Rotary water jet and laser combined underwater laser cleaning and additive repairing device

Abstract

The utility model provides a rotary water jet and laser composite underwater laser cleaning and additive repairing device which comprises a barrel, a laser operation mechanism, a rotary cleaning mechanism and a dirt recycling mechanism are arranged in the barrel, the rotary cleaning mechanism is located on the outer side of the laser operation mechanism and surrounds the laser operation mechanism, and the dirt recycling mechanism is located on the outer side of the rotary cleaning mechanism. The dirt recycling mechanism is located on the outer side of the rotary cleaning mechanism and surrounds the rotary cleaning mechanism, and the laser operation mechanism, the rotary cleaning mechanism and the dirt recycling mechanism communicate with one another; the device further comprises protective coatings, and the protective coatings are arranged on the inner walls of the laser operation mechanism, the rotary cleaning mechanism and the dirt recycling mechanism and the outer wall of the barrel. The device is simple in structure, improves the quality and working efficiency of underwater laser cleaning and additive repairing, reduces environmental pollution in the operation process, prolongs the service life of the device, reduces the working cost, is high in practicability, and belongs to the technical field of laser cleaning and additive repairing.

Description

Technical Field

[0001] The utility model relates to the technical field of laser cleaning and additive repair, in particular to an underwater laser cleaning and additive repair device combining a rotating water jet and a laser. Background Art

[0002] Underwater laser cleaning technology uses a high-energy laser beam to act on the surface of a material, causing the pollutants on the material surface to quickly vaporize or peel off, thereby realizing the cleaning of the material surface. Underwater laser cleaning technology is very suitable for cleaning the damaged surface of marine equipment before underwater laser additive repair operations, and has broad market prospects and development potential.

[0003] However, when performing underwater laser cleaning on marine equipment, the pollutants peeled off from the material surface will hinder the transmission of the laser, resulting in poor cleaning effect, low cleaning efficiency, and environmental pollution caused by the pollutants entering the water environment. In addition, for marine equipment serving in the water environment for a long time, a large number of marine organisms adhere to its surface, and these marine organisms will also hinder the transmission of the laser, affecting the cleaning quality and efficiency. Moreover, the underwater laser cleaning device works in the water environment for a long time, and corrosion will occur under the influence of the water environment, affecting its service life and increasing the working cost. Based on this, the utility model has developed an underwater laser cleaning and additive repair device combining a rotating water jet and a laser. Summary of the Utility Model

[0004] In order to solve the above technical problems, the technical solution adopted in this application is to provide an underwater laser cleaning and additive repair device combining a rotating water jet and a laser, so as to solve the technical problems of poor cleaning quality, low working efficiency, short service life, and high working cost existing in the existing underwater laser cleaning device.

[0005] An embodiment of this application provides an underwater laser cleaning and additive repair device combining a rotating water jet and a laser, including a cylinder body. A laser operation mechanism, a rotating cleaning mechanism, and a dirt recovery mechanism are arranged inside the cylinder body. The rotating cleaning mechanism is located outside the laser operation mechanism and surrounds the laser operation mechanism. The dirt recovery mechanism is located outside the rotating cleaning mechanism and surrounds the rotating cleaning mechanism. The laser operation mechanism, the rotating cleaning mechanism, and the dirt recovery mechanism are interconnected; a protective coating is further included, and the inner walls of the laser operation mechanism, the rotating cleaning mechanism, the dirt recovery mechanism, and the outer wall of the cylinder body are all provided with the protective coating.

[0006] In one embodiment, the laser operation mechanism is provided with a laser operation chamber, the laser operation chamber is located inside the cylinder body, an opening is provided at the top end of the laser operation chamber, a light-transmitting lens is arranged inside the opening, and the bottom end of the laser operation chamber penetrates through the cylinder body.

[0007] In one embodiment, a plurality of air inlets are circumferentially distributed at the top of the laser operation chamber. The air inlets communicate with the laser operation chamber. The air inlets are inclined, and the intersection point of the central extension lines thereof is located directly above the laser operation area.

