush is rotated while supplying water and a cleaning agent to the rotating brush, the building wall surface is cleaned. Then, the gondola is lowered while loosening the winch and pulling out the wire at an appropriate speed. The water and the cleaning agent used for washing are turned into polluted water containing dirt, and are discharged to the ground via the draining means through the polluted water collecting means at the bottom of the gondola. At this time, the sealing piece on the lower side of the gondola descends while contacting the wall of the building, so that the falling polluted water scoops and flows down to the bottom of the gondola.

In the second means, the means for supplying water and the cleaning liquid is operated to supply the water and the cleaning agent from the tank of the water and the cleaning agent on the work vehicle to the rotating brush while rotating the rotating brush. Let it. Then, wind the wire around the winch,
Alternatively, raise or lower the gondola at an appropriate speed while pulling out. Then the wall of the tunnel was cleaned,
The polluted water containing the detergent and the dirt falls on the road side through the polluted water scattering prevention means, and is drained to the sewage from a gutter or the like.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, a first embodiment of the present invention will be described with reference to FIGS. In FIG. 1, (1) is a work vehicle based on, for example, a 2-ton truck on which equipment for cleaning a wall (2) of a building is mounted. This work vehicle (1) has a wire (3)
(4), a water tank (5), a cleaning agent tank (6), a compressor or a pump (7), and a power supply (8). , Guide rails (10) and other equipment.

From the rooftop (11) of the building, a gondola (9) having a width of about 3 meters is connected to one or two wires (3) via pulleys (12) installed on the rooftop (11).
Hanged at. On both sides of the gondola (9), a guide rail (10) made of a U-shaped section suspended from the roof (11) of the building is provided with the open surface (3) facing inward. As shown in FIG. 2, guide wheels (13) provided on both sides of the gondola (9) are loosely fitted, and a locking portion (14) provided outside the guide wheels (13) and the guide wheels (13). 13) and the guide rail (1)
0) is loosely fitted. One guide rail (10)
Those having a height of about 4 meters are connected to each other in an appropriate number according to the height of the building to form one, and a buffer (46) is provided on a contact surface with the building wall surface (2).

As shown in FIG. 3, the gondola (9) is in the form of a box whose wall (2) for cleaning is open.
Sealing pieces (15) made of a soft material such as rubber for preventing scattered water are provided on the upper, lower, left and right sides of the open surface. A rotating brush (16) is supported by a shaft (17) at substantially the center of the interior of the gondola (9), and a water tank (21) and a cleaning agent tank (22) are positioned above the rotating brush (16). ) Is provided. The water tank (21) and the cleaning agent tank (22) do not store the entire amount of water or cleaning agent necessary for cleaning, but only temporarily store the necessary amount.

The bottom (19) of the gondola (9) is inclined so that polluted water flows toward the center or one side,
The polluted water is collected and drained to the ground by a hose (20) connected to the lower part of the gondola (9).
The rotating brush (1) is provided on the side of the gondola (9).
A motor (47) for driving 6) is provided. Water tank (21) and cleaning agent tank (2) in gondola (9)
2) is connected to a water tank (5) and a cleaning agent tank (6) mounted on the work vehicle (1) by hoses (23) and (24),
The compressor (7) supplies water and a cleaning agent from the work vehicle (1) side. In addition, rotating brush (16)
The driving motor (47) is connected to a power supply (8) via a power supply line (25) and a control panel (26) mounted on the work vehicle (1).

Next, the cleaning operation by the above-described building wall surface cleaning apparatus will be described. In the above-mentioned building wall cleaning device, when the work site is moved, all the equipment including the gondola (9) and the guide rail (10) is mounted on the work vehicle (1). First, the pulley (27) for the wire (3) is firmly fixed to the edge of the roof (11) of the building so as not to drop or come off. This pulley (27)
Then, the tip is lowered to the ground through a wire (3), attached to the upper end of the uppermost guide rail (10), and the guide rail (10) is pulled up to the rooftop (11) of the building. At this time, the divided guide rails (10) are sequentially pulled up while being connected, and the upper end of the uppermost guide rail (10) is suspended from the roof (11) so as to hang along the wall surface (2) to be cleaned. Secure to the edge.

The guide wheels (13) provided on both sides of the gondola (9) mounted on the carrier of the work vehicle (1).
Is loosely fitted to the guide rail (10), and the guide rail (10) is loosely fitted between the locking portion (14) and the guide wheel (13). When the guide wheel (13), the guide rail (10) and the locking portion (14) loosely fit as specified, the guide rail (1)
The lower end is fixed to the ground or the work vehicle (1) so that tension is applied to 0). Then, the tip of the wire (3) is engaged with a hook (28) provided on the upper part of the gondola (9), and the wire (3) is rewound by the winch (4), and the gondola (9) is put on the roof (11). ) Pull up close.

