Cleaning robot for intercepting net at water intake of nuclear power station

By designing a robot for cleaning the water intake of nuclear power plants, and utilizing propellers and cleaning devices, automated cleaning of marine debris and organisms has been achieved. This solves the problems of low efficiency and high risk associated with manual cleaning, ensuring the continuous cleanliness and safety of the water intake of nuclear power plants.

CN223696998UActive Publication Date: 2025-12-23YANGJIANG NUCLEAR POWER +1
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Patent Information

Application Number
CN202520264595.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-18
Publication Date
2025-12-23
Estimated Expiration
2035-02-18

AI Technical Summary

Technical Problem

The cleaning of the water intake interception net at nuclear power plants relies on manual divers, which is labor-intensive, inefficient, and risky, making it difficult to guarantee the continuous cleanliness and safety of the water intake.

Method used

Design a nuclear power plant intake interception net cleaning robot, equipped with vertical and horizontal propellers, cameras and supplementary lights, and equipped with cleaning devices including a recovery box, bucket, recovery target and conveyor components, which can automatically clean up marine debris and organisms underwater.

Benefits of technology

It improves cleaning efficiency and safety, ensures the continuous cleanliness of the water intake, avoids risks to divers in harsh environments, and expands the cleaning range and depth.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a nuclear power station water intake interception net cleaning robot which comprises a robot body and a cleaning device connected with the robot body. The robot body is provided with a shell, a vertical propeller thruster and a horizontal propeller thruster. A camera and a light supplementing lamp are arranged on the front side surface of the shell; the cleaning device comprises a recycling box, the first side face and the front side face are arranged on the same side, and the second side face and the rear side face are arranged on the same side. A bucket is arranged on the first side face of the recycling box, an inner cavity of the bucket communicates with an inner cavity of the recycling box, a recycling target is arranged in the bucket, and a driving assembly connected with the recycling target is further arranged on the outer side of the bucket. And the cleaning device can continuously perform cleaning operation, so that the working efficiency is greatly improved, the cleaning period is further shortened, and the cleanliness of the water intake of the nuclear power station is always kept at a relatively high level. The device can stably work in a severe underwater environment, and the safety risk faced by divers is effectively avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to nuclear power technology field especially relates to a nuclear power plant water intake intercepting net cleaning robot. BACKGROUND

[0002] Nuclear power plants need a large amount of cooling water in the operation process, which is usually taken from the sea, lakes or other large water bodies. In the process of cooling water being sucked in, jellyfish, fish and other marine organisms and other garbage will enter the water intake, causing cooling water blockage problems. This biological blockage not only affects the efficiency of the cooling system, and in severe cases may even lead to shutdown, resulting in huge economic losses and safety hazards. To ensure the safety of nuclear power cooling water, the waterway of the nuclear power plant water intake channel needs to be purified, and the nuclear power plant sets up multiple intercepting nets with different structures and different apertures in the water intake channel to intercept floating debris and marine organisms such as fish and shrimp from the sea.

[0003] The intercepting net is placed in the sea for a long time, and the net body will inevitably attach marine organisms and intercept part of the floating debris, so the marine organisms attached to the intercepting net need to be cleaned and maintained regularly. At present, divers mainly rely on underwater inspection and use high-pressure cleaning guns to clean the intercepting net with marine organisms. This traditional method of cleaning the intercepting net relies on manual labor, which not only has high labor intensity, but also has low work efficiency and high risk in harsh environments. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is to provide a nuclear power plant water intake intercepting net cleaning robot.

[0005] The utility model adopts the technical scheme to solve the technical problem: a nuclear power plant water intake intercepting net cleaning robot is constructed, which comprises a robot body and a cleaning device connected with the robot body.

[0006] The robot body is provided with a shell, and a plurality of vertical propellers and a plurality of horizontal propellers are installed on the shell. The shell has a front side and a rear side arranged oppositely. The front side of the shell is provided with at least one camera and at least one light supplementing lamp.

[0007] The cleaning device comprises a recycling box, which has a first side and a second side arranged oppositely. The first side is arranged on the same side as the front side, and the second side is arranged on the same side as the rear side. The first side of the recycling box is provided with a shovel, and the inner cavity of the shovel is in communication with the inner cavity of the recycling box. A recycling target is arranged in the shovel, and a driving assembly connected with the recycling target is arranged outside the shovel.

[0008] In some embodiments, the robot body is installed on the upper surface of the recycling box.

