JPH0318944B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an automatic coating device for building roof surfaces, which is used for automatically painting building roof surfaces.

[Conventional technology]

Many factory roofs are covered with folded steel roofing plates, and the surface coating may peel off over the years, requiring the roof surface to be repainted.

Conventionally, when painting the roof of a building, a worker climbs onto the roof, uses a lifeline to manually prepare the surface from the ridge to the eaves, and then paints the surface. was.

[Problem that the invention seeks to solve]

However, in traditional manual work,
Not only was the work inefficient, but the roofs of large buildings were high and sloped, making the work unsafe.

For example, when painting vertical surfaces other than the roof of a building, such as building walls and tank walls, painting of curved surfaces such as the hull of a ship has been done automatically using mechanization. A device capable of this has been proposed and put into practical use.

However, such automatic painting equipment is applied to objects that have a smooth surface to be painted, and is also applied to objects that have a relatively heavy structure because the painting equipment itself is large and heavy. Therefore, the automatic painting apparatus described above cannot be applied where the surface to be painted is uneven and the object to be painted has a relatively light structure.

Therefore, in the past, automatic painting equipment was used to automatically and efficiently paint the roofs of buildings where the surfaces to be painted were uneven and the objects to be painted were light in structure and could not withstand the loading of heavy objects. There was nothing I could do.

Therefore, the present invention focuses on making it possible to automatically perform painting work on building roof surfaces without relying on human power, and it is possible to easily move the building roof surface, which has a limited load capacity and an extremely uneven surface. The present invention aims to provide an automatic coating device for building roof surfaces that enables uniform painting work, reduces dangerous work at high places, and allows work to be performed safely and efficiently.

[Means for solving problems]

The present invention provides a base treatment brush, a drive device for rotating the base treatment brush, a painting spray nozzle located at a separate position from the base treatment brush, and the spray nozzle, which are mounted on a trolley having moving wheels. A base treatment coating unit equipped with a spray coating unit for supplying a coating solution to the surface of the building; The base treatment coating unit is connected to a winch installed on the traveling truck via a rope, and by lowering or hoisting the rope with the winch, the base treatment coating unit coats the roof surface from the ridge. The unit is moved toward the eaves or vice versa, from the eaves to the ridge, so that surface preparation and painting work can be done on the roof surface during this time.When shifting toward the ridge, the surface preparation and painting unit is placed on a traveling trolley. The structure is such that the

[Effect]

By mounting the base treatment coating unit on a traveling vehicle that can travel in the direction of the ridge, the base treatment coating unit can be freely shifted in the direction of the ridge of the roof surface and set at any position.

Once the work position for the base treatment painting unit is determined, a rope is lowered by a winch and the base treatment painting unit is lowered from the top of the traveling trolley onto the roof surface.
The base treatment coating unit is lowered or raised along the slope of the roof surface toward the eaves while rotating the base treatment brush by the drive device for the base treatment brush, thereby performing the base treatment work. Once the surface preparation work has been completed up to the eaves, a winch is used to wind up the rope and the surface preparation coating unit is pulled up while the coating liquid is sprayed onto the roof surface from the spray nozzle, thereby painting the roof surface where the surface preparation work has been completed. be able to.

〔Example〕

Embodiments of the present invention will be described below with reference to the drawings.

The automatic painting apparatus of the present invention comprises a base treatment coating unit 1 and a traveling carriage 2 on which the base treatment coating unit 1 can be placed.