[0008] In one embodiment, the rotary cleaning mechanism is provided with a rotary cleaning chamber. The rotary cleaning chamber is located outside the laser operation chamber and surrounds the laser operation chamber. The upper cross-section of the rotary cleaning chamber is disc-shaped, the middle cross-section is annular, and the lower longitudinal section is conical with the bottom expanding outwards. The lower part of the rotary cleaning chamber penetrates through the cylinder body.

[0009] In one embodiment, a plurality of water inlets are circumferentially distributed on the side wall of the cylinder body. The water inlets are tangent to the inner wall of the rotary cleaning chamber. The water inlets communicate with the upper part of the rotary cleaning chamber.

[0010] In one embodiment, a frustum-shaped rotary cone wheel is rotatably connected inside the lower part of the rotary cleaning chamber. The conical surface of the rotary cone wheel is provided with spiral blades.

[0011] In one embodiment, the dirt recovery mechanism is provided with a dirt recovery chamber. The dirt recovery chamber is located outside the rotary cleaning chamber and surrounds the rotary cleaning chamber. The bottom end of the dirt recovery chamber penetrates through the cylinder body. The inner wall of the rotary cleaning chamber is smooth and streamlined.

[0012] In one embodiment, a plurality of recovery ports are circumferentially distributed on the side wall of the cylinder body. The recovery ports are tangent to the inner wall of the dirt recovery chamber. The recovery ports communicate with the dirt recovery chamber.

[0013] In one embodiment, the lower end surfaces of the laser operation chamber, the rotary cleaning chamber, and the dirt recovery chamber are located on the same plane. A flow blocking ring is provided on the outer edge of the bottom of the cylinder body. The flow blocking ring is located outside the dirt recovery chamber and surrounds the dirt recovery chamber. The lower end surface of the flow blocking ring is lower than the lower end surfaces of the laser operation chamber, the rotary cleaning chamber, and the dirt recovery chamber.

[0014] In one embodiment, the protective coating includes a protective paint or a protective film.

[0015] The present utility model provides an underwater laser cleaning and additive repair device combining rotary water jet and laser. Compared with the prior art, its beneficial effects are as follows:

[0016] (1) The utility model uses a laser operation mechanism, a rotary cleaning mechanism and a dirt recovery mechanism in cooperation. The rotary cleaning mechanism uses a high-speed rotating spiral high-pressure water jet to wash and remove marine organisms attached to the surface of the equipment to be cleaned. Subsequently, the laser operation mechanism is used for laser cleaning to strip rust, coatings and other cleaning dirt, exposing the clean surface of the equipment. Then, the laser operation mechanism is used for underwater laser additive repair operation. At the same time, the spiral high-pressure water jet takes away the marine organisms removed during the cleaning and additive repair processes, the generated cleaning dirt and additive soot, and discharges them through the dirt recovery mechanism, realizing real-time collection and treatment of pollutants during the operation process, which not only ensures the quality and efficiency of underwater laser cleaning and additive repair, but also effectively reduces environmental pollution during the operation process.

[0017] (2) The utility model protects the device by setting protective coatings on the inner walls of the laser operation mechanism, the rotary cleaning mechanism, the dirt recovery mechanism and the outer wall of the cylinder body, avoiding corrosion when it works in the water environment for a long time, extending its service life and reducing the working cost.

[0018] The structure of the utility model is simple, which improves the quality and working efficiency of underwater laser cleaning and additive repair, reduces environmental pollution during the operation process, extends the service life of the device, reduces the working cost, and has high practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the following drawings are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 It is a schematic structural diagram of an underwater laser cleaning and additive repair device combining a rotary water jet and a laser provided by an embodiment of the present application;

[0021] Figure 2 For Figure 1 The schematic cross-sectional structure diagram of the underwater laser cleaning and additive repair device combining a rotary water jet and a laser shown;

[0022] Figure 3 For Figure 1 The schematic structural diagram of the rotary cone wheel of the underwater laser cleaning and additive repair device combining a rotary water jet and a laser shown;

[0023] Figure 4 For Figure 1 The schematic front view structural diagram of the underwater laser cleaning and additive repair device combining a rotary water jet and a laser shown;

[0024] Figure 5 For Figure 4 the schematic cross-sectional structure diagram of the A-A section of the underwater laser cleaning and additive repair device with a combined rotating water jet and laser as shown;

[0025] Figure 6 For Figure 4 the schematic cross-sectional structure diagram of the B-B section of the underwater laser cleaning and additive repair device with a combined rotating water jet and laser as shown.

[0026] Explanation of symbols in the figure:

[0027] 1. Laser operation mechanism; 101. Flange; 102. Transparent lens; 103. First fastening bolt; 104. Air inlet; 105. Laser operation chamber;

[0028] 2. Rotating cleaning mechanism; 201. Water inlet; 202. Rotating cleaning chamber; 203. Support bearing; 204. Second fastening bolt; 205. Rotating cone pulley; 206. Spiral blade;

[0029] 3. Dirt recovery mechanism; 301. Recovery port; 302. Dirt recovery chamber; 303. Flow blocking ring;

[0030] 4. Cylinder body. Detailed implementation manners

[0031] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application clearer and more understandable, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0032] It should be noted that when an element is referred to as being "fixed" or "arranged" with another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected" with another element, it can be directly connected to the other element or indirectly connected to the other element.

[0033] It should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present application and simplifying the description, and cannot be understood as indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present application. In addition, the terms "first", "second", "third", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.

[0034] Please refer to Figure 1 , which is a schematic structural diagram of an underwater laser cleaning and additive repair device combining a rotary water jet and a laser provided in an embodiment of the present application. For the convenience of description, only the parts related to this embodiment are shown and are described in detail as follows:

[0035] In one embodiment, please refer to Figures 2 - 3 , an underwater laser cleaning and additive repair device combining a rotary water jet and a laser, including a cylinder body 4. A laser operation mechanism 1, a rotary cleaning mechanism 2, and a dirt recovery mechanism 3 are provided inside the cylinder body 4. The rotary cleaning mechanism 2 is located outside the laser operation mechanism 1 and surrounds the laser operation mechanism 1. The dirt recovery mechanism 3 is located outside the rotary cleaning mechanism 2 and surrounds the rotary cleaning mechanism 2. The laser operation mechanism 1, the rotary cleaning mechanism 2, and the dirt recovery mechanism 3 are interconnected; a protective coating is further included. The inner walls of the laser operation mechanism 1, the rotary cleaning mechanism 2, and the dirt recovery mechanism 3, as well as the outer wall of the cylinder body 4, are all provided with a protective coating. The laser operation mechanism 1 is used in cooperation with a cleaning laser and an additive repair laser, and the dirt recovery mechanism 3 is connected to an external dirt filtering device.

[0036] By arranging the laser operation mechanism 1, the rotary cleaning mechanism 2, and the dirt recovery mechanism 3 to work in cooperation, the rotary cleaning mechanism 2 uses a high-speed rotating spiral high-pressure water jet to wash away the marine organisms attached to the surface of the equipment to be cleaned. Subsequently, laser cleaning is performed by the laser operation mechanism 1 to peel off rust, coatings, and other cleaning dirt, exposing the clean surface of the equipment. Then, underwater laser additive repair operations are performed by the laser operation mechanism 1; at the same time, the spiral high-pressure water jet takes away the marine organisms removed during the cleaning and additive repair processes, the generated cleaning dirt, and the additive smoke and dust, and discharges them through the dirt recovery mechanism 3, realizing real-time collection and treatment of pollutants during the operation process, which not only ensures the quality and efficiency of underwater laser cleaning and additive repair, but also effectively reduces environmental pollution during the operation process. By providing a protective coating on the inner walls of the laser operation mechanism 1, the rotary cleaning mechanism 2, and the dirt recovery mechanism 3, as well as the outer wall of the cylinder body 4, the device is protected to avoid corrosion during long-term operation in a water environment, extend its service life, and reduce the working cost.

[0037] In one embodiment, please refer to Figures 1 - 2, the laser operation mechanism 1 is provided with a laser operation chamber 105. The laser operation chamber 105 is located inside the cylinder body 4. The top end of the laser operation chamber 105 is provided with an opening, and a light-transmitting lens 102 is arranged in the opening. The bottom end of the laser operation chamber 105 penetrates through the cylinder body 4. A plurality of air inlets 104 are circumferentially distributed at the top of the laser operation chamber 105. The air inlets 104 are communicated with the laser operation chamber 105. The air inlets 104 are inclined, and the intersection point of the central extension lines thereof is located 10 - 20 mm directly above the laser operation area. The air inlets 104 are used to introduce high-pressure gas into the laser operation chamber 105.

[0038] In this embodiment, please refer to Figures 1 - 2 , the cylinder body 4 is integrally cylindrical. The light-transmitting lens 102 is located at the center of the top end of the laser operation chamber 105. The light-transmitting lens 102 is an equal-thickness antireflection glass, which serves as the transmission path for the high-energy laser beam of the cleaning laser and the additive repair laser during underwater laser cleaning and additive repair operations. A flange 101 is arranged on the light-transmitting lens 102. The flange 101 is connected to the cylinder body 4 through the first fastening bolts 103. The flange 101 and the first fastening bolts 103 can ensure good sealing performance. A plurality of air inlets 104 are circumferentially and equidistantly distributed at the top of the laser operation chamber 105.

[0039] Please refer to Figures 1 - 2 , by designing the air inlets 104 to be eccentric to the axis of the laser operation chamber 105, and the intersection point of the central extension lines thereof is located directly above the center of the lower end face (laser operation area) of the laser operation chamber 105. When the high-pressure gas enters the laser operation chamber 105 through the air inlets 104, the high-pressure gas can effectively suppress the upward climbing of the cleaning dirt during the underwater laser operation process and the soot generated during the additive process, and can blow away the pollutants with the help of the high-pressure air flow. Under the gas pressure, the cleaning dirt and the additive soot are forced to diffuse and flow around along the small distance between the bottom of the laser operation chamber 105 and the working surface, greatly ensuring the laser transmission efficiency.

[0040] In one of the embodiments, please refer to Figures 1 - 3 , the rotary cleaning mechanism 2 is provided with a rotary cleaning chamber 202. The rotary cleaning chamber 202 is located outside the laser operation chamber 105 and surrounds the laser operation chamber 105. The upper cross-section of the rotary cleaning chamber 202 is disc-shaped, the middle cross-section is annular, and the lower longitudinal section is conical with the bottom expanding outwards. The lower part of the rotary cleaning chamber 202 penetrates through the cylinder body 4. A plurality of water inlets 201 are circumferentially distributed on the side wall of the cylinder body 4. The water inlets 201 are tangent to the inner wall of the rotary cleaning chamber 202. The water inlets 201 are communicated with the upper part of the rotary cleaning chamber 202. A frustum-shaped rotary cone wheel 205 is rotatably connected inside the lower part of the rotary cleaning chamber 202. A spiral blade 206 is arranged on the conical surface of the rotary cone wheel 205.

[0041] In this embodiment, please refer to Figures 1 - 3 , the water inlet 201 is provided with at least 6 water inlets. The water inlets 201 are circumferentially and evenly distributed on the side wall of the cylinder body 4 and are used to introduce high-pressure water flow into the rotary cleaning chamber 202. A support bearing 203 is arranged in the conical cavity at the lower part of the rotary cleaning chamber 202. The support bearing 203 is connected to the side wall of the laser operation chamber 105 through a second fastening bolt 204. The lower end surface of the support bearing 203 is flush with the lower end surface of the laser operation chamber 105. A rotary cone wheel 205 is arranged on the support bearing 203, and the rotary cone wheel 205 rotates at high speed through the support bearing 203.

[0042] Please refer to Figures 4 - 5 , by setting the water inlet 201 to be tangent to the inner wall of the rotary cleaning chamber 202, after the high-pressure water flow enters the rotary cleaning chamber 202 through the water inlet 201, it flows downward in a spiral shape, forming a spiral high-pressure water flow; by setting the rotary cone wheel 205 with spiral blades 206, when the spiral high-pressure water flow flows downward through the spiral blades 206, it pushes the rotary cone wheel 205 to rotate at high speed. The rotation of the rotary cone wheel 205 causes the spiral high-pressure water flow to be accelerated and thrown out at the bottom of the rotary cleaning chamber 202, forming a spiral high-pressure water jet, removing the marine organisms attached to the surface of the equipment to be cleaned, reducing the attenuation of laser transmission by marine organisms during underwater laser cleaning, and greatly improving the quality and working efficiency of underwater laser cleaning; at the same time, the spiral high-pressure water jet can also throw out the cleaning dirt and additive smoke and dust generated during underwater laser cleaning and underwater laser additive repair, improving the quality and working efficiency of underwater laser cleaning and underwater laser additive repair; in addition, the spiral high-pressure water jet can form an obstacle to the surrounding water environment during the height lifting process of underwater laser additive repair, ensuring the stability of the local dry space in the additive repair area, and greatly improving the quality and working efficiency of underwater laser additive repair.

[0043] In one embodiment, please refer to Figures 1 - 2 , the dirt recovery mechanism 3 is provided with a dirt recovery chamber 302. The dirt recovery chamber 302 is located outside the rotary cleaning chamber 202 and surrounds the rotary cleaning chamber 202. The bottom end of the dirt recovery chamber 302 penetrates through the cylinder body 4; the inner wall of the rotary cleaning chamber 202 is a smooth streamline. A number of recovery ports 301 are circumferentially distributed on the side wall of the cylinder body 4. The recovery ports 301 are tangent to the inner wall of the dirt recovery chamber 302. The recovery ports 301 are communicated with the dirt recovery chamber 302, and the outer ends of the recovery ports 301 are connected to an external dirt filtering device.

[0044] In this embodiment, please refer to Figures 1 - 2 , the recovery ports 301 are provided with at least 6 recovery ports. The recovery ports 301 are circumferentially and evenly distributed on the side wall of the cylinder body 4 and are used to discharge the cleaning dirt and additive smoke and dust.

[0045] In one embodiment, please refer to Figures 1 - 2 , the lower end surfaces of the laser operation chamber 105, the rotary cleaning chamber 202, and the dirt recovery chamber 302 are located on the same plane; a flow blocking ring 303 is provided on the outer edge of the bottom of the cylinder body 4, and the flow blocking ring 303 is located outside the dirt recovery chamber 302 and surrounds the dirt recovery chamber 302. The lower end surface of the flow blocking ring 303 is lower than the lower end surfaces of the laser operation chamber 105, the rotary cleaning chamber 202, and the dirt recovery chamber 302. By providing the flow blocking ring 303, when the device performs laser operation on the surface of the equipment to be cleaned, except for the flow blocking ring 303 being in contact with the surface of the equipment to be cleaned, there is a small distance between the bottom ends of the laser operation chamber 105, the rotary cleaning chamber 202, and the dirt recovery chamber 302 and the surface of the equipment to be cleaned, which is convenient for the discharge of cleaning dirt and additive soot.

[0046] Please refer to Figure 4 and Figure 6 , by providing the dirt recovery chamber 302 with a smooth streamline inner wall and cooperating with the flow blocking ring 303, and by setting the recovery port 301 to be tangent to the inner wall of the dirt recovery chamber 302, the cleaning dirt and additive soot generated in the laser operation chamber 105 and the marine organisms separated from the surface of the equipment in the rotary cleaning chamber 202 are driven by the spiral high-pressure water jet and spread out spirally outward together. Under the obstruction of the flow blocking ring 303, the high-pressure water flow and air flow carrying the cleaning dirt and additive soot climb upward spirally. During the upward process, they flow out through the recovery port 301 along the streamline inner wall of the dirt recovery chamber 302 and enter the external dirt filtering device, realizing the real-time recovery of pollutants during the underwater laser cleaning and additive repair process, improving the working efficiency, and reducing environmental pollution.

[0047] In one embodiment, the protective coating can be a protective paint or a protective film, depending on the specific situation. The protective coating is used to protect the device, prevent it from being corroded when working in the water environment for a long time, extend its service life, and reduce the working cost.

[0048] The following will describe in combination with Figures 1 - 6 , the working process of a rotary water jet and laser composite underwater laser cleaning and additive repair device of the present application is as follows:

[0049] During use, first, the device is delivered to the surface of the equipment to be cleaned, so that the flow-blocking ring 303 is in close contact with the equipment to be cleaned. Then, high-pressure gas and high-pressure water flow are introduced into the laser operation chamber 105 and the rotary cleaning chamber 202 through the air inlet 104 and the water inlet 201 in sequence. The device starts to move forward along the cleaning direction to remove the marine organisms attached to the surface of the equipment to be cleaned. The removed marine organisms flow out through the recovery port 301. When the moving distance of the device exceeds the radius of the device, the central area of the device exposes the surface of the equipment to be cleaned without attached marine organisms. At this time, the cleaning laser is turned on, and the device moves in the reverse direction to perform underwater laser cleaning operations. The cleaning dirt and additive smoke and dust generated during the operation flow out through the recovery port 301 and enter the external dirt filtering device for treatment.

[0050] After the underwater laser cleaning operation is completed, the cleaning laser is turned off, and the device stops moving. The additive repair laser is turned on, and the device moves in the reverse direction of the underwater laser cleaning operation path to perform underwater laser additive repair operations.

[0051] After the underwater laser additive repair operation is completed, the additive repair laser is turned off, and the device stops moving. High-pressure gas and high-pressure water flow continue to be introduced. After all the pollutants in the device are collected, the high-pressure gas and high-pressure water flow are turned off, and the device is recovered, and the operation ends.

[0052] The utility model provides an underwater laser cleaning and additive repair device combining rotary water jet and laser. By setting the laser operation mechanism, rotary cleaning mechanism and dirt recovery mechanism to work together, the rotary cleaning mechanism uses a high-speed rotating spiral high-pressure water jet to wash and remove the marine organisms attached to the surface of the equipment to be cleaned. Subsequently, the laser operation mechanism performs laser cleaning to peel off cleaning dirt such as rust and coatings, exposing the clean equipment surface. Then, the laser operation mechanism performs underwater laser additive repair operations. At the same time, the spiral high-pressure water jet takes away the marine organisms removed during the cleaning and additive repair processes, the cleaning dirt generated, and the additive smoke and dust, and discharges them through the dirt recovery mechanism, realizing real-time collection and treatment of pollutants during the operation, which not only ensures the quality and efficiency of underwater laser cleaning and additive repair, but also effectively reduces environmental pollution during the operation. By setting a protective coating on the inner walls of the laser operation mechanism, rotary cleaning mechanism, dirt recovery mechanism and the outer wall of the cylinder body to protect the device, it is avoided that the device corrodes after working in the water environment for a long time, extends its service life, and reduces the working cost. The utility model has a simple structure, improves the quality and working efficiency of underwater laser cleaning and additive repair, reduces environmental pollution during the operation, extends the service life of the device, reduces the working cost, has high practicability, and can be widely applied to the technical fields of laser cleaning and additive repair.

[0053] Those of ordinary skill in the art can realize that the units and algorithm steps of each example described in combination with the embodiments disclosed herein can be implemented by electronic hardware or a combination of computer software and electronic hardware. Whether these functions are executed in a hardware or software manner depends on the specific application and design constraints of the technical solution. A professional technician can use different methods to implement the described functions for each specific application, but such implementation should not be considered to exceed the scope of this application.

[0054] The above-described embodiments are only used to illustrate the technical solutions of this application, rather than to limit them; although this application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of each embodiment of this application, and should all be included in the protection scope of this application.

Claims

1. An underwater laser cleaning and additive repair device combining a rotating water jet and a laser, comprising a cylinder (4), characterized in that: The barrel (4) is provided with a laser operating mechanism (1), a rotary cleaning mechanism (2) and a dirt recovery mechanism (3); the rotary cleaning mechanism (2) is located outside the laser operating mechanism (1) and surrounds the laser operating mechanism (1); the dirt recovery mechanism (3) is located outside the rotary cleaning mechanism (2) and surrounds the rotary cleaning mechanism (2); the laser operating mechanism (1), the rotary cleaning mechanism (2) and the dirt recovery mechanism (3) are interconnected; and a protective coating is also included, and the inner walls of the laser operating mechanism (1), the rotary cleaning mechanism (2), the dirt recovery mechanism (3) and the outer wall of the barrel (4) are all provided with the protective coating.

2. The underwater laser cleaning and additive repair device of rotating water jet and laser composite according to claim 1 is characterized in that: The laser operation mechanism (1) is provided with a laser operation chamber (105), and the laser operation chamber (105) is located in the cylinder (4). An opening is provided at the top of the laser operation chamber (105), and a light-transmitting lens (102) is provided in the opening. The bottom end of the laser operation chamber (105) passes through the cylinder (4).

3. The underwater laser cleaning and additive repair device of rotating water jet and laser composite according to claim 2 is characterized in that: A plurality of air inlets (104) are distributed on the top circumference of the laser operation chamber (105), and the air inlets (104) are connected to the laser operation chamber (105). The air inlets (104) are arranged at an angle, and the intersection point of the extended center lines thereof is located directly above the laser operation area.

4. The underwater laser cleaning and additive repair device of rotating water jet and laser composite according to claim 2 is characterized in that: The rotary cleaning mechanism (2) is provided with a rotary cleaning chamber (202), and the rotary cleaning chamber (202) is located outside the laser operation chamber (105) and surrounds the laser operation chamber (105); the upper cross section of the rotary cleaning chamber (202) is disc-shaped, the middle cross section is circular, and the lower longitudinal section is conical with the bottom expanding outwards, and the lower part of the rotary cleaning chamber (202) passes through the barrel (4).

5. The underwater laser cleaning and additive repair device of rotating water jet and laser composite according to claim 4 is characterized in that: A plurality of water inlets (201) are circumferentially distributed on the side wall of the cylinder (4); the water inlets (201) are tangent to the inner wall of the rotary cleaning chamber (202); and the water inlets (201) are in communication with the upper portion of the rotary cleaning chamber (202).

6. The underwater laser cleaning and additive repair device of rotating water jet and laser composite according to claim 4 is characterized in that: A frustum-shaped rotating cone wheel (205) is rotatably connected in the lower part of the rotating cleaning chamber (202), and spiral blades (206) are provided on the conical surface of the rotating cone wheel (205).

7. The underwater laser cleaning and additive repair device of rotating water jet and laser composite according to claim 4 is characterized in that: The dirt recovery mechanism (3) is provided with a dirt recovery chamber (302), the dirt recovery chamber (302) is located outside the rotary cleaning chamber (202) and surrounds the rotary cleaning chamber (202), and the bottom end of the dirt recovery chamber (302) passes through the cylinder (4); the inner wall of the rotary cleaning chamber (202) is smooth and streamlined.

8. The underwater laser cleaning and additive repair device of rotating water jet and laser composite according to claim 7 is characterized in that: A plurality of recovery ports (301) are circumferentially distributed on the side wall of the cylinder (4); the recovery ports (301) are tangent to the inner wall of the waste recovery chamber (302); and the recovery ports (301) are in communication with the waste recovery chamber (302).

9. The underwater laser cleaning and additive repair device of rotating water jet and laser composite according to claim 7 is characterized in that: The lower end surfaces of the laser operation chamber (105), the rotary cleaning chamber (202), and the dirt recovery chamber (302) are located in the same plane; a baffle ring (303) is provided on the outer edge of the bottom of the cylinder (4); the baffle ring (303) is located on the outer side of the dirt recovery chamber (302) and surrounds the dirt recovery chamber (302); the lower end surface of the baffle ring (303) is lower than the lower end surfaces of the laser operation chamber (105), the rotary cleaning chamber (202), and the dirt recovery chamber (302).

10. The underwater laser cleaning and additive repairing device of the rotating water jet and laser composite according to any one of claims 1 to 9, characterized in that: The protective coating includes a protective paint or a protective film.

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