CN211943705U - Unmanned aerial vehicle screw - Google Patents
Unmanned aerial vehicle screw Download PDFInfo
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- CN211943705U CN211943705U CN201922272349.1U CN201922272349U CN211943705U CN 211943705 U CN211943705 U CN 211943705U CN 201922272349 U CN201922272349 U CN 201922272349U CN 211943705 U CN211943705 U CN 211943705U
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- servo motor
- aerial vehicle
- unmanned aerial
- propeller
- rotating shaft
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
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Abstract
The utility model discloses an unmanned aerial vehicle screw, include: the adjusting cavity comprises an air cylinder and a servo motor A connected with the air cylinder; the rotating shaft is arranged above the output end of the servo motor A and is connected with the output end of the servo motor A through a coupler; the limiting block is arranged outside the rotating shaft, is connected with the rotating shaft in a gas welding mode and is positioned above the adjusting cavity; an inner gear is arranged above the limiting block, and one end of the rotating shaft penetrates through the inner gear and extends to the upper portion of the inner gear. The propeller has the advantages that the weight of the propeller can be effectively reduced, the density of each part of the propeller is consistent, the propeller cannot deflect, and the resistance of the propeller during rotation can be effectively reduced due to the arrangement of a body mechanics structure.
Description
Technical Field
The utility model relates to a screw technical field especially relates to unmanned aerial vehicle screw.
Background
The unmanned plane is called unmanned plane for short, and is called UAV in English, and is an unmanned plane operated by radio remote control equipment and a self-contained program control device. The unmanned aerial vehicle has the advantages of flexibility, quick response, unmanned flight and low operation requirement, and is widely applied to the fields of agriculture, exploration, photography, border patrol and the like. The propeller is a device which rotates in the air by virtue of blades and converts power provided by the motor into lift force or propulsive force of an aircraft, and the propeller has very high rotating speed as high as thousands of revolutions per minute or even tens of thousands of revolutions per minute in the flying process of the unmanned aerial vehicle because the propeller needs to provide enough lift force. This requires a propeller operation of the drone.
The efficiency of unmanned aerial vehicle screw is relevant with the angle of attack, the chord length of screw, and traditional screw adopts steel preparation or rubber preforming formula to make. The solid weight of the blade is too large, the weight cannot be reduced, and the speed can be influenced. When the rubber is pressed into the blade with strong force, the density of each part is unbalanced, the deformation quantity of each part is inconsistent during high-speed rotation, serious deflection can occur, steel can rust and corrode after meeting water, the rubber can accelerate aging, and the function of the propeller is influenced; because the molding of paddle does not satisfy the body mechanics structure, can not reduce the resistance that receives effectively when rotatory, can cause the efficiency conversion to reach design theoretical value, reduced unmanned aerial vehicle's duration.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.
The utility model discloses still another purpose provides the unmanned aerial vehicle screw, has realized the weight that can effectual reduction screw, and has made every position density of paddle unanimous, can not take place the incline, and the setting of body mechanics structure can be for the effectual resistance that reduces when rotatory of paddle.
In order to achieve the above and other objects, the present invention adopts the following technical solutions:
unmanned aerial vehicle screw includes:
the adjusting cavity comprises an air cylinder and a servo motor A connected with the air cylinder;
the rotating shaft is arranged above the output end of the servo motor A and is connected with the output end of the servo motor A through a coupler;
the limiting block is arranged outside the rotating shaft, is connected with the rotating shaft in a gas welding mode and is positioned above the adjusting cavity; an inner gear is arranged above the limiting block, and one end of the rotating shaft penetrates through the inner gear and extends to the upper portion of the inner gear.
Preferably, a bearing seat is arranged above the inner gear of the unmanned aerial vehicle propeller; a speed reducer is arranged above the bearing seat, and one end of the rotating shaft penetrates through the bearing seat and extends into the speed reducer; a conical cover is arranged above the speed reducer and is in threaded connection with the bearing seat.
Preferably, the outer gear is arranged outside the inner gear of the unmanned aerial vehicle propeller, and the inner gear is meshed with the outer gear; the external gear's outside is provided with the connecting block, and the connecting block is provided with three, and three connecting block sets gradually and is connected with external gear gas welding in the outside of external gear.
Preferably, the unmanned aerial vehicle propeller is characterized in that one end of each of the three connecting blocks is provided with a propeller disc, and the propeller discs are connected with the connecting blocks in an air welding manner; one sides of the three paddle disks are provided with paddles, and one ends of the three paddles extend into the paddle disks; and one end of each paddle is provided with a driven wheel, and the driven wheel is connected with the paddle in a gas welding mode.
Preferably, the unmanned aerial vehicle propeller is characterized in that a servo motor B is arranged inside the propeller disc, and the servo motor B is connected with the propeller disc through a bracket; a connecting rod is arranged on one side of the output end of the servo motor B and is connected with the output end of the servo motor B through a coupler; one end of the connecting rod is provided with a driving wheel, and the driving wheel is joggled with the connecting rod; the driving wheel and the driven wheel are both provided with tooth rows outside and meshed and connected with each other.
Preferably, the propeller of the unmanned aerial vehicle is characterized in that a carbon fiber layer is arranged inside the blade, and a smooth resin decorative layer is formed on the outer surface of the carbon fiber layer through a single-layer carbon fiber cloth pre-soaked by resin; a hollow resin frame is arranged above the carbon fiber layer and is in fit connection with the carbon fiber layer; the surface of the hollow resin frame is provided with seven turbulence grooves, and the seven turbulence grooves are sequentially arranged on the surface of the hollow resin frame; one side of hollow resin frame is provided with the through-hole, and the through-hole is provided with threely, and the one end of three through-hole all extends to the inside of hollow resin frame.
The utility model discloses at least, include following beneficial effect:
the utility model discloses an in being arranged in the unmanned aerial vehicle screw, adjust the cylinder that intracavity portion set up through the drive, can adjust the height of screw, adapt to the use of different environment. The height of unmanned aerial vehicle is adjusted through the first rotational speed of the servo motor that the drive was adjusted intracavity portion and is set up, can drive unmanned aerial vehicle when the rotational speed of servo motor first is high and rise, can drive unmanned aerial vehicle when the first rotational speed of servo motor is low and descend. Can slow down when unmanned aerial vehicle descends through the drive reduction gear, through the servo motor second of the inside setting of drive oar dish, can change the inclination of paddle, satisfy and carry out the operation under the different wind speeds. The paddle that hollow resin frame and carbon fiber layer made can reduce the weight of paddle effectively, through the disturbed flow groove and the through-hole that set up on hollow resin frame, can reduce the air resistance that meets effectively when the screw is rotatory, improves unmanned aerial vehicle's continuation of the journey performance.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a propeller of an unmanned aerial vehicle provided by the present invention;
fig. 2 is a top view of the propeller of the unmanned aerial vehicle provided by the present invention;
fig. 3 is a connection relationship diagram of an internal gear and an external gear provided by the present invention;
fig. 4 is a schematic view of the internal structure of the paddle disk provided by the present invention;
fig. 5 is a cross-sectional view of a blade provided by the present invention.
Detailed Description
The present invention is described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description.
As shown in fig. 1, the unmanned aerial vehicle screw includes:
the adjusting cavity 1 comprises a cylinder 2 and a servo motor A3 connected with the cylinder 2;
the rotating shaft 4 is arranged above the output end of the servo motor A3 and is connected with the output end of the servo motor A3 through a coupler;
the limiting block 5 is arranged outside the rotating shaft 4, the limiting block 5 is connected with the rotating shaft 4 in a gas welding mode, and the limiting block 5 is located above the adjusting cavity 1; an inner gear 6 is arranged above the limiting block 5, and one end of the rotating shaft 4 penetrates through the inner gear 6 and extends to the upper side of the inner gear 6.
In the above scheme, the height of screw can be adjusted through the cylinder 2 that the drive was adjusted the inside setting in chamber 1, satisfies the use of different environment, adjusts the servo motor first 3 that the inside setting in chamber 1 set up through the drive and can drive pivot 4 and rotate, drives internal gear 6 and rotates then, and the position that descends when driving cylinder 2 and adjusting can effectually be avoided in setting up of stopper 5.
