CN112657954A

CN112657954A - Device and method for underwater laser cleaning for ocean engineering equipment

Info

Publication number: CN112657954A
Application number: CN202110095566.7A
Authority: CN
Inventors: 任旭东; 张鹏华; 童照鹏; 罗春晖; 顾嘉阳; 潘旭阳
Original assignee: Jiangsu University
Current assignee: Jiangsu University
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-04-16
Anticipated expiration: 2041-01-25
Also published as: CN112657954B

Abstract

The invention relates to the field of laser cleaning, and provides an underwater laser cleaning device and method suitable for ocean engineering equipment. Mainly comprises a laser cleaning system, a laser cleaning device moving system and a device moving system. The laser cleaning system comprises a laser cleaning head, an inner cover, an outer cover, an air spray gun, a distance sensor and a camera; the laser moving device comprises a fixing frame, a cross beam, a waterproof motor and a telescopic beam, and the device moving device comprises a rotating device and an adsorption device. This marine engineering equips with underwater laser belt cleaning device suitability is strong, and the sanitization is swift, can discharge the water layer fast when wasing under water and realize laser cleaning to can realize that the large tracts of land washs and can wash the difficult region that washs of manpower.

Description

Device and method for underwater laser cleaning for ocean engineering equipment

Technical Field

The invention relates to the technical field of laser cleaning, in particular to a laser cleaning device and method for ocean engineering equipment.

Background

The ocean engineering equipment is mostly on the sea, some parts are not in the seawater, some parts are soaked in the seawater, the whole equipment is large in size, irregular in shape, some places are large, some places are small and are difficult to clean by hands, laser cleaning is usually adopted for parts of detailed positions which are difficult to clean manually, a laser emitter is generally required to be used for cleaning by using the laser, the position of the emitter is usually fixed, the range of a laser beam emitted by the emitter is limited, the position of the laser emitter needs to be constantly adjusted for cleaning when the detail position with a large area is partially arranged, and ocean engineering equipment is great, and the detail position of treating the clearance is more, and when utilizing the laser clearance, in order to make the position of treating the clearance more abundant by the clearance, need constantly adjust laser emitter to lead to the very troublesome problem of clearance. Meanwhile, when the laser is directly cleaned underwater, a cavitation phenomenon can occur, and the phenomenon has uncertain factors on the cleaning part, so that the underwater laser cleaning device for ocean engineering equipment is designed for eliminating the factors.

Disclosure of Invention

The invention aims to provide an underwater laser cleaning device and method for ocean engineering equipment, which can eliminate the influence of factors such as cavitation generated in the underwater laser cleaning process and realize the cleaning of laser under the condition of no water layer.

In order to realize the invention, the technical scheme provided by the invention is as follows: the utility model provides an ocean engineering equipment is with abluent device of laser under water, includes the laser cleaning head, the laser cleaning head is fixed in the confined inner cover, the whole nestification of inner cover is in the dustcoat, install optical lens on the dustcoat, a plurality of gas outlet has been seted up on the dustcoat, the dustcoat is just right optical lens department is provided with the cavity district, the gas outlet is located near the cavity district, the inner cover with be provided with air spray gun between the dustcoat, air spray gun's air jet is located gas outlet department.

In the scheme, the outer cover is integrally installed on the fixing frame, and the outer cover can move freely in the horizontal direction and the vertical direction on the fixing frame.

In the above scheme, the mount includes the crossbeam and erects the roof beam, the dustcoat passes through horizontal waterproof motor to be installed on the crossbeam, the crossbeam passes through vertical waterproof motor to be installed in the spout of erecting the roof beam.

In the above scheme, the whole fixed frame is connected with the telescopic beam through the telescopic waterproof motor, and the telescopic beam is fixedly connected with the rotary moving device through the connecting beam.

In the above scheme, the rotary moving device is provided with an adsorption device, and the adsorption device is provided with a plurality of suckers.

In the above scheme, the outer cover is further provided with a camera and a distance sensor.

In the scheme, the metal screen is installed at the air outlet.

The invention provides an underwater laser cleaning method for ocean engineering equipment, which comprises the following steps: s1: after the rotary moving device moves to an area needing cleaning, the camera confirms the cleaning part, the part to be cleaned is identified, and the sucker on the adsorption device is only adsorbed on the surface of the part to be cleaned; s2: the telescopic beam controls the fixing frame to move forwards and backwards through the telescopic waterproof motor, and the distance sensor collects the distance between the cavity area and the part to be cleaned in time until the cavity area is tightly attached to the part to be cleaned; s3: the air spray gun starts to work to spray high-pressure gas, and the gas is simultaneously discharged from the gas outlet, the gap between the cavity area and the part to be cleaned along the cavity between the inner cover and the outer cover, so that the space between the optical lens and the part to be cleaned is filled with air; s4: the laser cleaning head starts to perform cleaning work; the beam moves up and down in the chute of the vertical beam, and the outer cover drives the laser cleaning head to move horizontally on the beam through the horizontal waterproof motor, so as to complete the cleaning work of the part to be cleaned; s5: after the cleaning work of the part to be cleaned is finished, the sucker on the adsorption device stops adsorbing, and the rotary moving device rotates, so that the whole device is driven to move, and the next area to be cleaned is searched.