By operating the compressor (7), the water tank (5) and the detergent tank (6) on the work vehicle (5) are moved from the water tank (21) and the detergent tank (2) on the gondola (9).
2) Supply water and cleaning agent. The required amount is a gondola (9)
When the water and the cleaning agent are accumulated in the upper water tank (21) and the cleaning agent tank (22) and are discharged from the water discharging device (18),
By operating the control panel (26), the rotating brush (16) is gradually rotated to control the rotating speed as required. Then, the gondola (9) is lowered while loosening the winch (4) and pulling out the wire (3) at an appropriate speed.

The wall (2) of the building is a rotating brush (16).
The water is washed with water and a cleaning agent, and the water becomes polluted water containing the cleaning agent, falls to the bottom of the gondola (9), and is drained to the ground from below by a hose (20). At this time, since the lower sealing piece (15) of the gondola (9) descends while contacting the wall surface (2) of the building, as shown in FIG.
The falling polluted water flows down to the bottom (19) so as to scoop. Depending on the degree of unevenness of the building wall (2),
Although some polluted water may scatter from the gap between the sealing piece (15) and the wall surface (2) of the building, it is very slight and has little effect on the surrounding environment.

In the above embodiment, the gondola (9) is guided by the two guide rails (10). In order to prevent swelling, another rail (29) is installed at the center as shown by the dashed line, and the presser wheel (30) provided at the lower center of the gondola (9) is attached to this rail (29). May be loosely fitted. Also, without providing the center rail (29), the presser wheel (30) may be provided below the gondola (9) with the same width as the guide wheel (13) and may be loosely fitted on the guide rail (10). Good.

In the above embodiment, the water tank (21) and the cleaning agent tank (22) are mounted on the gondola (9). ) May be provided solely by the supply from
The cleaning agent may be drawn out by the water supplied from the work vehicle (1). Further, a cleaning agent may be mixed with water on the work vehicle (1) and supplied to the gondola (9).

In the above embodiment, the guide rail (10)
However, the present invention is not limited to this. For example, a wire having an appropriate thickness is suspended from the rooftop (11), and the work vehicle (1) is used as a weight cone. A guide rail (10) may be provided by applying tension to the wire so as not to bend. It is easier to install than the case where a mold is used, but it is inferior in rigidity as a guide rail and has a drawback that it cannot cope with a building that is too high.

Next, a second embodiment of the present invention will be described with reference to FIGS. (31) is a wall (3) inside the tunnel (32).
This is a work vehicle based on, for example, a 2 ton truck equipped with a device for cleaning 3). This work vehicle (31)
A winch (4) for winding the wire (3),
A water tank (5), a detergent tank (6), a compressor or a pump (7), and a power supply (8) are mounted, and the upper part is formed in a substantially semicircular shape so as to cover the left side and the upper part of the work vehicle (31). , A guide rail (34) having a shape in which the lower portion of a substantially vertical “U” is inverted and substantially halved. The guide rail (34) is mounted so as to be movable up, down, left and right by an electric rail driving device (40), and can be adjusted according to the size and height of the tunnel (32).

The right column (3) of the guide rail (34)
At the top of 5), a sealing piece (15) made of a soft material such as rubber for preventing scattering of polluted water is provided substantially vertically, and below the guide rail (34), the sealing piece (15) is provided. Is provided with a continuous waterproof sheet (36). On the guide rail (34), a gondola (37) having guide wheels (13)... Loosely fitted on the guide rail (34) is mounted, and the gondola (37) is suspended by the wire (3) and guided. It goes up and down along the rail (34). Wire (3) is guide rail (34)
Is connected to the winch (4) through a pulley (27) provided near the top of the wire, and this wire (3) is formed with a small hole and passes through the waterproof sheet (36).

A rotary brush (16) is pivotally supported at substantially the center of the gondola (37), and a waterproof motor (47) is provided on the side of the rotary brush (16) for driving.
This motor (47) is connected to a power supply (8) via a control panel (26). A water discharge device (18) is provided at the upper right part of the rotating brush (16). The water discharge device (18) is connected to the water tank (5) via hoses (38) and (39) and the compressor (7). ) And the cleaning agent tank (6).

Next, the cleaning operation by the above-described tunnel wall surface cleaning apparatus will be described. First, the tunnel (32)
The height and size of the guide rail (34) are roughly adjusted according to the height and size of the guide rail (34). Compressor (7)
To supply water and cleaning agent from the water tank (5) and the cleaning agent tank (6) on the work vehicle (5), and when these reach the water discharge device (18) and blow out, the control panel (26) ) To gradually rotate the rotating brush (16) to control the rotating speed as required. Then, the gondola (37) is raised or lowered at an appropriate speed while winding the wire (3) around the winch (4) or loosening the winch (4) and pulling out the wire (3).

The wall surface (33) of the tunnel (32) is washed with the rotating brush (16), water and a cleaning agent, and the contaminated water containing the cleaning agent and dirt falls on the road side through the waterproof sheet (36), and the gutters. It is drained to sewage from such places.

