CN109681582A - The coaxial rotor transmission device of power dividing twice - Google Patents
The coaxial rotor transmission device of power dividing twice Download PDFInfo
- Publication number
- CN109681582A CN109681582A CN201910015859.2A CN201910015859A CN109681582A CN 109681582 A CN109681582 A CN 109681582A CN 201910015859 A CN201910015859 A CN 201910015859A CN 109681582 A CN109681582 A CN 109681582A
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- Prior art keywords
- gear
- roller gear
- face
- roller
- power dividing
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Classifications
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- 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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
- F16H1/203—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with non-parallel axes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
Abstract
The present invention discloses a kind of coaxial rotor transmission device of power dividing twice, including base apparatus and at least one sub-device, is driven by coaxial face gear power dividing, while realizing commutation and power dividing；It is followed by driven by roller gear power dividing, realizes the shunting again of power, reduced load and linear velocity that the gear teeth are born, reduce the volume and weight of gear, improve power to weight ratio, transmission efficiency and the reliability of transmission system.Such device all uses fixed shaft gear train to be driven, and technology is more mature, good reliability；Meanwhile the transmission of afterbody is bigger, advantageously reduces the weight of transmission system, this has very important meaning to Large-power High-Speed transmission system.
Description
Technical field
The invention belongs to technical field of mechanical transmission, are related to the research field of helicopter drive configuration, in particular to a kind of
Coaxial rotor output with the power dividing twice of face gear-roller gear, revolving speed is equal and turns to opposite power biography
Dynamic device.
Background technique
The typical configurations of coaxial dual-rotor helicopter main reducing gear transmission system are " bevel gear commutation-and vehicle-planet biography
Dynamic output ".It is input to main rotor output from engine, is generally made of 3~5 grades of gear drives, in most cases by planet
Transmission is used as afterbody, also has using two-stage Gear Planet Transmission or compound planetary.To the multistage containing Planetary Gear Transmission
For transmission system, the transmission ratio tolerance zone of Planetary Gear Transmission is restricted by of both structure and intensity；Meanwhile it is excessive
Transmission ratio declines the transmission efficiency of planetary reduction gear, and is unfavorable for mitigating the weight of entire transmission system.
Therefore, it is the power to weight ratio, transmission efficiency and the reliability requirement that meet Helicopter Transmission System, mitigates transmission as far as possible
The transmission of the weight and volume of system, the Planetary Gear Transmission in active service Helicopter Transmission System is smaller, generally on 3~5 left sides
It is right.For coaxial rotor transmission system, for the two secondary rotor up and down for realizing a positive and a negative rotation around same axis
Requirement, which employs the kinds of drive that star gear system and differential gear train combine.Although it also uses power dividing
Form, but the problems such as due to the structural strength of Planetary Gear Transmission, efficiency, be driven smaller；Meanwhile the existing public affairs of planetary gear
Turn have rotation again, therefore structure is complicated, and the usage operating condition of its spring bearing is complicated, bearing is easily damaged.
Summary of the invention
The purpose of the present invention is to provide a kind of coaxial rotor transmission device of power dividing twice, all using fixed
The transmission of axis train, technology is more mature, good reliability；Meanwhile the transmission of afterbody is bigger, advantageously reduces transmission system
Weight, this has very important meaning to Large-power High-Speed transmission system.
In order to achieve the above objectives, solution of the invention is:
A kind of coaxial rotor transmission device of power dividing twice, including base apparatus and at least one sub-device,
Base apparatus includes the first output shaft, the second output shaft, the 8th 1 roller gear and the eight or two roller gear, the 8th 1 Cylinder Gear
Wheel is fixed on the first output shaft, and the eight or two roller gear is fixed on the second output shaft；Sub-device includes the one one Cylinder Gear
Wheel, the 2nd 1 face gear, the 3rd 1 face gear, the two or two roller gear, the 4th 1 roller gear, the 6th 1 roller gear,
Four or two roller gears, the six or two roller gear, the three or two roller gear, May Day roller gear, July 1st roller gear, the 5th
Two roller gears and the seven or two roller gear；
2nd 1 face gear is identical as the axis of the 3rd 1 face gear, and arranges face-to-face up and down；2nd 1 face gear with
Two or two roller gear is both secured to second driving shaft；4th 1 roller gear and the four or two roller gear are both secured to the 4th biography
Moving axis；6th 1 roller gear and the six or two roller gear are both secured to the 6th transmission shaft；3rd 1 face gear and the three or two circle
Stud wheel is both secured to third transmission shaft；May Day roller gear and the five or two roller gear are both secured to the 5th transmission shaft；The
July 1st roller gear and the seven or two roller gear are both secured to the 7th transmission shaft；
One one roller gear is meshed with the 2nd 1, the 3rd 1 face gear simultaneously, and the two or two roller gear is simultaneously with the
41 roller gears, the 6th 1 roller gear are meshed, and the four or two roller gear and the six or two roller gear are simultaneously with the 8th 1
Roller gear is meshed；Three or two roller gear is meshed with May Day roller gear, July 1st roller gear simultaneously, and the five or two
Roller gear and the seven or two roller gear are meshed with the eight or two roller gear simultaneously.
The number of above-mentioned sub-device is most 3.
Above-mentioned face gear is using straight-tooth face gear, helical teeth face gear, biasing face gear or spiral gear.
After adopting the above scheme, the present invention has following improvement:
(1) coaxial face gear-roller gear proposed by the present invention power dividing drive configuration twice, it is double with common close coupled type
Heligyro drive configuration is compared, and train is all fixed shaft gear train transmission, and face gear transmission is insensitive to error, can simplify branch
Support structure improves the reliability of transmission system；After face gear power dividing, carried out again by column gear transmission
Power dividing reduces the load of drive branch, and then reduces the volume and weight of gear again；Meanwhile afterbody transmission is
Dead axle transmission, therefore transmission ratio can be larger, can be effectively reduced the volume and weight of entire transmission system；
(2) present invention is driven by coaxial-type face gear power dividing, can be realized simultaneously compared with existing drive configuration
The change of transmission direction and the shunting of power, so that the load of branch's transmission system reduces, therefore the tooth limited by bearing capacity
Wheel construction reduces, and reduces weight；
(3) entire transmission system is to be longitudinally arranged, therefore entire gear-box is conducive to modular construction and sets at barrel-shaped
Meter, reduces the weight of system；
(4) from the point of view of entire transmission system, due to being driven using power dividing twice, and transmission system is all using letter
Single fixed shaft gear train transmission, it is technically easy to accomplish.
Drive configuration provided by the invention can obtain in fields such as Medium or severe type Helicopter Transmission System, naval vessel transmission systems
To being widely applied, the coaxial dual-rotor helicopter Novel main reducing gear drive configuration of power dividing twice can be used as.
Detailed description of the invention
Fig. 1 is the coaxial rotor transmission device of face gear-roller gear power dividing twice of single-shot power input
Structural schematic diagram；
Fig. 2 is the coaxial rotor transmission device of face gear-roller gear power dividing twice of double motive inputs
Structural schematic diagram；
Fig. 3 is the coaxial rotor transmission device of face gear-roller gear power dividing twice of three motives input
Structural schematic diagram；
Wherein, (a) is just equal sides figure, is (b) top view.
Specific embodiment
The present invention provides a kind of coaxial rotor transmission device of power dividing twice, including base apparatus and at least one
A sub-device is single-shot power input structure shown in FIG. 1 when being equipped with a sub-device；When being equipped with two sub-devices, it is
Double motive input structures shown in Fig. 2；It is three motives input structure shown in Fig. 3 when being equipped with three sub-devices；It is theoretical
On, the present invention may include more sub-devices, but be limited by space, and 3 sub-devices of setting are generally up to about.
Technical solution of the present invention and beneficial effect will be carried out specifically by taking implementation structure shown in FIG. 1 as an example below
It is bright.
In single-shot input structure shown in FIG. 1, base apparatus includes output shaft 1, output shaft 2, roller gear Z8And cylinder
Gear Z8′, wherein roller gear Z8It is fixed on output shaft 1, roller gear Z8′It is fixed on output shaft 2；Sub-device includes circle
Stud wheel Z1, face gear Z2, face gear Z3, roller gear Z2′, roller gear Z4, roller gear Z6, roller gear Z4′, Cylinder Gear
Take turns Z6′, roller gear Z3′, roller gear Z5, roller gear Z7, roller gear Z5′With roller gear Z7′；The biography that the two matches
Dynamic process are as follows: input roller gear Z1While and face gear Z2, face gear Z3It is meshed, realizes change and the power of transmission direction
Shunting；Wherein, face gear Z2With face gear Z3Axis it is identical, up and down face-to-face arrangement.Face gear Z2With roller gear Z2′Gu
Due on the same transmission shaft；Roller gear Z2′Simultaneously with roller gear Z4With roller gear Z6It is meshed, realizes power again
Secondary shunting；Roller gear Z4With roller gear Z4′It is fixed on the same transmission shaft；Roller gear Z6With roller gear Z6′It is fixed
In on the same transmission shaft；Roller gear Z4′With roller gear Z6′Simultaneously with roller gear Z8It is meshed, realizes the confluence of power,
Power and revolving speed are passed into output shaft 1.Face gear Z3With roller gear Z3′It is fixed on the same transmission shaft；Roller gear Z3′
Simultaneously with roller gear Z5With roller gear Z7It is meshed, realizes the shunting again of power；Roller gear Z5With roller gear Z5′Gu
Due on the same transmission shaft；Roller gear Z7With roller gear Z7′It is fixed on the same transmission shaft；Roller gear Z5′And circle
Stud wheel Z7′Simultaneously with roller gear Z8′It is meshed, realizes the confluence of power, power and revolving speed are passed into output shaft 2.Pass through
Above power transfer, the final coaxial rotation for realizing output shaft, and turn to opposite.
In summary, a kind of coaxial rotor transmission device of power dividing twice of the present invention, passes through coaxial face gear
Power dividing transmission, while realizing commutation and power dividing；It is followed by driven by roller gear power dividing, realizes power
It shunts again, reduces load and linear velocity that the gear teeth are born, reduce the volume and weight of gear, improve the function of transmission system
Compare again, transmission efficiency and reliability.
In face gear power dividing, roller gear face gear engagement identical with two axis simultaneously realizes that two-way passes
Dynamic, face gear therein can be straight-tooth face gear, helical teeth face gear, biasing face gear and spiral gear, need to illustrate
It is, in an implementation structure, face gear Z2, face gear Z3Type can be different, those skilled in the art can be according to known
Common sense determines its fit structure；In roller gear power dividing transmission, wherein roller gear is engaged with two roller gears simultaneously.
It is engaged respectively by roller gear power dividing and then by two small cylinder gears with big roller gear and realizes that power converges
Stream realizes power output.Wherein, the steering of two output shafts is opposite.
The above examples only illustrate the technical idea of the present invention, and this does not limit the scope of protection of the present invention, all
According to the technical idea provided by the invention, any changes made on the basis of the technical scheme each falls within the scope of the present invention
Within.
Claims (7)
1. a kind of coaxial rotor transmission device of power dividing twice, it is characterised in that: including base apparatus and at least one
A sub-device, base apparatus include the first output shaft, the second output shaft, the 8th 1 roller gear and the eight or two roller gear, the
Aug. 1st roller gear is fixed on the first output shaft, and the eight or two roller gear is fixed on the second output shaft；Sub-device includes the
Roller gear, the 2nd 1 face gear, the 3rd 1 face gear, the two or two roller gear, the 4th 1 roller gear, the 6th 1 circle one by one
Stud wheel, the four or two roller gear, the six or two roller gear, the three or two roller gear, May Day roller gear, July 1st cylinder
Gear, the five or two roller gear and the seven or two roller gear；
2nd 1 face gear is identical as the axis of the 3rd 1 face gear, and arranges face-to-face up and down；2nd 1 face gear and second
Two roller gears are both secured to second driving shaft；4th 1 roller gear and the four or two roller gear are both secured to the 4th transmission
Axis；6th 1 roller gear and the six or two roller gear are both secured to the 6th transmission shaft；3rd 1 face gear and the three or two cylinder
Gear is both secured to third transmission shaft；May Day roller gear and the five or two roller gear are both secured to the 5th transmission shaft；7th
One roller gear and the seven or two roller gear are both secured to the 7th transmission shaft；
One one roller gear is meshed with the 2nd 1, the 3rd 1 face gear simultaneously, and the two or two roller gear is simultaneously with the 4th 1
Roller gear, the 6th 1 roller gear are meshed, the four or two roller gear and the six or two roller gear simultaneously with the 8th 1 cylinder
Gear is meshed；Three or two roller gear is meshed with May Day roller gear, July 1st roller gear simultaneously, the five or two cylinder
Gear and the seven or two roller gear are meshed with the eight or two roller gear simultaneously.
2. the coaxial rotor transmission device of power dividing twice as described in claim 1, it is characterised in that: the sub- dress
The number set is most 3.
3. the coaxial rotor transmission device of power dividing twice as described in claim 1, it is characterised in that: described second
One, the 3rd 1 face gear uses the face gear of identical or different type.
4. the coaxial rotor transmission device of power dividing twice as claimed in claim 3, it is characterised in that: the face tooth
Wheel is straight-tooth face gear.
5. the coaxial rotor transmission device of power dividing twice as claimed in claim 3, it is characterised in that: the face tooth
Wheel is helical teeth face gear.
6. the coaxial rotor transmission device of power dividing twice as claimed in claim 3, it is characterised in that: the face tooth
Wheel is using biasing face gear.
7. the coaxial rotor transmission device of power dividing twice as claimed in claim 3, it is characterised in that: the face tooth
Wheel uses spiral gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910015859.2A CN109681582A (en) | 2019-01-08 | 2019-01-08 | The coaxial rotor transmission device of power dividing twice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910015859.2A CN109681582A (en) | 2019-01-08 | 2019-01-08 | The coaxial rotor transmission device of power dividing twice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109681582A true CN109681582A (en) | 2019-04-26 |
Family
ID=66192725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910015859.2A Pending CN109681582A (en) | 2019-01-08 | 2019-01-08 | The coaxial rotor transmission device of power dividing twice |
Country Status (1)
| Country | Link |
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| CN (1) | CN109681582A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110562447A (en) * | 2019-09-18 | 2019-12-13 | 南京航空航天大学 | Coaxial reverse dual-rotor transmission device |
| CN111268112A (en) * | 2020-02-27 | 2020-06-12 | 西安工业大学 | Cone tooth-planet tooth composite splitting and converging coaxial dual-rotor variable-speed transmission device |
| CN111268110A (en) * | 2020-02-27 | 2020-06-12 | 西安工业大学 | Coaxial double-rotor variable-speed transmission device with coaxial face gear for twice splitting and converging |
| CN111268114A (en) * | 2020-02-27 | 2020-06-12 | 西安工业大学 | Bevel gear coaxial contra-rotating dual-rotor transmission mechanism |
| CN111365413A (en) * | 2020-02-27 | 2020-07-03 | 湖南工学院 | High-power multi-input multi-output transmission device and assembly method thereof |
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| WO1997022817A1 (en) * | 1995-12-15 | 1997-06-26 | Sikorsky Aircraft Corporation | Method for fabricating a split path transmission providing equal torque splitting |
| US20040211278A1 (en) * | 2003-04-23 | 2004-10-28 | Yuriy Gmirya | Load sharing gear for high torque, split-path transmissions |
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| CN201116589Y (en) * | 2007-08-06 | 2008-09-17 | 刘淮滨 | Constant speed-differential speed, double-shaft reversal export variable-speed gear |
| CN103968003A (en) * | 2014-05-20 | 2014-08-06 | 西北工业大学 | Torque shunting transmission mechanism for helicopter main reducing gear |
| CN109707798A (en) * | 2019-01-07 | 2019-05-03 | 南京航空航天大学 | The coaxial rotor transmission device of bevel gear-roller gear power dividing twice |
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2019
- 2019-01-08 CN CN201910015859.2A patent/CN109681582A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO1997022817A1 (en) * | 1995-12-15 | 1997-06-26 | Sikorsky Aircraft Corporation | Method for fabricating a split path transmission providing equal torque splitting |
| US20040211278A1 (en) * | 2003-04-23 | 2004-10-28 | Yuriy Gmirya | Load sharing gear for high torque, split-path transmissions |
| CN101078431A (en) * | 2007-06-22 | 2007-11-28 | 中国空气动力研究与发展中心低速空气动力研究所 | Rotating shaft swinging attack angle changing device |
| CN201116589Y (en) * | 2007-08-06 | 2008-09-17 | 刘淮滨 | Constant speed-differential speed, double-shaft reversal export variable-speed gear |
| CN103968003A (en) * | 2014-05-20 | 2014-08-06 | 西北工业大学 | Torque shunting transmission mechanism for helicopter main reducing gear |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110562447A (en) * | 2019-09-18 | 2019-12-13 | 南京航空航天大学 | Coaxial reverse dual-rotor transmission device |
| CN110562447B (en) * | 2019-09-18 | 2020-12-11 | 南京航空航天大学 | Coaxial reverse dual-rotor transmission device |
| CN111268112A (en) * | 2020-02-27 | 2020-06-12 | 西安工业大学 | Cone tooth-planet tooth composite splitting and converging coaxial dual-rotor variable-speed transmission device |
| CN111268110A (en) * | 2020-02-27 | 2020-06-12 | 西安工业大学 | Coaxial double-rotor variable-speed transmission device with coaxial face gear for twice splitting and converging |
| CN111268114A (en) * | 2020-02-27 | 2020-06-12 | 西安工业大学 | Bevel gear coaxial contra-rotating dual-rotor transmission mechanism |
| CN111365413A (en) * | 2020-02-27 | 2020-07-03 | 湖南工学院 | High-power multi-input multi-output transmission device and assembly method thereof |
| CN111268114B (en) * | 2020-02-27 | 2024-03-01 | 西安工业大学 | Bevel gear coaxial counter-rotating double-rotor transmission mechanism |
| CN111268110B (en) * | 2020-02-27 | 2024-03-05 | 西安工业大学 | Coaxial double-rotor speed-changing transmission device with coaxial face gears capable of being separated and converged twice |
| CN111268112B (en) * | 2020-02-27 | 2024-03-15 | 西安工业大学 | Cone tooth-planetary tooth compound split converging coaxial double-rotor variable speed transmission device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190426 |
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| RJ01 | Rejection of invention patent application after publication |