CN220221114U - Unmanned aerial vehicle screw torque converter - Google Patents

Abstract

The utility model relates to the technical field of unmanned aerial vehicles, in particular to a propeller torque converter of an unmanned aerial vehicle, which provides power through a driving device, quickly changes, installs and removes a propeller through a connecting device and provides flying power for a machine body in cooperation with the driving device; the inclination angle of the blade is adjusted through the control device, the driving device is protected through the protection device, the influence of the external environment on the transmission of the driving device is reduced, the control device is limited through the limiting device, and the stability and the practicability of the device are improved; the device comprises a driving device, a connecting device, a control device, a protecting device and a limiting device, wherein the connecting device is arranged on the driving device, the control device is arranged on the driving device, the protecting device is arranged on the driving device, and the limiting device is arranged on the driving device and connected with the control device.

Description

Unmanned aerial vehicle screw torque converter

Technical Field

The utility model relates to the technical field of unmanned aerial vehicles, in particular to a propeller torque converter of an unmanned aerial vehicle.

Background

Unmanned aerial vehicles ("unmanned aerial vehicles"), abbreviated as "UAVs" in english, are unmanned aerial vehicles that are operated by means of radio remote control devices and self-contained program control means, or are operated autonomously, either entirely or intermittently, by a vehicle-mounted computer; along with the development unmanned aerial vehicle of science and technology widely applied to military to civilian, can battle and reconnaissance etc. in the military field, civilian big monitoring such as meteorological topography is little to agricultural prevention and cure, scenery shooting etc. in unmanned aerial vehicle, the drive mode is mainly with the screw, drives the screw through driving motor etc. rotation and produces lift and promote unmanned aerial vehicle operation, and unmanned aerial vehicle is mainly with electric power, and the screw realizes screw torque conversion through changing self paddle inclination to adjust unmanned aerial vehicle's motion.

The utility model patent in China with the application number of CN201921185170.6 relates to an automatic torque-changing mechanism of a propeller, which comprises a blade, a guide cover, a propeller seat, a propeller hub and a power device, and can automatically change the torque, thereby reducing the pneumatic efficiency.

However, the device cannot realize active torque conversion in actual use, the flight track of the unmanned aerial vehicle can be influenced according to automatic torque conversion of the rotating speed, the operation difficulty of operators is increased, and the blade can be actively adjusted to the most favorable blade attack angle under the conditions of different heights and airspeeds cannot be ensured.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a device for supplying power through a driving device, the paddles are quickly replaced, installed and disassembled through a connecting device, and the device is matched with the driving device to supply flight power for a machine body; the inclination angle of the blade is adjusted through the control device, the driving device is protected through the protection device, the influence of the external environment on the transmission of the driving device is reduced, the control device is limited through the limiting device, and the stability and the practicability of the device are improved.

The utility model relates to a propeller torque converter of an unmanned aerial vehicle; the device comprises a driving device, a connecting device, a control device, a protecting device and a limiting device, wherein the connecting device is arranged on the driving device, the control device is arranged on the driving device, the protecting device is arranged on the driving device, and the limiting device is arranged on the driving device and connected with the control device; the driving device is used for providing power, the connecting device is used for quickly replacing, mounting and dismounting the paddles, and the driving device is matched for providing flight power for the fuselage; the inclination angle of the blade is adjusted through the control device, the driving device is protected through the protection device, the influence of the external environment on the transmission of the driving device is reduced, the control device is limited through the limiting device, and the stability and the practicability of the device are improved.

Preferably, the driving device comprises an unmanned aerial vehicle body, a speed changer, a motor, a transmission shaft and a propeller hub, wherein the speed changer and the motor are arranged on the lower end face of the unmanned aerial vehicle body, the output end of the motor is connected with the input end of the speed changer, the output end of the speed changer penetrates through the upper end face of the unmanned aerial vehicle body to be connected with the transmission shaft, the propeller hub is connected with the upper end face of the transmission shaft, and the connecting device is arranged on the propeller hub; the motor is started to transmit power to the transmission shaft and the hub through the transmission, and the hub is driven to rotate, so that flying power is provided for the unmanned aerial vehicle.

Preferably, the connecting device comprises a rotating seat, connecting rods, cross grooves, paddles and cross connecting blocks, wherein a plurality of groups of connecting rods are connected to the side surface of the paddle hub through a plurality of groups of rotating seats, the moving end of each connecting rod is provided with a cross groove, and the connecting end of each paddle is provided with a cross connecting block; the cross connecting block and the cross groove are connected through bolts, after the cross groove and the cross connecting block are connected through the form of the cross connecting block, the relative shaking amplitude is small in the working process, the connecting rod and the blade can rotate through the rotating seat, and the inclination angle of the blade can be adjusted by the control device conveniently.

Preferably, the control device comprises an upper circular ring, a lower circular ring, a supporting plate, a half wheel, gear teeth, a gear motor, a gear, a driving rotating shaft, a first driving rod, a second driving rod and a connecting plate, wherein the upper end face of the lower circular ring is connected with the upper circular ring, the upper circular ring can rotate on the lower circular ring and incline along with the upper circular ring when the lower circular ring inclines, through holes are formed in the middle parts of the upper circular ring and the lower circular ring, the transmission shaft penetrates through the through holes of the upper circular ring and the lower circular ring and is not contacted with the through holes of the upper circular ring, the supporting plate is respectively arranged on the left part and the right part of the upper end face of the unmanned aerial vehicle body, the half wheel is arranged on the supporting plate through the rotating shaft, the gear teeth are arranged on the cambered surface of the half wheel, the side face edge of the half wheel is connected with the first driving rod through the driving rotating shaft, the upper part of the first driving rod is respectively connected with the lower end face of the lower circular ring through a group of the supporting frame, the gear is connected with the output end of the gear motor, the gear is meshed and connected with the upper end face of the second driving rod through the connecting rod; the gear motor is started and the forward and reverse rotation of the gear motor is controlled, so that power is transmitted to the half wheel through the meshing of the gear and the gear teeth, the half wheel is driven to rotate to change the height of the driving rotating shaft, the first driving rod is lifted or pulls the lower ring downwards, the inclined state of the lower ring is changed, the lower ring is inclined and then drives the upper ring to incline, and the connecting rod is pulled through the second driving rod and the connecting plate to rotate forward or reversely, so that the inclination angle of the blade is changed, and the effect of actively changing the inclination angle of the blade, namely actively controlling the torque conversion of the blade is achieved.

Preferably, the protection device comprises a rotary rubber cover and a fixed rubber cover, wherein the fixed rubber cover is connected between the upper end face of the unmanned aerial vehicle body and the side face of the lower circular ring, and the rotary rubber cover is connected between the lower end face of the propeller hub and the upper end face of the upper circular ring; the fixed rubber cover wraps the structural part between the lower circular ring and the unmanned aerial vehicle body, the influence of the external environment on the device operation is reduced, the transmission shaft is wrapped through the rotary rubber cover, the influence of external sundries on the rotation of the transmission shaft is prevented, and the practicability of the device is improved.

Preferably, the limiting device comprises a ball seat, a limiting rod and a limiting sleeve, wherein a plurality of groups of ball seats are arranged on the lower end face of the lower circular ring, a plurality of groups of limiting sleeves are arranged on the upper end face of the unmanned aerial vehicle body, the plurality of groups of limiting sleeves and the plurality of groups of ball seats are respectively and vertically corresponding to the same straight line perpendicular to the upper end face of the unmanned aerial vehicle body, the rotating end of the ball seat is connected with the limiting rod, and the lower part of the limiting rod is inserted into the limiting sleeve; the ball seat is fixed in position in the horizontal direction by inserting the limiting rod into the limiting sleeve, so that the horizontal position of the lower circular ring cannot change in an inclined state, the lower circular ring is prevented from colliding with the upper circular ring and the transmission shaft, and the practicability of the device is improved.

Compared with the prior art, the utility model has the beneficial effects that: the driving device is used for providing power, the connecting device is used for quickly replacing, mounting and dismounting the paddles, and the driving device is matched for providing flight power for the fuselage; the inclination angle of the blade is adjusted through the control device, the driving device is protected through the protection device, the influence of the external environment on the transmission of the driving device is reduced, the control device is limited through the limiting device, and the stability and the practicability of the device are improved.

Drawings

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is a schematic elevational view of the present utility model;

FIG. 3 is a schematic illustration of an isometric construction of a connection device;

FIG. 4 is a schematic diagram of an isometric structure of a control device;

the reference numerals in the drawings: 1. an upper circular ring; 2. a lower circular ring; 3. an unmanned aerial vehicle body; 4. a transmission; 5. a motor; 6. a transmission shaft; 7. a hub; 8. a rotating seat; 9. a connecting rod; 10. a cross groove; 11. a paddle; 12. a cross connecting block; 13. a support plate; 14. a half wheel; 15. gear teeth; 16. a speed reducing motor; 17. a gear; 18. driving the rotating shaft; 19. a first driving lever; 20. a second driving lever; 21. a connecting plate; 22. rotating the rubber cover; 23. fixing the rubber cover; 24. a ball seat; 25. a limit rod; 26. and a limit sleeve.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

The connecting device, the control device and the protection device shown in figures 1, 2, 3 and 4 are all arranged on the driving device;

firstly, part of transmission components are protected through a fixed rubber cover 23 and a rotary rubber cover 22 in the flying process, a motor 5 is started to transmit power to a transmission shaft 6 and a propeller hub 7 through a transmission 4, the propeller hub 7 is driven to rotate with a blade 11 connected with the propeller hub 7, flying power is provided for an unmanned aerial vehicle main body, in the flying process, a gear motor 16 is started and forward and reverse rotation of the gear motor 16 is controlled, so that the power is transmitted to a half wheel 14 through meshing of a gear 17 and gear teeth 15, the half wheel 14 is driven to rotate to change the height of a driving rotating shaft 18, a first driving rod 19 is enabled to lift or pull a lower ring 2 downwards, the inclined state of the lower ring 2 is changed, the lower ring 2 is driven to incline and then the upper ring 1 is driven to incline, and a connecting rod 9 is driven to rotate forwards or reversely through a second driving rod 20 and a connecting plate 21, the inclination angle of the blade 11 is changed, and the blade 11 can change torque in the flying process;

the driving device comprises an unmanned aerial vehicle body 3, a speed changer 4, a motor 5, a transmission shaft 6 and a propeller hub 7, wherein the speed changer 4 and the motor 5 are installed on the lower end face of the unmanned aerial vehicle body 3, the output end of the motor 5 is connected with the input end of the speed changer 4, the output end of the speed changer 4 penetrates through the upper end face of the unmanned aerial vehicle body 3 to be connected with the transmission shaft 6, the propeller hub 7 is connected with the upper end face of the transmission shaft 6, and a connecting device is installed on the propeller hub 7;

the connecting device comprises a rotating seat 8, connecting rods 9, cross grooves 10, blades 11 and cross connecting blocks 12, wherein a plurality of groups of connecting rods 9 are connected to the side surface of the hub 7 through a plurality of groups of rotating seats 8, the moving end of each connecting rod 9 is provided with a cross groove 10, and the connecting end of each blade 11 is provided with a cross connecting block 12;

the control device comprises an upper circular ring 1, a lower circular ring 2, a supporting plate 13, a half wheel 14, gear teeth 15, a gear motor 16, a gear 17, a driving rotating shaft 18, a first driving rod 19, a second driving rod 20 and a connecting plate 21, wherein the upper end face of the lower circular ring 2 is connected with the upper circular ring 1, the upper circular ring 1 can rotate on the lower circular ring 2 and the upper circular ring 1 inclines along with the inclination when the lower circular ring 2 inclines, through holes are formed in the middle parts of the upper circular ring 1 and the lower circular ring 2, a transmission shaft 6 passes through the through holes of the upper circular ring 1 and the lower circular ring 2 and is not contacted with the through holes, the supporting plate 13 is respectively arranged on the left part and the right part of the upper end face of an unmanned aerial vehicle body 3, the half wheel 14 is arranged on the supporting plate 13 through the rotating shaft, the gear teeth 15 are arranged on the cambered surface of the half wheel 14, the side face of the half wheel 14 is connected with the first driving rod 19 through the driving rotating shaft 18, the upper part of the first driving rod 19 is connected with the lower end face of the lower circular ring 2 through a bracket and the rotating shaft, a group of the gear 16 is respectively arranged on the left and right part of the upper end face of the unmanned aerial vehicle body 3 through the supporting frame, the gear 16 is connected with the second driving rod 20 through the gear 17, and the second connecting plate 20 is respectively connected with the left end face of the second driving rod 20 through the upper end face of the driving rod 20;

the protection device comprises a rotary rubber cover 22 and a fixed rubber cover 23, wherein the fixed rubber cover 23 is connected between the upper end face of the unmanned aerial vehicle body 3 and the side face of the lower circular ring 2, and the rotary rubber cover 22 is connected between the lower end face of the propeller hub 7 and the upper end face of the upper circular ring 1;

the driving device is used for providing power, the connecting device is used for quickly replacing, mounting and dismounting the paddles, and the driving device is matched for providing flight power for the fuselage; the inclination angle of the blade is adjusted through the control device, the driving device is protected through the protection device, and the influence of the external environment on the transmission of the driving device is reduced.

Example 2

The improvement on the first embodiment comprises a limiting device;

the control device is limited by the limiting device, so that the stability and the practicability of the device are improved;

the ball seat 24 is fixed in position in the horizontal direction by inserting the limiting rod 25 into the limiting sleeve 26, so that the horizontal position of the lower circular ring 2 is not changed in an inclined state, the collision between the lower circular ring 2 and the upper circular ring 1 and the transmission shaft 6 is prevented, and the practicability of the device is improved;

the limiting device comprises a ball seat 24, a limiting rod 25 and a limiting sleeve 26, wherein a plurality of groups of ball seats 24 are arranged on the lower end face of the lower circular ring 2, a plurality of groups of limiting sleeves 26 are arranged on the upper end face of the unmanned aerial vehicle body 3, the plurality of groups of limiting sleeves 26 and the plurality of groups of ball seats 24 are respectively corresponding to the same straight line perpendicular to the upper end face of the unmanned aerial vehicle body 3 from top to bottom, the rotating end of the ball seat 24 is connected with the limiting rod 25, and the lower part of the limiting rod 25 is inserted into the limiting sleeve 26.

As shown in fig. 1 to 4, when the unmanned aerial vehicle propeller torque converter device of the utility model works, firstly, part of transmission parts are protected through the fixed rubber cover 23 and the rotary rubber cover 22 in the flying process, the motor 5 is started to transmit power to the transmission shaft 6 and the propeller hub 7 through the transmission 4, the propeller hub 7 is driven to rotate with the propeller blade 11 connected with the propeller hub 7, flying power is provided for an unmanned aerial vehicle main body, the unmanned aerial vehicle main body is inserted into the limit sleeve 26 through the limit rod 25, and the ball seat 24 is fixed in the horizontal direction, so that the horizontal position of the lower circular ring 2 is not changed in an inclined state; in the flying process, the gear motor 16 is started and the forward and reverse rotation of the gear motor 16 is controlled, so that power is transmitted to the half wheel 14 through the meshing of the gear 17 and the gear teeth 15, the half wheel 14 is driven to rotate to change the height of the driving rotating shaft 18, the first driving rod 19 is lifted or pulled downwards to change the inclined state of the lower ring 2, the lower ring 2 is inclined to drive the upper ring 1 to incline, and the connecting rod 9 is pulled to rotate forward or reversely through the second driving rod 20 and the connecting plate 21, so that the inclination angle of the blade 11 is changed, and the blade 11 is enabled to change torque in the flying process.

The transmission 4, the motor 5, the gear motor 16, the upper ring 1 and the lower ring 2 of the unmanned aerial vehicle propeller torque converter are purchased in the market, and a person skilled in the art only needs to install and operate according to the attached use instruction without creative labor of the person skilled in the art.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (6)

1. An unmanned aerial vehicle propeller torque converter; the device is characterized by comprising a driving device, a connecting device, a control device, a protecting device and a limiting device, wherein the connecting device is arranged on the driving device, the control device is arranged on the driving device, the protecting device is arranged on the driving device, and the limiting device is arranged on the driving device and connected with the control device.

