CN204297082U - A kind of asymmetric rotary flapping wing lift generating device - Google Patents
A kind of asymmetric rotary flapping wing lift generating device Download PDFInfo
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- CN204297082U CN204297082U CN201420788906.XU CN201420788906U CN204297082U CN 204297082 U CN204297082 U CN 204297082U CN 201420788906 U CN201420788906 U CN 201420788906U CN 204297082 U CN204297082 U CN 204297082U
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- fin
- main shaft
- gear
- pivoted arm
- arm frame
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Abstract
A kind of asymmetric rotary flapping wing lift generating device, belongs to technical field of aerospace.It comprises main shaft, pivoted arm frame, center half gear and equally distributed four identical rotor devices.Main shaft vertical equity is arranged, rear end and pivoted arm frame are connected, and stage casing is connected with center half gear by bearing, and power inputs from the front end of main shaft.Pivoted arm frame is used for support four rotor devices.Each rotor device comprises nearly heart gear, heart gear far away and fin.Fin is the dull and stereotyped fin of the stiff rectangular wing.The gearratio of heart gear far away and nearly heart gears meshing is 1: 1; The gearratio that nearly heart gear engages with center half gear is 1: 1.Guide housing is semicircular arc, is arranged in frame.When the arm of pivoted arm frame is in vertical position directly over main shaft, corresponding fin is horizontally disposed.Power drive main shaft rotates, under flutter process fin and be in level all the time, when raising up, fin is vertical with the arm of pivoted arm frame all the time.The utility model efficiency is high, can produce larger lift.
Description
Technical field
A kind of asymmetric rotary flapping wing lift generating device, belongs to technical field of aerospace, particularly relates to a kind of flapping wing lift generating device.
Background technology
Instigate to produce lift under traditional Lian Gan Ji Ju flapping wing is top, when flapping wing raises up, resistance is comparatively large, and efficiency is lower, and the lift that can produce is limited, is difficult to realize heavy-duty flight, flapping wing lift generating device flapping wing sheet being resetted by flapping wing hoisting mechanism that the patent No. a kind of structure disclosed in the Chinese patent of ZL200910073435.8 is more complicated and existing half-rotating mechanism flapping wing device, although the more traditional flapping wing of efficiency is high, but flutter under fin in process, centre position fin is only had to be horizontal, other time fin and horizontal plane all there is an angle, more leave centre position angle larger, the lift produced is the component of the vertical direction of fin active force, the component of horizontal direction has become loss, therefore the limited efficacy of these two kinds existing flapping wing device generation lift.
Summary of the invention
The object of the invention is the above-mentioned deficiency overcoming existing flapping wing device, invent the asymmetric rotary flapping wing lift generating device that the simple efficiency of a kind of structure is higher.
A kind of asymmetric rotary flapping wing lift generating device, comprises main shaft, pivoted arm frame, guide housing, center half gear and is arranged on the identical rotor device of four structures around the center that is evenly distributed on half gear on pivoted arm frame.Center half gear is one and only has the toothed gear of half cycle, it is fixedly installed in frame, the Dai Chiban Zhou Dynasty of center half gear is right, anodontia half Zhou Dynasty is left, the edge radius of anodontia half cycle is less than the tooth paddy radius of band tooth half cycle, in order to avoid the tooth of the nearly heart gear of rotor device is through the out-of-date anodontia half cycle touching center half gear.Main shaft vertical equity is arranged, the rear end of main shaft and pivoted arm frame are fixed on the center of pivoted arm frame; The stage casing of main shaft is connected in the centre bore of center half gear by bearing and center half gear, flexible rotating in the centre bore of main shaft Neng center half gear; Power inputs from the front end of main shaft.The cross frame of the full symmetric that pivoted arm frame is made up of four identical arms, is used for support four rotor devices.Each rotor device comprises nearly heart gear, heart gear far away and fin.Fin is the dull and stereotyped fin of stiff rectangular.The antifriction cylinder reducing to be close to the energy smart scroll of guide housing inwall sliding friction in two ends, fin left and right is installed in the middle part of the bus limit, two, left and right of fin.The rear end symmetry of fin is fixed in the middle part of the front end face of heart gear far away, and fin is vertical with heart gear far away; The rotating shaft of heart gear far away is arranged on the tip of the arm of pivoted arm frame by bearing, the rotating shaft of nearly heart gear is arranged on the middle part of the arm of pivoted arm frame by bearing, the heart gear far away on same rotor device and nearly heart gears meshing, its gearratio is 1: 1.All nearly heart gears are in Shi Junyu center half, the right side gear engagement of main shaft, and its transmission engage ratio is 1: 1.Guide housing is semicircular arc, keep left and be fixedly mounted in frame, the cornerite scope of guide housing is a bit larger tham 180 °, the upper antifriction cylinder place being in right side to the corresponding fin when the one arm of pivoted arm frame is in 12 o ' clock position, the antifriction cylinder place on the left of being in of the corresponding fin when the one arm of pivoted arm frame is in 6 o ' clock position.Guide housing inwall is the smooth arc-shaped surface of line centered by the axis of main shaft, when this arc radius size just makes fin run in the left side of main shaft, the antifriction cylinder at two ends, fin left and right can be close to the rolling of guide housing inwall simultaneously, guarantees that fin runs to the process of highest point from lowest part on the left of main shaft and remains that the corresponding arm to pivoted arm frame is vertical.The antifriction cylinder running fin when just running to lowest part in order to fin in the below of main shaft from the right side of main shaft toward left side can smoothly transit to guide housing inwall, guide housing lower end be provided be connected with inner wall smooth downward and bandy a bit of.When assembling this asymmetric rotary flapping wing lift generating device, when guaranteeing that the arm of pivoted arm frame is in vertical position directly over main shaft, corresponding fin is horizontally disposed.Each arm configuration of pivoted arm frame is identical, and the section of arm is aerofoil profile.
The operation principle of four rotor devices is identical, for a rotor device, its operation principle is described below: under to flutter original position be that the one arm of pivoted arm frame supporting this rotor device is vertically arranged in directly over main shaft and is namely in 12 o ' clock positions, now the fin of this rotor device is horizontal and is positioned at highest point, and guide housing all covers fin.From the rear end of main shaft toward front end, power inputs from the front end of main shaft, under the driving of power, main shaft rotates clockwise, pivoted arm frame is driven to rotate clockwise, center half gear maintains static, and the Dai Chiban Zhou Dynasty is right, because the gearratio of heart gear far away and nearly heart gears meshing is 1: 1, and nearly heart gear is 1: 1 at the gearratio of Shi Yu center half, the right side gear engagement of main shaft, when flutterring under fin, under the drive of heart gear far away, counterclockwise rotation is flutterred under keeping level, to be in fin when namely vertical position is in 6 o ' clock position immediately below main shaft to be in extreme lower position when the arm of pivoted arm frame goes to, now the left end antifriction cylinder of fin has entered guide housing inwall, complete down the process of flutterring.The process of raising up is: from fin is in extreme lower position, because anodontia half Zhou Dynasty of center half gear is left, and the edge radius of anodontia half cycle is less than the tooth paddy radius of band tooth half cycle, in the left side of longitudinal vertical guide of mistake main shaft, the constraint of nearly heart gear off center half gear, main shaft continues to rotate clockwise under the driving of power, pivoted arm frame is driven to continue to rotate clockwise, due to the constraint of guide housing, the antifriction cylinder at two ends, fin left and right is close to guide housing inwall all simultaneously and is rolled, fin runs to the process of highest point from lowest part and remains vertical with the arm of pivoted arm frame.When the arm of pivoted arm frame go to be in directly over main shaft vertical position be namely in for 12 o'clock time, fin is in extreme higher position, completes the process of raising up, and this rotor device gets back to the initial state of time flutterring process.Main shaft continues clockwise and rotates under the driving of power, enters the next work period.The continuous clockwise of main shaft rotarily drive pivoted arm frame rotate with realize fin continuous under to flutter and raise up motion process, produce lift upwards, the lift that rotating speed produces sooner is larger.Because the section of the arm of pivoted arm frame is aerofoil profile, adjust the angle of attack of arm, thrust forward or backward can also be produced.
Flutter process fin under this contrive equipment and be in level all the time, therefore can produce comparatively lift, because active force does not almost have component in the horizontal direction, therefore the efficiency producing lift is higher.The process fin of raising up remains vertical to the corresponding arm of pivoted arm frame, and resistance is less.
Asymmetric rotary flapping wing lift generating device efficiency of the present invention is higher, can produce larger lift.This device of even numbers between two symmetrical use can manufacture the higher class flapping wing aircraft of efficiency on board the aircraft.This device adopts the power Direct driver of circular motion, conveniently configures power source, controls also very convenient.Power source can adopt internal combustion engine or motor.
Accompanying drawing explanation
Fig. 1 is the schematic rear view of a kind of asymmetric rotary flapping wing lift generating device of the present invention; Fig. 2 is that schematic diagram is looked on a left side of Fig. 1; Fig. 3 is the enlarged diagram of center half gear in Fig. 1.
In figure, 1-main shaft; 2-pivoted arm frame, 21-arm; 3-center half gear, the band tooth half cycle of 31-center half gear, the anodontia half cycle of 32-center half gear, the centre bore of 33-center half gear; 4-rotor device, the nearly heart gear of 41-, 42-heart gear far away, 43-fin, 44-flap edges antifriction cylinder; 5-guide housing; 6-support; 7-rotor device direction of rotation indicates.
Detailed description of the invention
Now 1 ~ 3 couple of the present invention is illustrated by reference to the accompanying drawings: a kind of asymmetric rotary flapping wing lift generating device, comprises main shaft 1, pivoted arm frame 2, guide housing 5, center half gear 3 and is arranged on the identical rotor device 4 of four structures around the center that is evenly distributed on half gear 3 on pivoted arm frame 2.Center half gear 3 is one and only has the toothed gear of half cycle, it is fixedly installed in frame 6, the Dai Chiban Zhou Dynasty 31 of center half gear 3 is right, anodontia half cycle 32 is towards a left side, the edge radius of anodontia half cycle 32 is less than the tooth paddy radius of band tooth half cycle 31, in order to avoid the tooth of the nearly heart gear 41 of rotor device 4 is through the out-of-date anodontia half cycle 32 touching center half gear 3.Main shaft 1 vertical equity is arranged, the rear end of main shaft 1 and pivoted arm frame 2 are fixed on the center of pivoted arm frame 2; The stage casing of main shaft 1 is connected in the centre bore 33 of center half gear 3 by bearing and center half gear 3, flexible rotating in the centre bore 33 of main shaft 1 Neng center half gear 3; Power inputs from the front end of main shaft 1.The cross frame of the full symmetric that pivoted arm frame 2 is made up of four identical arms 21, is used for support four rotor devices 4.Each rotor device 4 comprises nearly heart gear 41, heart gear 42 far away and fin 43.Fin 43 is the dull and stereotyped fin of stiff rectangular.The antifriction cylinder 44 reducing to be close to the energy smart scroll of guide housing 5 inwall sliding friction in fin about 43 two ends is installed in the middle part of the bus limit, two, left and right of fin 43.The rear end symmetry of fin 43 is fixed in the middle part of the front end face of heart gear 42 far away, and fin 43 is vertical with heart gear 42 far away; The rotating shaft of heart gear 42 far away is arranged on the tip of the arm 21 of pivoted arm frame 2 by bearing, the rotating shaft of nearly heart gear 41 is arranged on the middle part of the arm 21 of pivoted arm frame 2 by bearing, heart gear 42 far away on same rotor device 4 engages with nearly heart gear 41, and its gearratio is 1: 1.All nearly heart gears 41 engage at Shi Junyu center half, the right side gear 3 of main shaft 1, and its transmission engage ratio is 1: 1.Guide housing 5 is in semicircular arc, keep left and be fixedly mounted in frame 6, the cornerite scope of guide housing 5 is a bit larger tham 180 °, upper antifriction cylinder 44 place being in right side to the corresponding fin 43 when the one arm 21 of pivoted arm frame 2 is in 12 o ' clock position, the antifriction cylinder place on the left of being in of the corresponding fin 43 when the one arm 21 of pivoted arm frame 2 is in 6 o ' clock position.Guide housing 5 inwall is the smooth arc-shaped surface of line centered by the axis of main shaft 1, when this arc radius size just makes fin 43 run in the left side of main shaft 1, the antifriction cylinder 44 at fin about 43 two ends can be close to the rolling of guide housing 5 inwall simultaneously, guarantees that fin 43 runs to the process of highest point from lowest part on the left of main shaft 1 and remains that the corresponding arm 21 to pivoted arm frame 2 is vertical.The antifriction cylinder 44 running the wing 43 when just running to lowest part in order to fin 43 in the below of main shaft 1 from the right side of main shaft 1 toward left side can smoothly transit to guide housing 5 inwall, guide housing 5 lower end be provided be connected with inner wall smooth downward and bandy a bit of.When assembling this asymmetric rotary flapping wing lift generating device, when guaranteeing that the arm 21 of pivoted arm frame 2 is in vertical position directly over main shaft 1, corresponding fin 43 is horizontally disposed.Each arm 21 structure of pivoted arm frame 2 is identical, and the section of arm 21 is aerofoil profile.
The operation principle of four rotor devices 4 is identical, for a rotor device 4, its operation principle is described below: under to flutter original position be that the one arm 21 of pivoted arm frame 2 supporting this rotor device 4 is vertically arranged in directly over main shaft 1 and is namely in 12 o ' clock positions, now the fin 43 of this rotor device 4 is horizontal and is positioned at highest point, and guide housing 5 all covers fin 43.From the rear end of main shaft 1 toward front end, power inputs from the front end of main shaft 1, under the driving of power, main shaft 1 rotates clockwise, pivoted arm frame 2 is driven to rotate clockwise, center half gear 3 maintains static, and band tooth half cycle 31 is towards the right side, the gearratio engaged with nearly heart gear 41 due to heart gear 42 far away is 1: 1, and the gearratio that nearly heart gear 41 engages at Shi Yu center half, the right side gear 3 of main shaft 1 is 1: 1, when fin is flutterred for 43 times, under the drive of heart gear 42 far away, counterclockwise rotation is flutterred under keeping level, to be in fin 43 when namely vertical position is in 6 o ' clock position immediately below main shaft 1 to be in extreme lower position when the arm 21 of pivoted arm frame 2 goes to, now the left end antifriction cylinder 44 of fin 43 has entered guide housing 5 inwall, complete down the process of flutterring.The process of raising up is: from fin 43 is in extreme lower position, because the anodontia half cycle 32 of center half gear 3 is towards a left side, and the edge radius of anodontia half cycle 32 is less than the tooth paddy radius of band tooth half cycle 31, in the left side of longitudinal vertical guide of mistake main shaft 1, the constraint of nearly heart gear 41 off center half gear 3, main shaft 1 continues to rotate clockwise under the driving of power, pivoted arm frame 2 is driven to continue to rotate clockwise, due to the constraint of guide housing 5, the antifriction cylinder 44 at fin about 43 two ends is close to guide housing 5 inwall all simultaneously and is rolled, fin 43 runs to the process of highest point from lowest part and remains that the arm 21 with pivoted arm frame 2 is vertical.When the arm 21 of pivoted arm frame 2 go to be in directly over main shaft 1 vertical position be namely in for 12 o'clock time, fin 43 is in extreme higher position, completes the process of raising up, and this rotor device 4 gets back to the initial state of time flutterring process.Main shaft 1 continues clockwise and rotates under the driving of power, enters the next work period.Main shaft 1 continuously clockwise rotarily drive pivoted arm frame 2 rotate to realize fin 43 continuous under to flutter and raise up motion process, produce lift upwards, the lift that rotating speed produces sooner is larger.Because the section of the arm 21 of pivoted arm frame 2 is aerofoil profile, adjust the angle of attack of arm 21, thrust forward or backward can also be produced.
Flutter process fin 43 under this contrive equipment and be in level all the time, therefore can produce comparatively lift, because active force does not almost have component in the horizontal direction, therefore the efficiency producing lift is higher.The process that raises up fin 43 remains vertical to the corresponding arm 21 of pivoted arm frame 2, and resistance is less.
Asymmetric rotary flapping wing lift generating device efficiency of the present invention is higher, can produce larger lift.This device of even numbers between two symmetrical use can manufacture the higher class flapping wing aircraft of efficiency on board the aircraft.This device adopts the power Direct driver of circular motion, conveniently configures power source, controls also very convenient.Power source can adopt internal combustion engine or motor.
Claims (4)
1. an asymmetric rotary flapping wing lift generating device, is characterized in that: comprise main shaft (1), pivoted arm frame (2), guide housing (5), center half gear (3) and be arranged on the identical rotor device (4) of the center that is evenly distributed on half gear (3) on pivoted arm frame (2) four structures around; Center half gear (3) is one and only has the toothed gear of half cycle, it is fixedly installed in frame (6), the Dai Chiban Zhou Dynasty (31) at center half gear (3) is right, and anodontia half cycle (32) is towards a left side, and the edge radius of anodontia half cycle (32) is less than the tooth paddy radius of band tooth half cycle (31); Main shaft (1) vertical equity is arranged, the rear end of main shaft (1) and pivoted arm frame (2) are fixed on the center of pivoted arm frame (2); The stage casing of main shaft (1) is connected in the centre bore (33) at center half gear (3) by bearing and center half gear (3), centre bore (33) the interior flexible rotating at main shaft (1) Neng center half gear (3); Power inputs from the front end of main shaft (1); The cross frame of a full symmetric being used for support four rotor devices (4) that pivoted arm frame (2) is made up of four identical arms (21); Each rotor device (4) comprises nearly heart gear (41), heart gear (42) far away and fin (43); Fin (43) is the dull and stereotyped fin of stiff rectangular; The rear end symmetry of fin (43) is fixed in the middle part of the front end face of heart gear (42) far away, and fin (43) is vertical with heart gear (42) far away; The rotating shaft of heart gear (42) far away is arranged on the tip of the arm (21) of pivoted arm frame (2) by bearing, the rotating shaft of nearly heart gear (41) is arranged on the middle part of the arm (21) of pivoted arm frame (2) by bearing, heart gear (42) far away on same rotor device (4) is engaged with nearly heart gear (41), and its gearratio is 1: 1; All nearly heart gears (41) are engaged at the Shi Junyu center half, right side gear (3) of main shaft (1), and its transmission engage ratio is 1: 1; Guide housing (5) is in semicircular arc, and keep left and be fixedly mounted in frame (6), the cornerite scope of guide housing (5) is a bit larger tham 180 °; Guide housing (5) inwall is the smooth arc-shaped surface of line centered by the axis of main shaft (1), and this arc radius size just makes fin (43) run to from lowest part on the left of main shaft (1) the process of highest point and remains vertical with the corresponding arm (21) of pivoted arm frame (2); When the arm (21) of pivoted arm frame (2) is in vertical position directly over main shaft (1), corresponding fin (43) is horizontally disposed.
2. a kind of asymmetric rotary flapping wing lift generating device according to claim 1, is characterized in that: be provided with the antifriction cylinder (44) reducing to be close to the energy smart scroll of guide housing (5) inwall sliding friction in fin (43) two ends, left and right in the middle part of the bus limit, two, left and right of fin (43).
3. a kind of asymmetric rotary flapping wing lift generating device according to claim 1, is characterized in that: guide housing (5) lower end be provided be connected with inner wall smooth downward and bandy a bit of.
4. a kind of asymmetric rotary flapping wing lift generating device according to claim 1, is characterized in that: the section of the arm (21) of pivoted arm frame (2) is aerofoil profile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420788906.XU CN204297082U (en) | 2014-12-15 | 2014-12-15 | A kind of asymmetric rotary flapping wing lift generating device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420788906.XU CN204297082U (en) | 2014-12-15 | 2014-12-15 | A kind of asymmetric rotary flapping wing lift generating device |
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| CN204297082U true CN204297082U (en) | 2015-04-29 |
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| CN201420788906.XU Withdrawn - After Issue CN204297082U (en) | 2014-12-15 | 2014-12-15 | A kind of asymmetric rotary flapping wing lift generating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104494827A (en) * | 2014-12-15 | 2015-04-08 | 佛山市神风航空科技有限公司 | Asymmetric rotation flapping wing lift force generating device |
-
2014
- 2014-12-15 CN CN201420788906.XU patent/CN204297082U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104494827A (en) * | 2014-12-15 | 2015-04-08 | 佛山市神风航空科技有限公司 | Asymmetric rotation flapping wing lift force generating device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150429 Effective date of abandoning: 20160831 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |