CN103921941A

CN103921941A - Bird-like aircraft

Info

Publication number: CN103921941A
Application number: CN201310730892.6A
Authority: CN
Inventors: 卢仁华
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-12-25
Filing date: 2013-12-25
Publication date: 2014-07-16

Abstract

A bird-like aircraft is characterized in that a driving rotation shaft of an engine is provided with a crankshaft and a connecting rod, the lower portion of the engine is provided with a cylinder and piston device, and the piston is connected with the crankshaft and the connecting rod, so the rotation locus of the driving shaft of the engine converts to the up-and-down reciprocating movement locus of the piston in the cylinder; and the piston is provided with a prying rod, and the prying rod can pry two wing blocks on the side surface in order to make the two wing blocks up and down vibrate with the piston and imitate the flapping wing flight motion of a bird.

Description

Artificial bird type aircraft

Technical field

What the present invention relates to is a kind of device that imitates flying bird flare maneuver.

Background technology

In human history, the aircraft that can aloft fly that the mankind make has several: one, gas gravity differs lifting flight method, common are airship, fire balloon; Two, rotary wings lifting flight method, common are autogyro; Three, the oblique wing flight method that advances at utmost speed, namely our common fixing span aircraft; Four, spray and promote flight method, common are rocket; Five, imitative bird flapping flight method, sees in the various toys that this method is also made people and model.But can not really fly.

The application of installation of imitative bird flapping flight method is little in practical use, generally for toy, because the machine power of the flapping wing device that people make now changes into the low conversion rate of lift, fuel or electric power can be finished very soon, this is not so good as with general rotary wings or fixed-wing machine.But, the advantage that imitative bird flapping wing device has other booster to reach, for example it has flare maneuver and the shape identical with bird or other insect, no matter this advantage is all promising greatly aspect games for play or civilian, military surveillance.

Summary of the invention

In order to overcome general flapping wing device driving engine or the not high shortcoming of motor power conversion ratio, I have invented a kind of best artificial bird type aircraft, the driving engine of this artificial bird type aircraft or the turning effort of motor change into that the conversion ratio of lift is high and sound is little, lightweight, consume energy littlely, make it can be applied to amusement, civilian shooting, military surveillance even manned.

Artificial bird type aircraft the taked technical scheme of dealing with problems is: on engine drive axle, crankshaft-and-connecting-rod is set, a cylinder barrel and piston apparatus are installed in driving engine bottom, and piston is connected with a crankshaft-and-connecting-rod, like this, the track that engine drive axle rotates just changes into the upper and lower reciprocating track of piston in cylinder barrel, on piston, Guang plugs in a ripping bar again, and ripping bar just can prize the flare maneuver of the flapping wing of two imitative birds of intersection wing pieces generation of both sides upper and lower, back and forth.

Bird flying imitation action of the present invention is to adopt motor or turn of engine axle turning crankshaft to drive piston up-down to produce by connecting rod, and such transmission process is the rotation relation of circular shaft and cylinder, the collision that does not produce any machinery, and kinetic transformation rate is high.We can be by another kind of method account for motion transition process, as engine interior be all cylinder barrel inner carrier up-and-down movement becomes turning cylinder rotation by connecting rod band dynamic crankshaft, device of the present invention becomes the rotation of turning cylinder the up-and-down movement of piston on the contrary.General flapping wing device is all to adopt axis, plush copper to scrape method to produce upper and lower flapping wing action, and such action produces very large collision and friction, and collision and friction not only produce the very large sound but also wasted energy.Friction force is unescapable, but the position that is in transmission connection in artificial bird type aircraft of the present invention is mostly the relation of axle and cylinder, and that can do is very smooth, just friction force can be reduced to less limit if add lubricating oil.We know, want sound little even noiseless for the aircraft of military surveillance, can not cause like this enemy's attention, if the present invention adopts electric notor as power, are made into so flying bird or mosquitos and flies, can not make a noise, and will complete great reconnaissance mission.

The rotation that in artificial bird type aircraft of the present invention, driving engine or motor produce becomes the up-and-down movement of piston by the transmission of crankshaft-and-connecting-rod, flapping wing action is just easy to produce like this.But how to accomplish that flapping wing action can not produce the collision of fuselage tool and a large amount of frictions? ripping bar on piston prizes the wing piece that two reversing senses stretch out simultaneously, the every wing has fulcrum shaft, one of two wings has a microscler bayonet socket to stick into ripping bar, that is to say that ripping bar is the interface point of both wings piece bayonet socket, in the time of piston up-down, both wings piece produces up and down flapping wing action simultaneously under the effect of fixed pivot like this.In process at ripping bar with piston up-down, because the fulcrum on wing piece is fixed, the distance of ripping bar and fulcrum constantly repeats to change, and wing piece connects fulcrum and ripping bar, therefore yet crank motion in the bayonet socket of both wings piece of ripping bar, such motion does not produce any collision yet.

Wing piece of the present invention is designed to elasticity blob of viscose stiffened skeleton structure, the joint point of connection of os osseum is on the top of blob of viscose, so whole piece os osseum can bend downwards, if but can only curvedly reach joint and joint while upwards bending because the joint bottom of joint and joint has blob of viscose to be stained with to close, just tight joint is just inactive, such hard frame and elasticity blob of viscose are stained with and are combined the area reducing that forms wings wing while making wing upward movement, while moving downward, the area of the wing increases, if wing piece constantly vibration is just upwards agitated very little air-flow and is agitated very large air-flow to produce very large lift downwards.We can find, although we are so ingenious wing design, but when wing upward movement, still to overcome a small amount of air resistance acting, Here it is, and flutter device is wasted the major reason of energy, this makes the mankind not take flapping wing aircraft to transport, waste energy can be reduced to minimum limit but flapping wing device of the present invention adopts collisionless transmission and os osseum to add blob of viscose structural fin, this has been the limit that the mankind can accomplish.

The beneficial effect of artificial bird type aircraft of the present invention is: artificial bird type aircraft of the present invention power consumption is little, flight duty cycle is long, noise is little, be difficult for being identified when mockingbird or insect, can scout for civilian or military.

Brief description of the drawings

Fig. 1 is that the driving engine of artificial bird type aircraft of the present invention or the axle rotation formula of motor change into the up-and-down movement form of piston and prize the structure principle chart of two wing pieces.

Cross-sectional view when Fig. 2 is the wing piece upward movement of artificial bird type aircraft of the present invention.

Fig. 3 is the cross-sectional view of the wing piece of artificial bird type aircraft of the present invention while moving downward.

Fig. 4 is the structure principle chart of the wing piece of artificial bird type aircraft of the present invention.

In figure, 1 driving engine or motor, 2 miniature gearss, 3 big gear wheels, 4 bent axles, 5 connecting rods, 6 pistons, 7 cylinder barrels, 8 ripping bars, 9 bayonet sockets, 10 wing trunk bones, 11 fulcrum shafts, 12 transversums, 13 joints, 14 elasticity blob of viscoses.

Detailed description of the invention

Below in conjunction with embodiment and accompanying drawing, artificial bird type aircraft is further illustrated.

Fig. 1 is the up-and-down movement form that a rotation formula the turning cylinder of driving engine or motor changes into piston, motor or driving engine (1) in figure if rotating speed very high, transmission system just should be installed.Transmission system in Fig. 1 is two simple gears, and the big gear wheel (3) on miniature gears (2) the transmission top in rotating shaft makes rotating speed reduce several times.Can make rotating speed reduce can also the throttle of driving engine be controlled or the battery of motor is carried out the control of electric current.In Fig. 1, see bent axle (4) has been installed in the big gear wheel after deceleration, big gear wheel bottom is provided with cylinder barrel (7) piston (6) combination, connecting rod (5) connects crankshaft and piston, like this, also one first rotation of drivening rod of bent axle in the time that big gear wheel is rotated by pinion drive, and the other end of connecting rod hauls piston up-down.If we cut open a groove from top to bottom at cylinder barrel, piston top rail plug in a ripping bar make ripping bar (8) can be between groove up-and-down movement, this ripping bar just can prize up and down two wing pieces that have a fulcrum shaft (11) and makes flapping wing and move so.In Fig. 1, the bayonet socket of both wings piece has all blocked ripping bar, two bayonet sockets are side by side, so just there is the wing piece on both sides laterally not on same straight line, if the trunk of a wing piece is wherein made into the trunk of the folding at a right angle, both wings piece, just on same straight line, just produces identical air-flow downwards when the vibration of wing piece so.

Fig. 2 is the wing piece cross-sectional view of artificial bird type aircraft of the present invention, wing piece in figure divides two-layer, and upper strata is transversum (12) layer, and lower one deck is elasticity blob of viscose (14) layer, transversum layer attaches on elasticity blob of viscose layer, and the centre of elasticity blob of viscose layer is also stained with and has been closed a wing trunk bone (10).If this piece pterygoid process so drives upward movement by trunk bone, like this due to the downward effect of gravity and the unexpected resistance of air, elasticity blob of viscose there will be tortuous bow shape, the air resistance being subject in the process of this tortuous bow shape upward movement is very little, because air-flow can slip off to both sides, but this tortuous bow shape also should have certain limit, if elasticity blob of viscose elasticity is too soft, tortuous bow shape too bends, in the time that wing piece moves downward, return to while opening shape and need the time, also badly while moving downward like this can produce as early as possible downward air-flow, this will select suitable elasticity blob of viscose.We see that the transversum on upper strata in the time of wing piece upward movement does not affect the tortuous bow degree of blob of viscose and has Action of Gravity Field to contribute to the formation of this tortuous bow.

Fig. 3 is also the cross-sectional view of artificial bird type aircraft of the present invention, but in figure this piece wing be not tortuous bow shape but launch very large, but again not tensible, because the interface between each joint (13) of the transversum layer on elasticity blob of viscose top has engaged closely, very tightly do not do to give way and the elasticity blob of viscose of joint interface bottom is stained with, while being appreciated that just now wing piece upward movement from this point between joint because does not limit on top and joint interface top can be broken into two with one's hands and bottom can not be broken into two with one's hands.When we have understood wing piece upward movement now, make tortuous bow shape and make the large-area fan wing stretching while moving downward, like this, air resistance that wing piece when vibration can upward movement be subject to air resistance little and that be subject to while moving downward is large, so just produced lift upwards.

In Fig. 4, we have seen a wing piece planar structure schematic diagram in two wing pieces of artificial bird type aircraft of the present invention, this figure feels people as if foil, there is trunk bone (10), there is branch (transversum) (12), such structure is can have again the Fan of shaking power for expendable weight, but different from plant leaf is, and that branch is not is oblique but vertical with trunk bone photo, makes like this trunk bone and transversum better in conjunction with forming bearing force.Transversum in Fig. 4 is a lot of side by side, and in figure, if use metal transversum, so many transversums have certain weight, for expendable weight, transversum can also can reach required hardness and bearing capacity with plastics, because every joint joint is very short, also can not break even if the monoblock wing has all battered down joint.Elasticity blob of viscose in Fig. 4 has the effect of fixing transversum and trunk position, and maximum effect is that the moving air of Fan produces lift upwards.In figure, the fulcrum shaft of trunk (11) is located to open to both sides much larger, can increase like this wing piece stability in when vibration.

Claims

1. artificial bird type aircraft, it is characterized in that: on artificial bird type aircraft engine drive axle, crankshaft-and-connecting-rod is set, a piston cylinder device is installed in driving engine bottom, and piston connects again crankshaft-and-connecting-rod, the track that engine drive axle rotates so just changes into the track that piston pumps in cylinder barrel, on piston, also have a ripping bar, ripping bar is followed piston movement and is prized two of sides wing piece and produce upper and lower flapping flight action.