CN107235155A - A kind of transmission device for high speed multirotor helicopter - Google Patents
A kind of transmission device for high speed multirotor helicopter Download PDFInfo
- Publication number
- CN107235155A CN107235155A CN201710473785.8A CN201710473785A CN107235155A CN 107235155 A CN107235155 A CN 107235155A CN 201710473785 A CN201710473785 A CN 201710473785A CN 107235155 A CN107235155 A CN 107235155A
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- Prior art keywords
- driven
- oar
- lift
- speed
- umbrella tooth
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Classifications
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- 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
- B64D35/04—Transmitting power from power plant to propellers or rotors; Arrangements of transmissions characterised by the transmission driving a plurality of propellers or rotors
Abstract
The invention belongs to aircraft manufacturing technical field, it is particularly used for the transmission device of high speed multirotor helicopter, including the deceleration driving gear being arranged on driving shaft, deceleration driving gear is provided with two clutches, deceleration driving gear is engaged with the reduction driven tooth in first driven shaft, first driven shaft is provided with electrodeless variable-speed active wheels and electronic driver in reduction driven tooth, electrodeless variable-speed active wheels are entered action edge by the electrodeless variable-speed driven wheels on belt and second driven shaft and transmitted, electrodeless variable-speed driven pulley is set with spring, opposite side is provided with lift oar active umbrella tooth, lift oar active umbrella tooth is engaged with the driven umbrella tooth of the second lift oar on the driven umbrella tooth of the first lift oar and the second lift oar drive shaft in the first lift oar drive shaft, first lift oar drive shaft is identical with the second lift oar drive axis.Present invention increase electrodeless variable-speed structure, increases lifting propeller gearratio, reduces revolution speed of propeller, offsets propeller blade and rotates to the speedup of blade during direction of advance.
Description
Technical field
The invention belongs to aircraft manufacturing technical field, and in particular to a kind of transmission for high speed multirotor helicopter is filled
Put.
Background technology
Vertically taking off and landing flyer in the market mainly has the dynamic many rotors, single rotor of directly driving of electronic many rotors, oil to go straight up to
Machine and coaxial double-oar helicopter etc..Wherein single-rotor helicopter needs tail rotor to offset the anti-twisted power that main rotor is produced, and aircraft
The main oar lift that advances can deviate aircraft axle center, it is more difficult to control.Coaxial double-oar helicopter solve the shortcoming of single-rotor helicopter but
Pneumatic efficiency can be lost and Heading control is slower by being due to that two rotors are overlapping；It is relatively large in diameter, revolves additionally, due to rotor wing rotation
Thriving root speed and rotor tip velocity are larger relative to air movement velocity contrast, to avoid wing tip supersonic speed from using
The slow-speed of revolution is designed, and engine driving propeller needs larger reduction gearing, increases aircraft overall structure weight, and due to velocity of sound
And material limitation is unfavorable for manufacturing superduty helicopter.
Vertically taking off and landing flyer in the market mainly has the dynamic many rotors, single rotor of directly driving of electronic many rotors, oil to go straight up to
Machine and coaxial double-oar helicopter etc..Wherein single-rotor helicopter needs tail rotor to offset the anti-twisted power that main rotor is produced, and aircraft
The main oar lift that advances can deviate aircraft axle center, it is more difficult to control.Coaxial double-oar helicopter solve the shortcoming of single-rotor helicopter but
Pneumatic efficiency can be lost and Heading control is slower by being due to that two rotors are overlapping；It is relatively large in diameter, revolves additionally, due to rotor wing rotation
Thriving root speed and rotor tip velocity are larger relative to air movement velocity contrast, to avoid wing tip supersonic speed from using
The slow-speed of revolution is designed, and engine driving propeller needs larger speed reducing ratio, and conventional helicopters decelerator accounts for helicopter gross weight
1/7~1/9, and because conventional helicopters main screw lift is concentrated on main shaft, cause mast to be slightly necessarily large and bulky.
The content of the invention
The technical problem to be solved in the present invention is, it is desirable to provide a kind of transmission for high speed multirotor helicopter is filled
Put, solve problem of the prior art.
To solve the above problems, the invention provides a kind of transmission device for high speed multirotor helicopter, including it is logical
The transmission system for crossing helicopter is arranged on lifting propeller and propelling screws on helicopter body, the lifting propeller point
The symmetrical position in both sides of helicopter body is not arranged on, and the propelling screws are arranged on helicopter body rear end.
It is preferred that technical scheme, the transmission system includes being arranged on deceleration driving gear on driving shaft, the deceleration
Driving gear both sides are provided with second clutch and first clutch, and the deceleration driving gear is with being arranged in first driven shaft
Reduction driven tooth is engaged, the first driven shaft be provided with reduction driven tooth side the electrodeless variable-speed active wheels that are disposed adjacent and
Electronic driver, the electrodeless variable-speed active wheels enter action by the electrodeless variable-speed driven wheels on belt and second driven shaft
Power is transmitted, and the electrodeless variable-speed driven wheels side is set with spring, and opposite side is provided with lift oar active umbrella tooth, the lift oar
Active umbrella tooth respectively with the driven umbrella tooth of the first lift oar and the second lift oar drive shaft in the first lift oar drive shaft
The driven umbrella tooth engagement of two lift oars, the first lift oar drive shaft is identical with the second lift oar drive axis.
It is preferred that technical scheme, the transmission system includes being arranged on deceleration driving gear on driving shaft, the deceleration
Driving gear be provided with first clutch, the active shaft end provided with promote oar active umbrella tooth, the promotion oar active umbrella tooth with
The driven umbrella tooth engagement of promotion oar for promoting oar driveshaft end is arranged on, the promotion oar drive shaft is provided with second clutch,
The promotion oar active umbrella tooth is with promoting the driven bevel gear shaft line of oar to be vertically arranged；
The deceleration driving gear is engaged with the reduction driven tooth being arranged in first driven shaft, and the first driven shaft exists
Reduction driven tooth side is provided with the electrodeless variable-speed active wheels being disposed adjacent and electronic driver, the electrodeless variable-speed active wheels
Enter action edge by the electrodeless variable-speed driven wheels on belt and second driven shaft to transmit, the electrodeless variable-speed driven wheels side
Be set with spring, opposite side is provided with lift oar active umbrella tooth, the lift oar active umbrella tooth respectively with the first lift oar drive shaft
On the driven umbrella tooth of the first lift oar and the second lift oar drive shaft on the engagement of the second lift oar driven umbrella tooth, described first liter
Power oar drive shaft axis identical and with second driven shaft with the second lift oar drive axis is vertical.
It is preferred that technical scheme, the first clutch be centrifugal block for clutch use clutch, the second clutch be friction plate
Formula clutch.
It is preferred that technical scheme, the electrodeless variable-speed in the electrodeless variable-speed driven wheels and the electrodeless variable-speed active wheels
Device is ramp type buncher.
It is preferred that technical scheme, the reduction driven tooth and deceleration driving gear be angular gear, the reduction driven tooth
Gearratio with deceleration driving gear is 6~1.
It is preferred that technical scheme, according to design helicopter size and using depending on engine type, the gearratio is 55
Between~5.
It is preferred that technical scheme, be provided with the 3rd driven shaft between deceleration driving gear and the reduction driven tooth, described the
Big helical teeth and small helical teeth on three driven shafts are engaged with deceleration driving gear and reduction driven tooth respectively.
It is preferred that technical scheme, the driven umbrella tooth of the first lift oar, the driven umbrella tooth of the second lift oar by lift oar actively
Umbrella tooth drives, and can be needed to adjust above-below direction driving angle according to design.
It is preferred that technical scheme, the driven umbrella tooth of the first lift oar, lift oar active umbrella tooth, the second driven umbrella of lift oar
Tooth, the driven umbrella tooth of promotion oar, promotion oar active umbrella tooth are designed using bevel gear, and drive line angle can be changed by changing bevel gear taper
Degree, the first lift oar drive shaft of adjustment, the second lift oar drive shaft can be needed according to design, promotes oar drive shaft fore-and-aft direction to pass
Dynamic angle.
