Marine accompanying unmanned aerial vehicle
By designing a rotating mechanism and shock absorbing mechanism driven by a rotating motor, the vibration problem during the rise and fall of a marine drone is solved, the service life is extended and the multi-angle search and imaging function is realized.
Patent Information
- Application Number
- CN202422631957.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-10-30
AI Technical Summary
Existing marine accompaniment drones produce violent vibrations when the landing gear contacts the ship surface during lifting and landing, resulting in damage to internal electronic components and affecting service life.
The rotating mechanism driven by a rotating motor is adopted, and the bevel gear and threaded rod transmission system is combined with the shock absorbing spring to reduce vibration transmission, and the shock absorbing mechanism is designed to buffer the impact when the ship surface is contacted.
It effectively reduces the vibration of the drone during lifting and landing, extends the service life of the device, and realizes multi-angle adjustment of searchlights and cameras.
Smart Images
Figure CN223253297U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of unmanned aerial vehicle equipment, in particular to a ship-mounted accompanying unmanned aerial vehicle. Background Art
[0002] Marine companion drones, also known as tethered drones, are a special form of multi-rotor drones. They are powered by a ground power line tethering system to ensure the stable operation of the drone in the air. The system usually includes the drone itself, power lines and control systems to ensure the safe take-off and landing and operation of the drone in a limited space, and to achieve long-term continuous operation. Tethered drones are widely used in transportation, emergency, firefighting, maritime and other fields, especially in scenarios that require long-term monitoring and communication.
[0003] Currently, most marine companion drones on the market will generate violent vibrations when the landing gear contacts the ship's surface during landing. The violent vibrations will affect the internal structure of the drone, causing damage to internal electronic components and shortening the drone's service life. Utility Model Content
[0004] The purpose of the present invention is to provide a marine companion drone to address the problem mentioned in the background art that when the landing gear contacts the ship's deck, severe vibrations are generated, which can affect the drone's internal structure, damage internal electronic components, and shorten the drone's service life. To achieve the above-mentioned purpose, the present invention provides the following technical solution: a marine companion drone comprising a base, the bottom of the base being movably engaged with the top of a fixing mechanism, the inner wall of the base being movably engaged with the outer wall of a rotating mechanism, the rotating mechanism comprising a rotating motor, a rotating rod, two connecting rotating rods, two steering links, and a flip rod;
[0005] The outer wall of the bottom of the rotating mechanism is respectively connected to the outer wall of the middle part of the two transmission mechanisms, the outer walls of the two transmission mechanisms are rotatably connected to the inner wall of the fixing mechanism, and the inner walls of the two transmission mechanisms are respectively movably connected to the outer walls of the two shock-absorbing mechanisms. The two shock-absorbing mechanisms each include two shock-absorbing connecting rods, two shock-absorbing limit plates, two shock-absorbing springs and a shock-absorbing bottom plate.
[0006] Preferably, the base includes six propellers, six screw rods, six support arms, a mounting base and a spare battery. The bottom of the middle part of the six propellers is fixedly connected to the top of the six screw rods, and the bottom of the six screw rods is rotatably connected to the top of one side of the six support arms. The other side of the six support arms is fixedly connected to the outer wall of the mounting base, and the top of the middle part of the mounting base is fixedly connected to the bottom of the spare battery. A mounting through hole is provided at the bottom of the middle part of the mounting base.
[0007] Preferably, the fixing mechanism consists of a fixed mounting plate, two fixed support tubes, a fixed rotating tube, a searchlight, a camera, two fixed boxes, a lead and a traction base, the top of the fixed mounting plate is movably clamped with the bottom of the mounting base, and the bottom of the fixed mounting plate near the outer wall is fixedly connected to the tops of the two fixed support tubes respectively, the outer side walls of the middle parts of the two fixed support tubes are respectively fixedly connected to the two sides of the fixed rotating tube, and the outer wall of the fixed rotating tube near one side is rotatably connected to the inner wall of the searchlight, the outer wall of the fixed rotating tube near the other side is rotatably connected to the inner wall of the camera, and the bottoms of the two fixed support tubes are respectively movably clamped with the tops of the middle parts of the two fixed boxes, the bottom of the fixed mounting plate near the middle is movably clamped with the top of the lead, the front and back of the fixed box are respectively provided with fixed through holes, and the bottom of the lead is movably clamped with the top of the traction base.
