KR102119070B1 - Underwater coating device having surface cleaning treatment - Google Patents

Abstract

The present invention relates to an underwater coating device having a surface treatment function that does not require the supply of paint from the outside or land because the paint tank is built-in and used to repair or coat the surface of the structure in water. And a paint tank in which paint is stored, provided inside the paint tank, and agitating the paint to stir the paint to prevent curing, provided on the outside of the main body, connected to the paint tank and applied to the surface of the underwater structure and It is provided on the outside of the main body and includes a handle for adjusting the moving direction of the main body. In addition, an air tank may be provided inside the main body, and a buoyancy control mechanism may be connected to the main body.
The present invention having the above configuration has the advantage of enabling the coating operation to be performed smoothly in water, reducing the loss rate of the paint, and improving work convenience.

Description

Underwater coating device with surface treatment function{UNDERWATER COATING DEVICE HAVING SURFACE CLEANING TREATMENT}

The present invention relates to an underwater coating device having a surface treatment function, and more specifically, it is used to repair or coat the surface of a structure in water, and a coating tank is built in, so that the underwater coating has a surface treatment function that does not require a separate coating supply. It is about the device.

In general, marine concrete structures, ship structures, and offshore plant structures that require underwater coating or repair work are large structures that are difficult to lift above the water surface and need to be coated or repaired in water.

The device for coating such an underwater structure has a structure different from that of a general device performed on land because the work proceeds in water.

As a device for performing a coating or the like in water, Korean Patent Registration No. 10-0519974 discloses an underwater coating device using air pressure.

In the registered patent, a handle case and an internal stirring chamber are formed, and while the stirring screw rotates by pneumatic pressure, the paint injected from the coating inlet is stirred and discharged into an injection tube. The handle case is provided with an air path through which air flows in and out to transfer air to the stirring chamber, and the paint is moved to the injection pipe as the user operates the valve switch. In this case, a brush is installed on one side of the injection pipe to spray the paint while removing foreign substances on the surface of the structure. In the registered patent having the above structure, the paint stirred in water is discharged to the injection tube by air pressure at the same time as stirring, and thus has the advantage of quick and easy operation. However, due to the structure of simply spraying the air pressure and the paint from the outside, there is a limit to the location of use, and the paint is stored in an external hose that supplies the paint when working in water, resulting in a large paint loss rate, and the water is not supplied smoothly by water pressure. There is a problem.

In addition, Japanese Patent No. 2011-81250 discloses an invention for an underwater paint inspection method, an apparatus, and the like. The Japanese patent relates to a coating device for automatically coating paint or the like on an outer plate of a ship or an underwater structure, the step of installing a container for measurement on an object to be coated, and supplying a gas to the inside of the container for measurement and supplied An inspection step of inspecting the object to be coated by contacting the gas with the object to be coated, and an adjustment step of correcting the position of the container for measurement by buoyancy by injecting air into the balance container fixed to the bottom of the container for measurement. Includes. On the other hand, the painted surface is inspected while the object is in contact with the gas, dried after painting, and the air is introduced into the inside of the measuring container to generate buoyancy.

However, the Japanese patent has a disadvantage in that installation can be performed only after a separate installation process in water, which increases installation cost and operation cost, and has a disadvantage in that it is difficult to repeatedly install a large-scale underwater structure.

(Document 0001) Korean Registered Patent No. 10-0519974 (Registration Date: 05.09.30.) (Document 0002) Japanese Registered Patent No. 2011-81250 (application date: 2011.03.31.)

It is an object of the present invention in consideration of the above points to provide an underwater coating device having a surface treatment function that facilitates coating work in water, reduces coating loss rate, and is economical and facilitates work.

An underwater coating apparatus having a surface treatment function according to the present invention for achieving the above object is a coating spraying apparatus for coating the surface of an underwater structure in water, the main body, a coating tank in which the coating material is stored, a coating tank in which the coating material is stored A stirrer that is provided inside and prevents curing by stirring the paint, is provided on the outside of the main body, is connected to the paint tank, is applied to the surface of the underwater structure, and is provided on the outside of the main body and handles to control the direction of movement It includes.

In addition, the underwater coating apparatus having a surface treatment function according to another embodiment of the present invention in the underwater coating spraying apparatus for coating the surface of the underwater structure in the water, the main body, a coating tank in which the coating material is stored, A stirrer provided inside the paint tank to prevent curing by stirring the paint, provided on the outside of the main body, connected to the paint tank and connected to a coating means and main body contacting the surface of the underwater structure, and buoyancy regulator capable of charging air therein It may include.

