CN211810210U

CN211810210U - Pre-rotor device of autorotation rotor aircraft

Info

Publication number: CN211810210U
Application number: CN201922156746.2U
Authority: CN
Inventors: 徐斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-10-30
Anticipated expiration: 2029-12-05

Abstract

The utility model relates to an aircraft field provides a rotation gyroplane's pre-rotary wing device, including rotor installation chuck, be fixed with under the rotor installation chuck from the driving wheel, the rotor installation clamp has the pivot, and the pivot is passed and is connected gradually fixed plate and mounting bar from the driving wheel, and rotor installation chuck can rotate in the pivot from the driving wheel, still is connected with the action wheel that is equipped with motor drive on the fixed plate, action wheel and from being equipped with the belt between the driving wheel, motor drive, action wheel, from a belt transmission system of driving wheel and belt constitution. The motor works to drive the driven wheel to rotate, and the rotor wing mounting chuck also rotates. The utility model discloses when rotation gyroplane takes off, can carry out prewhirl to the rotor, reach its speed that just reaches to take off very fast, the runway's that takes off distance that has significantly reduced, and simplified the pilot operation process of taking off greatly, reduced loaded down with trivial details of operation, saved the training time, prewhirl starts softly, low power consumption, the rotational speed is fast.

Description

Pre-rotor device of autorotation rotor aircraft

Technical Field

The utility model relates to an aircraft field, especially a rotation rotor aircraft.

Background

The autorotation rotorcraft is a rotorcraft which generates lift force by blowing the autorotation of a rotor wing by utilizing relative airflow during forward flight, and the forward power of the autogyro is directly provided by a propeller driven by an engine. The inventor finds in research that the existing autogyro needs a long takeoff runway, usually about 200 meters, so that the autogyro needs a certain length runway for starting. Since the starting skill of the self-rotating rotary-wing aircraft is very critical, the take-off operation of pilots is complicated due to the long starting distance required, the required skill is relatively high, and especially the training of new trainees needs to be strengthened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotation gyroplane's rotor device in advance can carry out the prewhirl to the rotor, has reduced the distance of runway of taking off, and has simplified the pilot operation process of taking off greatly to solve the problem that proposes among the above-mentioned background art.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a rotation gyroplane's rotor device in advance, including rotor installation chuck, characterized by rotor installation chuck is fixed with down from the driving wheel, rotor installation clamp has the pivot, the pivot is passed and is connected with fixed plate and mounting bar from the driving wheel in proper order, rotor installation chuck can rotate in the pivot from the driving wheel, still be connected with motor drive's action wheel on the fixed plate, action wheel and from being equipped with the belt between the driving wheel, motor drive, the action wheel, from a belt transmission system of driving wheel and belt constitution. The motor works to drive the driven wheel to rotate, and the rotor wing mounting chuck also rotates. The utility model discloses when rotation gyroplane takes off, can carry out prewhirl to the rotor, reach its speed that just reaches to take off very fast, the greatly reduced distance of runway that takes off. By adopting the structure of the utility model, the starting distance is usually between 20 and 40 meters, thereby greatly reducing the length of the takeoff runway and ensuring the use in the short occasion of the runway. When the autorotation rotor aircraft takes off, the motor stops working.

The utility model adopts belt pulley transmission, which can relax the load impact; the belt pulley transmission has stable operation, low noise and low vibration; the belt pulley transmission has simple structure and convenient adjustment; the belt pulley transmission has the function of overload protection; the center distance adjusting range of the two shafts driven by the belt pulley is large.

When the motor transmission device is specifically implemented, the rotating shaft of the motor transmission device is connected with the driving wheel through the one-way coupler. The unidirectional coupling ensures that the motor can output in positive rotation and does not output in negative rotation.

When the motor transmission device is specifically implemented, the rotating shaft of the motor transmission device is provided with the one-way bearing. A one-way bearing is one that is free to rotate in one direction and locks in the other direction. One-way bearings are also known as overrunning clutches. The metal shell of the one-way bearing contains a plurality of rollers, needles or balls, and the shape of the rolling seat enables the one-way bearing to roll only in one direction, and generates great resistance in the other direction.

When the belt tensioning device is specifically implemented, the belt tensioning device is arranged on the belt, and the tensioning mechanism is fixed on the fixing plate.

When the tensioning device is specifically implemented, the tensioning device is a tensioning wheel, the fixing plate is provided with an adjusting groove, the screw rod penetrates through the tensioning wheel and the adjusting groove, and the tensioning wheel is fixed on the fixing plate through the screw rod through the nut.

When the motor transmission device is specifically implemented, the motor transmission device comprises a motor and a gearbox, and the motor drives the driving wheel to rotate through the gearbox.

When the self-rotating rotorcraft is used, the self-rotating rotorcraft further comprises an electronic speed regulator, a microcomputer controller, a lithium battery and the like, wherein the lithium battery provides power for the motor, the microcomputer controller is used, the one-key starting motor is automatically powered off after the set time is 20-30 seconds, and the highest rotor rotation speed is reached, and the self-rotating rotorcraft is characterized in that the rotor always keeps automatic rotation in flight and cannot be powered to intervene. Push away the throttle fast afterwards and take off owing to rotate fast in advance, normal ground clearance 240 supplyes one 270 revolutions/minute, so shortened the distance of taking off greatly, consequently the utility model discloses pilot's operation process of taking off has been simplified greatly, and the loaded down with trivial details of the operation that has significantly reduced has saved training time, and the start-up of prewhirl is soft, low power consumption, and the rotational speed is fast.

The utility model has the advantages that: the utility model discloses when rotation gyroplane takes off, can carry out prewhirl to the rotor, reach its speed that just reaches to take off very fast, the runway's that takes off distance that has significantly reduced, and simplified the pilot operation process of taking off greatly, the loaded down with trivial details of the operation that has significantly reduced has saved the training time, and the prewhirl starts softly, and low power consumption, the rotational speed is fast.

Drawings

Fig. 1 is a schematic front view of an embodiment of the present invention;

fig. 2 is a schematic top view of an embodiment of the present invention;

fig. 3 is a schematic perspective view of the embodiment of the present invention in one direction;

fig. 4 is a schematic perspective view of another direction according to an embodiment of the present invention.

The figures are numbered: the rotary wing mounting device comprises a rotor wing mounting chuck 1, a driven wheel 2, a rotating shaft 21, a belt 22, a fixing plate 3, a tension wheel 31, an adjusting groove 32, a mounting strip 4, a driving wheel 5, a rotating shaft 51, a motor 6 and a gearbox 61.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

With reference to fig. 1-4, a pre-rotor device of a self-rotating rotorcraft comprises a rotor installation chuck 1, and is characterized in that a driven wheel 2 is fixed below the rotor installation chuck 1, a rotating shaft 21 is arranged below the rotor installation chuck 1, the rotating shaft 21 penetrates through the driven wheel 2 and is sequentially connected with a fixed plate 3 and a mounting strip 4, the rotor installation chuck 1 and the driven wheel 2 can rotate on the rotating shaft 21, a driving wheel 5 provided with a motor transmission device is further connected to the fixed plate 3, a gearbox 61 is connected to a motor 6, and the motor 6 drives the driving wheel 5 to rotate through the gearbox 61. The motor transmission device comprises a motor 6 and a gearbox 61, and the motor 6 drives the driving wheel 5 to rotate through the gearbox 61. A belt 22 is arranged between the driving wheel 5 and the driven wheel 2, and the motor transmission device, the driving wheel 5, the driven wheel 2 and the belt 22 form a belt transmission system. The belt 22 is provided with a tensioning device which is fixed on the fixing plate 3. The tensioning device is a tensioning wheel 31, the fixing plate 3 is provided with an adjusting groove 32, the screw rod penetrates through the tensioning wheel 31 and the adjusting groove 32, and the tensioning wheel 31 is fixed on the fixing plate 3 through the screw rod by a nut. The rotating shaft 51 of the motor transmission device is provided with a one-way bearing. A one-way bearing is one that is free to rotate in one direction and locks in the other direction.

The motor 6 works to drive the driven wheel 2 to rotate, and the rotor wing mounting chuck 1 also rotates. The utility model discloses when rotation gyroplane takes off, can carry out prewhirl to the rotor, reach its speed that just reaches to take off very fast, the greatly reduced distance of runway that takes off. By adopting the structure of the utility model, the starting distance is usually between 20 and 40 meters, thereby greatly reducing the length of the takeoff runway and ensuring the use in the short occasion of the runway. After the autogyro takes off, the motor 6 stops working. The embodiment of the utility model uses the high-efficiency DC motor, which has small volume and high power; the high-speed motor is combined with the gear reducer, so that the output torque is large, the rotor can be driven to 200 and 300 rotations or so, and the ideal takeoff speed is realized. The electric prerotation system comprises a direct current motor 6, a gearbox, an electronic speed regulator, a microcomputer controller, a transmission belt wheel, a belt 22, a one-way bearing, a belt tensioning wheel 31, a lithium battery and a rotor head assembly. By using a microcomputer controller, the motor is started by one key for 20-30 seconds, and the power is automatically cut off after the highest rotary wing rotating speed is reached. Then, the large accelerator is quickly pushed to take off, because the pre-rotation speed is high (the normal ground-off rotation speed is 240 plus 270 revolutions per minute), the take-off distance is greatly shortened, so the pre-rotation system greatly simplifies the take-off operation process of a pilot, and the pre-rotation system controlled by a microcomputer has no complexity in operation, saves the training time, and has soft pre-rotation starting, low power consumption and high rotation speed.

The above only is the preferred embodiment of the present invention, not therefore the limit the patent protection scope of the present invention, all applications the equivalent structure transformation made by the contents of the specification and the drawings of the present invention is directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. The utility model provides a rotation gyroplane's rotor device in advance, including rotor installation chuck, characterized by rotor installation chuck is fixed with down from the driving wheel, rotor installation clamp has the pivot, the pivot is passed and is connected with fixed plate and mounting bar from the driving wheel in proper order, rotor installation chuck can rotate in the pivot from the driving wheel, still be connected with motor drive's action wheel on the fixed plate, action wheel and from being equipped with the belt between the driving wheel, motor drive, the action wheel, from a belt transmission system of driving wheel and belt constitution.

2. A pre-rotor apparatus for a rotary-wing aircraft according to claim 1, wherein: the rotating shaft of the motor transmission device is connected with the driving wheel through a one-way coupling.

3. A pre-rotor apparatus for a rotary-wing aircraft according to claim 1, wherein: the rotating shaft of the motor transmission device is provided with a one-way bearing.

4. A pre-rotor apparatus for a rotary-wing aircraft according to claim 1, wherein: the belt is provided with a tensioning device, and the tensioning device is fixed on the fixing plate.

5. A pre-rotor apparatus for a rotary-wing aircraft according to claim 4, wherein: the tension device is a tension wheel, the fixing plate is provided with an adjusting groove, the screw rod penetrates through the tension wheel and the adjusting groove, and the tension wheel is fixed on the fixing plate through the screw rod through a nut.

6. A pre-rotor apparatus for a rotary-wing aircraft according to claim 1, wherein: the motor transmission device comprises a motor and a gearbox, and the motor drives the driving wheel to rotate through the gearbox.