[0008] The outer wall of the two connecting rods is respectively provided with a bevel gear and an outer wall of the two connecting rods is provided with a bevel gear, and the outer wall of each end of the two connecting rods is respectively provided with a bevel gear. The outer wall of the two connecting rods is connected to the outer wall of the bottom end of the rotating rod through the bevel gear, and the outer wall of the two steering links and the outer wall of the middle are respectively provided with a bevel gear. The outer wall of the top of the two steering links is respectively connected to the outer wall of the other end of the two connecting rods through the bevel gear, and the outer wall of one end of the flip link is provided with a bevel gear. The outer wall of one end of the flip link is connected to the outer wall of the middle of one of the steering links, and the outer wall of the two connecting rotating rods is rotatably connected to the inner wall of the fixed mounting plate, the outer walls of the two steering links are respectively rotatably connected to the inner walls of the two fixed support tubes, and the outer wall of the flip link is rotatably connected to the inner wall of the fixed rotating tube, and the outer walls of the flip link near the two ends are movably clamped with the camera and the searchlight.
[0009] Preferably, the two transmission mechanisms are composed of a transmission rod, two threaded rotating tubes, two threaded rods and a transmission base plate, the outer walls of the transmission rod near both ends and the outer wall in the middle are respectively provided with bevel gears, and the outer walls in the middle of the two transmission rods are respectively connected to the outer walls of the bottom ends of the two steering links through bevel gears, the outer walls of the tops of the two threaded rotating tubes are respectively provided with bevel gears, and the outer walls of the tops of the two threaded rotating tubes are respectively connected to the outer walls of the transmission rod near both ends for transmission, the inner walls of the two threaded rotating tubes are respectively threadedly connected to the outer walls of the two threaded rods, and the bottom ends of the two threaded rods are respectively movably engaged with the top of the transmission base plate near the middle, the top of the transmission base plate near the front and the top near the back are respectively provided with shock-absorbing through holes, and the outer walls of the two ends of the two transmission rods are respectively rotatably connected to the inner walls of the four fixed through holes.
[0010] Preferably, the outer walls of the two shock-absorbing links are movably connected to the inner walls of the two shock-absorbing through holes, and the top ends of the two shock-absorbing links are fixedly connected to the bottom of the middle part of the two shock-absorbing limit plates, the bottoms of the two shock-absorbing limit plates close to the outer walls are movably abutted against the top of the transmission base plate, and the outer walls of the bottoms of the two shock-absorbing links are movably connected to the inner walls of the two shock-absorbing springs, and the bottom ends of the two shock-absorbing links are movably clamped with the top of the shock-absorbing base plate.
[0011] Compared with the prior art, the present invention has the following beneficial effects:
[0012] In the utility model, by starting the rotating motor, the rotating motor rotates and drives the rotating rod to rotate through the coupling, the rotating rotating rod drives the connecting rotating rod to rotate through the bevel gear, the connecting rotating rod rotates and drives the steering link to rotate through the bevel gear, the steering link rotates and adjusts the transmission rod to rotate through the bevel gear, the rotating transmission rod drives the threaded rotating tube to rotate through the bevel gear, the rotation of the threaded rotating tube drives the threaded rod to move linearly through the action of the thread and the limiting action of the transmission base plate, the linear movement of the threaded rod drives the linear movement of the transmission base plate, the linear movement of the threaded rod drives the shock-absorbing connecting rod to move linearly through the transmission base plate, the linear movement of the shock-absorbing connecting rod drives the shock-absorbing base plate to move linearly, and when the shock-absorbing base plate contacts the ship surface, the elastic action of the shock-absorbing spring can reduce the vibration of the device, thereby extending the service life of the device.
[0013] In the utility model, the rotating rotating rod drives the connecting rotating rod to rotate through the bevel gear, the connecting rotating rod drives the steering connecting rod to rotate through the bevel gear, the steering connecting rod drives the flipping rod to rotate through the bevel gear, and the rotation of the flipping rod can drive the searchlight and the camera to flip, so that searchlights and cameras can be taken at different angles. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a cross-sectional view of the utility model;
[0015] Figure 2 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 3 This is an exploded view of the utility model;
[0017] Figure 4 This is an exploded view of the rotating mechanism in the present utility model;
[0018] Figure 5 This is an exploded view of the transmission mechanism in the present utility model;
[0019] Figure 6 It is an exploded view of the shock absorbing mechanism in the utility model.
[0020] In the figure: 1. Base; 101. Propeller; 102. Screw rod; 103. Support arm; 104. Mounting base; 105. Spare battery; 2. Fixing mechanism; 201. Fixed mounting plate; 202. Fixed support tube; 203. Fixed rotating tube; 204. Searchlight; 205. Camera; 206. Fixing box; 207. Lead wire; 208. Traction base; 3. Rotating mechanism; 301. Rotating motor; 302. Rotating rod; 303. Connecting rotating rod; 304. Steering connecting rod; 305. Flipping rod; 4. Transmission mechanism; 401. Transmission rod; 402. Threaded rotating tube; 403. Threaded rod; 404. Transmission base plate; 5. Shock-absorbing mechanism; 501. Shock-absorbing connecting rod; 502. Shock-absorbing limit plate; 503. Shock-absorbing spring; 504. Shock-absorbing base plate. DETAILED DESCRIPTION
[0021] 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 embodiments described 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 technical personnel in this field without making creative efforts shall fall within the scope of protection of the present invention.
[0022] See also Figures 1 to 6 The utility model provides a technical solution: a marine companion drone, comprising a base 1, wherein the bottom of the base 1 is movably engaged with the top of a fixing mechanism 2, the inner wall of the base 1 is movably engaged with the outer wall of a rotating mechanism 3, and the rotating mechanism 3 comprises a rotating motor 301, a rotating rod 302, two connecting rotating rods 303, two steering connecting rods 304, and a flip rod 305;
[0023] The outer wall of the bottom of the rotating mechanism 3 is respectively connected to the outer wall of the middle part of the two transmission mechanisms 4 in a transmission manner, the outer walls of the two transmission mechanisms 4 are rotationally connected to the inner wall of the fixing mechanism 2, and the inner walls of the two transmission mechanisms 4 are respectively movably connected to the outer walls of the two shock-absorbing mechanisms 5. The two shock-absorbing mechanisms 5 each include two shock-absorbing connecting rods 501, two shock-absorbing limit plates 502, two shock-absorbing springs 503 and a shock-absorbing bottom plate 504.
[0024] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6As shown, the base 1 includes six propellers 101, six screw rods 102, six support arms 103, a mounting base 104 and a backup battery 105. The bottom of the middle part of the six propellers 101 is fixedly connected to the top of the six screw rods 102, and the bottom of the six screw rods 102 is rotatably connected to the top of one side of the six support arms 103. The other sides of the six support arms 103 are fixedly connected to the outer wall of the mounting base 104, and the top of the middle part of the mounting base 104 is fixedly connected to the bottom of the backup battery 105. A mounting through hole is provided at the bottom of the middle part of the mounting base 104. The rotation of the propeller 101 can drive the device to fly.
[0025] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6 As shown, the fixing mechanism 2 is composed of a fixed mounting plate 201, two fixed support tubes 202, a fixed rotating tube 203, a searchlight 204, a camera 205, two fixed boxes 206, a lead 207 and a traction base 208. The top of the fixed mounting plate 201 is movably connected to the bottom of the mounting base 104, and the bottom of the fixed mounting plate 201 close to the outer wall is fixedly connected to the tops of the two fixed support tubes 202, the outer side walls of the middle of the two fixed support tubes 202 are fixedly connected to the two sides of the fixed rotating tube 203, and the fixed rotating tube 203 is fixedly connected to the two sides of the fixed rotating tube 203. The outer wall of 03 near one side is rotatably connected to the inner wall of the searchlight 204, the outer wall of the fixed rotating tube 203 near the other side is rotatably connected to the inner wall of the camera 205, and the bottoms of the two fixed support tubes 202 are movably connected to the tops of the middle parts of the two fixed boxes 206 respectively, the bottom of the fixed mounting plate 201 near the middle is movably connected to the top of the lead 207, the front and back sides of the fixed box 206 are respectively provided with fixed through holes, and the bottom of the lead 207 is movably connected to the top of the traction base 208, and the lead 207 can provide power for the flight of the device.
