CN209776592U - Variable lift-drag ratio fixed wind wing - Google Patents
Variable lift-drag ratio fixed wind wing Download PDFInfo
- Publication number
- CN209776592U CN209776592U CN201920686154.9U CN201920686154U CN209776592U CN 209776592 U CN209776592 U CN 209776592U CN 201920686154 U CN201920686154 U CN 201920686154U CN 209776592 U CN209776592 U CN 209776592U
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- Prior art keywords
- flap
- rocking arm
- wing
- piece
- main wing
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- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/82—Elements for improving aerodynamics
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- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
The utility model discloses a variable lift-drag ratio fixed wind wing, including main wing piece, the cell type end plate, first wing flap and second wing flap, main wing piece fixed connection is between two cell type end plates, first wing flap and second wing flap set up respectively in main wing piece's top position and its inside pivot of wearing to be equipped with of its length direction of extending, first wing flap and second wing flap both ends are rotated with two cell type end plates respectively through the pivot and are connected, be provided with a coordinated control device in main wing piece's inside, coordinated control device includes a lead screw through steering engine control, a slide with lead screw threaded connection, spout piece and guide holder, still be provided with first connecting rod, the second connecting rod, first rocking arm and second rocking arm, the utility model discloses can solve the problem that the resistance is big when the straight line is accelerated of high lift-drag ratio fin, it has better auto-lock nature simultaneously.
Description
Technical Field
The utility model relates to an equation motorcycle race technical field, concretely relates to fixed wing of variable lift-drag ratio.
Background
As the domestic college student formula race starts late, most of the fleets adopt fixed type empennages, and the race has strict limitation on the power of an engine, the racing car is difficult to express large power; and the whole race has more curves, the speed of the racing car is not very high, and the aerodynamic suite often cannot exert the performance under the ideal state. Therefore, in order to obtain better performance in a curve and obtain higher air pressure, the fixed tail wing of the prior formula car usually adopts a larger inclination angle, but the side effect is large resistance when the linear track is accelerated, and the fuel economy is also extremely unfavorable.
In recent years, the inclination angle variable tail controlled by a hydraulic cylinder appears in the formula competition of college students abroad, and the hydraulic cylinder type variable tail is also used by individual motorcades at home, but the manufacturing cost is high and the weight is larger, so that the variable tail is obviously different from the lightweight competition concept; in addition, the variable tail wing with the six-connecting-rod structure has the advantages of simple structure and light weight, but the tail wing is not easy to fix the position, can cause the swinging and the corner deviation of the wing pieces in the running process of the racing car, and has poor self-locking performance.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the defects of the prior art, the variable lift-drag ratio fixed wing is provided, the problem that the resistance of a tail wing with the high lift-drag ratio is large when the tail wing is accelerated linearly can be solved, and meanwhile, the variable lift-drag ratio fixed wing has good self-locking performance.
(II) technical scheme
The utility model discloses a following technical scheme realizes: the utility model provides a variable lift-drag ratio fixed wind wing, which comprises a main wing panel, two groove-shaped end plates, a first wing flap and a second wing flap, wherein the groove-shaped end plates are arranged in bilateral symmetry, the main wing panel is fixedly connected between the two groove-shaped end plates, the first wing flap and the second wing flap are respectively arranged at the upper positions of the main wing panel, a rotating shaft is arranged in the first wing flap and the second wing flap along the length direction of the first wing flap, the two ends of the first wing flap and the second wing flap are respectively and rotationally connected with the two groove-shaped end plates through the rotating shaft, a linkage control device is arranged in the main wing panel, the linkage control device comprises a lead screw controlled by a steering engine, a slide seat in threaded connection with the lead screw, a slide groove block and a guide seat, a first connecting rod, a second connecting rod, a first rocker arm and a second rocker arm are also arranged on the slide seat, the tail end of the first connecting rod is hinged, the first rocker arm is fixedly connected with the first flap, the second rocker arm is fixedly connected with the second flap, and two ends of the second connecting rod are respectively connected with the first rocker arm and the second rocker arm in a rotating mode.
Furthermore, a shutter is arranged at the upper part of the groove-shaped end plate.
Furthermore, the lower part of the groove-shaped end plate is provided with a vertical groove hole.
Furthermore, main wing piece, cell type end plate, first flap and second flap all adopt carbon fiber evacuation technology processing preparation and fill the foam in it, the inside coordinated control device position that holds of main wing piece is hollowed out and is handled.
(III) advantageous effects
Compared with the prior art, the utility model, following beneficial effect has:
The utility model provides a variable lift-drag ratio decides wind wing, two wing flaps and cell type end plate swing joint, main wing piece and cell type end plate fixed connection to realized big negative lift and little air resistance, through the inclination of adjustment fin, compromise the demand of bend and straightway, made the cycle racing can steadily and turn fast at the bend, obtain better acceleration and extremely fast performance at the straightway.
The device simple structure, the steering wheel is rotatory as power supply drive lead screw, because have in the slide with screw rod complex nut to constitute one set of screw drive, the slide can realize the back-and-forth movement along the spout piece, thereby the pulling two flaps are rotatory, but the reverse transmission of displacement can not be realized to artificial rotation flaps. Therefore, the wing pieces are well kept in a certain state, and even if the wing pieces are impacted by external force, the wing pieces cannot obviously rotate, so that the good self-locking performance of the device is ensured.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of a flap and flap end.
Fig. 3 is a partial schematic view of the control device.
1-main wing panel; 2-trough type end plates; 3-a first flap; 4-a second flap; 5-a rotating shaft; 6-a control device; 61-a screw rod; 62-a slide; 63-a chute block; 64-a first link; 65-a second link; 66-a first rocker arm; 67-a second rocker arm; 68-a guide seat; 21-a shutter; 22-vertical slotted hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 3, the variable lift-drag ratio fixed wind wing comprises a main wing piece 1, groove-shaped end plates 2, a first flap 3 and a second flap 4, wherein the groove-shaped end plates 2 are arranged in bilateral symmetry, the main wing piece 1 is fixedly connected between the two groove-shaped end plates 2, the first flap 3 and the second flap 4 are respectively arranged at the upper position of the main wing piece 1, a rotating shaft 5 penetrates through the first flap 3 and the second flap 4 along the length direction of the first flap, two ends of the first flap 3 and the second flap 4 are respectively connected with the two groove-shaped end plates 2 in a rotating manner through the rotating shaft 5, a linkage control device 6 is arranged inside the main wing piece 1, the linkage control device 6 comprises a screw rod 61 controlled by a steering engine, a sliding seat 62 in threaded connection with the screw rod 61, a sliding groove block 63 and a guide seat 68, and a first connecting rod 64, a second connecting rod 65, a first rocker 66 and a second rocker, the sliding base 62 is located in the sliding groove block 63, the end of the first connecting rod 64 is hinged on the sliding base 62, penetrates through the guide base 68 and is connected with the first rocker arm 66 in a rotating mode, the first rocker arm 66 is fixedly connected with the first flap 3, the second rocker arm 67 is fixedly connected with the second flap 4, and two ends of the second connecting rod 65 are respectively connected with the first rocker arm 66 and the second rocker arm 67 in a rotating mode.
Wherein, the upper part of the groove-shaped end plate 2 is provided with a shutter 21; the lower part of the groove-shaped end plate 2 is provided with a vertical groove hole 22; the main wing piece 1, the groove-shaped end plate 2, the first flap 3 and the second flap 4 are all manufactured by adopting a carbon fiber vacuumizing process and filled with foam, and the linkage control device 6 is accommodated in the main wing piece 1 for emptying.
The utility model provides a variable lift-drag ratio decides wind wing, wherein the specification of main wing piece 1 and flap piece is selected: comprehensively considering the resistance, the negative lift force and the processing difficulty, selecting an airfoil profile with the thickness-chord ratio of 10% and the relative camber of 4%; the first flap 3 is located at the rear upper part of the main wing panel 1 and has a certain overlap and gap, and the second flap 4 is located at the rear upper part of the first flap 3 and also has a certain overlap and gap.
During specific operation, the screw rod 61 is controlled to rotate through the steering engine, the screw rod 61 is in threaded connection with a nut arranged on the sliding seat 62, the sliding seat 62 can be dragged to slide along a sliding groove in the sliding groove block 63 when the screw rod 61 rotates, a through hole capable of accommodating the first connecting rod 64 to slide back and forth is formed in the middle of the guide seat 68, a linear bearing can be arranged in the guide hole of the guide seat 68 to ensure smooth sliding, the first flap 3 can be dragged to rotate around the rotating shaft 5 by linear motion of the first connecting rod 64, the first rocker 66 swings when the first flap 4 rotates, the second connecting rod 65 can be dragged to move back and forth when the first rocker 66 swings, the second flap 4 can rotate around the rotating shaft in the middle of the second flap 4, and the adjustment of the inclination angle states of the first flap 3 and the second flap 4 can.
when the empennage is in an initial state, namely when a driver presses a switch to start the device, the screw rod 61 is driven to rotate through the steering engine, the sliding seat 62 matched with the screw rod can slide forwards along the sliding groove block 63, so that the first connecting rod 64 is pulled, the first rocker arm 66 is pulled, the second rocker arm 67 is pulled, the screw rod and the sliding seat form a set of connecting rod mechanism to realize the upward rotation of the two flaps around the shaft, the steering engine stops after reaching a set rotating angle, the two flaps also rotate to a specified position at the moment, namely, the two flaps are in a small-inclination state, and are locked at the position, and the state is suitable for a linear track.
