CN210027909U - Flapping wing structure capable of switching flapping and gliding states - Google Patents
Flapping wing structure capable of switching flapping and gliding states Download PDFInfo
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- CN210027909U CN210027909U CN201920755722.6U CN201920755722U CN210027909U CN 210027909 U CN210027909 U CN 210027909U CN 201920755722 U CN201920755722 U CN 201920755722U CN 210027909 U CN210027909 U CN 210027909U
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Abstract
The utility model discloses a flapping wing structure capable of switching flapping and gliding states, which comprises a frame, a driving motor (1), a reduction gear set, a flapping rod set and a posture switching mechanism; the frame comprises three parallel separation frames which are respectively a triangular separation frame (2), a front separation frame (3) and a rear separation frame (4); the front partition frame (3) is connected with the rear partition frame (4) through pillars (5) arranged in parallel; the flapping rod group comprises a left wing flapping rod group and a right wing flapping rod group. The utility model discloses simple structure, through the conversion of gesture switching mechanism realization flapping to the gesture of gliding, the reliability is high, owing to the in-process control electric putter motion of pounding on the left wing and the right wing, it is slower to go up the in-process speed of pounding, the locating hole can be blocked smoothly to the bulb locating pin, realizes the switching of flight gesture, can not appear the problem in the unable entering locating hole of bulb locating pin.
Description
Technical Field
The utility model relates to an aircraft technical field, especially a flapping wing structure of changeable flapping and gliding state.
Background
The ornithopter is an important structure of a novel aircraft type which simulates the flight of birds and insects and is designed and manufactured based on the bionics principle. Compared with a fixed wing and a rotor wing, the flapping wing has the main characteristics that the functions of lifting, hovering and propelling are integrated into a flapping wing system, the long-distance flight can be carried out by using very small energy, and meanwhile, the flapping wing has stronger maneuverability.
When the flapping-wing aircraft needs to switch between gliding attitude and flapping attitude, the mechanism for driving the flapping-wing aircraft to flap needs to be controlled to stop running, so that the left wing and the right wing are kept still and are positioned on the same horizontal line.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide a changeable flapping and gliding state's flapping wing structure.
The purpose of the utility model is realized through the following technical scheme:
a flapping wing structure capable of switching flapping and gliding states comprises a rack, a driving motor, a reduction gear set, a flapping rod set and an attitude switching mechanism.
The frame comprises three parallel partition frames which are respectively a triangular partition frame, a front partition frame and a rear partition frame; the front partition frame and the rear partition frame are connected through pillars arranged in parallel.
The flapping rod group comprises a left wing flapping rod group and a right wing flapping rod group, the left wing flapping rod group and the right wing flapping rod group both comprise a front output rocker arm and a rear output rocker arm, a rocker arm shaft is further arranged between the front output rocker arm and the triangular partition frame, and the rocker arm shaft sequentially penetrates through the rear output rocker arm, the rear partition frame, the front output rocker arm and the triangular partition frame to realize the connection of the rack and the flapping rod group.
The output shaft of the driving motor is sleeved with a primary driving gear, and the driving motor is installed on the rear side wall of the front partition frame.
The speed reduction gear set comprises a primary driven gear, a secondary driving gear and a secondary driven gear, the secondary driven gear comprises a secondary driven left gear and a secondary driven right gear, the primary driving gear is meshed with the primary driven gear, the secondary driving gear is sleeved on a gear shaft of the primary driven gear, and the secondary driving gear is respectively meshed with the secondary driven left gear and the secondary driven right gear; and the driving motor finally drives the secondary driven left gear and the secondary driven right gear to synchronously and reversely move through the gear meshing transmission relationship.
Cranks are mounted on gear shafts of the secondary driven left gear and the secondary driven right gear, a rocker is arranged at the tail end of each crank, one end of each rocker is hinged to the corresponding crank, and the other end of each rocker is hinged to a front output rocker.
The posture switching mechanism comprises an electric push rod, a spring baffle and a ball head positioning pin, wherein the spring baffle is arranged on the rear side wall of the front partition frame, a through hole for a piston rod of the electric push rod to pass through is further formed in the spring baffle, the piston rod of the electric push rod sequentially passes through the spring baffle and the front partition frame, the ball head positioning pin is arranged at the tail end of the piston rod of the electric push rod, the spring is sleeved on the piston rod of the electric push rod, and the spring is located between the electric push rod and the spring baffle; an arc guide groove is further formed in the rear surface of the secondary driven gear, and a positioning hole is further formed in one end of the arc guide groove; the ball head positioning pin extends out under the action of the electric push rod, the spring is compressed, and the ball head positioning pin smoothly slides into the positioning hole through the arc guide groove, so that the locking of the secondary driven gear is realized, and the transition from the flapping posture to the gliding posture is realized.