[0026] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6As shown, the outer wall of the rotating motor 301 is movably engaged with the inner wall of the mounting through hole, and the bottom end of the rotating motor 301 is fixedly connected to the top of the rotating rod 302 through a coupling, the outer wall of the bottom end of the rotating rod 302 is provided with a bevel gear, and the outer walls of the two connecting rotating rods 303 at both ends are respectively provided with bevel gears, the outer walls of one end of the two connecting rotating rods 303 are transmission connected with the outer wall of the bottom end of the rotating rod 302 through bevel gears, and the outer walls at both ends and the middle outer wall of the two steering links 304 are respectively provided with bevel gears, the outer walls of the top ends of the two steering links 304 are transmission connected with the outer walls of the other ends of the two connecting rotating rods 303 through bevel gears, and the outer wall of one end of the flip rod 305 is provided with a bevel gear, the outer wall of one end of the flip rod 305 is transmission connected with the outer wall of the middle of one of the steering links 304, and the outer walls of the two connecting rotating rods 303 are It is rotatably connected to the inner wall of the fixed mounting plate 201, the outer walls of the two steering links 304 are rotatably connected to the inner walls of the two fixed support tubes 202, and the outer wall of the flip rod 305 is rotatably connected to the inner wall of the fixed rotating tube 203. The outer walls of the flip rod 305 near the two ends are movably engaged with the camera 205 and the searchlight 204 respectively. The rotating motor 301 is started, and the rotating motor 301 rotates to drive the rotating rod 302 to rotate through the coupling. The rotating rotating rod 302 drives the connecting rotating rod 303 to rotate through the bevel gear. The connecting rotating rod 303 rotates to drive the steering link 304 to rotate through the bevel gear. The steering link 304 rotates to drive the flip rod 305 to rotate through the bevel gear. The rotation of the flip rod 305 can drive the searchlight 204 and the camera 205 to flip, so that searchlighting and shooting at different angles can be performed.
[0027] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6As shown, the two transmission mechanisms 4 are composed of a transmission rod 401, two threaded rotating tubes 402, two threaded rods 403 and a transmission base plate 404. The outer walls of the transmission rod 401 near both ends and the outer wall in the middle are respectively provided with bevel gears, and the outer walls in the middle of the two transmission rods 401 are respectively connected to the outer walls of the bottom ends of the two steering links 304 through bevel gears. The outer walls of the tops of the two threaded rotating tubes 402 are respectively provided with bevel gears, and the outer walls of the tops of the two threaded rotating tubes 402 are respectively connected to the outer walls of the transmission rod 401 near both ends through transmission. The inner walls of the two threaded rotating tubes 402 are respectively threadedly connected to the outer walls of the two threaded rods 403, and the two The bottom ends of the threaded rods 403 are movably engaged with the top of the transmission base plate 404 near the middle. The transmission base plate 404 is respectively provided with shock-absorbing through holes at the top near the front and the top near the back, and the outer walls at both ends of the two transmission rods 401 are rotatably connected with the inner walls of the four fixed through holes. The steering link 304 rotates to mobilize the transmission rod 401 through the bevel gear. The rotating transmission rod 401 drives the threaded rotating tube 402 to rotate through the bevel gear. The rotation of the threaded rotating tube 402 drives the threaded rod 403 to move linearly through the action of the thread and the limiting action of the transmission base plate 404. The linear movement of the threaded rod 403 drives the transmission base plate 404 to move linearly.
[0028] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6 As shown, the outer walls of the two shock-absorbing links 501 are movably connected with the inner walls of the two shock-absorbing through holes, and the top ends of the two shock-absorbing links 501 are fixedly connected to the bottom of the middle parts of the two shock-absorbing limit plates 502. The bottoms of the two shock-absorbing limit plates 502 close to the outer walls are movably abutted against the top of the transmission base plate 404, and the outer walls of the bottom of the two shock-absorbing links 501 are movably connected with the inner walls of the two shock-absorbing springs 503. The bottom ends of the two shock-absorbing links 501 are movably engaged with the top of the shock-absorbing base plate 504. The linear movement of the transmission base plate 404 can be separated from the fixed box 206 to leave moving space for the shock-absorbing limit plates 502. The linear movement of the threaded rod 403 drives the shock-absorbing link 501 to move linearly through the transmission base plate 404, and the linear movement of the shock-absorbing link 501 drives the shock-absorbing base plate 504 to move linearly. When the shock-absorbing base plate 504 contacts the ship's surface, the elastic action of the shock-absorbing springs 503 can reduce the vibration of the device, thereby extending the service life of the device.
[0029] The usage and advantages of this utility model: When this type of marine accompanying drone is working, the working process is as follows:
[0030] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6 As shown, by starting the rotating motor 301, the rotating motor 301 rotates and drives the rotating rod 302 to rotate through the coupling, the rotating rotating rod 302 drives the connecting rotating rod 303 to rotate through the bevel gear, the connecting rotating rod 303 rotates and drives the steering connecting rod 304 to rotate through the bevel gear, the steering connecting rod 304 rotates and drives the transmission rod 401 to rotate through the bevel gear, the rotating transmission rod 401 drives the threaded rotating tube 402 to rotate through the bevel gear, the threaded rotating tube 402 rotates and drives the threaded rod 403 to move linearly through the action of the thread and the limiting action of the transmission base plate 404, and the threaded rod 403 The linear motion drives the transmission base plate 404 to move linearly, the linear motion of the threaded rod 403 drives the shock-absorbing connecting rod 501 to move linearly through the transmission base plate 404, the linear motion of the shock-absorbing connecting rod 501 drives the shock-absorbing base plate 504 to move linearly, and when the shock-absorbing base plate 504 contacts the ship's surface, the elastic action of the shock-absorbing spring 503 can reduce the vibration of the device, thereby extending the service life of the device. The rotation of the steering connecting rod 304 drives the flip rod 305 to rotate through the bevel gear. The rotation of the flip rod 305 can drive the searchlight 204 and the camera 205 to flip, so that searchlights and cameras can be taken at different angles.
[0031] The above shows and describes the basic principles, main features, and advantages of the present invention. Persons skilled in the art should understand that the present invention is not limited to the above-described embodiments. The above-described 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. A marine companion drone, comprising a base (1), characterized in that: The bottom of the base (1) is movably engaged with the top of the fixing mechanism (2), and the inner wall of the base (1) is movably engaged with the outer wall of the rotating mechanism (3). The rotating mechanism (3) includes a rotating motor (301), a rotating rod (302), two connecting rotating rods (303), two steering connecting rods (304) and a flip rod (305); The outer wall of the bottom of the rotating mechanism (3) is respectively connected to the outer wall of the middle part of the two transmission mechanisms (4) in a transmission manner; the outer walls of the two transmission mechanisms (4) are connected to the inner wall of the fixing mechanism (2) in a rotation manner; the inner walls of the two transmission mechanisms (4) are respectively connected to the outer walls of the two damping mechanisms (5) in a movably sleeved manner; and the two damping mechanisms (5) each include two damping connecting rods (501), two damping limiting plates (502), two damping springs (503) and a damping bottom plate (504).
2. The marine companion drone according to claim 1, characterized in that: The base (1) comprises six propellers (101), six screw rods (102), six support arms (103), a mounting base (104) and a backup battery (105). The bottoms of the middle portions of the six propellers (101) are respectively fixedly connected to the tops of the six screw rods (102), and the bottoms of the six screw rods (102) are respectively rotatably connected to the tops of one side of the six support arms (103). The other sides of the six support arms (103) are all fixedly connected to the outer side walls of the mounting base (104), and the top of the middle portion of the mounting base (104) is fixedly connected to the bottom of the backup battery (105). The bottom of the middle portion of the mounting base (104) is provided with a mounting through hole.