In addition, it may be further connected to the outside of the main body and further includes a brush for removing foreign substances on the surface of the underwater structure and a dirt cover provided between the brush and the application means.

In addition, the air tank is provided inside the body and compressed air is stored to apply pressure to the paint tank.

In addition, the stirrer includes a stirring shaft connected to the stirring shaft and the stirring shaft, and the stirring blade can rotate by receiving pressure from the air tank.

In addition, it is provided inside the body and further includes an air tank in which compressed air is stored, and the application means is provided so as to penetrate the coating body, the coating body provided to form a housing having one side inwardly formed therein, and provided to penetrate the coating body. It may protrude from the inner surface and may include an air injection port connected to the air tank, a coating spray port provided to penetrate the coating body and projected from the inner surface of the housing and connected to the paint tank.

In addition, the end of the paint injection port may have a greater degree of protruding from the inner surface of the housing than the end of the air injection port.

In addition, the coating means may be provided along the circumference of one side of the housing of the coating body is formed may further include an elastic member having a water tightness.

In addition, it is provided between the coating means and the coating tank may further include an outlet valve for moving the coating material contained in the coating tank to the coating means while preventing external water from entering the coating tank.

In addition, it may further include a propulsion device connected to the main body and assisting the movement of the main body according to the rotation of the propulsion blade.

In addition, the buoyancy regulator is connected to the buoyancy tank receiving the air from the air tank, the buoyancy tank connecting the buoyancy tank and the air tank, and the buoyancy pipeline, the first buoyancy controlling the flow rate of air supplied from the air tank to the buoyancy tank. It may include a valve.

In addition, the buoyancy regulator may further include a second buoyancy valve provided on one side of the buoyancy tank to open and close a portion of the buoyancy tank, and a third buoyancy valve provided on the other side of the buoyancy tank to open and close a portion of the buoyancy tank.

According to an embodiment of the present invention, the paint is agitated in water, so that the stirring time is shortened, the operation is convenient, and the underwater working time is shortened.

In addition, by performing a coating operation simultaneously with cleaning the surface of a large-scale structure, the work efficiency is high and the adhesion of the paint is increased.

In addition, the buoyancy control mechanism is provided to facilitate the coating of the bottom of the underwater structure, and the propulsion device is provided to improve workability.

1 is a schematic view showing an underwater coating apparatus having a surface treatment function according to an embodiment of the present invention.
Figure 2 is a cross-sectional side view showing an underwater coating apparatus having a surface treatment function according to an embodiment of the present invention.
3 is a detailed view showing a paint tank and a stirrer according to an embodiment of the present invention.
4 is a detailed view showing an application means according to an embodiment of the present invention.
5 and 6 is a detailed view showing a coating means according to another embodiment of the present invention.
7 is a use state diagram showing a buoyancy regulator according to an embodiment of the present invention.
8 is a perspective view showing a buoyancy regulator according to another embodiment of the present invention.
9 is a cross-sectional view showing a buoyancy regulator according to another embodiment of the present invention.
10 is a use state diagram showing a buoyancy regulator according to another embodiment of the present invention.

In the description of the present invention, when it is determined that detailed descriptions of related known functions or configurations may unnecessarily obscure the subject matter of the present invention, detailed descriptions thereof will be omitted.

Embodiments according to the concept of the present invention can be applied to various changes and may have various forms, and thus, specific embodiments will be illustrated in the drawings and described in detail in the present specification or application. However, this is not intended to limit the embodiment according to the concept of the present invention to a specific disclosure form, and it should be understood to include all modifications, equivalents, or substitutes included in the spirit and scope of the present invention.

The terms used in this specification are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this specification, the "inclusive" or "gajida" and the terms are staking the features, numbers, steps, operations, elements, parts or geotyiji to be a combination thereof specify the presence, of one or more other features, integers It should be understood that it does not preclude the presence or addition possibilities of, steps, actions, components, parts or combinations thereof.

Hereinafter, the present invention will be described in detail.

1 is a schematic view showing an underwater coating apparatus having a surface treatment function according to an embodiment of the present invention, and FIG. 2 is a side cross-sectional view showing an underwater coating apparatus having a surface treatment function according to an embodiment of the present invention.

1 and 2, an underwater coating apparatus having a surface treatment function according to an embodiment of the present invention includes a main body 100 and the main body 100 in a coating spraying apparatus for coating a surface of an underwater structure in water. ) Is provided in the interior of the paint tank 200, the paint is stored in the interior of the paint tank 200, the agitator 210 to prevent curing by stirring the paint, and provided on the outside of the main body 100 It is connected to the paint tank 200 and includes a coating means 400 that can contact the surface of the underwater structure.

In addition, in one embodiment of the present invention, the underwater coating device may include a handle 500 which is provided outside the main body 100 and adjusts the moving direction of the main body 100. In addition, in another embodiment of the present invention, the underwater coating device may include a buoyancy regulator 600 connected to the main body 100 and capable of charging air therein.

The main body 100 of the present invention is preferably formed with a receiving space therein, has a waterproof structure and has a certain strength to prevent deformation by hydraulic pressure.

If the overall structure of the coating apparatus according to the present invention is described as an example, a coating tank 200 and an air tank 300, which will be described later, are provided inside the main body 100, and application means are provided under the main body 100. 400 is provided. The worker moves the main body 100 under water, and the coating operation is performed by the coating means 400 that receives the paint from the paint tank 200 provided inside the main body. At this time, the lower portion of the main body 100 may be provided with a brush 120 and an anti-fouling cover 130, which will be described later, and the brush 120, an anti-contamination cover 130, and an application means 400 may include the main body ( 100) is sequentially arranged on a straight line from the bottom of the structure cleaning of the structure through the brush 120, and the coating operation of the structure through the application means 400 is performed at the same time, the brush 120 and the application means 400 A contaminant that may be generated when cleaning the surface of the structure is prevented from being introduced into the application means 400 by the anti-contamination cover 130 provided therebetween.

In one embodiment of the present invention, a handle 500 is provided on one side of the main body 100, and the handle 500 is fixed to the main body 100 and is held by an operator to move the main body 100 underwater. Make it easy to do. In the drawing of the present invention, the handle 500 is expressed to protrude to the upper portion of the main body 100, but is not limited thereto and may have various shapes and structures.

3 is a detailed view showing the paint tank 200 and the stirrer 210 according to an embodiment of the present invention.

2 and 3, a coating tank 200 is provided inside the main body 100, and the coating tank 200 stores coating liquid, paint, or coating (hereinafter referred to as coating). In addition, a stirrer 210 is provided inside the paint tank 200. The stirrer 210 serves to prevent curing of the paint in water by stirring the paint stored in the paint tank 200.

Referring to FIG. 3, in one embodiment of the present invention, the stirrer 210 may include a stirring shaft 211 and a rotating stirring blade 212 connected to the stirring shaft 211.

The stirring shaft 211 is disposed to cross the inside of the stirrer 210, and a stirring blade 212 is provided to protrude outside the stirring shaft 211. The stirring blade 212 may be a plurality, and the shape may be changed according to the position, size, etc. of the stirring tank or the stirring shaft 211.

The stirring blade 212 connected to the stirring shaft 211 may be spirally wound along the stirring shaft 211, for example, as shown in FIG. 3(a), and the interior of the coating tank 200 It can be stirred while moving the paint stored in a certain direction. For another example, the stirring blade 212 has a dual structure, the first blade wound close to the stirring shaft 211 and spirally positioned, and the first blade wound away from the stirring shaft 211. And it may include a second wing wound in the opposite direction. In this case, as the stirring blade 212 rotates, the paint adjacent to the first wing moves in a certain direction, and the paint adjacent to the second wing can be stirred while moving in the opposite direction to the paint adjacent to the first wing. .

The stirring blade 212 is fixed to the stirring shaft 211 and may be rotated together by rotating the stirring shaft 211 or the stirring blade 212. Specifically, assuming that the stirring shaft 211 transmits the rotational force to the stirring blade 212, motors for rotation are provided on one side or both sides of the stirring shaft 211, and in this case, the motor is connected to a rechargeable battery do. The stirring shaft 211 is rotated by the rotational force of the motor, and accordingly the stirring blade 212 is rotated.

Assuming that the stirring blade 212 transmits the rotational force to the stirring shaft 211, the stirring blade 212 rotates by the pressure applied to the coating material stored in the coating tank 200, and the stirring blade The stirring shaft 211 may rotate by rotating 212. The pressure applied to the paint may be generated by compressed air supplied from the air tank 300 to the paint tank 200, which will be described later.

One side of the coating tank 200 is connected to the coating means 400 provided on the outside of the main body 100, and the paint stored in the coating tank 200 is sprayed to the coating means 400.

In one embodiment of the present invention, an air tank 300 in which compressed air is stored may be provided inside the main body 100. In addition, the air tank 300 may be a plurality.

The compressed air stored in the air tank 300 may be in a gaseous state, but a gas such as CO2 may be in a liquefied liquid state, and the air tank 300 is external to the main body 100 or with the paint tank 200. The compressed air stored therein can be supplied to the outside or the paint tank 200.

For example, as shown in FIG. 3B, the air tank 300 is connected to the paint tank 200 and can supply compressed air to the paint tank 200. In this case, the compressed air transfers pressure to the paint stored in the paint tank 200 to move the paint. The stirrer 210 provided inside the paint tank 200 is operated by the pressure of the compressed air to prevent curing of the paint, and the paint is applied to the outside through the coating means 400 by the pressure. Can be sprayed. The internal pressure of the air tank 300 is greater than the internal pressure of the paint tank 200, and an outlet valve V may be provided between the air tank 300 and the paint tank 200. In addition, the outlet valve (V) can be moved by the operator's operation or the specific condition of the outlet valve (V), the compressed air of the air tank (300) can move to the paint tank (200). The specific condition may mean a case in which the wheel provided on the lower portion of the main body 100 rotates, that is, the main body 100 moves.

In one embodiment of the present invention, the air tanks 300 are plural and compressed air may be supplied to the paint tanks 200, respectively. When the air tank 300 is plural, any one of the air tanks 300 supplies compressed air to one side of the paint tank 200, and the other air tank 300 is the one of the paint tanks 200. Compressed air may be supplied to the other side, and compressed air supplied to one side and the other side of the coating tank 200 may have different heights, such as stirring of the paint stored in the coating tank 200 or the aforementioned stirring blade ( 212) can be smoothly rotated.

4 is a detailed view showing the coating means 400 according to an embodiment of the present invention.

Referring to FIG. 4, the application means 400 serves to apply the paint to the surface of the object to be coated, and is preferably located in an outer downward direction of the main body 100. In addition, it is provided between the coating means 400 and the coating tank 200, while moving the coating material accommodated in the coating tank 200 to the coating means 400, the external water to the coating tank 200 It may further include an outlet valve (V) to prevent the inflow. The outlet valve (V) is a structure that is opened only at a predetermined pressure or higher, and is preferably passed only when the paint has a moving direction from the paint tank 200 to the coating means 400.

In one embodiment of the present invention, the application means 400 is a roller 410 structure extending in the width direction of the main body 100, connected to the paint tank 200, or upper or inner part of the roller 410 The coating may be applied while the lower portion of the roller 410 contacts the surface of the object to be coated.

In another embodiment of the present invention, the application means 400 may be provided with a brush or the like along the outer rim, and when the paint supplied from the paint tank 200 is sprayed or applied to the outside, the brush or the like is applied. Through this, a uniform coating layer may be formed by rubbing the surface of the coating material. In this case, the brush or the like may be moved while rubbing the surface of the paint as the main body 100 moves, so that coating and surface treatment of the paint may be integrally performed.

5 and 6 is a detailed view showing the coating means 400 according to another embodiment of the present invention.

5 and 6, the coating means 400 is provided to penetrate the coating body 420 and the coating body 420 provided to form a housing 421 having a shape in which one side is embedded inward. It is protruded from the inner surface of the housing 421 and is provided to penetrate the air injection port 423 connected to the air tank 300 and the coating body 420 and protrudes from the inner surface of the housing 421, and the paint tank ( 200) may be connected to the coating spray port 422.

It has a structure in which the outer rim of the coating body 420 is in contact with the surface of the object to be sprayed with air from the air ejection opening 423 and the paint is ejected from the coating ejection opening 422. Accordingly, when the outside of the coating body 420 comes into contact with the surface of the object to be coated, the housing 421 having a shape embedded inward has a closed structure, and water existing inside the housing 421 has the air injection port ( 423) is discharged to the outside of the housing 421 by the air injected from the 423, and when the housing 421 is in an air environment, the paint may be sprayed from the paint injection port 422. In this case, the housing 421 is formed in an environment in the air to prevent dilution of the paint generated due to contact with water, thereby reducing the loss rate of the sprayed paint and preventing blurring of the operator's field of view when spraying the paint.