[0009] In some embodiments, the number of vertical propellers is two, the two vertical propellers are arranged in intervals, and the two vertical propellers are arranged close to the front side of the shell.

[0010] In some embodiments, the number of horizontal propellers is two, the two horizontal propellers are arranged in intervals, and the two horizontal propellers are arranged close to the rear side of the shell.

[0011] In some embodiments, the bucket has a bottom plate, a top plate, a first side plate, and a second side plate; the first side plate and the second side plate are arranged in parallel, the first side plate and the second side plate are connected to the top plate and the bottom plate respectively, and the bottom plate is wedge-shaped.

[0012] In some embodiments, the recycling target includes a rotating shaft, the rotating shaft is installed on the first side plate and the second side plate, and a first end of the rotating shaft protrudes from the first side plate.

[0013] The rotating shaft is provided with a plurality of rows of rake branches, and the rake branches in each row are arranged in a staggered manner.

[0014] The driving assembly includes a first driving motor, a driving wheel, a driven wheel, and a synchronous belt; the first driving motor is installed on the top plate, the driving wheel is installed on the output end of the first driving motor, the driven wheel is installed on the first end of the rotating shaft, and the synchronous belt connects the driving wheel and the driven wheel.

[0015] In some embodiments, the recycling box is further provided with a conveying assembly, the conveying assembly includes a second driving motor, a gear box, a first circular roller, a second circular roller, and a conveying belt; the first circular roller is arranged close to the second side of the recycling box, the second circular roller is arranged close to the first side of the recycling box, the second driving motor is connected to the first circular roller through the gear box, and the conveying belt connects the first circular roller and the second circular roller.

[0016] In some embodiments, the upper surface of the conveying belt is slightly lower than the upper surface of the bottom plate of the bucket.

[0017] In some embodiments, the rear side of the recycling box is provided with a recycling window.

[0018] In some embodiments, the shell is further provided with a plurality of lifting rings.

[0019] The nuclear power plant water intake intercepting net cleaning robot has the advantages that the nuclear power plant water intake intercepting net cleaning robot can continuously perform cleaning operation, greatly improves work efficiency, further shortens the cleaning period, and ensures that the cleanliness of the nuclear power plant water intake is always maintained at a high level. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the utility model, the utility model will be further described below in combination with the drawings and embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and therefore should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor. In the drawings:

[0021] Figure 1 It is a structure schematic view of the nuclear power plant water intake intercepting net cleaning robot in some embodiments of the utility model;

[0022] Figure 2 It is a partial structure schematic view of the nuclear power plant water intake intercepting net cleaning robot in some embodiments of the utility model;

[0023] Figure 3 It is a side view of the nuclear power plant water intake intercepting net cleaning robot in some embodiments of the utility model;

[0024] Figure 4 It is Figure 3 The cross-sectional view of the nuclear power plant water intake intercepting net cleaning robot along A-A line shown in the figure. DETAILED DESCRIPTION

[0025] In order to have a more clear understanding of the technical features, purposes and effects of the utility model, the specific implementation mode of the utility model will be described in detail with reference to the drawings. In the following description, it should be understood that the directions or position relations indicated by "front", "back", "up", "down", "left", "right", "vertical", "horizontal", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail" and the like are based on the directions or position relations shown in the drawings, the specific directions are constructed and operated, and are only for the convenience of describing the technical scheme, and cannot be understood as indicating that the devices or elements must have the specific directions, and therefore cannot be regarded as a limitation on the utility model.

[0026] It should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing", "arranging" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements or the interaction relationship between two elements. When an element is referred to as "on" or "below" another element, the element can be "directly" or "indirectly" above the other element, or there can be one or more intervening elements. The terms "first", "second", "third" and the like are only for the convenience of describing the technical solutions, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features with "first", "second", "third" and the like can be explicitly or implicitly included one or more of the features. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] In the following description, specific details such as specific system structures, techniques, etc. are presented in order to facilitate a thorough understanding of the embodiments of the present application for the purpose of explanation, rather than for the purpose of limitation. However, it should be clear to those skilled in the art that the present application can also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits and methods are omitted to avoid unnecessary details that hinder the description of the present application.

