Underwater unmanned aerial vehicle for checking navigation mark anchor chain

Abstract

The utility model discloses an underwater unmanned aerial vehicle for checking a navigation mark anchor chain, which comprises a vehicle body, propellers respectively connected with two sides of the vehicle body, a limiting part for preventing the vehicle body from shifting and a checking part for checking the anchor chain, the limiting component comprises a mounting cavity formed in the inner side of the unmanned aerial vehicle body, a first rotating shaft connected with one side in the mounting cavity and a second rotating shaft connected with the other side in the mounting cavity. Although underwater monitoring can be carried out through a camera, an underwater unmanned aerial vehicle is very easy to wash away by ocean current when checking a navigation mark anchor chain, so that the position of the unmanned aerial vehicle is changed, the checking result is easy to be inaccurate, and when the camera is adjusted, a light source is not parallel to the camera, and the shooting effect is poor. And therefore, the practicability is insufficient.

Description

Technical Field

[0001] The utility model relates to the technical field of underwater unmanned aerial vehicles, in particular to an underwater unmanned aerial vehicle used for inspecting anchor chains of navigation marks. Background Art

[0002] Navigation mark is the abbreviation of aids to navigation, which refers to the signs indicating the direction, boundaries and obstacles of the waterway, including river crossing marks, coastal marks, guide marks, transition guide marks, bow and stern guide marks, side marks, left and right navigation marks, position markers, flood marks and bridge and culvert marks. Floating navigation marks usually need to be fixed with anchor chains, and the anchor chains need to be inspected regularly to ensure their safe use.

[0003] The existing patent CN218577997U discloses an underwater shooting drone, including a drone body, a base frame and a camera. A groove is provided on the top of the drone body, and a base frame is fixedly installed on the inside of the drone body at the bottom of the groove by bolts. A servo motor is fixedly installed at the center of one end of the base frame by bolts. A screw is fixedly installed at the output end of the servo motor, and the top end of the screw is connected to the center of the other end of the base frame through an axle seat. A movable block is connected through the thread on the screw, and a rotating seat is fixedly installed at both ends of the top side of the base frame by bolts. Beneficial effects: During the rotation of the movable block, the movable block can move back and forth through the limitation of the articulated rod and the limit groove. During the movement of the movable block, the angle of the movable plate on the rotating seat is adjusted by the hinge and the articulated rod, so as to adjust the angle of the camera on the movable plate, expand the range and angle of the drone underwater shooting, improve practical performance, simple structure, and easy operation.

[0004] Based on the search of the above patents and in combination with underwater drones in the prior art, it was found that although the above underwater drones can perform underwater monitoring through cameras when in use, the underwater drones can be easily washed away by ocean currents when inspecting the anchor chain of the navigation mark, causing the position of the drone to change, which can easily lead to inaccurate inspection results. In addition, when adjusting the camera, the light source does not remain parallel to the camera, resulting in poor shooting effects, which leads to insufficient practicality. Utility Model Content

[0005] The purpose of the utility model is to provide an underwater drone for inspecting anchor chains of navigation marks, so as to solve the problem that the existing underwater drones proposed in the above background technology can perform underwater monitoring through a camera when in use, but the underwater drones can be easily washed away by ocean currents when inspecting the anchor chains of navigation marks, resulting in changes in the position of the drone, which can easily lead to inaccurate inspection results, and when the camera is adjusted, the light source does not remain parallel to the camera, resulting in poor shooting effects, thereby causing the problem of insufficient practicality.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an underwater drone for inspecting navigation mark anchor chains, comprising a body, thrusters respectively connected to both sides of the body, a limiting component for preventing the body from shifting, and an inspection component for detecting the anchor chain, the limiting component comprising an installation cavity opened on the inner side of the body, a first rotating shaft connected to one side of the installation cavity, a second rotating shaft connected to the other side of the installation cavity, a first fixing ring connected to the outer side of the first rotating shaft, a second fixing ring connected to the outer side of the second rotating shaft, a first limiting plate connected to one side of the first fixing ring, a second limiting plate connected to one side of the second fixing ring, and a driving component for rotating the first limiting plate and the second limiting plate, the first rotating shaft and the second rotating shaft both pass through the installation cavity and are rotatably connected to the body.

[0007] Preferably, the inspection component includes an active cavity opened in the body, a first motor connected to the bottom of the active cavity, a drive shaft connected to the output end of the first motor, a protective box connected to the top of the drive shaft, transparent glass connected to one side of the protective box, a camera connected to the inner wall of the protective box, and a first LED lamp connected to the top of the protective box, and the drive shaft passes through the active cavity and is rotatably connected to the body.

[0008] Preferably, the driving component includes a main gear fixedly connected to the outer side of the first rotating shaft, a slave gear fixedly connected to the outer side of the second rotating shaft, and a second motor connected to the bottom of the first rotating shaft, the bottom of the second motor is fixedly connected to the bottom of the installation cavity, and the main gear and the slave gear are meshed.

[0009] Preferably, a rotating disk is fixedly connected to the outer side of the driving shaft, a supporting groove is opened on the top of the movable cavity, and supporting blocks are fixedly connected to the four sides of the top of the rotating disk, and the supporting blocks are slidably connected to each other.

[0010] Preferably, baffles are fixedly connected to both sides of the top of the body, and limit plates are fixedly connected to the outer sides of the first fixing ring and the second fixing ring.

[0011] Preferably, a plurality of rolling grooves arranged evenly are formed on the top of the support block, balls are arranged in the rolling grooves, and the balls are in contact with the top of the support grooves.

[0012] Preferably, second LED lamps are respectively installed on both sides of the protection box.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. By setting the machine body, the propeller and the limiting component, the second motor can drive the first shaft and the main gear to rotate clockwise, and then drive the slave gear and the second shaft to rotate counterclockwise. The rotation of the first shaft and the second shaft can drive the first fixing ring and the second fixing ring to rotate, and then drive the first limiting plate and the second limiting plate to rotate. The anchor chain can be limited between the first limiting plate and the second limiting plate, and the machine body can be restricted to a certain extent to prevent the machine body from shifting under the push of the ocean current, so as to ensure the inspection stability, improve the accuracy of the inspection result, and greatly improve the practicality of the device;

[0015] 2. By providing an inspection component, the anchor chain can be monitored and viewed in real time through the camera and the first LED light. The protection box can protect the camera to prevent it from being damaged. The first motor can drive the drive shaft to rotate, thereby driving the protection box, the camera and the first LED light to rotate synchronously, so that the irradiation direction of the LED light is synchronized with the shooting direction of the camera. The angle of the camera can be adjusted to facilitate observation of different positions of the anchor chain, thereby further improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the three-dimensional structure provided by the utility model;

[0017] Figure 2 A front view provided for the utility model;

[0018] Figure 3 The utility model provides Figure 2 The three-dimensional cross-section view at AA in the middle;

[0019] Figure 4 The utility model provides Figure 3 Enlarged view of point C in the middle;

[0020] Figure 5 A left side view provided for the utility model;

[0021] Figure 6 The utility model provides Figure 5 A three-dimensional cross-section view at the middle BB;

[0022] Figure 7 The utility model provides Figure 6 Enlarged view of point D in the middle.

[0023] In the figure: 1. body; 11. propeller; 21. installation cavity; 22. first rotating shaft; 23. second rotating shaft; 24. first fixing ring; 25. second fixing ring; 26. first limiting plate; 27. second limiting plate; 31. movable cavity; 32. first motor; 33. driving shaft; 34. protection box; 35. transparent glass; 36. camera; 37. first LED lamp; 41. main gear; 42. slave gear; 43. second motor; 51. rotating disk; 52. supporting groove; 53. supporting block; 61. baffle; 62. limiting plate; 71. rolling groove; 72. ball; 81. second LED lamp. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1 , Figure 2 , Figure 3 as well as Figure 4The utility model provides a technical solution: an underwater drone for inspecting a navigation mark anchor chain, comprising a body 1, a propeller 11 respectively connected to both sides of the body 1, a limiting component for preventing the body 1 from shifting, and an inspection component for detecting the anchor chain, the limiting component comprising an installation cavity 21 opened on the inner side of the body 1, a first rotating shaft 22 connected to one side of the installation cavity 21, a second rotating shaft 23 connected to the other side of the installation cavity 21, a first fixing ring 24 connected to the outer side of the first rotating shaft 22, a second fixing ring 25 connected to the outer side of the second rotating shaft 23, a first limiting plate 26 connected to one side of the first fixing ring 24, a second limiting plate 27 connected to one side of the second fixing ring 25, and a driving component for rotating the first limiting plate 26 and the second limiting plate 27, the first rotating shaft 22 and the second rotating shaft 23 both pass through the installation cavity 21 and are rotatably connected to the body 1, the body 1 can be controlled to move by the propeller 11, the first rotating shaft 22 and the second rotating shaft 23 can rotate in opposite directions, and then the first limiting plate 26 and the second limiting plate 27 can be driven to rotate in opposite directions. The first rotating shaft 22 can be rotated, and then it can be sleeved on the outside of the navigation mark anchor chain, which can prevent the body 1 from shifting when checking the anchor chain. The driving component includes a main gear 41 fixedly connected to the outside of the first rotating shaft 22, a slave gear 42 fixedly connected to the outside of the second rotating shaft 23, and a second motor 43 connected to the bottom of the first rotating shaft 22. The bottom of the second motor 43 is fixedly connected to the bottom of the installation cavity 21. The main gear 41 and the slave gear 42 are meshed. The second motor 43 can rotate the first rotating shaft 22, and then the main gear 41 can rotate, and then the slave gear 42 can rotate in the opposite direction, and then the second rotating shaft 23 can rotate in the opposite direction. The first limiting plate 26 and the second limiting plate 27 can be rotated by a single second motor 43, which can reduce the cost of use. Baffles 61 are fixedly connected to both sides of the top of the body 1, and the first fixing ring 24 and the second fixing ring 25 are fixedly connected to the outside of the limiting plate 62. The limiting plate 62 can rotate synchronously with the first fixing ring 24 and the second fixing ring 25 respectively, and the baffle 61 can limit the rotation angle of the limiting plate 62.

[0026] See also Figure 1 , Figure 5 , Figure 6 as well as Figure 7The inspection component includes an active cavity 31 opened in the body 1, a first motor 32 connected to the bottom of the active cavity 31, a driving shaft 33 connected to the output end of the first motor 32, a protection box 34 connected to the top of the driving shaft 33, a transparent glass 35 connected to one side of the protection box 34, a camera 36 connected to the inner wall of the protection box 34, and a first LED lamp 37 connected to the top of the protection box 34. The driving shaft 33 runs through the active cavity 31 and is rotatably connected to the body 1. When the first motor 32 is started, the driving shaft 33 can be rotated, and then the protection box 34 can be rotated, so that the use angle of the camera 36 and the first LED lamp 37 can be adjusted. The shooting direction of the first LED lamp 37 is parallel to that of the camera 36, ​​which can provide a light source to facilitate better inspection of the anchor chain. The protection box 34 can protect the camera 36 to prevent it from being damaged. There are respectively installed on both sides of the protection box 34. The second LED lamp 81 can be used to increase the light intensity and the light range, so as to facilitate the inspection of different positions of the anchor chain. A rotating disk 51 is fixedly connected to the outside of the driving shaft 33, and a supporting groove 52 is provided at the top of the movable cavity 31. Support blocks 53 are fixedly connected to the top of the rotating disk 51 on all sides, and the support blocks 53 are slidably connected to the support blocks 53. The driving shaft 33 can drive the rotating disk 51 to rotate, and then the support blocks 53 can rotate, and then the rotation of the driving shaft 33 can be supported and guided to prevent the driving shaft 33 from swinging. A plurality of evenly arranged rolling grooves 71 are provided on the top of the support block 53, and a ball 72 is provided in the rolling groove 71. The ball 72 contacts with the top of the support groove 52. When the support block 53 rotates, the ball 72 can roll in the rolling groove 71, so as to reduce the friction when the support block 53 rotates and improve the service life of the parts.

[0027] Working principle: During operation, the propeller 11 can be used to control the body 1 to move underwater. When the body 1 moves to the anchor chain position, the second motor 43 can be started. After the second motor 43 works, the first shaft 22 can be driven to rotate clockwise. The rotation of the first shaft 22 can drive the first fixing ring 24 and the main gear 41 to rotate. The main gear 41 can drive the slave gear 42 to rotate counterclockwise. The slave gear 42 can drive the second shaft 23 to rotate. The second shaft 23 can drive the second fixing ring 25 to rotate, thereby making the first limiting plate 26 and the second limiting plate 27 rotate in the opposite direction, thereby making the first limiting plate 26 and the second limiting plate 27 sleeved on the outside of the anchor chain to prevent the body 1 from being washed away by the ocean current. Then the first motor 32 can be started. The first motor 32 can drive the driving shaft 33 to rotate, and the rotation of the driving shaft 33 can drive the protection box 34 to rotate. The rotation of the protection box 34 can drive the internal camera 36 and the external first LED light 37 and second LED light 81 to rotate synchronously. After adjusting to a suitable angle, the camera 36 can be used to check the anchor chain. After the inspection is completed, the second motor 43 can be started to reverse, so that the first limiting plate 26 and the second limiting plate 27 can be rotated in the opposite direction to keep them away from the anchor chain. The body 1 can be controlled to move to other beacons for inspection again. The above is the working process of the entire device, and the contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An underwater drone for inspecting a navigation mark anchor chain, comprising a body (1), thrusters (11) respectively connected to both sides of the body (1), a limiting component for preventing the body (1) from shifting, and an inspection component for inspecting the anchor chain, characterized in that: The limiting component comprises a mounting cavity (21) opened on the inner side of the machine body (1), a first rotating shaft (22) connected to one side of the mounting cavity (21), a second rotating shaft (23) connected to the other side of the mounting cavity (21), a first fixing ring (24) connected to the outer side of the first rotating shaft (22), a second fixing ring (25) connected to the outer side of the second rotating shaft (23), a first limiting plate (26) connected to one side of the first fixing ring (24), a second limiting plate (27) connected to one side of the second fixing ring (25), and a driving component for rotating the first limiting plate (26) and the second limiting plate (27), wherein the first rotating shaft (22) and the second rotating shaft (23) both pass through the mounting cavity (21) and are rotatably connected to the machine body (1).

2. The underwater drone for inspecting anchor chains of navigation marks according to claim 1, characterized in that: The inspection component comprises an active cavity (31) opened in the body (1), a first motor (32) connected to the bottom of the active cavity (31), a driving shaft (33) connected to the output end of the first motor (32), a protection box (34) connected to the top of the driving shaft (33), a transparent glass (35) connected to one side of the protection box (34), a camera (36) connected to the inner wall of the protection box (34), and a first LED lamp (37) connected to the top of the protection box (34); the driving shaft (33) passes through the active cavity (31) and is rotatably connected to the body (1).

3. The underwater drone for inspecting anchor chains of navigation marks according to claim 1, characterized in that: The driving component comprises a main gear (41) fixedly connected to the outer side of the first rotating shaft (22), a slave gear (42) fixedly connected to the outer side of the second rotating shaft (23), and a second motor (43) connected to the bottom of the first rotating shaft (22), the bottom of the second motor (43) being fixedly connected to the bottom of the installation cavity (21), and the main gear (41) and the slave gear (42) being meshed.

4. The underwater drone for inspecting anchor chains of navigation marks according to claim 2, characterized in that: A rotating disk (51) is fixedly connected to the outside of the driving shaft (33), a supporting groove (52) is provided at the top of the movable cavity (31), and supporting blocks (53) are fixedly connected to the top of the rotating disk (51) on all four sides, and the supporting blocks (53) are slidably connected to each other.

5. The underwater drone for inspecting anchor chains of navigation marks according to claim 1, characterized in that: Baffles (61) are fixedly connected to both sides of the top of the machine body (1), and limit plates (62) are fixedly connected to the outer sides of the first fixing ring (24) and the second fixing ring (25).

6. The underwater drone for inspecting anchor chains of navigation marks according to claim 4, characterized in that: The top of the support block (53) is provided with a plurality of rolling grooves (71) arranged evenly, and a ball (72) is arranged in the rolling groove (71), and the ball (72) is in contact with the top of the support groove (52).

7. The underwater drone for inspecting anchor chains of navigation marks according to claim 2, characterized in that: Second LED lamps (81) are respectively installed on both sides of the protection box (34).

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