Unmanned aerial vehicle for real scene three-dimensional modeling

Abstract

The utility model belongs to the technical field of unmanned aerial vehicles, and discloses an unmanned aerial vehicle for live-action three-dimensional modeling, which comprises a bottom plate, a shell arranged on the bottom plate, a plurality of wings extending around the shell, a camera arranged below the bottom plate, a square hole formed in the bottom plate, two fixing seats arranged on the bottom plate, a vertical rod arranged in the square hole, and two trunnions horizontally arranged on the vertical rod, a fixing plate is arranged at the lower end of the vertical rod, a connecting plate is arranged at the bottom of the fixing plate, a first through hole is formed in the connecting plate, a sliding seat is arranged at the bottom of the connecting plate, a sliding block is arranged in the sliding seat, a limiting rod is arranged on the sliding block, and a connecting rod is arranged on the camera. The top of the connecting rod is inserted into the first through hole, the limiting rod is horizontally inserted into the second through hole, the connecting rod and the camera are limited, a driving assembly is arranged on the bottom plate, and a rotating assembly is arranged on the fixing plate. According to the invention, the camera can be fixed and dismounted, and pitching and horizontal adjustment can be carried out.

Description

Technical Field

[0001] This utility model relates to the field of unmanned aerial vehicle (UAV) technology, and in particular to a UAV used for real-scene 3D modeling. Background Technology

[0002] With the rapid development of digital technology, there is a wide and urgent demand for realistic 3D modeling in many fields such as urban planning, surveying and mapping, cultural heritage protection, and engineering construction. Traditional ground surveying methods are inefficient and cannot meet the needs of rapid modeling of large areas. The rise of drone technology, with its flexibility, convenience, and ability to quickly reach target areas, provides a completely new solution for realistic 3D modeling. Developing a high-performance drone adapted to the needs of realistic 3D modeling is of significant practical importance.

[0003] Chinese utility model patent CN221163390U discloses an aerial surveying and photography device for urban 3D modeling, including a drone. The drone has an angle adjustment mechanism at its bottom, within which is a fixing and disassembly mechanism. A camera is housed within the fixing and disassembly mechanism. The fixing and disassembly mechanism includes a fixing component and a disassembly component; the fixing component is located within the angle adjustment mechanism, and the disassembly component is located within the fixing component. The angle adjustment mechanism allows the camera to swing left and right, increasing its field of view and making it more convenient to use without requiring manual adjustment, saving time. The fixing and disassembly mechanism allows for quick fixing and disassembly of the camera, changing the traditional drone fixing method and enabling separate disassembly and maintenance of the camera, making it more convenient.

[0004] Regarding the aforementioned technologies, the inventors believe that the following defects exist: In the above solutions, the angle adjustment mechanism can only achieve left and right adjustment, but cannot achieve pitch adjustment; in the fixing component, the clamping block is used to clamp and fix the camera by the spring force. When the drone is bumpy during operation, the spring may shake, which will cause the spring force to change, causing the clamping block of the clamping mechanism to move, and thus the camera may fall off. Utility Model Content

[0005] To address the aforementioned problems, this invention provides a drone for real-world 3D modeling.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution: A drone for real-scene 3D modeling includes a square hole on a base plate, a fixed seat on each side of the square hole on the base plate, a vertical rod arranged in the square hole, two horizontally arranged trunnions symmetrically arranged on the vertical rod, the two trunnions being rotatably mounted on the corresponding two fixed seats, a fixed plate at the lower end of the vertical rod below the base plate, a horizontally rotating connecting plate at the bottom of the fixed plate, a first through hole on the connecting plate, a sliding seat at the bottom of the connecting plate, a sliding block slidably arranged in the sliding seat, a limit rod horizontally arranged on the sliding block, a connecting rod on the camera, the diameter of the connecting rod being equal to the diameter of the first through hole, a second through hole horizontally arranged on the connecting rod being equal to the diameter of the limit rod, the top of the connecting rod being inserted into the first through hole and the limit rod being horizontally inserted into the second through hole to limit the connecting rod and the camera, a driving assembly for driving the vertical rod to rotate around the first trunnion being provided on the base plate, and a rotating assembly for driving the connecting plate to rotate being provided on the fixed plate.

[0007] By adopting the above technical solution, a vertical rod, a drive assembly, a fixing plate, a connecting plate, a rotating assembly, a first through hole, a limiting rod, a connecting rod, and a second through hole are set up. The connecting rod on the camera is installed into the first through hole, and then the limiting rod moves horizontally into the second through hole. The camera is fixed by the connecting plate and the limiting rod. The limiting rod is in the second through hole, and the supporting force on the connecting rod is stable, which greatly improves the stability of the camera. The drive assembly drives the vertical rod to rotate, which in turn drives the fixing plate, the connecting plate, and the camera to rotate, thereby realizing pitch adjustment. The rotating assembly drives the connecting plate to rotate horizontally, thereby realizing camera angle adjustment.

[0008] Furthermore, the drive assembly includes a support base mounted on the base plate, a slider slidably mounted inside the support base, and a Y-shaped connecting rod between the slider and the top of the vertical rod. One end of the Y-shaped connecting rod is rotatably connected to the slider, and the other end is rotatably connected to the top of the vertical rod.

[0009] By adopting the above technical solution, a support base, a slider, and a Y-shaped connecting rod are set up. The slider slides in the support base, which drives the Y-shaped connecting rod to move, thereby driving the vertical rod to rotate around the trunnion.

[0010] Furthermore, a lead screw is horizontally rotatably installed inside the support base, the length direction of the lead screw is perpendicular to the length direction of the trunnion, a third through hole is provided on the slider, and a thread is provided in the third through hole to helically engage with the thread on the lead screw. A first drive motor for driving the lead screw to rotate is also provided on the base plate next to the support base.

[0011] By adopting the above technical solution, a lead screw, a third through hole, and a first drive motor are set up. The lead screw is driven to rotate by the first drive motor, thereby driving the slider to move.

[0012] Furthermore, the rotating assembly includes a second drive motor mounted on a fixed plate. A gear shaft is connected to the output shaft of the second drive motor. The lower end of the gear shaft passes through the fixed plate and is provided with a drive gear. A rotating shaft is rotatably mounted on the fixed plate. A connecting plate is fixed to the lower end of the rotating shaft. A semi-circular plate is provided on one side of the connecting plate. The center of the semi-circular plate coincides with the axis of the rotating shaft. An arc-shaped rack is provided on the outer side of the semi-circular plate. The arc-shaped rack meshes with the drive gear.

[0013] By adopting the above technical solution, a second drive motor, a gear shaft, a drive gear, a rotating shaft, a semi-circular plate, and an arc-shaped rack are set up. The drive gear is driven to rotate by the second drive motor, thereby causing the arc-shaped rack and the semi-circular plate and connecting plate on it to rotate around the rotating shaft.

[0014] Furthermore, a rotating plate is rotatably arranged inside the sliding seat, and a vertical through-hole is provided on the sliding block. The rotating plate passes through the through-hole and its lower end is located below the sliding block. A sliding rod is horizontally arranged inside the through-hole, and the length direction of the sliding rod is perpendicular to the length direction of the limiting rod. A slotted hole is horizontally arranged through the rotating plate, and the sliding rod is located inside the slotted hole.

[0015] By adopting the above technical solution, a rotating plate, a strip hole, a sliding rod, and a slot hole are set. By rotating the rotating plate, the sliding block slides on the sliding seat, thereby driving the limit rod on the sliding block to move.

[0016] Furthermore, a spring is provided between the bottom of the connecting plate and the lower end of the rotating plate.

[0017] By adopting the above technical solution, a spring is set up, and the spring force pulls the rotating plate to limit the rotation plate, thereby ensuring that the limiting rod is in the second through hole.

[0018] Furthermore, the front end of the limiting rod has a rounded corner structure.

[0019] By adopting the above technical solution, it is ensured that the limiting rod can better enter the second through hole.

[0020] In summary, this utility model has the following beneficial effects:

[0021] In this application, a vertical rod, a drive assembly, a fixed plate, a connecting plate, a rotating assembly, a first through hole, a limiting rod, a connecting rod, and a second through hole are provided. The connecting rod on the camera is inserted into the first through hole, and then the limiting rod moves horizontally into the second through hole. The diameter of the connecting rod is the same as the diameter of the first through hole, which restricts the horizontal movement of the camera. The diameter of the limiting rod is the same as the diameter of the second through hole, which restricts the vertical movement of the camera and the rotation of the connecting rod and the camera, thus completely fixing the camera. The drive assembly drives the vertical rod to rotate, which in turn drives the fixed plate, the connecting plate, and the camera to rotate, thereby achieving pitch adjustment. The rotating assembly drives the connecting plate to rotate horizontally, thereby achieving camera angle adjustment. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0023] Figure 2 This is a schematic diagram of the drive component structure according to an embodiment of the present utility model;

[0024] Figure 3 This is a schematic diagram of the rotating component structure according to an embodiment of the present invention;

[0025] Figure 4 This is a schematic diagram of the camera mounting structure according to an embodiment of the present utility model;

[0026] Figure 5 yes Figure 4 A schematic diagram of the cross-sectional structure.

[0027] In the diagram: 10. Base plate; 11. Shell; 12. Wing; 13. Camera; 14. Square hole; 15. Fixing seat; 16. Vertical rod; 17. Trunnion; 18. Connecting rod; 19. Second through hole; 20. Fixing plate; 21. Connecting plate; 22. First through hole; 23. Sliding seat; 24. Sliding block; 25. Limiting rod; 30. Drive assembly; 31. Support seat; 32. Slider; 33. Y-shaped connecting rod; 34. Lead screw; 35. Third through hole; 36. First drive motor; 40. Rotating assembly; 41. Second drive motor; 42. Gear shaft; 43. Drive gear; 44. Rotating shaft; 45. Semi-circular plate; 46. Arc rack; 50. Rotating plate; 51. Strip hole; 52. Sliding rod; 53. Groove hole; 54. Spring. Detailed Implementation

[0028] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0029] like Figure 1-5 As shown in the figure, this application discloses a drone for real-scene 3D modeling, including a base plate 10, a shell 11 on the base plate 10, and a plurality of wings 12 extending around the shell 11. A camera 13 is disposed below the base plate 10. A square hole 14 is opened on the base plate 10, and a fixed seat 15 is disposed on each side of the square hole 14. A vertical rod 16 is arranged in the square hole 14, and two horizontally arranged trunnions 17 are symmetrically arranged on the vertical rod 16. The two trunnions 17 are respectively rotatably mounted on the two corresponding fixed seats 15. A fixed plate 20, a connecting plate 21, a sliding seat 23, a sliding block 24, and a limiting rod 25 are disposed at the lower end of the vertical rod 16 below the base plate 10. A connecting rod 18 is disposed on the camera 13. A driving assembly 30 is disposed on the base plate 10 for driving the vertical rod 16 to rotate around the first trunnion 17; a rotating assembly 40 is disposed on the fixed plate 20 for driving the connecting plate 21 to rotate. The connecting rod 18 on the camera 13 is inserted into the first through hole 22, and then the limiting rod 25 moves horizontally into the second through hole 19 to fix the camera 13. The vertical rod 16 is driven to rotate by the driving component 30 to achieve pitch adjustment; the connecting plate 21 is driven to rotate horizontally by the rotating component 40 to achieve angle adjustment of the camera 13.

[0030] Specifically, the connecting plate 21 is horizontally rotatably mounted at the bottom of the fixed plate 20. A first through hole 22 is provided on the connecting plate 21. A sliding seat 23 is located at the bottom of the connecting plate 21. A sliding block 24 is slidably mounted within the sliding seat 23. A limiting rod 25 is horizontally mounted on the sliding block 24. A rotating plate 50 is rotatably mounted within the sliding seat 23. A vertically penetrating strip hole 51 is provided on the sliding block 24. The rotating plate 50 passes through the strip hole 51, and its lower end is located below the sliding block 24. A sliding rod 52 is horizontally mounted within the strip hole 51, with its length direction perpendicular to the length direction of the limiting rod 25. A horizontally penetrating slot hole 53 is provided on the rotating plate 50, and the sliding rod 52 is located within the slot hole 53. A connecting rod 18 is mounted on the camera 13. The diameter of the connecting rod 18 is equal to the diameter of the first through hole 22. A second through hole 19, equal in diameter to the limiting rod 25, is horizontally provided on the connecting rod 18. First, insert the top of the connecting rod 18 into the first through hole 22. By rotating the rotating plate 50, the sliding block 24 slides on the sliding seat 23, thereby driving the limiting rod 25 on the sliding block 24 to move, so that the limiting rod 25 is horizontally inserted into the second through hole 19 to fix the connecting rod 18 and the camera 13.

[0031] Furthermore, the front end of the limiting rod 25 has a rounded corner structure to ensure that the limiting rod 25 can better enter the second through hole 19. A spring 54 is provided between the bottom of the connecting plate 21 and the lower end of the rotating plate 50. The spring 54 pulls the rotating plate 50 to limit the rotation plate 50, thereby ensuring that the limiting rod 25 is within the second through hole 19. If the drone experiences turbulence during operation, the spring 54 will shake, causing a change in elastic force, which will cause a small movement in the position of the rotating plate 50, and consequently a small movement in the sliding block 24 and the limiting rod 25. However, the limiting rod 25 will always be within the second through hole 19, and will not cause a change in the supporting force of the limiting rod 25 on the connecting rod 18 and the camera 13, thus not affecting the fixation of the camera 13.

[0032] The drive assembly 30 includes a support base 31, a slider 32, and a Y-shaped connecting rod 33. The support base 31 is mounted on the base plate 10. The slider 32 is slidably mounted within the support base 31. The Y-shaped connecting rod 33 is positioned between the slider 32 and the top of the vertical rod 16. One end of the Y-shaped connecting rod 33 is rotatably connected to the slider 32, and the other end is rotatably connected to the top of the vertical rod 16. A lead screw 34 is also horizontally rotatably mounted within the support base 31. A third through hole 35 is provided on the slider 32, and a thread is provided within the third through hole 35 that helically engages with the thread on the lead screw 34. The length direction of the lead screw 34 is perpendicular to the length direction of the trunnion 17, ensuring that the movement direction of the slider 32 is consistent with the rotation direction of the vertical rod 16. A first drive motor 36 is also mounted on the base plate 10 next to the support base 31 to drive the lead screw 34 to rotate. By driving the lead screw 34 to rotate via the first drive motor 36, it slides within the support base 31, thereby driving the Y-shaped connecting rod 33 to move, which in turn drives the vertical rod 16 to rotate around the trunnion 17.

[0033] The rotating assembly 40 includes a second drive motor 41, a gear shaft 42, a drive gear 43, a rotating shaft 44, a semi-circular plate 45, and an arc-shaped rack 46. The second drive motor 41 is mounted on a fixed plate 20. The upper end of the gear shaft 42 is connected to the output shaft of the second drive motor 41, and the lower end passes through the fixed plate 20 and is fitted with the drive gear 43. The rotating shaft 44 is rotatably mounted on the fixed plate 20. A connecting plate 21 is fixed to the lower end of the rotating shaft 44. The semi-circular plate 45 is located on one side of the connecting plate 21, and the arc-shaped rack 46 is located on the outer side of the semi-circular plate 45. The arc-shaped rack 46 meshes with the drive gear 43, and the center of the semi-circular plate 45 coincides with the axis of the rotating shaft 44. The second drive motor 41 drives the drive gear 43 to rotate, thereby causing the arc-shaped rack 46, the semi-circular plate 45, and the connecting plate 21 to rotate around the rotating shaft 44.

[0034] The operating principle of a drone used for real-scene 3D modeling in this embodiment is as follows: Before the drone takes off, the connecting rod 18 on the camera 13 is inserted into the first through hole 22. Then, the limiting rod 25 moves horizontally into the second through hole 19. The camera 13 is fixed by the connecting plate 21 and the limiting rod 25. The limiting rod 25 is in the second through hole 19, and the supporting force on the connecting rod 18 is stable, which greatly improves the stability of the camera 13. At this time, the drone takes off. The driving component 30 drives the vertical rod 16 to rotate, which drives the fixing plate 20, the connecting plate 21 and the camera 13 to rotate, realizing the pitch adjustment. The rotating component 40 drives the connecting plate 21 to rotate horizontally, realizing the angle adjustment of the camera 13, so as to shoot from multiple angles. After the shooting is completed and the drone lands, the rotating plate 50 is rotated to move the limiting rod 25 out of the second through hole 19, and the camera 13 is disassembled.

[0035] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A drone for real-world 3D modeling, comprising a base plate (10), a shell (11) disposed on the base plate (10), a plurality of wings (12) extending around the shell (11), and a camera (13) disposed below the base plate (10), characterized in that: A square hole (14) is provided on the base plate (10). A fixed seat (15) is provided on each side of the square hole (14) on the base plate (10). A vertical rod (16) is arranged in the square hole (14). Two horizontally arranged trunnions (17) are symmetrically arranged on the vertical rod (16). The two trunnions (17) are respectively rotatably mounted on the two corresponding fixed seats (15). A fixed plate (20) is provided at the lower end of the vertical rod (16) below the base plate (10). A horizontally rotating connecting plate (21) is provided at the bottom of the fixed plate (20). A first through hole (22) is provided on the connecting plate (21). A sliding seat (23) is provided at the bottom of the connecting plate (21). A sliding mechanism is slidably arranged in the sliding seat (23). Block (24), the sliding block (24) is horizontally provided with a limiting rod (25), the camera (13) is provided with a connecting rod (18), the diameter of the connecting rod (18) is equal to the diameter of the first through hole (22), the connecting rod (18) is horizontally provided with a second through hole (19) with the same diameter as the limiting rod (25), the top of the connecting rod (18) is inserted into the first through hole (22) and the limiting rod (25) is horizontally inserted into the second through hole (19) to limit the connecting rod (18) and the camera (13), the base plate (10) is provided with a driving assembly (30) for driving the vertical rod (16) to rotate around the first trunnion (17), and the fixed plate (20) is provided with a rotating assembly (40) for driving the connecting plate (21) to rotate.

2. The UAV for real-scene 3D modeling according to claim 1, characterized in that: The drive assembly (30) includes a support base (31) disposed on the base plate (10), a slider (32) is slidably disposed in the support base (31), and a Y-shaped connecting rod (33) is disposed between the slider (32) and the top end of the vertical rod (16). One end of the Y-shaped connecting rod (33) is rotatably connected to the slider (32), and the other end is rotatably connected to the top end of the vertical rod (16).

3. The UAV for real-scene 3D modeling according to claim 2, characterized in that: A lead screw (34) is horizontally rotatably mounted inside the support base (31). The length direction of the lead screw (34) is perpendicular to the length direction of the trunnion (17). A third through hole (35) is provided on the slider (32). A thread is provided in the third through hole (35) to engage with the thread on the lead screw (34). A first drive motor (36) for driving the lead screw (34) to rotate is also provided on the base plate (10) next to the support base (31).

4. The UAV for real-scene 3D modeling according to claim 1, characterized in that: The rotating assembly (40) includes a second drive motor (41) mounted on a fixed plate (20). A gear shaft (42) is connected to the output shaft of the second drive motor (41). The lower end of the gear shaft (42) passes through the fixed plate (20) and is provided with a drive gear (43). A rotating shaft (44) is rotatably mounted on the fixed plate (20). A connecting plate (21) is fixed to the lower end of the rotating shaft (44). A semi-circular plate (45) is provided on one side of the connecting plate (21). The center of the semi-circular plate (45) coincides with the axis of the rotating shaft (44). An arc-shaped rack (46) is provided on the outer side of the semi-circular plate (45). The arc-shaped rack (46) meshes with the drive gear (43).

5. The UAV for real-scene 3D modeling according to claim 1, characterized in that: A rotating plate (50) is rotatably disposed inside the sliding seat (23). A vertical through-hole (51) is provided on the sliding block (24). The rotating plate (50) passes through the through-hole (51) and the lower end of the rotating plate (50) is located below the sliding block (24). A sliding rod (52) is horizontally disposed inside the through-hole (51) and the length direction of the sliding rod (52) is perpendicular to the length direction of the limiting rod (25). A slotted hole (53) is horizontally disposed on the rotating plate (50) and the sliding rod (52) is located inside the slotted hole (53).

6. The UAV for real-scene 3D modeling according to claim 5, characterized in that: A spring (54) is provided between the bottom of the connecting plate (21) and the lower end of the rotating plate (50).

7. The UAV for real-scene 3D modeling according to claim 1, characterized in that: The front end of the limiting rod (25) has a rounded corner structure.

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