The invention has the beneficial effects that: (1) the cover type structure effectively controls uncertain factors such as cavitation generated by laser in water; (2) the combination of the high-pressure spray gun and the laser cleaning can improve the cleanliness of the ocean engineering equipment to a great extent and discharge a water layer in the cover type structure; (3) the rotary moving device and the adsorption device are suitable for cleaning the surface of large-scale ocean engineering equipment, so that the cleanness degree of the ocean engineering equipment is ensured; (4) laser cleaning can protect ocean engineering equipment to the utmost extent, reduces the damage that washs and bring.

Drawings

FIG. 1 is a schematic view of the structure of one of the angles of the device of the present invention.

FIG. 2 is a schematic view of another angle of the device of the present invention.

Fig. 3 is a three-dimensional structural view of the inner and outer covers of the present invention.

Fig. 4 is a cross-sectional view of the inner and outer shrouds of the present invention.

In the figure: 1. the device comprises an adsorption device, a fixing frame, an outer cover, a water discharging hole, a vertical beam, a telescopic beam, a connecting beam, a rotary moving device, a telescopic waterproof motor, an air spray gun, an air outlet hole, a metal screen, an optical lens, a cavity area, a camera, a distance sensor, a laser cleaning head, a sucking disc, a horizontal waterproof motor and an inner cover, wherein the adsorption device comprises a fixing frame, an outer cover, a water discharging hole, a vertical beam, a cross beam, a telescopic beam, a connecting beam, a rotating moving device.

Detailed description of the invention

As shown in fig. 1 and 2, the invention relates to a laser cleaning device for ocean engineering equipment, which comprises a laser cleaning head 18, wherein the laser cleaning head 18 is fixed in a closed inner cover 21, the inner cover 21 is integrally nested in an outer cover 3, an optical lens 14 is installed on the inner cover 21, a plurality of air outlets 12 are formed in the outer cover 3, a cavity area 15 is arranged at a position of the outer cover 3, which is opposite to the optical lens 14, the air outlets 12 are located near the cavity area 15, and a metal screen 13 is installed at the air outlets 12. The outer cover 3 is further provided with a camera 16 and a distance sensor 17 (as shown in fig. 3), an air spray gun 11 is arranged between the inner cover 21 and the outer cover 3, and an air outlet of the air spray gun 11 is positioned at the air outlet 12 (as shown in fig. 4). The utility model discloses a waterproof motor, including the dustcoat 3, the dustcoat is installed on mount 2, mount 2 includes crossbeam 6 and perpendicular roof beam 5, dustcoat 3 is installed through horizontal waterproof motor 20 on crossbeam 6, crossbeam 6 is installed through vertical waterproof motor in the spout of perpendicular roof beam 5. The whole fixed frame 2 is connected with a telescopic beam 7 through a telescopic waterproof motor 10, and the telescopic beam is fixedly connected with a rotary moving device 9 through a connecting beam 8. The rotary moving device 9 is provided with an adsorption device 1, and the adsorption device 1 is provided with a plurality of suckers 19.

The laser cleaning head 18 is located inside the inner cover 21, can be isolated from the external water area, and cleans the surface of the part to be cleaned through an optical lens. The air spray gun 11 is arranged between the inner cover 21 and the outer cover 3, and can emit high-pressure gas to quickly discharge water between the inner cover 21 and the outer cover 3 from the air outlet 12, the cavity area 15 and the gap between the parts to be cleaned, so that laser can be cleaned in the cleaning parts under the condition that no water layer exists between the cavity area 15 and the surfaces of the parts to be cleaned. Be equipped with distance sensor 17 and camera 16 on the dustcoat 3, the mount is connected through flexible waterproof motor 10 with flexible roof beam, and distance sensor 17 is used for monitoring dustcoat 3 and treats the distance of washing part, adjusts the shift position of mount through flexible waterproof motor 10 for cavity district 5 can with treat to wash and form the closed region between the surface, and camera 16 is used for confirming whether washing of washing the position. The laser cleaning head 18 is positioned on the cross beam 6, and the horizontal waterproof motor 20 and the vertical waterproof motor are combined to realize that the laser cleaning head 18 completes the movement tracks in the horizontal direction and the vertical direction on the surface to be cleaned, so that the laser cleaning process of the whole surface to be cleaned is realized. The telescopic beam is connected with the rotary moving device 9 through the connecting beam, and the rotary moving device 9 is matched with the adsorption device 1 for use and used for realizing the fixation and the movement of the wall surface cleaning.

The specific implementation method comprises the following steps: s1: after the rotary moving device 9 moves to the area needing to be cleaned, the camera 16 confirms the cleaning part, the part to be cleaned is identified, and the sucking disc 19 on the sucking device 1 is only sucked on the surface of the part to be cleaned; s2: the telescopic beam 7 controls the fixed frame 2 to move back and forth through the telescopic waterproof motor 10, and the distance sensor 17 collects the distance between the cavity area 15 and the part to be cleaned in time until the cavity area 15 is tightly attached to the part to be cleaned; s3: the air spray gun 11 starts to work to spray high-pressure gas, and the gas is simultaneously discharged from the air outlet 12, the cavity area 15 and the gap between the part to be cleaned along the cavity between the inner cover 21 and the outer cover 3, so that the space between the optical lens 14 and the part to be cleaned is filled with air; s4: the laser cleaning head 18 starts cleaning work; the beam 6 moves up and down in the chute of the vertical beam 5, and the outer cover 3 drives the laser cleaning head 18 to move horizontally on the beam 6 through the horizontal waterproof motor 20, so as to complete the cleaning work of the part to be cleaned; s5: after the cleaning work of the part to be cleaned is finished, the sucking disc 19 on the sucking device 1 stops sucking, and the rotary moving device 9 rotates, so that the whole device is driven to move, and the next area to be cleaned is searched.

The embodiment is only used for illustrating the technical scheme of the invention, is not limited to the above embodiment, and is not limited to the invention in any form, and obvious modifications and substitutions made by those skilled in the art are within the protection scope of the invention.

Claims

1. The utility model provides an ocean engineering equipment is with abluent device of laser under water, its characterized in that, including laser cleaning head (18), laser cleaning head (18) are fixed in confined inner cover (21), inner cover (21) are whole to be nested in outer cover (3), install optical lens (14) on inner cover (21), a plurality of gas outlet (12) have been seted up on outer cover (3), outer cover (3) are just right optical lens (14) department is provided with cavity district (15), gas outlet (12) are located near cavity district (15), inner cover (21) with be provided with air gun (11) between outer cover (3), the jet orifice of air gun (11) is located gas outlet (12) department.

2. The device for underwater laser cleaning of ocean engineering equipment according to claim 1 is characterized in that the housing (3) is integrally mounted on the fixing frame (2), and the housing (3) can move freely on the fixing frame (2) in the horizontal and vertical directions.

3. The device for underwater laser cleaning of ocean engineering equipment according to claim 2, characterized in that the fixing frame (2) comprises a cross beam (6) and a vertical beam (5), the housing (3) is mounted on the cross beam (6) through a horizontal waterproof motor (20), and the cross beam (6) is mounted in a sliding groove of the vertical beam (5) through a vertical waterproof motor.

4. The underwater laser cleaning device for ocean engineering equipment according to claim 2 or 3, wherein the whole fixed frame (2) is connected with the telescopic beam (7) through a telescopic waterproof motor (10), and the telescopic beam is fixedly connected with the rotary moving device (9) through a connecting beam (8).

5. The device for cleaning the ocean engineering equipment by using the underwater laser as claimed in claim 4, wherein the rotary moving device (9) is provided with a suction device (1), and a plurality of suction cups (19) are arranged on the suction device (1).

6. An underwater laser cleaning device for ocean engineering equipment according to claim 1, 2 or 3, characterized in that the outer cover (3) is further provided with a camera (16) and a distance sensor (17).

7. An underwater laser cleaning device for ocean engineering equipment according to claim 1, 2 or 3, characterized in that a metal screen (13) is installed at the air outlet (12).

8. A method for cleaning an ocean engineering device by using underwater laser is characterized by comprising the following steps:

s1: after the rotary moving device (9) moves to an area needing cleaning, the camera (16) confirms a cleaning part, a part to be cleaned is identified, and a sucking disc (19) on the sucking device (1) is only sucked on the surface of the part to be cleaned;

s2: the telescopic beam (7) controls the fixed frame (2) to move back and forth through the telescopic waterproof motor (10), and the distance sensor (17) collects the distance between the cavity area (15) and the part to be cleaned in time until the cavity area (15) is tightly attached to the part to be cleaned;

s3: the air spray gun (11) starts to work and sprays high-pressure gas, and the gas is simultaneously discharged from the air outlet (12), the cavity area (15) and the gap between the part to be cleaned along the cavity between the inner cover (21) and the outer cover (3), so that the space between the optical lens (14) and the part to be cleaned is filled with air;

s4: the laser cleaning head (18) starts cleaning; the beam (6) moves up and down in a chute of the vertical beam (5), and the outer cover (3) drives the laser cleaning head (18) to move horizontally on the beam (6) through the horizontal waterproof motor (20) to complete the cleaning work of the part to be cleaned;

s5: after the cleaning work of the part to be cleaned is finished, the sucking disc (19) on the sucking device (1) stops sucking, and the rotary moving device (9) rotates, so that the whole device is driven to move, and the next area to be cleaned is searched.