JP3045846B2 - Exterior coating film cleaning / removal 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 exterior coating for cleaning or removing old old coatings when repainting or repairing a wall such as an outer metal panel attached to an outer wall of a concrete structure. The present invention relates to an apparatus for cleaning and removing a film.

[0002]

2. Description of the Related Art As a conventional apparatus for cleaning and removing an exterior coating film of this type, an outer cylinder held by an operator has a flat surface and a large number of nozzles (for example, 12 to 16 holes). The tip of the nozzle is rotatably provided, and the tip of the nozzle is moved along the outer wall surface while being driven and rotated, and ultra-high pressure water is jetted to the outer wall surface to wash and remove the old coating film.

[0003]

However, in the case of an outer wall having an uneven surface or a decorative projection, a difference occurs in the distance from the nozzle to the surface to be cleaned, so that the concave surface of the uneven surface can be cleaned well. In this case, the water pressure is excessively applied to the surface of the convex portion, and there is a possibility that the surface is damaged. In particular, when the outer wall surface is decorated with a decorative member such as a projection, there is a disadvantage that the decorative member is damaged. Conversely, if the surface of the convex portion can be cleaned well,
There was a defect that cleaning failure occurred on the surface of the concave portion.

The present invention has been made in view of such circumstances, and an apparatus for cleaning / removing an exterior coating film according to the first aspect of the present invention is an apparatus for cleaning / removing an uneven surface or a decorative projection. An object of the present invention is to provide a cleaning and removing apparatus for an exterior coating film according to the invention according to claim 2, wherein the coating film can be washed and removed well without damaging the outer wall surface and the decorative projections. An object of the present invention is to clean and remove an old coating film such as the surface of a decorative projection without damaging the outer wall surface and the decoration projection, and to wash the exterior coating film of the invention according to claim 3. The object of the removal device is to make it possible to easily adjust the pressure of the cleaning water applied to the wall surface.

[0005]

According to the first aspect of the present invention, there is provided an apparatus for cleaning and removing an exterior coating film, comprising:
The main unit is connected to a hose that supplies ultra-high pressure water, and the main unit is opposed to the wall surface and spaced a predetermined distance from the wall surface. In the intersecting state, the vertical nozzles of the micro holes are arranged side by side, and the ejection direction becomes the ejection direction of the vertical nozzle and the direction inclined with respect to the wall surface. In a state where the distance from the wall surface to which water is applied is equal to the distance between the tip of the vertical nozzle and the wall surface to which the ultrahigh-pressure water ejected from the vertical nozzle is applied, inclined nozzles having fine holes are juxtaposed. I do.

[0006] The apparatus for cleaning / removing an exterior coating film according to claim 2 comprises:
In order to achieve the above-described object, the apparatus main body is connected to a hose for supplying ultra-high pressure water, and the apparatus main body is opposed to wall surfaces having different surface heights and is separated from each other by a predetermined distance. Multiple vertical nozzles with holes
How to jet ultra-high pressure water from each vertical nozzle
Directions are almost parallel or parallel to each other and intersect the wall surface
And the wall from each of the vertical nozzles
The vertical nozzles are ejected at different surface heights, and the distance between the tip of each of the vertical nozzles and the wall surface to which the ultrahigh-pressure water ejected from the nozzles is directed is equal to each other. .

[0007] The apparatus for cleaning and removing an exterior coating film according to claim 3 is as follows.
To achieve the above-described object, the apparatus main body in the cleaning and removal apparatus of the exterior coating 請 Motomeko 2, provided adjustably guide wheels fixed position in a direction opposite to the wall surface structure I do.

[0008]

According to the structure of the apparatus for cleaning and removing an exterior coating film of the first aspect, the distance between the tip of the vertically arranged vertical nozzle and the surface of the wall to which the ultra-high pressure water jetted from the tip is equal, The old coating film can be washed and removed by applying ultra-high pressure water to each part of the wall surface such as the uneven surface at the same water pressure. Further, the high-pressure water is applied in a state of being inclined with respect to the wall surface by the inclined nozzle, and the reflection causes the ultra-high-pressure water to flow to the back surface of the decorative projection, whereby the old coating film there can be washed and removed. Moreover, the tip of the side-by-side inclined nozzle,
The distance between the wall surface to which the ultra-high pressure water jetted from it hits is equal to the distance between the tip of the vertical nozzle and the wall surface to which the ultra-high pressure water jetted from it hits. Therefore, the old coating film can be washed and removed by applying ultra-high pressure water to each part of the wall surface at the same water pressure.

According to the configuration of the apparatus for cleaning and removing an exterior coating film of the second aspect, the tip of each of a plurality of vertical nozzles juxtaposed so as to be ejected to positions where the surface height of the wall surface is different, The distance from the wall surface to which the ultra-high-pressure water squirted from the wall surface is equal to each other, and the old coating film can be washed and removed by applying ultra-high-pressure water to each part of the wall surface such as the uneven surface with the same water pressure. .

