CN215514101U - High-speed prerotation system of autorotation rotorcraft - Google Patents
High-speed prerotation system of autorotation rotorcraft Download PDFInfo
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- CN215514101U CN215514101U CN202121119458.0U CN202121119458U CN215514101U CN 215514101 U CN215514101 U CN 215514101U CN 202121119458 U CN202121119458 U CN 202121119458U CN 215514101 U CN215514101 U CN 215514101U
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Abstract
The utility model belongs to the technical field of aircrafts, and particularly relates to a high-speed prerotation system of a self-rotation gyroplane, which comprises: the utility model can pre-rotate the rotor during take-off, so that the rotor has higher rotating speed during take-off and the short-distance take-off and landing capability of the autorotation rotorcraft is improved.
Description
Technical Field
The utility model belongs to the technical field of aircrafts, and particularly relates to a high-speed pre-rotation system of a self-rotation gyroplane.
Background
The autorotation rotorcraft is a rotorcraft which obtains lift force by means of autorotation of a rotor instead of power driving, and generally comprises a propulsion propeller for providing forward power, and the autorotation of the rotor is blown by using relative airflow during forward flight.
The autorotation gyroplane has the characteristics of simplicity in operation, low price and safe and reliable performance, is widely applied to the fields of search, travel, measurement, forest fire prevention, agricultural planting and the like, and has wider requirements along with the rapid development of the economy of China.
The existing autorotation gyroplanes provide advancing power by a propelling propeller, and utilize relative airflow in the process of forward flying to blow the autorotation of a rotor, so that a certain takeoff distance is needed before takeoff, and therefore, the autorotation gyroplanes are severely limited by terrain when taking off.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the defects in the prior art and provides a high-speed prerotation system of the autorotation gyroplane, and the autorotation gyroplane can prerotate a rotor during takeoff by arranging the system, so that the rotor has higher rotating speed during takeoff, and the short-distance take-off and landing capacity of the autorotation gyroplane is improved.
In order to solve the technical problems, the utility model adopts the technical scheme that:
a high-speed prerotation system for an autogiro, comprising: the output shaft of the engine is connected with the electromagnetic clutch, a driven part of the electromagnetic clutch is connected with a driving part of the centrifugal clutch, the driven part of the centrifugal clutch is connected with the input end of the speed changer, and the output end of the speed changer is connected with a rotating shaft of the rotor wing.
Furthermore, the transmission adopts a continuously variable transmission, a shell of the transmission can be fixed on the rack, and the continuously variable transmission has a simple structure and light weight compared with other transmissions, can greatly reduce the dead weight of the autorotation gyroplane, and has higher transmission efficiency, less power loss and high economy; in the field of mechanical transmission, the centrifugal clutch and the continuously variable transmission are widely matched for use, such as a pedal motorcycle, so that the matching and adjustment work of the clutch and the transmission in actual use is facilitated.
Further, electromagnetic clutch passes through electromagnetic switch control, electromagnetic switch sets up on the control cabinet of rotation gyroplane, and the prerotation of rotor when rotation gyroplane accomplishes taking off, the rotor has certain rotational speed after, and driver's accessible electromagnetic switch makes electromagnetic clutch separate for the derailleur breaks away from the power source, and high-speed prerotation system stop work, and the rotor utilizes relative air current to blow and carries out the rotation.
Further, the output shaft of the engine also provides power for the propulsion propeller through a transmission system, the transmission system utilizes gears, belts or a mixture of the gears and the belts for transmission, and the transmission system is a structure common in the mechanical field, so that detailed description is omitted here.
Further, the rotor includes: the device comprises a rotating shaft, a universal joint, a pre-rotation fluted disc and a rotor head, wherein the rotating shaft is connected with the output end of the transmission, the upper end of the rotating shaft is connected with the pre-rotation fluted disc through the universal joint, and the pre-rotation fluted disc is connected with the rotor head.
Further, the engine adopts a rotor engine, a piston engine, an electric motor or a turbine shaft engine.
