CN205113712U - Two degree of freedom flapping wing aircraft - Google Patents
Two degree of freedom flapping wing aircraft Download PDFInfo
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- CN205113712U CN205113712U CN201520929295.0U CN201520929295U CN205113712U CN 205113712 U CN205113712 U CN 205113712U CN 201520929295 U CN201520929295 U CN 201520929295U CN 205113712 U CN205113712 U CN 205113712U
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Abstract
The utility model relates to a two degree of freedom flapping wing aircraft. Its technical scheme is: the aircraft comprises fuselage (1), actuating mechanism (3), two wing (4), fin mechanism (5) and control system. Motor (22) will move the transmission through the gear and give first pivot (25), install the motion of fluttering that drives two wing (4) realization wings in crank (26) at first pivot (25) both ends through two connecting rod (27). Belt lace wheel (28) of installing in the middle part of first pivot (25) are connected through belt and big belt pulley (31), and the twist motion of second connecting rod (17), rocker (18) and two wing (4) realization wing is passed through in the rotation of big belt pulley (31). Transmitter (41) transmit remote control signal for receiver (6), and control motor (22) are in order to realize fluttering and reversing of wing, and turning to of aircraft is realized to control fin steering wheel (38). The utility model has the characteristics of simple structure, drive driving link flapping wing few, that can realize two degrees of freedom move, flight is nimble and useful lift that produce is big.
Description
Technical field
The utility model belongs to flapping wing aircraft technical field.Particularly relate to a kind of flapping wing aircraft of two-freedom.
Background technology
Flapping flight has good manoevreability and alerting ability.Compared to fixed-wing flight, under low reynolds number, unsteady aerodynamic characteristic can be made full use of and obtain high lift, there is very high flight stability.Multiple degree of freedom flapping motion compares the attitude that single degree of freedom flapping motion can realize flying creature better, and flight flexibly, and can control flying method better in the process of motion.
At present, the flapping wing aircraft of research is mostly mechanism with single degree of freedom, and the operation form of realization is simple, flight alerting ability and stability cannot compared with flying creature, and existing multiple degree of freedom flapping wing aircraft complex structure, drive driving link many, control system is complicated, is difficult to micro-miniaturisation.
The two flapping wing aircraft (CN102211665A) of a kind of miniature imitative dragonfly adopts single degree of freedom flapping motion, although have two pairs, front and back flapping wing due to fluttering up and down be symmetrical, and the counteracting equal with resistance of the lift of generation, can not produce actv. lift.
Summary of the invention
The utility model is intended to overcome the deficiencies in the prior art, object be to provide a kind of structure simple, can realize fluttering and reverse two degree of freedom motions, flight flexibly and the large two-freedom flapping wing aircraft of effective lift.
For achieving the above object, the technical solution adopted in the utility model is: described two-freedom flapping wing aircraft is made up of fuselage, driver train, two wings, empennage mechanism and control system.If fuselage head is front, in the face of the left side of fuselage head is left, fore-and-aft direction is longitudinally, and left and right directions is laterally.
Fuselage is connected in sequence by fuselage head, waist and afterbody.
The structure of waist is: it is a box frame that the vertical framework in left side is connected by four transverse horizontal rod members with the vertical framework on right side, and the vertical framework of both sides is symmetrical arranged.The close bottom place of vertical framework is provided with vertical equity beam symmetrically, and the middle part of two vertical equity beams is provided with clutch shaft bearing seat symmetrically.The close front end place of the upper horizontal bars lower plane of the vertical framework of both sides is provided with the 3rd bearing seat (8) symmetrically, and the close rear end of the upper horizontal bars lower plane of right vertical framework is provided with the second bearing seat; The vertical base of frame of both sides is transversely provided with motor fixing frame near front end place, and on the front portion of the vertical framework of both sides, angle place is provided with battery mounting symmetrically.
Fuselage head is made up of two identical arc components, and arc component is fixed on the both sides, front end of waist symmetrically.