According to the third aspect of the present invention, the fixing position of the guide wheel is adjusted so that the tips of the vertically arranged vertical nozzles and the ultrahigh-pressure water jetted therefrom are adjusted. Can be adjusted with respect to the wall surface on which the object hits.

[0011]

Next, an embodiment of the present invention will be described in detail with reference to the drawings.

FIG. 1 shows the cleaning and cleaning of the exterior coating film shown in the working state.
2 is a longitudinal sectional view, FIG. 3 is a bottom view, and FIG. 4 is a transverse sectional view. In these figures, 1 indicates an apparatus main body, and the apparatus main body 1 has a working handle 2 attached thereto. Is attached, and a device main body 1 is connected via a hose 5 for supplying ultra-high-pressure water with a distributor 3 and a high-pressure pump 4 interposed therebetween.
Is connected to the water storage tank 6. This water storage tank 6 is mounted on a gondola (not shown).

In the figure, reference numeral 7 denotes a switch for starting and stopping the high-pressure pump 4. A metal panel W (hereinafter, referred to as a wall W) as a wall having different surface heights is provided on the apparatus main body 1.
A first nozzle surface F1 in a band shape facing the surface of the wall body W is provided, and the first nozzle surface F1 is spaced apart from the surface of the wall body W by a predetermined distance in the longitudinal direction, and the ejection direction is made equal. Are intersected with the surface of the wall W, and first and second vertical nozzles 8..., 9.

The distance between the surface of the wall W and the surface of the T-shaped corrugate 10 as a decorative projection provided on the wall W is greater than that of the second vertical nozzles 9. Are provided on the side of the wall W by an amount equal to the first vertical nozzles 8..., And the second vertical nozzles 9. , The distance between the tip of the first vertical nozzles 8 and the surface of the wall W to which the ultra-high pressure water jetted from the first vertical nozzles 8..., The tip of the second vertical nozzles 9. The distance from the surface of the T-shaped corrugate 10 to which the jetted ultra-high pressure water is applied is equal to each other, and the old coating film can be washed and removed by applying the ultra-high pressure water to each part of the surface of the wall W at the same water pressure. It is configured.

The apparatus main body 1 is provided with a second nozzle face F2 on the side of the first nozzle face F1 at right angles to the longitudinal direction thereof along the surface of the wall W, and the second nozzle face F2 is provided. Surface F
2, a first inclined nozzle 1 having a fine hole whose ejection direction is inclined to one longitudinal side of the apparatus main body 1 with respect to the surface of the wall W;
And a second inclined nozzle 1 having a fine hole inclined to the other side.
Are provided, and the distance between the tip of each of the first and second inclined nozzles 11 and 12 and the surface of the wall W to which the ultrahigh-pressure water supplied from the nozzles is the same as the above-described distance. Are set to be equal to the distance between the tip of each of the first and second vertical nozzles 8, 9, and the surface of the wall W to which the ultrahigh-pressure water supplied from the nozzles is applied.
The super-high pressure water supplied from each of the inclined nozzles 11..., 12... It is configured as follows.

At both ends in the longitudinal direction of the apparatus main body 1, guide wheels 13 are provided which run on the surface of the wall band W between adjacent T-shaped corrugates 10, 10.

Further, rubber drippings 14, which prevent the washing water from scattering, are provided on both sides orthogonal to the longitudinal direction of the apparatus main body 1.
14 are provided. Notches 15 are formed at the edges of the rubber hangs 14 to insert the T-type corrugates 10, respectively, so that the washing water can be prevented from scattering.

FIG. 5 shows a second embodiment for accommodating a wall W having irregularities. Vertical nozzles 16 of fine holes are provided on the nozzle surface F along the irregular surface, respectively. The distance between the tip of the nozzle 16 and the surface of the wall to which the ultrahigh-pressure water supplied from the nozzle 16 is set to be equal to each other, and the high-pressure water is applied to each part of the surface of the wall W at the same water pressure. It is configured so that the old coating film can be removed by washing.

The first and second vertical nozzles 8,.
.., The first and second inclined nozzles 11, 12, and the vertical nozzles 16 are each formed into a fine hole having a diameter of 0.15 mm by diamond processing. The discharge pressure of the high-pressure pump 4 is 800 to 1000 kgf / cm ² , and is configured so that cleaning water can be jetted at an extremely high pressure.

The above-mentioned guide wheel 13 may be attached to the apparatus main body 1 so that the fixed position thereof can be adjusted in the direction approaching or away from the surface of the wall W. With this configuration,
By adjusting the fixed position of the guide wheel 13, the wall W
The operator can finely adjust the water pressure of the ultra-high pressure water hitting the surface of the surface, can easily set the water pressure suitable for cleaning the old coating film, and can exert the effect of improving workability. In addition, the apparatus main body 1 is manually swung around the rotation axis of the guide wheel 13 so that the high-pressure water is repeatedly applied to the cleaning / removing surface, and the cleaning / removal of the old coating film is more accurately and reliably performed. It is also possible to do.

In the present specification, "washing and removing" or "washing and removing" means that a portion where an old coating film is peeled off is simply washed, while a portion where the old coating film is present. On the other hand, it means that the old coating film is removed and cleaning after the removal is performed. The apparatus for cleaning and removing an exterior coating film of the present invention can be applied only to the cleaning of a wall surface.

[0022]

According to the apparatus for cleaning and removing an exterior coating film according to the first aspect, it is possible to apply ultra-high pressure water to each part of the surface of the wall from the vertical nozzle at the same water pressure. By setting the water pressure suitable for washing the coating film, the old coating film can be satisfactorily removed from the surface of the wall without damaging the outer wall surface or the projection for decoration. Furthermore,
The high-pressure water is applied to the wall surface in an inclined state with the inclined nozzle, and the reflection makes the ultra-high-pressure water flow to the back surface of the decoration projection, so that the old coating film on the back surface of the decoration projection can be cleaned well. It can now be removed. In addition, since super-high pressure water can be applied from the side-by-side inclined nozzle with the same water pressure as the vertical nozzle, by setting the water pressure to a water pressure suitable for cleaning the old coating film, With respect to the decorative projections, the old coating film can be removed well without damaging the outer wall surface and the decorative projections.

According to the apparatus for cleaning / removing an exterior coating film of the present invention, a plurality of walls are provided at each part of the surface of the wall where the surface height of the wall from which the ultra-high pressure water is jetted is different, such as an uneven surface . Ultra high-pressure water can be applied from each vertical nozzle at the same water pressure, so by setting the water pressure to a water pressure suitable for cleaning the old coating film, the surface of the uneven wall surface can be applied. Also,
The old coating film can be removed satisfactorily without damaging the outer wall surface and the decorative projections.

According to the apparatus for cleaning and removing an exterior coating film of the third aspect, by adjusting the fixing position of the guide wheel, the operator can finely adjust the water pressure of the ultra-high pressure water hitting the surface of the wall at hand. Water pressure suitable for cleaning the old coating film can be easily set, and workability can be improved.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of a first embodiment of an exterior coating film cleaning / removing apparatus shown in a working state.

FIG. 2 is a longitudinal sectional view.

FIG. 3 is a bottom view.

FIG. 4 is a transverse sectional view.

FIG. 5 is a longitudinal sectional view of a main part of a second embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Device main body 5 ... Hose 8 ... 1st vertical nozzle 9 ... 2nd vertical nozzle 11 ... 1st inclined nozzle 12 ... 2nd inclined nozzle 13 ... Guide wheel 16 ... Vertical nozzle F1 ... 1st nozzle surface F2: second nozzle surface W: wall

──────────────────────────────────────────────────続 き Continuation of the front page (72) Takashi Shimazu, Inventor Takanaka, Chuo-ku, Osaka, 1-11-1, Takenaka Corporation Osaka Main Store (56) References Hikaru 4-126752 (JP, U) ( 58) Field surveyed (Int.Cl. ⁷ , DB name) B05B 1/14 A47L 11/38 B08B 3/02

Claims (3)

(57) [Claims] 1. A device main body is connected to a hose for supplying ultrahigh-pressure water, and the device main body is opposed to the wall surface at a predetermined interval so that the opposing interval from the wall surface is equal, and the jetting direction is provided. In the state intersecting the wall surface, the vertical nozzles of the micropores are arranged side by side, and the ejection direction becomes the ejection direction of the vertical nozzle and the direction inclined with respect to the wall surface, and the tip and In a state in which the distance between the jetted ultrahigh-pressure water and the wall surface is equal to the distance between the tip of the vertical nozzle and the ultrahigh-pressure water jetted from the wall surface, the inclined nozzles of the micropores are respectively set. An exterior coating film cleaning / removing device, which is provided side by side. 2. An apparatus main body is connected to a hose for supplying ultra-high pressure water, and the apparatus main body is provided with fine holes each facing a wall surface having a different surface height and at a predetermined interval .
A plurality of vertical nozzles are arranged side by side, and each of the vertical nozzles
The jet directions of the ultrahigh-pressure water jetted from the
Or parallel to cross the wall surface,
The surface height of the wall surface is different from each of the vertical nozzles.
And the distance between the tip of each of the vertical nozzles and the surface of the wall to which the ultra-high pressure water ejected from the nozzles comes in contact.
Cleaning and removal apparatus of the exterior coating, characterized in that are configured to be equal to have. 3. The apparatus main body according to 請 Motomeko 2, cleaning and removing apparatus of the exterior coating is provided with adjustable guide wheels fixed position in a direction opposite to the wall surface.