[0028] Referring to Figures 1 to 4 The utility model discloses a kind of nuclear power plant water intake interception net cleaning robots, which can be used to clean marine garbage and marine organisms on nuclear power plant water intake interception net, the nuclear power plant water intake interception net cleaning robot includes robot body 10 and the cleaning device 20 connected with the robot body 10.The robot body 10 is installed on the upper surface of the recycling box 21, the robot body 10 can be detachably installed on the upper surface of the recycling box 21, the robot body 10 can be detachably installed on the upper surface of the recycling box 21 by screw connection mode, or it can be fixed by buckle connection mode. Alternatively, the robot body 10 can be fixedly installed on the upper surface of the recycling box 21, which is not specifically limited here.

[0029] In some embodiments, the robot body 10 is provided with a shell 11, and a plurality of vertical propellers 12 and a plurality of horizontal propellers 13 are installed on the shell 11. The shell 11 has a front side and a rear side arranged opposite to each other.

[0030] The vertical propeller propeller 12 is installed on the shell 11, and can include a vertical driving motor and a vertical propeller connected to the vertical driving motor. The vertical driving motor and the vertical propeller can be arranged vertically to the upper surface of the robot body 10. When the vertical driving motor drives the vertical propeller to rotate, it provides a downward thrust to the robot body 10, so that the lower surface of the cleaning device 20 can be tightly attached to the interception net while overcoming the buoyancy of seawater. The number of vertical propeller propellers 12 is two, and the two vertical propeller propellers 12 are arranged at intervals and close to the front side of the shell 11.

[0031] The horizontal propeller propeller 13 can include a horizontal driving motor and a horizontal propeller connected to the horizontal driving motor. The axis of the horizontal driving motor and the horizontal propeller is parallel to the upper surface of the robot body 10. When the horizontal driving motor drives the horizontal propeller to rotate, it generates a forward thrust to drive the cleaning device 20 to move on the interception net. Preferably, the number of horizontal propeller propellers 13 is two, and the two horizontal propeller propellers 13 are arranged at intervals and close to the rear side of the shell 11. The two horizontal propeller propellers 13 can be respectively symmetrically installed on the left and right sides of the rear side of the shell 11. By adjusting the output thrust of the two horizontal propeller propellers 13 to generate a thrust difference, the moving direction of the nuclear power plant water intake interception net cleaning robot can be changed. The vertical propeller propeller 12 and the horizontal propeller propeller 13 described above can use the propeller propeller of the prior art, which is not limited here.

[0032] In some embodiments, the front side of the shell 11 is provided with at least one camera 14 and at least one light supplementing lamp 15; preferably, the number of light supplementing lamps 15 can be two, and the two light supplementing lamps 15 are symmetrically fixed on the left and right sides of the camera 14, which is used for the operator to observe the environment in front of the cleaning device 20 and monitor the process of recycling marine organisms and garbage. The camera 14 can be a high-definition camera, which can be connected to the display terminal of the operator through wired or wireless mode. The display terminal includes but is not limited to tablet or industrial computer, which is not limited here.

[0033] In some embodiments, the shell 11 is also provided with a plurality of lifting rings 111, which facilitates the hoisting of the nuclear power plant water intake interception net cleaning robot. In addition, the shell 11 can also be provided with underwater batteries, underwater industrial computers and the like, which are not limited here.

[0034] In some embodiments, the cleaning device 20 is used to collect marine organisms and other garbage on the interception net during the movement of the cleaning robot body 10. The cleaning device 20 can include a recycling bin 21 having first and second opposite sides, the first side being disposed on the same side as the front side, and the second side being disposed on the same side as the rear side; the first side of the recycling bin 21 is provided with a shovel 22, the inner cavity of the shovel 22 is in communication with the inner cavity of the recycling bin 21, and the shovel 22 is provided with a recycling target 23 inside, and the outer side of the shovel 22 is further provided with a driving assembly 24 connected with the recycling target 23.

[0035] As shown in Figure 1 and Figure 2 , in some embodiments, the bottom plate 221, the top plate 222, the first side plate 223 and the second side plate 224 of the shovel 22 are arranged in parallel, and the first side plate 223 and the second side plate 224 are connected to the top plate 222 and the bottom plate 221 respectively. The bottom plate 221 is wedge-shaped to facilitate insertion into the bottom of marine garbage and move it to the entrance of the shovel 22.

[0036] As shown in Figure 1 and Figure 2 , in some embodiments, the recycling target 23 includes a rotating shaft 231 mounted on the first side plate 223 and the second side plate 224, and the first end of the rotating shaft 231 protrudes from the first side plate 223; the rotating shaft 231 is provided with a plurality of rows of rake branches 232, and each row of rake branches 232 is arranged alternately; specifically, a plurality of rows of rake branches 232 are arranged around the axis of the rotating shaft 231, and each row of rake branches 232 is arranged alternately to prevent garbage entering the recycling bin 21 from leaking through the gap between the rake branches 232.

