Fixed wing structure suitable for vertical take-off and landing and control method thereof

Abstract

The invention relates to the technical field of unmanned aerial vehicles, and discloses a fixed wing structure suitable for vertical take-off and landing and a control method thereof.The fixed wing structure comprises the unmanned aerial vehicle, fixed wings are fixedly installed on the two sides of the unmanned aerial vehicle, driving motors are rotatably installed at the ends, away from the unmanned aerial vehicle, of the fixed wings, and fan blades are detachably installed at the output ends of the driving motors; according to the fixed wing structure suitable for vertical take-off and landing and the control method of the fixed wing structure, a driving motor drives a transverse plate, a poke rod and a poke disc to rotate, the rotating poke rod can be inserted into a vertical hole of a corresponding index plate, the index plate can rotate by 90 degrees, meanwhile, the poke disc can be rotated into a notch of the index plate, in this way, the contact with the index plate is increased, and the rotation speed of the poke disc is increased. Power is provided for rotation of the index plate, the rotating index plate drives the rotating shaft to rotate, and the rotating shaft drives the driving motor and the fan blades to rotate from a horizontal state to a vertical state, so that the purpose of rotating and turning the vertical wing is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of unmanned aerial vehicles, and in particular to a fixed-wing structure suitable for vertical take-off and landing and a control method thereof. Background Art

[0002] Common aircraft are divided into two categories: helicopters and fixed-wing aircraft. Helicopters can take off and land vertically at low speeds, and do not require high airport runways, but their speed and range are not as fast as fixed-wing aircraft; the latter have high speeds when taking off and landing, have high requirements for airport runways, and are more dangerous.

[0003] Therefore, the fixed-wing aircraft can realize the helicopter flight mode, thereby improving the safety performance of the fixed-wing aircraft for take-off and landing, and reducing the site requirements for the fixed-wing aircraft for take-off and landing, which can expand the application range of the fixed-wing aircraft.

[0004] After the fixed-wing aircraft takes off and lands vertically, its vertical wing is still in a vertical state, which causes greater resistance when the fixed-wing drone is flying. Therefore, there is a lack of a mechanism for turning the vertical wing to solve the problem. Similarly, the installation between the fixed-wing aircraft and the vertical wing is cumbersome, and it takes a certain amount of time to disassemble the vertical wing when it is not in use. Therefore, there is a lack of a mechanism for quickly disassembling the vertical wing to solve the problem. Summary of the invention

[0005] 1. Technical issues to be resolved In view of the deficiencies in the prior art, the present invention provides a fixed-wing structure suitable for vertical take-off and landing and a control method thereof, which has the advantages of adjusting the direction of the vertical wing and quickly disassembling the vertical wing, thereby solving the above-mentioned problems.

[0006] (II) Technical solution In order to achieve the above-mentioned purpose of adjusting the direction of the vertical wing and quickly disassembling the vertical wing, the present invention provides the following technical solutions: a fixed-wing structure suitable for vertical take-off and landing, including a UAV, fixed wings are fixedly installed on both sides of the UAV, a drive motor is rotatably installed on the end of the fixed wing away from the UAV, and a fan blade is detachably installed on the output end of the drive motor, an installation groove is provided at the end of the fixed wing away from the UAV, a cover is detachably installed on the open end of the installation groove, one end of the rotating shaft is rotatably connected to the inner bottom wall of the installation groove, a dividing mechanism is mounted on the outer side of the rotating shaft, a locking structure is mounted on the outer side of the rotating shaft and in front of the dividing mechanism, and a quick-insertion mechanism is detachably installed on the other end of the rotating shaft.

[0007] Preferably, the dividing mechanism includes a dividing plate, the surface of the dividing plate is provided with four vertical holes with an angle of ninety degrees, the surface of the dividing plate is provided with a notch between two adjacent vertical holes, a support is fixedly installed on the inner wall of the mounting groove, a driving motor is fixedly installed inside the support, a horizontal plate is fixedly installed on the output end of the driving motor, toggle rods corresponding to the vertical holes are fixedly installed on both ends of the surface of the horizontal plate, and a toggle plate corresponding to the notch is fixedly installed on the surface of the horizontal plate.

[0008] Preferably, the dividing plate is fixedly mounted on the outer side of the rotating shaft, the toggle rod is inserted into the interior of the vertical hole when rotating, the toggle plate contacts the inner wall of the toggle plate when rotating, the toggle rod and the toggle plate are cross-arranged, and the horizontal plane of the cross plate is located behind the horizontal plane of the dividing plate.

[0009] Preferably, the locking structure includes a locking ring, limit rings are fixedly installed on the front and back sides of the locking ring, a locking block is installed on the inner bottom wall of the mounting groove, a groove is fixedly installed on the surface of the locking block, a spring A is fixedly installed on the inner bottom wall of the groove, a T-shaped lock head is fixedly installed on the top of the groove, a fixing ring is fixedly installed on the open end of the groove, and the outer surface of the locking ring is provided with locking grooves arranged in a ring shape.

[0010] Preferably, the locking ring is fixedly mounted on the outer side of the rotating shaft, the locking block is located below the locking ring, the T-shaped locking head extends into the interior of the locking groove, the T-shaped locking head is located between two limiting rings, and the T-shaped locking head is clamped with the locking ring through the locking groove.

[0011] Preferably, the quick-insertion mechanism includes a side plate, a plug post is fixedly installed on the side of the side plate, a cavity is opened inside the plug post and the side plate, two slides are arranged inside the cavity, the opposite back surfaces of the two slides are fixedly installed with a clamping head, the opposite surfaces of the two slides are fixedly installed with a convex column, a spring B is clamped between the two convex columns, a sliding rod is fixedly installed on the end of the slide away from the clamping head, a pressing head is fixedly installed on the other end of the sliding rod, and a spring C is sleeved on the outer side of the sliding rod.

[0012] Preferably, a slot corresponding to the plug post is formed at the rear end of the shaft, a card slot corresponding to the card head is formed on the inner wall of the slot, a guide slot is formed on the inner wall of the slot, and the guide slot and the card slot are interconnected.

[0013] Preferably, the side plate is fixedly connected to the side of the driving motor, the cross-sections of the plug and the slot are square, the cross-sections of the clamp and the slot are trapezoidal, and the plug can be detachably installed with the plug through the clamp and the slot.

[0014] A fixed-wing control method suitable for vertical take-off and landing, the steps are as follows: S1: insert the drive motor and fan blades into the tail end of the fixed wing through the quick insertion mechanism in advance; S2: Use a driving motor to drive the horizontal plate, the toggle rod and the toggle plate to rotate. The rotating toggle rod is inserted into the vertical hole of the indexing plate. The continuously rotating toggle rod can make the indexing plate rotate 90 degrees each time, thereby ensuring the rotation of the shaft; S3: Every time the indexing plate rotates 90 degrees, the drive motor and fan blades on the outside will rotate 90 degrees. When the drive motor and fan blades are vertical, the drone can take off and land vertically. S4: When the UAV is lifted up, the drive motor and the fan blades are controlled to rotate to a horizontal level, and the drive motor drives the fan blades to rotate to provide thrust for the UAV.

[0015] (III) Beneficial effects Compared with the prior art, the present invention provides a fixed-wing structure suitable for vertical take-off and landing and a control method thereof, which has the following beneficial effects: 1. The fixed-wing structure suitable for vertical take-off and landing and the control method thereof, drive the horizontal plate, the toggle rod and the toggle plate to rotate through the driving motor, the rotating toggle rod will be inserted into the vertical hole of the corresponding indexing plate, the indexing plate will rotate ninety degrees, and the toggle plate will also rotate into the notch of the indexing plate, thus increasing the contact with the indexing plate, providing power for the rotation of the indexing plate, the rotating indexing plate drives the rotating shaft to rotate, the rotating shaft drives the driving motor and the fan blades from a horizontal state to a vertical state, thereby achieving the purpose of rotating and turning the vertical wing.

[0016] 2. The fixed-wing structure suitable for vertical take-off and landing and the control method thereof, by squeezing the pressing head, compressing the spring C, and displacing the sliding rod, the two slides move closer to each other, and then the two clamping heads will shrink, and then the plug column will be inserted into the inside of the slot, and then the squeezing of the pressing head is released, the spring B pushes the slide to expand outward, the spring C pushes the pressing head to expand outward, and then the clamping head will be inserted into the inside of the slot, thereby achieving the purpose of disassembling and installing the drive motor and the fixed wing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of the UAV of the present invention; Figure 2 This is a schematic diagram of the fixed wing and the drive motor structure of the present invention; Figure 3 This is a schematic diagram of the fixed-wing structure of the present invention; Figure 4 This is a schematic diagram of the cross-sectional structure of the fixed wing of the present invention; Figure 5 It is a structural schematic diagram of the rotating shaft, indexing mechanism, locking structure and quick insertion mechanism of the present invention; Figure 6It is a structural schematic diagram of the rotating shaft, indexing mechanism, locking structure and quick insertion mechanism of the present invention; Figure 7 It is a structural schematic diagram of the indexing mechanism of the present invention; Figure 8 It is a structural schematic diagram of the locking structure of the present invention; Fig. 9 It is a structural schematic diagram of the quick-insertion mechanism of the present invention; Fig.10 It is a schematic diagram of the cross-section structure of the quick-insertion mechanism of the present invention; Fig.11 It is a schematic diagram of the cross-section structure of the quick-insertion mechanism of the present invention; Fig.12 It is a schematic diagram of the structure of the quick-insertion mechanism and the rotating shaft of the present invention being disassembled.

[0018] In the figure: 100, UAV; 200, fixed wing; 300, drive motor; 400, fan blade; 500, mounting slot; 600, cover; 700, rotating shaft; 800, indexing mechanism; 900, locking structure; 1000, quick insertion mechanism; 801, indexing plate; 802, vertical hole; 803, notch; 804, support; 805, drive motor; 806, horizontal plate; 807, toggle rod; 808, toggle plate; 901, locking ring; 902, limiting ring; 903, locking block; 904, groove; 905, spring A; 906, T-type lock head; 907, fixing ring; 908, locking groove; 1001, side panel; 1002, plug column; 1003, cavity; 1004, slide plate; 1005, clamping head; 1006, protruding column; 1007, spring B; 1008, sliding bar; 1009, pressing head; 1010, spring C; 1011, slot; 1012, card slot; 1013, guide slot. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figure 1-6A fixed-wing structure suitable for vertical take-off and landing includes a drone 100, fixed wings 200 are fixedly installed on both sides of the drone 100, a drive motor 300 is rotatably installed on one end of the fixed wing 200 away from the drone 100, and a fan blade 400 is detachably installed on the output end of the drive motor 300. The drive motor 300 can drive the fan blade 400 to rotate to provide lift for the drone 100.

[0021] See also Figure 1-6 An installation groove 500 is provided at one end of the fixed wing 200 away from the drone 100, and a cover 600 is detachably installed at the open end of the installation groove 500. One end of a rotating shaft 700 is rotatably connected to the inner bottom wall of the installation groove 500, and a dividing mechanism 800 is mounted on the outer side of the rotating shaft 700 for controlling the direction of the driving motor 300; a locking structure 900 is mounted on the outer side of the rotating shaft 700 and in front of the dividing mechanism 800 for locking the rotating shaft 700 to prevent it from loosening; a quick-insertion mechanism 1000 is detachably installed at the other end of the rotating shaft 700 for quick disassembly and installation of the driving motor 300 and the fixed wing 200.

[0022] See also Figure 5-7 The indexing mechanism 800 includes a indexing plate 801, which is fixedly mounted on the outer side of the rotating shaft 700. The surface of the indexing plate 801 is provided with four vertical holes 802 with an angle of ninety degrees. A notch 803 is provided on the surface of the indexing plate 801 and located between two adjacent vertical holes 802. A support 804 is fixedly mounted on the inner wall of the mounting groove 500. A driving motor 805 is fixedly mounted inside the support 804. A horizontal plate 806 is fixedly mounted on the output end of the driving motor 805. The horizontal plane of the horizontal plate 806 is located behind the horizontal plane of the indexing plate 801.

[0023] See also Figure 5-7 , toggle rods 807 corresponding to the vertical holes 802 are fixedly installed at both ends of the surface of the horizontal plate 806. When the toggle rods 807 rotate, they are inserted into the interior of the vertical holes 802 to realize the rotation of the dividing plate 801 by ninety degrees each time; a toggle plate 808 corresponding to the notch 803 is fixedly installed on the surface of the horizontal plate 806. The toggle rods 807 and the toggle plate 808 are arranged in a cross shape. When the toggle plate 808 rotates, they contact the inner wall of the toggle plate 808. The rotating toggle plate 808 can increase the driving force of the dividing plate 801 and prevent the toggle rod 807 from separating from the vertical hole 802.

[0024] See also Figure 8The locking structure 900 includes a locking ring 901, which is fixedly mounted on the outer side of the rotating shaft 700. The front and rear sides of the locking ring 901 are fixedly installed with limit rings 902. A locking block 903 is installed on the inner bottom wall of the mounting groove 500. The locking block 903 is located below the locking ring 901. A groove 904 is fixedly installed on the surface of the locking block 903. A spring A905 is fixedly installed on the inner bottom wall of the groove 904. A T-shaped lock head 906 is fixedly installed on the top of the groove 904. The T-shaped lock head 906 is located between the two limit rings 902. A fixing ring 907 is fixedly installed on the open end of the groove 904. A locking groove 908 arranged in an annular manner is opened on the outer surface of the locking ring 901. The T-shaped lock head 906 extends into the interior of the locking groove 908. The T-shaped lock head 906 is mutually engaged with the locking ring 901 through the locking groove 908, so as to lock the rotating shaft 700 after rotation.

[0025] See also Figure 9-12 The quick-insertion mechanism 1000 includes a side plate 1001, which is fixedly connected to the side of the driving motor 300. A plug post 1002 is fixedly installed on the side of the side plate 1001. A cavity 1003 is opened inside the plug post 1002 and the side plate 1001. Two slides 1004 are arranged inside the cavity 1003. The opposite back surfaces of the two slides 1004 are fixedly installed with a clamping head 1005. The opposite surfaces of the two slides 1004 are fixedly installed with a protruding column 1006. A spring B1007 is clamped between the two protruding columns 1006. A sliding rod 1008 is fixedly installed on one end of the slide 1004 away from the clamping head 1005, and a pressing head 1009 is fixedly installed on the other end of the sliding rod 1008. A spring C1010 is sleeved on the outer side of the sliding rod 1008.

[0026] See also Figure 9-12 The rear end of the rotating shaft 700 is provided with a slot 1011 corresponding to the plug post 1002. The cross-sections of the plug post 1002 and the slot 1011 are square. The inner wall of the slot 1011 is provided with a slot 1012 corresponding to the clamp head 1005. The cross-sections of the clamp head 1005 and the slot 1012 are trapezoidal. The plug post 1002 can be detachably installed with the plug post 1002 through the clamp head 1005 and the slot 1012. The inner wall of the slot 1011 is provided with a guide slot 1013, and the guide slot 1013 and the slot 1012 are mutually connected.

[0027] See also Figure 1-12 , a fixed-wing control method suitable for vertical take-off and landing, the steps are as follows: S1: insert the drive motor 300 and the fan blade 400 into the tail end of the fixed wing 200 through the quick insertion mechanism 1000 in advance; S2: The driving motor 805 is used to drive the horizontal plate 806, the toggle rod 807 and the toggle plate 808 to rotate. The rotating toggle rod 807 is inserted into the vertical hole 802 of the indexing plate 801. The continuously rotating toggle rod 807 can make the indexing plate 801 rotate 90 degrees each time, thereby ensuring the rotation of the shaft 700. S3: Each time the indexing plate 801 rotates 90 degrees, the drive motor 300 and the fan blade 400 located outside will rotate 90 degrees. When the drive motor 300 and the fan blade 400 are vertical, the drone 100 can take off and land vertically. S4: When the drone 100 is lifted up, the driving motor 300 and the fan blades 400 are controlled to rotate to a horizontal position, and the driving motor 300 drives the fan blades 400 to rotate to provide thrust for the drone 100 .

[0028] Working principle: When in use, the horizontal plate 806, the toggle rod 807 and the toggle disk 808 are rotated by driving the motor 805, and the rotating toggle rod 807 will be inserted into the vertical hole 802 of the corresponding dividing plate 801, and the dividing plate 801 will rotate ninety degrees. At the same time, the toggle disk 808 will also be rotated into the notch 803 of the dividing plate 801, thereby increasing the contact with the dividing plate 801 and providing power for the rotation of the dividing plate 801. The rotating dividing plate 801 drives the rotating shaft 700 to rotate, and the rotating shaft 700 drives the driving motor 300 and the fan blades 400 from a horizontal state to a vertical state, thereby achieving the purpose of rotating and turning the vertical wing.

[0029] When the rotating shaft 700 rotates 90 degrees, its spring A905 will push the T-lock 906 upward, and the T-lock 906 will be inserted into the corresponding lock groove 908, so as to lock the lock ring 901 and the rotating shaft 700. Similarly, the driving force of the driving motor 805 is greater than the pushing force formed by the spring A905, and the rotating shaft 700 will rotate again, and a damping force will be formed between the T-lock 906 and the lock ring 901, which will not affect the rotation of the rotating shaft 700.

[0030] By squeezing the pressing head 1009, the spring C1010 is compressed, the slide bar 1008 is displaced, the two slides 1004 move closer to each other, and then the two clamping heads 1005 will shrink, and then the plug 1002 will be inserted into the inside of the slot 1011, and then the squeezing of the pressing head 1009 is released, the spring B1007 pushes the slide 1004 to expand outward, the spring C1010 pushes the pressing head 1009 to expand outward, and then the clamping head 1005 will be inserted into the inside of the slot 1012, thereby achieving the purpose of disassembling and installing the drive motor 300 and the fixed wing 200.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fixed-wing structure suitable for vertical take-off and landing, comprising a drone (100), wherein fixed wings (200) are fixedly mounted on both sides of the drone (100), Features: A drive motor (300) is rotatably mounted on one end of the fixed wing (200) away from the drone (100), a fan blade (400) is detachably mounted on the output end of the drive motor (300), a mounting groove (500) is provided on one end of the fixed wing (200) away from the drone (100), a cover (600) is detachably mounted on the open end of the mounting groove (500), one end of a rotating shaft (700) is rotatably connected to the inner bottom wall of the mounting groove (500), a dividing mechanism (800) is sleeved on the outer side of the rotating shaft (700), a locking structure (900) is sleeved on the outer side of the rotating shaft (700) and located in front of the dividing mechanism (800), and a quick-insertion mechanism (1000) is detachably mounted on the other end of the rotating shaft (700).

2. A fixed-wing structure suitable for vertical take-off and landing according to claim 1, Features: The indexing mechanism (800) comprises a indexing plate (801), the surface of the indexing plate (801) is provided with four vertical holes (802) with an angle of ninety degrees, the surface of the indexing plate (801) is provided with a notch (803) located between two adjacent vertical holes (802), a support (804) is fixedly mounted on the inner wall of the mounting groove (500), a driving motor (805) is fixedly mounted inside the support (804), a horizontal plate (806) is fixedly mounted on the output end of the driving motor (805), toggle rods (807) corresponding to the vertical holes (802) are fixedly mounted at both ends of the surface of the horizontal plate (806), and a toggle plate (808) corresponding to the notch (803) is fixedly mounted on the surface of the horizontal plate (806).

3. A fixed-wing structure suitable for vertical take-off and landing according to claim 2, Features: The indexing plate (801) is fixedly mounted on the outer side of the rotating shaft (700); the toggle rod (807) is inserted into the interior of the vertical hole (802) when rotating; the toggle plate (808) contacts the inner wall of the toggle plate (808) when rotating; the toggle rod (807) and the toggle plate (808) are arranged in a cross shape; and the horizontal plane of the horizontal plate (806) is located behind the horizontal plane of the indexing plate (801).

4. The fixed-wing structure suitable for vertical take-off and landing according to claim 1, Features: The locking structure (900) comprises a locking ring (901), the front and rear surfaces of the locking ring (901) are fixedly mounted with limit rings (902), the inner bottom wall of the mounting groove (500) is mounted with a locking block (903), the surface of the locking block (903) is fixedly mounted with a groove (904), the inner bottom wall of the groove (904) is fixedly mounted with a spring A (905), the top of the groove (904) is fixedly mounted with a T-shaped lock head (906), the open end of the groove (904) is fixedly mounted with a fixing ring (907), and the outer surface of the locking ring (901) is provided with locking grooves (908) arranged in a ring shape.

5. A fixed-wing structure suitable for vertical take-off and landing according to claim 4, Features: The locking ring (901) is fixedly mounted on the outer side of the rotating shaft (700), the locking block (903) is located below the locking ring (901), the T-shaped locking head (906) extends into the interior of the locking groove (908), the T-shaped locking head (906) is located between the two limiting rings (902), and the T-shaped locking head (906) is mutually engaged with the locking ring (901) via the locking groove (908).

6. A fixed-wing structure suitable for vertical take-off and landing according to claim 1, Features: The quick-insertion mechanism (1000) comprises a side plate (1001), a plug post (1002) is fixedly mounted on the side of the side plate (1001), a cavity (1003) is provided inside the plug post (1002) and the side plate (1001), two slide plates (1004) are arranged inside the cavity (1003), a clamping head (1005) is fixedly mounted on the opposite back surfaces of the two slide plates (1004), a convex column (1006) is fixedly mounted on the opposite surfaces of the two slide plates (1004), a spring B (1007) is clamped between the two convex columns (1006), a sliding rod (1008) is fixedly mounted on one end of the slide plate (1004) away from the clamping head (1005), a pressing head (1009) is fixedly mounted on the other end of the sliding rod (1008), and a spring C (1010) is sleeved on the outer side of the sliding rod (1008).

7. A fixed-wing structure suitable for vertical take-off and landing according to claim 6, Features: The rear end of the rotating shaft (700) is provided with a slot (1011) corresponding to the plug post (1002), the inner wall of the slot (1011) is provided with a clamping groove (1012) corresponding to the clamping head (1005), the inner wall of the slot (1011) is provided with a guide groove (1013), and the guide groove (1013) and the clamping groove (1012) are interconnected.

8. A fixed-wing structure suitable for vertical take-off and landing according to claim 7, Features: The side plate (1001) is fixedly connected to the side of the drive motor (300); the cross-sections of the plug post (1002) and the slot (1011) are square; the cross-sections of the clamp head (1005) and the slot (1012) are trapezoidal; the plug post (1002) is detachably mounted on the plug post (1002) via the clamp head (1005) and the slot (1012).

9. A fixed-wing control method suitable for vertical take-off and landing, It is characterized in that Here are the steps: S1: inserting the drive motor (300) and the fan blade (400) into the rear end of the fixed wing (200) in advance through a quick insertion mechanism (1000); S2: Using a driving motor (805) to drive the horizontal plate (806), the toggle rod (807) and the toggle plate (808) to rotate, the rotating toggle rod (807) is inserted into the vertical hole (802) of the indexing plate (801), and the continuously rotating toggle rod (807) can make the indexing plate (801) rotate 90 degrees each time, thereby ensuring that the rotating shaft (700) rotates; S3: Each time the indexing plate (801) rotates 90 degrees, the drive motor (300) and the fan blade (400) located outside will rotate 90 degrees. When the drive motor (300) and the fan blade (400) are vertical, the drone (100) will perform vertical take-off and landing. S4: When the drone (100) is lifted up, the driving motor (300) and the fan blades (400) are controlled to rotate to a horizontal position, and the driving motor (300) drives the fan blades (400) to rotate to provide thrust for the drone (100).

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