In order to perform this more smoothly, the application means 400 is provided along the circumference of one side on which the housing 421 of the application body 420 is formed, and may further include an elastic member 424 having watertightness. . The elastic member 424 may be formed of rubber or the like.

In addition, the end of the paint injection port 422 may have a greater degree of protruding from the inner surface of the housing 421 than the end of the air injection port 423. Specifically, the inner surface of the housing 421 may have a variety of shapes, by placing the end of the paint injection port 422 closer to the surface of the object than the end of the air injection port 423 through the paint injection port 422 It is possible to prevent contamination of the air ejection opening 423 by the sprayed paint, and minimize the influence of the air injected from the air ejection opening 423 to the spraying direction or the spraying range of the paint. Here, the air injection port 423 may be provided with a plurality of radially around the paint injection port 422, the paint injection port 422 may be located in the center of the inner surface of the housing 421. In addition, the coating body 420 may be a plurality.

Outside the main body 100 of the present invention may be provided with a brush 120 for removing the foreign matter surface of the underwater structure and the anti-fouling cover 130 provided between the brush 120 and the application means 400.

The brush 120 extends outwardly of the main body 100, and as the main body 100 moves, it contacts the surface of the object and removes foreign substances, contaminants, or marine organisms on the surface of the object to provide a smooth coating. To assist. In addition, the anti-fouling cover 130 is located between the brush 120 and the application means 400 and extends outwardly of the main body 100 and is separated from the surface of the object by the brush 120 Prevents contaminants and the like from being transferred to the coating means 400. The anti-contamination cover has a plate shape, and one end may be in contact with the surface of the object. The anti-fouling cover is preferably made of rubber or the like and has ductility.

In the present invention, when the operator moves the main body 100 in a certain direction, the brush 120 removes contaminants and the like present on the surface of the object to be moved according to the movement of the main body 100, and the anti-contamination cover is applied to the brush. Since the movement of the contaminants is prevented between the 120 and the application means 400, there is an advantage that a smooth coating is possible simultaneously with the surface cleaning of the object.

7 is a use state diagram showing the buoyancy regulator 600 according to an embodiment of the present invention. 7 (a) shows the state before the operation of the buoyancy regulator 600 and FIG. 7 (b) shows the state during the operation of the buoyancy regulator 600.

Referring to FIG. 7, in one embodiment of the present invention, it is connected to the main body 100 and may further include a buoyancy regulator 600 capable of charging air therein.

In the case of performing a coating operation in the water, it may be performed in a state where the main body 100 is positioned so that the application means 400 faces downward, but on the contrary, the main body 100 so that the application means 400 faces upward. ). That is, when coating the lower surface of the underwater structure, it is performed by flipping the main body 100 as opposed to coating the upper surface. In this case, there is a problem that an operator's burden increases due to the self-weight of the main body 100. In the present invention, the self-weight of the main body 100 can be reduced through the buoyancy regulator 600, thereby improving the working environment and working. It can improve sex.

The buoyancy regulator 600 increases the buoyancy of the main body 100 connected to the buoyancy regulator 600 underwater as the air is filled therein. For example, the buoyancy regulator 600 may have a structure such as a balloon and gradually increase in volume as the air is filled therein, so that the volume may be increased. In addition, the buoyancy regulator 600 may be connected to the air tank 300 and receive compressed air from the air tank 300.

8 is a perspective view showing a buoyancy regulator 600 according to another embodiment of the present invention, FIG. 9 is a cross-sectional view showing a buoyancy regulator 600 according to an embodiment of the present invention, and FIG. 10 is an embodiment of the present invention It is a use state diagram showing the buoyancy regulator 600 according to the embodiment.

8 and 9, in one embodiment of the present invention, the buoyancy regulator 600 is a buoyancy tank 620 receiving air from the air tank 300, the buoyancy tank 620 and the air tank A buoyancy pipe 610 connecting the 300 to each other, and a first buoyancy valve provided in the buoyancy pipe 610 and controlling a flow rate of air supplied from the air tank 300 to the buoyancy tank 620 ( 611).