[0037] As shown in Figure 1 and Figure 2 , in some embodiments, the driving assembly 24 includes a first driving motor 241, a driving wheel 242, a driven wheel 243 and a synchronous belt 244; the first driving motor 241 is mounted on the top plate 222, the driving wheel 242 is mounted on the output end of the first driving motor 241, the driven wheel 243 is mounted on the first end of the rotating shaft 231, and the synchronous belt 244 connects the driving wheel 242 and the driven wheel 243. Under the drive of the first driving motor 241, the synchronous belt 244 drives the recycling rake 23 to rotate, so as to send marine organisms and other garbage at the entrance of the shovel 22 into the recycling bin 21. The first driving motor 241 can be a servo motor, which has a positive and negative rotation function and has high adjustment accuracy.

[0038] As shown in Figures 2 to 4As shown, in some embodiments, the recycling box 21 is also provided with a conveying assembly 25, which comprises a second driving motor 251, a gear box 252, a first circular roller 253, a second circular roller 254 and a conveying belt 255. The first circular roller 253 is arranged close to the second side of the recycling box 21, the second circular roller 254 is arranged close to the first side of the recycling box 21, the second driving motor 251 is connected with the first circular roller 253 through the gear box 252, and the conveying belt 255 connects the first circular roller 253 and the second circular roller 254.

[0039] The upper surface of the conveying belt 255 is slightly lower than the upper surface of the bottom plate 221 of the bucket 22. The second driving motor 251 drives the first circular roller 253 to rotate through the gear box 252, and then drives the conveying belt 255 to convey the marine garbage at the entrance of the recycling box 21 to the inside of the recycling box 21. The second driving motor 251 can be a servo motor, which has a forward and reverse rotation function and has high adjustment accuracy. The gear box 252 can be a speed reduction gear box. The second driving motor 251 and the gear box 252 can be selected from existing technologies, which are not limited here.

[0040] In some embodiments, the rear side of the recycling box 21 is provided with a recycling window 211. Specifically, the recycling window 211 is arranged at the rear of the recycling box 21 for taking out the marine garbage inside. The recycling window 211 is closed during the process of collecting garbage and is opened when taking out the garbage. The marine garbage in the recycling box 21 can be taken out from the recycling box 21 by manual or suction pump.

[0041] The nuclear power plant water intake interception net cleaning robot has the following advantages:

[0042] The robot body 10 drives the cleaning device 20 to walk close to the nuclear power plant water intake interception net through the vertical propeller thruster 12 and the horizontal propeller thruster 13 installed on the shell 11, and can change the moving direction of the cleaning device 20 by adjusting the rotating speed of the two horizontal propeller thrusters 13 at the rear of the shell 11. In this process, the operator finds the marine garbage on the interception net through the camera 14 and the fill light 15. When the marine garbage is found, the vertical propeller thruster 12 and the horizontal propeller thruster 13 are operated, so that the bucket 22 is inserted below the garbage and the garbage is sent to the entrance of the recycling box 21 by the recycling rake 23, and then conveyed to the inside of the recycling box 21 by the conveying assembly 25, thereby completing the collection of marine garbage once. After cleaning, the marine garbage collected in the recycling box 21 is taken out through the recycling window 211 at the rear of the recycling box 21 by manual or suction pump.

[0043] The nuclear power plant water intake interception net cleaning robot has the following advantages:

[0044] (1) Improved operational efficiency and continuity: The nuclear power plant intake interception net cleaning robot can continuously carry out cleaning operations, greatly improving work efficiency. In addition, the nuclear power plant intake interception net cleaning robot can operate 24 hours a day without interruption, further shortening the cleaning cycle and ensuring that the cleanliness of the nuclear power plant intake is always maintained at a high level.

[0045] (2) Enhanced operational safety: In deep-water environments, divers face significant safety risks, such as high pressure, low temperature, undercurrents, and potential nuclear radiation. The nuclear power plant intake interception net cleaning robot, however, can operate stably in harsh underwater environments, effectively avoiding the safety risks faced by divers. It can complete complex cleaning tasks without endangering personnel safety.

