Auxiliary device for taxiing and takeoff of fixed-wing unmanned aerial vehicle

Abstract

The invention relates to the technical field of taxiing takeoff of unmanned aerial vehicles, and discloses a fixed-wing unmanned aerial vehicle taxiing takeoff auxiliary device which comprises an unmanned aerial vehicle body and a sliding plate, supporting legs are fixedly installed on the periphery of the bottom of the unmanned aerial vehicle body, sliding mechanisms are arranged on the opposite side walls of the four supporting legs, and lifting devices are arranged above the two sliding mechanisms. The lifting mechanism and the sliding mechanism are matched with each other, so that rolling wheels arranged on the unmanned aerial vehicle can enter a first sliding groove and a second sliding groove which are formed in a sliding plate and correspond to each other, and at the moment, an L-shaped plate and a connecting rod are fixed through a fixing bolt, so that when the small unmanned aerial vehicle is moved, the movement of the small unmanned aerial vehicle is facilitated; and at the moment, the unmanned aerial vehicle can slide until a belt pulley is broken, and a transmission mechanism can rotate by starting a variable-speed motor, so that a force opposite to the movement of the unmanned aerial vehicle body can be provided for the unmanned aerial vehicle, the unmanned aerial vehicle is accelerated to take off, and the unmanned aerial vehicle is suitable for being widely popularized and used.

Description

Technical Field

[0001] The invention relates to the technical field of taxiing and taking-off of unmanned aerial vehicles, and in particular to a taxiing and taking-off auxiliary device for fixed-wing unmanned aerial vehicles. Background Art

[0002] Currently, most drones use runways, catapults or throws during taxiing, which can provide a power source for the drone to take off.

[0003] However, when the existing runway-type UAV takes off on a slide, it generally accelerates the UAV to take off by sliding onto the slide without resistance. However, when dust falls onto the slide, it is easy for the UAV to receive resistance during takeoff, thereby failing to effectively assist the UAV to take off. Summary of the invention

[0004] The purpose of the present invention is to provide a fixed-wing UAV taxiing takeoff auxiliary device, which solves the problem proposed in the background technology that when the existing runway-type UAV is running and taking off on a sliding surface, it generally slides onto the surface without resistance, thereby accelerating the UAV to take off. However, when dust falls on the surface, it is easy for the UAV to receive resistance when taking off, thereby failing to effectively assist the UAV to take off.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a fixed-wing UAV taxiing takeoff auxiliary device, comprising a UAV body and a skateboard, wherein legs are fixedly installed around the bottom of the UAV body, and a sliding mechanism is provided on one side wall opposite to the four legs, and a lifting device is provided above two sliding mechanisms, UAV wings are fixedly installed on both side walls opposite to the UAV body, and a propeller is provided on the right side wall of the UAV body;

[0006] A second slide groove is provided in the middle above the slide plate, and both side walls of the second slide groove are provided with first slide grooves on the slide plate, and the two first slide grooves are symmetrical to each other. A transmission mechanism is provided on one side of the slide plate, and the transmission mechanism is located on the side away from the first slide groove. A connecting rod is fixedly installed above the transmission mechanism, and a fixing mechanism is provided on the connecting rod. Bases are fixedly installed around the bottom of the slide plate.

[0007] As a preferred embodiment of the present invention, the sliding mechanism includes four third sliding grooves, and the four third sliding grooves are respectively opened on the side opposite to the four legs. The inner cavities on the side opposite to each other in the four third sliding grooves are respectively slidably connected with sliding rods, and the side walls opposite to the two sliding rods are fixedly installed with mounting plates, and the middle of the bottom of the sliding rod is fixedly installed with a fixing rod.

[0008] As a preferred embodiment of the present invention, the two sliding rods include a front sliding rod and a sliding rod, a fixed rod is fixedly installed in the middle of the bottom of the front sliding rod, and a concave plate is fixedly installed on the other end of the fixed rod, and third rotating rods are movably installed on the two side walls opposite to each other in the inner cavity of the concave plate, and a roller is arranged in the middle of the third rotating rod, and fixed rods are fixedly installed on both sides of the bottom of the rear sliding rod, and the two fixed rods are symmetrical to each other, and concave plates are fixedly installed on the other ends of the two fixed rods, and third rotating rods are movably installed on the two side walls opposite to each other in the inner cavity of the concave plate, and a roller is arranged in the middle of the third rotating rod.

[0009] As a preferred embodiment of the present invention, the lifting device includes a threaded screw, one end of which is movably connected to a motor arranged in the inner cavity of the drone body, and a threaded sleeve is meshedly installed on the threaded screw, and four circumferentially distributed connecting rods are fixed to a side wall of the threaded sleeve close to the mounting plate, and the connecting rods are fixedly connected to the mounting plate.

[0010] As a preferred embodiment of the present invention, the transmission mechanism includes a variable speed motor, the variable speed motor is located at the bottom of the skateboard, and a second rotating rod is movably installed on a side wall of the variable speed motor close to the skateboard, the second rotating rod passes through the skateboard, and a driving gear is fixedly installed on the other end, and the driving gear is meshingly connected to the pulley.

[0011] As a preferred embodiment of the present invention, the pulley is arranged above the skateboard, and turntables are provided at both ends, a first rotating rod is fixedly installed at the bottom of the two turntables, and the other end of the first rotating rod is movably connected to the skateboard, and a latch tooth is provided on the side of the pulley close to the drone body.

[0012] As a preferred embodiment of the present invention, the fixing mechanism includes an L-shaped plate and a connecting rod, the L-shaped plate is fixedly connected to the middle of the bottom of the mounting plate, and the other end is located on a side wall close to the pulley, the connecting rod and the L-shaped plate are provided with circular through holes on the same horizontal plane, and fixing bolts are inserted into the inner cavity of the circular through holes.

[0013] As a preferred embodiment of the present invention, the three triangular rollers are respectively arranged in parallel with two first sliding grooves and a second sliding groove provided on the slide plate.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] The present invention provides a fixed-wing UAV taxiing takeoff auxiliary device. The mutual cooperation between the lifting mechanism and the sliding mechanism can enable the rollers provided on the UAV to enter the first sliding groove and the second sliding groove corresponding to each other provided on the sliding plate. At this time, the L-shaped plate and the connecting rod are fixed by fixing bolts, so that when the small UAV is moved, the UAV can slide until the pulley is broken. At this time, the transmission mechanism can be rotated by starting the variable speed motor, so that it can provide the UAV with a force in the opposite direction to the movement of the UAV body, thereby accelerating the take-off of the UAV. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Other features, objects and advantages of the present invention will become more apparent from the detailed description of non-limiting embodiments made with reference to the following drawings:

[0017] Figure 1 A side view (a) of a fixed-wing UAV taxiing takeoff auxiliary device of the present invention;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of a fixed-wing UAV taxiing takeoff auxiliary device of the present invention;

[0019] Figure 3 A side view (second) schematic diagram of a fixed-wing UAV taxiing takeoff auxiliary device of the present invention;

[0020] Figure 4 This is a schematic diagram of the partial structure of location A of a fixed-wing UAV taxiing takeoff auxiliary device of the present invention;

[0021] Figure 5 This is a partial structural schematic diagram of position B of a fixed-wing UAV taxiing takeoff auxiliary device of the present invention;

[0022] Figure 6 The present invention is a schematic diagram of the partial structure of the C position of a fixed-wing UAV taxiing takeoff auxiliary device.

[0023] In the figure: 1. UAV body; 2. UAV wing; 3. skateboard; 4. first slide groove; 5. second slide groove; 6. turntable; 7. pulley; 8. driving gear; 9. latch; 10. connecting rod; 11. fixing bolt; 12. first rotating rod; 13. supporting leg; 14. third slide groove; 15. sliding rod; 16. L-shaped plate; 17. circular through hole; 18. base; 19. threaded sleeve; 20. threaded screw; 21. connecting rod; 22. variable speed motor; 23. concave plate; 24. roller; 25. fixing rod; 26. second rotating rod; 27. propeller; 28. mounting plate. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0025] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] See also Figure 1-6 The present invention provides a technical solution: a fixed-wing UAV taxiing takeoff auxiliary device, comprising a UAV body 1 and a slide plate 3, wherein legs 13 are fixedly installed around the bottom of the UAV body 1, and a sliding mechanism is provided on one side wall opposite to the four legs 13, and a lifting device is provided above the two sliding mechanisms, UAV wings 2 are fixedly installed on the two opposite side walls of the UAV body 1, and a propeller 27 is provided on the right side wall of the UAV body 1, so that the UAV can take off, a second slide groove 5 is provided in the middle above the slide plate 3, and first slide grooves 4 are provided on both side walls of the second slide groove 5 and the slide plate 3, and the two first slide grooves 4 are symmetrical to each other, a transmission mechanism is provided on one side of the slide plate 3, and the transmission mechanism is located on the side away from the first slide groove 4, a connecting rod 10 is fixedly installed above the transmission mechanism, and a fixing mechanism is provided on the connecting rod 10, and a base 18 is fixedly installed around the bottom of the slide plate 3.

[0027] See also Figure 1-5In a specific embodiment, the sliding mechanism includes four third slide grooves 14, which are respectively opened on the opposite sides of the four legs 13, and the inner cavities of the opposite sides of the four third slide grooves 14 are respectively slidably connected with slide rods 15, and the opposite side walls of the two slide rods 15 are fixedly installed with mounting plates 28, and the middle of the bottom of the slide rods 15 is fixedly installed with fixing rods 25. In this setting, when the connecting rod 21 fixedly installed on the threaded sleeve 19 can move, the mounting plate 28 can move under the cooperation of the slide rod 15 and the third slide grooves 14. The two slide rods 15 include a front slide rod and a slide rod. A fixed rod 25 is fixedly installed in the middle of the bottom of the front slide rod, and a concave plate 23 is fixedly installed at the other end of the fixed rod 25. The opposite side walls of the inner cavity of the concave plate 23 are respectively movably installed with third rotating rods, and a roller 24 is arranged in the middle of the third rotating rod. Fixed rods 25 are fixedly installed on both sides of the bottom of the rear slide rod, and the two fixed rods 25 are symmetrical to each other. The concave plate 23 is fixedly installed at the other end of the two fixed rods 25, and the opposite side walls of the inner cavity of the concave plate 23 are respectively movably installed with third rotating rods, and a roller 24 is arranged in the middle of the third rotating rod. In this setting, the fixed rods 25 installed on the front slide rod and the rear slide rod will be able to drive the concave plate 23 to move up and down, so that the roller 24 can move to the first slide groove 4 and the second slide groove 5 opened on the lower slide plate 3, so that it can slide.

[0028] See also Figure 1-6 In this embodiment, the lifting device includes a threaded screw 20, one end of which is movably connected to the motor set in the inner cavity of the drone body 1, and a threaded sleeve 19 is meshed and installed on the threaded screw 20, and four connecting rods 21 distributed in a circumference are fixed on the side wall of the threaded sleeve 19 close to the mounting plate 28, and the connecting rod 21 is fixedly connected to the mounting plate 28. In this setting, by adjusting the lifting mechanism, the motor in the drone body 1 can drive the threaded screw 20 to rotate, so that the threaded sleeve 19 meshed with the threaded screw 20 can move, so that the connecting rod 21 fixedly installed on the threaded sleeve 19 can move. The transmission mechanism includes a variable speed motor 22, which is located at the bottom of the slide 3, and a second rotating rod 26 is movably installed on the side wall of the variable speed motor 22 close to the slide 3, and the second rotating rod 26 runs through the slide 3, and the other end of the second rotating rod 26 is fixedly installed with a driving gear 8, and the driving gear 8 is meshed and connected with the pulley 7. In this configuration, the variable speed motor 22 is started to drive the second rotating rod 26 to rotate, thereby driving the driving gear 8 to rotate, and thus driving the pulley 7 meshing with it to rotate.

[0029] See also Figure 1-6In this embodiment, the pulley 7 is arranged above the slide plate 3, and a turntable 6 is arranged at both ends. A first rotating rod 12 is fixedly installed at the bottom of the two turntables 6, and the other end of the first rotating rod 12 is movably connected to the slide plate 3. A latch 9 is arranged on the side of the pulley 7 close to the drone body 1. In this setting, when the pulley 7 rotates, it can drive the latch 9 to move, thereby driving the connecting rod 10 above the latch 9 to move, so that the drone body 1 moves when starting, and has a thrust. The fixing mechanism includes an L-shaped plate 16 and a connecting rod 10. The L-shaped plate 16 is fixedly connected to the middle of the bottom of the mounting plate 28, and the other end is located on a side wall close to the pulley 7. The connecting rod 10 and the L-shaped plate 16 are both provided with circular through holes 17 on the same horizontal plane, and the inner cavity of the circular through hole 17 is inserted with a fixing bolt 11. In this setting, the L-shaped plate 16 fixedly mounted on the mounting plate 28 is moved to the connecting rod 10, so that the L-shaped plate 16 and the connecting rod 10 can be fixedly connected by the fixing bolts 11, and the drone body 1 is moved to one end of the pulley 7, so that when the transmission mechanism is the power for the drone body 1 to take off, the fixing bolts 11 will be disengaged from the L-shaped plate 16, so that the drone body 1 can take off. The three triangular rollers 24 are parallel to the two first slide grooves 4 and the second slide grooves 5 respectively opened on the slide plate 3. In this setting, it is ensured that the rollers 24 can move without generating resistance.

[0030] It should be noted that the present invention is a fixed-wing UAV taxiing takeoff auxiliary device, and each component is a universal standard component or a component known to technical personnel in this field. Its structure and principle can be known to technical personnel through technical manuals or through conventional experimental methods.

[0031] Working principle: By adjusting the lifting mechanism, the motor in the drone body 1 can drive the threaded screw 20 to rotate, so that the threaded sleeve 19 meshing with the threaded screw 20 can move, so that the connecting rod 21 fixedly installed on the threaded sleeve 19 can move, so that the mounting plate 28 can move under the cooperation of the sliding rod 15 and the third sliding groove 14. When the sliding rod 15 moves, the fixed rod 25 installed on the front sliding rod and the rear sliding rod will be able to drive the concave plate 23 to move up and down, so that the roller 24 can move to the first sliding groove 4 and the second sliding groove 5 opened on the lower slide 3. At this time, by moving the L-shaped plate 16 fixedly installed on the mounting plate 28 to the connecting groove 14, the roller 24 can move to the first sliding groove 4 and the second sliding groove 5 opened on the lower slide 3. Rod 10, so that the L-shaped plate 16 and the connecting rod 10 can be fixedly connected by the fixing bolt 11, and the drone body 1 is moved to one end of the pulley 7. At this time, by starting the variable speed motor 22, it can drive the second rotating rod 26 to rotate, thereby driving the driving gear 8 to rotate, so that it can drive the pulley 7 meshing with it to rotate, so that it can drive the latching tooth 9 to move, thereby driving the connecting rod 10 above the latching tooth 9 to move, so that the drone body 1 moves when starting, and has a thrust. When the drone body 1 has the power to take off, the fixing bolt 11 will be disengaged from the L-shaped plate 16, so that the drone body 1 can take off.

Claims

1. A fixed-wing UAV taxiing takeoff auxiliary device, comprising an UAV body (1) and a slide plate (3), characterized in that: The bottom of the drone body (1) is fixedly mounted with legs (13), and a sliding mechanism is provided on one side wall opposite to the four legs (13), and a lifting device is provided above two sliding mechanisms. Drone wings (2) are fixedly mounted on both side walls opposite to the drone body (1), and a propeller (27) is provided on the right side wall of the drone body (1); A second slide groove (5) is provided in the middle of the upper part of the slide plate (3), and both side walls of the second slide groove (5) are provided with first slide grooves (4) on the slide plate (3), and the two first slide grooves (4) are symmetrical to each other. A transmission mechanism is provided on one side of the slide plate (3), and the transmission mechanism is located on the side away from the first slide groove (4). A connecting rod (10) is fixedly installed above the transmission mechanism, and a fixing mechanism is provided on the connecting rod (10). Bases (18) are fixedly installed around the bottom of the slide plate (3).

2. The fixed-wing UAV taxiing takeoff auxiliary device according to claim 1, characterized in that: The sliding mechanism comprises four third sliding grooves (14), the four third sliding grooves (14) are respectively opened on the opposite sides of the four legs (13), the inner cavities of the opposite sides of the four third sliding grooves (14) are respectively slidably connected with sliding rods (15), the side walls opposite to each other of the two sliding rods (15) are fixedly installed with mounting plates (28), and the middle of the bottom of the sliding rod (15) is fixedly installed with a fixing rod (25).

3. The fixed-wing UAV taxiing takeoff auxiliary device according to claim 2, characterized in that: The two sliding rods (15) include a front sliding rod and a sliding rod, a fixed rod (25) is fixedly installed in the middle of the bottom of the front sliding rod, and a concave plate (23) is fixedly installed on the other end of the fixed rod (25), and third rotating rods are movably installed on the two side walls opposite to each other in the inner cavity of the concave plate (23), and a roller (24) is arranged in the middle of the third rotating rod, and fixed rods (25) are fixedly installed on both sides of the bottom of the rear sliding rod, and the two fixed rods (25) are symmetrical to each other, and the concave plate (23) is fixedly installed on the other end of the two fixed rods (25), and the third rotating rods are movably installed on the two side walls opposite to each other in the inner cavity of the concave plate (23), and a roller (24) is arranged in the middle of the third rotating rod.

4. The fixed-wing UAV taxiing takeoff auxiliary device according to claim 1, characterized in that: The lifting device comprises a threaded screw (20), one end of which is movably connected to a motor arranged in the inner cavity of the drone body (1), and a threaded sleeve (19) is meshingly installed on the threaded screw (20), and four connecting rods (21) distributed in a circumference are fixed to a side wall of the threaded sleeve (19) close to the mounting plate (28), and the connecting rods (21) are fixedly connected to the mounting plate (28).

5. The fixed-wing UAV taxiing takeoff auxiliary device according to claim 1, characterized in that: The transmission mechanism comprises a variable speed motor (22), the variable speed motor (22) is located at the bottom of the slide plate (3), and a second rotating rod (26) is movably mounted on a side wall of the variable speed motor (22) close to the slide plate (3), the second rotating rod (26) penetrates the slide plate (3), and a driving gear (8) is fixedly mounted on the other end, and the driving gear (8) is meshedly connected with the pulley (7).

6. The fixed-wing UAV taxiing takeoff auxiliary device according to claim 5, characterized in that: The pulley (7) is arranged above the slide plate (3), and a turntable (6) is arranged at both ends. A first rotating rod (12) is fixedly installed at the bottom of the two turntables (6), and the other end of the first rotating rod (12) is movably connected to the slide plate (3). A latching tooth (9) is arranged on the side of the pulley (7) close to the drone body (1).

7. The fixed-wing UAV taxiing takeoff auxiliary device according to claim 1, characterized in that: The fixing mechanism comprises an L-shaped plate (16) and a connecting rod (10); the L-shaped plate (16) is fixedly connected to the middle of the bottom of the mounting plate (28), and the other end is located on a side wall close to the pulley (7); the connecting rod (10) and the L-shaped plate (16) are both provided with circular through holes (17) on the same horizontal plane, and a fixing bolt (11) is inserted into the inner cavity of the circular through hole (17).

8. The fixed-wing UAV taxiing takeoff auxiliary device according to claim 3, characterized in that: The three triangular rollers (24) are respectively arranged parallel to the two first slide grooves (4) and the second slide groove (5) opened on the slide plate (3).

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