FIGS. 1 and 2 show one embodiment of the present invention, and the base treatment coating unit 1 has the following construction. That is, a cart 4 has wheels 5 on the front, rear, left and right sides so that it can run on the upper surface of the roof 3 of a building.
A hood 6 is attached to the front side of the hood 6 so as to be located in front of the front wheels, and a base treatment brush 7 located inside the hood 6 is rotatably mounted on the tip of an arm 8 that is tiltably supported on the trolley 4. A tilting device 9 is provided between the end of the arm 8 and the upper surface of the trolley 4 so that the base treatment brush 7 can be vertically displaced. A chain or belt 11 for power transmission is placed between the drive motor 10 and the shaft of the base treatment brush 7, and the base treatment brush 7 is rotated by the drive motor 10 to perform the base treatment work on the roof surface. do it like this. Furthermore, an exhaust fan 12 and a spray painting unit 13 are installed on the trolley 4,
The inside of the hood 6 is partitioned in the front and back direction by a partition wall 14, and the inside of the rear hood 6a where the base treatment brush 7 is located is communicated with the exhaust fan 12 via a hose 15. The dust generated by the processing work is sucked in by the exhaust fan 12 through the hose 15 and discharged, and an appropriate number of spray nozzles 16 for painting are connected to the spray painting unit 13 in the front hood 6b. is opened toward the roof surface so that the coating liquid can be sprayed onto the roof surface.

On the other hand, the traveling trolley 2 supports the base treatment coating unit 1 so as to move it along the roof surface, and moves the base treatment coating unit 1 on it in the direction of the ridge near the ridge of the building roof 3. 3
In order to allow the surface of the trolley to travel over unevenness caused by the corrugations of the roof board, roof tiles, etc., the trolley body 1
7 is equipped with a track running section 18, and the truck body 17 is made large enough to carry the base treatment coating unit 1, and on one side of the truck body 17,
A skid 19 is installed in a tiltable manner to allow the front, rear, left, and right wheels 5 of the base treatment coating unit 1 to pass between the top of the truck body 17 and the top of the roof 3.
In addition, a vacuum suction device 20 is provided on the trolley body 17 as a locking device to prevent the entire body from sliding down toward the eaves along the slope of the roof surface. 20
It is designed so that it can be attached to the roof surface and fix the whole thing. Furthermore, a winch 2 is mounted on the truck body 17.
1 is installed, and the tip of the wire rope 22 wound around the drum of the winch 21 is tied to the rear end of the trolley of the base treatment coating unit 1, and the winch 21
The base treatment coating unit 1 can be moved between the ridge part and the eaves through the wire rope 22 by driving the hood 6 of the base treatment painting unit 1.
Limit switches 23 and 24 are provided at the front end and the tip of the skid 19, respectively. The relationship between the limit switches 23 and 24 and each driving section is as follows. First, when the limit switch 23 is activated, the drive of the winch 21 is stopped, and the drive motor 10 of the base treatment brush 7 is also stopped, and after a predetermined period of time, the limit switch 23 is turned off and the winch 21 is driven in reverse. At the same time, the operation of the spray coating unit 13 is started. On the other hand, limit switch 24
When the winch 21 is activated, the drive of the winch 21 is stopped, and the operation of the spray painting unit 13 is also stopped, so that the winch 21 can be restarted in the same direction after a predetermined period of time has elapsed.

Incidentally, after the limit switch 23 is activated, the winch 21 is driven in the reverse direction and the spray coating unit 13 is started to operate by an operator's operation.

If you want to perform surface preparation and painting on one side of the building roof 3, first, use a truck or the like to place the traveling trolley 2 on top of the gable of the roof 3, and then use the vacuum suction device 20.
The traveling trolley 2 is fixed to the roof 3 using. Next, the base treatment coating unit 1 is placed on the traveling truck 2, and the wire rope 22 wound around the drum of the winch 21 is attached to the truck 4 of the base treatment coating unit 1.
Fix it to the surface and prepare the groundwork and paint work to begin.

