Coaxial reverse propeller power device assembly with double external rotation motors and aircraft

Abstract

The invention relates to the field of aircraft power devices, in particular to a double-outer-rotation-motor coaxial reverse propeller power device assembly and an aircraft, and the double-outer-rotation-motor coaxial reverse propeller power device assembly comprises a hollow shaft double-motor fixing machine base which is connected with a fixed outer rotation motor and a hollow shaft outer rotation motor and is composed of a front flange, a rear flange, a shaft body, an inner shaft and a plug pin. The front flange is provided with the hollow inner shaft, the rear flange is provided with the hollow shaft body, the front end of the shaft body is provided with a shaft connector connected with the inner shaft in a sleeved mode, and after sleeved connection, the shaft connector is positioned through the plug pin and forms a cable channel. The external rotation motor and the hollow shaft external rotation motor provide a proper power source for the double-external-rotation-motor coaxial reverse propeller power device assembly.

Description

Technical Field

[0001] The invention belongs to the technical field of aircraft power devices, and in particular relates to a dual-outer rotor motor coaxial counter-propeller power device assembly and an aircraft. Background Art

[0002] A dual-motor coaxial counter-propeller power device is commonly seen with upper and lower propeller wings, which are fixed by an intermediate crossbar and connected to a power line structure, and cannot meet the needs of a coaxial counter-propeller power device in front of the nose. Therefore, a dual outboard motor coaxial counter-propeller power device assembly and an aircraft are proposed. Summary of the invention

[0003] The present invention discloses a dual-outer motor coaxial counter-propeller power device assembly and an aircraft, wherein a hollow shaft dual-motor fixed base is used to fix two outer motors as the power source of the dual-outer motor coaxial counter-propeller power device. The present invention provides the following technical solutions: The present invention provides a dual-outer-rotating motor coaxial counter-propeller power device assembly, comprising a hollow-shaft dual-motor fixed machine base, wherein the hollow-shaft dual-motor fixed machine base connects and fixes the outer-rotating motor and the hollow-shaft outer-rotating motor.

[0004] Preferably, the hollow shaft dual-motor fixed base consists of a front flange, a rear flange, a shaft body, an inner shaft, and a latch. The front flange is provided with a hollow inner shaft, the rear flange is provided with a hollow shaft body, and the front end of the shaft body is provided with a shaft interface for socketing the inner shaft. After socketing, the latch is used to position and form a cable channel. The latch is an eccentric latch that avoids the cable channel.

[0005] Preferably, the outer rotor motor is composed of a No. 1 winding inner stator, a No. 1 outer rotor, a No. 1 rotor shaft, a No. 1 bearing, and a No. 2 bearing according to a conventional arrangement.

[0006] Preferably, the hollow shaft external rotating motor is composed of a No. 2 winding inner stator, a No. 2 external rotor, a No. 2 hollow rotor shaft, a No. 3 bearing, and a No. 4 bearing basically according to the conventional arrangement. The difference is that the No. 2 hollow rotor shaft is a large-aperture hollow shaft, which can pass through the shaft body in the hollow shaft dual-motor fixing base.

[0007] Preferably, the shaft body and the inner shaft can be disassembled so that the hollow shaft outgoing motor can be installed between the front flange and the rear flange.

[0008] Preferably, the hollow shaft dual-motor fixed base and the outward rotating motor, and the hollow shaft outward rotating motor are specifically connected in such a way that the front flange is connected and fixed to the stator inside the first winding outwardly; the rear flange is connected and fixed to the stator inside the second winding inwardly, so that the hollow shaft outward rotating motor is located between the front flange and the rear flange and is tightly attached to the rear flange.

[0009] Preferably, the rear flange is connected and fixed to the machine body outwardly.

[0010] Preferably, the No. 1 outer rotor is fixedly connected to the No. 1 rotor flange, the No. 1 rotor flange is fixedly connected to the No. 1 propeller seat, and the No. 1 propeller and the No. 2 propeller are connected and installed on both sides of the No. 1 propeller seat.

[0011] Preferably, the No. 2 outer rotor is fixedly connected to a No. 2 rotor flange, the No. 2 rotor flange is fixedly connected to a No. 2 propeller seat, and a No. 3 propeller and a No. 4 propeller are connected and installed on both sides of the No. 2 propeller seat.

[0012] Preferably, the No. 1 propeller seat is provided with a fairing in front, and the fairing plays a fairing role during forward level flight.

[0013] Preferably, a power battery is provided in the body, and the power battery is respectively connected to a No. 1 power controller and a No. 2 power controller through cables, the No. 1 power controller is connected to a No. 1 power line, and the No. 1 power line is connected to the winding of the stator in the No. 1 winding through a cable channel, the No. 2 power controller is connected to the No. 2 power line, and the No. 2 power line is connected to the winding of the stator in the No. 2 winding.

[0014] Preferably, the No. 1 propeller and the No. 2 propeller are front propellers, and the No. 3 propeller and the No. 4 propeller are rear propellers. The front propeller and the rear propeller have opposite angles of attack and opposite directions of rotation. When the front propeller and the rear propeller are in operation, the counter-torques generated offset each other.

[0015] On the other hand, the present invention also provides an aircraft, including a dual outboard motor coaxial counter-propeller power device assembly as described above, wherein the dual outboard motor coaxial counter-propeller power device can be arranged at the front of the aircraft to provide traction, at the rear to provide thrust, or at the top to provide lift.

[0016] The beneficial effects of the present invention are: This dual outboard motor coaxial counter-propeller power unit assembly adopts a structure in which a hollow shaft dual motor fixed base connects the outboard motor and the hollow shaft outboard motor in series, solving the problem that the dual motor coaxial upper and lower propeller wings, the middle cross bar fixing and the power line connection structure cannot meet the needs of the front coaxial counter-propeller power unit of the nose, providing an additional option for aircraft. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0018] In the attached picture: Figure 1 This is a schematic diagram of the structure of the dual-outer motor coaxial reverse propeller power unit assembly Figure 2 for Figure 1 Cross-section diagram at point A Figure 3 A schematic diagram of one of the use cases for combining with aircraft Figure 4 A vertical section diagram of a hollow shaft dual motor fixed base In the figure: 1. hollow shaft dual motor fixed base 2. No. 1 winding inner stator 3. No. 1 outer rotor 4. No. 1 rotor shaft 5. No. 1 bearing 6. No. 2 bearing 7. No. 1 rotor flange 8. No. 1 propeller seat 9. No. 1 propeller 10. No. 2 propeller 11. fairing 12. hollow shaft outer rotor motor 13. No. 2 winding inner stator 14. No. 2 outer rotor 15. No. 2 hollow rotor shaft 16. No. 3 bearing 17. No. 4 bearing 18. No. 2 rotor flange 19. No. 2 propeller seat 20. body 21. No. 3 propeller 22. No. 4 propeller 23. No. 1 power line 24. No. 1 power controller 25. No. 2 power line 26. No. 2 power controller 27. cable channel 28. outer motor 29. latch 30. front flange 31. inner shaft 32. rear flange 33. shaft body 34. power battery 35. shaft interface DETAILED DESCRIPTION

[0019] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0020] Example: Figure 1 , Figure 3 As shown, when the dual outer rotor motor coaxial reverse propeller power device assembly and the aircraft are preparing for flight, the No. 1 power controller 24 and the No. 2 power controller 26 are synchronously controlled to synchronously supply power to the winding of the stator 2 in the No. 1 winding and the winding of the stator 13 in the No. 2 winding through the No. 1 power line 23 and the No. 2 power line 25, and synchronously drive the No. 1 outer rotor 3 and the No. 2 outer rotor 14 to perform reverse rotation. The No. 1 outer rotor 3 transmits power to the No. 1 propeller 9 and the No. 2 propeller through the No. 1 rotor flange 7 and the No. 1 propeller seat 8. The propeller 10 performs a rotational motion, and generates a forward pulling force through the No. 1 propeller 9 and the No. 2 propeller 10 with a certain angle of attack. The No. 2 outer rotor 14 transmits power to the No. 3 propeller 21 and the No. 4 propeller 22 through the No. 2 rotor flange 18 and the No. 2 propeller seat 19 to perform a rotational motion, and generates a forward pulling force through the No. 3 propeller 21 and the No. 4 propeller 22 with a certain angle of attack. At this point, the dual outer rotor motor coaxial counter-propeller power device can provide the required power for the aircraft.