In the wall cleaning apparatus of the above embodiment, "U"
Guide rail (3
Although 4) was used, the present invention is not limited to this, and guide rails having shapes adapted to various tunnel shapes can be used, and by appropriately using the guide rails having various shapes. The wall surface of the tunnel can be cleaned very efficiently. For example, a type in which a horseshoe whose bottom is narrowed down is substantially halved, an inverted “L” shape in which an upper portion is substantially horizontal and a lower portion is substantially vertical, a type in which a “U” character is laid down in a substantially half, Various shaped guide rails (34) are conceivable. When using the guide rail (34) having a substantially horizontal portion as described above, the gondola (37) is not only suspended from one side with the wire (3), but also connected to the wire (3) in both directions. It is necessary to be able to drive with the winch (4) in any direction.

[0027]

Since the present invention is constructed as described above, it is not necessary to clean the building wall manually by an operator in cleaning the wall surface of the building, so that not only the cleaning efficiency is improved but also the worker falls down. This has the effect of eliminating the possibility of an accident. In washing the wall in the tunnel, the gondola supporting the rotating brush goes up and down along the guide rail, and the guide rail can also be adjusted up and down and left and right. This has the effect that the entire top of the arcuate ceiling surface can be cleaned with one rotating brush. Furthermore, since the splashing of the contaminated water is prevented by the waterproof sheet and the sealing piece, the operator is prevented from unnecessarily bathing or sucking the scattered washing liquid or the contaminated water from the head.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing an embodiment of a building wall cleaning apparatus of the present invention.

FIG. 2 is a plan view of the gondola of FIG. 1;

FIG. 3 is a plan sectional view of the gondola of FIG. 1;

FIG. 4 is a cross-sectional view of the gondola of FIG. 1;

FIG. 5 is a side sectional view of the gondola of FIG. 1;

FIG. 6 is a side view showing another embodiment of the gondola of FIG. 1;

FIG. 7 is a front view showing still another embodiment of the gondola of FIG. 1;

FIG. 8 is an explanatory view showing an embodiment of a work vehicle equipped with the tunnel wall cleaning device of the present invention.

FIG. 9 is a side view in which a part of the work vehicle in FIG. 8 is sectioned and omitted.

FIG. 10 is an explanatory view showing a work vehicle equipped with a conventional tunnel wall surface cleaning device.

[Explanation of symbols]

(1) ... work vehicle, (2) ... wall surface of building, (3) ... wire, (4) ... winch, (5) ... water tank, (6) ... detergent tank, (7) ... compressor or pump,
(8) Power supply, (9) Gondola, (10) Guide rail, (11) Building rooftop, (12) Pulley, (1)
3) Guide wheel, (14) Locking part, (15) Sealing piece, (16) Rotating brush, (17) Rotating brush shaft, (18) Water discharging device, (19) Gondola bottom,
(20) ... hose, (21) ... water tank, (22) ... detergent tank, (23) (24) ... hose, (25) ... power supply line, (26) ... control panel, (27) ... pulley , (2
8) ... hook, (29) ... rail, (30) ... presser wheel,
(31) ... work vehicle, (32) ... tunnel, (33) ... wall surface, (34) ... guide rail, (35) ... post, (3)
6) ... tarpaulin, (37) ... gondola, (38) (3)
9) Hose, (40) Rail drive, (46)
Buffer, (47) ... Motor for driving the rotating brush.

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Junko Kobayashi 2356, Katsuno, Nanpo-cho, Otsuki-shi, Yamanashi Prefecture (56) References JP 2-42488 (JP, B2) JP-B 7-3122 (JP, B2) Jiko 5-27600 (JP, Y2) (58) Fields investigated (Int.Cl. ⁶ , DB name) A47L 3/02 A47L 1/02 A47L 11/38 B08B 1/00-1/04 B08B 3/02 B08B 7/04

Claims (2)

(57) [Claims] 1. A guide rail is installed on a wall surface of a building, and a rotating brush driven by a motor is rotatably supported in a gondola which is opened only on the wall surface side of the building. In addition, a collecting means for collecting the polluted water and a means for discharging the collected polluted water to the ground are provided at the bottom, and a guide wheel running along the guide rail is provided outside the gondola, and the gondola is wired to a work vehicle on the ground. A device for cleaning a wall of a building, comprising: a winch that is lifted and lowered while being suspended by a unit; a unit that supplies water and a cleaning liquid to a rotating brush of the gondola; and a tank that contains water for cleaning and a cleaning liquid. . 2. A guide rail is provided from the upper part of the working vehicle to the lower part of one side surface, means for preventing polluted water from scattering is provided below the guide rail, and a rotary brush driven by a motor is supported in a gondola. And
A guide wheel that runs along the guide rail is provided on the gondola, a winch that raises and lowers the gondola while suspending the gondola with a wire, and a unit that supplies water and a cleaning liquid to a rotating brush in the gondola, An apparatus for cleaning a wall surface of a tunnel, comprising a tank for storing water for cleaning and a cleaning liquid.