[0046] (3) Expanding the scope and depth of operations: Nuclear power plant intakes are often located in the deep sea, in areas inaccessible to humans. Divers are limited by equipment and technical conditions, making it impossible for them to reach these areas for cleaning. However, the nuclear power plant intake interception net cleaning robot is not subject to this limitation. It can reach underwater areas that are difficult for humans to access, and conduct a comprehensive and meticulous cleaning of the nuclear power plant intake. This capability not only expands the scope of operations but also ensures the thoroughness and comprehensiveness of the cleaning work.

[0047] It is understood that the above embodiments only illustrate preferred embodiments of the present utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the present utility model patent. It should be noted that for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present utility model, all of which fall within the protection scope of the present utility model. Therefore, all equivalent transformations and modifications made within the scope of the claims of the present utility model should fall within the coverage of the claims of the present utility model.

Claims

1. A nuclear power plant intake screen cleaning robot, characterized by, The robot body (10) and the cleaning device (20) connected with the robot body (10) are comprised; The robot body (10) is provided with a shell (11), and a plurality of vertical propellers (12) and a plurality of horizontal propellers (13) are installed on the shell (11); the shell (11) has oppositely arranged front and rear sides, and the front side of the shell (11) is provided with at least one camera (14) and at least one light supplementing lamp (15); The cleaning device (20) comprises a recycling box (21), the recycling box (21) has oppositely arranged first and second sides, the first side is arranged on the same side as the front side, and the second side is arranged on the same side as the rear side; the first side of the recycling box (21) is provided with a shovel (22), the inner cavity of the shovel (22) is in communication with the inner cavity of the recycling box (21), a recycling target (23) is arranged in the shovel (22), and a driving assembly (24) connected with the recycling target (23) is further arranged on the outer side of the shovel (22).

2. The nuclear power plant intake screen cleaning robot of claim 1, wherein, The robot body (10) is installed on the upper surface of the recycling box (21).

3. The nuclear power plant intake screen cleaning robot of claim 1, wherein, The number of vertical propellers (12) is two, the two vertical propellers (12) are arranged at intervals, and the two vertical propellers (12) are arranged close to the front side of the shell (11).

4. The nuclear power plant intake screen cleaning robot of claim 1, wherein, The number of horizontal propellers (13) is two, the two horizontal propellers (13) are arranged at intervals, and the two horizontal propellers (13) are arranged close to the rear side of the shell (11).

5. The nuclear power plant intake screen cleaning robot of claim 1, wherein, The shovel (22) comprises a bottom plate (221), a top plate (222), a first side plate (223) and a second side plate (224); the first side plate (223) and the second side plate (224) are arranged in parallel, the first side plate (223) and the second side plate (224) are connected with the top plate (222) and the bottom plate (221) respectively, and the bottom plate (221) is wedge-shaped.

6. The nuclear power plant intake screen cleaning robot of claim 5, wherein, The recycling target (23) comprises a rotating shaft (231), the rotating shaft (231) is installed on the first side plate (223) and the second side plate (224), and a first end of the rotating shaft (231) protrudes from the first side plate (223); A plurality of rows of rake branches (232) are arranged on the rotating shaft (231), and the rake branches (232) in each row are arranged alternately; The driving assembly (24) comprises a first driving motor (241), a driving wheel (242), a driven wheel (243) and a synchronous belt (244); the first driving motor (241) is installed on the top plate (222), the driving wheel (242) is installed on the output end of the first driving motor (241), the driven wheel (243) is installed on the first end of the rotating shaft (231), and the synchronous belt (244) connects the driving wheel (242) and the driven wheel (243).

7. The nuclear power plant intake screen cleaning robot of claim 6, wherein, The recycling box (21) is internally provided with a conveying assembly (25), which comprises a second driving motor (251), a gear box (252), a first circular roller (253), a second circular roller (254) and a conveying belt (255), the first circular roller (253) is arranged close to the second side of the recycling box (21), the second circular roller (254) is arranged close to the first side of the recycling box (21), the second driving motor (251) is connected with the first circular roller (253) through the gear box (252), and the conveying belt (255) is connected with the first circular roller (253) and the second circular roller (254).

8. The nuclear power plant intake screen cleaning robot of claim 7, wherein, The upper surface of the conveying belt (255) is slightly lower than the upper surface of the bottom plate (221) of the bucket (22).

9. The nuclear power plant intake screen cleaning robot of claim 1, wherein, The rear side of the recycling box (21) is provided with a recycling window (211).

10. The nuclear power plant intake screen cleaning robot of claim 1, wherein, The shell (11) is further provided with a plurality of lifting rings (111).