CN218892685U

CN218892685U - Flapping wing structure

Info

Publication number: CN218892685U
Application number: CN202320244881.6U
Authority: CN
Inventors: 黄昌隆; 裴玲
Original assignee: Hohai University HHU
Current assignee: Hohai University HHU
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-04-21
Anticipated expiration: 2033-02-17

Abstract

The utility model relates to the technical field of flapping wing structures, in particular to a flapping wing structure, which comprises a mounting plate, wherein a transmission assembly and a flapping wing assembly are arranged on the mounting plate, and the flapping wing assembly is connected with the transmission assembly so as to realize swinging; the utility model adopts the design structure of the two groups of swing rod assemblies, so that the two groups of swing rod assemblies can always keep symmetrical positions in the driving process of the driving assembly, the flying center of gravity of the whole mounting plate is ensured, and compared with the design mode of a group of eccentric rod structures in the prior art, the utility model can realize better flying stability.

Description

Flapping wing structure

Technical Field

The utility model relates to the technical field of flapping wing structures, in particular to a flapping wing structure.

Background

The bionics is always used as a hot topic, the functions of the living beings are far superior to those of any artificially manufactured machinery, the bionics is a subject to be realized in engineering and effectively applied with the biological functions, the bionics is a scientific method for simulating the functions and behaviors of a biological system to build a technical system, the limit of the living beings and the machines is broken, and various systems are communicated, so that the analysis and the mastering of the flight characteristics and the mechanical structural design of the birds are the primary tasks for solving the flight of the bionic ornithopter.

As the prior art chinese patent publication No. CN207060402U discloses a flapping wing structure of a bionic bird, comprising; the motor shell, the right rear part of the motor shell is provided with a driving disc, the plectrum is connected to the middle part of the right side of the motor shell, and the right end part of the plectrum is provided with a rocker arm; the connecting rod is arranged in the middle of the rocker arm, the first framework is arranged on the outer side of the right part of the connecting rod, and the right end of the connecting rod is connected with an auxiliary wing rod through a connecting sleeve.

In the technical scheme, the folding wings on two sides swing in a driving mode of driving the connecting rod by adopting the crank, but the gravity center of the connecting rod always changes in actual working because the connecting rod performs circular motion, so that the gravity center of the whole device is easily deviated in flying, and the flying stability is influenced.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a flapping wing structure.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the flapping wing structure comprises a mounting plate, wherein a transmission assembly and a flapping wing assembly are arranged on the mounting plate, and the flapping wing assembly is connected with the transmission assembly to realize swinging;

the bottom of the mounting plate is also provided with a driving assembly, the driving assembly is provided with two groups of output ends, swing rod assemblies are respectively connected between the two groups of output ends and the transmission assembly in a pin joint mode, and the swing rod assemblies are used for driving the transmission assembly to generate displacement so as to drive the flapping wing assembly to swing;

the two groups of swing rod assemblies are symmetrically arranged along the central line of the mounting plate so as to ensure that the gravity centers of the two groups of swing rod assemblies are positioned on the central line of the mounting plate.

Further, the transmission assembly comprises a driving seat, a driving groove is formed in the end face of the mounting plate along the height direction of the mounting plate, and the driving seat is slidably connected in the driving groove.

Further, the flapping wing assembly comprises a sliding seat which is connected to the mounting plate in a sliding manner, wherein a connecting rod is connected to the sliding seat in a pin joint manner, one end of the connecting rod is connected with the driving seat in a pin joint manner, and a wing fan is arranged on the other end of the connecting rod.

Furthermore, the mounting plate is further provided with a sliding groove along the width direction, the sliding groove is communicated with the driving groove, and two groups of sliding seats are respectively and slidably connected to two sides of the sliding groove.

Further, the driving assembly comprises a fixing frame arranged at the bottom of the mounting plate, the inner side of the fixing frame is connected with a bevel gear A through motor driving, shaft rods are inserted into two sides of the fixing frame, and two groups of shaft rods are arranged on the inner side of the fixing frame in a sleeved mode;

and the shaft lever is fixedly provided with bevel gears B, and two groups of bevel gears B are meshed with two sides of the bevel gear A.

Further, the swing rod assembly comprises a fixed rod connected with the shaft rod, a driving rod is connected to the fixed rod in a pin joint mode, and the free end of the driving rod is connected with the driving seat in a pin joint mode.

Further, the device further comprises a waist rod, wherein at least one group of waist rods are arranged and fixed with the mounting plate, and a tail rudder assembly is further arranged at the tail end of the waist rod.

Further, the tail rudder assembly comprises a servo motor arranged at the tail end of the waist rod, and a rudder plate is fixedly arranged at the shaft end of the servo motor.

The flapping wing structure provided by the utility model has the beneficial effects that:

according to the utility model, by adopting the design structure of the two groups of swing rod assemblies, the two groups of swing rod assemblies can always keep symmetrical positions in the driving process of the driving assembly, so that the flying gravity center of the whole mounting plate is ensured, and compared with the design mode of a group of eccentric rod structures in the prior art, the utility model can realize better flying stability;

secondly, the tail vane assembly can adjust the flight direction during flight, the whole structural design is simple and clear, and the operability and the high degree of freedom of the device during flight can be improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of the area A of FIG. 1;

FIG. 3 is a schematic view of the rudder plate structure of the present utility model;

fig. 4 is an enlarged schematic view of the area B of fig. 3.

In the figure: 1. a mounting plate; 11. a transmission assembly; 12. a flapping wing assembly; 13. a driving groove; 14. a connecting rod; 15. a wing; 16. a chute; 2. a drive assembly; 21. a fixing frame; 22. a motor; 23. a bevel gear A; 24. a shaft lever; 25. a bevel gear B; 3. a swing rod assembly; 31. a fixed rod; 32. a driving rod; 4. a waist bar; 5. a tail vane assembly; 51. rudder plate.

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.

Referring to fig. 1-4, a flapping wing structure comprises a mounting plate 1, wherein a transmission assembly 11 and a flapping wing assembly 12 are arranged on the mounting plate 1, and the flapping wing assembly 12 is connected with the transmission assembly 11 to realize swinging;

the bottom of the mounting plate 1 is also provided with a driving component 2, the driving component 2 is provided with two groups of output ends, a swing rod component 3 is connected between the two groups of output ends and the transmission component 11 in a pin joint manner, and the swing rod component 3 is used for driving the transmission component 11 to generate displacement so as to drive the flapping wing component 12 to swing;

wherein, two groups of swing rod assemblies 3 are symmetrically arranged along the central line of the mounting plate 1 so as to ensure that the gravity centers of the two groups of swing rod assemblies are positioned on the central line of the mounting plate 1.

Specifically, in the utility model, by adopting the design structure of the two groups of swing rod assemblies 3, the two groups of swing rod assemblies 3 can always keep symmetrical positions in the driving process of the driving assembly 2, so that the flying center of gravity of the whole mounting plate 1 is ensured, and compared with the design mode of a group of eccentric rod structures in the prior art, the utility model can realize better flying stability.

Further, the transmission assembly 11 includes a driving seat, and a driving groove 13 is formed on the end surface of the mounting plate 1 along the height direction thereof, and the driving seat is slidably connected in the driving groove.

Still further, the flapping wing assembly 12 of the present utility model comprises a sliding seat slidably connected to the mounting plate 1, wherein a connecting rod 14 is pinned to the sliding seat, one end of the connecting rod 14 is pinned to the driving seat, and a wing 15 is mounted on the other end of the connecting rod, specifically, the driving seat is driven to move up and down by the swing rod assembly 3, at this time, the driving seat drives one end of the connecting rod 14 to move up and down, and the sliding seat moves due to the fact that the middle of the connecting rod 14 is pinned to the sliding seat, and forms a swinging effect in cooperation with the end of the connecting rod 14 moving up and down, so as to simulate the flying gesture of birds.

In more detail, in the present utility model, the mounting plate 1 is further provided with a sliding groove 16 along the width direction thereof, the sliding groove 16 is communicated with the driving groove 13, wherein two sets of sliding seats are respectively connected to two sides of the sliding groove 16 in a sliding manner.

In other words, the driving assembly 2 includes a fixing frame 21 mounted at the bottom of the mounting plate 1, a bevel gear a23 is connected to the inner side of the fixing frame 21 through a motor 22, two shaft rods 24 are inserted at two sides of the fixing frame 21, and two sets of shaft rods 24 are sleeved on the inner side of the fixing frame 21;

wherein, the shaft lever 24 is fixedly provided with a bevel gear B25, and two groups of bevel gears B25 are meshed with two sides of the bevel gear A23.

