CN219077477U

CN219077477U - Novel bionic flapping wing aircraft

Info

Publication number: CN219077477U
Application number: CN202223274691.3U
Authority: CN
Inventors: 乔巍; 侯嘉豪
Original assignee: Northwestern Polytechnical University
Current assignee: Northwestern Polytechnical University
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-05-26
Anticipated expiration: 2032-12-07

Abstract

The utility model discloses a novel bionic ornithopter, which comprises the following components: a frame; the driving structure is arranged on the rack; the main wing swinging structure is arranged on the driving structure; one end of the first connecting piece is connected with the driving end of the first steering engine; the middle piece is movably arranged at the other end of the first connecting piece through a screw; and one end of the middle piece is movably arranged on the first connecting piece through a screw. The novel bionic ornithopter has the advantages that the overall structure is optimally designed, the lightness and the flexibility of the structure are guaranteed, and meanwhile, the overall quality is lightened, so that the energy consumption is lower during flight; the front end flapping wings and the rear end flapping wings are respectively fixed on the front side and the rear side of the front connecting piece and the rear connecting piece, so that the effective stress area is increased, the flying lift force is larger, and meanwhile, the stress at the root of each flapping wing is reduced due to the adoption of the front connecting piece and the rear connecting piece, and the flapping wings are not easy to break.

Description

Novel bionic flapping wing aircraft

Technical Field

The utility model relates to the technical field of bionic aircrafts, in particular to a novel bionic ornithopter.

Background

With the development of the current technology, more and more utility models are provided in the field of bionic flight, and then the flapping wing aircraft has little involvement. At present, most of aircrafts in the prior art are single wings and are adhered with plastic films, so that the design stability is not enough, the lifting force provided by the wings is too small, the performance is poor, meanwhile, the stress at the root parts of the wings is too large, the wings are broken, the entity design is adopted at the tail wing part of the aircraft, and the weight is too large, so that the overall performance of the aircraft is influenced.

Disclosure of Invention

The utility model aims to provide a novel bionic ornithopter, which aims to solve the problems that in the prior art, most of the aircrafts are single wings and plastic films are adhered, the design stability is insufficient, the lifting force provided by the wings is too small, the performance is poor, meanwhile, the stress at the root parts of the wings is too large, the wings are broken, and the entity design is adopted at the tail wing part of the aircrafts, so that the weight is too large, and the overall performance of the aircrafts is influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: novel bionic ornithopter comprises: a frame; the driving structure is arranged on the rack; the main wing swinging structure is arranged on the driving structure; one end of the first connecting piece is connected with the driving end of the first steering engine; the middle piece is movably arranged at the other end of the first connecting piece through a screw; one end of the middle piece is movably arranged on the first connecting piece through a screw; and the tail wing swing structure is arranged on the middle piece.

In some possible embodiments, the driving structure includes: the driving piece is arranged on the frame; the driving gear is arranged on the driving end of the driving piece; the connecting gear is rotatably arranged on the rack and is meshed with the driving gear; the rotating gear is arranged on the connecting gear; and the driven gears are rotatably arranged on the frame and meshed with each other, and one driven gear is meshed with the rotating gear.

In some possible embodiments, the front side on the frame is further provided with two protrusions.

In some possible embodiments, the main wing swing structure includes: the triangular pieces are two in number and are arranged on the two driven gears; one ends of the first carbon fiber pipes are rotatably arranged on the two triangular pieces and the two protrusions through the O-shaped pieces; one end of the plurality of second carbon fiber tubes is rotationally connected with the other ends of the plurality of first carbon fiber tubes; one ends of the two third carbon fiber pipes are connected to the two triangular pieces, and the other ends of the two third carbon fiber pipes are arranged on the two second carbon fiber pipes; the front and rear connecting pieces are respectively sleeved on the first carbon fiber tubes and the second carbon fiber tubes.

In some possible embodiments, the tail wing swing structure comprises: one end of the connecting piece is rotatably arranged on the rack, and the other end of the connecting piece is connected with the other end of the middle piece; the second steering engine is arranged at one end of the connecting piece; the second connecting piece is connected to the driving end of the second steering engine; and the flat plate is connected to the second connecting piece.

In some possible embodiments, the connection parts of the first carbon fiber tube, the second carbon fiber tube and the third carbon fiber tube are all provided with pressing sheets.

Compared with the prior art, the utility model has the beneficial effects that: the novel bionic ornithopter has the advantages that the overall structure is optimally designed, the lightness and the flexibility of the structure are guaranteed, and meanwhile, the overall quality is lightened, so that the energy consumption is lower during flight;

the front end flapping wings and the rear end flapping wings are respectively fixed on the front side and the rear side of the front connecting piece and the rear connecting piece, so that the effective stress area is increased, the flying lift force is larger, and meanwhile, the stress at the root of each flapping wing is reduced due to the adoption of the front connecting piece and the rear connecting piece, and the flapping wings are not easy to break.

The tail adopts the first steering engine and the second steering engine to swing up and down and left and right, so that the freedom degrees in the two directions can be effectively realized, and meanwhile, the tail fin adopts a hollowed-out design, so that the weight is saved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of a driving member according to the present utility model;

FIG. 3 is a schematic perspective view of a driven gear according to the present utility model

FIG. 4 is a schematic perspective view of the tail swing structure of the present utility model;

FIG. 5 is a schematic perspective view of a middleware according to the present utility model;

fig. 6 is a schematic perspective view of a driving structure of the present utility model.

In the figure: 1. the steering device comprises a frame, 2, a first steering engine, 3, a first connecting piece, 4, a middle piece, 5, a driving piece, 6, a driving gear, 7, a connecting gear, 8, a rotating gear, 9, a driven gear, 10, a triangle piece, 11, a first carbon fiber tube, 12, a second carbon fiber tube, 13, a third carbon fiber tube, 14, a front-back connecting piece, 15, a second steering engine, 16, a second connecting piece, 17, a flat plate, 18, a bulge, 19, an O-shaped piece, 20 tabletting, 21 and a connecting piece.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: novel bionic ornithopter comprises: the device comprises a frame 1, a driving structure, a main wing swing structure, a first steering engine 2, a first connecting piece 3, a middle piece 4 and a tail wing swing structure, wherein the driving structure is arranged on the frame 1; the main wing swing structure is arranged on the driving structure; the first steering engine 2 is arranged at the tail part of the frame 1; one end of the first connecting piece 3 is connected with the driving end of the first steering engine 2; one end of the intermediate piece 4 is movably arranged on the other end of the first connecting piece 3 through a screw; the tail oscillating structure is arranged on the intermediate piece 4.

Specifically, when flying, the driving structure on the frame 1 starts to drive, and then drives the main wing swing structure to reciprocate and swing, simultaneously first steering wheel 2 then drives first connecting piece 3 and begins to rotate, middleware 4 then rotates as the center with the drive end of first steering wheel 2, and then make displacement swing structure realize the effect of oscilaltion, first steering wheel 2 is connected with first connecting piece 3, rethread screw is connected with middleware 4, the hole in the middleware 4 is passed through at terminal bolt and is realized being connected with link 21, can drive first connecting piece 3 through the rotation of first steering wheel 2, thereby drive middleware 4 and rotate, drive whole fin swing structure oscilaltion again, thereby realize the wing oscilaltion of simulation birds, and realize the effect of flying.

In some examples, the drive structure includes: the driving piece 5, the driving gear 6, the connecting gear 7, the rotating gear 8 and the driven gear 9, and the driving piece 5 is arranged on the frame 1; the driving gear 6 is arranged on the driving end of the driving piece 5; the connecting gear 7 is rotatably arranged on the frame 1 and meshed with the driving gear 6; the rotating gear 8 is arranged on the connecting gear 7; two driven gears 9 are rotatably mounted on the frame 1 and intermesh, one of the driven gears 9 being in engagement with the rotating gear 8.

Specifically, when the main wing swing structure is driven to swing, the driving piece 5 starts to rotate, the driving gear 6 on the driving end of the driving piece is driven to start rotating, the driving gear 6 is meshed with the connecting gear 7, the connecting gear 7 rotates along with the driving gear 6 when the driving gear 6 rotates, meanwhile, the rotating gear 8 on the connecting gear 7 starts to drive one driven gear 9 to rotate, the rotating effect of the two gears is achieved due to the fact that the two driven gears 9 are meshed with each other, and the speed of the swing of the main wing swing structure can be controlled more easily due to the fact that the driving gear 6, the connecting gear 7 and the rotating gear 8 are matched with each other.

In some examples, the main wing swing structure includes: triangular pieces 10, first carbon fiber pipes 11, second carbon fiber pipes 12, third carbon fiber pipes 13 and front and rear connecting pieces 14, wherein the number of the triangular pieces 10 is two, and the triangular pieces are arranged on the two driven gears 9; one ends of a plurality of first carbon fiber tubes 11 are rotatably arranged on the two triangular pieces 10 and the two protrusions 18; one end of the plurality of second carbon fiber tubes 12 is rotatably connected to the other end of the plurality of first carbon fiber tubes 11; one end of the two third carbon fiber tubes 13 is connected to the two triangular pieces 10, and the other end is arranged on two of the two second carbon fiber tubes 12; the front and rear connectors 14 are respectively sleeved on the first carbon fiber tubes 11 and the second carbon fiber tubes 12, and two protrusions 18 are further arranged on the front side of the frame 1.

