Underwater cutting device and underwater robot comprising same

Abstract

The utility model discloses an underwater cutting device and an underwater robot comprising the underwater cutting device, and relates to the technical field of underwater cutting, the underwater cutting device comprises a cutting frame, the middle part of the cutting frame is provided with an arc-shaped slide rail, and a connecting plate is arranged between the cutting frame and the arc-shaped slide rail. According to the underwater cutting device and the underwater robot comprising the underwater cutting device, the arranged arc-shaped sliding rail can be attached to the surface of a pipeline in the using process, the arc-shaped sliding rail is magnetically attracted to the surface of the pipeline through the electromagnet, and the stability in the cutting process can be guaranteed; during cutting, a first waterproof motor and a second waterproof motor respectively drive a first gear and a second gear to rotate, so that the first gear and the second gear are meshed to drive an arc-shaped rack to rotate along an arc-shaped sliding rail, and oxygen-arc underwater cutting equipment can be started to perform all-directional cutting on the surface of a pipeline during rotation; and the cutting precision and efficiency can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of underwater cutting, in particular to an underwater cutting device and an underwater robot comprising the underwater cutting device. Background Art

[0002] Offshore platform exploration mainly uses offshore drilling platforms to explore and exploit seabed oil and gas resources. These platforms are not only the working bases for implementing seabed oil and gas exploration and exploitation, but also indicate the level of seabed oil and gas development technology. The main function of offshore drilling platforms is to create a platform on the ocean for drilling equipment to work normally. It is equipped with drilling, power, communication, navigation and other equipment, as well as safety and life-saving and personnel living facilities.

[0003] During offshore platform exploration, underwater cutting devices are often used to cut underwater pipes. However, existing underwater cutting devices have certain inconveniences when used.

[0004] First, existing underwater cutting devices can only cut pipes from one direction when in use, resulting in low cutting accuracy and inconvenience in fixing the pipe during cutting.

[0005] Secondly, the existing underwater cutting device is generally carried by an underwater robot, but the underwater robot of the existing underwater cutting device is not convenient for quickly diving and floating when in use, and it is not convenient for locating the diving depth when in use.

[0006] To this end, we propose an underwater cutting device and an underwater robot including the underwater cutting device. Utility Model Content

[0007] The main purpose of the present utility model is to provide an underwater cutting device and an underwater robot including the underwater cutting device, which can effectively solve the problems in the background technology.

[0008] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: an underwater cutting device, including a cutting frame, an arc-shaped slide rail is provided in the middle part of the cutting frame, a connecting plate is provided between the cutting frame and the arc-shaped slide rail, the outer wall of the arc-shaped slide rail is movably connected with an arc-shaped rack, the inner wall of the arc-shaped slide rail is fixedly connected with an electromagnet, the upper end outer surface of the arc-shaped rack is provided with an oxygen-arc underwater cutting device, the upper end outer surface of the cutting frame is provided with a first gear and a second gear, the first gear is located on one side of the second gear, and the lower end outer surface of the cutting frame is provided with a first waterproof motor and a second waterproof motor.

[0009] Preferably, the cutting frame is fixedly connected to the arc-shaped slide rail via a connecting plate, and the arc-shaped racks are meshed with the first gear and the second gear.

[0010] Preferably, the output end of the first waterproof motor is connected to one end of the first gear, and the output end of the second waterproof motor is connected to one end of the second gear.

[0011] An underwater robot for an underwater cutting device is also provided, comprising the underwater cutting device described in any one of the above items, wherein side panels are provided on both sides of the outer surface of the robot body, a sealed electrical box is provided on the upper end outer surface of the robot body, and a lifting compartment and a waterproof electric push rod are fixedly connected on the lower end outer surface of the robot body, and the lifting compartment is located on both sides of the waterproof electric push rod.

[0012] Preferably, the lower end outer surface of the side panel is fixedly connected to a drive turbine, the rear end outer surface of the sealed electrical box is detachably connected to a safety rope, the front end outer surface of the sealed electrical box is detachably connected to a diving camera, and the outer wall of the safety rope is fixedly connected to a meter mark.