In this state, the base treatment coating unit 1 is suspended by the winch 21 via the wire rope 22, so by driving the winch 21 and letting out the wire rope 22, the base treatment coating unit 1 is suspended due to the slope of the roof surface. Start moving towards the eaves. When the base treatment brush 7 reaches the lowest position of the skid 19, the base treatment brush 7 is brought into contact with the roof surface, and then the drive motor 10 is driven and the winch 21 is rotated while the base treatment brush 7 is rotated. Unwind the base treatment coating unit 1 at the.
During this time, the exhaust fan 12 is operated to remove the rear hood 6a.
The interior is kept under negative pressure, and the dust generated during surface preparation work is sucked out and discharged. When the base treatment work is carried out up to the eaves, the limit switch 23 detects the edge of the roof and stops driving the winch 21, the drive motor 10, and the rotation of the base treatment brush 7.

Next, the spray coating unit 13 is activated to spray the coating liquid from the spray nozzle 16 onto the roof surface, and the winch 21 is driven in the opposite direction to the above to move the base treatment coating unit 1 from the eaves to the ridge via the wire rope 22. Painting on the roof surface begins by pulling it up to the side. When the base treatment coating unit 1 is pulled up by the winch 21 and reaches the limit switch 24 installed at the tip of the skid 19, the limit switch 24 is activated to stop the drive of the winch 21, and at the same time, the lifting of the base treatment coating unit 1 is stopped. The operation of the spray painting unit 13 is stopped. As a result, the roof surface is coated in the width of the spraying range of the spray nozzle 16. At this time, in the present invention, the spray nozzle 16 is located in front of the base treatment brush 7, and the wheels 5 are located behind the base treatment brush 7, so that when the base treatment coating unit 1 is pulled up in the backward direction. Since the painting is performed at the same time, the roof surface immediately after painting is not damaged by the wheels 5, and when descending the slope of the roof surface, the ground preparation work is performed, and when ascending from the same place. Since the painting work can be carried out by the base treatment painting unit 1, the work can be done with high efficiency, and
Because it is painted on the roof surface immediately after the surface preparation work,
A high quality coating surface can be formed.

When the base treatment painting unit 1 is supported by the winch 21 on the traveling truck 2 and reciprocates between the ridge and the eaves, the base treatment painting unit 1 is then pulled up further and the truck 4 of the unit 1 is moved to the traveling truck 2. be mounted on top. Next, the vacuum suction device 20 is released, and the traveling unit 18 is driven to move the traveling carriage 2 in the direction of the ridge. When the base treatment coating unit 1 moves in the direction of the ridge, the running of the carriage 2 is stopped and the carriage 2 is fixed to the roof surface by a vacuum suction device 20.

Thereafter, in the same manner as described above, move the base treatment coating unit 1 from the top of the traveling trolley 2 to the roof 3, move the base treatment painting unit 1 to the eaves to perform the base treatment work, and when the vehicle is pulled up, perform the painting work.
By repeating the above operations while sequentially shifting toward the ridge, the surface preparation and painting of the roof surface are automatically performed.

Once one side of the roof 3 has been painted in this way, this device is moved to the next roof surface to be painted using a retoucher, or if the roof is a one-sided roof that slopes only to one side, the retoucher is used. Lower it to the ground using a vehicle, etc. and remove it.

It should be noted that the present invention is not limited to the above-mentioned embodiments. For example, it may be possible to paint both sides of a roof at the same time, without painting both sides of the roof one by one. You can also. That is, as shown in FIG. 3, the traveling carts 2 are positioned symmetrically at the ridge portion of the top of the roof, and a frame 25 is provided on the upper surface of both carts 2, which forms a housing section for the base treatment coating unit 1, and the roof At both ends of the girder 26, which is arranged so as to straddle the ridge of the
The traveling carts 2 on both sides are mutually supported via the girders 26, and both sides of the roof are simultaneously painted by the reciprocating motion of the base treatment coating unit 1 in the same manner as in the example shown in FIG. For movement toward the ridge, the traveling carts 2 on both sides of the roof are made to travel at the same time. If you place this device symmetrically on both sides of the roof and paint at the same time,
In addition to being able to paint a wide roof surface with high efficiency, since it straddles the ridge, it will not slide along the slope of the roof, making it safe even without a fixing device to the roof, and the slope angle of the roof can be adjusted. Even if the angle changes, since the pin 27 connects the girder 26 and the traveling carriage 2, there are advantages such as being able to easily adapt to the angle change.