Invent the transmission device for high speed multirotor helicopter provided has following beneficial effect compared with prior art
Really：
1st, the present invention is as a result of electrodeless variable-speed structure, and power transmission is stable, and the lift lifting of helicopter body is rapid；
2nd, reasonable in design of the present invention, takeoff phase first clutch is passed because engine drive power closes up realization automatically
It is dynamic；Variable speed active wheels are connected with first driven shaft using type gear structure vertical, and variable speed active wheels are first
Slid back and forth on driven shaft, can realize that the thrust and lift of helicopter are stable and be lifted.
Brief description of the drawings
Fig. 1 is the overall structure figure of the transmission device of the present invention for high speed multirotor helicopter；
Fig. 2 is the sectional view of the transmission device of the present invention for high speed multirotor helicopter；
Fig. 3 is the structure chart of the drive arrangement embodiment 1 of the present invention for high speed multirotor helicopter；
Fig. 4 is the structure chart of the drive arrangement embodiment 2 of the present invention for high speed multirotor helicopter；
Fig. 5 is the structure chart of the drive arrangement embodiment 3 of the present invention for high speed multirotor helicopter.
Reference
In figure：A1-lifting propeller, A2-propelling screws, A3-helicopter body, A4-transmission system；1-main
Moving axis, 2-first driven shaft, 3-electronic driver, 4-electrodeless variable-speed active wheels, 5-belt, 6-second driven shaft,
7-spring, 8-electrodeless variable-speed driven wheels, the 9-the first lift oar drive shaft, the driven umbrella tooth of the 10-the first lift oar, 11-liter
Power oar active umbrella tooth, the driven umbrella tooth of the 12-the second lift oar, 13-reduction driven tooth, 14-promote oar drive shaft, 15-the second
Lift oar drive shaft, 16-second clutch, 17-deceleration driving gear, 18-first clutch, 19-promote the driven umbrella of oar
Tooth, 20-promote the driven umbrella tooth of oar, the 21-the three driven shaft, 21a-small helical teeth, 21b-big helical teeth.
Embodiment
The specific embodiment of the present invention is described in detail below with reference to accompanying drawing.
Embodiment 1
As shown in Figure 1,2 and 3, a kind of transmission device for high speed multirotor helicopter that the present invention is provided, including it is logical
The transmission system A4 for crossing helicopter is arranged on lifting propeller A1 and propelling screws A2 on helicopter body A3, the lift
Propeller A1 is separately positioned on the helicopter body A3 symmetrical position in both sides, and the propelling screws A2 is arranged on helicopter machine
Body A3 rear ends.Wherein, the transmission system A4 includes the deceleration driving gear 17 being arranged on driving shaft 1, described to slow down actively
The both sides of gear 17 are provided with second clutch 16 and first clutch 18, and the deceleration driving gear 17 is with being arranged on first driven shaft
Reduction driven tooth 13 on 2 is engaged, and the first driven shaft 2 is provided with the electrodeless variable-speed being disposed adjacent in the side of reduction driven tooth 13
Active wheels 4 and electronic driver 3, the electrodeless variable-speed active wheels 4 pass through the electrodeless change on belt 5 and second driven shaft 6
Fast driven wheels 8 enter action edge transmission, and the side of electrodeless variable-speed driven wheels 8 is set with spring 7, and opposite side is provided with lift oar
Active umbrella tooth 11, the lift oar active umbrella tooth 11 respectively with the driven umbrella tooth of the first lift oar in the first lift oar drive shaft 9
10 and the second driven umbrella tooth 12 of the second lift oar in lift oar drive shaft 15 engage, the first lift oar drive shaft 9 and
Two lift oar 15 axis of drive shaft are identical.Wherein preferably it is that the transmission system A4 includes being arranged on driving shaft 1 with structure
Deceleration driving gear 17, the deceleration driving gear 17 be provided with first clutch 18, the end of driving shaft 1 provided with promote oar
Active umbrella tooth 20, the driven umbrella tooth 19 of promotion oar for promoting oar active umbrella tooth 20 to promote the end of oar drive shaft 14 with being arranged on is nibbled
Close, the promotion oar drive shaft 14 is provided with second clutch 16, and the promotion oar active umbrella tooth 20 is with promoting the driven umbrella tooth of oar
19 axis are vertically arranged；The deceleration driving gear 17 is engaged with the reduction driven tooth 13 being arranged in first driven shaft 2, described
First driven shaft 2 is provided with the electrodeless variable-speed active wheels 4 being disposed adjacent and electronic driver 3, institute in the side of reduction driven tooth 13
State electrodeless variable-speed active wheels 4 and enter action edge transmission, institute by the electrodeless variable-speed driven wheels 8 on belt 5 and second driven shaft 6
State the side of electrodeless variable-speed driven wheels 8 and be set with spring 7, opposite side is provided with lift oar active umbrella tooth 11, and the lift oar is actively
Umbrella tooth 11 respectively with the driven lift oar drive shaft 15 of umbrella tooth 10 and second of the first lift oar in the first lift oar drive shaft 9
The driven umbrella tooth 12 of second lift oar is engaged, the first lift oar drive shaft 9 it is identical with the second lift oar 15 axis of drive shaft and
It is vertical with the axis of second driven shaft 6.In the present embodiment, the first clutch 18 is centrifugal block for clutch use clutch, described second
Clutch 16 is electrodeless in friction plate clutch, the electrodeless variable-speed driven wheels 8 and the electrodeless variable-speed active wheels 4
Speed changer is ramp type buncher.In the present embodiment, the reduction driven tooth 13 and deceleration driving gear 17 are helical teeth tooth
Wheel, the gearratio of the reduction driven tooth 13 and deceleration driving gear 17 is 1~6.It is big according to design helicopter in the present embodiment
Small and using depending on engine type, the gearratio is between 5~75.
Embodiment 2
As shown in Figure 1, Figure 2 and Figure 4, the present embodiment is further improved on the basis of embodiment 1, and difference exists
In：A kind of transmission device for high speed multirotor helicopter that the present invention is provided, another structure is：The transmission system A4 bags
The deceleration driving gear 17 being arranged on driving shaft 1 is included, the deceleration driving gear 17 is provided with first clutch 18, the active
The end of axle 1 is described to promote oar active umbrella tooth 20 to promote the end of oar drive shaft 14 with being arranged on provided with oar active umbrella tooth 20 is promoted
The driven umbrella tooth 19 of oar is promoted to engage, the promotion oar drive shaft 14 is provided with second clutch 16, the promotion oar active umbrella tooth
20 with promoting the driven axis of umbrella tooth 19 of oar to be vertically arranged；The deceleration driving gear 17 is with being arranged on subtracting in first driven shaft 2
Fast driven tooth 13 is engaged, and the first driven shaft 2 is provided with the electrodeless variable-speed driving wheel being disposed adjacent in the side of reduction driven tooth 13
Group 4 and electronic driver 3, the electrodeless variable-speed active wheels 4 are driven by belt 5 and electrodeless variable-speed in second driven shaft 6
Wheel group 8 enters action edge transmission, and the side of electrodeless variable-speed driven wheels 8 is set with spring 7, and opposite side is provided with lift oar active umbrella
Tooth 11, the lift oar active umbrella tooth 11 respectively with the driven umbrella tooth 10 of the first lift oar in the first lift oar drive shaft 9 and
The driven umbrella tooth 12 of the second lift oar in two lift oar drive shafts 15 is engaged, the first lift oar drive shaft 9 and the second lift
The axis of oar drive shaft 15 is identical and vertical with the axis of second driven shaft 6.The first clutch 18 is centrifugal block for clutch use clutch,
The second clutch 16 is friction plate clutch.