[0013] Preferably, a horizontal plate is provided at the front end of the waterproof electric push rod, the front end outer surface of the lifting warehouse is detachably connected to a solenoid valve, the middle part of the lifting warehouse is movably connected to a piston plate, and the outer surface of one end of the piston plate is fixedly connected to a piston rod.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] The provided arc-shaped slide rail can be fitted on the surface of the pipe when in use, and can be magnetically attracted to the surface of the pipe by an electromagnet, which can ensure stability during cutting. During cutting, the first waterproof motor and the second waterproof motor respectively drive the first gear and the second gear to rotate, so that the first gear and the second gear are engaged to drive the arc-shaped rack to rotate along the arc-shaped slide rail. While rotating, the oxygen-arc underwater cutting equipment can be started to perform all-round cutting on the pipe surface, which can ensure the accuracy and efficiency of cutting; the waterproof electric push rod can drive the piston rod to move through the cross plate when in use, so that the piston rod can drive the piston plate to move in the lifting chamber. When it is necessary to dive quickly, the solenoid valve can be opened, and then the piston plate can be retracted under the drive of the waterproof electric push rod, so that seawater can enter the lifting chamber through the solenoid valve, so that the robot body can dive quickly. When it is necessary to rise, the piston plate can be pushed forward under the drive of the waterproof electric push rod, so that the seawater is pushed out of the lifting chamber, and the solenoid valve can be closed. At this time, the robot body can float quickly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a bottom view of the robot body of the present invention;

[0018] Figure 3This is a structural diagram of the cutting frame of the utility model.

[0019] In the figure: 1. Robot body; 2. Side panel; 3. Sealed electrical box; 4. Cutting frame; 5. Drive turbine; 6. Lifting chamber; 7. Safety rope; 8. Diving camera; 9. Meter mark; 10. Waterproof electric push rod; 11. Horizontal plate; 12. Solenoid valve; 13. Piston plate; 14. Piston rod; 15. Arc slide rail; 16. Connecting plate; 17. Arc rack; 18. Electromagnet; 19. Oxygen-arc underwater cutting equipment; 20. First gear; 21. Second gear; 22. First waterproof motor; 23. Second waterproof motor. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0021] like Figure 1-3 As shown, the underwater cutting device provided by the embodiment of the present invention includes a cutting frame 4, an arc-shaped slide rail 15 is provided in the middle of the cutting frame 4, a connecting plate 16 is provided between the cutting frame 4 and the arc-shaped slide rail 15, the outer wall of the arc-shaped slide rail 15 is movably connected with an arc-shaped rack 17, the inner wall of the arc-shaped slide rail 15 is fixedly connected with an electromagnet 18, the upper end outer surface of the arc-shaped rack 17 is provided with an oxygen-arc underwater cutting device 19, the upper end outer surface of the cutting frame 4 is provided with a first gear 20 and a second gear 21, the first gear 20 is located on one side of the second gear 21, and the lower end outer surface of the cutting frame 4 is provided with a first waterproof motor 22 and a second waterproof motor 23.

[0022] Specifically, in this embodiment, a cutting frame 4 is provided, a curved slide rail 15 is provided in the middle of the cutting frame 4, a connecting plate 16 is provided between the cutting frame 4 and the curved slide rail 15, an outer wall of the curved slide rail 15 is movably connected to an arc rack 17, an inner wall of the curved slide rail 15 is fixedly connected to an electromagnet 18, an upper end outer surface of the arc rack 17 is provided with an oxygen-arc underwater cutting device 19, an upper end outer surface of the cutting frame 4 is provided with a first gear 20 and a second gear 21, the first gear 20 is located on one side of the second gear 21, and a lower end outer surface of the cutting frame 4 is provided with a first gear 20. The waterproof motor 22 and the second waterproof motor 23, and the arc-shaped slide rail 15 can be attached to the surface of the pipe when in use, and are magnetically attracted to the surface of the pipe by the electromagnet 18, which can ensure stability during cutting. During cutting, the first waterproof motor 22 and the second waterproof motor 23 respectively drive the first gear 20 and the second gear 21 to rotate, so that the first gear 20 and the second gear 21 engage and drive the arc-shaped rack 17 to rotate along the arc-shaped slide rail 15. While rotating, the oxygen-arc underwater cutting equipment 19 can be started to perform all-round cutting on the pipe surface, which can ensure the accuracy and efficiency of cutting.