Afterbody is made up of vertical equity bar and longitudinal fixed link.The front end of vertical equity bar is fixed on the middle position of the transversely horizon bar of waist rear end, the front end of longitudinal fixed link is fixed on the middle position of the flat bar of side launching of waist rear end, the rear end of longitudinal fixed link is fixedly connected with the middle part of vertical equity bar, and vertical equity bar is mutually vertical with the flat bar of side launching with corresponding transversely horizon bar with longitudinal fixed link; Vertical equity rod member is provided with pin-and-hole and tapped bore successively before backward.
Driver train comprises electrical motor, miniature gears, big gear wheel, small belt pulley, the first rotating shaft, two cranks, two connecting rods, the second rotating shaft, big belt pulley, second connecting rod, rocking bar, the 3rd rotating shaft and two wing mount brackets.
Electrical motor is arranged on the motor fixing frame of waist, and miniature gears is arranged on the output shaft of electrical motor, and miniature gears engages with big gear wheel.
First rotating shaft is arranged on the clutch shaft bearing seat of waist, symmetrically crank is housed at the two ends of the first rotating shaft, from left to right big gear wheel and small belt pulley is housed successively between two cranks.Two crank ends are connected by spherical pair with one end of each self-corresponding connecting rod, and the other end of two connecting rods is provided with spherical pair, and the outer ring of spherical pair is fixed with the bearing pin connecting wing.
Second rotating shaft is arranged on the second bearing seat of waist, and the second rotating shaft is equipped with big belt pulley near left end place, and big belt pulley is connected with small belt pulley by belt, and the bearing pin connecting connecting rod is equipped with at the side place of keeping to the side of big belt pulley.
3rd bearing seat is equipped with the 3rd rotating shaft, the two ends of the 3rd rotating shaft are fixed with wing mount brackets, and wing mount brackets is positioned at the outside of the 3rd bearing seat, and wing mount brackets is cuboid, and wing mount brackets has the through hole connecting wing along long direction.The middle part of the 3rd rotating shaft is fixed with rocking bar near left end place, the other end of rocking bar and one end of second connecting rod hinged, the hinge of the connection connecting rod on the other end of second connecting rod and big belt pulley.
Two wing shapes are identical, and the bearing pin by aerofoil, female member and connection wing mount brackets is formed; The root of aerofoil is fixedly connected with the closed end of female member, and the open end of female member is equipped with the bearing pin connecting wing mount brackets, and the bearing pin connecting wing mount brackets is flexibly connected with the through hole being connected wing; The plane of female member closed end has bearing pin through hole, and the bearing pin of the connection wing that bearing pin through hole and the outer ring of connecting rod spherical pair are fixed is fixedly connected with.
Empennage mechanism is made up of the bearing pin of empennage steering wheel, rudder arm, third connecting rod, empennage and connection afterbody.
Empennage is made up of vertical fin and horizontal tail; The aspect of vertical fin is trapezoidal, and horizontal tail is the entirety be made up of the equicrural triangle of front portion and the rectangle at rear portion, and vertical fin is vertically fixed on the middle position of horizontal tail.
Empennage steering wheel is fixedly connected with afterbody with the tapped bore of afterbody by bolt, and the output shaft of empennage steering wheel is equipped with rudder arm, and one end of rudder arm and third connecting rod is hinged, and the other end and the empennage of third connecting rod are hinged; Empennage is flexibly connected with afterbody by the connection bearing pin of afterbody and the pin-and-hole of afterbody.
The structure of control system is: emitter and receiver wireless connections, and lithium cell is connected with the input port of receiver; The output port 1 of receiver is connected with electrical motor, and the output port 2 of receiver is connected with empennage steering wheel; Lithium cell is arranged on battery mounting, and receiver is fixed on the close front end place of the vertical equity rod member of afterbody.
The structure of the vertical framework of described both sides is identical, be by horizontal bars, front vertical rod member in rear vertical rod member, longitudinal direction, the flat rod member of end launching is connected successively with arc-shaped rod is closed framework.Wherein: the upper end of front vertical rod member and rear vertical rod member is fixed with longitudinally upper horizontal bars, and the lower end of front vertical rod member is fixed with the flat rod member of end launching, and rear vertical rod member lower end is connected by arc-shaped rod with the rear end of the flat rod member of end launching.The length of the flat rod member of end launching is 0.4 ~ 0.6 times of longitudinally upper horizontal bars, and the length of rear vertical rod member is 0.2 ~ 0.4 times of front vertically rod member.
The rear end of described longitudinal fixed link is fixedly connected with the middle part of vertical equity bar and refers to that longitudinal fixed link and the angle of vertical equity bar in junction are 25 ~ 30 °.
The closed end width of described female member is 0.6 ~ 0.8 times of aerofoil root width.
Owing to adopting technique scheme, the utility model compared with prior art has following good effect:
The utility model is made up of fuselage, driver train, two wings, empennage mechanism and control system, and structure is simple; Realized the flapping motion of two degree of freedom by an electrical motor, drive driving link few.The utility model flutters owing to having and reverses the motion of two degree of freedom, can be changed the angle of attack of wing when flying by twisting motion, and relative to single degree of freedom flapping wing aircraft, flexibly, the effective lift of generation is larger in flight.
During motor start-up in the utility model, the pinion rotation on motor output shaft, miniature gears engages with big gear wheel, small belt pulley moment of torsion being passed to the first rotating shaft and be arranged in the first rotating shaft; The rotation of the first rotating shaft drives two crank being arranged on the first rotating shaft two ends, two crank handle turns connecting rod separately, and two connecting rods are connected with each self-corresponding wing by the bearing pin of spherical pair outer ring; Two cranks, two connecting rods, two wings, fuselage composition spatial linkages, two connecting rods that rotate through of two cranks make two wings spatially flutter down, realize the motion of fluttering of wing.
Small belt pulley in the utility model is along with the first axis of rotation, small belt pulley passes through belt, moment of torsion is passed to big belt pulley, the second connecting rod of big belt pulley drive installation on big belt pulley rotates, second connecting rod drives rocking bar reciprocally swinging, and rocking bar and the 3rd rotating shaft are fixed together, the 3rd rotating shaft two ends fixed wing erecting frame, two wings are arranged on wing mount brackets, and the reciprocally swinging of rocking bar makes two wings rotate around wing center line; Big belt pulley, second connecting rod, rocking bar and wing form quadric linkage, realize the twisting motion of wing.
Realized the motion of fluttering of wing by above-mentioned spatial linkage, quadric linkage realizes the twisting motion of wing, two motion synthesis, achieves-twisted coupling the motion of fluttering of wing.
When empennage steering wheel in the utility model rotates counterclockwise, the rudder arm on empennage steering wheel output shaft is driven to rotate counterclockwise, one end of rudder arm and third connecting rod is hinged, the other end and the empennage of third connecting rod are hinged, and empennage (36) is flexibly connected with afterbody (14) by the connection bearing pin (37) of afterbody and the pin-and-hole (15) of afterbody (14); The rotating counterclockwise of rudder arm hauls empennage by third connecting rod and turns left, flapping wing aircraft left-handed turning to.Otherwise, in like manner.
The utility model is a kind of can fluttering and the flapping wing aircraft with two degree of freedom that can reverse; Be applicable to that biochemical detection is searched and rescued with environmental monitoring, disaster, low-altitude reconnaissance, the civilian and national defence such as communication repeating and signal disturbing.
Therefore, the utility model has the flapping motion that structure is simple, driving driving link is few, can realize two-freedom, the feature that flight effective lift that is flexible and that produce is large.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is the structural representation of fuselage 1 in Fig. 1;
Fig. 3 is the amplification schematic views of in Fig. 2 I;
Fig. 4 is the amplification view of in Fig. 2 II;
Fig. 5 is a kind of structural representation of driver train 3 in Fig. 1;
Fig. 6 is a kind of structure enlarged diagram of wing 4 in Fig. 1;
Fig. 7 is that the A-A of Fig. 6 is to generalized section;
Fig. 8 is the enlarged diagram of empennage mechanism 5 in Fig. 1;
Fig. 9 is a kind of control system figure of the present utility model.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is further described, the restriction not to its protection domain.
Embodiment 1
A kind of two-freedom flapping wing aircraft.As shown in Figure 1, described two-freedom flapping wing aircraft is made up of fuselage 1, driver train 3, two wings 4, empennage mechanism 5 and control system.If fuselage head is front, in the face of the left side of fuselage head is left, fore-and-aft direction is longitudinally, and left and right directions is laterally.
Fuselage 1 is connected in sequence by fuselage head 11, waist 10 and afterbody 14.
The structure of waist 10 is: it is a box frame that the vertical framework in left side is connected by four transverse horizontal rod members with the vertical framework on right side, and the vertical framework of both sides is symmetrical arranged.The close bottom place of vertical framework is provided with vertical equity beam symmetrically, and the middle part of two vertical equity beams is provided with clutch shaft bearing seat 13 symmetrically.The close front end place of the upper horizontal bars lower plane of the vertical framework of both sides is provided with the 3rd bearing seat 8 symmetrically, and the close rear end of the upper horizontal bars lower plane of right vertical framework is provided with the second bearing seat 7; The vertical base of frame of both sides is transversely provided with motor fixing frame 12 near front end place, and on the front portion of the vertical framework of both sides, angle place is provided with battery mounting 9 symmetrically.
Fuselage head 11 is made up of two identical arc components, and arc component is fixed on the both sides, front end of waist 10 symmetrically.
Afterbody 14 is made up of vertical equity bar and longitudinal fixed link.The front end of vertical equity bar is fixed on the middle position of the transversely horizon bar of waist 10 rear end, the front end of longitudinal fixed link is fixed on the middle position of the flat bar of side launching of waist 10 rear end, the rear end of longitudinal fixed link is fixedly connected with the middle part of vertical equity bar, and vertical equity bar is mutually vertical with the flat bar of side launching with corresponding transversely horizon bar with longitudinal fixed link; Vertical equity rod member is provided with pin-and-hole 15 and tapped bore 16 successively before backward.
Driver train 3 comprises electrical motor 22, miniature gears 23, big gear wheel 24, the rotating shaft 30 of small belt pulley 28, first rotating shaft 25, two cranks 26, two connecting rods 27, second, big belt pulley 31, second connecting rod 17, rocking bar 18, the 3rd rotating shaft 21 and two wing mount brackets 20.
Electrical motor 22 is arranged on the motor fixing frame 12 of waist 10, and miniature gears 23 is arranged on the output shaft of electrical motor 22, and miniature gears 23 engages with big gear wheel 24.
First rotating shaft 25 is arranged on the clutch shaft bearing seat 13 of waist 10, at the two ends of the first rotating shaft 25, crank 26 is housed symmetrically, between two cranks 26, big gear wheel 24 and small belt pulley 28 is housed from left to right successively.Two crank 26 ends are connected by spherical pair with one end of each self-corresponding connecting rod 27, and the other end of two connecting rods 27 is provided with spherical pair, and the outer ring of spherical pair is fixed with the bearing pin 29 connecting wing.
Second rotating shaft 30 is arranged on the second bearing seat 7 of waist 10, and the second rotating shaft 30 is equipped with big belt pulley 31 near left end place, and big belt pulley 31 is connected with small belt pulley 28 by belt, and the bearing pin connecting connecting rod is equipped with at the side place of keeping to the side of big belt pulley 31.
The 3rd rotating shaft 21 3rd bearing seat 8 is equipped with, the two ends of the 3rd rotating shaft 21 are fixed with wing mount brackets 20, wing mount brackets 20 is positioned at the outside of the 3rd bearing seat 8, and wing mount brackets 20 is cuboid, and wing mount brackets 20 has the through hole 19 connecting wing along long direction.The middle part of the 3rd rotating shaft 21 is fixed with rocking bar 18 near left end place, the other end of rocking bar 18 and one end of second connecting rod 17 hinged, the hinge of the connection connecting rod on the other end of second connecting rod 17 and big belt pulley 31.
Two wing 4 shapes are identical, form by aerofoil 32, female member 34 and the bearing pin 35 that is connected wing mount brackets; The root of aerofoil 32 is fixedly connected with the closed end of female member 34, and the open end of female member 34 is equipped with the bearing pin 35 connecting wing mount brackets, and the bearing pin 35 connecting wing mount brackets is flexibly connected with the through hole 19 being connected wing; The plane of female member 34 closed end has bearing pin through hole 33, and bearing pin through hole 33 is fixedly connected with the bearing pin 29 of the connection wing that the outer ring of connecting rod 27 spherical pair is fixed.
Empennage mechanism 5 is made up of empennage steering wheel 38, rudder arm 39, third connecting rod 40, empennage 36 and the bearing pin 37 that is connected afterbody.
Empennage 36 is made up of vertical fin and horizontal tail; The aspect of vertical fin is trapezoidal, and horizontal tail is the entirety be made up of the equicrural triangle of front portion and the rectangle at rear portion, and vertical fin is vertically fixed on the middle position of horizontal tail.
Empennage steering wheel 38 is fixedly connected with afterbody 14 with the tapped bore 16 of afterbody 14 by bolt, and the output shaft of empennage steering wheel 38 is equipped with rudder arm 39, and rudder arm 39 is hinged with one end of third connecting rod 40, and the other end and the empennage 36 of third connecting rod 40 are hinged; Empennage 36 is flexibly connected with afterbody 14 by the connection bearing pin 37 of afterbody and the pin-and-hole 15 of afterbody 14.
The structure of control system is: emitter 41 and receiver 6 wireless connections, and lithium cell 2 is connected with the input port of receiver 6; The output port 1 of receiver 6 is connected with electrical motor 22, and the output port 2 of receiver 6 is connected with empennage steering wheel 38; Lithium cell 2 is arranged on battery mounting 9, and receiver 6 is fixed on the close front end place of the vertical equity rod member of afterbody 14.
The structure of the vertical framework of described both sides is identical, be by horizontal bars, front vertical rod member in rear vertical rod member, longitudinal direction, the flat rod member of end launching is connected successively with arc-shaped rod is closed framework.Wherein: the upper end of front vertical rod member and rear vertical rod member is fixed with longitudinally upper horizontal bars, and the lower end of front vertical rod member is fixed with the flat rod member of end launching, and rear vertical rod member lower end is connected by arc-shaped rod with the rear end of the flat rod member of end launching.The length of the flat rod member of end launching is 0.4 ~ 0.5 times of longitudinally upper horizontal bars, and the length of rear vertical rod member is 0.2 ~ 0.3 times of front vertically rod member.
The rear end of described longitudinal fixed link is fixedly connected with the middle part of vertical equity bar and refers to that longitudinal fixed link and the angle of vertical equity bar in junction are 25 ~ 28 °.
The closed end width of described female member 34 is 0.6 ~ 0.7 times of aerofoil 32 root width.
Embodiment 2
A kind of two-freedom flapping wing aircraft.Except following technical parameter, all the other are with embodiment 1:
The length of the flat rod member of end launching is 0.5 ~ 0.6 times of longitudinally upper horizontal bars, and the length of rear vertical rod member is 0.3 ~ 0.4 times of front vertically rod member.
The rear end of described longitudinal fixed link is fixedly connected with the middle part of vertical equity bar and refers to that longitudinal fixed link and the angle of vertical equity bar in junction are 27 ~ 30 °.
The closed end width of described female member 34 is 0.7 ~ 0.8 times of aerofoil 32 root width.
This detailed description of the invention compared with prior art has following good effect:
This detailed description of the invention is made up of fuselage 1, driver train 3, two wings 4, empennage mechanism 5 and control system, and structure is simple; Realized the flapping motion of two degree of freedom by an electrical motor 22, drive driving link few.This detailed description of the invention flutters owing to having and reverses the motion of two degree of freedom, can be changed the angle of attack of wing when flying by twisting motion, and relative to single degree of freedom flapping wing aircraft, flexibly, the effective lift of generation is large in flight.
