Water area rescue unmanned aerial vehicle

Abstract

The invention belongs to the technical field of rescue unmanned aerial vehicles, and particularly relates to a water area rescue unmanned aerial vehicle which comprises an unmanned aerial vehicle body, a fixing plate is fixedly connected to the bottom surface of the unmanned aerial vehicle body, a throwing structure is arranged on the bottom surface of the fixing plate, and a camera shooting structure is arranged at the position, close to the throwing structure, of the fixing plate; when a single rescue life buoy needs to be thrown, the push-pull type electromagnet at the position of the rescue life buoy can be used, the push-pull type electromagnet drives the check block to move together, the hanging ring slides off from the connecting rod under the action of gravity, and therefore throwing of the single rescue life buoy is achieved; the multiple rescue life rings can be thrown by using the multiple push-pull type electromagnets at the same time, the multiple rescue life rings can be carried at the same time when the unmanned aerial vehicle body flies, multiple units to be rescued can be rescued, and the rescue efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of rescue drones, and in particular relates to a water rescue drone. Background Art

[0002] In recent years, with the rapid development of science and technology, drones, a micro remote-controlled flying device, have become electronic devices that can be seen everywhere in people's daily lives and production. Since drones have the advantages of fast flight speed and controllable and adjustable flight routes, applying drones to water rescue can effectively solve the problem that the placement of lifebuoys is difficult to control and the lifebuoys cannot be delivered to people who fall into the water in the first time. However, existing water rescue drones can only carry one lifebuoy at a time. When there are multiple units that need rescue, the device needs to go back and forth many times to assemble lifebuoys for rescue, which will affect the rescue efficiency and is inconvenient to use.

[0003] In order to solve the above problems, a water rescue drone is proposed in this application. Summary of the invention

[0004] In order to solve the problems raised in the above background technology, the present invention provides a water rescue drone, which has the characteristics of being able to carry multiple life buoys and release the life buoys.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a water rescue drone, comprising a drone body, a fixing plate fixedly connected to the bottom surface of the drone body, a launching structure arranged on the bottom surface of the fixing plate, and a camera structure arranged at a position of the fixing plate close to the launching structure;

[0006] The launching structure includes symmetrically arranged first connecting plates, which are fixedly connected to the bottom surface of the fixed plate, a rotating shaft is arranged between the first connecting plates, both ends of the rotating shaft are respectively rotatably connected to the adjacent first connecting plates, a plurality of rings are equidistantly fixedly connected to the rotating shaft, connecting rods are fixedly connected to the outer walls of the rings, inclined plates are fixedly connected to the bottom surface of the fixed plate near the connecting rod, a first guide opening is arranged on the inclined plate, a guide rod is arranged in the first guide opening, a stopper is arranged on the side of the inclined plate near the connecting rod, the stopper is respectively fixedly connected to the adjacent guide rod, a push-pull electromagnet is installed on the side of the inclined plate away from the stopper, and the piston rod of the push-pull electromagnet is fixedly connected to the adjacent guide rod.

[0007] As a preferred embodiment of the water rescue drone of the present invention, the connecting rod is provided with a hanging ring, the bottom of the hanging ring is fixedly connected with a connecting rope, and the bottom end of the connecting rope is fixedly connected with a rescue lifebuoy.

[0008] As a preferred embodiment of the water rescue drone of the present invention, the bottom surface of the fixing plate between the rescue lifebuoys is fixedly connected with a partition.

[0009] As a preferred embodiment of the water rescue drone of the present invention, a first connecting hole is provided on the first connecting plate, a connecting column is provided in the first connecting hole, the connecting column is fixedly connected to the rotating shaft, and one end of the connecting column away from the first connecting plate is fixedly connected to the limiting plate.