[0023] The underwater cutting device provided by the utility model, the arc-shaped sliding rail 15 is attached to the surface of the pipeline during use and is magnetically attracted to the surface of the pipeline by the electromagnet 18, so that the stability during cutting is ensured, the first waterproof motor 22 and the second waterproof motor 23 drive the first gear 20 and the second gear 21 to rotate respectively during cutting, the first gear 20 and the second gear 21 mesh to drive the arc-shaped rack 17 to rotate along the arc-shaped sliding rail 15, the oxygen-arc underwater cutting equipment 19 can cut the surface of the pipeline in all directions while rotating, so that the cutting precision and efficiency are ensured.

[0024] Specifically, the cutting frame 4 is fixedly connected with the arc-shaped sliding rail 15 through the connecting plate 16, the arc-shaped rack 17 is meshed with the first gear 20 and the second gear 21, and the first gear 20 and the second gear 21 are mainly used for driving the arc-shaped rack 17 to rotate, so that the arc-shaped rack 17 rotates around the arc-shaped sliding rail 15.

[0025] Specifically, the output end of the first waterproof motor 22 is connected with one end of the first gear 20, the output end of the second waterproof motor 23 is connected with one end of the second gear 21, and the first waterproof motor 22 and the second waterproof motor 23 drive the first gear 20 and the second gear 21 to rotate respectively.

[0026] The underwater robot of the underwater cutting device is also provided, which comprises the underwater cutting device in any one of the preceding aspects, the outer surfaces of the two sides of the robot main body 1 are provided with side plates 2, the outer surface of the upper end of the robot main body 1 is provided with a sealed electric box 3, the outer surface of the lower end of the robot main body 1 is fixedly connected with a lifting bin 6 and a waterproof electric push rod 10, the lifting bin 6 is located on the two sides of the waterproof electric push rod 10, and the sealed electric box 3 is mainly used for providing power for equipment during use.

[0027] The outer surface of the lower end of the side plate 2 is fixedly connected with a driving turbine 5, the outer surface of the rear end of the sealed electric box 3 is detachably connected with a safety rope 7, the outer surface of the front end of the sealed electric box 3 is detachably connected with a diving camera 8, and the outer wall of the safety rope 7 is fixedly connected with a meter mark 9, the driving turbine 5 can drive the robot main body 1 to move forward during use, the output power of the two driving turbines 5 can be controlled to facilitate the turning of the robot main body 1, the robot main body 1 can be recovered by the safety rope 7 during use, and the diving distance can be judged by the meter mark 9 on the safety rope 7.

[0028] Among them, a horizontal plate 11 is provided at the front end of the waterproof electric push rod 10, and a solenoid valve 12 is detachably connected to the outer surface of the front end of the lifting chamber 6. A piston plate 13 is movably connected to the middle part of the lifting chamber 6, and a piston rod 14 is fixedly connected to the outer surface of one end of the piston plate 13. When in use, the waterproof electric push rod 10 can drive the piston rod 14 to move through the horizontal plate 11, and the piston rod 14 can drive the piston plate 13 to move in the lifting chamber 6. When it is necessary to dive quickly, the solenoid valve 12 can be opened, and then the piston plate 13 can be recovered under the drive of the waterproof electric push rod 10, so that seawater can enter the lifting chamber 6 through the solenoid valve 12, so that the robot body 1 can dive quickly. When it is necessary to rise, the piston plate 13 can be pushed forward under the drive of the waterproof electric push rod 10, so that the seawater can be pushed out of the lifting chamber 6, and the solenoid valve 12 can be closed. At this time, the robot body 1 can float quickly.

