CN103791029A - Transmission system of unmanned rotor wing helicopter - Google Patents
Transmission system of unmanned rotor wing helicopter Download PDFInfo
- Publication number
- CN103791029A CN103791029A CN201410074420.4A CN201410074420A CN103791029A CN 103791029 A CN103791029 A CN 103791029A CN 201410074420 A CN201410074420 A CN 201410074420A CN 103791029 A CN103791029 A CN 103791029A
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- China
- Prior art keywords
- gear
- main shaft
- concentric
- driven
- transmission system
- 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.)
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/54—Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement
- B64C27/58—Transmitting means, e.g. interrelated with initiating means or means acting on blades
- B64C27/59—Transmitting means, e.g. interrelated with initiating means or means acting on blades mechanical
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/038—Gearboxes for accommodating bevel gears
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Toys (AREA)
Abstract
The invention relates to a transmission system of an unmanned rotor wing helicopter. The transmission system comprises a drive shaft, a concentric drive gear, a driven shaft, a concentric driven gear, a concentric main shaft gear A and a concentric main shaft gear B. The concentric drive gear is fixedly arranged at the output end of the drive shaft, the concentric driven gear is fixedly arranged at the input end of the driven shaft, the concentric main shaft gear A penetrates through a main shaft and is fixedly connected with the main shaft, and the concentric main shaft gear B is located below the main shaft gear A, penetrates through the main shaft and is movably connected with the main shaft. The unmanned rotor wing helicopter comprises a rotor wing head and the main shaft fixedly connected with the rotor wing head. The main shaft gear A, the main shaft gear B, the drive gear and the driven gear are spiral beveled gears. The drive gear and the driven gear are symmetrically arranged in a concentric mode, the main shaft gear A is respectively meshed with the drive gear and the driven gear, and the main shaft gear B is respectively meshed with the drive gear and the driven gear. Mutual offset of force is achieved, gear abrasion is reduced, stability of the transmission system is improved, service life of the device is prolonged, and production cost is reduced.
Description
Technical field
The invention belongs to the transmission system technical field of aircraft, specifically, relate to a kind of transmission system that is applied to unmanned rotary wing helicopter.
Background technique
The transmission system of existing unmanned rotary wing helicopter is to adopt the mode of ratchet transmission to carry out transmission of power, and it is relatively simple for structure.The driving force of unmanned rotary wing lifting airscrew is larger, when gear engagement simultaneously, also can produce larger torsion and stress, the time one is long, very easily occurs the situation of gear shifting quadrant texturing, the even tired broken teeth of wearing and tearing, in the working life that has greatly shortened unmanned rotary wing helicopter, even cause the generation of security incident.
Summary of the invention
For solving the problems of the technologies described above, the present invention proposes a kind of gear engagement torsion and stress eliminated, reduce gear wear, reduce gear tooth breakage risk, be applied to the transmission system of unmanned rotary wing helicopter.
Technological scheme of the present invention is: a kind of transmission system of unmanned rotary wing helicopter, described unmanned rotary wing helicopter comprise rotor head, with the affixed main shaft of rotor head.Described transmission system comprises driving shaft, be fixedly installed on the concentric driving gear of driving shaft output terminal, driven shaft, be fixedly installed on the concentric driven gear of driven shaft input end, the concentric mainshaft gear A being fixedly connected with and the concentric mainshaft gear B that is positioned at described mainshaft gear A below, is flexibly connected on described main shaft and with main shaft on described main shaft and with main shaft.Described mainshaft gear A, mainshaft gear B, driving gear and driven gear are spiral bevel gear.Described driving gear and driven gear are symmetrical arranged with one heart, and described mainshaft gear A engages with described driving gear and driven gear respectively, and described mainshaft gear B engages with described driving gear and driven gear respectively.Described driving gear, mainshaft gear A, driven gear, mainshaft gear B between two engaging become symmetrical closed-system, this structure is dispersed to torsion and stress equilibrium that in prior art, gear bears when ratchet transmission on driving gear and driven gear, cancelling out each other of realizable force, reduce gear wear, increased the stability of transmission system.
Described mainshaft gear B is connected with described main shaft by bearing.
Described mainshaft gear A, mainshaft gear B, driving gear and driven gear outer cladding arrange lock case.
Described lock case above and below is respectively equipped with dividing plate, and dividing plate is the positioning device of mast, and effect is that main shaft is fixed and is supported.
Beneficial effect of the present invention is: the torsion technical problem of concentrating the gear wear that cause relative to stress that while having solved ratchet transmission in prior art, gear bears, the present invention is dispersed to this part torsion and stress equilibrium on driving gear and driven gear, cancelling out each other of realizable force, reduce gear wear, increase the stability of transmission system, extend the working life of device, reduced cost of production.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Wherein, 1, rotor head; 2, main shaft; 3, mainshaft gear A; 4, driving gear; 5, driving shaft; 6, lock case; 7, mainshaft gear B; 8, driven shaft; 9, driven gear; 10, bearing.
Embodiment
Illustrate the present invention below in conjunction with drawings and Examples.
As shown in Figure 1: the present invention is the transmission system that is applied to unmanned rotary wing helicopter, unmanned rotary wing helicopter comprises rotor head 1, the main shaft 2 affixed with rotor head 1, transmission system comprises driving shaft 5, be fixedly installed on the concentric driving gear 4 of driving shaft 5 output terminals, driven shaft 8, be fixedly installed on the concentric driven gear 9 of driven shaft 8 input ends, on main shaft 2, and the concentric mainshaft gear A3 being fixedly connected with main shaft 2, be positioned at mainshaft gear A3 below, on main shaft 2, and the concentric mainshaft gear B7 being flexibly connected with main shaft 2, mainshaft gear A3, mainshaft gear B7, driving gear 4 and driven gear 9 are spiral bevel gear, driving gear 4 and driven gear 9 are symmetrical arranged with one heart, and mainshaft gear A3 engages with driving gear 4 and driven gear 9 respectively, and mainshaft gear B7 engages with driving gear 4 and driven gear 9 respectively.Driving gear 4, mainshaft gear A3, driven gear 9, mainshaft gear B7 between two engaging become symmetrical closed-system, this structure is dispersed to torsion and stress equilibrium that in prior art, gear bears when ratchet transmission on driving gear 4 and driven gear 9, cancelling out each other of realizable force, reduce gear wear, increased the stability of transmission system.
Mainshaft gear B7 is connected with main shaft 2 by bearing 10.
Mainshaft gear A3, mainshaft gear B7, driving gear 4 and driven gear 9 outer claddings arrange lock case 6.
Working procedure of the present invention is as follows:
When the operation aloft of unmanned rotary wing helicopter, the motor of driving shaft 5 provides power, driving shaft 5 High Rotation Speeds, and driving gear 4 rotates with mainshaft gear A3 and mainshaft gear B7 interlock respectively, drives driven gear 9 to rotate simultaneously.As shown in Figure 1, suppose that driving shaft rotates along the diagram direction of arrow, drive driving gear 4 rotating Vortexes simultaneously, mainshaft gear A3 rotates from left to right, drives rotor head 1 rotating Vortex, drive simultaneously driven gear 9 by with the direction rotation of driving shaft 5 switched in opposite.
Claims (4)
1. the transmission system of a unmanned rotary wing helicopter, described unmanned rotary wing helicopter comprises rotor head (1), the main shaft (2) affixed with rotor head (1), it is characterized in that: described transmission system comprises driving shaft (5), be fixedly installed on the concentric driving gear (4) of driving shaft (5) output terminal, driven shaft (8), be fixedly installed on the concentric driven gear (9) of driven shaft (8) input end, on main shaft (2), and the concentric mainshaft gear A(3 being fixedly connected with main shaft (2)), and be positioned at mainshaft gear A(3) below, on main shaft (2), and the concentric mainshaft gear B(7 being flexibly connected with main shaft (2)), described mainshaft gear A(3), mainshaft gear B(7), driving gear (4) and driven gear (9) be spiral bevel gear, driving gear (4) and driven gear (9) are symmetrical arranged with one heart, mainshaft gear A(3) engage respectively mainshaft gear B(7 with driving gear (4) and driven gear (9)) engage with driving gear (4) and driven gear (9) respectively.
2. the transmission system of unmanned rotary wing helicopter according to claim 1, is characterized in that, the mainshaft gear B(7 of institute) be connected with main shaft (2) by bearing (10).
3. the transmission system of unmanned rotary wing helicopter according to claim 1, is characterized in that, the mainshaft gear A(3 of institute), mainshaft gear B(7), driving gear (4) and driven gear (9) outer cladding arrange lock case (6).
4. the transmission system of unmanned rotary wing helicopter according to claim 1, is characterized in that, described lock case (6) above and below is respectively equipped with dividing plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410074420.4A CN103791029B (en) | 2014-03-03 | 2014-03-03 | Transmission system of unmanned rotor wing helicopter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410074420.4A CN103791029B (en) | 2014-03-03 | 2014-03-03 | Transmission system of unmanned rotor wing helicopter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103791029A true CN103791029A (en) | 2014-05-14 |
| CN103791029B CN103791029B (en) | 2017-01-18 |
Family
ID=50666976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410074420.4A Active CN103791029B (en) | 2014-03-03 | 2014-03-03 | Transmission system of unmanned rotor wing helicopter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103791029B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104787323A (en) * | 2015-04-01 | 2015-07-22 | 天峋创新（北京）科技有限公司 | Unmanned helicopter transmission mechanism with combination of synchronous belt and wet type speed reducer |
| CN106812924A (en) * | 2017-02-21 | 2017-06-09 | 陈洁 | A kind of transmission case for inside small size lathe |
| CN107380412A (en) * | 2017-05-27 | 2017-11-24 | 天津曙光天成科技有限公司 | A kind of twin-engined depopulated helicopter deceleration transmission systems and depopulated helicopter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2546207A1 (en) * | 2006-05-08 | 2007-11-08 | Guangming Minc He | Flying vehicle |
| CN201148211Y (en) * | 2007-10-12 | 2008-11-12 | 刘世英 | Helicopter main shaft oscillation transmission mechanism |
| US20090057481A1 (en) * | 2007-08-29 | 2009-03-05 | Charles Lin | Dual-Power Transmission Device for a Twin-Rotor Helicopter |
| CN201209648Y (en) * | 2008-06-13 | 2009-03-18 | 河北理工大学 | Transmission mechanism of aeromodelling helicopter |
| CN203743312U (en) * | 2014-03-03 | 2014-07-30 | 青岛宏百川金属精密制品有限公司 | Transmission system for unmanned rotor wing helicopter |
-
2014
- 2014-03-03 CN CN201410074420.4A patent/CN103791029B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2546207A1 (en) * | 2006-05-08 | 2007-11-08 | Guangming Minc He | Flying vehicle |
| US20090057481A1 (en) * | 2007-08-29 | 2009-03-05 | Charles Lin | Dual-Power Transmission Device for a Twin-Rotor Helicopter |
| CN201148211Y (en) * | 2007-10-12 | 2008-11-12 | 刘世英 | Helicopter main shaft oscillation transmission mechanism |
| CN201209648Y (en) * | 2008-06-13 | 2009-03-18 | 河北理工大学 | Transmission mechanism of aeromodelling helicopter |
| CN203743312U (en) * | 2014-03-03 | 2014-07-30 | 青岛宏百川金属精密制品有限公司 | Transmission system for unmanned rotor wing helicopter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104787323A (en) * | 2015-04-01 | 2015-07-22 | 天峋创新（北京）科技有限公司 | Unmanned helicopter transmission mechanism with combination of synchronous belt and wet type speed reducer |
| CN106812924A (en) * | 2017-02-21 | 2017-06-09 | 陈洁 | A kind of transmission case for inside small size lathe |
| CN107380412A (en) * | 2017-05-27 | 2017-11-24 | 天津曙光天成科技有限公司 | A kind of twin-engined depopulated helicopter deceleration transmission systems and depopulated helicopter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103791029B (en) | 2017-01-18 |
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