[0010] As a preferred embodiment of the water rescue drone of the present invention, the limit plate is provided with a second connecting hole, the second connecting hole is provided with a limit rod, the first connecting plate is provided with a threaded hole near the limit rod, the end of the limit rod near the first connecting plate is provided with an external thread, the limit rods are respectively arranged in the nearby threaded holes and threadedly connected with the nearby first connecting plate, and the end of the limit rod away from the first connecting plate is fixedly connected with a knob.

[0011] As a preferred embodiment of the water rescue drone of the present invention, support plates are symmetrically fixedly connected to both sides of the bottom surface of the fixing plate, and the bottom positions of the support plates on the sides away from each other are fixedly connected to the landing gear.

[0012] As a preferred embodiment of the water rescue drone of the present invention, the camera structure includes symmetrically arranged second connecting plates, the second connecting plates are fixedly connected to the bottom surface of the fixed plate, a threaded rod is arranged between the second connecting plates, both ends of the threaded rod are respectively close to the second connecting plates for rotational connection, a driving motor is installed on the side of the second connecting plate on either side away from the threaded rod, a third connecting hole is arranged on the second connecting plate close to the driving motor, the output shaft of the driving motor passes through the third connecting hole and is fixedly connected to the threaded rod, a threaded sleeve is threadedly connected to the threaded rod, a mounting plate is fixedly connected to the outer wall of the threaded sleeve, and a camera is installed on the bottom surface of the mounting plate.

[0013] As a preferred embodiment of the water rescue drone of the present invention, a guide plate is fixedly connected to the bottom surface of the fixing plate near the second connecting plate, a plurality of fixing rods are fixedly connected to the bottom surface of the guide plate, and cleaning cotton is arranged on the top of each of the fixing rods.

[0014] As a preferred embodiment of the water rescue drone of the present invention, a transparent cover is fixedly connected to the bottom surface of the mounting plate at a position outside the camera.

[0015] As a preferred embodiment of the water rescue drone of the present invention, the guide plate is provided with a second guide opening near the mounting plate, a guide block is provided in the second guide opening, and the guide block is fixedly connected to the mounting plate.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] A launching structure is added to the present application, and the connection rod and the block can be used in conjunction. When the rescue lifebuoy is not launched, the hanging ring will be blocked by the block, so that the hanging ring cannot be separated from the connecting rod. When a single rescue lifebuoy needs to be launched, the push-pull electromagnet at the position of the rescue lifebuoy can be used to drive the block to move together, so that the hanging ring slides off the connecting rod under the action of gravity, thereby realizing the launch of a single rescue lifebuoy.

[0018] When there are many people to be rescued at the same location, multiple push-pull electromagnets can be used to release multiple rescue lifebuoys at the same time, which improves the convenience of use. The drone body can carry multiple rescue lifebuoys at the same time during flight, and can rescue multiple units to be rescued, thereby improving the rescue efficiency. At the same time, a camera structure is added. When conducting water rescue, the position and situation of the people to be rescued on the water surface can be observed through the camera, which is convenient for the staff to operate the drone to accurately move to the position of the people to be rescued and accurately release the lifebuoy, thereby improving the efficiency of the rescue. When there are people to be rescued at multiple locations in the water area, the drive motor can be started to drive the threaded rod to rotate, and the position of the camera can be adjusted so that the camera can be moved to the position of the lifebuoy that has not been released, thereby reducing the error in the lifebuoy release position and further improving the accuracy of the lifebuoy release. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0020] Figure 1 It is a structural schematic diagram of the present invention;

[0021] Figure 2 For the present invention Figure 1 Schematic diagram of the local structure;

[0022] Figure 3 For the present invention Figure 2 Schematic diagram of the local structure;

[0023] Figure 4 For the present invention Figure 3 A first partial structural schematic diagram of;

[0024] Figure 5 For the present invention Figure 3 A second partial structural schematic diagram of;

[0025] Figure 6 For the present invention Figure 5 Schematic diagram of the local structure;

[0026] Figure 7 is a schematic diagram of the camera structure in the present invention;

[0027] Figure 8 For the present invention Figure 7 Schematic diagram of the local structure;

[0028] In the figure:

[0029] 1. UAV body; 2. Fixing plate; 3. Dropping structure; 31. First connecting plate; 32. Rotating shaft; 33. Ring; 34. Connecting rod; 35. Inclined plate; 36. First guide port; 37. Guide rod; 38. Stopper; 39. Push-pull electromagnet; 310. Rescue lifebuoy; 311. Connecting rope; 312. Hanging ring; 313. Partition plate; 314. First connecting hole; 315. Connecting column; 316. Threaded hole; 317. Limiting plate; 318, second connecting hole; 319, limiting rod; 320, knob; 4, camera structure; 41, second connecting plate; 42, threaded rod; 43, third connecting hole; 44, driving motor; 45, threaded sleeve; 46, mounting plate; 47, camera; 48, transparent cover; 49, guide plate; 410, second guide port; 411, guide block; 412, fixing rod; 413, cleaning cotton; 5, support plate; 6, landing gear. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] The standard parts used in this application can all be purchased from the market, and special-shaped parts can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, and bonding in the existing technology, and the components used for circuit connection are all conventional models in the existing technology.

[0032] At the same time, in order to clearly express the connection relationship and working principle between the components and highlight the key points, the drawings in the specification are organized and drawn in the form of simple diagrams. One simple diagram can correspond to a variety of materials and actual external structural shapes.

[0033] Example

[0034] like Figures 1 to 8 As shown;

[0035] Combining the above:

[0036] In order to carry multiple life buoys and release them, this water rescue drone includes a drone body 1, a fixing plate 2 is fixedly connected to the bottom surface of the drone body 1, a release structure 3 is arranged on the bottom surface of the fixing plate 2, and a camera structure 4 is arranged at a position of the fixing plate 2 near the release structure 3;

[0037] The delivery structure 3 includes symmetrically arranged first connecting plates 31, which are fixedly connected to the bottom surface of the fixed plate 2, a rotating shaft 32 is arranged between the first connecting plates 31, and both ends of the rotating shaft 32 are respectively rotatably connected to the adjacent first connecting plates 31, a plurality of collars 33 are equidistantly fixedly connected to the rotating shaft 32, and a connecting rod 34 is fixedly connected to the outer wall of the collar 33, and an inclined plate 35 is fixedly connected to the bottom surface of the fixed plate 2 near the connecting rod 34, and a first guide port 36 is arranged on the inclined plate 35, and a first guide port 36 is arranged on the first guide port 36. A guide rod 37 is provided in a guide opening 36, a block 38 is provided on the side of the inclined plate 35 close to the connecting rod 34, the block 38 is fixedly connected to the adjacent guide rod 37, a push-pull electromagnet 39 is installed on the side of the inclined plate 35 away from the block 38, the piston rod of the push-pull electromagnet 39 is fixedly connected to the adjacent guide rod 37, a hanging ring 312 is provided on the connecting rod 34, the bottom of the hanging ring 312 is fixedly connected to a connecting rope 311, and the bottom end of the connecting rope 311 is fixedly connected to a rescue lifebuoy 310.

[0038] In this embodiment, when the rescue life buoy 310 is not deployed, the hanging ring 312 will be blocked by the block 38, so that the hanging ring 312 cannot be separated from the connecting rod 34. When a single rescue life buoy 310 needs to be deployed, the push-pull electromagnet 39 at the position of the rescue life buoy 310 can be used to drive the guide rod 37 to move in the first guide port 36, so that the guide rod 37 drives the block 38 to move together when moving, so that the block 38 no longer blocks the hanging ring 312, and the hanging ring 312 slides off from the connecting rod 34 under the action of gravity, thereby achieving the single rescue life buoy 31 0, and when there are many people to be rescued at the same location, multiple push-pull electromagnets 39 can be used at the same time to make multiple hanging rings 312 detach from the connecting rod 34 at the same time, and multiple rescue lifebuoys 310 can be released at the same time, which improves the convenience during use. In addition, by arranging multiple rings 33 and connecting rods 34 on the rotating shaft 32, multiple rescue lifebuoys 310 can be hung on multiple connecting rods 34 through connecting ropes 311 and hanging rings 312, so that the drone body 1 can carry multiple rescue lifebuoys 310 at the same time during flight, and multiple units to be rescued can be rescued, thereby improving the rescue efficiency.

[0039] Going further:

[0040] In an optional embodiment, the bottom surface of the fixing plate 2 between the rescue lifebuoys 310 is fixedly connected with a partition plate 313 .

[0041] In this embodiment, the partition 313 can block the rescue lifebuoy 310, so that the rescue lifebuoys 310 cannot contact each other, thereby preventing the rescue lifebuoys 310 from colliding and entangled with each other during the flight of the drone, thereby improving the stability during use.

[0042] Going further:

[0043] In an optional embodiment, a first connecting hole 314 is provided on the first connecting plate 31, a connecting column 315 is provided in the first connecting hole 314, the connecting column 315 is fixedly connected to the rotating shaft 32, the end of the connecting column 315 away from the first connecting plate 31 is fixedly connected to the limiting plate 317, a second connecting hole 318 is provided on the limiting plate 317, a limiting rod 319 is provided in the second connecting hole 318, a threaded hole 316 is provided at a position of the first connecting plate 31 close to the limiting rod 319, an external thread is provided at one end of the limiting rod 319 close to the first connecting plate 31, the limiting rod 319 is respectively arranged in the close threaded hole 316 and is threadedly connected to the close first connecting plate 31, and the end of the limiting rod 319 away from the first connecting plate 31 is fixedly connected with a knob 320.

[0044] In this embodiment: when the drone is performing a rescue, the limit rod 319 will be set in the threaded hole 316 and threadedly connected to the first connecting plate 31, so that the limit rod 319 limits the limit plate 317 to prevent it from moving. At the same time, the limit plate 317 will limit the connecting column 315 to prevent it from rotating. The connecting column 315 will limit the rotating shaft 32 to prevent it from rotating, thereby preventing the lifebuoy from falling off during the flight of the drone. When the lifebuoy needs to be reloaded after the drone returns, the knobs 320 on both sides can be rotated to make the knobs 320 drive the limit rod 319 to rotate and disengage from the first connecting plate 31. When the limit rod 319 is disengaged from the first connecting plate 31, the rotating shaft 32 is no longer limited. At this time, the staff can use the limit plate 317 to rotate the connecting column 315, thereby driving the rotating shaft 32 to rotate, which is convenient for the staff to load the lifebuoy.

[0045] Going further:

[0046] In an optional embodiment, support plates 5 are symmetrically fixedly connected to both sides of the bottom surface of the fixing plate 2, and the bottom positions of the support plates 5 on the sides away from each other are fixedly connected to the landing gear 6.

[0047] In this embodiment: the landing gear 6 and the support plate 5 are used to support the UAV during landing, so that the UAV can land on the ground.

[0048] Going further:

[0049] In an optional embodiment, the camera structure 4 includes symmetrically arranged second connecting plates 41, which are fixedly connected to the bottom surface of the fixed plate 2, and threaded rods 42 are arranged between the second connecting plates 41. The two ends of the threaded rods 42 are respectively close to the second connecting plates 41 for rotational connection, and a driving motor 44 is installed on the side of the second connecting plate 41 on either side away from the threaded rod 42. A third connecting hole 43 is arranged on the second connecting plate 41 close to the driving motor 44, and the output shaft of the driving motor 44 passes through the third connecting hole 43 and is fixedly connected to the threaded rod 42. A threaded sleeve 45 is threadedly connected to the threaded rod 42, and a mounting plate 46 is fixedly connected to the outer wall of the threaded sleeve 45, and a camera 47 is installed on the bottom surface of the mounting plate 46.

[0050] In this embodiment: when conducting water rescue, the position and situation of the person to be rescued on the water surface can be observed through the camera 47, which is convenient for the staff to operate the drone to accurately move to the position of the person to be rescued and accurately release the lifebuoy, thereby improving the efficiency of the rescue. When there are people to be rescued at multiple positions in the water area, the drive motor 44 can be started to drive the drive motor 44 to drive the threaded rod 42 to rotate. When the threaded rod 42 rotates, it will drive the threaded sleeve 45 to move on the threaded rod 42. When the threaded sleeve 45 moves, it will drive the mounting plate 46 to move together, so that the mounting plate 46 drives the camera 47 to move together, and the position of the camera 47 is adjusted so that the camera 47 can be moved to the position of the lifebuoy that has not been released, thereby reducing the error of the lifebuoy release position and further improving the accuracy of the lifebuoy release.

[0051] Going further:

[0052] In an optional embodiment, a guide plate 49 is fixedly connected to the bottom surface of the fixed plate 2 near the second connecting plate 41, a plurality of fixed rods 412 are fixedly connected to the bottom surface of the guide plate 49, cleaning cotton 413 is arranged on the top of the fixed rods 412, and a transparent cover 48 is fixedly connected to the bottom surface of the mounting plate 46 at a position outside the camera 47.

[0053] In this embodiment: the transparent cover 48 can protect the lens of the camera 47, so that the camera 47 can shoot the water surface inside the transparent cover 48, preventing the lens of the camera 47 from being damaged during cleaning, and when the mounting plate 46 moves, it will drive the transparent cover 48 to move together. When the transparent cover 48 moves past the fixing rod 412, the cleaning cotton 413 will clean the bottom surface of the transparent cover 48 to prevent water droplets and impurities from affecting the shooting of the camera 47.

[0054] Going further:

[0055] In an optional embodiment, a second guide opening 410 is provided at a position of the guide plate 49 close to the mounting plate 46 , a guide block 411 is provided in the second guide opening 410 , and the guide block 411 is fixedly connected to the mounting plate 46 .

[0056] In this embodiment, when the mounting plate 46 moves, it drives the guide block 411 to move in the second guide opening 410, so that the guide block 411 guides the movement of the mounting plate 46 to prevent it from deflecting, thereby improving the stability of the mounting plate 46 when moving.

[0057] Working principle:

[0058] When water rescue is needed, the staff can operate the drone body 1 to fly it to the position of the person to be rescued. At this time, the limit rod 319 will be set in the threaded hole 316 and threadedly connected to the first connecting plate 31, so that the limit rod 319 limits the limit plate 317, so that it cannot move. At the same time, the limit plate 317 will limit the connecting column 315, so that it cannot rotate. The connecting column 315 will limit the rotating shaft 32, so that it cannot rotate. When the rescue lifebuoy 310 is not released, the hanging ring 312 will be blocked by the block 38, so that the hanging ring 312 cannot be separated from the connecting rod 34. After that, the staff can observe the position and situation of the person to be rescued on the water surface through the camera 47, which is convenient for the staff to operate the drone to accurately move to the position of the person to be rescued. Specifically:

[0059] When a single rescue life buoy 310 needs to be released, the push-pull electromagnet 39 at the position of the rescue life buoy 310 can be used to drive the guide rod 37 to move in the first guide port 36, so that the guide rod 37 drives the stopper 38 to move together when moving, so that the stopper 38 no longer blocks the hanging ring 312, and the hanging ring 312 slides off the connecting rod 34 under the action of gravity, thereby achieving the release of the single rescue life buoy 310;