The posture switching mechanism can be provided to either one of the secondary driven left gear or the secondary driven right gear.
The front partition frame is provided with a plurality of gear mounting holes, and the first-stage driven gear, the second-stage driving gear, the second-stage driven left gear and the second-stage driven right gear are all mounted in the gear mounting holes of the front partition frame through gear shafts.
The utility model has the advantages that:
the utility model discloses simple structure, through the conversion of gesture switching mechanism realization flapping to the gesture of gliding, the reliability is high, owing to the in-process control electric putter motion of pounding on the left wing and the right wing, it is slower to go up the in-process speed of pounding, the locating hole can be blocked smoothly to the bulb locating pin, realizes the switching of flight gesture, can not appear the problem in the unable entering locating hole of bulb locating pin.
Drawings
Fig. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
fig. 3 is a third schematic structural view of the present invention;
fig. 4 is a schematic structural view of the second stage driven gear of the present invention;
in the figure, 1-driving motor, 2-triangular frame, 3-front frame, 4-rear frame, 5-pillar, 6-front output rocker arm, 7-rear output rocker arm, 8-rocker arm shaft, 9-primary driving gear, 10-primary driven gear, 11-secondary driving gear, 12-secondary driven left gear, 13-secondary driven right gear, 14-crank, 15-rocker arm, 16-electric push rod, 17-spring, 18-spring baffle, 19-ball positioning pin, 20-arc guide groove and 21-positioning hole.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
As shown in fig. 1 to 4, a flapping wing structure capable of switching flapping and gliding states comprises a driving motor 1, a triangular partition frame 2, a front partition frame 3, a rear partition frame 4, a support column 5, a front output rocker arm 6, a rear output rocker arm 7, a rocker arm shaft 8, a first-stage driving gear 9, a first-stage driven gear 10, a second-stage driving gear 11, a second-stage driven left gear 12, a second-stage driven right gear 13, a crank 14, a rocker arm 15, an electric push rod 16, a spring 17, a spring baffle 18, a ball head positioning pin 19, an arc guide groove 20 and a positioning hole 21.
A connection mode of a flapping wing structure capable of switching flapping and gliding states is as follows:
a flapping wing structure capable of switching flapping and gliding states comprises a rack, a driving motor 1, a reduction gear set, a flapping rod set and an attitude switching mechanism.
The frame comprises three parallel partition frames, namely a triangular partition frame 2, a front partition frame 3 and a rear partition frame 4; the front partition frame 3 and the rear partition frame 4 are connected through pillars 5 which are arranged in parallel.
The flapping rod group comprises a left wing flapping rod group and a right wing flapping rod group, the left wing flapping rod group and the right wing flapping rod group both comprise a front output rocker arm 6 and a rear output rocker arm 7, a rocker arm shaft 8 is further arranged between the front output rocker arm 6 and the triangular partition frame 2, and the rocker arm shaft 8 sequentially penetrates through the rear output rocker arm 7, the rear partition frame 4, the front partition frame 3, the front output rocker arm 6 and the triangular partition frame 2, so that the connection of the rack and the flapping rod group is realized.
The output shaft of the driving motor 1 is sleeved with a first-level driving gear 9, and the driving motor 1 is installed on the rear side wall of the front partition frame 3.
The speed reduction gear set comprises a primary driven gear 10, a secondary driving gear 11 and a secondary driven gear, the secondary driven gear comprises a secondary driven left gear 12 and a secondary driven right gear 13, the primary driving gear 9 is meshed with the primary driven gear 10, the secondary driving gear 11 is sleeved on a gear shaft of the primary driven gear 10, and the secondary driving gear 11 is respectively meshed with the secondary driven left gear 12 and the secondary driven right gear 13; the driving motor 1 finally drives the secondary driven left gear 12 and the secondary driven right gear 13 to synchronously and reversely move through a gear meshing transmission relationship.
The gear shafts of the secondary driven left gear 12 and the secondary driven right gear 13 are both provided with a crank 14, the tail end of the crank 14 is provided with a rocker 15, one end of the rocker 15 is hinged with the crank 14, and the other end of the rocker 15 is hinged with the front output rocker arm 6.