Specifically, the buoyancy pipeline 610 is provided inside the main body 100 and connects the air tank 300 and the buoyancy tank 620 to each other in a pipe shape. The buoyancy tank 620 may be provided inside or outside the main body 100. In one embodiment of the present invention, the buoyancy tank 620 is provided on each side of the main body 100, each pair It can be composed of. In this case, the buoyancy pipeline 610 may have a'T' shape extending from the inside of the body 100 to the outside. The first buoyancy valve 611 may be provided inside or outside the buoyancy pipeline 610 and is connected to the buoyancy pipeline 610 to control the flow rate of air passing through the buoyancy pipeline 610. The air introduced into the buoyancy tank 620 through the buoyancy pipeline 610 and the first buoyancy valve 611 fills the inside of the buoyancy tank 620 while increasing the buoyancy of the main body 100.

The first buoyancy valve 611 preferably has a structure such as a check valve to prevent the movement of fluid from the buoyancy tank 620 in the direction of the buoyancy pipeline 610.

In addition, the buoyancy regulator 600 is provided on one side of the buoyancy tank 620 and is provided on the other side of the second buoyancy valve 621 and the buoyancy tank 620 to open and close a part of the buoyancy tank 620. And it may further include a third buoyancy valve 622 to open and close a portion of the buoyancy tank 620.

The second buoyancy valve 621 may have a structure that is provided on the upper portion of the buoyancy tank 620 and communicates with the inside and outside of the buoyancy tank 620 when opened. In addition, the third buoyancy valve 622 may have a structure that is provided below the buoyancy tank 620 and communicates with the inside and outside of the buoyancy tank 620 when opened. The first buoyancy valve 611, the second buoyancy valve 621 and the third buoyancy valve 622 may be used in a variety of structures to determine the movement of the fluid, each of which can be opened and closed independently.

10(a) shows a process of increasing buoyancy by supplying air to the buoyancy tank 620 filled with water therein, and FIG. 10(b) shows water in the buoyancy tank 620 filled with air therein. Represents the process of reducing buoyancy by charging. Referring to Figure 10 to describe the specific dynamic state of the buoyancy regulator 600 having the above structure, as shown in Figure 10 (a), the inside of the buoyancy tank 620 in the second second buoyancy valve 621 ) And/or as the third buoyancy valve 622 is opened, water is filled therein. In this state, the second buoyancy valve 621 is closed, and air is supplied into the buoyancy tank 620 through the buoyancy pipeline 610 while opening the first buoyancy valve 611 and the third buoyancy valve 622. In this case, the air moves upward from the inside of the buoyancy tank 620, and the water located below is discharged to the outside through the third buoyancy valve 622. Accordingly, the buoyancy of the main body 100 is increased. When the main body 100 is inverted 180 degrees to coat the bottom surface of the underwater structure, water is discharged to the outside through the second buoyancy valve 621 and the third buoyancy valve 622 is closed. It can become a state.

As shown in (b) of FIG. 10, when the buoyancy is increased again while the air is filled in the buoyancy tank 620 underwater, the first buoyancy valve 611 is closed and the second buoyancy valve 621 ) And the third buoyancy valve 622 are opened. In this case, air filled therein through the second buoyancy valve 621 is discharged to the outside, and buoyancy may be reduced as external water flows into the buoyancy tank 620 through the third buoyancy valve 622. . When the main body 100 is turned 180 degrees, external water is introduced into the buoyancy tank 620 through the second buoyancy valve 621 and charged in the buoyancy tank 620 through the third buoyancy valve 622. Air can be discharged to the outside.

In the present invention, for convenience of description, the positions of the first buoyancy valve, the second buoyancy valve and the third buoyancy valve are limited, but the structures and positions of the first buoyancy valve, the second buoyancy valve and the third buoyancy valve are as follows. It may vary within the scope of the object of the invention.

In an embodiment of the present invention, the propulsion device 700 connected to the main body 100 and assisting the movement of the main body 100 according to the rotation of the propulsion blade may be further included.

Referring back to FIG. 2, the propulsion device 700 assists the movement of the main body 100 through a structure such as a propeller. Specifically, in one embodiment, the propulsion device 700 is provided at the rear of the main body 100, and includes a propulsion motor 710 and a propulsion fan 720 connected to the propulsion motor 710. The propulsion fan 720 moves the water in the rear direction of the main body 100 to advance the main body 100. The propulsion motor 710 is preferably provided inside the body 100 to avoid direct contact with water.

In addition to the above-described example, the propulsion device 700 may use a water jet structure or a pump or the like.

As described above, in the present invention, it is suitable to perform coating in water, and prevents hardening of the paint using the stirrer 210 of the paint tank 200, and includes a brush 120 and an anti-contamination cover 130 to be coated. At the same time as the cleaning of the surface of the coating can be performed.