The operation principle of the present invention is as follows：When high speed multirotor helicopter takes off, driven by engine driving driving shaft 1
Dynamic first clutch 18, deceleration driving gear 17 and second clutch 16 rotate to drive end, are driven by reduction driven gear 13
Dynamic first driven shaft 2 and variable speed active wheels 4 rotate, and drive stepless speed changing passive wheel group 8, second driven by belt 5
Axle 6, lift oar active umbrella tooth 11 rotate, then drive the driven umbrella tooth 11, second of the first lift oar by lift oar active umbrella tooth 11
The driven lift oar drive shaft 9 of umbrella tooth 12 and first of lift oar, the second lift oar drive shaft 15 rotate, the first lift oar drive shaft 9,
Second lift oar drive shaft 15 drives one group of rotor to produce air-flow over the ground so as to take off respectively；First clutch 18 using get rid of block from
Clutch structure design, takeoff phase first clutch 18 closes up realization transmission, second clutch automatically due to engine drive power
16 use friction plate clutch structure design, and second clutch 6 is controlled separation and closed up；Variable speed active wheels 4
It is connected with first driven shaft 2 using type gear structure vertical, before and after variable speed active wheels 4 are carried out in first driven shaft 4
Slide, variable speed active wheels 4 are fixedly connected with first driven shaft 2, and stepless speed changing passive wheel group 8 is adopted with second driven shaft 6
Nothing is adjusted by electronic driver 3 in the stage of taking off vertically with the identical structure of first driven shaft 2 with variable speed active wheels 1
The sliding position of level speed-changing drive wheel group 4 is moved back by, and is reduced and is passed between variable speed active wheels 4 and stepless speed changing passive wheel group 8
Dynamic ratio is beneficial to take off there is provided lifting propeller rotating speed, when cruising phase because aircraft has pace, can improve propeller lift
Efficiency, the sliding position of variable speed active wheels 4 is adjusted to reach, increase variable speed active wheels 4 by electricity in driver 3
The gearratio between stepless speed changing passive wheel group 8, reduction lifting propeller rotating speed slows down propeller relative to air speed of incoming flow,
During cruise starting, close up the driving propelling screws acting generation propulsive force of second clutch 16 and promote before helicopter body A3 aircrafts
Enter；Second clutch 16 is selected as needed, and when cancelling second clutch 16, propelling screws are designed using displacement, are taken off
The pitch that stage reduces propelling screws by controller realizes VTOL, when cruising phase increases the pitch of propelling screws
Producing propulsive force promotes aircraft to advance；When simultaneously using second clutch 16 and displacement propelling screws, in takeoff phase the
Two clutches 16 are separated and closed configuration, as needed adjustment；Electricity in driver 3 be used for adjust the first variable speed driving wheel with
The distance between second variable speed driving wheel is to adjust between variable speed active wheels 4 and stepless speed changing passive wheel group 8
Gearratio；This structure that the present invention is used, can also be designed using helicopter variable-pitch propeller distance changing mechanism is analogous to；Slow down and lead
Moving gear 17 can be cancelled with reduction driven gear 13 according to design needs, and lifting propeller A1 displacement design is using existing straight
Machine Propeller variable pitch design is risen, increase deceleration transmission design as needed between driving shaft 1 and propulsion oar drive shaft.
Embodiment 3
As shown in figure 5, the present embodiment is in embodiment 1 and implements on the basis of 2, further improvement is made that, difference exists
In：The design of buncher in the present invention, revolution speed of propeller when being for reduction helicopter high-speed flight, due to helicopter
Propeller is circular motion, when helicopter high-speed flight, and propeller, which is rotated to propeller blade tip during direction windward, supersonic speed
Risk, and air can increase propeller efficiency to flow the wind speed that can increase relative to propeller, so needing reduction propeller to turn
Speed, rotating speed when propeller is also without hovering, when using rev-happy engine, deceleration driving gear 17 and reduction driven tooth
13 can increase as multi-stage speed-reducing, therein, and the 3rd driven shaft is provided between the deceleration driving gear 17 and reduction driven tooth 13
21, big helical teeth 21a and small helical teeth 21b on the 3rd driven shaft 21 respectively with deceleration driving gear 17 and reduction driven tooth 13
Engagement.In terms of speed reducing ratio, due to using different dynamic system, dynamical system speed discrepancy is away from larger, and the interval that speed reducing ratio is write is：It is small
Such as 15k grades of turboshaft engine rotating speed of type is up to 12.5 ten thousand rpms, and the piston engine rotating speed highest of equal-wattage is less than 10,000
Turn.In the present embodiment, it is preferred that reduction driven tooth 13, deceleration driving gear 17, big helical teeth 21a in reduction gearing and it is small tiltedly
Tooth 21b is main train of reduction gears, and main function is that rotating speed and the lifting engine output to propeller are exported for reduction engine
Moment of torsion is so as to drive propeller rotation to produce lift, and train of reduction gears can select existing train of reduction gears design on the market, total to pass
Between 0.6 times -0.8 times of the dynamic single-rotor helicopter resultant gear ratio than about identical or equivalent take-off weight, retarding stage is several
Setting is needed according to design.Buncher is arranged between final gear group and lifting propeller.In the present embodiment, described
The driven umbrella tooth 10 of one lift oar, the driven umbrella tooth 12 of the second lift oar are driven by lift oar active umbrella tooth 11, can be according to design needs
Adjust above-below direction driving angle.
It is preferred that technical scheme, the driven umbrella tooth 10 of the first lift oar, lift oar active umbrella tooth 11, the second lift oar from
Dynamic umbrella tooth 12, the driven umbrella tooth 19 of promotion oar, promotion oar active umbrella tooth 20, can by changing bevel gear taper using bevel gear design
Change driving angle, the first lift oar drive shaft 9 of adjustment, the second lift oar drive shaft 15 can be needed according to design, promotes oar to drive
The fore-and-aft direction driving angle of moving axis 14.
The preferred embodiments of the disclosure and embodiment are explained in detail above in conjunction with accompanying drawing, but it is of the invention
The above-described embodiment and examples are not limited to, in the knowledge that those skilled in the art possess, can also not taken off
Made a variety of changes on the premise of from present inventive concept.
Claims (10)
1. a kind of transmission device for high speed multirotor helicopter, it is characterised in that including the transmission system by helicopter
(A4) lifting propeller (A1) and propelling screws (A2) on helicopter body (A3), the lifting propeller (A1) are arranged on
The symmetrical position in both sides of helicopter body (A3) is separately positioned on, the propelling screws (A2) are arranged on helicopter body
(A3) rear end.
2. it is used for the transmission device of high speed multirotor helicopter according to claim 1, it is characterised in that the transmission system
(A4) deceleration driving gear (17) being arranged on driving shaft (1) is included, deceleration driving gear (17) both sides are provided with second
Clutch (16) and first clutch (18), the deceleration driving gear (17) and the deceleration being arranged in first driven shaft (2)
Driven tooth (13) is engaged, and the first driven shaft (2) is provided with the electrodeless variable-speed master being disposed adjacent in reduction driven tooth (13) side
Driving wheel group (4) and electronic driver (3), the electrodeless variable-speed active wheels (4) pass through on belt (5) and second driven shaft (6)
Electrodeless variable-speed driven wheels (8) enter action edge transmission, electrodeless variable-speed driven wheels (8) side is set with spring (7), separately
Side be provided with lift oar active umbrella tooth (11), the lift oar active umbrella tooth (11) respectively with the first lift oar drive shaft (9)
The driven umbrella tooth (10) of the first lift oar and the second lift oar drive shaft (15) on the engagement of the second lift oar driven umbrella tooth (12),
The first lift oar drive shaft (9) is identical with second lift oar drive shaft (15) axis.
3. it is used for the transmission device of high speed multirotor helicopter according to claim 1, it is characterised in that the transmission system
(A4) deceleration driving gear (17) being arranged on driving shaft (1) is included, the deceleration driving gear (17) is provided with the first clutch
Device (18), driving shaft (1) end is provided with oar active umbrella tooth (20) is promoted, and the promotion oar active umbrella tooth (20) is with being arranged on
Promote promotion oar driven umbrella tooth (19) engagement of oar drive shaft (14) end, the promotion oar drive shaft (14) provided with second from
Clutch (16), the promotion oar active umbrella tooth (20) is with promoting driven umbrella tooth (19) axis of oar to be vertically arranged；
The deceleration driving gear (17) is engaged with the reduction driven tooth (13) being arranged in first driven shaft (2), and described first
Driven shaft (2) is provided with the electrodeless variable-speed active wheels (4) being disposed adjacent and electronic driver in reduction driven tooth (13) side
(3), the electrodeless variable-speed active wheels (4) pass through the electrodeless variable-speed driven wheels (8) on belt (5) and second driven shaft (6)
Enter action edge transmission, electrodeless variable-speed driven wheels (8) side is set with spring (7), and opposite side is provided with lift oar active umbrella
Tooth (11), the lift oar active umbrella tooth (11) respectively with the driven umbrella tooth of the first lift oar in the first lift oar drive shaft (9)
(10) driven umbrella tooth (12) engagement of the second lift oar and in the second lift oar drive shaft (15), the first lift oar drive shaft
(9) it is identical and vertical with the axis of second driven shaft (6) with second lift oar drive shaft (15) axis.
4. it is used for the transmission device of high speed multirotor helicopter according to claim 3, it is characterised in that first clutch
Device (18) is centrifugal block for clutch use clutch, and the second clutch (16) is friction plate clutch.
5. it is used for the transmission device of high speed multirotor helicopter according to claim 1, it is characterised in that the electrodeless variable-speed
Buncher in driven wheels (8) and the electrodeless variable-speed active wheels (4) is ramp type buncher.
6. it is used for the transmission device of high speed multirotor helicopter according to claim 1, it is characterised in that the reduction driven
Tooth (13) and deceleration driving gear (17) are angular gear, the transmission of the reduction driven tooth (13) and deceleration driving gear (17)
Than for 5~55.
7. it is used for the transmission device of high speed multirotor helicopter according to claim 6, it is characterised in that go straight up to according to design
Machine size and using depending on engine type, the gearratio is between 1~6.
8. it is used for the transmission device of high speed multirotor helicopter according to claim 3, it is characterised in that the deceleration is actively
The big helical teeth on the 3rd driven shaft (21), the 3rd driven shaft (21) is provided between gear (17) and reduction driven tooth (13)
(21a) and small helical teeth (21b) are engaged with deceleration driving gear (17) and reduction driven tooth (13) respectively.
9. it is used for the transmission device of high speed multirotor helicopter according to claim 3, it is characterised in that first lift
The driven umbrella tooth (10) of oar, the driven umbrella tooth (12) of the second lift oar are driven by lift oar active umbrella tooth (11), can be according to design needs
Adjust above-below direction driving angle.
10. it is used for the transmission device of high speed multirotor helicopter according to claim 2,3 or 4, it is characterised in that described the
The driven umbrella tooth (10) of one lift oar, lift oar active umbrella tooth (11), the driven umbrella tooth (12) of the second lift oar, the promotion driven umbrella tooth of oar
(19), promote oar active umbrella tooth (20) to be designed using bevel gear, driving angle can be changed by changing bevel gear taper, can basis
Design needs the first lift oar drive shaft (9) of adjustment, the second lift oar drive shaft (15), promotes oar drive shaft (14) fore-and-aft direction
Driving angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710473785.8A CN107235155A (en) | 2017-06-21 | 2017-06-21 | A kind of transmission device for high speed multirotor helicopter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710473785.8A CN107235155A (en) | 2017-06-21 | 2017-06-21 | A kind of transmission device for high speed multirotor helicopter |
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| CN107235155A true CN107235155A (en) | 2017-10-10 |
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| CN201710473785.8A Pending CN107235155A (en) | 2017-06-21 | 2017-06-21 | A kind of transmission device for high speed multirotor helicopter |
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Cited By (5)
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| CN107600426A (en) * | 2017-10-30 | 2018-01-19 | 姬永超 | Single-power drives feather multi-rotor unmanned aerial vehicle |
| CN107985613A (en) * | 2017-12-29 | 2018-05-04 | 江苏方阔航空科技有限公司 | Oil moves coaxial six rotor wing unmanned aerial vehicles transmission mechanism |
| CN108045584A (en) * | 2017-12-14 | 2018-05-18 | 中国航发沈阳发动机研究所 | A kind of aeropropulsion system |
| EP3737609A4 (en) * | 2018-02-17 | 2021-10-27 | Correa Hamill, Juan Manuel | Transmission system for aircraft structure |
| CN114435607A (en) * | 2022-02-24 | 2022-05-06 | 重庆大学 | Belt transmission type transmission system of tilt-rotor aircraft |
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