[0021] The above description is only a specific embodiment of the present invention. The present invention is described in detail. The parts not described in detail are conventional technologies. For those skilled in the art, changes, modifications, substitutions and variations made under the principles and spirit of the present invention should fall within the scope of protection of the present invention.

Claims

1. A dual outer rotor motor coaxial reverse propeller power device assembly, characterized in that: The invention comprises a hollow shaft dual-motor fixed base 1, wherein the hollow shaft dual-motor fixed base 1 is connected to fix an outer rotating motor 28 and a hollow shaft outer rotating motor 12, wherein the hollow shaft dual-motor fixed base 1 is composed of a front flange 30, a rear flange 32, a shaft body 33, an inner shaft 31, and a latch 29, wherein the front flange 30 is provided with a hollow inner shaft 31, and the rear flange 32 is provided with a hollow shaft body 33, and the front end of the shaft body 33 is provided with an shaft interface for sleeve-connecting the inner shaft 31, and after sleeve-connection, the shaft body 33 is positioned by the latch 29 and forms a cable channel 27, and the latch 29 is an eccentric latch for avoiding the cable channel 27; the outer rotating motor 28 is composed of a No. 1 winding inner stator 2, a No. 1 outer rotor 3, a No. 1 rotor shaft 4, a No. 1 bearing 5, and a No. 2 bearing 6 according to conventional arrangements, and the hollow shaft outer rotating motor 12 is composed of a No. 2 winding inner stator 13, a No. 2 outer rotor 14, and a No. 2 hollow rotor. The shaft 15, the third bearing 16, and the fourth bearing 17 are basically arranged and composed according to the conventional arrangement. The difference is that the second hollow rotor shaft 15 is a large-diameter hollow shaft, which can pass through the shaft body 33 in the hollow shaft dual-motor fixed base 1. The shaft body 33 and the inner shaft 31 can be disassembled in order to install the hollow shaft outward rotating motor 12 between the front flange 30 and the rear flange 32; the specific connection method between the hollow shaft dual-motor fixed base 1 and the outward rotating motor 28 and the hollow shaft outward rotating motor 12 is that the front flange 30 is connected and fixed to the stator 2 in the first winding toward the outside, and the rear flange 32 is connected and fixed to the stator 13 in the second winding toward the inside, so that the hollow shaft outward rotating motor 12 is located between the front flange 30 and the rear flange 32 and is close to the rear flange 32, and the rear flange 32 is connected and fixed to the body 20 toward the outside.

2. According to the dual outer rotor motor coaxial counter-propeller power device assembly described in claim 1, a power battery 34 is provided in the body 20, and the power battery 34 is respectively connected to the No. 1 power controller 24 and the No. 2 power controller 26 through cables, the No. 1 power controller 24 is connected to the No. 1 power line 23, and the No. 1 power line 23 is connected to the winding of the stator 2 in the No. 1 winding through the cable channel 27, and the No. 2 power controller 26 is connected to the No. 2 power line 25, and the No. 2 power line 25 is connected to the winding of the stator 13 in the No. 2 winding.

3. According to the dual outer rotor motor coaxial counter-propeller power device assembly of claim 1, a fairing 11 is provided forwardly of the No. 1 propeller seat 8, and the fairing 11 plays a fairing role during forward level flight.

4. According to a dual outer rotor coaxial counter-propeller power device assembly according to claim 1, the No. 1 outer rotor 3 is fixedly connected to the No. 1 rotor flange 7, the No. 1 rotor flange 7 is fixedly connected to the No. 1 propeller seat 8, and the No. 1 propeller 9 and the No. 2 propeller 10 are connected and installed on both sides of the No. 1 propeller seat 8; the No. 2 outer rotor 14 is fixedly connected to the No. 2 rotor flange 18, the No. 2 rotor flange 18 is fixedly connected to the No. 2 propeller seat 19, and the No. 3 propeller 21 and the No. 4 propeller 22 are connected and installed on both sides of the No. 2 propeller seat 19.

5. An aircraft, characterized in that: It comprises a dual outboard motor coaxial counter-propeller power device assembly as described in any one of claims 1 to 4.

6. The aircraft according to claim 5, characterized in that: The dual outboard motor coaxial reverse propeller power device assembly is used to be arranged at the front of the aircraft to provide pulling force, arranged at the rear of the aircraft to provide thrust, and arranged at the top of the aircraft to provide lift.

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