In addition, by using the buoyancy regulator 600 and the handle 500 and the propulsion device 700, there is an effect of improving the convenience of underwater work.

100: main body
120: brush 130: anti-fouling cover
200: paint tank
210: stirrer 211: stirring shaft
212: stirring wing
300: air tank
400: coating means
410: roller 420: applied body
421: housing 422: paint spraying port
423: air injection port 424: elastic member
500: handle
600: buoyancy regulator 610: buoyancy pipeline
611: first buoyancy valve 620: buoyancy tank
621: 2nd buoyancy valve 623: 3rd buoyancy valve
700: propulsion device
710: propulsion motor 720: propulsion fan
V: Valve

Claims (12)

In the underwater coating spray device for coating the surface of the underwater structure in water,
main body;
A coating tank provided inside the main body and storing the coating material;
A stirrer provided inside the paint tank to prevent curing by stirring the paint;
A coating means provided on the outside of the main body and connected to the paint tank to contact the surface of the underwater structure; And
Included in the handle provided on the outside of the main body to adjust the movement direction of the main body,
It is provided inside the body and further includes an air tank in which compressed air is stored,
The coating means,
An application body provided so that a housing having a shape in which one side is embedded inward is formed;
An air injection hole provided to penetrate the coating body and protruding from the inner surface of the housing and connected to the air tank;
Includes; it is provided to penetrate the coating body and protrudes from the inner surface of the housing and connected to the paint tank;
A plurality of air injection ports are provided centering on the paint injection port,
An end surface of the paint spray port has a surface treatment function, characterized in that the protruding degree from the inner surface of the housing is greater than the end of the air spray port.
In the underwater coating spray device for coating the surface of the underwater structure in water,
main body;
A coating tank provided inside the main body and storing the coating material;
A stirrer provided inside the paint tank to prevent curing by stirring the paint;
A coating means provided on the outside of the main body and connected to the paint tank to contact the surface of the underwater structure; And
It is connected to the main body and includes a buoyancy regulator capable of charging air therein.
It is provided inside the body and further includes an air tank in which compressed air is stored,
The coating means,
A coating body provided so that a housing having a shape in which one side is embedded inward is formed;
An air injection hole provided to penetrate the coating body and protruding from the inner surface of the housing and connected to the air tank;
Includes; it is provided to penetrate the coating body and protrudes from the inner surface of the housing and connected to the paint tank;
A plurality of air injection ports are provided centering on the paint injection port,
An end surface of the paint spray port has a surface treatment function, characterized in that the protruding degree from the inner surface of the housing is greater than the end of the air spray port.
The method according to claim 1 or 2,
A brush connected to the outside of the main body to remove foreign substances on the surface of the underwater structure; And
An underwater coating device having a surface treatment function, characterized in that it further comprises a; dirt prevention cover provided between the brush and the application means.
delete The method according to claim 1 or 2,
The stirrer,
Stirring shaft; And
Includes; a rotatable stirring blade connected to the stirring shaft;
The stirring blade is an underwater coating device having a surface treatment function, characterized in that rotating by receiving pressure from the air tank.
delete delete The method according to claim 1 or 2,
The coating means,
An underwater coating device having a surface treatment function, characterized in that it further includes an elastic member having a water tightness and is provided along the circumference of one side of the housing on which the housing is formed.
The method according to claim 1 or 2,
A surface treatment provided between the coating means and the coating tank, and further comprising an outlet valve for moving the coating material contained in the coating tank to the coating means and preventing external water from flowing into the coating tank. Underwater coating device with function.
The method according to claim 1 or 2,
An underwater coating device having a surface treatment function further comprising a propulsion device connected to the main body and assisting the movement of the main body according to the rotation of the propulsion blade.
According to claim 2,
The buoyancy regulator,
A buoyancy tank receiving air from the air tank;
A buoyancy pipe connecting the buoyancy tank and the air tank to each other;
And a first buoyancy valve connected to the buoyancy pipeline and controlling a flow rate of air supplied from the air tank to the buoyancy tank.
The method of claim 11,
The buoyancy regulator,
A second buoyancy valve provided on one side of the buoyancy tank and opening and closing a part of the buoyancy tank; And
An underwater coating device having a surface treatment function, further comprising: a third buoyancy valve provided on the other side of the buoyancy tank and opening and closing a part of the buoyancy tank.

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