CN108561515A - A kind of unmanned plane power drive mechanism - Google Patents
A kind of unmanned plane power drive mechanism Download PDFInfo
- Publication number
- CN108561515A CN108561515A CN201810776181.5A CN201810776181A CN108561515A CN 108561515 A CN108561515 A CN 108561515A CN 201810776181 A CN201810776181 A CN 201810776181A CN 108561515 A CN108561515 A CN 108561515A
- Authority
- CN
- China
- Prior art keywords
- driving wheel
- belt
- transmission
- main shaft
- unmanned plane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D35/00—Transmitting power from power plant to propellers or rotors; Arrangements of transmissions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/18—Means for guiding or supporting belts, ropes, or chains
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0863—Finally actuated members, e.g. constructional details thereof
- F16H2007/0865—Pulleys
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The present invention discloses a kind of unmanned plane power drive mechanism, including three-level transmission mechanism, the first order transmission mechanism includes the first driving wheel for connecting engine output shaft, connects the second driving wheel of mast, and first driving wheel drives second driving wheel and mast to rotate synchronously by the first transmission belt；The second level transmission mechanism includes the third driving wheel for connecting mast, connects the 4th driving wheel of radiator fan main shaft, and the third driving wheel drives the 4th driving wheel and radiator fan main shaft to rotate synchronously by second transmission belt；The third level transmission mechanism includes the 5th driving wheel for connecting radiator fan main shaft, connects the 6th driving wheel of tail-rotor main shaft, and the 5th driving wheel drives the 6th driving wheel and tail-rotor main shaft to rotate synchronously by third transmission belt.The configuration of the present invention is simple, transmission efficiency, failure rate of machinery are low.
Description
Technical field
The present invention relates to unmanned plane fields, and in particular to a kind of unmanned plane power drive mechanism.
Background technology
In recent years, with the rise of unmanned plane and the fast development of related model plane and unmanned plane field technology, nobody
Machine is also applied in more and more occasions；In the process, more and more masses also start to contact unmanned plane, from this nothing
It is man-machine to have entered into common people's entertainment field from profession, scientific research field.
Unmanned plane press application field, can be divided into it is military with it is civilian, wherein military unmanned air vehicle includes plant protection drone；Plant protection
Unmanned plane has many advantages such as low cost, low-loss, zero injures and deaths, reusable and height be motor-driven, focuses in agriculturally performance
Big effect, such as sowing, sprinkling and insect prevention etc. play great effect；However the power transmissioning part of plant protection drone
Point it is the important component of unmanned plane, the existing powerdriven major way of plant protection drone is to pass through engine output shaft
Come what is completed, the installation site requirement of the structure is relatively high for connection clutch, shaft coupling and gear, and each component connection is tight
Close, assembly difficulty is big to causing, and complete machine when work shakes big problem, and the structure failure rate is relatively high, safeguards
Cost of upkeep is larger.
Invention content
Goal of the invention：Present invention aims in view of the deficiencies of the prior art, provide a kind of unmanned plane power drive mechanism
Technical solution：A kind of unmanned plane power drive mechanism of the present invention, including three-level transmission mechanism, the first order transmission
Mechanism includes the first driving wheel for connecting engine output shaft, connects the second driving wheel of mast, and connection described the
First transmission belt of one driving wheel and the second driving wheel, the engine output shaft drives the first driving wheel rotation, described
First driving wheel drives second driving wheel and mast to rotate synchronously by the first transmission belt；
The second level transmission mechanism includes the third driving wheel for connecting mast, connects the 4th transmission of radiator fan main shaft
Wheel, and the second transmission belt of the third driving wheel and the 4th driving wheel is connected, the mast drives the third to pass
Wheel rotation, the third driving wheel drive the 4th driving wheel synchronous with radiator fan main shaft by second transmission belt
Rotation；
The third level transmission mechanism includes the 5th driving wheel for connecting radiator fan main shaft, connects the 6th transmission of tail-rotor main shaft
Wheel, and connection the 5th driving wheel and the 6th driving wheel third transmission belt, the radiator fan main shaft drives described the
Five driving wheels rotate, and the 5th driving wheel drives the 6th driving wheel is synchronous with tail-rotor main shaft to turn by third transmission belt
It is dynamic.
In order to improve the stability of transmission mechanism, the driving wheel of transmission mechanisms at different levels is circle-arc tooth belt pulley, at different levels
The transmission belt of transmission mechanism is the belt to match with each circle-arc tooth belt pulley.
Preferably, first driving wheel and the second driving wheel use 8M circle-arc tooth belt pulleys.
Preferably, the first order tensioner for adjusting the belt relaxation is provided on the belt of the first order transmission mechanism
Mechanism.
Preferably, the third driving wheel and the 4th driving wheel use 5M circle-arc tooth belt pulleys.
Preferably, the second level tensioner for adjusting the belt relaxation is provided on the belt of the second level transmission mechanism
Mechanism.
Preferably, the 5th driving wheel and the 6th driving wheel use 5M circle-arc tooth belt pulleys.
Preferably, the guiding mechanism for adjusting the belt direction is provided on the belt of the third level transmission mechanism.
Preferably, the mast, radiator fan main shaft and tail-rotor main shaft are all made of the 30CrMnSiA boats after heat treatment
Empty material is made.
Advantageous effect：（1）Mast, radiator fan main shaft and the tail-rotor main shaft of power drive mechanism in the present invention it
Between power transmission carry out power transmission by the belt connection of belt pulley and high intensity, high tenacity, such structure design is very
Reduce the vibration for bringing entire unmanned plane by engine work in big degree, improve the stability of whole unmanned plane and reduces aircraft
The part fatigue strength of last parts；Therefore, the present invention has the advantages that transmission efficiency, failure rate are low etc.；
（2）The present invention in the assembling process of unmanned plane power drive mechanism by between belt pulley increase have tension mechanism and
Guiding mechanism, wherein tension mechanism can keep tensile force of the belt in transmission process, to avoid belt slippage；Tensioner machine
The error generated in the assembling process of unmanned plane power drive mechanism can be adjusted in the combination of structure and guiding mechanism, have
Certain fault-tolerance, to which the present invention has stronger stability.
Description of the drawings
Fig. 1 is the structural schematic diagram of transmission mechanism of the present invention；
Fig. 2 is the front view of transmission mechanism of the present invention；
Wherein, 1- engine output shafts；The first driving wheels of 11-；The first transmission belts of 12-；2- masts；The second driving wheels of 21-；
22- third driving wheels；The second transmission belts of 23-；3- radiator fan main shafts；The 5th driving wheels of 31-；The 4th driving wheels of 32-；33-
Three transmission belts；4- tail-rotor main shafts；The 6th driving wheels of 41-；5- first order tension mechanisms；The second level 6- tension mechanism；7- Guiding machines
Structure.
Specific implementation mode
Technical solution of the present invention is described in detail below by attached drawing, but protection scope of the present invention is not limited to
The embodiment.
Embodiment：A kind of unmanned plane power drive mechanism, 1 and Fig. 2 is it is found that the present invention includes three-level driver with reference to the accompanying drawings
Structure, first order transmission mechanism include the first driving wheel 11 for connecting engine output shaft 1, connect the second transmission of mast 2
Wheel 21, and the first transmission belt 12 of the first driving wheel 11 and the second driving wheel 21 is connected, engine output shaft 1 drives first to pass
Driving wheel 11 rotates, and the first driving wheel 11 and the second driving wheel 21 use 8M circle-arc tooth belt pulleys, and the first driving wheel 11 passes through the
One transmission belt 12 drives the second driving wheel 21 and mast 2 to rotate synchronously, on the first transmission belt 12 of first order transmission mechanism
It is provided with the first order tension mechanism 5 for adjusting 12 relaxation of the first transmission belt；
Second level transmission mechanism includes the third driving wheel 22 for connecting mast 2, the 4th transmission of connection radiator fan main shaft 3
Wheel 32, and the second transmission belt 21 of third driving wheel 22 and the 4th driving wheel 32 is connected, mast 2 drives third driving wheel
22 rotations, third driving wheel 22 drive the 4th driving wheel 32 and radiator fan main shaft 3 to rotate synchronously by the second transmission belt 23, the
Three driving wheels 22 and the 4th driving wheel 32 use 5M circle-arc tooth belt pulleys, are set on the second transmission belt 21 of second level transmission mechanism
It is equipped with the second level tension mechanism 6 for adjusting 21 relaxation of the second transmission belt；
Third level transmission mechanism includes the 5th driving wheel 31 for connecting radiator fan main shaft 3, the 6th transmission of connection tail-rotor main shaft 4
Wheel 41, and the third transmission belt 33 of the 5th driving wheel 31 and the 6th driving wheel 41 is connected, radiator fan main shaft 3 drives the 5th to pass
Driving wheel 31 rotates, and the 5th driving wheel 31 drives the 6th driving wheel 41 and tail-rotor main shaft 4 to rotate synchronously by third transmission belt 33, the
Five driving wheels 31 and the 6th driving wheel 41 use 5M circle-arc tooth belt pulleys, are set on the third transmission belt 33 of third level transmission mechanism
It is equipped with the guiding mechanism 7 for adjusting 33 direction of third transmission belt.
Wherein, the transmission belt of the transmission mechanisms at different levels in the present invention is the skin to match with each circle-arc tooth belt pulley
Band；Mast 2, radiator fan main shaft 3 and tail-rotor main shaft 4 in the present invention are all made of the 30CrMnSiA aviations after heat treatment
Material is made.
As described above, although the present invention has been indicated and described with reference to specific preferred embodiment, must not explain
For the limitation to invention itself.It without prejudice to the spirit and scope of the invention as defined in the appended claims, can be right
Various changes can be made in the form and details for it.
Claims (9)
1. a kind of unmanned plane power drive mechanism, it is characterised in that：Including three-level transmission mechanism, the first order transmission mechanism packet
It includes the first driving wheel of connection engine output shaft, connect the second driving wheel of mast, and connection first transmission
First transmission belt of wheel and the second driving wheel, the engine output shaft drive the first driving wheel rotation, and described first passes
Driving wheel drives second driving wheel and mast to rotate synchronously by the first transmission belt；
The second level transmission mechanism includes the third driving wheel for connecting mast, connects the 4th transmission of radiator fan main shaft
Wheel, and the second transmission belt of the third driving wheel and the 4th driving wheel is connected, the mast drives the third to pass
Wheel rotation, the third driving wheel drive the 4th driving wheel synchronous with radiator fan main shaft by second transmission belt
Rotation；
The third level transmission mechanism includes the 5th driving wheel for connecting radiator fan main shaft, connects the 6th transmission of tail-rotor main shaft
Wheel, and connection the 5th driving wheel and the 6th driving wheel third transmission belt, the radiator fan main shaft drives described the
Five driving wheels rotate, and the 5th driving wheel drives the 6th driving wheel is synchronous with tail-rotor main shaft to turn by third transmission belt
It is dynamic.
2. a kind of unmanned plane power drive mechanism according to claim 1, it is characterised in that：The driving wheel of transmission mechanisms at different levels
It is circle-arc tooth belt pulley, the transmission belt of transmission mechanisms at different levels is the belt to match with each circle-arc tooth belt pulley.
3. a kind of unmanned plane power drive mechanism according to claim 2, it is characterised in that：First driving wheel and second
Driving wheel uses 8M circle-arc tooth belt pulleys.
4. a kind of unmanned plane power drive mechanism according to claim 3, it is characterised in that：The first order transmission mechanism
The first order tension mechanism for adjusting the belt relaxation is provided on belt.
5. a kind of unmanned plane power drive mechanism according to claim 2, it is characterised in that：The third driving wheel and the 4th
Driving wheel uses 5M circle-arc tooth belt pulleys.
6. a kind of unmanned plane power drive mechanism according to claim 5, it is characterised in that：The second level transmission mechanism
The second level tension mechanism for adjusting the belt relaxation is provided on belt.
7. a kind of unmanned plane power drive mechanism according to claim 2, it is characterised in that：5th driving wheel and the 6th
Driving wheel uses 5M circle-arc tooth belt pulleys.
8. a kind of unmanned plane power drive mechanism according to claim 7, it is characterised in that：The third level transmission mechanism
The guiding mechanism for adjusting the belt direction is provided on belt.
9. according to a kind of unmanned plane power drive mechanism described in claim 1 ~ 8 any one, it is characterised in that：The rotor master
The 30CrMnSiA aeronautical materials that axis, radiator fan main shaft and tail-rotor main shaft are all made of after heat treatment are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810776181.5A CN108561515A (en) | 2018-07-16 | 2018-07-16 | A kind of unmanned plane power drive mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810776181.5A CN108561515A (en) | 2018-07-16 | 2018-07-16 | A kind of unmanned plane power drive mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108561515A true CN108561515A (en) | 2018-09-21 |
Family
ID=63555360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810776181.5A Pending CN108561515A (en) | 2018-07-16 | 2018-07-16 | A kind of unmanned plane power drive mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN108561515A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100577757B1 (en) * | 2004-11-30 | 2006-05-08 | 한국항공우주연구원 | Multi angle joint plain flap for aerial vehicle |
| CN204956920U (en) * | 2015-09-24 | 2016-01-13 | 甄圣远 | Unmanned helicopter transmission and cooling system and be equipped with its unmanned helicopter |
| CN204956915U (en) * | 2015-09-24 | 2016-01-13 | 甄圣远 | Off -center unmanned helicopter of tail transmission |
| CN205534060U (en) * | 2016-02-24 | 2016-08-31 | 东莞大鸟飞机制造有限公司 | Unmanned aerial vehicle synchronizing wheel drive mechanism |
| CN208474419U (en) * | 2018-07-16 | 2019-02-05 | 飞瑞航空科技（江苏）有限公司 | A kind of unmanned plane power drive mechanism |
-
2018
- 2018-07-16 CN CN201810776181.5A patent/CN108561515A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100577757B1 (en) * | 2004-11-30 | 2006-05-08 | 한국항공우주연구원 | Multi angle joint plain flap for aerial vehicle |
| CN204956920U (en) * | 2015-09-24 | 2016-01-13 | 甄圣远 | Unmanned helicopter transmission and cooling system and be equipped with its unmanned helicopter |
| CN204956915U (en) * | 2015-09-24 | 2016-01-13 | 甄圣远 | Off -center unmanned helicopter of tail transmission |
| CN205534060U (en) * | 2016-02-24 | 2016-08-31 | 东莞大鸟飞机制造有限公司 | Unmanned aerial vehicle synchronizing wheel drive mechanism |
| CN208474419U (en) * | 2018-07-16 | 2019-02-05 | 飞瑞航空科技（江苏）有限公司 | A kind of unmanned plane power drive mechanism |
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