2. The unmanned aerial vehicle propeller torque converter according to claim 1, wherein the driving device comprises an unmanned aerial vehicle body (3), a transmission (4), a motor (5), a transmission shaft (6) and a propeller hub (7), the transmission (4) and the motor (5) are installed on the lower end face of the unmanned aerial vehicle body (3), the output end of the motor (5) is connected with the input end of the transmission (4), the output end of the transmission (4) penetrates through the upper end face of the unmanned aerial vehicle body (3) to be connected with the transmission shaft (6), the upper end face of the transmission shaft (6) is connected with the propeller hub (7), and the connecting device is installed on the propeller hub (7).

3. The unmanned aerial vehicle propeller torque converter according to claim 2, wherein the connecting device comprises a rotating seat (8), connecting rods (9), cross grooves (10), blades (11) and cross connecting blocks (12), a plurality of groups of connecting rods (9) are connected to the side face of the hub (7) through a plurality of groups of rotating seats (8), cross grooves (10) are formed in the moving ends of the connecting rods (9), and the cross connecting blocks (12) are arranged at the connecting ends of the blades (11).

4. The unmanned aerial vehicle propeller torque converter according to claim 2, wherein the control device comprises an upper circular ring (1), a lower circular ring (2), a supporting plate (13), a half wheel (14), gear teeth (15), a gear (16), a gear (17), a driving rotating shaft (18), a first driving rod (19), a second driving rod (20) and a connecting plate (21), wherein the upper end face of the lower circular ring (2) is connected with the upper circular ring (1), the upper circular ring (1) can rotate on the lower circular ring (2) and the upper circular ring (1) follows the inclination when the lower circular ring (2) inclines, through holes are formed in the middle parts of the upper circular ring (1) and the lower circular ring (2), a transmission shaft (6) penetrates through the through holes of the upper circular ring (1) and the lower circular ring (2) and is not contacted with the through holes, the supporting plate (13) is respectively arranged on the left part and the right part on the upper end face of the unmanned aerial vehicle body (3), the half wheel (14) is arranged on the supporting plate (13) through the rotating shaft, the gear teeth (15) are arranged on the cambered surface of the half wheel (14), the half wheel (14) is connected with the first end face of the lower circular ring (19) through the driving rod (19) through the first driving rod, a group of gear motors (16) are respectively installed on the left and right sides of the upper end face of the unmanned aerial vehicle body (3) through a supporting frame, a gear (17) is connected to the output end of each gear motor (16), the gear (17) is connected with gear teeth (15) in a meshed mode, a group of second driving rods (20) are respectively installed on the left and right sides of the upper end face of each second driving rod (20), and the upper portions of the second driving rods (20) are connected with the side faces of the connecting rods (9) through connecting plates (21).

5. The unmanned aerial vehicle propeller torque converter according to claim 2, wherein the protection device comprises a rotary rubber cover (22) and a fixed rubber cover (23), the fixed rubber cover (23) is connected between the upper end face of the unmanned aerial vehicle body (3) and the side face of the lower circular ring (2), and the rotary rubber cover (22) is connected between the lower end face of the propeller hub (7) and the upper end face of the upper circular ring (1).

6. The unmanned aerial vehicle screw torque converter according to claim 2, wherein the limiting device comprises a ball seat (24), a limiting rod (25) and a limiting sleeve (26), a plurality of groups of ball seats (24) are arranged on the lower end face of the lower circular ring (2), a plurality of groups of limiting sleeves (26) are arranged on the upper end face of the unmanned aerial vehicle body (3), the plurality of groups of limiting sleeves (26) and the plurality of groups of ball seats (24) are vertically and correspondingly arranged on a straight line perpendicular to the upper end face of the unmanned aerial vehicle body (3) one by one, the limiting rod (25) is connected to the rotating end of the ball seat (24), and the lower part of the limiting rod (25) is inserted into the limiting sleeve (26).