Furthermore, the number of the output shafts of the engine is two, such as a double-head motor and a double-head piston engine, one output shaft of the engine drives the rotor to rotate, and the other output shaft of the engine drives the propulsion propeller to rotate.
The using method of the utility model is as follows:
when the autorotation rotorcraft takes off, a driver starts the engine and is connected with the electromagnetic clutch through the electromagnetic switch, the output shaft of the engine is connected with the driving part of the electromagnetic clutch, the driven part of the electromagnetic clutch drives the driving part of the centrifugal clutch, when the driving part of the centrifugal clutch reaches a certain rotating speed, the centrifugal clutch is connected, the driven part of the centrifugal clutch rotates, and the driven part is transmitted to the rotating shaft of the rotor through the stepless speed changer;
after the takeoff is finished, a driver enables the electromagnetic clutch to be separated through the electromagnetic switch, the power of the engine cannot be transmitted to the rotor wing, the rotor wing can rotate by blowing relative air flow, and the engine is only used for driving the propeller to work.
Compared with the prior art, the utility model has the following beneficial effects.
The high-speed prerotation system provided by the utility model can prerotate the rotor during takeoff, so that the rotor has higher rotating speed during takeoff, and the short-distance take-off and landing capacity of the autorotation gyroplane is improved;
the high-speed pre-rotation system is provided with the electromagnetic clutch, a driver can control the high-speed pre-rotation system to work through the electromagnetic clutch, when the takeoff is finished, the electromagnetic clutch is separated, the power of an engine cannot be transmitted to the rotor wing, the rotor wing can rotate by blowing relative air flow, and the working load of the engine is reduced;
third, the propulsion propeller and the rotor wing of the high-speed prerotation system provided by the utility model utilize the same engine, if the high-speed prerotation system independently uses one engine, the self weight of the autorotation rotorcraft can be greatly increased, after the takeoff is finished, the high-speed prerotation system stops working, the independently configured engine stops working, and the utilization rate of equipment is low.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic representation of the transmission system of the present invention.
Fig. 3 is a schematic structural view of embodiment 2.
In the figure: the engine is 1, the electromagnetic clutch is 2, the centrifugal clutch is 3, the transmission is 4, the rotor is 5, the rotating shaft is 51, the universal joint is 52, the pre-rotation fluted disc is 53, the rotor head is 54, the frame is 6, the propeller is 7, the propeller reducer is 71, and the commutator is 8.
Detailed Description
The following is a further description with reference to specific examples.
Example 1
A high-speed prerotation system for an autogiro, comprising: the engine comprises an engine 1, an electromagnetic clutch 2, a centrifugal clutch 3, a speed changer 4 and a rotor wing 5, wherein an output shaft of the engine 1 is connected with the electromagnetic clutch 2, a driven part of the electromagnetic clutch 2 is connected with a driving part of the centrifugal clutch 3, a driven part of the centrifugal clutch 3 is connected with an input end of the speed changer 4, and an output end of the speed changer 4 is connected with the rotor wing 5.
The transmission 4 is a continuously variable transmission.
The electromagnetic clutch 2 is controlled by an electromagnetic switch, and the electromagnetic switch is arranged on a control console of the autorotation rotorcraft.
The engine 1 is vertically disposed, and the rotor 5 includes: the transmission comprises a rotating shaft 51, a universal joint 52, a pre-rotation fluted disc 53 and a rotor head 54, wherein the rotating shaft 51 is connected with the output end of the transmission 4 through a coupler, the upper end of the rotating shaft 51 is connected with the pre-rotation fluted disc 53 through the universal joint 52, and the pre-rotation fluted disc 53 is connected with the rotor head 54.
The output shaft of the engine 1 powers a propulsion propeller 7 through a transmission system.
The transmission system includes: the output gear and the commutator 8 are coaxially arranged on an output shaft of the engine 1, one end of the commutator 8 is provided with an input gear, the input gear is meshed with the output gear, the other end of the commutator 8 is connected with a propeller reducer 71, and the output end of the propeller reducer 71 is connected with a propulsion propeller 7.
Example 2
A high-speed prerotation system for an autogiro, comprising: engine 1, electromagnetic clutch 2, centrifugal clutch 3, derailleur 4 and rotor 5, engine 1 is the double-end motor of level setting, the one end output shaft of engine 1 has electromagnetic clutch 2, electromagnetic clutch 2's follower with centrifugal clutch 3's driving part is connected, centrifugal clutch 3's follower is connected with the input of derailleur 4, the output of derailleur 4 is connected with rotor 5.
The transmission 4 is a continuously variable transmission.
The electromagnetic clutch 2 is controlled by an electromagnetic switch, and the electromagnetic switch is arranged on a control console of the autorotation rotorcraft.
The rotor 5 includes: the transmission comprises a rotating shaft 51, a universal joint 52, a pre-rotation fluted disc 53 and a rotor head 54, wherein the rotating shaft 51 is connected with the output end of the transmission 4 through a commutator 8, the upper end of the rotating shaft 51 is connected with the pre-rotation fluted disc 53 through the universal joint 52, and the pre-rotation fluted disc 53 is connected with the rotor head 54.
And an output shaft at the other end of the engine 1 is connected with a propeller reducer 71, and an output end of the propeller reducer 71 is connected with a propulsion propeller 7.
The above embodiments are merely illustrative of the principles of the present invention and its effects, and do not limit the present invention. It will be apparent to those skilled in the art that modifications and improvements can be made to the above-described embodiments without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications or changes be made by those skilled in the art without departing from the spirit and technical spirit of the present invention, and be covered by the claims of the present invention.
Claims (6)
1. A high-speed prerotation system for a rotary-wing aircraft, comprising: engine (1), electromagnetic clutch (2), centrifugal clutch (3), derailleur (4) and rotor (5), the output shaft of engine (1) is connected with electromagnetic clutch (2), the follower of electromagnetic clutch (2) with the driving piece of centrifugal clutch (3) is connected, the follower of centrifugal clutch (3) is connected with the input of derailleur (4), the output of derailleur (4) is connected with rotor (5).
2. High-speed prerotation system of an autogyro according to claim 1, characterized in that said transmission (4) is a continuously variable transmission.
3. High-speed prerotation system of an autogyro according to claim 1, characterized in that said electromagnetic clutch (2) is controlled by an electromagnetic switch provided on the control console of the autogyro.
4. High-speed prerotation system of an autogyro according to claim 1, characterized in that the output shaft of the engine (1) also powers the propulsion propellers (7) through a transmission system.
5. High-speed prerotation system of an autogyro according to claim 1, characterized in that said rotor (5) comprises: the novel propeller is characterized by comprising a rotating shaft (51), a universal joint (52), a pre-rotation fluted disc (53) and a rotor head (54), wherein the rotating shaft (51) is connected with the output end of the speed changer (4), the upper end of the rotating shaft (51) is connected with the pre-rotation fluted disc (53) through the universal joint (52), and the pre-rotation fluted disc (53) is connected with the rotor head (54).
6. High-speed prerotation system of an autogyro according to claim 1, characterized in that said engine (1) is a rotary engine, a piston engine, an electric motor or a turboshaft engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121119458.0U CN215514101U (en) | 2021-05-24 | 2021-05-24 | High-speed prerotation system of autorotation rotorcraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121119458.0U CN215514101U (en) | 2021-05-24 | 2021-05-24 | High-speed prerotation system of autorotation rotorcraft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215514101U true CN215514101U (en) | 2022-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121119458.0U Active CN215514101U (en) | 2021-05-24 | 2021-05-24 | High-speed prerotation system of autorotation rotorcraft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215514101U (en) |
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2021
- 2021-05-24 CN CN202121119458.0U patent/CN215514101U/en active Active
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