When electrical motor 22 in this detailed description of the invention starts, the miniature gears 23 on motor output shaft rotates, and miniature gears 23 engages with big gear wheel 24, the small belt pulley 28 moment of torsion being passed to the first rotating shaft 25 and be arranged in the first rotating shaft 25; The rotation of the first rotating shaft 25 drives two cranks 26 being arranged on the first rotating shaft 25 two ends to rotate, and two cranks 26 drive respective connecting rod 27, two connecting rods 27 to be connected with each self-corresponding wing 4 by the bearing pin 29 of spherical pair outer ring; Two cranks, 26, two connecting rods 27, two wings 4, fuselages 1 form spatial linkage, and two connecting rods 27 that rotate through of two cranks 26 make two wings 4 spatially flutter down, realize the motion of fluttering of wing.
Small belt pulley 28 in this detailed description of the invention rotates along with the first rotating shaft 25, small belt pulley 28 passes through belt, moment of torsion is passed to big belt pulley 31, the second connecting rod 17 of big belt pulley 31 drive installation on big belt pulley 31 rotates, second connecting rod 17 drives rocking bar 18 reciprocally swinging, rocking bar 18 and the 3rd rotating shaft 21 are fixed together, 3rd rotating shaft 21 two ends fixed wing erecting frame 20, two wings 4 are arranged on wing mount brackets 20, and the reciprocally swinging of rocking bar 18 makes two wings 4 rotate around wing center line; Big belt pulley 31, second connecting rod 17, rocking bar 18 and wing 4 form quadric linkage, realize the twisting motion of wing.
Realized the motion of fluttering of wing by above-mentioned spatial linkage, quadric linkage realizes the twisting motion of wing, two motion synthesis, achieves-twisted coupling the motion of fluttering of wing.
When empennage steering wheel 38 in this detailed description of the invention rotates counterclockwise, the rudder arm 39 on empennage steering wheel output shaft is driven to rotate counterclockwise, rudder arm 39 is hinged with one end of third connecting rod 40, the other end and the empennage 36 of third connecting rod 40 are hinged, and empennage 36 is flexibly connected with afterbody 14 by the connection bearing pin 37 of afterbody and the pin-and-hole 15 of afterbody 14; , the rotating counterclockwise of rudder arm 39 hauls empennage 36 by third connecting rod 40 and turns left, flapping wing aircraft left-handed turning to.Otherwise, in like manner.
This detailed description of the invention is a kind of can fluttering and the flapping wing aircraft with two degree of freedom that can reverse; Be applicable to that biochemical detection is searched and rescued with environmental monitoring, disaster, low-altitude reconnaissance, the civilian and national defence such as communication repeating and signal disturbing.
Therefore, this detailed description of the invention has the flapping motion that structure is simple, driving driving link is few, can realize two-freedom, the feature that flight effective lift that is flexible and that produce is large.
Claims (4)
1. a two-freedom flapping wing aircraft, is characterized in that described two-freedom flapping wing aircraft is made up of fuselage (1), driver train (3), two wings (4), empennage mechanism (5) and control system; If fuselage head is front, in the face of the left side of fuselage head is left, fore-and-aft direction is longitudinally, and left and right directions is laterally;
Fuselage (1) is connected in sequence by fuselage head (11), waist (10) and afterbody (14);
The structure of waist (10) is: it is a box frame that the vertical framework in left side is connected by four transverse horizontal rod members with the vertical framework on right side, and the vertical framework of both sides is symmetrical arranged; The close bottom place of vertical framework is provided with vertical equity beam symmetrically, and the middle part of two vertical equity beams is provided with clutch shaft bearing seat (13) symmetrically; The close front end place of the upper horizontal bars lower plane of the vertical framework of both sides is provided with the 3rd bearing seat (8) symmetrically, and the close rear end of the upper horizontal bars lower plane of right vertical framework is provided with the second bearing seat (7); The vertical base of frame of both sides is transversely provided with motor fixing frame (12) near front end place, and on the front portion of the vertical framework of both sides, angle place is provided with battery mounting (9) symmetrically;
Fuselage head (11) is made up of two identical arc components, and arc component is fixed on the both sides, front end of waist (10) symmetrically;
Afterbody (14) is made up of vertical equity bar and longitudinal fixed link; The front end of vertical equity bar is fixed on the middle position of the transversely horizon bar of waist (10) rear end, the front end of longitudinal fixed link is fixed on the middle position of the flat bar of side launching of waist (10) rear end, the rear end of longitudinal fixed link is fixedly connected with the middle part of vertical equity bar, and vertical equity bar is mutually vertical with the flat bar of side launching with corresponding transversely horizon bar with longitudinal fixed link; Vertical equity rod member is provided with pin-and-hole (15) and tapped bore (16) successively before backward;
Driver train (3) comprises electrical motor (22), miniature gears (23), big gear wheel (24), small belt pulley (28), the first rotating shaft (25), two cranks (26), two connecting rods (27), the second rotating shaft (30), big belt pulley (31), second connecting rod (17), rocking bar (18), the 3rd rotating shaft (21) and two wing mount brackets (20);
Electrical motor (22) is arranged on the motor fixing frame (12) of waist (10), miniature gears (23) is arranged on the output shaft of electrical motor (22), and miniature gears (23) engages with big gear wheel (24);
First rotating shaft (25) is arranged on the clutch shaft bearing seat (13) of waist (10), at the two ends of the first rotating shaft (25), crank (26) is housed symmetrically, big gear wheel (24) and small belt pulley (28) are housed between two cranks (26) from left to right successively; Two crank (26) ends are connected by spherical pair with one end of each self-corresponding connecting rod (27), the other end of two connecting rods (27) is provided with spherical pair, and the outer ring of spherical pair is fixed with the bearing pin (29) connecting wing;
Second rotating shaft (30) is arranged on second bearing seat (7) of waist (10), second rotating shaft (30) is equipped with big belt pulley (31) near left end place, big belt pulley (31) is connected with small belt pulley (28) by belt, and the bearing pin connecting connecting rod is equipped with at the side place of keeping to the side of big belt pulley (31);
The 3rd rotating shaft (21) 3rd bearing seat (8) is equipped with, the two ends of the 3rd rotating shaft (21) are fixed with wing mount brackets (20), wing mount brackets (20) is positioned at the outside of the 3rd bearing seat (8), wing mount brackets (20) is cuboid, and wing mount brackets (20) has the through hole (19) connecting wing along long direction; The middle part of the 3rd rotating shaft (21) is fixed with rocking bar (18) near left end place, the other end of rocking bar (18) and one end of second connecting rod (17) hinged, the hinge of the connection connecting rod on the other end of second connecting rod (17) and big belt pulley (31);
Two wing (4) shapes are identical, by aerofoil (32), female member (34) and bearing pin (35) formation being connected wing mount brackets; The root of aerofoil (32) is fixedly connected with the closed end of female member (34), the open end of female member (34) is equipped with the bearing pin (35) connecting wing mount brackets, and the bearing pin (35) connecting wing mount brackets is flexibly connected with the through hole (19) being connected wing; The plane of female member (34) closed end has bearing pin through hole (33), and the bearing pin (29) of the connection wing that bearing pin through hole (33) is fixed with the outer ring of connecting rod (27) spherical pair is fixedly connected with;
Empennage mechanism (5) is made up of empennage steering wheel (38), rudder arm (39), third connecting rod (40), empennage (36) and the bearing pin (37) that is connected afterbody;
Empennage (36) is made up of vertical fin and horizontal tail; The aspect of vertical fin is trapezoidal, and horizontal tail is the entirety be made up of the equicrural triangle of front portion and the rectangle at rear portion, and vertical fin is vertically fixed on the middle position of horizontal tail;
Empennage steering wheel (38) is fixedly connected with afterbody (14) with the tapped bore (16) of afterbody (14) by bolt, the output shaft of empennage steering wheel (38) is equipped with rudder arm (39), rudder arm (39) is hinged with one end of third connecting rod (40), and the other end and the empennage (36) of third connecting rod (40) are hinged; Empennage (36) is flexibly connected with afterbody (14) by the connection bearing pin (37) of afterbody and the pin-and-hole (15) of afterbody (14);
The structure of control system is: emitter (41) and receiver (6) wireless connections, and lithium cell (2) is connected with the input port of receiver (6); The output port 1 of receiver (6) is connected with electrical motor (22), and the output port 2 of receiver (6) is connected with empennage steering wheel (38); Lithium cell (2) is arranged on battery mounting (9), and receiver (6) is fixed on the close front end place of the vertical equity rod member of afterbody (14).
2. two-freedom flapping wing aircraft according to claim 1, it is characterized in that the structure of the vertical framework of described both sides is identical, be by horizontal bars, front vertical rod member in rear vertical rod member, longitudinal direction, the flat rod member of end launching is connected successively with arc-shaped rod is closed framework; Wherein: the upper end of front vertical rod member and rear vertical rod member is fixed with longitudinally upper horizontal bars, and the lower end of front vertical rod member is fixed with the flat rod member of end launching, and rear vertical rod member lower end is connected by arc-shaped rod with the rear end of the flat rod member of end launching; The length of the flat rod member of end launching is 0.4 ~ 0.6 times of longitudinally upper horizontal bars, and the length of rear vertical rod member is 0.2 ~ 0.4 times of front vertically rod member.
3. two-freedom flapping wing aircraft according to claim 1, is characterized in that the rear end of described longitudinal fixed link is fixedly connected with the middle part of vertical equity bar and refers to that longitudinal fixed link and the angle of vertical equity bar in junction are 25 ~ 30 °.
4. two-freedom flapping wing aircraft according to claim 1, is characterized in that the closed end width of described female member (34) is 0.6 ~ 0.8 times of aerofoil (32) root width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520929295.0U CN205113712U (en) | 2015-11-20 | 2015-11-20 | Two degree of freedom flapping wing aircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520929295.0U CN205113712U (en) | 2015-11-20 | 2015-11-20 | Two degree of freedom flapping wing aircraft |
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| Publication Number | Publication Date |
|---|---|
| CN205113712U true CN205113712U (en) | 2016-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520929295.0U Withdrawn - After Issue CN205113712U (en) | 2015-11-20 | 2015-11-20 | Two degree of freedom flapping wing aircraft |
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| CN (1) | CN205113712U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105329443A (en) * | 2015-11-20 | 2016-02-17 | 武汉科技大学 | Ornithopter capable of realizing flapping-reversing coupled motion |
| CN107891980A (en) * | 2017-10-26 | 2018-04-10 | 江苏大学 | A kind of four-degree-of-freedom flapping motion mechanism |
| CN110104173A (en) * | 2019-05-14 | 2019-08-09 | 吉林大学 | One kind plunderring torsional mode three-freedom miniature flapping wing aircraft |
| CN112078791A (en) * | 2020-09-10 | 2020-12-15 | 哈尔滨工业大学（深圳） | Flapping wing aircraft |
-
2015
- 2015-11-20 CN CN201520929295.0U patent/CN205113712U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105329443A (en) * | 2015-11-20 | 2016-02-17 | 武汉科技大学 | Ornithopter capable of realizing flapping-reversing coupled motion |
| CN105329443B (en) * | 2015-11-20 | 2017-05-31 | 武汉科技大学 | One kind flutter twisted coupling motion flapping wing aircraft |
| CN107891980A (en) * | 2017-10-26 | 2018-04-10 | 江苏大学 | A kind of four-degree-of-freedom flapping motion mechanism |
| CN110104173A (en) * | 2019-05-14 | 2019-08-09 | 吉林大学 | One kind plunderring torsional mode three-freedom miniature flapping wing aircraft |
| CN112078791A (en) * | 2020-09-10 | 2020-12-15 | 哈尔滨工业大学（深圳） | Flapping wing aircraft |
| CN112078791B (en) * | 2020-09-10 | 2022-07-05 | 哈尔滨工业大学（深圳） | Flapping wing aircraft |
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