Specifically, when the two driven gears 9 start to rotate, the triangular piece 10 is driven to start to swing up and down, so that the third carbon fiber tube 13, the second carbon fiber tube 12 and the first carbon fiber tube 11 connected with the triangular piece start to swing in a staggered manner, wing swinging of birds is simulated, the front and rear connecting pieces 14 connect the second carbon fiber tube 12 and the first carbon fiber tube 11, the rear ends of the front and rear connecting pieces 14 are used for fixing rear flapping wings, the front ends of the front and rear connecting pieces 14 are used for fixing front flapping wings, the first carbon fiber tube 11 swings around the O-shaped piece 19, when the driven gears 9 rotate to the lower part with the triangular piece 10, the second carbon fiber tube 12 is driven to swing down under the action of the third carbon fiber tube 13, the wing flapping wings are simulated, the outer section flapping wings are driven to swing through the front and rear connecting pieces 14 while the inner end flapping wings are in a flapping mode, and the stress area of the linked wings is increased.

In some examples, the tail wing swing structure includes: the connecting piece 21, the second steering engine 15, the second connecting piece 16 and the flat plate 17, wherein one end of the connecting piece 21 is rotatably arranged on the frame 1, and the other end of the connecting piece is connected with the other end of the middle piece 4; the second steering engine 15 is arranged at one end of the connecting piece 21; the second connecting piece 16 is connected to the driving end of the second steering engine 15; the plate 17 is connected to the second connector 16.

Specifically, the first steering engine 2 is connected with the first connecting piece 3, rethread screw is connected with the middleware 4, the end bolt passes through the hole in the middleware 4 and realizes being connected with the linking piece 21, the rotation through the first steering engine 2 can drive the rotation of first connecting piece 3, thereby drive the middleware 4 and rotate, drive whole fin oscillating structure and swing from top to bottom again, be connected with the second connecting piece 16 by the second steering engine 15 simultaneously, the second connecting piece 16 is connected with dull and stereotyped 17, thereby the second steering engine 15 rotates and drives the second connecting piece 16 and rotate and drive the fin and swing from side to side.

In some examples, the connection portions of the first carbon fiber pipe 11, the second carbon fiber pipe 12, and the third carbon fiber pipe 13 are each provided with a pressing piece 20.

Specifically, the arrangement of the pressing sheet 20 makes the connection of the connection parts of the first carbon fiber tube 11, the second carbon fiber tube 12 and the third carbon fiber tube 13 more stable, and is convenient to detach and maintain.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "one side," "top," "inner," "front," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation; also, unless expressly specified and limited otherwise, the terms "disposed," "mounted," "connected," "fixedly mounted," and the like should be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Novel bionic ornithopter, which is characterized by comprising:

a frame (1);

the driving structure is arranged on the frame (1);

the main wing swinging structure is arranged on the driving structure;

the first steering engine (2) is arranged at the tail part of the frame (1);

one end of the first connecting piece (3) is connected with the driving end of the first steering engine (2);

one end of the middle piece (4) is movably arranged at the other end of the first connecting piece (3) through a screw;

and the tail wing swing structure is arranged on the middle piece (4).

2. The novel bionic ornithopter of claim 1, wherein: the driving structure includes:

the driving piece (5), the said driving piece (5) is set up on stander (1);

a drive gear (6), wherein the drive gear (6) is arranged on the driving end of the driving piece (5);

the connecting gear (7) is rotatably arranged on the frame (1) and is meshed with the driving gear (6);

a rotating gear (8), wherein the rotating gear (8) is arranged on the connecting gear (7);

and the driven gears (9) are rotatably arranged on the frame (1) and meshed with each other, and one driven gear (9) is meshed with the rotating gear (8).

3. The novel bionic ornithopter of claim 2, wherein: the front side of the frame (1) is also provided with two bulges (18).

4. A novel bionic ornithopter according to claim 3, wherein: the main wing swing structure includes:

-three corner pieces (10), the number of said three corner pieces (10) being two and being arranged on two of said driven gears (9);

one end of each first carbon fiber tube (11) is rotatably arranged on the two triangular pieces (10) and the two protrusions (18) through an O-shaped piece (19);

a second carbon fiber tube (12), wherein one ends of a plurality of the second carbon fiber tubes (12) are rotatably connected to the other ends of a plurality of the first carbon fiber tubes (11);

one ends of the two third carbon fiber pipes (13) are connected to the two triangular pieces (10), and the other ends of the two third carbon fiber pipes are arranged on two second carbon fiber pipes (12);

the front and rear connectors (14), a plurality of front and rear connectors (14) are respectively sleeved on a plurality of first carbon fiber tubes (11) and a plurality of second carbon fiber tubes (12).

5. The novel bionic ornithopter of claim 1, wherein: the tail wing swing structure includes:

one end of the connecting piece (21) is rotatably arranged on the frame (1), and the other end of the connecting piece is connected with the other end of the middle piece (4);

the second steering engine (15) is arranged at one end of the connecting piece (21);

the second connecting piece (16), the said second connecting piece (16) connects to the driving end of the second steering wheel (15);

-a plate (17), said plate (17) being connected to the second connection (16).

6. The novel bionic ornithopter of claim 4, wherein: the connecting parts of the first carbon fiber tube (11), the second carbon fiber tube (12) and the third carbon fiber tube (13) are provided with pressing sheets.