In a preferable scheme, a bearing seat 7 is arranged above the internal gear 6; a speed reducer 8 is arranged above the bearing seat 7, and one end of the rotating shaft 4 penetrates through the bearing seat 7 and extends into the speed reducer 8; and a conical cover 9 is arranged above the speed reducer 8, and the conical cover 9 is in threaded connection with the bearing seat 7.
In the above scheme, can descend at unmanned aerial vehicle through drive reduction gear 8, can slow down servo motor first 3 effectively for unmanned aerial vehicle descending speed accelerates and more stable, and setting up of conical cover 9 can prevent that sleet from causing the injury to reduction gear 8 when unmanned aerial vehicle is in the operation of sleet sky.
As shown in fig. 3, the unmanned aerial vehicle propeller is provided with an external gear 10 outside the internal gear 6, and the internal gear 6 is in meshing connection with the external gear 10; the outer part of the outer gear 10 is provided with three connecting blocks 11, and the three connecting blocks 11 are sequentially arranged outside the outer gear 10 and are connected with the outer gear 10 in a gas welding manner.
In the above scheme, the rotating shaft 4 is driven to rotate under the action of the servo motor A3, the inner gear 6 is also driven to rotate as the inner gear 6 and the rotating shaft 4 are connected into a whole, the inner gear 6 is meshed with the outer gear 10, and the inner gear 6 drives the outer gear 10 to rotate.
As shown in fig. 2, the unmanned aerial vehicle propeller is provided with a paddle disk 12 at one end of each of three connecting blocks 11, and the paddle disks 12 are all connected with the connecting blocks 11 in an air welding manner; one side of each of the three paddle disks 12 is provided with a paddle 13, and one end of each of the three paddles 13 extends into the paddle disk 12; one end of each of the three paddles 13 is provided with a driven wheel 18, and the driven wheels 18 and the paddles 13 are connected in a gas welding mode.
In the above scheme, can drive oar dish 12 also to rotate through connecting block 11 under the external gear 10 is rotatory, because be connected as an organic wholely between oar dish 12 and the paddle 13 to drive paddle 13 and also rotate, make unmanned aerial vehicle go up and down.
As shown in fig. 4, a servo motor b 15 is arranged inside the propeller disc 12 of the unmanned aerial vehicle, and the servo motor b 15 is connected with the propeller disc 12 through a bracket; a connecting rod 16 is arranged on one side of the output end of the servo motor B15, and the connecting rod 16 is connected with the output end of the servo motor B15 through a coupler; one end of the connecting rod 16 is provided with a driving wheel 17, and the driving wheel 17 is joggled with the connecting rod 16; the driving wheel 17 and the driven wheel 18 are both provided with tooth rows 14 on the outer portions, and the driving wheel 17 is meshed with the driven wheel 18.
In the scheme, the inclination angle of the paddle 13 can be changed by driving the servo motor B15 arranged in the paddle disc 12, the paddle disc is suitable for operation in different wind directions, when the servo motor B15 rotates clockwise, the driving wheel 17 is driven to rotate clockwise, and because the driving wheel 17 is meshed and connected with the driven wheel 18, the driven wheel 18 is driven to rotate anticlockwise, and the paddle 13 is driven to tilt forwards; when the servo motor B15 rotates anticlockwise to drive the driving wheel 17 to rotate anticlockwise, the driving wheel 17 is meshed with the driven wheel 18, so that the driven wheel 18 is driven to rotate clockwise, and the paddle 13 is driven to tilt backwards.
As shown in fig. 5, in the unmanned aerial vehicle propeller, a carbon fiber layer 20 is arranged inside the blade 13, and the carbon fiber layer 20 is subjected to resin pre-impregnated single-layer carbon fiber cloth to form a smooth resin decorative layer on the outer surface of the carbon fiber layer 20; a hollow resin frame 19 is arranged above the carbon fiber layer 20, and the hollow resin frame 19 is attached and connected with the carbon fiber layer 20; the surface of the hollow resin frame 19 is provided with seven flow disturbing grooves 21, and the seven flow disturbing grooves 21 are sequentially arranged on the surface of the hollow resin frame 19; one side of the hollow resin frame 19 is provided with three through holes 22, and one end of each of the three through holes 22 extends to the inside of the hollow resin frame 19.
In the above scheme, the blades 13 manufactured by the hollow resin frame 19 and the carbon fiber layer 20 can reduce the mass of the blades 13 to the maximum, the density of each part of the blades 13 is uniform, and the blades are not affected by rain, snow and the like, and the turbulence grooves 21 and the through holes 22 can effectively reduce the air resistance during the operation of the blades 13, thereby improving the cruising performance.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the invention, as defined by the claims and the equivalents thereof, and which fall within the limits of the claims and the equivalents thereof.
Claims (6)
1. Unmanned aerial vehicle screw, its characterized in that includes:
the adjusting cavity comprises an air cylinder and a servo motor A connected with the air cylinder;
the rotating shaft is arranged above the output end of the servo motor A and is connected with the output end of the servo motor A through a coupler;
the limiting block is arranged outside the rotating shaft, is connected with the rotating shaft in a gas welding mode and is positioned above the adjusting cavity; an inner gear is arranged above the limiting block, and one end of the rotating shaft penetrates through the inner gear and extends to the upper portion of the inner gear.
2. The unmanned aerial vehicle propeller of claim 1, wherein a bearing seat is disposed above the inner gear; a speed reducer is arranged above the bearing seat, and one end of the rotating shaft penetrates through the bearing seat and extends into the speed reducer; a conical cover is arranged above the speed reducer and is in threaded connection with the bearing seat.
3. The unmanned aerial vehicle propeller of claim 1, wherein an external gear is arranged outside the internal gear, and the internal gear is in meshed connection with the external gear; the external gear's outside is provided with the connecting block, and the connecting block is provided with three, and three connecting block sets gradually and is connected with external gear gas welding in the outside of external gear.
4. The unmanned aerial vehicle propeller of claim 3, wherein a paddle disk is arranged at one end of each of the three connecting blocks, and the paddle disks are connected with the connecting blocks in an air welding mode; one sides of the three paddle disks are provided with paddles, and one ends of the three paddles extend into the paddle disks; and one end of each paddle is provided with a driven wheel, and the driven wheel is connected with the paddle in a gas welding mode.
5. The unmanned aerial vehicle propeller of claim 4, wherein a servo motor B is arranged inside the propeller disc, and the servo motor B is connected with the propeller disc through a bracket; a connecting rod is arranged on one side of the output end of the servo motor B and is connected with the output end of the servo motor B through a coupler; one end of the connecting rod is provided with a driving wheel, and the driving wheel is joggled with the connecting rod; the driving wheel and the driven wheel are both provided with tooth rows outside and meshed and connected with each other.
6. The unmanned aerial vehicle propeller of claim 4, wherein a carbon fiber layer is arranged inside the blade, and the carbon fiber layer is subjected to resin pre-impregnated single-layer carbon fiber cloth to form a smooth resin decoration layer on the outer surface of the carbon fiber layer; a hollow resin frame is arranged above the carbon fiber layer and is in fit connection with the carbon fiber layer; the surface of the hollow resin frame is provided with seven turbulence grooves, and the seven turbulence grooves are sequentially arranged on the surface of the hollow resin frame; one side of hollow resin frame is provided with the through-hole, and the through-hole is provided with threely, and the one end of three through-hole all extends to the inside of hollow resin frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922272349.1U CN211943705U (en) | 2019-12-04 | 2019-12-04 | Unmanned aerial vehicle screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922272349.1U CN211943705U (en) | 2019-12-04 | 2019-12-04 | Unmanned aerial vehicle screw |
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| Publication Number | Publication Date |
|---|---|
| CN211943705U true CN211943705U (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922272349.1U Active CN211943705U (en) | 2019-12-04 | 2019-12-04 | Unmanned aerial vehicle screw |
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| CN (1) | CN211943705U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114435587A (en) * | 2022-01-04 | 2022-05-06 | 淄博盛世云天现代农业发展有限公司 | Unmanned aerial vehicle for fruit tree plant protection insecticide spraying and spraying method thereof |
-
2019
- 2019-12-04 CN CN201922272349.1U patent/CN211943705U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114435587A (en) * | 2022-01-04 | 2022-05-06 | 淄博盛世云天现代农业发展有限公司 | Unmanned aerial vehicle for fruit tree plant protection insecticide spraying and spraying method thereof |
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