In addition, in the embodiments shown in FIGS. 1 and 2, the running part 18 of the running trolley 2 is of an endless track type so that it can easily run on the uneven surface of the roof, but instead of this system, for example, , a base plate with a rail extending in the direction of the ridge is constructed on the ridge of the roof 3, and a running cart 2 with wheels is placed on the base plate, and wheels attached to the side of the ridge of the running cart are mounted on the rail. They may be engaged. According to this example, there are advantages such as smooth movement of the carriage 2 in the direction of the ridge, and safety as the rail prevents the carriage from falling off without the need for any special fixing device to the roof of the carriage.
In addition, in the embodiments shown in FIGS. 1 and 2, an example of the vacuum suction device 20 is shown, but a jig for fixing using the roof groove surface may be used, or any other possible fixing means may be used. , you may adopt them.

〔Effect of the invention〕

As described above, according to the automatic painting apparatus for building roof surfaces of the present invention, there is provided a traveling trolley capable of moving the ridge portion of the roof surface in the ridge direction, a base treatment brush mounted on the front side of the trolley, and a base treatment brush for the base treatment. It consists of a base treatment coating unit that is equipped with a spray nozzle for the coating liquid separately from the treatment brush, and the base treatment painting unit is suspended from a winch on a traveling trolley via a wire rope and applied to the ridges of the roof and the eaves. When the base treatment painting unit moves toward the eaves, it performs the base treatment work.
The base treatment painting unit is designed to perform painting work when moving from the eaves to the ridge.
The following excellent effects can be achieved.

() Painting the roof of a building can be done automatically without manual effort, increasing work efficiency and safety, and uniformly painting the roof.

() Just by mounting this device on the roof, you can start work immediately, reducing the setup work required for construction work.

() The base treatment painting unit performs the base treatment work as it moves along the roof surface toward the eaves, and then performs the painting work on the way back, so it is possible to efficiently perform the base preparation and painting work, and also to paint the roof immediately after the base treatment work. Since the surface is painted, a high quality coating surface is formed.

() Shifting the base treatment coating unit in the direction of the ridge is very easy as it is mounted on a traveling trolley.

() Even large roof surfaces can be painted in a short time, and the only dead space that cannot be painted with this device is the range of movement of the trolley in the direction of the ridge, making it possible to completely paint even the most dangerous eaves.

() It is relatively compact and the load on the roof is reduced.

() Although the example shows the case where the entire roof surface is painted, in the method according to the present invention, the painting position is controlled by the position of the traveling trolley that can travel in the direction of the ridge and the painting unit that moves up and down in the direction of the eaves. It is possible to partially repair or draw letters etc. on the roof surface.

[Brief explanation of the drawing]

FIG. 1 is a side view showing one embodiment of the automatic painting device of the present invention, FIG. 2 is a schematic perspective view of FIG. 1, and FIG. 3 is a side view showing another embodiment of the automatic painting device of the present invention. It is. 1 is a base treatment painting unit, 2 is a traveling truck, 3
1 is a roof, 4 is a trolley, 5 is a wheel, 6 is a hood, 7 is a base treatment brush, 10 is a drive motor, 13 is a spray painting unit, 18 is a running section, 19 is a skid, 20 is a vacuum suction device, 21 is a winch,
22 indicates a wire rope.

Claims (1)

[Claims] 1 A base treatment brush is rotatably supported on the truck in front of the front wheels of the truck, and a paint spray nozzle for spraying the coating liquid onto the roof surface is supported, and a rotational drive device for the base treatment brush. A base treatment coating unit is mounted on the above-mentioned truck, and a traveling truck is large enough to carry the base treatment coating unit and the ridge portion can be moved in the direction of the ridge. An automatic coating device for building roof surfaces, characterized in that the base treatment coating unit is supported via a wire rope.