CN104443356B - A kind of band half-rotating mechanism lift wing - Google Patents
A kind of band half-rotating mechanism lift wing Download PDFInfo
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- CN104443356B CN104443356B CN201410769726.1A CN201410769726A CN104443356B CN 104443356 B CN104443356 B CN 104443356B CN 201410769726 A CN201410769726 A CN 201410769726A CN 104443356 B CN104443356 B CN 104443356B
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Abstract
A kind of band half-rotating mechanism lift wing, belongs to vehicle technology field, relates to a kind of wing, including wing body and rotating vane device. Wing body upper surface has a groove, and rotating vane device is arranged on groove and is built between root end plate and tip end plate. Rotating vane device includes main shaft, central gear and be evenly distributed on around central gear three or the identical rotating vane of four structures. Main shaft transverse horizontal is arranged vertical with the root end plate of wing body and tip end plate. Central gear is fixedly mounted on root end plate. Main shaft is connected with central gear by bearing. Power inputs from the left end of main shaft. Each rotating vane includes arm axle, lobus sinister axle, nearly heart gear, arm axle sleeve pipe, telecentricity gear, leaf-teeth wheel, blade, lobus dexter axle and pivoted arm. The gear ratio that central gear is taken turns with leaf-teeth is 2: 1. When the arm axle of rotating vane is in directly over main shaft, the blade of this rotating vane and this arm axle are in same horizontal vertical guide. This lift wing can produce bigger lift, and effective angle of attack scope is big. Adapt to low-speed operations device use.
Description
Technical field
A kind of band half-rotating mechanism lift wing, belongs to vehicle technology field, particularly relates to a kind of wing producing lift.
Background technology
The surface of traditional wing is smooth, aerofoil profile has symmetric form and asymmetric, symmetric form is substantially convex under epirelief, and asymmetric have flat pattern or epirelief concave shape under epirelief, and within the scope of effective angle of attack, they can produce lift, the lift produced is limited, and effective angle of attack scope is little, when the angle of attack increases to a certain degree, the air-flow of its upper surface can produce to separate, and namely produces stall event, resistance rises suddenly, and lift declines suddenly.
Summary of the invention
It is an object of the invention to overcome the above-mentioned deficiency of traditional wing, invent the high-lift band half-rotating mechanism lift wing that a kind of effective angle of attack scope is big.
A kind of band half-rotating mechanism lift wing, including wing body and rotating vane device. Wing body upper surface has a cross section like fan-shaped groove, and the two ends of groove and the root of wing body and tip are provided with end plate, and rotating vane device is arranged on groove and is built between the root end plate of wing body and tip end plate. The latter half of rotating vane device is substantially surrounded by groove, and the first half of rotating vane device substantially exposes to above wing body. The aerofoil profile of wing body adopts thick wing type. The leading edge of wing body is more perfectly round, and trailing edge is more tapering. Wing body upper surface is the curved surface raised up except groove, the curved surface that lower surface is substantially planar or recessed slightly up. The concrete structure of rotating vane device is: rotating vane device includes the rotating vane that the different structure of the setting angle of main shaft, central gear and be evenly distributed on around central gear three or four only blade is identical. From the trailing edge of wing body toward leading edge, main shaft transverse horizontal is arranged vertical with the root end plate of wing body and tip end plate, and the right-hand member of main shaft is connected with tip end plate by bearing. Central gear is fixedly mounted on the right side of root end plate. The end portion that keeps left of main shaft is connected in the centre bore of central gear by bearing and central gear, and main shaft can flexible rotating in the centre bore of central gear. The left end of main shaft stretches out outside the left side of wing body and the root of wing body, and power inputs from the left end of main shaft. Each rotating vane includes arm axle, lobus sinister axle, nearly heart gear, arm axle sleeve pipe, telecentricity gear, leaf-teeth wheel, blade, lobus dexter axle and pivoted arm. Blade is Rectangular Rigid plate blade. Structural relation between each component of same rotating vane is: lobus dexter axle transverse horizontal is arranged, the left end of lobus dexter axle is connected in the right center position of blade by bearing and blade, lobus dexter axle and blade are in same plane, and the right-hand member of lobus dexter axle is vertical with one end of pivoted arm to be connected. The lobus sinister axle left end that be fixed on lobus sinister axle vertical with arm axle, lobus sinister axle is arranged with lobus dexter axle transverse horizontal coaxially. Lobus dexter axle, pivoted arm, lobus sinister axle and arm axle are in same plane. The right-hand member of lobus sinister axle is connected with leaf-teeth wheel by bearing, and leaf-teeth wheel can around lobus sinister axle flexible rotating. Leaf-teeth wheel is fixed on the center position on the left side of blade with blade. Lobus sinister axle and blade in the same plane in. Arm axle sleeve pipe is contained in around arm axle by bearing holder (housing, cover), arm axle can in arm axle sleeve pipe flexible rotating. Nearly heart gear and telecentricity gear are respectively fixedly connected with in the two ends of arm axle sleeve pipe. Telecentricity gear engages with leaf-teeth wheel, and the gear ratio that telecentricity gear is taken turns with leaf-teeth is 4: 1.The part of the close right-hand member of main shaft is vertical with the pivoted arm of all rotating vanes to be connected. All pivoted arms are all in same longitudinal vertical guide. The part of the close central gear of left section of main shaft is vertical with the arm axle of all rotating vanes to be connected. All arm axles are all in same longitudinal vertical guide. The nearly heart gear of all rotating vanes all engages with central gear, and the gear ratio of central gear and nearly heart gear is 1: 2. Central gear, nearly heart gear, telecentricity gear and leaf-teeth wheel all adopt bevel gear. When assembling rotating vane device, guarantee that the arm axle of its arbitrary rotating vane is in during vertical position directly over main shaft the blade of this rotating vane and this arm axle in same horizontal vertical guide, so, owing to central gear maintains static, and the gear ratio of central gear and leaf-teeth wheel is 2: 1, this rotating vane goes to arm axle and is in the blade of this rotating vane during vertical position immediately below main shaft and is in level.
A kind of operation principle with the half-rotating mechanism lift wing of this invention is: from the root of this lift wing toward tip, rotationally clockwise, the blade of rotating vane angle of attack when the lower section of main shaft moves ahead is less, and resistance is less for power drive rotating vane device; Blade above main shaft after row time the angle of attack be conducive to more greatly accelerating the air-flow of this lift wing upper surface. When this lift wing travels forward with the certain angle of attack within the scope of effective angle of attack, front incoming flow close to leading edge punish two plumes move, main air is the lower section air-flow of this lift wing, and this air-flow velocity is basically unchanged, suitable with front speed of incoming flow; Secondary air flow is the overhead stream of this lift wing, and this air-flow is flowing upward to acceleration flowing underneath backward under the agitating that rotating vane device is in rotating vane device near the turning of wing body edge. Equation of continuity and Bernoulli equation according to fluid are learnt, the top pressure of this lift wing is less than lower section pressure, thus producing bigger lift. The rotating vane device of this lift wing upper surface can make air accelerate and relatively be close to upper surface to flow to rear, not easily separates with the postmedian of wing body upper surface, can postpone the generation of tail.
This lift wing advantage compared with traditional wing is: maximum lift coefficient is big, and effective angle of attack scope is big, and critical stalling angle is big, and maximum lift-drag ratio is big, and efficiency is high.
Accompanying drawing explanation
Fig. 1 is a kind of schematic side view with the half-rotating mechanism lift wing of the present invention, and in figure, the rotating vane quantity of rotating vane device is four; Fig. 2 is the structural representation sketch of the rotating vane device being exaggerated of the lift wing of Fig. 1; Fig. 3 is the schematic rear view of engage with central gear the rotating vane being connected with main shaft being exaggerated, and in figure, arm axle is in the surface vertical position of main shaft.
In figure, 1-wing body, 11-leading edge, 12-trailing edge, 13-groove, 14-root end plate, 15-tip end plate; 2-rotating vane device, 21-main shaft, 22-central gear, 23-rotating vane, 231-arm axle, 232-lobus sinister axle, the nearly heart gear of 233-, 234-arm axle sleeve pipe, 235-telecentricity gear, 236-leaf-teeth are taken turns, 237-blade, 238-lobus dexter axle, 239-pivoted arm; 23a, 23b, 23c and 23d represent the rotating vane being in diverse location; The rotation direction of 3-rotating vane device 2.
Detailed description of the invention
In conjunction with accompanying drawing, 1 ~ 3 couple of present invention is illustrated: a kind of band half-rotating mechanism lift wing, including wing body 1 and rotating vane device 2. Wing body 1 upper surface has a cross section like fan-shaped groove 13, and the two ends of groove 13 and the root of wing body 1 and tip are provided with end plate, and rotating vane device 2 is arranged on groove 13 and is built between the root end plate 14 of wing body 1 and tip end plate 15.The latter half of rotating vane device 2 is substantially surrounded by groove 13, and the first half of rotating vane device 2 substantially exposes to above wing body 1. The aerofoil profile of wing body 1 adopts thick wing type. The leading edge 11 of wing body 1 is more perfectly round, and trailing edge 12 is more tapering. Wing body 1 upper surface is the curved surface raised up except groove 13, the curved surface that lower surface is substantially planar or recessed slightly up. The concrete structure of rotating vane device 2 is: rotating vane device 2 includes the rotating vane 23 that the different structure of the setting angle of main shaft 21, central gear 22 and be evenly distributed on around central gear 22 four only blade is identical. From the trailing edge 12 of wing body 1 toward leading edge 11, main shaft 21 transverse horizontal is arranged vertical with the root end plate 14 of wing body 1 and tip end plate 15, and the right-hand member of main shaft 21 is connected with tip end plate 15 by bearing. Central gear 22 is fixedly mounted on the right side of root end plate 14. The end portion that keeps left of main shaft 21 is connected in the centre bore of central gear 22 by bearing and central gear 22, and main shaft 21 can flexible rotating in the centre bore of central gear 22. The left end of main shaft 21 stretches out outside the left side of wing body 1 and the root of wing body 1, and power inputs from the left end of main shaft 21. Each rotating vane 23 includes arm axle 231, lobus sinister axle 232, nearly heart gear 233, arm axle sleeve pipe 234, telecentricity gear 235, leaf-teeth wheel 236, blade 237, lobus dexter axle 238 and pivoted arm 239. Blade 237 is Rectangular Rigid plate blade. Structural relation between each component of same rotating vane 23 is: lobus dexter axle 238 transverse horizontal is arranged, the left end of lobus dexter axle 238 is connected in the right center position of blade 237 by bearing and blade 237, lobus dexter axle 238 and blade 237 are in same plane, and the right-hand member of lobus dexter axle 238 is vertical with one end of pivoted arm 239 to be connected. Lobus sinister axle 232 left end that be fixed on lobus sinister axle 232 vertical with arm axle 231, lobus sinister axle 232 is arranged with lobus dexter axle 238 transverse horizontal coaxially. Lobus dexter axle 238, pivoted arm 239, lobus sinister axle 232 and arm axle 231 are in same plane. The right-hand member of lobus sinister axle 232 is taken turns 236 by bearing with leaf-teeth and is connected, and leaf-teeth wheel 236 can around lobus sinister axle 232 flexible rotating. Leaf-teeth wheel 236 and blade 237 are fixed on the center position on the left side of blade 237. Lobus sinister axle 232 and blade 237 in the same plane in. Arm axle sleeve pipe 234 is contained in around arm axle 231 by bearing holder (housing, cover), arm axle 231 can in arm axle sleeve pipe 234 flexible rotating. Nearly heart gear 233 and telecentricity gear 235 are respectively fixedly connected with in the two ends of arm axle sleeve pipe 234. Telecentricity gear 235 is taken turns 236 with leaf-teeth and is engaged, and the gear ratio that telecentricity gear 235 takes turns 236 with leaf-teeth is 4: 1. The part of the close right-hand member of main shaft 21 is vertical with the pivoted arm of all rotating vane 23a, 23b, 23c and 23d to be connected. All pivoted arms are all in same longitudinal vertical guide. The part of the close central gear 22 of left section of main shaft 21 is vertical with the arm axle of all rotating vane 23a, 23b, 23c and 23d to be connected. All arm axles are all in same longitudinal vertical guide. All rotating vane 23a, 23b, 23c and 23d nearly heart gear all engage with central gear 22, the gear ratio of central gear 22 and nearly heart gear 233 is 1: 2. Central gear 22, nearly heart gear 233, telecentricity gear 235 and leaf-teeth wheel 236 all adopt bevel gear. When assembling rotating vane device 2, guarantee that the arm axle 231 of its arbitrary rotating vane 23 is in the blade 237 of this rotating vane 23 during vertical position directly over main shaft 21 with this arm axle 231 in same horizontal vertical guide, so, owing to central gear 22 maintains static, and the gear ratio of central gear 22 and leaf-teeth wheel 236 is 2: 1, this rotating vane 23 goes to the blade 237 of this rotating vane 23 when arm axle 231 is in vertical position immediately below main shaft 21 and is in level.
This lift wing is so work: from the root of this lift wing toward tip, rotationally clockwise, the blade 237 of rotating vane 23 angle of attack when the lower section of main shaft 21 moves ahead is less, and resistance is less for power drive rotating vane device 2; Blade 237 above main shaft 21 after row time the angle of attack be conducive to more greatly accelerating the air-flow of this lift wing upper surface. When this lift wing travels forward with the certain angle of attack within the scope of effective angle of attack, front incoming flow close to leading edge 11 punish two plumes move, main air is the lower section air-flow of this lift wing, and this air-flow velocity is basically unchanged, suitable with front speed of incoming flow; Secondary air flow is the overhead stream of this lift wing, and this air-flow flows upward to acceleration flowing underneath backward under the agitating that rotating vane device 2 is in rotating vane device 2 in the turning near wing body 1 leading edge 11 place. Equation of continuity and Bernoulli equation according to fluid are learnt, the top pressure of this lift wing is less than lower section pressure, thus producing bigger lift. The rotating vane device 2 of this lift wing upper surface can make air accelerate and relatively be close to upper surface to flow to rear, not easily separates with the postmedian of wing body 1 upper surface, can postpone the generation of tail. This lift wing can produce bigger lift, is relatively applicable to low-speed operations device and uses.
Claims (4)
1. a band half-rotating mechanism lift wing, including wing body (1) and rotating vane device (2), it is characterized in that: wing body (1) upper surface has a cross section like fan-shaped groove (13), the two ends of groove (13) and the root of wing body (1) and tip are provided with end plate, and rotating vane device (2) is arranged on groove (13) and is built between the root end plate (14) of wing body (1) and tip end plate (15); The latter half of rotating vane device (2) is substantially surrounded by groove (13), and the first half of rotating vane device (2) substantially exposes to wing body (1) top; The aerofoil profile of wing body (1) adopts thick wing type; The leading edge (11) of wing body (1) is more perfectly round, and trailing edge (12) is more tapering; Wing body (1) upper surface is the curved surface raised up except groove (13), the curved surface that lower surface is substantially planar or recessed slightly up; Rotating vane device (2) includes main shaft (21), central gear (22) and is evenly distributed on the rotating vane (23) that the different structure of the setting angle of central gear (22) around three or four only blade is identical; From the trailing edge (12) of wing body (1) toward leading edge (11), main shaft (21) transverse horizontal is arranged vertical with the root end plate (14) of wing body (1) and tip end plate (15), and the right-hand member of main shaft (21) is connected with tip end plate (15) by bearing; Central gear (22) is fixedly mounted on root end plate (14) right side; The end portion that keeps left of main shaft (21) is connected in the centre bore of central gear (22) by bearing and central gear (22); The left end of main shaft (21) stretches out outside the left side of wing body (1) and the root of wing body (1); Each rotating vane (23) includes arm axle (231), lobus sinister axle (232), nearly heart gear (233), arm axle sleeve pipe (234), telecentricity gear (235), leaf-teeth wheel (236), blade (237), lobus dexter axle (238) and pivoted arm (239); Blade (237) is Rectangular Rigid plate blade; Lobus dexter axle (238) transverse horizontal is arranged, the left end of lobus dexter axle (238) is connected in the right center position of blade (237) by bearing and blade (237), lobus dexter axle (238) and blade (237) are in same plane, and the right-hand member of lobus dexter axle (238) is vertical with one end of pivoted arm (239) to be connected;Lobus sinister axle (232) left end that be fixed on lobus sinister axle (232) vertical with arm axle (231), lobus sinister axle (232) is arranged with lobus dexter axle (238) transverse horizontal coaxially; Lobus dexter axle (238), pivoted arm (239), lobus sinister axle (232) and arm axle (231) are in same plane; The right-hand member of lobus sinister axle (232) is taken turns (236) by bearing with leaf-teeth and is connected; Leaf-teeth wheel (236) and blade (237) are fixed on the center position on the left side of blade (237); Lobus sinister axle (232) and blade (237) in the same plane in; Arm axle sleeve pipe (234) is contained in arm axle (231) around by bearing holder (housing, cover); Nearly heart gear (233) and telecentricity gear (235) are respectively fixedly connected with in the two ends of arm axle sleeve pipe (234); Telecentricity gear (235) is taken turns (236) with leaf-teeth and is engaged; The part of the close right-hand member of main shaft (21) is vertical with the pivoted arm of all rotating vanes (23a, 23b, 23c and 23d) to be connected; All pivoted arms are all in same longitudinal vertical guide; The part of the close central gear (22) of left section of main shaft (21) is vertical with the arm axle of all rotating vanes (23a, 23b, 23c and 23d) to be connected; All arm axles are all in same longitudinal vertical guide; The nearly heart gear of all rotating vanes (23a, 23b, 23c and 23d) all engages with central gear (22); The gear ratio that central gear (22) takes turns (236) with leaf-teeth is 2: 1; The arm axle (231) of rotating vane (23) is in during vertical position directly over main shaft (21) blade (237) of this rotating vane (23) and this arm axle (231) in same horizontal vertical guide.
2. a kind of band half-rotating mechanism lift wing according to claim 1, it is characterised in that: the gear ratio that telecentricity gear (235) takes turns (236) with leaf-teeth is 4: 1; The gear ratio of central gear (22) and nearly heart gear (233) is 1: 2.
3. a kind of band half-rotating mechanism lift wing according to claim 1 and 2, it is characterised in that: central gear (22), nearly heart gear (233), telecentricity gear (235) and leaf-teeth wheel (236) all adopt bevel gear.
4. a kind of band half-rotating mechanism lift wing according to claim 1, it is characterised in that: from the root of this lift wing toward tip, the rotation direction of rotating vane device (2) is clockwise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410769726.1A CN104443356B (en) | 2014-12-15 | 2014-12-15 | A kind of band half-rotating mechanism lift wing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410769726.1A CN104443356B (en) | 2014-12-15 | 2014-12-15 | A kind of band half-rotating mechanism lift wing |
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| Publication Number | Publication Date |
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| CN104443356A CN104443356A (en) | 2015-03-25 |
| CN104443356B true CN104443356B (en) | 2016-06-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104773293B (en) * | 2015-05-08 | 2016-08-31 | 佛山市神风航空科技有限公司 | A kind of band wind ball drives the rotor lift device of wind wheel |
| CN107826245B (en) * | 2017-11-21 | 2023-12-05 | 南京航空航天大学 | Cross-flow fan blade device |
| CN107972864A (en) * | 2017-12-06 | 2018-05-01 | 佛山市神风航空科技有限公司 | A kind of lift unit |
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| KR100988237B1 (en) * | 2008-11-06 | 2010-10-18 | 표수호 | Rotating blade having structure for increasing fluid velocity |
| US8282036B2 (en) * | 2009-12-15 | 2012-10-09 | Funck Stephen H | Multi wing aircraft |
| NL2004555C2 (en) * | 2010-04-15 | 2011-10-18 | Green X B V | Wing for generating lift from an incident flow. |
| CN203441675U (en) * | 2013-04-09 | 2014-02-19 | 赵东平 | Blade of novel horizontal-axis wind turbine |
| CN204297061U (en) * | 2014-12-15 | 2015-04-29 | 佛山市神风航空科技有限公司 | A kind of band half-rotating mechanism lift wing |
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Effective date of registration: 20191226 Address after: 300000 No. 357, free trade road, Airport Economic Zone, Dongli District, Tianjin Patentee after: TIANJIN JINHANG INSTITUTE OF COMPUTING TECHNOLOGY Address before: Foshan City, Guangdong province 528500 city streets Gaoming District No. 78 Jiangwan Road, room 402 Fu Wan Patentee before: Shenfeng science and technology of aviation Co., Ltd of Foshan City |