Fixed-wing unmanned aerial vehicle wing dismounting and mounting angle adjusting device

Abstract

The utility model discloses a fixed-wing unmanned aerial vehicle wing dismounting and mounting angle adjusting device which comprises a fixed-wing unmanned aerial vehicle body center wing box connecting system, a wing connecting system and a connecting rod, the fixed-wing unmanned aerial vehicle body center wing box connecting system comprises a square frame, and an angle adjusting mechanism is arranged in the square frame; the angle adjusting mechanism comprises a rotating assembly, a locking assembly, a bevel gear transmission assembly and a reduction gear assembly. And the wing connecting system is connected with the connecting rod through a buckle structure. According to the utility model, the central wing box and the wings of the unmanned aerial vehicle can be quickly disassembled and assembled through the buckle structure; meanwhile, the gear set is used for driving the connecting part of the wing and the central wing box to rotate to adjust the angle of the wing, and the locking set is used for fixing and locking the gear set after the required angle is adjusted, so that the angle of the wing can be conveniently adjusted to adapt to different use scenes.

Description

Technical Field

[0001] This utility model relates to the field of unmanned aerial vehicle (UAV) technology, specifically to a device for adjusting the detachment and installation angle of a fixed-wing UAV wing. Background Technology

[0002] With the popularization and development of drones, their application scope is becoming wider and wider. Among them, fixed-wing drones, due to their excellent functions and modular integration, are now widely used in surveying, geology, petroleum, agriculture and forestry and have broad market application prospects.

[0003] However, due to the needs of certain special missions, it is sometimes necessary to quickly disassemble and replace fixed drones. Traditional disassembly methods typically use manual tools or specialized equipment to disassemble each component and reassemble it into a new drone. This method is not only time-consuming and inefficient, but also cannot meet the demands of high-intensity operations. Furthermore, due to the lack of appropriate mechanisms, the wings are often welded to the perimeter of the drone body, resulting in a fixed and non-adjustable wing angle that cannot be adjusted according to different operating environments. Therefore, developing a fixed-wing drone device that enables rapid disassembly and flexible wing angle adjustment is particularly important. Utility Model Content

[0004] The purpose of this invention is to provide a device for adjusting the detachment and installation angle of the wings of a fixed-wing drone, so as to solve the problems of difficult detachment and installation of existing fixed-wing drones and the inability to adjust the wing angle.

[0005] The technical solution of this utility model to solve the above-mentioned technical problems is as follows:

[0006] A device for adjusting the detachment and installation angle of a fixed-wing UAV wing includes: a fixed-wing UAV fuselage center wing box connection system, a wing connection system, and a connecting rod. The fixed-wing UAV fuselage center wing box connection system includes a square frame, and an angle adjustment mechanism is provided inside the square frame.

[0007] The angle adjustment mechanism includes a rotating assembly that passes through the top plate of the square frame, a locking assembly that is set on the top plate of the square frame and used to lock the rotating assembly, a bevel gear transmission assembly that is rotatably set between the two side plates of the square frame, and a reduction gear assembly that is set at the bottom of the top plate of the square frame and respectively drives the bevel gear transmission assembly and the rotating assembly. When the locking assembly is in the locked state, the rotating assembly is limited.

[0008] The left and right side walls of the square frame are symmetrically provided with arc-shaped slots, and the connecting rod has a "Π" shaped structure. It passes through the arc-shaped slots on the square frame and connects to both ends of the bevel gear transmission assembly.

[0009] The wing connection system is connected to the linkage via a snap-fit ​​structure.

[0010] Furthermore, the top plate of the aforementioned square frame is provided with an installation groove, and the top plate of the square frame is provided with openings on both sides that communicate with the installation groove.

[0011] The rotating assembly includes a rotating knob that passes through the top plate of the square frame, a face gear that is mounted on the rotating shaft of the rotating knob and located in the mounting groove, and a gear 1 that is mounted on the rotating shaft of the rotating knob and located at the bottom of the top plate of the square frame. The gear 1 is in transmission engagement with the reduction gear assembly.