The posture switching mechanism comprises an electric push rod 16, a spring 17, a spring baffle 18 and a ball head positioning pin 19, wherein the spring baffle 18 is arranged on the rear side wall of the front bulkhead 3, a through hole for a piston rod of the electric push rod 16 to pass through is also formed in the spring baffle 18, the piston rod of the electric push rod 16 sequentially passes through the spring baffle 18 and the front bulkhead 3, the ball head positioning pin 19 is arranged at the tail end of the piston rod of the electric push rod 16, the spring 17 is sleeved on the piston rod of the electric push rod 16, and the spring 17 is positioned between the electric push rod 16 and the spring baffle 18; an arc guide groove 20 is further formed in the rear surface of the secondary driven gear, and a positioning hole 21 is further formed in one end of the arc guide groove 20; the ball head positioning pin 19 extends under the action of the electric push rod 16, the spring 17 is compressed, the ball head positioning pin 19 smoothly slides into the positioning hole 21 through the arc guide groove 20, and the locking of the secondary driven gear is realized, so that the transition from the flapping posture to the gliding posture is realized.
The posture switching mechanism can be provided to either one of the secondary driven left gear 12 or the secondary driven right gear 13.
A plurality of gear mounting holes are formed in the front partition frame 3, and the first-stage driven gear 10, the second-stage driving gear 11, the second-stage driven left gear 12 and the second-stage driven right gear 13 are mounted in the gear mounting holes of the front partition frame 3 through gear shafts.
The method for switching the flapping posture to the gliding posture and the method for switching the gliding posture to the flapping posture are as follows:
the method for switching the flapping posture to the gliding posture comprises the following steps:
under the drive of the driving motor 1, the secondary driven left gear 12 and the secondary driven right gear 13 are driven to synchronously and reversely move through the gear meshing transmission relationship, so that the front output rocker arm 6 and the rear output rocker arm 7 in the left wing flapping rod set and the right wing flapping rod set are driven to flap up and down through the crank 14 and the rocker 15. At this moment, the electric push rod 16 is started, the spring 17 is compressed, the ball head positioning pin 19 moves along the gear ring of the secondary driven gear, due to the elasticity of the spring 17, the ball head positioning pin 19 always receives 17 acting forces of the spring, when the left wing flapping rod group and the right wing flapping rod group complete a period of up-down flapping, the secondary driven gear just rotates for one circle, the up-flapping and the down-flapping respectively correspond to the secondary driven gear for half-circle rotation, the starting time of the electric push rod 16 is in the process of the up-flapping of the left wing flapping rod group and the right wing flapping rod group, because the whole reduction gear group has certain quick-return characteristic, namely the down-flapping speed is high, the up-flapping speed is relatively slow, the process of up-flapping is selected when the flapping posture is switched to the gliding posture, and the gear rotating speed is prevented from being too high to a certain degree, and the piston rod cannot be inserted. The ball head positioning pin 19 is clamped into the positioning hole 21 along the arc guide groove 20 under the action of the spring 17, and the flapping posture is switched to the gliding posture.
The method for switching the gliding posture to the flapping posture comprises the following steps:
the electric push rod 16 is started to control the piston rod of the electric push rod 16 to retract, the ball head positioning pin 19 is separated from the positioning hole 21, the spring 17 is restored to the initial state, the driving motor 1 drives the reduction gear set to start working, and the process of switching the gliding posture to the flapping posture is completed.
The utility model discloses simple structure, through the conversion of gesture switching mechanism realization flapping to the gesture of gliding, the reliability is high, owing to the in-process control electric putter motion of pounding on the left wing and the right wing, it is slower to go up the in-process speed of pounding, the locating hole can be blocked smoothly to the bulb locating pin, realizes the switching of flight gesture, can not appear the problem in the unable entering locating hole of bulb locating pin.
Indeed, various other embodiments of the invention may be devised without departing from the spirit and scope thereof, and it is intended that all such modifications and variations as would be within the spirit and scope of the present invention be determined by the claims appended hereto.