When the driver presses the switch again, the steering engine drives the screw rod 61 to rotate reversely, at this time, the sliding seat 62 slides backwards along the sliding groove block 63, so that the first connecting rod 64 is pushed to push the first rocker arm 66 again, the second rocker arm 67 is further pushed, the first rocker arm and the second rocker arm form a set of connecting rod mechanisms to realize the downward rotation of the two flaps around the shaft, and when the steering engine reaches a set rotation angle, the variable empennage returns to the original initial state, and the state is suitable for curves.
The angle of inclination of the main wing 1 is set to 0-5 degrees, the angle of inclination of the first flap 3 is set to 30-32 degrees, and the angle of inclination of the second flap 4 is set to 58-60 degrees, and this state is defined as a first state, which is set as an initial state, i.e., a down force state with a large angle of inclination, in consideration of high usage in this state; the angle of inclination of the first flap 3 is set to 0-2 degrees and the angle of inclination of the second flap 4 is set to 28-30 degrees, which is the second state, i.e. the low-angle and low-drag state.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (4)
1. A variable lift-drag ratio fixed wind wing is characterized in that: including main wing piece (1), cell type end plate (2), first flap (3) and second flap (4), cell type end plate (2) bilateral symmetry sets up, main wing piece (1) fixed connection is between two cell type end plates (2), first flap (3) and second flap (4) set up respectively in the top position of main wing piece (1) and its inside and wear to be equipped with a pivot (5) of extending its length direction, and first flap (3) and second flap (4) both ends are passed through pivot (5) and are connected with two cell type end plates (2) rotation respectively the inside of main wing piece (1) is provided with a coordinated control device (6), coordinated control device (6) include one through a lead screw (61) through control, a steering wheel (62) with lead screw (61) threaded connection, spout piece (63) and guide holder (68), still be provided with first connecting rod (64), Second connecting rod (65), first rocking arm (66) and second rocking arm (67), slide (62) are located sliding groove piece (63), first connecting rod (64) end articulates on slide (62) and it passes guide holder (68) and is rotated with first rocking arm (66) and be connected, first rocking arm (66) and first flap (3) fixed connection, second rocking arm (67) and second flap (4) fixed connection, second connecting rod (65) both ends respectively with first rocking arm (66) and second rocking arm (67), and second rocking arm (67) both ends are connected with first rocking arm (66) and first flap (66) and
the second rocker arm (67) is rotationally connected.
2. The variable lift-drag ratio fixed wing of claim 1, wherein: the upper part of the groove-shaped end plate (2) is provided with a shutter (21).
3. The variable lift-drag ratio fixed wing of claim 1, wherein: the lower part of the groove-shaped end plate (2) is provided with a vertical groove hole (22).
4. The variable lift-drag ratio fixed wing of claim 1, wherein: main wing piece (1), cell type end plate (2), first flap (3) and second flap (4) all adopt carbon fiber evacuation technology processing preparation and fill the foam in it, main wing piece (1) inside holds coordinated control device (6) position and undercuts the processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920686154.9U CN209776592U (en) | 2019-05-14 | 2019-05-14 | Variable lift-drag ratio fixed wind wing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920686154.9U CN209776592U (en) | 2019-05-14 | 2019-05-14 | Variable lift-drag ratio fixed wind wing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209776592U true CN209776592U (en) | 2019-12-13 |
Family
ID=68805255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920686154.9U Expired - Fee Related CN209776592U (en) | 2019-05-14 | 2019-05-14 | Variable lift-drag ratio fixed wind wing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209776592U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110990958A (en) * | 2019-12-31 | 2020-04-10 | 吉林大学 | Pneumatic suite device of formula car and efficient optimization design method thereof |
| CN113492930A (en) * | 2021-07-09 | 2021-10-12 | 华侨大学 | Tail wing structure for improving adaptability of FSAE racing car flow field |
| EP3960601A1 (en) * | 2020-08-31 | 2022-03-02 | Moving Terrain AG | Motorcycle with side wind stabilisation |
-
2019
- 2019-05-14 CN CN201920686154.9U patent/CN209776592U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110990958A (en) * | 2019-12-31 | 2020-04-10 | 吉林大学 | Pneumatic suite device of formula car and efficient optimization design method thereof |
| CN110990958B (en) * | 2019-12-31 | 2022-02-08 | 吉林大学 | Pneumatic suite device of formula car and efficient optimization design method thereof |
| EP3960601A1 (en) * | 2020-08-31 | 2022-03-02 | Moving Terrain AG | Motorcycle with side wind stabilisation |
| CN113492930A (en) * | 2021-07-09 | 2021-10-12 | 华侨大学 | Tail wing structure for improving adaptability of FSAE racing car flow field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191213 Termination date: 20200514 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |