Anti-falling remote sensing surveying and mapping unmanned aerial vehicle

Abstract

The anti-falling remote sensing surveying and mapping unmanned aerial vehicle comprises an unmanned aerial vehicle surveying and mapping mechanism used for surveying and mapping the environment, an unmanned aerial vehicle anti-falling structure used for protecting the whole unmanned aerial vehicle surveying and mapping mechanism is arranged on the outer side of the unmanned aerial vehicle surveying and mapping mechanism, and the unmanned aerial vehicle surveying and mapping mechanism comprises a center positioning rod used for positioning the whole device. The unmanned aerial vehicle anti-falling structure wraps the outer side of the unmanned aerial vehicle anti-falling structure of the whole unmanned aerial vehicle surveying and mapping mechanism in a cage mode. According to the anti-falling remote sensing surveying and mapping unmanned aerial vehicle provided by the invention, the unmanned aerial vehicle anti-falling structure is arranged, and the protection structure abandons the existing mode that only wings and transmission parts are protected; the arc-shaped fixed protection frame and the arc-shaped movable protection frame are erected on the outer side of the unmanned aerial vehicle surveying and mapping mechanism to be matched with the transverse protection rod to integrally protect the unmanned aerial vehicle surveying and mapping mechanism, so that comprehensive protection against flight collision or air crash can be achieved, and compared with an existing device, the unmanned aerial vehicle surveying and mapping device has higher protection performance and can also fly in a narrow space.

Description

Technical Field

[0001] The invention relates to the technical field of unmanned aerial vehicles, and in particular to an anti-fall type remote sensing mapping unmanned aerial vehicle. Background Art

[0002] A drone is an aircraft that does not require direct operation by a pilot and completes its flight mission through a remote control or autonomous control system. It is widely used in many fields such as military, agriculture, aerial photography, logistics, etc., and can perform a variety of tasks such as surveillance, reconnaissance, and environmental monitoring. According to the flight mode, drones are usually divided into fixed-wing and rotary-wing types. Fixed-wing drones are suitable for long-distance flights, while rotary-wing drones have the advantage of vertical take-off and landing. With the advancement of technology, modern drones have become more and more autonomous and can perform tasks independently, becoming an indispensable and important tool in many industries.

[0003] For example, a fall-proof agricultural remote sensing and mapping drone disclosed in Chinese Patent Publication No. (CN112520022A) records: "It includes a drone body, a landing gear, a camera, a protective plate and a limit block. The landing gear is arranged below the drone body, and the end of the landing gear is connected to a buffer block. The top of the landing gear is internally connected to a limit rod, and the outer surface of the limit rod is installed with a buffer spring. A mounting box is fixed below the middle of the drone body, and a camera is installed inside the mounting box. A protective plate is connected in front of the mounting box, and a movable block is installed at the end of the support rod. A first spring is installed inside the guide rod, and a second spring is installed in front of the movable block. This fall-proof agricultural remote sensing and mapping drone can provide protection for the device to avoid damage when the landing speed is too fast, and it is convenient to protect the lens. It can prevent light from affecting shooting, and it has high stability and is easy to use."

[0004] Based on the above, it can be known that in the prior art, the protection of the UAV is achieved by setting an anti-collision device at the bottom. However, the above device still has the following technical problems: the fall of the UAV is generally due to damage to the rotor caused by impact. After the rotor is damaged, the UAV will fall due to loss of power or uneven power output, resulting in damage to the UAV. The device does not protect against impact and falling after impact. For this reason, it is necessary to propose a fall-proof remote sensing mapping UAV to provide a new technical solution to solve the technical problems mentioned in the above patent. Summary of the invention

[0005] Based on this, it is necessary to provide a fall-proof remote sensing mapping UAV to address the above-mentioned technical problems. This device sets up a UAV fall-proof structure. This protective structure abandons the existing protection of only the wings and transmission components, and sets up an arc-shaped fixed protective frame and an arc-shaped movable protective frame on the outside of the UAV mapping mechanism in conjunction with a transverse protective rod to provide overall protection for the UAV mapping mechanism, thereby achieving comprehensive protection against flight collisions or crashes. Compared with existing devices, it has stronger protection and can also achieve flight in narrow spaces.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0007] A fall-proof remote sensing mapping UAV is used for UAV protection and UAV rapid storage.

[0008] The anti-fall type remote sensing mapping UAV specifically includes a UAV mapping mechanism for environmental mapping, and a UAV anti-fall structure for protecting the UAV mapping mechanism as a whole is arranged on the outer side of the UAV mapping mechanism;

[0009] The UAV surveying and mapping mechanism comprises a central positioning rod for positioning the entire device, and the UAV anti-fall structure is caged and coated on the outer side of the UAV anti-fall structure of the entire UAV surveying and mapping mechanism.

[0010] As a preferred embodiment of the fall-proof remote sensing and mapping UAV provided by the present invention, the surface of the center positioning rod is fixedly connected to a fixed chassis, the surface of the center positioning rod is slidably connected to a sliding top plate, the sliding top plate is arranged at the upper end of the fixed chassis, the top surface of the sliding top plate is fixedly connected to a remote sensing and mapping component, the surface of the center positioning rod is slidably provided with a movable positioning plate, and the movable positioning plate is arranged at the upper end of the remote sensing and mapping component, and the surface of the center positioning rod is provided with a threaded groove.

[0011] As a preferred embodiment of the fall-proof remote sensing mapping drone provided by the present invention, the top surface of the fixed chassis is fixedly connected to four positioning shafts in a circular array, and the surfaces of the four positioning shafts are respectively rotatably connected to rotor positioning arms, and the end of the rotor positioning arm away from the positioning shaft is fixedly connected to a hollow cup motor, and the output end of the top of the hollow cup motor is transmission-connected to the rotor, and the surfaces of the rotor positioning arms are respectively provided with positioning holes.

[0012] As a preferred embodiment of the fall-proof remote sensing mapping drone provided by the present invention, a threaded screw sleeve is provided on the surface of the center positioning rod, and the threaded screw sleeve is threadedly connected to the center positioning rod through a thread groove on the surface of the center positioning rod, and the threaded screw sleeve is arranged at the top of the movable positioning plate, and the surface of the sliding top plate is provided with through holes in an annular array, and the through holes correspond one by one to the positioning holes on the surface of the rotor positioning arm, and the bottom surface of the movable positioning plate is fixedly connected with a plug-in positioning rod in an annular array, and the plug-in positioning rod passes through the through hole and is plugged into the middle of the positioning hole.

[0013] As a preferred embodiment of the anti-fall remote sensing mapping drone provided by the present invention, the upper and lower ends of the central positioning rod are respectively fixedly connected with protective frame positioning plates, and the surfaces of the two protective frame positioning plates are respectively provided with concave annular grooves.

[0014] As a preferred embodiment of the anti-fall remote sensing mapping drone provided by the present invention, an arc-shaped fixed protective frame is symmetrically arranged on the surface of the protective frame positioning plate, and the two ends of the arc-shaped fixed protective frame are respectively fixedly connected to the concave ring grooves opened on the surfaces of the two protective frame positioning plates, and a plurality of arc-shaped movable protective frames are respectively fan-shapedly arranged on both sides of the two arc-shaped fixed protective frames, and the two ends of the arc-shaped movable protective frames are respectively fixedly connected with ball shafts, and the arc-shaped movable protective frames are movably arranged on the inner wall of the concave ring groove through the ball shaft, and a positioning connecting rod is fixedly connected to the surface of the hollow cup motor, and the end of the positioning connecting rod away from the hollow cup motor is fixedly connected to the arc-shaped movable protective frame.

[0015] As a preferred embodiment of the anti-fall remote sensing mapping drone provided by the present invention, the arc-shaped movable protective frame away from the arc-shaped fixed protective frame is provided with a double-barrel clamping sleeve, and the surface of the double-barrel clamping sleeve is provided with a groove, and the arc-shaped movable protective frames on both sides are clamped through the grooves on the surface of the double-barrel clamping sleeve.

[0016] As a preferred embodiment of the anti-fall remote sensing mapping drone provided by the present invention, guide grooves are provided on the surfaces of the arc-shaped fixed protective frame and the arc-shaped movable protective frame, and movable notches are symmetrically provided on the surfaces of the arc-shaped fixed protective frame and the arc-shaped movable protective frame, and a rotating shaft rod is rotatably provided on the inner wall of the movable notch, and a transverse protective rod is fixedly connected to the bottom end of the rotating shaft rod, and a sliding positioning rod is fixedly connected to the end of the transverse protective rod away from the rotating shaft rod, and the sliding positioning rod is slidably provided on the inner wall of the guide groove, and a top limiting sleeve is fixedly connected to the end of the sliding positioning rod away from the transverse protective rod, and a transverse protective rod is provided between each group of the arc-shaped movable protective frames, and a transverse protective rod is provided in the middle of the arc-shaped fixed protective frame and the arc-shaped movable protective frame.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The anti-fall type remote sensing surveying and mapping UAV provided by the present invention has an anti-fall structure for the UAV. This protection structure abandons the existing protection of only the wings and transmission parts, and sets up an arc-shaped fixed protection frame and an arc-shaped movable protection frame on the outside of the UAV mapping mechanism in cooperation with a transverse protection rod to provide overall protection for the UAV mapping mechanism, thereby achieving comprehensive protection against flight collisions or crashes. Compared with existing devices, this device has stronger protection and can also achieve flight in narrow spaces.

[0019] The anti-fall remote sensing mapping UAV provided by the present invention is used in conjunction with the UAV mapping mechanism by setting the UAV anti-fall structure. When the mapping task is completed, the arc-shaped fixed protective frame and the arc-shaped movable protective frame can be flipped for storage. When the arc-shaped movable protective frame is flipped for storage, the rotor positioning arm can be driven to bend through the positioning connecting rod, thereby reducing the overall space occupied by the UAV, and further improving the portability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the scheme of the present invention, a brief introduction is given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 A schematic diagram of the overall structure of the anti-fall remote sensing mapping drone provided by the present invention;

[0022] Figure 2 A schematic diagram of the structure of the anti-fall type remote sensing mapping drone provided by the present invention;

[0023] Figure 3 A schematic diagram of the disassembled structure of the anti-fall remote sensing mapping UAV provided by the present invention;

[0024] Figure 4 A schematic diagram of the structure of the anti-fall structure of the anti-fall type remote sensing mapping drone provided by the present invention;

[0025] Figure 5 The anti-fall type remote sensing mapping drone provided by the present invention Figure 4 A schematic diagram of the enlarged structure at A in the middle;

[0026] Figure 6 The anti-fall type remote sensing mapping drone provided by the present invention Figure 4 A schematic diagram of the enlarged structure at B in the middle;

[0027] Figure 7 The anti-fall type remote sensing mapping drone provided by the present invention Figure 4 Schematic diagram of the enlarged structure at C in the middle;

[0028] Figure 8 This is a schematic diagram of the connection structure between the double-barrel clamping sleeve and the arc-shaped movable protective frame of the anti-fall type remote sensing mapping UAV provided by the present invention.

[0029] The markings in the figure are as follows:

[0030] 1. UAV surveying and mapping mechanism; 2. UAV anti-fall structure; 3. Center positioning rod; 4. Fixed chassis; 5. Sliding top plate; 6. Remote sensing surveying and mapping assembly; 7. Active positioning plate; 8. Plug-in positioning rod; 9. Threaded screw sleeve; 10. Positioning shaft; 11. Rotor positioning arm; 12. Hollow cup motor; 13. Rotor; 14. Positioning hole; 15. Protective frame positioning plate; 16. Concave ring groove; 17. Arc-shaped fixed protective frame; 18. Arc-shaped movable protective frame; 19. Ball shaft; 20. Rotating shaft; 21. Horizontal protective rod; 22. Guide groove; 23. Sliding positioning rod; 24. Top limit sleeve; 25. Double-tube clamping sleeve; 26. Notch; 27. Threaded groove; 28. Positioning connecting rod; 29. ​​Through hole; 30. Active notch. DETAILED DESCRIPTION

[0031] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings 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 should fall within the scope of protection of the present invention.

[0032] As described in the background technology, a drone falls generally due to damage to the rotor caused by impact. After the rotor is damaged, the drone will fall due to loss of power or uneven power output, resulting in damage to the drone. The device does not protect against impact and falling after impact.

[0033] In order to solve this technical problem, the present invention provides a fall-proof remote sensing mapping drone, which is used for drone protection and drone rapid storage.

[0034] Specifically, please refer to Figure 1 The anti-fall type remote sensing mapping UAV specifically includes a UAV mapping mechanism 1 for environmental mapping, and a UAV anti-fall structure 2 for protecting the UAV mapping mechanism 1 as a whole is arranged on the outer side of the UAV mapping mechanism 1.

[0035] The anti-fall type remote sensing surveying and mapping UAV provided by the present invention has an anti-fall structure 2 for the UAV. This protection structure abandons the existing protection of only the wings and transmission parts, and sets up an arc-shaped fixed protection frame 17 and an arc-shaped movable protection frame 18 on the outside of the UAV surveying and mapping mechanism 1 in conjunction with a transverse protection rod 21 to provide overall protection for the UAV surveying and mapping mechanism 1, thereby achieving comprehensive protection against flight collisions or crashes. Compared with existing devices, this device has stronger protection and can also achieve flight in narrow spaces.

[0036] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings.

[0037] Embodiment 1:

[0038] Please refer to Figure 2-Figure 7 A fall-proof remote sensing mapping UAV, whose UAV mapping mechanism 1 includes a central positioning rod 3 for positioning the entire device, and a UAV fall-proof structure 2 is caged and covered on the outer side of the UAV fall-proof structure 2 of the entire UAV mapping mechanism 1.

[0039] Specifically, the surface of the center positioning rod 3 is fixedly connected to the fixed chassis 4, the surface of the center positioning rod 3 is slidably connected to the sliding top plate 5, the sliding top plate 5 is arranged at the upper end of the fixed chassis 4, the top surface of the sliding top plate 5 is fixedly connected to the remote sensing and mapping component 6, the surface of the center positioning rod 3 is slidably provided with a movable positioning plate 7, and the movable positioning plate 7 is arranged at the upper end of the remote sensing and mapping component 6, and the surface of the center positioning rod 3 is provided with a threaded groove 27.

[0040] Specifically, the top surface of the fixed chassis 4 is fixedly connected to four positioning shafts 10 in a circular array, and the surfaces of the four positioning shafts 10 are respectively rotatably connected to rotor positioning arms 11. The end of the rotor positioning arm 11 away from the positioning shaft 10 is fixedly connected to a hollow cup motor 12, and the output end at the top of the hollow cup motor 12 is transmission-connected to the rotor 13, and the surfaces of the rotor positioning arms 11 are respectively provided with positioning holes 14.

[0041] Specifically, a threaded screw sleeve 9 is provided on the surface of the center positioning rod 3, and the threaded screw sleeve 9 is threadedly connected to the center positioning rod 3 through a thread groove 27 on the surface of the center positioning rod 3. The threaded screw sleeve 9 is arranged at the top of the movable positioning plate 7. The surface of the sliding top plate 5 is provided with through holes 29 in an annular array, and the through holes 29 correspond one by one to the positioning holes 14 on the surface of the rotor positioning arm 11. The bottom surface of the movable positioning plate 7 is fixedly connected with a plug-in positioning rod 8 in an annular array, and the plug-in positioning rod 8 passes through the through hole 29 and is plugged into the middle of the positioning hole 14.

[0042] Specifically, the upper and lower ends of the central positioning rod 3 are respectively fixedly connected with the protection frame positioning plates 15 , and the surfaces of the two protection frame positioning plates 15 are respectively provided with inner concave annular grooves 16 .

[0043] Specifically, an arc-shaped fixed protective frame 17 is symmetrically arranged on the surface of the protective frame positioning plate 15, and the two ends of the arc-shaped fixed protective frame 17 are respectively fixedly connected to the concave annular grooves 16 opened on the surfaces of the two protective frame positioning plates 15. A plurality of arc-shaped movable protective frames 18 are respectively fan-shapedly arranged on both sides of the two arc-shaped fixed protective frames 17, and the two ends of the arc-shaped movable protective frames 18 are respectively fixedly connected to ball shafts 19, and the arc-shaped movable protective frames 18 are movably arranged on the inner wall of the concave annular groove 16 through the ball shaft 19. A positioning connecting rod 28 is fixedly connected to the surface of the hollow cup motor 12, and the end of the positioning connecting rod 28 away from the hollow cup motor 12 is fixedly connected to the arc-shaped movable protective frame 18.

[0044] Specifically, the arc-shaped movable protective frame 18 away from the arc-shaped fixed protective frame 17 is provided with a double-barrel clamping sleeve 25, and the surface of the double-barrel clamping sleeve 25 is provided with a notch 26, and the arc-shaped movable protective frames 18 on both sides are clamped through the notches 26 on the surface of the double-barrel clamping sleeve 25.

[0045] Through the above structural design, when the device is used, the arc-shaped movable protective frames 18 on both sides are flipped and rotated in the middle of the concave annular groove 16 through the ball shaft 19, and the arc-shaped movable protective frame 18 on the side away from the arc-shaped fixed protective frame 17 is flipped and fitted and fixed through the double-tube clamping sleeve 25 and the notch 26. While the arc-shaped movable protective frame 18 rotates, the rotor positioning arm 11 is driven to flip outward on the surface of the positioning shaft 10 through the positioning connecting rod 28 until the positioning holes 14 on the surfaces of the four rotor positioning arms 11 are aligned with the upper through holes 29. At this time, the threaded screw sleeve 9 is rotated. Since the threaded screw sleeve 9 is connected to the rotor through the thread groove 27, The center positioning rod 3 is threadedly connected, and the threaded screw sleeve 9 rotates while pushing the movable positioning plate 7 to slide downward. The movable positioning plate 7 slides downward and pushes the plug-in positioning rod 8 to be plugged into the middle of the through hole 29. The plug-in positioning rod 8 is plugged into the middle of the positioning hole 14 through the through hole 29, thereby realizing the extension and fixation of the rotor positioning arm 11. At the same time, the arc-shaped movable protective frame 18 is located on the outside of the rotor 13 to protect the entire device, the hollow cup motor 12 and the rotor 13. At this time, the hollow cup motor 12 can be controlled by the remote sensing and mapping component 6 to drive the rotor 13 to rotate and record it through the remote sensing and mapping component 6.

[0046] Embodiment 2:

[0047] The anti-fall remote sensing mapping drone provided in Example 1 is further optimized, specifically, Figure 4-Figure 8As shown, guide grooves 22 are provided on the surfaces of the arc-shaped fixed protective frame 17 and the arc-shaped movable protective frame 18, and movable notches 30 are symmetrically provided on the surfaces of the arc-shaped fixed protective frame 17 and the arc-shaped movable protective frame 18. A rotating shaft 20 is rotatably provided on the inner wall of the movable notch 30, and a transverse protective rod 21 is fixedly connected to the bottom end of the rotating shaft 20, and a sliding positioning rod 23 is fixedly connected to the end of the transverse protective rod 21 away from the rotating shaft 20. The sliding positioning rod 23 is slidably provided on the inner wall of the guide groove 22, and a top limiting sleeve 24 is fixedly connected to the end of the sliding positioning rod 23 away from the transverse protective rod 21. Transverse protective rods 21 are provided between each group of arc-shaped movable protective frames 18, and transverse protective rods 21 are provided in the middle of the arc-shaped fixed protective frame 17 and the arc-shaped movable protective frame 18.

[0048] Through the above structural design, the arc-shaped movable protective frame 18 flips outward and pulls the transverse protective rod 21 to slide in the middle of the guide groove 22 on the surface of the next arc-shaped movable protective frame 18. After the transverse protective rod 21 slides to the outermost end of the guide groove 22, the next arc-shaped movable protective frame 18 is pulled to flip outward. In this way, the arc-shaped movable protective frame 18 can be quickly opened. While the arc-shaped movable protective frame 18 is quickly unfolded, the rotor positioning arm 11 can be driven to extend quickly through the positioning connecting rod 28. At the same time, the transverse protective rod 21 can achieve transverse protection for the entire device, thereby further improving the protection performance of the device. After the surveying and mapping is completed, the arc-shaped movable protective frame 18 is separated from the double-tube clamping sleeve 25 through the slot 26, and the arc-shaped movable protective frames 18 on both sides are pushed in fan-shaped trajectories respectively, which can drive the arc-shaped movable protective frame 18 and the rotor positioning arm 11 to be quickly stored.

Claims

1. A fall-proof remote sensing mapping drone, characterized in that; It comprises an unmanned aerial vehicle surveying and mapping mechanism (1) for environmental surveying and mapping, wherein the outer side of the unmanned aerial vehicle surveying and mapping mechanism (1) is provided with an unmanned aerial vehicle anti-fall structure (2) for protecting the unmanned aerial vehicle surveying and mapping mechanism (1) as a whole; The unmanned aerial vehicle surveying and mapping mechanism (1) comprises a central positioning rod (3) for positioning the entire device, and the unmanned aerial vehicle anti-fall structure (2) is cage-shaped and covers the outer side of the unmanned aerial vehicle anti-fall structure (2) of the entire unmanned aerial vehicle surveying and mapping mechanism (1).

2. The anti-fall remote sensing mapping drone according to claim 1, characterized in that: The surface of the center positioning rod (3) is fixedly connected to a fixed chassis (4), the surface of the center positioning rod (3) is slidably connected to a sliding top plate (5), the sliding top plate (5) is arranged at the upper end of the fixed chassis (4), the top surface of the sliding top plate (5) is fixedly connected to a remote sensing and mapping component (6), the surface of the center positioning rod (3) is slidably provided with a movable positioning plate (7), and the movable positioning plate (7) is arranged at the upper end of the remote sensing and mapping component (6), and the surface of the center positioning rod (3) is provided with a threaded groove (27).

3. The anti-fall remote sensing mapping drone according to claim 2, characterized in that: The top surface of the fixed chassis (4) is fixedly connected to four positioning shafts (10) in a circular array, and the surfaces of the four positioning shafts (10) are respectively rotatably connected to rotor positioning arms (11), and one end of the rotor positioning arm (11) away from the positioning shaft (10) is fixedly connected to a hollow cup motor (12), and the output end at the top of the hollow cup motor (12) is transmission-connected to a rotor (13), and the surfaces of the rotor positioning arms (11) are respectively provided with positioning holes (14).

4. The anti-fall remote sensing mapping drone according to claim 3, characterized in that: The surface of the center positioning rod (3) is provided with a threaded screw sleeve (9), and the threaded screw sleeve (9) is threadedly connected to the center positioning rod (3) through a thread groove (27) on the surface of the center positioning rod (3). The threaded screw sleeve (9) is arranged at the top end of the movable positioning plate (7). The surface of the sliding top plate (5) is provided with through holes (29) in an annular array, and the through holes (29) correspond one to one with the positioning holes (14) on the surface of the rotor positioning arm (11). The bottom surface of the movable positioning plate (7) is fixedly connected with a plug-in positioning rod (8) in an annular array, and the plug-in positioning rod (8) passes through the through holes (29) and is plugged into the middle of the positioning hole (14).

5. The anti-fall remote sensing mapping drone according to claim 4, characterized in that: The upper and lower ends of the central positioning rod (3) are respectively fixedly connected with protection frame positioning plates (15), and the surfaces of the two protection frame positioning plates (15) are respectively provided with inner concave annular grooves (16).

6. The anti-fall remote sensing mapping drone according to claim 5, characterized in that: The surface of the protection frame positioning plate (15) is symmetrically provided with an arc-shaped fixed protection frame (17), and the two ends of the arc-shaped fixed protection frame (17) are respectively fixedly connected to the concave annular grooves (16) opened on the surfaces of the two protection frame positioning plates (15). A plurality of arc-shaped movable protection frames (18) are respectively fan-shapedly provided on both sides of the two arc-shaped fixed protection frames (17), and the two ends of the arc-shaped movable protection frames (18) are respectively fixedly connected to ball shafts (19), and the arc-shaped movable protection frames (18) are movably arranged on the inner wall of the concave annular groove (16) through the ball shafts (19). A positioning connecting rod (28) is fixedly connected to the surface of the hollow cup motor (12), and the end of the positioning connecting rod (28) away from the hollow cup motor (12) is fixedly connected to the arc-shaped movable protection frame (18).

7. The anti-fall remote sensing mapping drone according to claim 6, characterized in that: The arc-shaped movable protection frame (18) away from the arc-shaped fixed protection frame (17) is sleeved with a double-barrel clamping sleeve (25), and a notch (26) is provided on the surface of the double-barrel clamping sleeve (25). The arc-shaped movable protection frames (18) on both sides are clamped through the notches (26) on the surface of the double-barrel clamping sleeve (25).

8. The anti-fall remote sensing mapping drone according to claim 7, characterized in that: The surfaces of the arc-shaped fixed protection frame (17) and the arc-shaped movable protection frame (18) are both provided with guide grooves (22); the surfaces of the arc-shaped fixed protection frame (17) and the arc-shaped movable protection frame (18) are both symmetrically provided with movable notches (30); the inner wall of the movable notch (30) is rotatably provided with a rotating shaft rod (20); the bottom end of the rotating shaft rod (20) is fixedly connected with a transverse protection rod (21); the end of the transverse protection rod (21) away from the rotating shaft rod (20) is fixedly connected with a sliding positioning rod (23); the sliding positioning rod (23) is slidably provided on the inner wall of the guide groove (22); the end of the sliding positioning rod (23) away from the transverse protection rod (21) is fixedly connected with a top limiting sleeve (24); each group of the arc-shaped movable protection frames (18) is provided with a transverse protection rod (21) between each other; and the middle parts of the arc-shaped fixed protection frames (17) and the arc-shaped movable protection frames (18) are provided with a transverse protection rod (21).

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