Claims (3)
1. The utility model provides a flapping wing structure of changeable flapping and gliding state which characterized in that: comprises a frame, a driving motor (1), a reduction gear set, a flapping rod set and an attitude switching mechanism;
the frame comprises three parallel separation frames which are respectively a triangular separation frame (2), a front separation frame (3) and a rear separation frame (4); the front partition frame (3) is connected with the rear partition frame (4) through pillars (5) arranged in parallel;
the flapping rod group comprises a left wing flapping rod group and a right wing flapping rod group, the left wing flapping rod group and the right wing flapping rod group both comprise a front output rocker arm (6) and a rear output rocker arm (7), a rocker arm shaft (8) is further arranged between the front output rocker arm (6) and the triangular partition frame (2), and the rocker arm shaft (8) sequentially penetrates through the rear output rocker arm (7), the rear partition frame (4), the front partition frame (3), the front output rocker arm (6) and the triangular partition frame (2), so that the connection of the rack and the flapping rod group is realized;
a primary driving gear (9) is sleeved on an output shaft of the driving motor (1), and the driving motor (1) is installed on the rear side wall of the front partition frame (3);
the speed reduction gear set comprises a first-stage driven gear (10), a second-stage driving gear (11) and a second-stage driven gear, the second-stage driven gear comprises a second-stage driven left gear (12) and a second-stage driven right gear (13), the first-stage driving gear (9) is meshed with the first-stage driven gear (10), the second-stage driving gear (11) is sleeved on a gear shaft of the first-stage driven gear (10), and the second-stage driving gear (11) is meshed with the second-stage driven left gear (12) and the second-stage driven right gear (13) respectively; the driving motor (1) finally drives the secondary driven left gear (12) and the secondary driven right gear (13) to synchronously and reversely move through a gear meshing transmission relation;
the gear shafts of the secondary driven left gear (12) and the secondary driven right gear (13) are respectively provided with a crank (14), the tail end of each crank (14) is provided with a rocker (15), one end of each rocker (15) is hinged with the corresponding crank (14), and the other end of each rocker (15) is hinged with the corresponding front output rocker (6);
the posture switching mechanism comprises an electric push rod (16), a spring (17), a spring baffle (18) and a ball positioning pin (19), the spring baffle (18) is arranged on the rear side wall of the front partition frame (3), a through hole for a piston rod of the electric push rod (16) to pass through is further formed in the spring baffle (18), the piston rod of the electric push rod (16) sequentially passes through the spring baffle (18) and the front partition frame (3), the ball positioning pin (19) is arranged at the tail end of the piston rod of the electric push rod (16), the spring (17) is sleeved on the piston rod of the electric push rod (16), and the spring (17) is located between the electric push rod (16) and the spring baffle (18); an arc guide groove (20) is further formed in the rear surface of the secondary driven gear, and a positioning hole (21) is further formed in one end of the arc guide groove (20); the ball head positioning pin (19) extends out under the action of the electric push rod (16), the spring (17) is compressed, and the ball head positioning pin (19) smoothly slides into the positioning hole (21) through the arc guide groove (20) to realize locking of the secondary driven gear, so that the transition from the flapping posture to the gliding posture is realized.
2. The flapping wing structure of claim 1, wherein: the posture switching mechanism can be provided to either one of the secondary driven left gear (12) or the secondary driven right gear (13).
3. The flapping wing structure of claim 1, wherein: a plurality of gear mounting holes are formed in the front partition frame (3), and the first-stage driven gear (10), the second-stage driving gear (11), the second-stage driven left gear (12) and the second-stage driven right gear (13) are mounted in the gear mounting holes of the front partition frame (3) through gear shafts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920755722.6U CN210027909U (en) | 2019-05-24 | 2019-05-24 | Flapping wing structure capable of switching flapping and gliding states |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920755722.6U CN210027909U (en) | 2019-05-24 | 2019-05-24 | Flapping wing structure capable of switching flapping and gliding states |
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| Publication Number | Publication Date |
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| CN210027909U true CN210027909U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920755722.6U Active CN210027909U (en) | 2019-05-24 | 2019-05-24 | Flapping wing structure capable of switching flapping and gliding states |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109969394A (en) * | 2019-05-24 | 2019-07-05 | 绵阳空天科技有限公司 | A method of the flapping wing structure and its flapping mode switching of changeable state of fluttering and glide |
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2019
- 2019-05-24 CN CN201920755722.6U patent/CN210027909U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109969394A (en) * | 2019-05-24 | 2019-07-05 | 绵阳空天科技有限公司 | A method of the flapping wing structure and its flapping mode switching of changeable state of fluttering and glide |
| CN109969394B (en) * | 2019-05-24 | 2024-01-26 | 绵阳空天科技有限公司 | Flapping wing structure capable of switching flapping state and gliding state and flapping wing mode switching method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240415 Address after: 621052 No.6, south section of the Second Ring Road, Mianyang City, Sichuan Province Patentee after: Institute of aerospace technology, China Aerodynamics Research and Development Center Country or region after: China Address before: 621000 room 324, Zone D, incubator of entrepreneurship service center, science and innovation District, Mianyang City, Sichuan Province Patentee before: MIANYANG KONGTIAN TECHNOLOGY Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |