Wing tilting mechanism and fixed-wing unmanned aerial vehicle

Abstract

The utility model relates to a wing tilting mechanism which comprises a rack, a rotating piece, a worm, a worm gear and a motor, the rotating piece is rotatably arranged on the rack, the end part of the rotating piece is connected with a wing, the worm gear is sleeved on the rotating piece, the worm is rotatably arranged on the rack and is matched with the worm gear for transmission, and the motor is arranged on the rack and drives the worm to rotate. The utility model further relates to the fixed-wing unmanned aerial vehicle, the fixed-wing unmanned aerial vehicle comprises a fuselage, wings and the wing tilting mechanisms, propellers are arranged on the wings, two pairs of wing tilting mechanisms are arranged on the front portion and the rear portion of the fuselage, and the end of a rotating piece on each wing tilting mechanism is connected with one wing. According to the utility model, the flatness of the fuselage is controlled by controlling the rotation of the wings, so that the fuselage is ensured to be in a horizontal state in a flying process or a take-off and landing process.

Description

TECHNICAL FIELD

[0001] The utility model belongs to unmanned plane technical field, especially relate to a wing tilting mechanism and fixed wing unmanned plane. BACKGROUND

[0002] The market appears a compound wing unmanned plane for the disadvantages of runway or ejection device of fixed wing unmanned plane, has two sets of power systems, one set of rotor unmanned plane power set is responsible for unmanned plane take-off and landing, one set of fixed wing thrust paddle is responsible for providing power under fixed wing mode. The disadvantage of this unmanned plane is equipped with two sets of power sets, the whole machine weight will increase, and the rotor power set will play the role of wind resistance under fixed wing mode, increase energy consumption. For this, continue to increase the depth of integration of two modes, the latest scheme on the market is to make the power device into a rotating mode, that is, the rotor power set can be tilted to the power set under the fixed wing mode. This kind of deep integration determines that the energy source of the unmanned plane is electric energy, that is, the unmanned plane is a pure electric version or an oil mixed version, because the rotor mode is a multi-motor form, if it is an oil power source, the mechanical cost and control cost are too high. The latest compound wing unmanned plane is a fixed wing body, each wing has one or more sets of power devices, which provides power upward during take-off and landing, and is in multi-rotor mode. When the forward speed reaches a certain speed, the power set is tilted forward to provide thrust, and is converted into fixed wing mode. The boundary between the fixed wing mode and the rotor mode of this compound wing unmanned plane is relatively clear, and when the two modes are converted, the unmanned plane state will have a small attitude loss control state. If the unmanned plane is used for transportation operation, the body will be inclined in fixed wing mode or rotor mode. SUMMARY

[0003] Therefore, the utility model aims at the shortage of prior art, provides a wing tilting mechanism and fixed wing unmanned plane, which controls the flatness of the body by controlling the rotation of the wing, and ensures that the body is in a horizontal state during flight or take-off and landing.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] A wing tilting mechanism, comprising a rack, a rotating part, a worm, a worm wheel and a motor, the rotating part is rotatably arranged on the rack, the end of the rotating part is connected with a wing, the worm wheel is sleeved on the rotating part, the worm is rotatably arranged on the rack and is in transmission with the worm wheel, and the motor is arranged on the rack and drives the worm to rotate.

[0006] In order to better realize the utility model, the worm is provided with a gear at one end in the above structure, and the motor drives the worm to rotate through the gear.

[0007] For better implementation of the utility model, further optimization is made in the above structure, and an angle sensor is arranged at the other end of the worm.

[0008] For better implementation of the utility model, further optimization is made in the above structure, and a bearing seat is further arranged on the rack, one end of the bearing seat is rotationally connected with the rack, the worm is rotationally arranged at the middle part of the bearing seat, a magnet one is arranged at the other end of the bearing seat, a magnet two is arranged on the rack and magnetically matched with the magnet one, and a gap is left between the magnet one and the magnet two.

[0009] For better implementation of the utility model, further optimization is made in the above structure, and the motor is arranged on the bearing seat.

[0010] For better implementation of the utility model, further optimization is made in the above structure, and a connecting piece is arranged at the end of the rotating piece, and the wing is inserted and matched with the connecting piece.

[0011] A fixed-wing unmanned aerial vehicle comprises a fuselage, a wing and the wing tilting mechanism, a propeller is arranged on the wing, two pairs of wing tilting mechanisms are arranged on the front and back of the fuselage, and the end of the rotating piece on each wing tilting mechanism is connected with a wing.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The wing tilting mechanism and the fixed-wing unmanned aerial vehicle have the following beneficial effects. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without creative labor for those skilled in the art.

[0015] Figure 1 is one of the structure schematic diagrams of the wing tilting mechanism in the utility model;

[0016] Figure 2 is the second structure schematic diagram of the wing tilting mechanism in the utility model;

[0017] Figure 3 isFigure 2 Local enlarged structure schematic view of middle A;

[0018] Figure 4 Internal structure schematic view of wing tilting mechanism in the utility model;

[0019] Figure 5 Structure schematic view of fixed-wing unmanned aerial vehicle in the utility model.

[0020] In the figure,

[0021] 1-frame, 2-rotating part, 201-connecting piece, 3-worm, 4-worm wheel, 5-motor, 6-gear, 7-angle sensor, 8-bearing seat, 9-magnet one, 10-magnet two, 11-fuselage, 12-wing, 13-propeller. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the utility model more clear, the technical scheme of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope protected by the utility model.

[0023] In the description of the utility model, it needs to be explained that, unless otherwise stated, the meaning of "multiple" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and is not indicative or implied that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicative or implied relative importance.

[0024] In the description of the utility model, it also needs to be explained that, unless otherwise stated and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] Please refer to Figures 1-4The wing tilting mechanism provided by the utility model, comprising a frame 1, a rotating part 2, a worm 3, a worm wheel 4 and a motor 5, the rotating part 2 is rotatably arranged on the frame 1, the end of the rotating part 2 is connected with a wing, the worm wheel 4 is sleeved on the rotating part 2, the worm 3 is rotatably arranged on the frame 1 and is in transmission cooperation with the worm wheel 4, and the motor 5 is arranged on the frame 1 and drives the worm 3 to rotate, and the motor 5 drives the worm wheel and worm mechanism to reduce speed, and the rotating part 2 and the wing are driven to rotate.

[0026] In the embodiment, one end of the worm 3 is provided with a gear 6, the motor 5 drives the worm 3 to rotate through the gear 6. The other end of the worm 3 is provided with an angle sensor 7, and the angle sensor 7 is used for accurate positioning, so that the function of servo closed loop control angle is realized.

[0027] The frame 1 is further provided with a bearing seat 8, one end of the bearing seat 8 is rotatably connected with the frame 1, the worm 3 is rotatably arranged in the middle of the bearing seat 8, the other end of the bearing seat 8 is provided with a magnet 9, the frame 1 is provided with a magnet 10 which is magnetically attracted to the magnet 9, and a gap is left between the magnet 9 and the magnet 10, the bearing seat 8 is close to the frame 1 through the magnetic attraction force between the magnets, the worm 3 is closely matched with the worm wheel 4, so that the gap between the worm 3 and the worm wheel 4 is eliminated, and the transmission precision is improved. Moreover, the motor 5 is arranged on the bearing seat 8 and keeps synchronous movement with the gear 6 and the worm 3.

[0028] As to the connection mode between the wing and the rotating part 2, the end of the rotating part 2 is provided with a connecting part 201, and a quick plug connector on the wing is in plug cooperation with the connecting part 201, so that the quick connection of mechanical structure and electrical circuit is realized.

[0029] In operation, the motor 5 first drives the worm 3 through the gear 6, the worm 3 is in transmission cooperation with the worm wheel 4, the rotating part 2 and the wing are driven to rotate, and the function of servo closed loop control angle is realized under the action of the angle sensor 7.

[0030] Please refer to Figure 5 The utility model provides a fixed wing unmanned plane, including fuselage 11, wing 12 and above -mentioned wing tilting mechanism, wing 12 is provided with propeller 13, wing tilting mechanism is provided with two pairs before and after fuselage 11, and the end of rotating part 2 on each wing tilting mechanism is connected with a wing 12.

[0031] The utility model eliminates the conversion of two modes of the existing compound wing unmanned plane, adjusts the angle of four tilting wings according to the flight speed, controls the balance of the fuselage, ensures that the fuselage is in the horizontal state in the flight process or the take-off and landing process, only two pairs of wings are adjusted in the angle, so that the flexibility of the unmanned plane is further improved.

[0032] The above merely describes a specific implementation of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A wing tilt mechanism, characterized by: The wing tilting mechanism comprises a frame (1), a rotating member (2), a worm (3), a worm wheel (4) and a motor (5), the rotating member (2) is rotatably arranged on the frame (1), the end of the rotating member (2) is connected with a wing, the worm wheel (4) is sleeved on the rotating member (2), the worm (3) is rotatably arranged on the frame (1) and is in transmission cooperation with the worm wheel (4), and the motor (5) is arranged on the frame (1) and drives the worm (3) to rotate.

2. A wing tilt mechanism according to claim 1, wherein: One end of the worm (3) is provided with a gear (6), and the motor (5) drives the worm (3) to rotate through the gear (6).

3. A wing tilt mechanism according to claim 2, wherein: The other end of the worm (3) is provided with an angle sensor (7).

4. A wing tilt mechanism according to claim 3, wherein: The frame (1) is further provided with a bearing seat (8), one end of the bearing seat (8) is rotatably connected with the frame (1), the worm (3) is rotatably arranged in the middle of the bearing seat (8), the other end of the bearing seat (8) is provided with a magnet (9), the frame (1) is provided with a magnet (10) which is magnetically attracted to the magnet (9), and a gap is left between the magnet (9) and the magnet (10).

5. A wing tilt mechanism according to claim 4, wherein: The motor (5) is arranged on the bearing seat (8).

6. A wing tilt mechanism according to claim 5, wherein: The end of the rotating member (2) is provided with a connecting member (201), and the wing is in plug-in cooperation with the connecting member (201).

7. A fixed-wing drone, characterized by: The wing tilting mechanism comprises a frame (1), a rotating member (2), a worm (3), a worm wheel (4) and a motor (5), the rotating member (2) is rotatably arranged on the frame (1), the end of the rotating member (2) is connected with a wing, the worm wheel (4) is sleeved on the rotating member (2), the worm (3) is rotatably arranged on the frame (1) and is in transmission cooperation with the worm wheel (4), and the motor (5) is arranged on the frame (1) and drives the worm (3) to rotate. One end of the worm (3) is provided with a gear (6), and the motor (5) drives the worm (3) to rotate through the gear (6). The other end of the worm (3) is provided with an angle sensor (7). The frame (1) is further provided with a bearing seat (8), one end of the bearing seat (8) is rotatably connected with the frame (1), the worm (3) is rotatably arranged in the middle of the bearing seat (8), the other end of the bearing seat (8) is provided with a magnet (9), the frame (1) is provided with a magnet (10) which is magnetically attracted to the magnet (9), and a gap is left between the magnet (9) and the magnet (10). The motor (5) is arranged on the bearing seat (8). The end of the rotating member (2) is provided with a connecting member (201), and the wing is in plug-in cooperation with the connecting member (201). The wing tilting mechanism comprises a frame (1), a rotating member (2), a worm (3), a worm wheel (4) and a motor (5), the rotating member (2) is rotatably arranged on the frame (1), the end of the rotating member (2) is connected with a wing, the worm wheel (4) is sleeved on the rotating member (2), the worm (3) is rotatably arranged on the frame (1) and is in transmission cooperation with the worm wheel (4), and the motor (5) is arranged on the frame (1) and drives the worm (3) to rotate.

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