[0012] Furthermore, the top wall of the aforementioned mounting groove is provided with mounting holes;

[0013] The locking assembly includes a face gear plate installed in the mounting slot and sleeved on the rotating shaft of the rotary knob, and a spring connecting the top of the face gear plate and the bottom wall of the mounting hole, with both ends of the face gear plate extending into the openings on both sides respectively.

[0014] When the locking component is in the locked state, the spring is in the extended state, and the teeth on the face gear plate mesh with the teeth on the face gear.

[0015] Furthermore, the aforementioned bevel gear transmission assembly includes a bevel gear rod rotatably disposed between the two side plates of the square frame, and a first bevel gear disposed on the bevel gear rod and in transmission cooperation with the reduction gear assembly, and a connecting rod passing through an arc-shaped slot and connected to both ends of the bevel gear rod.

[0016] Furthermore, the aforementioned reduction gear assembly includes a first rotating shaft and a second rotating shaft respectively rotatably disposed at the bottom of the top plate of the square frame, a second gear and a third gear respectively disposed on the first rotating shaft, and a fourth gear and a second bevel gear disposed on the second rotating shaft. The second gear meshes with the first gear, the third gear meshes with the fourth gear, and the second bevel gear meshes perpendicularly with the first bevel gear.

[0017] Furthermore, both the first bevel gear and the second bevel gear mentioned above are straight bevel gears.

[0018] Furthermore, square slots are provided on both sides of the connecting rod, and grooves are provided on the top wall of the square slots;

[0019] The wing connection system includes a connector, which has a strip-shaped through groove, and a slot hole at the top of the connector that communicates with the strip-shaped through groove. A spring is installed on the bottom wall of the strip-shaped through groove.

[0020] The buckle structure includes a buckle with a "￢" shape. A vertical insert rod is set on the horizontal section of the buckle. The insert rod can be inserted into the slot hole. The vertical section of the buckle can be inserted into the groove of the square buckle slot.

[0021] Furthermore, the top of the aforementioned insert is higher than the top of the slot.

[0022] Furthermore, the aforementioned connector is provided with a plug hole, and the connecting rod is provided with a connecting hole corresponding to the plug hole. The plug hole and the connecting hole can be fixed by quick insertion of a tube.

[0023] Furthermore, the aforementioned connector and connecting rod are provided with threaded holes of the same size, which can be used to fix the two together with bolts.

[0024] This utility model has the following beneficial effects:

[0025] 1. This utility model enables fine-tuning of the installation angle of the wing connection system by setting a gear set. By rotating the rotating component, the rotating component drives the bevel gear transmission component to rotate through the reduction gear assembly, which in turn drives the connecting rod to rotate. After rotating to the required angle, the rotating component is locked and limited by the locking assembly, which also limits the connecting rod, ultimately changing the angle of the wing connection system. This allows for convenient adjustment of the wing angle to adapt to different usage scenarios. It enables the UAV to dynamically adjust its wing angle during flight or in the flight preparation phase, thereby changing its flight performance and allowing the UAV to have better aerodynamic characteristics at different cruising speeds. It also makes it easier to determine the wing installation angle during the UAV's debugging process.

[0026] 2. This utility model features a snap-fit ​​structure with a quick-release layout, which allows for convenient and quick installation and removal of the wings. It is easy to remove and convenient to install. Attached Figure Description

[0027] Figure 1 A schematic diagram of the overall structure for disassembling and assembling the wings of a fixed-wing UAV and installing an angle adjustment device;

[0028] Figure 2 An exploded structural diagram of the disassembly and assembly of the wing of a fixed-wing UAV and the installation of an angle adjustment device;

[0029] Figure 3 This is a schematic diagram of the reduction gear assembly and the bevel gear transmission assembly.

[0030] Figure 4 This is a schematic diagram of the rotating component and the locking component.

[0031] Figure 5 This is a schematic diagram of the face gear plate.

[0032] Figure 6 This is a structural diagram of the top plate of a square frame;

[0033] Figure 7 for Figure 6 A schematic diagram of the AA structure;

[0034] Figure 8This is a schematic diagram of the connection structure between the connecting rod and the bevel gear transmission assembly.

[0035] Figure 9 This is a schematic diagram of the snap-fit ​​structure;

[0036] Figure 10 This is a structural schematic diagram of the connector.

[0037] In the diagram: 1. Fixed-wing UAV fuselage center wing box connection system; 11. Arc-shaped slot; 12. Mounting slot; 13. Opening; 14. Mounting hole; 2. Wing connection system; 3. Angle adjustment mechanism; 31. Rotating assembly; 311. Rotating knob; 312. Face gear; 313. Gear one; 32. Locking assembly; 321. Face gear plate; 322. Spring one; 33. Bevel gear transmission assembly; 331. Bevel gear rod; 332. First bevel gear; 34. Reduction gear assembly; 341. First rotating shaft; 342. Second rotating shaft; 343. Gear two; 344. Gear three; 345. Gear four; 346. Second bevel gear; 4. Connecting rod; 41. Square slot; 42. Connecting hole; 5. Buckle structure; 51. Insert rod; 6. Connector; 61. Strip through groove; 62. Slot hole; 63. Spring two; 64. Insertion hole. Detailed Implementation

[0038] The principles and features of this utility model are described below with reference to the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.

[0039] like Figure 1 and Figure 2As shown, an embodiment of this utility model provides a device for adjusting the detachment and installation angle of a fixed-wing UAV wing, including: a fixed-wing UAV fuselage center wing box connection system 1, a wing connection system 2, and a connecting rod 4. The fixed-wing UAV fuselage center wing box connection system 1 includes a square frame, and an angle adjustment mechanism 3 is provided inside the square frame. Specifically, the angle adjustment mechanism 3 includes a rotating component 31 passing through the top plate of the square frame, a locking component 32 set on the top plate of the square frame and used to lock the rotating component 31, a bevel gear transmission component 33 rotatably set between the two side plates of the square frame, and a reduction gear component 34 set at the bottom of the top plate of the square frame and respectively drivingly cooperating with the bevel gear transmission component 33 and the rotating component 31. When the locking component 32 is in the locked state, the rotating component 31 is limited, and thus the reduction gear component 34 and the bevel gear transmission component 33 do not rotate. The left and right side walls of the square frame are respectively symmetrically provided with arc-shaped slots 11, and the connecting rod 4 has a "Π" shaped structure, which passes through the arc-shaped slots 11 on the square frame and is connected to both ends of the bevel gear transmission component 33. When it is necessary to adjust the wing angle, operate the locking component 32 and release the lock on the rotating component 31. Turning the rotating component 31 will drive the bevel gear transmission component 33 to rotate through the reduction gear component 34, which in turn drives the connecting rod 4 to rotate and changes the horizontal angle of the connecting rod 4, thereby achieving the purpose of fine adjustment of the wing installation angle.

[0040] like Figure 2 , Figures 3 to 7 As shown, a mounting groove 12 is provided in the top plate of the square frame, and openings 13 communicating with the mounting groove 12 are respectively provided on both sides of the top plate of the square frame; the rotating assembly 31 includes a rotating knob 311 passing through the top plate of the square frame, and a shaft hole adapted to the rotating shaft of the rotating knob 311 is provided on the top plate of the square frame; a face gear 312 is provided on the rotating shaft of the rotating knob 311 and located in the mounting groove 12; and a gear 313 is provided on the rotating shaft of the rotating knob 311 and located at the bottom of the top plate of the square frame. The face gear 312 and the gear 313 are both fixed on the rotating shaft of the rotating knob 311, and the gear 313 is in transmission cooperation with the reduction gear assembly 34.

[0041] The top wall of the mounting groove 12 is provided with a mounting hole 14; the locking assembly 32 includes a face gear plate 321 installed in the mounting groove 12 and sleeved on the rotating shaft of the rotary knob 311. The center of the face gear plate 321 is provided with a shaft hole for the rotating shaft of the rotary knob 311 to pass through, and a spring 322 connected between the top of the face gear plate 321 and the bottom wall of the mounting hole 14. The two ends of the face gear plate 321 extend into the openings 13 on both sides respectively; when the locking assembly 32 is in the locked state, the spring 322 is in the extended state, and the teeth on the face gear plate 321 mesh with the teeth on the face gear 312.

[0042] like Figure 2 , Figure 3 , Figure 8 As shown, the bevel gear transmission assembly 33 includes a bevel gear rod 331 rotatably disposed between the two side plates of a square frame. The two side plates of the square frame are symmetrically provided with shaft holes that match the two ends of the bevel gear rod 331. A first bevel gear 332 is disposed on the bevel gear rod 331 and is in transmission cooperation with the reduction gear assembly 34. The connecting rod 4 passes through the arc-shaped slot 11 and is connected to the two ends of the bevel gear rod 331.

[0043] The reduction gear assembly 34 includes a first rotating shaft 341 and a second rotating shaft 342, which are rotatably mounted on the bottom of the top plate of the square frame. The bottom of the top plate of the square frame has two shaft holes, and bearing seats are installed in the two shaft holes. The first rotating shaft 341 and the second rotating shaft 342 are respectively connected to the two bearing seats. Gear 2 343 and gear 344 are respectively mounted on the first rotating shaft 341. Gear 2 343 is located above gear 344 and meshes with gear 1 313. Gear 4 345 and a second bevel gear 346 are mounted on the second rotating shaft 342. The second bevel gear 346 is located below gear 4 345. Gear 344 meshes with gear 4 345, and the second bevel gear 346 meshes perpendicularly with the first bevel gear 332. Gear 1 313 is the same as gear 344, gear 2 343 is the same as gear 4 345, and gear 1 313 and gear 344 are designed with a 1:4 ratio to form a reduction gear set; the first bevel gear 332 and the second bevel gear 346 are both straight bevel gears.

[0044] When the wing's installation angle needs adjustment, the face gear plate 321 at the two openings 13 is moved upwards. The teeth on the face gear plate 321 do not mesh with the face gear 312, and the spring 322 is compressed, releasing the lock of the rotating assembly 31. Then, the rotary knob 311 is turned, causing the face gear 312 and the first gear 313 to rotate. The first gear 313 drives the second gear 343 to rotate, which in turn drives the third gear 344 to rotate synchronously. The third gear 344 drives the fourth gear 345 to rotate, which in turn drives the second bevel gear 346 to rotate synchronously. The second bevel gear 346 then drives the first bevel gear 332 to rotate, which in turn drives the connecting rod 4 to rotate via the bevel gear rod 331, thus changing the rotation direction. The installation angle of the variable wing; when the face gear plate 321 at the two openings 13 is released, the face gear plate 321 is driven to reset under the elastic force of the spring 322, and the teeth of the face gear plate 321 mesh with the teeth of the face gear 312. The teeth on the face gear plate 321 can restrict the rotation of the face gear 312, thus locking the face gear 312, locking the rotating component 31, thereby restricting the rotation of the reduction gear component 34 and the bevel gear transmission component 33, ensuring that the bevel gear transmission component 33 remains stably meshed in the expected position, thereby fixing and locking the gear set 3, limiting the connecting rod 4, and finally fixing its wing installation angle, so that the wing angle can be easily adjusted to adapt to different usage scenarios.

[0045] like Figure 2 , Figures 8 to 10As shown, the wing connection system 2 and the connecting rod 4 are connected by a snap-fit ​​structure 5. Specifically, square slots 41 are provided on both sides of the connecting rod 4, and a groove is provided on the top wall of the square slots 41. The wing connection system 2 includes a connector 6, which has a strip-shaped through groove 61. A slot hole 62 communicating with the strip-shaped through groove 61 is provided on the top of the connector 6. A spring 63 is provided on the bottom wall of the strip-shaped through groove 61. The connector 6 also has a strip-shaped groove matching the shape of the connecting rod 4, which communicates with the strip-shaped through groove 61. The snap-fit ​​structure 5 includes a snap-fit ​​with a "￢" shaped structure. A rod 51 is vertically provided on the horizontal section of the snap-fit. Preferably, there are two rods 51. The rods 51 are movably inserted into the slot hole 62, and the vertical section of the snap-fit ​​can be inserted into the groove of the square slot 41. The top of the rod 51 is higher than the top of the slot hole 62, so that the top of the rod 51 protrudes, and the protruding part can be used as a button. During assembly, the horizontal section of the snap-fit ​​structure 5 is inserted into the strip groove 61, and the second spring 63 is brought into contact with the bottom of the horizontal section of the snap-fit. The insert rod 51 is inserted into the slot hole 62 and connected to the horizontal section of the snap-fit. This connection can be a threaded connection, with an external thread on the outer wall of the end of the insert rod 51 and an internal thread hole that mates with the external thread on the outer wall of the end of the snap-fit ​​at the corresponding location of the horizontal section of the snap-fit. Alternatively, the insert rod 51 can be welded to the horizontal section of the snap-fit ​​during assembly, allowing the snap-fit ​​structure 5 to move on the connector 6.

[0046] When assembling the fixed-wing UAV fuselage center wing box connection system 1 and wing connection system 2, align the square slot 41 of the connecting rod 4 with the vertical section of the buckle and press down. Figure 1 The protruding portion at the top of the insert rod 51 applies pressure, causing the buckle to overcome the elastic force of the second spring 63 through external force, and inserting the vertical section of the buckle into the corresponding square slot 41. Once the buckle is in the square slot 41, the insert rod 51 is released, the second spring 63 will return to its original position and apply an upward elastic force to the buckle, so that the vertical section of the buckle can be firmly embedded and locked in the groove of the square slot 41.

[0047] like Figure 1 , Figure 8 , Figure 10As shown, to make the assembly structure of the UAV more stable, a plug-in hole 64 is provided on the connector 6, and a corresponding connecting hole 42 is provided on the connecting rod 4. The plug-in hole 64 and the connecting hole 42 can be quickly fixed with tubing. After the UAV is assembled through the snap-fit ​​structure 5, a carbon tube is inserted from the plug-in hole 64 to the connecting hole 42, thereby achieving a tight connection and fixation of the two components, making the wing and fuselage more stable. Alternatively, threaded holes of the same size can be provided on the connector 6 and the connecting rod 4, which can be fixed with bolts; the plug-in hole 64 and the connecting hole 42 can be replaced with threaded holes, and the two can be fixed with bolts. The above device can not only realize the quick assembly and disassembly of the wing and fuselage, but also simultaneously adjust the installation angle of the wing, which is simple and flexible to operate.

[0048] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A device for adjusting the detachment and installation angle of a fixed-wing unmanned aerial vehicle (UAV) wing, characterized in that, include: The fixed-wing UAV fuselage center wing box connection system (1), wing connection system (2) and connecting rod (4) are provided. The fixed-wing UAV fuselage center wing box connection system (1) includes a square frame and an angle adjustment mechanism (3) is provided inside the square frame. The angle adjustment mechanism (3) includes a rotating assembly (31) passing through the top plate of the square frame, a locking assembly (32) disposed on the top plate of the square frame and used to lock the rotating assembly (31), a bevel gear transmission assembly (33) rotatably disposed between the two side plates of the square frame, and a reduction gear assembly (34) disposed at the bottom of the top plate of the square frame and respectively engaging with the bevel gear transmission assembly (33) and the rotating assembly (31). When the locking assembly (32) is in the locked state, the rotating assembly (31) is limited. The left and right side walls of the square frame are respectively symmetrically provided with arc-shaped slots (11), and the connecting rod (4) has a "Π" shaped structure. It passes through the arc-shaped slots (11) on the square frame and is connected to both ends of the bevel gear transmission assembly (33). The wing connection system (2) is connected to the connecting rod (4) via a snap-fit ​​structure (5).

2. The detachment and installation angle adjustment device for the wing of a fixed-wing UAV according to claim 1, characterized in that, The top plate of the square frame is provided with an installation groove (12), and the top plate of the square frame is provided with openings (13) on both sides that communicate with the installation groove (12). The rotating assembly (31) includes a rotating knob (311) passing through the top plate of the square frame, a face gear (312) disposed on the rotating shaft of the rotating knob (311) and located in the mounting groove (12), and a gear one (313) disposed on the rotating shaft of the rotating knob (311) and located at the bottom of the top plate of the square frame. The gear one (313) is in transmission cooperation with the reduction gear assembly (34).

3. The detachment and installation angle adjustment device for the wing of a fixed-wing UAV according to claim 2, characterized in that, The top wall of the mounting groove (12) is provided with a mounting hole (14); The locking assembly (32) includes a face gear plate (321) installed in the mounting groove (12) and sleeved on the rotating shaft of the rotary knob (311), and a spring (322) connected between the top of the face gear plate (321) and the bottom wall of the mounting hole (14). The two ends of the face gear plate (321) extend into the openings (13) on both sides respectively. When the locking component (32) is in the locked state, the spring (322) is in the extended state, and the teeth on the face gear plate (321) mesh with the teeth on the face gear (312).

4. The detachment and installation angle adjustment device for the wing of a fixed-wing UAV according to claim 2, characterized in that, The bevel gear transmission assembly (33) includes a bevel gear rod (331) rotatably disposed between the two side plates of the square frame, and a first bevel gear (332) disposed on the bevel gear rod (331) and in transmission cooperation with the reduction gear assembly (34). The connecting rod (4) passes through the arc-shaped slot (11) and is connected to both ends of the bevel gear rod (331).

5. The detachment and installation angle adjustment device for the fixed-wing UAV wing according to claim 4, characterized in that, The reduction gear assembly (34) includes a first rotating shaft (341) and a second rotating shaft (342) rotatably disposed at the bottom of the top plate of the square frame, a second gear (343) and a third gear (344) respectively disposed on the first rotating shaft (341), and a fourth gear (345) and a second bevel gear (346) disposed on the second rotating shaft (342). The second gear (343) meshes with the first gear (313), the third gear (344) meshes with the fourth gear (345), and the second bevel gear (346) meshes perpendicularly with the first bevel gear (332).

6. The detachment and installation angle adjustment device for the wing of a fixed-wing UAV according to claim 5, characterized in that, Both the first bevel gear (332) and the second bevel gear (346) are straight bevel gears.

7. The detachment and installation angle adjustment device for the wing of a fixed-wing unmanned aerial vehicle according to any one of claims 1 to 6, characterized in that, The connecting rod (4) has square slots (41) on both sides, and the top wall of the square slots (41) has a groove. The wing connection system (2) includes a connector (6), the connector (6) has a strip-shaped through groove (61), the top of the connector (6) has a slot (62) communicating with the strip-shaped through groove (61), and the bottom wall of the strip-shaped through groove (61) is provided with a spring (63). The buckle structure (5) includes a buckle with a "￢" shaped structure. A rod (51) is vertically arranged on the horizontal section of the buckle. The rod (51) is movably inserted into the slot (62). The vertical section of the buckle can be inserted into the groove of the square buckle slot (41).

8. The detachment and installation angle adjustment device for the wing of a fixed-wing UAV according to claim 7, characterized in that, The top of the insert (51) is higher than the top of the slot (62).

9. The detachment and installation angle adjustment device for the wing of a fixed-wing UAV according to claim 7, characterized in that, The connector (6) is provided with a plug hole (64), and the connecting rod (4) is provided with a connecting hole (42) corresponding to the plug hole (64). The plug hole (64) and the connecting hole (42) can be fixed by quick insertion of a tube.

10. The detachment and installation angle adjustment device for the wing of a fixed-wing unmanned aerial vehicle according to claim 7, characterized in that, The connector (6) and the connecting rod (4) are provided with threaded holes of the same size, and can be fixed together with bolts.

Images