Underwater decontamination and paint spraying device for ship

Abstract

The utility model relates to the technical field of ship maintenance, in particular to an underwater decontamination and paint spraying device for a ship, which comprises a cabin body and a plurality of water jet propellers, the outer wall of the cabin body is fixedly provided with a plurality of water jet propellers, the lower part of the cabin body is provided with a drainage mechanism, and the outer wall of the cabin body is provided with a moving mechanism. Water in a closed space formed between the cabin body and the ship body enters the barrel and drives a rubber plug to move downwards, the rubber plug drives a fourth support to slide downwards, the fourth support compresses a spring, and the water in the closed space formed between the cabin body and the ship body enters the barrel and then is discharged from the lower portion of the barrel through a through hole. After water in a closed space formed between the cabin body and the ship body is emptied, an exhaust system is closed, a spring drives a fourth support to slide upwards under the elastic effect, the fourth support drives a rubber plug to move upwards, the rubber plug is attached to a barrel to block the interior of the barrel, and negative pressure cannot be generated in the cabin body during drainage.

Description

TECHNICAL FIELD

[0001] The utility model relates to ship maintenance technical field, concretely for a kind of underwater decontamination paint spraying device for ship. BACKGROUND

[0002] In order to ensure the navigation safety and performance of the ship, the ship needs to be maintained and maintained after sailing or anchoring for a period of time, and the microorganisms and dirt attached to the ship body are removed in time, and the surface of the ship body is painted to re-add protective coating to the exposed metal surface to ensure the normal service life of the ship.

[0003] For example, the application publication number CN114160349A is used for underwater decontamination paint spraying device for ship, including carrying carrier, propulsion system, decontamination system and paint spraying system;The decontamination system is used to remove the attachments and rust on the surface of the ship body;The paint spraying system is used to paint the surface of the ship body, the above document still exists deficiency, when using, by setting propulsion system in the device, the device can be controlled to move freely under water and keep balance;By setting decontamination system, the attachments and rust on the surface of the ship body can be automatically removed;By setting paint spraying system, the underwater surface of the ship body can be automatically painted to achieve the purpose of maintenance and maintenance, however, the water pump is used to pump out the water in the cabin when the cabin is attached to the ship body, at this time, the cabin is attached to the ship body, and the negative pressure is generated in the cabin when draining, so that the water in the cabin is not convenient to drain, and the relative position between the cabin and the upper support in the above document is fixed, when cleaning the ship body or the cabin is adsorbed on the ship body, the cabin and the upper support may affect the other party to approach some uneven positions of the ship body, and when using, the relative position of the cabin and the upper support is not convenient to adjust according to the actual use demand. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the problem that the water in the cabin is not convenient to drain, and provides an underwater decontamination paint spraying device for ship.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of underwater decontamination paint spraying device for ship is designed, including cabin and water jet propeller, the outer wall of the cabin is fixedly installed with multiple water jet propellers, the lower portion of the cabin is provided with drainage mechanism, the outer wall of the cabin is provided with moving mechanism, the inside of the cabin is fixedly installed with paint spraying system and baffle, the output end of the paint spraying system is fixedly connected with multiple first pipes, the outer wall of multiple first pipes is fixedly connected with baffle, the end of the first pipe is fixedly connected with spray head swing ware, the outer wall of the spray head swing ware is fixedly connected with baffle.

[0007] Preferably, the drainage mechanism comprises a cylinder, the outer wall of the cylinder is fixedly connected with the cabin body, a support rod is fixedly connected in the cylinder, a spring is fixedly connected above the support rod, a first support is fixedly connected at the end of the spring, the outer wall of the first support is slidably connected with the cylinder, a through hole is arranged in the first support, a rubber plug is fixedly connected at the end of the first support, and the outer wall of the rubber plug is matched with the cylinder.

[0008] Preferably, the moving mechanism comprises a second support and a third support, the second support and the third support are fixedly connected with the outer wall of the cabin body, a water-tight motor is fixedly connected with the outer wall of the third support, a lead screw is fixedly connected with the output shaft of the water-tight motor, the outer wall of the lead screw is rotatably connected with the third support through bearings, a lead screw nut is threadedly connected with the outer wall of the lead screw, a fourth support is fixedly connected above the lead screw nut, a sliding block is fixedly connected at the end of the fourth support, and the outer wall of the sliding block is slidably connected with a slide rod, and the two ends of the slide rod are fixedly connected with the second support.

[0009] Preferably, the output end of the nozzle swing device is provided with a paint spraying head, and the outer wall of the inner side of the partition plate is fixedly provided with a drying system.

[0010] Preferably, the output end of the drying system is fixedly connected with a second pipeline, the outer wall of the second pipeline is fixedly connected with the partition plate, and a hot air spraying head is fixedly connected at the end of the second pipeline.

[0011] Preferably, the upper portion of the cabin body is fixedly connected with a water pump and an exhaust system, and the water pump and the exhaust system are in communication with the inside of the cabin body.

[0012] Preferably, the inside of the fourth support is fixedly connected with an electrical box.

[0013] Preferably, the inside of the fourth support is provided with a decontamination system and a polishing system.

[0014] The underwater decontamination and paint spraying device for the ship has the advantages that: through the cooperation between the cylinder, the support rod, the spring, the first support, the through hole and the rubber plug, the water in the sealed space formed between the cabin body and the ship body enters the inside of the cylinder and drives the rubber plug to move downward, the rubber plug drives the fourth support to slide downward, the fourth support compresses the spring, the water in the sealed space formed between the cabin body and the ship body enters the cylinder and is discharged from the lower portion of the cylinder through the through hole, the exhaust system is closed after the water in the sealed space formed between the cabin body and the ship body is discharged, the fourth support slides upward under the elastic action of the spring, the fourth support drives the rubber plug to move upward, the rubber plug is matched with the cylinder to block the inside of the cylinder, and the water outside the cylinder cannot enter the sealed space formed between the cabin body and the ship body, and the inside of the cabin body will not generate negative pressure during the drainage, so that the water in the cabin body is conveniently discharged.

[0015] Through cooperation between the second support, the third support, the water-tight motor, the lead screw, the lead screw nut, the fourth support, the sliding block and the slide rod, the water-tight motor drives the lead screw to rotate, the lead screw drives the lead screw nut to move, the lead screw nut drives the fourth support to move, the fourth support drives the dirt removal system and the polishing system to move, the sliding block and the slide rod guide the movement of the fourth support, and the fourth support drives the dirt removal system and the polishing system to move, and the relative position between the fourth support and the cabin is adjusted by the water-tight motor when the ship body is cleaned or adsorbed, so that the two can not affect each other, and the relative position between the cabin and the upper support can be adjusted according to actual use requirements when in use. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a structural sectional view of the utility model;

[0018] Figure 3 It is a structural schematic view of the connection between the cabin, the paint spraying system and the partition plate in the utility model;

[0019] Figure 4 It is a structural schematic view of the connection between the second support, the water-tight motor and the lead screw in the utility model;

[0020] Figure 5 It is a structural schematic view of the connection between the cylinder, the support rod and the spring in the utility model;

[0021] Figure 6 It is a structural schematic view of the connection between the cabin, the water jet propeller and the second support in the utility model.

[0022] In the drawing: 1, cabin, 2, water jet propeller, 3, drainage mechanism, 301, cylinder, 302, support rod, 303, spring, 304, first support, 305, through hole, 306, rubber plug, 4, moving mechanism, 401, second support, 402, third support, 403, water-tight motor, 404, lead screw, 405, lead screw nut, 406, fourth support, 407, sliding block, 408, slide rod, 5, paint spraying system, 6, partition plate, 7, first pipeline, 8, nozzle swing device, 9, paint nozzle, 10, drying system, 11, second pipeline, 12, hot air nozzle, 13, water pump, 14, exhaust system, 15, electrical box, 16, dirt removal system, 17, polishing system. DETAILED DESCRIPTION

[0023] The utility model will be further described below in combination with the drawings:

[0024] Refer to the drawings Figures 1-6In this embodiment, a kind of underwater paint spraying device for removing dirt of ship, including cabin 1 and water jet 2, cabin 1 is pressure sealed cabin, the outer wall of cabin 1 is fixedly installed with multiple water jet 2, the inside connection and working principle of water jet 2 is with the box body for removing dirt of ship in the paint spraying device for underwater of application publication No.CN114160349A, the lower portion of cabin 1 is provided with drainage mechanism 3, drainage mechanism 3 is convenient for the water in the inside of cabin 1 when cabin 1 is attached to the hull is discharged, the outer wall of cabin 1 is provided with moving mechanism 4, moving mechanism 4 adjusts the relative position of cabin 1 and fourth support 406, the inside of cabin 1 is fixedly installed with paint spraying system 5 and baffle 6, the output end of paint spraying system 5 is fixedly connected with multiple first pipes 7, paint spraying system 5 is communicated with multiple first pipes 7, the outer wall of multiple first pipes 7 is fixedly connected with baffle 6, the end of first pipe 7 is fixedly connected with spray head wobbler 8, first pipe 7 is communicated with spray head wobbler 8, the outer wall of spray head wobbler 8 is fixedly connected with baffle 6, the internal structure and working principle of watertight motor 403, paint spraying system 5, spray head wobbler 8, drying system 10, water pump 13, exhaust system 14, electrical box 15, dirt removal system 16 and polishing system 17 are all same with the paint spraying device for removing dirt of ship in the application publication No.CN114160349A.

[0025] The output end of spray head wobbler 8 is installed with paint spray head 9, spray head wobbler 8 is communicated with paint spray head 9, the outer wall of the inner side of baffle 6 is fixedly installed with drying system 10, the output end of drying system 10 is fixedly connected with second pipe 11, drying system 10 is communicated with second pipe 11, second pipe 11 is provided with multiple, the outer wall of second pipe 11 is fixedly connected with baffle 6, the end of second pipe 11 is fixedly connected with hot air spray head 12, second pipe 11 is communicated with hot air spray head 12, the upper portion of cabin 1 is fixedly connected with water pump 13 and exhaust system 14, water pump 13 and exhaust system 14 are all communicated with the inside of cabin 1.

[0026] The drainage mechanism 3 comprises a cylinder body 301, a supporting rod 302, a spring 303, a first support 304, a through hole 305 and a rubber plug 306, the outer wall of the cylinder body 301 is fixedly connected with the cabin body 1, the inside of the cylinder body 301 is fixedly connected with the supporting rod 302, the supporting rod 302 does not cause obstruction to the inside of the cylinder body 301, the upper portion of the supporting rod 302 is fixedly connected with the spring 303, the model of the spring 303 is selected according to actual use requirements, and the working requirements are met; the end portion of the spring 303 is fixedly connected with the first support 304, the spring 303 can drive the first support 304 to slide under the elastic action, the outer wall of the first support 304 is slidably connected with the cylinder body 301, the inside of the first support 304 is provided with the through hole 305, the through hole 305 is convenient for water to pass through, the end portion of the first support 304 is fixedly connected with the rubber plug 306, the rubber plug 306 increases the sealing property between the first support 304 and the cylinder body 301, the outer wall of the rubber plug 306 is attached with the cylinder body 301, and the rubber plug 306 plugs the inside of the cylinder body 301;

[0027] The water in the sealed space formed between the cabin body 1 and the ship body enters the inside of the cylinder body 301 and drives the rubber plug 306 to move downward, the rubber plug 306 drives the fourth support 304 to slide downward, the fourth support 304 compresses the spring 303, the water in the sealed space formed between the cabin body 1 and the ship body enters the cylinder body 301 and is discharged from the lower portion of the cylinder body 301 through the through hole 305, the water in the sealed space formed between the cabin body 1 and the ship body is discharged, the exhaust system 14 is closed, the spring 303 drives the fourth support 304 to slide upward under the elastic action, the fourth support 304 drives the rubber plug 306 to move upward, the rubber plug 306 is attached with the cylinder body 301 and plugs the inside of the cylinder body 301, so that the water outside the cylinder body 301 cannot enter the sealed space formed between the cabin body 1 and the ship body, and the negative pressure is not generated in the inside of the cabin body 1 during the drainage, so that the water in the inside of the cabin body 1 is conveniently discharged.

[0028] The moving mechanism 4 comprises a second support 401, a third support 402, a watertight motor 403, a lead screw 404, a lead screw nut 405, a fourth support 406, a sliding block 407 and a sliding rod 408, the second support 401 and the third support 402 are both fixedly connected to the outer wall of the cabin body 1, an organ case can be installed on the second support 401 and the third support 402 to avoid impurities entering between the sliding block 407 and the sliding rod 408, the lead screw 404 and the lead screw nut 405 support, the outer wall of the third support 402 is fixedly connected with the watertight motor 403, the output shaft of the watertight motor 403 is fixedly connected with the lead screw 404, the watertight motor 403 drives the lead screw 404 to rotate, the outer wall of both ends of the lead screw 404 is rotatably connected with the third support 402 through bearings, the outer wall of the lead screw 404 is threadedly connected with the lead screw nut 405, the lead screw 404 drives the lead screw nut 405 to move, the upper portion of the lead screw nut 405 is fixedly connected with the fourth support 406, the lead screw nut 404 drives the fourth support 406 to move, the end portion of the fourth support 406 is fixedly connected with the sliding block 407, the fourth support 406 drives the sliding block 407 to move, the sliding block 407 is slidably connected with the outer wall of the sliding rod 408, the sliding block 407 slides on the outer wall of the sliding rod 408, both ends of the sliding rod 408 are fixedly connected with the second support 401, the sliding block 407 and the sliding rod 408 guide the movement of the fourth support 406, the inside of the fourth support 406 is fixedly connected with the electrical box 15, the electrical box 15 drives the electrical devices inside the device, the inside of the fourth support 406 is provided with the pollution removal system 16 and the polishing system 17, the pollution removal system 16 and the polishing system 17 polish and remove the pollution of the position of the ship body which needs to be painted;

[0029] The watertight motor 403 drives the lead screw 404 to rotate, the lead screw 404 drives the lead screw nut 405 to move, the lead screw nut 404 drives the fourth support 406 to move, the fourth support 406 drives the sliding block 407 to move, the sliding block 407 and the sliding rod 408 guide the movement of the fourth support 406, the fourth support 406 drives the pollution removal system 16 and the polishing system 17 to move, when the ship body is cleaned or adsorbed, the relative position between the fourth support 406 and the cabin body 1 is adjusted by the watertight motor 403, so that they do not affect each other, and the relative position between the cabin body 1 and the upper support can be adjusted according to the actual use requirement during use.

[0030] Working principle:

[0031] In the use of the underwater cleaning paint spraying device for ship, when the device is in working mode, first start the water jet propeller 2 to push the device to the ship body, until the propeller is pushed to the preset position (the position sensor can be configured to detect the relative distance of the device to the ship body), the control mechanism (external controller) controls the cleaning system 16 and polishing system 17 to run, and the surface of the ship body is cleaned and polished, the water jet propeller 2 pushes the device to move upwards along the surface of the ship body, and the travel distance of the device is recorded by using the travel range finder, when the travel distance reaches the hatch size of the cabin body 1 (for example, the diameter of the circular hatch), the water jet propeller 2 controls the device to stop the current travel process, and enters the preparation stage before painting, at this time, the cleaning system 16 and polishing system 17 stop running, the water jet propeller 2 controls the device to generate lifting force and thrust towards the surface of the ship body, so that the hatch of the cabin body 1 is closely attached to the surface of the ship body;

[0032] The relative position adjustment stage between the fourth support and the cabin body:

[0033] When the relative position between the fourth support 406 and the cabin body 1 needs to be adjusted during the cleaning or attachment of the ship body, the water-tight motor 403 is started, the water-tight motor 403 drives the lead screw 404 to rotate, the lead screw 404 drives the lead screw nut 405 to move, the lead screw nut 404 drives the fourth support 406 to move, the fourth support 406 drives the sliding block 407 to move, the sliding block 407 and the sliding rod 408 guide the movement of the fourth support 406, the fourth support 406 drives the cleaning system 16 and the polishing system 17 to move, and the relative position between the fourth support 406 and the cabin body 1 is adjusted by the water-tight motor 403 during the cleaning or adsorption of the ship body, so that the relative position between the fourth support 406 and the cabin body 1 can be adjusted according to the actual use during the cleaning or attachment of the ship body, so that they can not affect each other, and the relative position between the cabin body 1 and the upper support can be adjusted according to the actual use demand during use;

[0034] Drainage stage:

[0035] The hatch of the cabin body 1 is tightly attached to the hull surface, the exhaust system 14 is started, the exhaust system 14 blows air to the inside of the cabin body 1, the water in the sealed space formed between the cabin body 1 and the hull enters the inside of the barrel body 301, and drives the rubber plug 306 to move downward, the rubber plug 306 drives the fourth support 304 to slide downward, the fourth support 304 compresses the spring 303, the water in the sealed space formed between the cabin body 1 and the hull enters the barrel body 301 and then is discharged from the lower part of the barrel body 301 through the through hole 305, the exhaust system 14 is closed after the water in the sealed space formed between the cabin body 1 and the hull is exhausted, the spring 303 drives the fourth support 304 to slide upward under the elastic action, the fourth support 304 drives the rubber plug 306 to move upward, the rubber plug 306 is attached to the barrel body 301 and blocks the inside of the barrel body 301, so that the water outside the barrel body 301 cannot enter the sealed space formed between the cabin body 1 and the hull, and the inside of the cabin body 1 will not be under negative pressure during the water draining, so that the water in the cabin body 1 is conveniently drained;

[0036] Paint spraying stage:

[0037] The control mechanism starts the drying system 10 to operate, low-pressure hot air is sprayed to the hull surface through the hot air nozzle 12, and the drying degree of the hull surface is detected by means of the temperature and humidity sensor, until the moisture on the hull surface is blown dry, during the water draining and drying, the pressure difference protection mechanism is always in a standby state and is started to operate for ventilation at any time, so that the pressure difference between the inner cavity of the cabin body 1 and the outside of the cabin is always kept within a safe range, after the temperature and humidity in the cabin body 1 reach the paint spraying requirements, the drying system 10 is closed, the paint spraying system 5 is started, and the paint is sprayed to the hull surface through the paint nozzle 9, and the paint spraying operation is completed, during this period, the control mechanism simultaneously starts the nozzle swing device 8 to operate, and drives the paint nozzle 9 to swing up, down, left and right, after the paint spraying operation is completed, the control mechanism starts the drying system 10 to operate again, and the paint on the hull surface is blown dry, the control mechanism can detect the drying degree of the paint surface by means of the temperature and humidity sensor, after the paint is dried, the control mechanism starts the water pump 13 to inject water into the sealed space formed between the cabin body 1 and the hull, during the water injection, the air in the sealed space formed between the cabin body 1 and the hull is discharged through the barrel body 301, when the internal and external pressures of the sealed space formed between the cabin body 1 and the hull are balanced, the cabin body 1 is automatically separated from the hull, then the control mechanism controls the water spraying propeller 2 to continue to move upwards along the hull surface, enters the next dirt removing, polishing and paint spraying operation process, and continues to maintain and maintain the operation of other parts of the hull surface.

[0038] Although the utility model has been illustrated and described by referring to the preferred embodiments, it should be understood by those skilled in the art that various changes in form and details can be made within the scope of the claims.

Claims

1. An underwater decontamination paint spraying device for a ship, comprising a cabin (1) and water jet propellers (2), a plurality of water jet propellers (2) are fixedly installed on the outer wall of the cabin (1), characterized in that: The lower part of the cabin body (1) is provided with a drainage mechanism (3), the outer wall of the cabin body (1) is provided with a moving mechanism (4), the inside of the cabin body (1) is fixedly installed with a paint spraying system (5) and a partition plate (6), the output end of the paint spraying system (5) is fixedly connected with a plurality of first pipes (7), the outer wall of the plurality of first pipes (7) is fixedly connected with the partition plate (6), the end of the first pipe (7) is fixedly connected with a nozzle wobbler (8), and the outer wall of the nozzle wobbler (8) is fixedly connected with the partition plate (6).

2. An underwater paint removal and repainting system for a marine vessel as claimed in claim 1 wherein: The drainage mechanism (3) comprises a cylinder (301), the outer wall of the cylinder (301) is fixedly connected with the cabin body (1), the inside of the cylinder (301) is fixedly connected with a supporting rod (302), the upper part of the supporting rod (302) is fixedly connected with a spring (303), the end of the spring (303) is fixedly connected with a first support (304), the outer wall of the first support (304) is slidably connected with the cylinder (301), the inside of the first support (304) is provided with a through hole (305), the end of the first support (304) is fixedly connected with a rubber plug (306), and the outer wall of the rubber plug (306) is attached with the cylinder (301).

3. An underwater paint removal and repainting system for a marine vessel as claimed in claim 1 wherein: The moving mechanism (4) comprises a second support (401) and a third support (402), the second support (401) and the third support (402) are fixedly connected with the outer wall of the cabin body (1), the outer wall of the third support (402) is fixedly connected with a water-tight motor (403), the output shaft of the water-tight motor (403) is fixedly connected with a lead screw (404), the outer wall of the two ends of the lead screw (404) is rotatably connected with the third support (402) through bearings, the outer wall of the lead screw (404) is threadedly connected with a lead screw nut (405), the upper part of the lead screw nut (405) is fixedly connected with a fourth support (406), the end of the fourth support (406) is fixedly connected with a sliding block (407), the outer wall of the sliding block (407) is slidably connected with a sliding rod (408), and the two ends of the sliding rod (408) are fixedly connected with the second support (401).

4. An underwater paint removal and repainting system for a marine vessel as claimed in claim 1, wherein: The output end of the nozzle wobbler (8) is provided with a paint nozzle (9), and the inner wall of the partition plate (6) is fixedly installed with a drying system (10).

5. An underwater paint removal and repainting system for a marine vessel as claimed in claim 4 wherein: The output end of the drying system (10) is fixedly connected with a second pipe (11), the outer wall of the second pipe (11) is fixedly connected with the partition plate (6), and the end of the second pipe (11) is fixedly connected with a hot air nozzle (12).

6. An underwater paint removal and repainting system for a marine vessel as claimed in claim 1, wherein: The upper part of the cabin body (1) is fixedly connected with a water pump (13) and an exhaust system (14), and the water pump (13) and the exhaust system (14) are communicated with the inside of the cabin body (1).

7. An underwater paint removal and repainting system for a marine vessel as claimed in claim 3, wherein: The inside of the fourth support (406) is fixedly connected with an electrical box (15).

8. An underwater paint removal and repainting system for a marine vessel as claimed in claim 3, wherein: The inside of the fourth support (406) is provided with a decontamination system (16) and a polishing system (17).

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