Specifically, the motor 22 drives the bevel gear a23 to rotate, and the two sets of shaft rods 24 are sleeved with each other, so that when the bevel gear a23 rotates, the two sets of shaft rods 24 are driven by the two sets of bevel gears B25 to realize synchronous reverse rotation, so that the two sets of swing rod assemblies 3 are reversely rotated, and the state of symmetry is maintained all the time.

On the basis of the above embodiment, the swing link assembly 3 of the present utility model includes a fixed rod 31 connected to the shaft 24, and a driving rod 32 is pinned to the fixed rod 31, and a free end of the driving rod 32 is pinned to the driving seat.

In order to realize the control of the flying direction, the utility model further comprises a waist bar 4, wherein the waist bar 4 is at least provided with one group and is fixed with the mounting plate 1, and the tail end of the waist bar 4 is also provided with a tail vane assembly 5.

Specifically, the tail rudder assembly 5 comprises a servo motor arranged at the tail end of the waist rod 4, the rudder plate 51 is fixedly arranged at the shaft end of the servo motor, more precise steering control can be realized through the arranged servo motor, and the rudder plate 51 is driven to swing through the rotation of the servo motor during steering.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. Flapping wing structure, comprising a mounting plate (1), characterized in that: a transmission assembly (11) and a flapping wing assembly (12) are arranged on the mounting plate (1), wherein the flapping wing assembly (12) is connected with the transmission assembly (11) so as to realize swinging;

the bottom of the mounting plate (1) is also provided with a driving component (2), the driving component (2) is provided with two groups of output ends, a swing rod component (3) is connected between the two groups of output ends and the transmission component (11) in a pin joint mode, and the swing rod component (3) is used for driving the transmission component (11) to generate displacement so as to drive the flapping wing component (12) to swing;

the two groups of swing rod assemblies (3) are symmetrically arranged along the central line of the mounting plate (1) so as to ensure that the gravity centers of the two groups of swing rod assemblies are positioned on the central line of the mounting plate (1).

2. A flapping wing structure according to claim 1, wherein: the transmission assembly (11) comprises a driving seat, a driving groove (13) is formed in the end face of the mounting plate (1) along the height direction of the mounting plate, and the driving seat is slidably connected in the driving groove.

3. A flapping wing structure according to claim 2, wherein: the flapping wing assembly (12) comprises a sliding seat which is connected to the mounting plate (1) in a sliding manner, wherein a connecting rod (14) is connected to the sliding seat in a pin joint manner, one end of the connecting rod (14) is connected with the driving seat in a pin joint manner, and a wing (15) is arranged on the other end of the connecting rod.

4. A flapping wing structure according to claim 3, wherein: the mounting plate (1) is further provided with a sliding groove (16) along the width direction, the sliding groove (16) is communicated with the driving groove (13), and two groups of sliding seats are respectively connected to two sides of the sliding groove (16) in a sliding mode.

5. A flapping wing structure according to claim 2, wherein: the driving assembly (2) comprises a fixing frame (21) arranged at the bottom of the mounting plate (1), a bevel gear A (23) is connected to the inner side of the fixing frame (21) through a motor (22) in a driving mode, shaft rods (24) are inserted into two sides of the fixing frame (21), and two groups of shaft rods (24) are arranged on the inner side of the fixing frame (21) in a sleeved mode;

wherein, the shaft lever (24) is fixedly provided with a bevel gear B (25), and two groups of bevel gears B (25) are meshed with two sides of the bevel gear A (23).

6. A flapping wing structure according to claim 5, wherein: the swing rod assembly (3) comprises a fixed rod (31) connected with the shaft rod (24), a driving rod (32) is connected to the fixed rod (31) in a pin joint mode, and the free end of the driving rod (32) is connected with the driving seat in a pin joint mode.

7. A flapping wing structure according to claim 1, wherein: still include waist pole (4), waist pole (4) be provided with a set of and with mounting panel (1) are fixed mutually at least, wherein, still be provided with tail rudder subassembly (5) on the tail end of waist pole (4).

8. A flapping wing structure according to claim 7, wherein: the tail rudder assembly (5) comprises a servo motor arranged at the tail end of the waist rod (4), and a rudder plate (51) is fixedly arranged at the shaft end of the servo motor.