3. The marine companion drone according to claim 2, characterized in that: The fixing mechanism (2) is composed of a fixed mounting plate (201), two fixed support tubes (202), a fixed rotating tube (203), a searchlight (204), a camera (205), two fixed boxes (206), a lead (207) and a traction base (208). The top of the fixed mounting plate (201) is movably connected to the bottom of the mounting base (104), and the bottom of the fixed mounting plate (201) close to the outer wall is fixedly connected to the tops of the two fixed support tubes (202), and the outer side walls of the middle parts of the two fixed support tubes (202) are fixedly connected to the two sides of the fixed rotating tube (203). The fixed rotating tube (203) is fixedly connected, and the outer wall of the fixed rotating tube (203) near one side is rotatably connected to the inner wall of the searchlight (204), and the outer wall of the fixed rotating tube (203) near the other side is rotatably connected to the inner wall of the camera (205), and the bottoms of the two fixed support tubes (202) are respectively movably connected to the tops of the middle parts of the two fixed boxes (206), and the bottom of the fixed mounting plate (201) near the middle is movably connected to the top of the lead (207), and the front and back sides of the fixed box (206) are respectively provided with fixed through holes, and the bottom of the lead (207) is movably connected to the top of the traction base (208).
4. The marine companion drone according to claim 2, characterized in that: The outer wall of the rotating motor (301) is movably engaged with the inner wall of the mounting through hole, and the bottom end of the rotating motor (301) is fixedly connected to the top end of the rotating rod (302) through a coupling, the outer wall of the bottom end of the rotating rod (302) is provided with a bevel gear, and the outer walls of the two ends of the two connecting rotating rods (303) are respectively provided with bevel gears, the outer walls of one end of the two connecting rotating rods (303) are transmission-connected to the outer wall of the bottom end of the rotating rod (302) through bevel gears, and the outer walls of the two ends and the outer wall of the middle of the two steering connecting rods (304) are respectively provided with bevel gears, and the outer walls of the top ends of the two steering connecting rods (304) are respectively connected to the two connecting rotating rods (303) through bevel gears. 3) The outer wall of the other end is connected by transmission, and the outer wall of one end of the flip rod (305) is provided with a bevel gear, the outer wall of one end of the flip rod (305) is connected by transmission to the outer wall of the middle part of one of the steering links (304), and the outer walls of the two connecting rotating rods (303) are both rotatably connected to the inner wall of the fixed mounting plate (201), the outer walls of the two steering links (304) are respectively rotatably connected to the inner walls of the two fixed support tubes (202), and the outer wall of the flip rod (305) is rotatably connected to the inner wall of the fixed rotating tube (203), and the outer walls of the flip rod (305) near both ends are movably connected to the camera (205) and the searchlight (204).
5. The marine companion drone according to claim 4, characterized in that: The two transmission mechanisms (4) are composed of a transmission rod (401), two threaded rotating tubes (402), two threaded rods (403) and a transmission base plate (404). The outer walls of the transmission rod (401) near both ends and the outer wall of the middle part are respectively provided with bevel gears, and the outer walls of the middle parts of the two transmission rods (401) are respectively connected to the outer walls of the bottom ends of the two steering links (304) through the bevel gears. The outer walls of the tops of the two threaded rotating tubes (402) are respectively provided with bevel gears, and the two threaded rotating tubes (402) are respectively provided with bevel gears. The outer wall of the top is respectively connected to the outer walls of the transmission rod (401) near both ends, the inner walls of the two threaded rotating tubes (402) are respectively threadedly connected to the outer walls of the two threaded rods (403), and the bottom ends of the two threaded rods (403) are respectively movably engaged with the top of the transmission base plate (404) near the middle top, and the top of the transmission base plate (404) near the front and the top near the back are respectively provided with shock-absorbing through holes, and the outer walls of the two ends of the two transmission rods (401) are respectively rotatably connected to the inner walls of the four fixed through holes.
6. The marine companion drone according to claim 5, characterized in that: The outer walls of the two shock-absorbing connecting rods (501) are movably connected to the inner walls of the two shock-absorbing through holes, and the top ends of the two shock-absorbing connecting rods (501) are fixedly connected to the bottom of the middle part of the two shock-absorbing limiting plates (502), the bottoms of the two shock-absorbing limiting plates (502) close to the outer walls are movably abutted against the top of the transmission bottom plate (404), and the outer walls of the bottoms of the two shock-absorbing connecting rods (501) are movably connected to the inner walls of the two shock-absorbing springs (503), and the bottom ends of the two shock-absorbing connecting rods (501) are movably connected to the top of the shock-absorbing bottom plate (504).