CN113148132A - Rotor assembly and single-rotor mobile device for reducing reaction torque - Google Patents
Rotor assembly and single-rotor mobile device for reducing reaction torque Download PDFInfo
- Publication number
- CN113148132A CN113148132A CN202110502168.2A CN202110502168A CN113148132A CN 113148132 A CN113148132 A CN 113148132A CN 202110502168 A CN202110502168 A CN 202110502168A CN 113148132 A CN113148132 A CN 113148132A
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- rotor
- motor
- paddle
- assembly
- stator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/12—Rotor drives
- B64C27/16—Drive of rotors by means, e.g. propellers, mounted on rotor blades
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/08—Helicopters with two or more rotors
- B64C27/10—Helicopters with two or more rotors arranged coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/12—Rotor drives
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention provides a rotor assembly and a single-rotor moving device for reducing reaction torque, the rotor assembly is arranged on a single-rotor aircraft, the rotor assembly comprises a blade assembly, a reverse transmission assembly and a motor, the motor comprises a stator and a rotor, the rotor rotates relative to the stator, the reverse transmission assembly is respectively connected with the blade assembly and the rotor, the rotor drives the blade assembly to rotate, the rotor and the blade assembly synchronously rotate in reverse direction, the structure is adopted, in the moving process of the single-rotor moving device, the motor drives the blades to rotate, in the working engineering of the motor, the rotation of the rotor can bring reaction torque to act on the stator, the rotor and the blades synchronously rotate in the opposite direction, the direction of the counter torque brought by the rotation of the rotor is opposite to the direction of the counter torque brought by the rotor, two sets of counter torque forces are mutually offset, the counter torque brought by the rotor can be reduced, and therefore the energy consumption of the body for balancing the counter torque output is reduced.
Description
Technical Field
The invention relates to the field of power supply devices, in particular to a rotor assembly and a single-rotor moving device for reducing reactive torque.
Background
No matter be mobile devices such as helicopter, boats and ships or paraglider at present, including the rotor structure in the power device that sets up on the organism, rotate through motor drive paddle in the rotor structure, provide thrust, make the organism remove. However, when the rotor structure of the moving body is a single-rotor structure, the problem is that the reaction torque affects the body, and the reaction torque exists because the rotating blades apply the reaction torque to the air, the air necessarily acts on the blades at the same time with the reaction torque with equal magnitude and opposite direction, and the reaction torque is transmitted to the body through the rotating blades, so that the body rotates in the opposite direction of the rotation of the blades. The conventional helicopter offsets the reactive torque through the tail rotor, and controls the flight direction of the helicopter through controlling the rotating speed of the tail rotor; or the controllable airflow is injected by the engine in the helicopter to offset the reaction torque. But because the tail rotor only can produce certain thrust or pulling force, can not produce lift, when just offsetting reaction torque through the tail rotor, the helicopter need supply energy to the rotor that is located organism top and afterbody, and energy consumption is huge.
Disclosure of Invention
A first object of the present invention is to provide a rotor assembly that reduces reaction torque.
A second object of the invention is to provide a single-rotor aircraft comprising a rotor assembly as described above.
In order to achieve the first object, the rotor assembly for reducing the reactive torque provided by the invention comprises a blade assembly, a reverse transmission assembly and a motor, wherein the blade assembly comprises a blade, the motor comprises a stator and a rotor, the rotor rotates relative to the stator, the reverse transmission assembly is respectively connected with the blade assembly and the rotor, the rotor drives the blade assembly to rotate, and the rotor and the blade assembly synchronously rotate in the reverse direction.
According to the scheme, in the moving process of the moving device, the motor drives the paddle to rotate, and reaction torque is generated to act on the moving device; in the process of motor work, the rotation of rotor also can bring the reaction torque and act on the stator, and rotor and paddle synchronous antiport for the direction of the reaction torque that the rotor rotated and brought is opposite with the direction of the reaction torque that rotatory paddle brought, and two sets of reaction torque forces offset each other, and the reaction torque that reducible rotor brought, thereby reduce the organism and output the power consumption for balanced reaction torque.
The blade assembly comprises a rotating shaft, the reverse transmission assembly comprises a first rotating piece and a second rotating piece, the first rotating piece is connected with the blade, the second rotating piece is connected with the rotor, the first rotating piece and the second rotating piece synchronously rotate in the reverse direction, and the rotating shaft penetrates through the first rotating piece, the second rotating piece and the rotor.
Therefore, the paddle component and the motor rotate coaxially, the synchronous rotation precision of the paddle component and the motor is guaranteed, and transmission errors are reduced.
The rotating shaft is connected with the first rotating piece in an interference fit mode.
Therefore, the reverse driving assembly drives the paddle assembly to rotate, the rotating shaft is fixedly connected with the paddle and in interference fit with the first rotating piece, and the paddle assembly is connected with the reverse driving assembly more stably.
Further, the reverse transmission assembly is located between the blade assembly and the motor.
It can be seen that paddle subassembly and motor are connected with the reverse drive subassembly respectively to when realizing motor drive paddle subassembly pivoted, paddle subassembly and the synchronous reverse rotation of motor inner rotor, the reverse drive subassembly is located between paddle subassembly and the motor, can make rotor subassembly's overall structure compacter, reduces rotor subassembly based on the extension length of base member, controls rotor subassembly's overall height.
The motor comprises a stator fixing component, the stator fixing component comprises a connecting seat, the connecting seat is positioned on one side of the stator, which faces the paddle component, and is connected with the stator, and the connecting seat covers the stator; the connecting seat is provided with protruding post on the lateral wall towards paddle subassembly, and protruding post is located between paddle mount pad and the connecting seat, is formed with the installation cavity between paddle mount pad, connecting seat and the protruding post, and reverse drive subassembly includes middle transmission assembly, and middle transmission assembly rotates with first rotation piece, second respectively and is connected, and middle transmission assembly sets up in the installation cavity.
It can be seen that the setting of protruding post is used for when middle transmission assembly installation carrier, but the setting height of middle transmission assembly in the protruding high steerable installation cavity of protruding post based on the connecting seat, further control reverse transmission assembly.
The motor comprises a motor rotating shaft and a motor cover, the motor cover is connected with the rotor, the motor cover and the connecting seat are arranged relatively along the axial direction of the rotating shaft, the motor cover covers the stator, the axial first end of the motor rotating shaft is fixedly connected with the motor cover, the axial second end of the motor rotating shaft penetrates through the stator and the connecting seat, and the motor rotating shaft is connected with the second rotating member in an interference fit manner.
Therefore, the motor rotating shaft is connected with the second rotating part in an interference fit mode, so that the motor rotating shaft and the reverse transmission assembly are connected more stably, and timely transmission is realized.
The intermediate transmission assembly comprises a plurality of driven gears, and the plurality of driven gears are respectively connected with the first rotating piece and the second rotating piece.
Further, the first rotating member, the second rotating member and the driven gear are bevel gears respectively.
Therefore, the intermediate transmission assembly comprises four bevel gears, the motor drives the second rotating member to rotate, synchronous reverse rotation of the first rotating member and the second rotating member can be realized through the four bevel gears, and the reverse transmission assembly is simple in structure and high in transmission efficiency.
Further, the rotor is located outside the stator.
Therefore, the motor is an outer rotor motor, the size of the reaction torque is related to the rotation radius, and the reaction torque counteracting effect of the reaction torque in the outer rotor motor on the rotation of the paddle is better.
To achieve the second object, the invention provides a monowing aircraft comprising a rotor assembly with reduced reaction torque as described above.
Drawings
Figure 1 is a block diagram of an embodiment of a rotor assembly of the present invention that reduces reactive torque.
Figure 2 is an exploded view of an embodiment of a rotor assembly of the present invention that reduces reactive torque.
Figure 3 is a cross-sectional view of an embodiment of a rotor assembly of the present invention that reduces reactive torque.
Figure 4 is a schematic view of a second embodiment of a counter drive assembly in an embodiment of a rotor assembly for reducing counter torque according to the present invention.
Figure 5 is a schematic view of a third embodiment of a counter drive assembly in an embodiment of a rotor assembly for reducing counter torque according to the present invention.
The invention is further explained with reference to the drawings and the embodiments.
Detailed Description
When the rotor assembly is applied to a single-rotor helicopter, a ship or a paraglider and other moving devices, in the flight process of the single-rotor helicopter, an inner rotor of a motor and blades driven to rotate by the inner rotor synchronously rotate in opposite directions, the reaction torque brought by the rotor and the reaction torque generated by the rotation of the inner rotor of the motor driving the blades to rotate are mutually offset, the reaction torque acted on a machine body by the rotor is reduced, and therefore energy consumption output by the moving devices is reduced.
Referring to fig. 1, the rotor assembly for reducing the reactive torque includes a blade assembly 1, a reverse transmission assembly 2 and a motor 3, wherein the reverse transmission assembly 2 is connected to the blade assembly 1 and the motor 3 respectively.
Referring to fig. 2 and 3, the paddle assembly 1 includes a paddle 11, a paddle mounting base 12 and a rotating shaft 13, the paddle 11 and the rotating shaft 13 are respectively located on two side walls of the paddle mounting base 12 deviating from each other along the axial direction of the rotating shaft 13, and the paddle is arranged on a side wall of the paddle mounting base deviating from the motor.
The motor 3 comprises a rotor 31, a stator 32, a stator fixing assembly 33, a motor cover 34 and a motor rotating shaft 35, wherein the stator 32 comprises a plurality of coils and silicon steel sheets 321, and the plurality of coils are arranged on the silicon steel sheets 321; the silicon steel sheet 321 is provided with a first hollow portion 322, and the first hollow portion 322 penetrates through the silicon steel sheet 321 along the axial direction of the rotating shaft 13.
The rotor 31 includes a plurality of magnetic sheets 311 and an annular mounting side plate 312, the plurality of magnetic sheets 311 are equidistantly disposed on an inner sidewall of the annular mounting side plate 312, and the plurality of magnetic sheets 311 are disposed opposite to the silicon steel sheet 321. The stator 32 is disposed within the annular mounting side plate 312, and the motor in this embodiment is an outer rotor motor.
The stator fixing component 33 includes a connecting seat 331 and a fixing block 332, the connecting seat 331 and the fixing block 332 are integrally connected, the fixing block 332 is located on a side wall of the connecting seat 331 facing the stator 32, and the connecting seat 331 covers the stator 32. The fixing block 332 is located in the first hollow portion 322 of the silicon steel sheet 321, and the fixing block 332 is connected with the silicon steel sheet 321.
The motor cover 34 is connected with the annular mounting side plate 312, the motor cover 34 is arranged on one side of the rotor 31 far away from the blade assembly 1, and the motor cover 34 is arranged opposite to the connecting seat 331 along the axial direction of the rotating shaft 13. In this embodiment, a plurality of positioning blocks 342 are convexly disposed on a side wall of the motor cover 34 facing the rotor 31, the positioning blocks 342 are uniformly arranged along a circumferential direction of the motor cover 34, and one positioning block 342 is disposed between the two magnet pieces 311. The motor cover 34 is provided with a second hollow portion 341, a first end of the axis of the motor rotating shaft 35 is disposed in the second hollow portion 341, and the motor rotating shaft 35 is fixedly connected to the motor cover 34. The axial second end of the motor rotating shaft 35 penetrates through the first hollow portion 322 of the stator 32, the fixing block 332 and the connecting seat 331, and a bearing 3321 is disposed between the motor rotating shaft 35 and the fixing block 332. The motor rotating shaft 35 is provided with a third hollow portion 351 along the axial direction of the motor rotating shaft 35, the rotating shaft 13 penetrates the third hollow portion 351 and the second hollow portion 341, and the axial direction of the motor rotating shaft 35 is parallel to the rotating shaft of the rotating shaft 13.
The counter drive assembly 2 is arranged between the blade assembly 1 and the motor 3 in the axial direction of the rotation shaft 13. The reverse transmission assembly 2 comprises a first rotating piece 21, a second rotating piece 22 and an intermediate transmission assembly 23, wherein the first rotating piece 21 is arranged on the side wall of the blade mounting base 12, the rotating shaft 13 is arranged on the side wall, provided with the rotating shaft 13, of the blade mounting base 12, the rotating shaft 13 penetrates through the first rotating piece 21, and the rotating shaft 13 is connected with the first rotating piece 21 in an interference fit mode. In this embodiment, the second rotating element 22 is disposed on a side of the connecting seat 331 facing the blade assembly 1, an axial second end of the motor rotating shaft 35 penetrates through the second rotating element 22, the motor rotating shaft 35 is connected with the second rotating element 22 in an interference fit manner, and the second rotating element 22 rotates relative to the connecting seat 331. In this embodiment, four protruding columns 333 are disposed on the side wall of the connecting seat 331 facing the blade assembly 1, the four protruding columns 333 are arranged at equal intervals along the circumferential direction of the rotating shaft 13, the blade mounting seat 12, the four protruding columns 333 and the connecting seat 331 define a mounting chamber 335, the intermediate transmission assembly 23 is disposed in the mounting chamber 335, and in this embodiment, the axial second shaft of the motor rotating shaft 35 extends into the mounting chamber 335 after penetrating through the connecting seat 331.
In the present embodiment, the intermediate transmission assembly 23 includes four driven gears 231, and one driven gear 231 is correspondingly disposed on one of the protruding columns 333. The first rotating member 21, the second rotating member 22, and the four driven gears 231 are bevel gears, respectively, and the four driven gears 231 are meshed with the first rotating member 21 and the second rotating member 22, respectively. When the coil on the stator 32 is electrified and the rotor 31 is pushed to rotate by magnetic force, the motor cover 34 and the motor rotating shaft 35 are driven to rotate by rotation, the second rotating member 22 is driven to rotate by rotation of the motor rotating shaft 35, the first rotating member 21 is driven to rotate by the intermediate transmission assembly 23, coaxial synchronous reverse rotation of the first rotating member 21 and the second rotating member 22 is achieved, the blades are driven to rotate by rotation of the first rotating member 21, synchronous reverse rotation of the blades and the rotor 31 is achieved, and therefore the effect that the reactive torque caused by rotation of the rotor 31 offsets the reactive torque caused by rotation of part of the blades is achieved, and energy consumption of aircraft output is reduced.
A limiting plate 133 is connected to an axial end of the rotating shaft 13 away from the blade assembly 1, the limiting plate 133 is disposed along a circumferential direction of the rotating shaft 13, and the limiting plate 133 may be located in the second hollow portion 341. The width of the stopper plate 133 is greater than the width of the second hollow portion 341 in the radial direction of the rotation shaft 13, preventing the blade assembly 1 from being detached from the motor 3.
A protruding handle 334 is connected between every two adjacent protruding columns 333 on the connecting seat 331, and the four protruding handles 334 are fixedly connected to form a detaching handle, so that the connecting seat 331 can be detached from the stator 32 quickly.
As a second embodiment of the reverse drive assembly 2, referring to fig. 4, the first rotating member 21 and the second rotating member 22 are rotating wheels, respectively, the first rotating member 21 is connected to a blade assembly mounting block 35, and the blade assembly mounting block 35 is used for connecting the blade assembly 1; the second rotation piece 22 is connected with the motor connecting block 36, the motor connecting block 36 is used for connecting the stator fixing component 33 of the motor, along the axial direction of the rotating shaft 13, the first rotation piece 21 is arranged above the second rotation piece 22, the intermediate transmission component 23 comprises a transmission belt 231 and two driven rolling wheels 232, a connecting rod 233 is connected between the two rolling wheels 232, the two driven rolling wheels 232 are respectively arranged between the first rotation piece 21 and the second rotation piece 22, the axial direction of the connecting rod 233 is perpendicular to the axial direction of the rotating shaft 13, and the transmission belt 231 is respectively connected with the first rotation piece 21, the second rotation piece 22 and the two driven rolling wheels 232.
As a third embodiment of the reverse transmission assembly 2, referring to fig. 5, the first rotating member 21 and the second rotating member 22 respectively connected to the blade 1 and the motor 3 are both gears, the first rotating member 21 is connected to a blade assembly mounting block 35, and the blade assembly mounting block 35 is used for connecting the blade assembly 1; the second rotating member 22 is connected with a motor connecting block 36, and the motor connecting block 36 is used for connecting a stator fixing component 33 of a motor. A pinion 24 capable of moving and rotating around the circumferential direction of the rotating shaft is arranged between the upper gear and the lower gear, and the pinion 24 drives the upper gear and the lower gear to synchronously and reversely move when moving and rotating, so that the inner rotor of the motor is driven to rotate and the paddles synchronously and reversely rotate.
The single-rotor moving device can be a single-rotor helicopter, a ship or a paraglider, when the single-rotor moving device is the single-rotor helicopter, the single-rotor helicopter comprises a body, a rotor assembly and a tail wing assembly, the rotor assembly is the rotor assembly, the rotor assembly is located at the top of the body, and the tail wing assembly is located at the tail of the body. When the helicopter flies, the motor 3 drives the blades 11 to rotate, the rotating direction of the rotor 31 in the motor 3 is opposite to that of the blades 11 through the reverse transmission assembly 2, so that the reaction torque generated by the rotation of the rotor 32 counteracts part of the reaction torque generated by the rotation of the blades 11, and the rest reaction torque is balanced through the empennage assembly, so that the energy consumed by the helicopter is reduced.
Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, rather than limitations, and that many variations and modifications of the invention are possible to those skilled in the art, without departing from the spirit and scope of the invention.
Claims (10)
1. A rotor assembly for reducing reactive torque, comprising: paddle subassembly, reverse drive subassembly and motor, the paddle subassembly includes the paddle, the motor includes stator and rotor, the rotor is relative the stator rotates, the reverse drive subassembly respectively with the paddle subassembly the rotor is connected, the rotor drive the paddle subassembly rotates, the rotor with the synchronous antiport of paddle.
2. A rotor assembly for reducing reactive torque according to claim 1, wherein:
the paddle component comprises a rotating shaft, the reverse transmission component comprises a first rotating part and a second rotating part, the first rotating part is connected with the paddle, the second rotating part is connected with the rotor, the first rotating part and the second rotating part synchronously rotate in a reverse direction, and the rotating shaft penetrates through the first rotating part, the second rotating part and the rotor.
3. A rotor assembly for reducing reactive torque according to claim 2, wherein:
the rotating shaft is connected with the first rotating piece in an interference fit mode.
4. A rotor assembly for reducing reactive torque according to claim 2, wherein:
the reverse drive assembly is located between the paddle assembly and the motor.
5. A rotor assembly for reducing reactive torque according to claim 4, wherein:
the paddle component comprises a paddle mounting seat, the paddle is arranged on the side wall of the paddle mounting seat, which is far away from the motor, the motor comprises a stator fixing component, the stator fixing component comprises a connecting seat, the connecting seat is positioned on one side of the stator, which faces the paddle component, the connecting seat is connected with the stator, and the connecting seat covers the stator;
the connecting seat orientation be provided with protruding post on the lateral wall of paddle subassembly, protruding post is located the paddle mount pad with between the connecting seat, the paddle mount pad the connecting seat with be formed with the installation cavity between the protruding post, reverse drive subassembly includes middle transmission assembly, middle transmission assembly respectively with first rotation piece, the second rotates the piece and is connected, middle transmission assembly sets up in the installation cavity.
6. A rotor assembly for reducing reactive torque according to claim 5, wherein:
the motor includes motor rotation axle and motor lid, the motor lid with the rotor is connected, follows the axial of axis of rotation, the motor lid with the connecting seat sets up relatively, the motor lid covers the stator, motor rotation axle's axial first end with motor lid fixed connection, motor rotation axle's axial second end runs through the stator the connecting seat, motor rotation axle rotates the piece interference fit with the second and is connected.
7. A rotor assembly for reducing reactive torque according to claim 5, wherein:
the first rotating part and the second rotating part are gears respectively, the intermediate transmission assembly comprises a plurality of driven gears, and the driven gears are connected with the first rotating part and the second rotating part respectively.
8. A rotor assembly for reducing reactive torque according to claim 7, wherein:
the first rotating member, the second rotating member and the driven gear are bevel gears, respectively.
9. A rotor assembly for reducing reactive torque according to any one of claims 1 to 8, wherein:
the stator is located inside the rotor.
10. Single rotor mobile device, its characterized in that: a rotor assembly comprising a reaction torque reducing rotor assembly according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110502168.2A CN113148132A (en) | 2021-05-08 | 2021-05-08 | Rotor assembly and single-rotor mobile device for reducing reaction torque |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110502168.2A CN113148132A (en) | 2021-05-08 | 2021-05-08 | Rotor assembly and single-rotor mobile device for reducing reaction torque |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113148132A true CN113148132A (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110502168.2A Pending CN113148132A (en) | 2021-05-08 | 2021-05-08 | Rotor assembly and single-rotor mobile device for reducing reaction torque |
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| CN (1) | CN113148132A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117369529A (en) * | 2023-12-06 | 2024-01-09 | 常州丰飞智控科技有限公司 | Unmanned aerial vehicle's roll gesture stable system |
-
2021
- 2021-05-08 CN CN202110502168.2A patent/CN113148132A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117369529A (en) * | 2023-12-06 | 2024-01-09 | 常州丰飞智控科技有限公司 | Unmanned aerial vehicle's roll gesture stable system |
| CN117369529B (en) * | 2023-12-06 | 2024-02-20 | 常州丰飞智控科技有限公司 | Unmanned aerial vehicle's roll gesture stable system |
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