[0060] When there are many people to be rescued at the same position, multiple push-pull electromagnets 39 can be used at the same time to make multiple hanging rings 312 detach from the connecting rods 34 at the same time, and simultaneously release multiple rescue lifebuoys 310, thereby improving the convenience during use; if there are people to be rescued at multiple positions in the water area, the drive motor 44 can be started to drive the drive motor 44 to drive the threaded rod 42 to rotate, and when the threaded rod 42 rotates, the threaded sleeve 45 will be driven to move on the threaded rod 42, and when the threaded sleeve 45 moves, the mounting plate 46 will be driven to move together, and when the mounting plate 46 moves, the guide block 411 will be driven to move in the second guide port 410, so that the guide block 411 guides the movement of the mounting plate 46 to prevent it from shifting, thereby improving the stability of the mounting plate 46 when it moves, so that the mounting plate 46 drives the camera 47 to move together, and the position of the camera 47 is adjusted so that the camera 47 can be moved to the position of the rescue lifebuoy 310 that has not been released, thereby reducing the error of the release position of the rescue lifebuoy 310, and further improving the accuracy of the release of the rescue lifebuoy 310.

[0061] When the mounting plate 46 moves, the transparent cover 48 will be driven to move together. When the transparent cover 48 moves past the fixing rod 412, the cleaning cotton 413 will clean the bottom surface of the transparent cover 48 to prevent water droplets and impurities from affecting the shooting of the camera 47. The transparent cover 48 can protect the lens of the camera 47, so that the camera 47 can shoot the water surface in the transparent cover 48, and prevent the lens of the camera 47 from being damaged during cleaning, thereby realizing the rescue work of the people to be rescued in the water area. In addition, by arranging multiple rings 33 and connecting rods 34 on the rotating shaft 32, multiple rescue lifebuoys 310 can be hung on multiple connecting rods 34 through connecting ropes 311 and hanging rings 312, so that the drone body 1 can carry multiple rescue lifebuoys 310 at the same time during flight, and multiple units to be rescued can be rescued, thereby improving the rescue efficiency.

[0062] The partition 313 can block the rescue lifebuoy 310 so that the rescue lifebuoys 310 cannot contact each other, and prevent the rescue lifebuoys 310 from colliding and entangled with each other during the flight of the drone, thereby improving the stability during use. When the rescue lifebuoy 310 needs to be reloaded after the drone returns, the knobs 320 on both sides can be turned so that the knobs 320 drive the limit rod 319 to rotate and disengage from the first connecting plate 31. When the limit rod 319 is disengaged from the first connecting plate 31, the rotation shaft 32 is no longer limited. At this time, the staff can use the limit plate 317 to rotate the connecting column 315, thereby driving the rotation shaft 32 to rotate, and then the staff can set the hanging ring 312 on the rescue lifebuoy 310 on the connecting rod 34. After the rescue life buoy 310 is installed, the limit plate 317 is used again to return the connecting rod 34 to its original position, and the knob 320 is turned to set the limit rod 319 in the threaded hole 316 to prevent the rotating shaft 32 from rotating, making it convenient for the staff to load the rescue life buoy 310.

Claims

1. A water rescue drone, comprising a drone body (1), characterized in that: A fixing plate (2) is fixedly connected to the bottom surface of the drone body (1), a delivery structure (3) is arranged on the bottom surface of the fixing plate (2), and a camera structure (4) is arranged at a position of the fixing plate (2) close to the delivery structure (3); The delivery structure (3) comprises symmetrically arranged first connecting plates (31), the first connecting plates (31) are fixedly connected to the bottom surface of the fixed plate (2), a rotating shaft (32) is arranged between the first connecting plates (31), the two ends of the rotating shaft (32) are respectively rotatably connected to the adjacent first connecting plates (31), a plurality of collars (33) are equidistantly fixedly connected to the rotating shaft (32), the outer walls of the collars (33) are fixedly connected to connecting rods (34), and the bottom surface of the fixed plate (2) near the connecting rods (34) is provided with a plurality of collars (33) fixedly connected to the rotating shaft (32). The inclined plates (35) are fixedly connected to each other, the inclined plates (35) are provided with a first guide opening (36), the first guide opening (36) is provided with a guide rod (37), a stopper (38) is provided on one side of the inclined plates (35) close to the connecting rod (34), the stoppers (38) are respectively fixedly connected to the adjacent guide rods (37), and a push-pull electromagnet (39) is installed on one side of the inclined plates (35) away from the stoppers (38), the piston rod of the push-pull electromagnet (39) is fixedly connected to the adjacent guide rods (37).

2. The water rescue drone according to claim 1, characterized in that: The connecting rods (34) are provided with hanging rings (312), the bottoms of the hanging rings (312) are fixedly connected with connecting ropes (311), and the bottoms of the connecting ropes (311) are fixedly connected with rescue lifebuoys (310).

3. The water rescue drone according to claim 2, characterized in that: The bottom surface of the fixing plate (2) is fixedly connected to a partition plate (313) at positions between the rescue lifebuoys (310).

4. The water rescue drone according to claim 1, characterized in that: The first connecting plate (31) is provided with a first connecting hole (314), the first connecting hole (314) is provided with a connecting column (315), the connecting column (315) is fixedly connected to the rotating shaft (32), and one end of the connecting column (315) away from the first connecting plate (31) is fixedly connected to a limiting plate (317).

5. The water rescue drone according to claim 4, characterized in that: The limiting plate (317) is provided with a second connecting hole (318), a limiting rod (319) is provided in the second connecting hole (318), a threaded hole (316) is provided at a position of the first connecting plate (31) close to the limiting rod (319), an end of the limiting rod (319) close to the first connecting plate (31) is provided with an external thread, the limiting rod (319) is respectively arranged in the adjacent threaded hole (316) and is threadedly connected to the adjacent first connecting plate (31), and an end of the limiting rod (319) away from the first connecting plate (31) is fixedly connected to a knob (320).

6. The water rescue drone according to claim 1, characterized in that: Support plates (5) are symmetrically fixedly connected to both sides of the bottom surface of the fixing plate (2), and the bottom positions of the supporting plates (5) on the sides away from each other are fixedly connected to the landing gear (6).

7. The water rescue drone according to claim 1, characterized in that: The camera structure (4) comprises symmetrically arranged second connecting plates (41), the second connecting plates (41) are fixedly connected to the bottom surface of the fixed plate (2), a threaded rod (42) is arranged between the second connecting plates (41), two ends of the threaded rod (42) are respectively close to the second connecting plates (41) for rotational connection, a driving motor (44) is installed on the side of the second connecting plate (41) on either side away from the threaded rod (42), a third connecting hole (43) is arranged on the second connecting plate (41) close to the driving motor (44), an output shaft of the driving motor (44) passes through the third connecting hole (43) and is fixedly connected to the threaded rod (42), a threaded sleeve (45) is threadedly connected to the threaded rod (42), a mounting plate (46) is fixedly connected to the outer wall of the threaded sleeve (45), and a camera (47) is installed on the bottom surface of the mounting plate (46).

8. The water rescue drone according to claim 7, characterized in that: A guide plate (49) is fixedly connected to the bottom surface of the fixed plate (2) near the second connecting plate (41), and a plurality of fixed rods (412) are fixedly connected to the bottom surface of the guide plate (49), and cleaning cotton (413) is arranged on the top of each of the fixed rods (412).

9. The water rescue drone according to claim 7, characterized in that: A transparent cover (48) is fixedly connected to the bottom surface of the mounting plate (46) at a position outside the camera (47).

10. The water rescue drone according to claim 8, characterized in that: The guide plate (49) is provided with a second guide opening (410) at a position close to the mounting plate (46), and a guide block (411) is provided in the second guide opening (410), and the guide block (411) is fixedly connected to the mounting plate (46).

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