JP2842056B2 - Temporary indication of peeling position of finishing material - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for temporarily visually confirming a peeled portion of a finishing material such as a tile attached to a wall of a building.

[0002]

2. Description of the Related Art When inspecting peeling of an outer wall tile of a building using an unmanned device such as an inspection robot, a technique for grasping the position of the device and accurately recognizing a tile peeling position is required.

[0003] Many of the outer wall inspection robots currently announced by major construction companies adopt a method in which a sensor such as a rotary encoder is mounted on the robot body and the position is recognized based on the output.

However, in such a method, it is difficult to instantaneously recognize and judge a deteriorated portion due to an error of an encoder or a time lag at the time of output of position information. Actually, since the peeled portion is repaired manually, a worker for repair cannot accurately recognize the peeled portion.

Therefore, if the peeled portion is marked by an unmanned device, the repaired portion can be easily visually confirmed, but the following problem occurs.

[0006]

That is, there is no problem if all the markings are repaired, but if the marking is done but the repair is not performed, or if the repair is light and the tile does not need to be peeled off, However, marking marks remain on the walls of the building, which are not aesthetically pleasing, and require a troublesome operation to erase the markings each time.

Therefore, for example, in JP-A-62-6067, marking is performed using a colorless liquid containing a fluorescent material.
The headlamps attached to the worker's helmet irradiate ultraviolet light and emit fluorescent material to check the marking position.However, since the worker is working while sticking to the wall, it is partially The repairing of the entire wall could not be confirmed by the proper irradiation, and it was difficult to confirm the wide area. In order to cover such a defect, it suffices to irradiate the entire device. However, the device becomes large, and it is difficult to confirm, especially in the daytime on a sunny day, because it is blocked by daylight.

The present invention has been made to solve the above problems, and has as its object to eliminate the necessity of irradiating ultraviolet rays or the like for visual confirmation of a marking, and to peel off from an adherend after a certain period. An object of the present invention is to provide a method for temporarily indicating a peeling portion of a finishing material that can restore the appearance of a building.

[0009]

In order to achieve the above object, the present invention relates to a display method in which a peeling detecting device detects a peeling position of a wall surface finishing material, attaches a marking to the peeling position, and allows visual confirmation. The peeling of the marking material, which loses the adhesiveness to the adherend over time
It is a colored paint or a display seal containing an agent .

[0010]

According to the above configuration, the adherend can be formed over time.
Colored paint or display seals containing a release agent that loses their adhesiveness to adhesive lose their adhesion due to external influences such as the effects of ultraviolet components in sunlight, and peel off after a predetermined period from marking. And erase the trace of marking.

[0011]

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

FIG. 1 shows an outer wall inspection robot according to a first embodiment of the present invention. The outer wall inspection robot is guided up and down by a wire 1 and rolls along rollers 3 along the surface of an outer wall 2 composed of a tile or the like. The housing 4 includes a housing 4 that is in dynamic contact, and a peeling point detecting device 5 and a marking device 6 disposed in the housing 4.

The detecting device 5 comprises a hammer 7 having a load detecting portion 7a at the tip and a microphone 8 disposed above the hammer 7, and these are lead wires L1, L.
2 is connected to a peeling determination unit 9 installed on the ground.

The marking device 6 includes a pressure tank 12 containing a marking liquid M which is located below the hammer 7 and is opposed to the outer wall 2 and which is connected to the nozzle 10 via an electromagnetic valve 11. Pump 13. The solenoid valve 11 is also connected to the peeling determining section 9 via the lead wire L3.

In the above configuration, when the hammer 7 hits the sound and the sound picked up by the microphone 8 does not satisfy a predetermined standard, the peeling determination section 9 determines whether or not the peeling 2a has occurred on the outer wall 2 and determines whether or not there is. If it is determined that the solenoid valve 11 is opened for a certain period of time, the marking liquid M contained in the pressure tank 12 is ejected through the nozzle 10 to give a colored marking M1.

The marking liquid M is a solvent-evaporated colored coating obtained by mixing and dispersing a resin and a dye / pigment in a solvent and a diluent in the same manner as a normal coating, and forms a coating on the surface of the outer wall 2 by spray coating. Alternatively, the location of the peeling 2a is indicated by a conspicuous color due to the coloring of the pigment component. In addition, the resin component contains a remover (release agent), and the remover oozes out to the surface to be adhered to the outer wall 2 due to a change over time to reduce the adhesiveness, and easily peels off due to external force such as wind.

More specifically, for example, as shown in FIG. 2, the resin component of the marking liquid M contains a microcapsule 20 made of a UV-degradable resin material and containing a remover 21 inside. The dye pigment particles 22 are dispersed around the microcapsules 20.

Therefore, at the beginning of spraying, the pigment particles 2
1 and form a coating on the outer wall 2 as a colorful marking M1, but the microcapsules 20 are decomposed due to aging, and the remover 21 inside the microcapsules 20 oozes out on the coating film surface. The adhesiveness of the contact surface with the outer wall 2 is lost, and the coating film of the marking M1 is easily peeled off by the influence of external force such as wind.

The period up to the peeling depends on the size of the sun, but can be freely set by appropriately setting the thickness of the microcapsules 20 and the like, and can be set for one day to several weeks depending on the repair work schedule and the like. It suffices if the bonded state can be maintained.

FIG. 3 shows a second embodiment of the present invention, in which a marking device 30 is located under the hammer 7 so as to be able to move forward and backward with respect to the outer wall 2 and has a large number of display seals 31 aligned. Magazine 32 held in a magazine and magazine 3
2 is connected to the rear portion of the solenoid 33, and the solenoid 33 is connected to the peeling determining section 9 via a lead wire L4. Then, in the same manner as in the above-described embodiment, the peeling determination unit 9 determines whether or not the peeling 2a has occurred on the outer wall 2, and if it is determined that the peeling 2a is present, the solenoid 33 is driven, and the magazine 32 is released.
Is advanced to affix the front row of seals 31 to the outer wall 1, and the outer wall is marked by the adhesion of the seals 31.

The seal 31 is formed by forming a release layer on the surface of a colored film and a strong adhesive layer on the back surface facing the outer wall 2.
And is separated from the next seal 31 by the retraction of the magazine 32 and adheres to the outer wall 1. Microcapsules made of degradable plastic containing a remover are mixed with the strong adhesive layer of the seal 31 in the same manner as in the above-described embodiment, and are decomposed by sunlight to exude the remover. It is configured to be easily peeled off by external force such as.

[0022]

Above, according to the present invention as described in detail by the examples, in the temporary display method of the peeling position of the coverings according to the present invention, the colored coating material to display seal used in marking over time Adhesive to adherend
Because it contains a release agent that disappears, the adhesiveness is lost due to external influences such as the influence of ultraviolet components in sunlight, and it is peeled off after a predetermined period after marking to erase the trace of marking, The operator can immediately and visually confirm the peeling position of the tile or the like over a wide range by the color development of itself. Further, there is an advantage that even if the marking is left unattended, the marking will be naturally peeled off after a certain period, and the appearance of the building can be restored.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing an outer wall inspection robot according to a first embodiment of the present invention.

FIG. 2 is a schematic view showing the structure of a colored paint.

FIG. 3 is an explanatory view showing an outer wall inspection robot according to a second embodiment of the present invention.

[Explanation of symbols]

 2 outer wall 5 peeling point detecting device 6 marking device 20 microcapsule 21 remover 31 display seal M marking liquid M1 marking

────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Koichiro Takahashi 4-640 Shimoseito, Kiyose-shi, Tokyo Inside Obayashi Corporation Technical Research Institute Co., Ltd. (56) References JP-A-4-74960 (JP, A) JP-A-49 -39476 (JP, A) Jikken 44-22956 (JP, Y1) (58) Fields investigated (Int. Cl. ⁶ , DB name) G01N 29/00-29/28 E04G 23/00-23/08 G01N 21/91

Claims (1)

(57) [Claims] 1. A display method in which a peeling detecting device detects a peeling position of a wall surface finishing material, and a marking is provided at the peeling position so that the peeling position can be visually checked. A method for temporarily displaying a peeling position of a finishing material, wherein the method is a colored paint or a display seal containing a releasing agent to be eliminated.