[0029] It should be noted that the present invention is an underwater cutting device and an underwater robot including the underwater cutting device. When in use, the cutting frame 4 is at the front end of the robot body 1. The robot body 1 can be placed into the sea together with the cutting frame 4. At this time, the solenoid valve 12 can be opened, and then the waterproof electric push rod 10 can be started, so that the waterproof electric push rod 10 drives the piston rod 14 to move through the cross plate 11, and the piston rod 14 can drive the piston plate 13 to be recovered in the lifting chamber 6, so that seawater enters the lifting chamber 6 through the solenoid valve 12, so that the robot body 1 can dive quickly. When it needs to rise, the piston plate 13 can be pushed forward under the drive of the waterproof electric push rod 10 to push the seawater out of the lifting chamber 6, and the solenoid valve 12 can be closed. At this time, the robot body 1 can float up quickly. After diving to a certain extent. , the driving turbine 5 can be started to drive the robot body 1 to move forward, and the output power of the driving turbines 5 on both sides can be controlled to facilitate the steering of the robot body 1. When the robot body 1 reaches the cutting position, the cutting frame 4 can be driven to approach the pipe to be cut, and the arc-shaped slide rail 15 can be attached to the surface of the pipe when in use, and magnetically attracted to the surface of the pipe by the electromagnet 18, which can ensure stability during cutting. During cutting, the first waterproof motor 22 and the second waterproof motor 23 respectively drive the first gear 20 and the second gear 21 to rotate, so that the first gear 20 and the second gear 21 are engaged to drive the arc-shaped rack 17 to rotate along the arc-shaped slide rail 15. While rotating, the oxygen-arc underwater cutting equipment 19 can be started to perform all-round cutting on the pipe surface, which can ensure the accuracy and efficiency of cutting and is more practical.

[0030] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. An underwater cutting device comprising a cutting frame (4), characterized in that: An arc-shaped slide rail (15) is provided in the middle of the cutting frame (4), a connecting plate (16) is provided between the cutting frame (4) and the arc-shaped slide rail (15), an outer wall of the arc-shaped slide rail (15) is movably connected to an arc-shaped rack (17), an inner wall of the arc-shaped slide rail (15) is fixedly connected to an electromagnet (18), an oxygen-arc underwater cutting device (19) is provided on the outer surface of the upper end of the arc-shaped rack (17), a first gear (20) and a second gear (21) are provided on the outer surface of the upper end of the cutting frame (4), the first gear (20) is located on one side of the second gear (21), and a first waterproof motor (22) and a second waterproof motor (23) are provided on the outer surface of the lower end of the cutting frame (4).

2. The underwater cutting device according to claim 1, characterized in that: The cutting frame (4) is fixedly connected to the arc-shaped slide rail (15) via a connecting plate (16), and the arc-shaped rack (17) is meshedly connected to the first gear (20) and the second gear (21).

3. The underwater cutting device according to claim 1, characterized in that: The output end of the first waterproof motor (22) is connected to one end of the first gear (20), and the output end of the second waterproof motor (23) is connected to one end of the second gear (21).

4. An underwater robot for an underwater cutting device, comprising the underwater cutting device according to any one of claims 1 to 3, comprising a robot body (1), characterized in that: Side panels (2) are provided on both sides of the outer surface of the robot body (1), a sealed electrical box (3) is provided on the upper end outer surface of the robot body (1), and a lifting compartment (6) and a waterproof electric push rod (10) are fixedly connected to the lower end outer surface of the robot body (1), and the lifting compartment (6) is located on both sides of the waterproof electric push rod (10).

5. The underwater robot of the underwater cutting device according to claim 4, characterized in that: The lower end outer surface of the side panel (2) is fixedly connected to a driving turbine (5), the rear end outer surface of the sealed electric box (3) is detachably connected to a safety rope (7), the front end outer surface of the sealed electric box (3) is detachably connected to a diving camera (8), and the outer wall of the safety rope (7) is fixedly connected to a meter mark (9).

6. The underwater robot of the underwater cutting device according to claim 4, characterized in that: The front end of the waterproof electric push rod (10) is provided with a horizontal plate (11), the front end outer surface of the lifting chamber (6) is detachably connected to a solenoid valve (12), the middle part of the lifting chamber (6) is movably connected to a piston plate (13), and the outer surface of one end of the piston plate (13) is fixedly connected to a piston rod (14).

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