CN102079387A - Gear-driven propeller of helicopter - Google Patents
Gear-driven propeller of helicopter Download PDFInfo
- Publication number
- CN102079387A CN102079387A CN2011100032846A CN201110003284A CN102079387A CN 102079387 A CN102079387 A CN 102079387A CN 2011100032846 A CN2011100032846 A CN 2011100032846A CN 201110003284 A CN201110003284 A CN 201110003284A CN 102079387 A CN102079387 A CN 102079387A
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- Prior art keywords
- propeller
- gear
- screw propeller
- helicopter
- framed structure
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Abstract
The invention relates to a gear-driven propeller of a helicopter, belonging to the technical field of power plant propulsion. The propeller is of a frame structure composed of a support frame and a shell, a gear ring and a shaft sleeve are fixedly connected together by virtue of multiple propeller blades in each propeller gear, a power shaft drives the propeller gear arranged on a propeller supporting shaft to rotate by virtue of a driving gear, the propeller supporting shaft and the frame structure are in permanent connection, and a weight is suspended at the lower end of the propeller supporting shaft. The device combining the propeller and a drive mechanism has the following advantages: the diameter of the propeller is small, and the exterior is provided with a protection support frame to achieve an anti-collision function, thus the device can take off and land on a common road; the propeller is provided with multiple blades and is of an umbrella type, thus the slow descending function of a parachute can be realized when the device stops in the air; the blades are thin and light, the noise is less, and the vibration is small, thus the fatigue of personnel onboard is reduced; the bearing capacity is changed into four points of a propeller protection frame from one point of the traditional helicopter, thus a load can be born uniformly; and the structure is simple, the operation is flexible, the propulsive efficiency is high, and the device is safe and reliable and is convenient for maintaining.
Description
Technical field
The present invention relates to a kind of Helicopter Gear Transmission screw propeller, belong to engine installation Push Technology field.
Background technology
Existing helicopter screw propeller blade is longer, the shared space that has living space and occupy of revolving vane much larger than fuselage,, needing broader air route and bigger hardstand, this also directly influences helicopter to miniaturization, the development of lightness aspect.Electronic helicopter screw propeller adopts installs four electric screw paddle structures on a circular frame, though its structure is simple, turn to flexibly, and maneuvering performance, motor weight is big, can influence the Combination property of complete machine.
Summary of the invention
At above-mentioned problems of the prior art, the present invention proposes a kind of Helicopter Gear Transmission screw propeller.This screw propeller should overcome the shortcoming of major diameter propeller blade, adopts minor diameter multiple propeller unitized construction, improves the Combination property of complete machine, for miniaturization, the lightness of helicopter are opened up a new road.
The technical solution used in the present invention is: a kind of Helicopter Gear Transmission screw propeller, it mainly comprises a dynamical axis and screw propeller.It also comprises a framed structure that is made of a plurality of bracing frames and shell, described screw propeller adopts 2-4 screw propeller gear, each screw propeller gear adopts 8-40 propeller blade that gear ring and axle sleeve are fixed together, shape is like umbrella shape, between gear ring and framed structure, be provided with thrust baring, described dynamical axis is through the screw propeller gear rotation of driving gear drive installation on the screw propeller pivot shaft, and the screw propeller pivot shaft becomes captive joint with framed structure, and hangs weight in the lower end.
Described screw propeller gear is provided with miniature gears in the position near shell, and miniature gears is installed on the pinion shaft that is fixed together with described framed structure.
Described framed structure adopts individual upward convex framework of 2-4 and the individual convex framework down of 2-4 to be connected with shell, and each convex framework adopts the individual bracing frame that bends to arc of 8-16 to link together.
Described thrust baring is arranged on the place, last plane and the lower plane place of gear ring.
The invention has the beneficial effects as follows: this Helicopter Gear Transmission screw propeller adopts a framed structure that is made of bracing frame and shell, each screw propeller gear adopts more propeller blade that gear ring and axle sleeve are fixed together, dynamical axis is through the screw propeller gear rotation of driving gear drive installation on the screw propeller pivot shaft, the screw propeller pivot shaft becomes captive joint with framed structure, and hangs weight in the lower end.The device that above-mentioned screw propeller and transmission device combine has following advantage: diameter of propeller is little, and the outside is provided with protection supporting frame, and anticollision can landing on average highway; Blade is many, is umbrella shape, and when shutting down in the air, that can play parachute slowly falls effect; Blade is frivolous, and noise is low, vibrates for a short time, alleviates the personnel's of seizing the opportunity fatigue; Bearing capacity is by 4 points that a bit become the screw propeller protective frame of conventional helicopters, and bearing load is even; Simple in structure, flexible operation, the propulsion coefficient height, safe and reliable, maintaining is convenient.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is a kind of structure birds-eye view of Helicopter Gear Transmission screw propeller.
Fig. 2 is the A-A cutaway view among Fig. 1.
Fig. 3 is the B-B cutaway view among Fig. 1.
Among the figure: 1, dynamical axis, 2, the screw propeller pivot shaft, 3, pinion shaft, 4, driving gear, 5, the screw propeller gear, 5a, gear ring, 5b, axle sleeve, 6, miniature gears, 7, propeller blade, 8, bracing frame, 9, shell, 10, thrust baring.
The specific embodiment
Fig. 1,2,3 shows a kind of constructional drawing of Helicopter Gear Transmission screw propeller.Among the figure, the dynamical axis 1 of primary mover drives four screw propeller work through the set of gears transmission device.A framed structure that is made of eight bracing frames 8 and shell 9 is the supporting member of whole transmission device, and 4 of framed structure employings are gone up the convex framework and are connected with shell 9 with 4 following convex frameworks.Except that four screw propeller schemes shown in the figure, also can adopt two screw propellers or three screw propeller schemes, because concrete structure is quite similar, just do not describe in detail here.
Fig. 1 is the structure birds-eye view of geared airscrew.There is shown the relative position relation between a driving gear 4, four screw propeller gears 5 and eight miniature gearss 6.The convex framework that the bracing frame 8 of eight alternate miter angles of employing constitutes is corresponding with screw propeller gear 5.Screw propeller gear 5 adopts eight propeller blade 7 rectangular distributions that gear ring 5a and axle sleeve 5b are fixed together.
Fig. 2 is the A-A cutaway view among Fig. 1.Each convex framework adopts the bracing frame 8 that bends to arc to link together with shell 9.A dynamical axis 1 is captiveed joint with driving gear 4, and driving gear 4 drives 5 rotations of screw propeller gear, also is provided with the miniature gears 6 that plays the role of positioning between screw propeller gear 5 and shell 9.
Screw propeller gear 5 can only rotate on screw propeller pivot shaft 2, miniature gears 6 can only rotate on pinion shaft 3, pinion shaft 3 is to be fixed on the framed structure, screw propeller pivot shaft 2 is fixed on the top of convex framework and following convex framework, can hang weight in the lower end of screw propeller pivot shaft 2.
Fig. 3 is the B-B cutaway view among Fig. 1.Mainly show screw propeller gear 5 among the figure and adopt propeller blade 7 that gear ring 5a and axle sleeve 5b are fixed together, be provided with thrust baring 10 between place, plane and lower plane place and the framed structure on the gear ring 5a.
Claims (4)
1. Helicopter Gear Transmission screw propeller, it mainly comprises a dynamical axis (1) and screw propeller, it is characterized in that: it also comprises a framed structure that is made of a plurality of bracing frames (8) and shell (9), described screw propeller adopts 2-4 screw propeller gear (5), each screw propeller gear (5) adopts 8-40 propeller blade (7) that gear ring (5a) and axle sleeve (5b) are fixed together, between gear ring (5a) and framed structure, be provided with thrust baring (10), described dynamical axis (1) is through screw propeller gear (5) rotation of driving gear (4) drive installation on screw propeller pivot shaft (2), screw propeller pivot shaft (2) becomes captive joint with framed structure, and hangs weight in the lower end.
2. according to the described a kind of Helicopter Gear Transmission screw propeller of claim 1, it is characterized in that: described screw propeller gear (5) is provided with miniature gears (6) in the position near shell (9), and miniature gears (6) is installed on the pinion shaft (3) that is fixed together with described framed structure.
3. according to the described a kind of Helicopter Gear Transmission screw propeller of claim 1, it is characterized in that: described framed structure adopts individual upward convex framework of 2-4 and the individual convex framework down of 2-4 to be connected with shell (9), and each convex framework adopts the individual bracing frame (8) that bends to arc of 8-16 to link together.
4. according to the described a kind of Helicopter Gear Transmission screw propeller of claim 1, it is characterized in that: described thrust baring (10) is arranged on the place, last plane and the lower plane place of gear ring (5a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100032846A CN102079387B (en) | 2011-01-08 | 2011-01-08 | Gear-driven propeller of helicopter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100032846A CN102079387B (en) | 2011-01-08 | 2011-01-08 | Gear-driven propeller of helicopter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102079387A true CN102079387A (en) | 2011-06-01 |
| CN102079387B CN102079387B (en) | 2012-11-21 |
Family
ID=44085626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100032846A Expired - Fee Related CN102079387B (en) | 2011-01-08 | 2011-01-08 | Gear-driven propeller of helicopter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102079387B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104181919A (en) * | 2014-07-29 | 2014-12-03 | 杭州行之云网络有限公司 | Aircraft |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB597931A (en) * | 1943-08-12 | 1948-02-06 | Archibald Graham Forsyth | Improvements in pitch changing mechanisms for screw propellers |
| CN1305922A (en) * | 2001-02-23 | 2001-08-01 | 谭锦章 | Propeller |
| US20030042357A1 (en) * | 2001-08-31 | 2003-03-06 | Van Cor Dale E. | Transmission system |
| US6626059B1 (en) * | 1997-08-22 | 2003-09-30 | Zf Luftfahrttechnik Gmbh | Gearbox with torque division, in particular for a helicopter rotor drive |
| CN1762763A (en) * | 2004-10-18 | 2006-04-26 | 李荣德 | Radial type screw propeller |
| ES2326201A1 (en) * | 2007-05-08 | 2009-10-02 | Fco. Javier Porras Vila | Aircraft of four groups of helicos and wings of advance (Machine-translation by Google Translate, not legally binding) |
| CN201907653U (en) * | 2011-01-08 | 2011-07-27 | 周晓明 | Helicopter gear-drive propeller |
-
2011
- 2011-01-08 CN CN2011100032846A patent/CN102079387B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB597931A (en) * | 1943-08-12 | 1948-02-06 | Archibald Graham Forsyth | Improvements in pitch changing mechanisms for screw propellers |
| US6626059B1 (en) * | 1997-08-22 | 2003-09-30 | Zf Luftfahrttechnik Gmbh | Gearbox with torque division, in particular for a helicopter rotor drive |
| CN1305922A (en) * | 2001-02-23 | 2001-08-01 | 谭锦章 | Propeller |
| US20030042357A1 (en) * | 2001-08-31 | 2003-03-06 | Van Cor Dale E. | Transmission system |
| CN1762763A (en) * | 2004-10-18 | 2006-04-26 | 李荣德 | Radial type screw propeller |
| ES2326201A1 (en) * | 2007-05-08 | 2009-10-02 | Fco. Javier Porras Vila | Aircraft of four groups of helicos and wings of advance (Machine-translation by Google Translate, not legally binding) |
| CN201907653U (en) * | 2011-01-08 | 2011-07-27 | 周晓明 | Helicopter gear-drive propeller |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104181919A (en) * | 2014-07-29 | 2014-12-03 | 杭州行之云网络有限公司 | Aircraft |
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| Publication number | Publication date |
|---|---|
| CN102079387B (en) | 2012-11-21 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20160108 |