CN116552779A

CN116552779A - Tilt rotor unmanned aerial vehicle on water

Info

Publication number: CN116552779A
Application number: CN202310440861.0A
Authority: CN
Inventors: 孙齐圣; 任皓然
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-23
Filing date: 2023-04-23
Publication date: 2023-08-08

Abstract

The invention relates to a tiltrotor unmanned aerial vehicle on water, which comprises a fuselage, a first fixed wing, a second fixed wing and a plurality of rotors; the utility model discloses a wind turbine is characterized in that the front end of fuselage is fixed to first fixed wing, and the rear end of fuselage is fixed to the second fixed wing, the both ends of first fixed wing and second fixed wing all are equipped with the duct, be equipped with driving motor in the duct, driving motor fixes in the pivot of inclining, the pivot of inclining is rotatable to be fixed in one side of duct to connect the upset motor, driving motor is connected in the rotor drive, the outside of duct is equipped with the flotation pontoon. Compared with the prior art, the invention has the advantages of stable operation, long endurance time and the like.

Description

Tilt rotor unmanned aerial vehicle on water

Technical Field

The invention relates to the technical field of unmanned aerial vehicle devices, in particular to a tilt rotor unmanned aerial vehicle on water.

Background

In recent years, problems caused by water resources are more and more serious, and pollution investigation and rescue of flood disasters on the water resources are generally performed by using ships and land-based unmanned aerial vehicles, but due to slow navigation speed of the ships, the working efficiency is lower, and the situation that destinations cannot be reached in time exists. The traditional land-based unmanned aerial vehicle can only take off and land, when flood disasters occur, all land runways are submerged, take-off operation cannot be performed, and in the take-off operation process, the unmanned aerial vehicle can only take some videos and pictures due to the fact that the unmanned aerial vehicle can only hover in the air, so that the unmanned aerial vehicle can not fully play the role. The unmanned aerial vehicle can take off and land on the water surface, and the advantages of the unmanned aerial vehicle on the water for resident operation are reflected.

There are two types of existing unmanned aerial vehicles on water, namely a multi-rotor vertical take-off unmanned aerial vehicle, and the unmanned aerial vehicle of the type can be realized by carrying foam or pontoon on a common multi-rotor unmanned aerial vehicle, for example, chinese patent CN216468442U discloses a pontoon foot rest of a four-rotor unmanned aerial vehicle, which comprises a connecting rod and a floating device, wherein one end of the connecting rod is connected with the unmanned aerial vehicle through a fixing mechanism, and the other end of the connecting rod is provided with a first installation part; the upper surface of the floating device is provided with a second installation part, and the second installation part is matched with the first installation part. Through installing flotation device below unmanned aerial vehicle, produce buoyancy at four rotor unmanned aerial vehicle's outer edge, this kind of buoyancy can stably lift unmanned aerial vehicle, makes it float on the surface of water steadily, and unmanned aerial vehicle's completion water operation of being convenient for reduces unmanned aerial vehicle's material property and the loss of mission data when unexpected dangerous case takes place in the operation of waters sky above the water. However, the multi-rotor unmanned aerial vehicle has the problems of small bearing capacity and short endurance, so that the multi-rotor unmanned aerial vehicle cannot fly for a long time to execute tasks, and has a small application range.

The second type is a fixed-wing water unmanned aerial vehicle, and the unmanned aerial vehicle can realize long-time flight due to the adoption of a traditional fixed-wing mode, but has certain limitations in the use process because the fixed-wing water unmanned aerial vehicle can only run and take off in a water area with a certain length and can not hover in the air.

Disclosure of Invention

The invention aims to overcome the defects that the multi-rotor unmanned aerial vehicle has small bearing duration and short duration in the prior art, so that a long-time flight execution task cannot be performed, and the fixed-wing unmanned aerial vehicle cannot stably suspend in the air, and provides the tilt-rotor unmanned aerial vehicle with long duration and stable suspension.

The aim of the invention can be achieved by the following technical scheme:

a tiltrotor unmanned aerial vehicle on water comprises a body, a first fixed wing, a second fixed wing and a plurality of rotors;

the utility model discloses a wind turbine is characterized in that the front end of fuselage is fixed to first fixed wing, and the rear end of fuselage is fixed to the second fixed wing, the both ends of first fixed wing and second fixed wing all are equipped with the duct, be equipped with driving motor in the duct, driving motor fixes in the pivot of inclining, the pivot of inclining is rotatable to be fixed in one side of duct to connect the upset motor, driving motor is connected in the rotor drive, the outside of duct is equipped with the flotation pontoon.

Preferably, the fuselage comprises a cross beam, a bulkhead and an outer shell; the shell is fixed on the outer side of the cross beam, the bulkhead is of a closed annular structure, the bulkhead is fixed on the inner side of the shell, and the bulkhead is fixed along the circumferential direction of the shell.

Preferably, the number of the formers is a plurality, and each former is uniformly distributed on the inner side of the housing.

Preferably, the fuselage further comprises stringers fixed to the inside of the skin, the stringers being distributed along the axial direction of the skin.

Preferably, first through holes matched with the shapes of the first fixing wings are formed in two sides of the shell, and the first fixing wings penetrate through the first through holes to be connected with the cross beam; the two sides of the shell are also provided with second through holes matched with the shapes of the second fixed wings, and the second fixed wings penetrate through the second through holes to be connected with the cross beam.

Preferably, the fuselage is of a hull construction.

Preferably, the number of the pontoons is a plurality, and the lower end surfaces of the pontoons are positioned in the same plane.

Preferably, the lower end surface of the pontoon is lower than the lower end surface of the main body.

Preferably, the rear end of the fuselage is provided with a tail wing, and the tail wing is positioned above the fuselage.

Preferably, the driving motor is a brushless motor.

Compared with the prior art, the invention has the following advantages:

1. according to the scheme, when the unmanned aerial vehicle floats in water through the fuselage, the buoys on the two sides of the fuselage assist in balancing the fuselage, so that the posture of the unmanned aerial vehicle on the water surface is more stable, and the capability of the unmanned aerial vehicle on resisting wind waves on the water surface is improved; the driving motor drives the rotor with the wing end face upwards to rotate, and after the unmanned aerial vehicle is lifted off, the tilting shaft is driven to rotate through the overturning motor, and then the steering of the rotor arranged at the upper end part of the tilting shaft is regulated, so that the rotor provides forward power for the fuselage, and in the regulating process, the height of the unmanned aerial vehicle is unchanged and flies forward under the action of the first fixed wing and the second fixed wing.

Through set up a plurality of rotors on the fixed wing to through the orientation of tilting shaft adjustment rotor, realize unmanned aerial vehicle's vertical lift, steady suspension and at the speed control of air navigation, simultaneously, the mechanism of two fixed wings provides sufficient lift for unmanned aerial vehicle's flight, is unmanned aerial vehicle has good low-speed performance, can save the energy consumption of rotor simultaneously, improves unmanned aerial vehicle's duration.

2. The fuselage is hull structure in this scheme, makes unmanned aerial vehicle's the still very steady removal of surface of water again, combines the flotation pontoon of both sides, and unmanned aerial vehicle's overall structure has stronger anti-wind-wave ability at the surface of water, guarantees that unmanned aerial vehicle can go on steadily smoothly when carrying out surface of water operations such as quality of water collection.

3. This scheme carries out circumference at the annular bulkhead of internally mounted of fuselage, transversely supports the shell of fuselage to combine inside fixed stringer, carry out the axial to the shell and vertically support promptly, guarantee that the fuselage possesses sufficient intensity, improved unmanned aerial vehicle operational security and stationarity.

4. The lower terminal surface setting of a plurality of buoys is in the coplanar to this scheme to let the plane that the terminal surface was located be less than the lower terminal surface of fuselage under the buoy, make unmanned aerial vehicle at the perpendicular stage of rising, the airfoil of each rotor up, guarantee unmanned aerial vehicle can safe and stable rise.

Drawings

Fig. 1 is a front view of a unmanned aerial vehicle provided by the invention;

fig. 2 is a top view of the unmanned aerial vehicle provided by the invention;

fig. 3 is a left side view of the unmanned aerial vehicle provided by the invention;

fig. 4 is a partial enlarged view of the unmanned aerial vehicle provided by the invention;

in the figure: 1. fuselage, 2, first fixed wing, 3, second fixed wing, 4, rotor, 5, duct, 6, driving motor, 7, tilting shaft, 8, flotation pontoon, 9, crossbeam, 10, former, 11, shell, 12, fin.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.

It should be noted that the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

Example 1

The embodiment provides a tiltrotor unmanned aerial vehicle on water, which comprises a body 1, a first fixed wing 2, a second fixed wing 3 and a plurality of rotary wings 4, as shown in figures 1-4;

the first fixed wing 2 is fixed at the front end of the fuselage 1, the second fixed wing 3 is fixed at the rear end of the fuselage 1, both ends of the first fixed wing 2 and the second fixed wing 3 are respectively provided with a duct 5, a driving motor 6 is arranged in each duct 5, the driving motor 6 is fixed on a tilting shaft 7, the tilting shaft 7 is rotatably fixed on one side of each duct 5 and is connected with the tilting motor, the rotor 4 is in driving connection with the driving motor 6, and a pontoon 8 is arranged outside each duct 5.

Working principle: when the fuselage 1 floats in water, the pontoon 8 of fuselage 1 both sides assist and assist fuselage 1 to keep balanced, and driving motor 6 drives rotor 4 that the wing end face upwards rotates, and unmanned aerial vehicle rises the back, drives the tilting shaft 7 through the tilting motor and rotates, and then adjusts the rotation of rotor 4 that sets up in tilting shaft 7 upper end, makes rotor 4 provide forward power for the fuselage, and in the adjustment process, unmanned aerial vehicle's height is unchangeable and under the effect of first fixed wing 2 and second fixed wing 3, flies forward.

According to the scheme, when the unmanned aerial vehicle floats in water through the fuselage 1, the buoys 8 on the two sides of the fuselage 1 assist the fuselage 1 to keep balance, so that the attitude of the unmanned aerial vehicle on the water surface is more stable, and the capability of the unmanned aerial vehicle on resisting wind waves on the water surface is improved; the driving motor 6 drives the rotor 4 with the wing end face upwards to rotate, and after the unmanned aerial vehicle is lifted off, the tilting shaft 7 is driven to rotate through the overturning motor, and then the steering of the rotor 4 arranged at the upper end part of the tilting shaft 7 is regulated, so that the rotor 4 provides forward power for the fuselage, and in the regulating process, the height of the unmanned aerial vehicle is unchanged and the unmanned aerial vehicle flies forward under the action of the first fixed wing 2 and the second fixed wing 3. Through set up 4 rotor 4 on the fixed wing to adjust the orientation of rotor 4 through tilting shaft 7, realize unmanned aerial vehicle's vertical lift, steady suspension and at the speed control of air navigation, simultaneously, the mechanism of two fixed wings provides sufficient lift for unmanned aerial vehicle's flight, is unmanned aerial vehicle has good low-speed performance, can save rotor 4's energy consumption simultaneously, improves unmanned aerial vehicle's duration.

As a preferred embodiment, as shown in fig. 4, the fuselage 1 comprises a cross beam 9, a former 10 and an outer shell 11; the shell 11 is fixed on the outer side of the cross beam 9, the bulkhead 10 is of a closed annular structure, the bulkhead 10 is fixed on the inner side of the shell 11, and the bulkhead 10 is fixed along the circumferential direction of the shell 11. The number of formers 10 is plural, each former 10 being evenly distributed on the inside of the housing 11.

Preferably, the fuselage 1 also comprises stringers fixed to the inside of the shell 11, distributed along the axial direction of the shell 11.

Through the annular bulkhead 10 of internally mounted at fuselage 1, carry out circumference promptly transversely to the shell 11 of fuselage 1 to combine inside fixed stringer, carry out axial promptly vertical support to shell 11, guarantee that fuselage 1 possesses sufficient intensity, improved unmanned aerial vehicle's security and stationarity of operation.

Specifically, the two sides of the shell 11 are provided with first through holes matched with the shape of the first fixed wings 2, and the first fixed wings 2 penetrate through the first through holes to be connected with the cross beam 9; the two sides of the shell 11 are also provided with second through holes matched with the shapes of the second fixed wings 3, and the second fixed wings 3 penetrate through the second through holes to be connected with the cross beam 9.

As a preferred embodiment, the fuselage 1 is of a hull structure. The number of the pontoons 8 is 2, and the lower end surfaces of the pontoons 8 are positioned in the same plane. The lower end surface of the pontoon 8 is lower than the lower end surface of the main body 1.

Through establishing fuselage 1 into hull formula structure, make unmanned aerial vehicle again the surface of water still can very steady remove, combine pontoon 8 of both sides, unmanned aerial vehicle's overall structure has stronger anti-wind-wave ability at the surface of water, guarantees that unmanned aerial vehicle can go on steadily smoothly when carrying out the surface of water operations such as quality of water collection.

Furthermore, the lower end surfaces of the 2 pontoons 8 are arranged in the same plane, and the plane where the lower end surfaces of the pontoons 8 are positioned is lower than the lower end surface of the machine body 1, so that the unmanned aerial vehicle can rise vertically, the wing surfaces of the rotor wings 4 face upwards, and the unmanned aerial vehicle can be ensured to rise safely and stably.

The rear end of the fuselage 1 is provided with a tail wing 12, and the tail wing 12 is positioned above the fuselage 1. Further improving the stability of the unmanned aerial vehicle when flying in the air.

Specifically, the driving motor 6 is a brushless motor.

The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.

Claims

1. A tiltrotor unmanned aerial vehicle on water, which is characterized by comprising a fuselage (1), a first fixed wing (2), a second fixed wing (3) and a plurality of rotary wings (4);

the utility model discloses a wind turbine is characterized in that a first fixed wing (2) is fixed at the front end of fuselage (1), a second fixed wing (3) is fixed at the rear end of fuselage (1), both ends of first fixed wing (2) and second fixed wing (3) all are equipped with duct (5), be equipped with driving motor (6) in duct (5), driving motor (6) are fixed on tilting shaft (7), tilting shaft (7) rotatable fixed in one side of duct (5) to connect tilting motor, rotor (4) drive connection driving motor (6), the outside of duct (5) is equipped with flotation pontoon (8).

2. A tiltrotor unmanned water vehicle according to claim 1, wherein the fuselage (1) comprises a cross beam (9), a former (10) and a housing (11); the shell (11) is fixed on the outer side of the cross beam (9), the bulkhead (10) is of a closed annular structure, the bulkhead (10) is fixed on the inner side of the shell (11), and the bulkhead (10) is fixed along the circumferential direction of the shell (11).

3. A tiltrotor unmanned aerial vehicle according to claim 2, wherein the number of formers (10) is a plurality, each former (10) being evenly distributed on the inside of the housing (11).

4. A tiltrotor unmanned aerial vehicle according to claim 2, wherein the fuselage (1) further comprises stringers fixed to the inside of the skin (11), the stringers being distributed along the axial direction of the skin (11).

5. The tiltrotor unmanned aerial vehicle on water according to claim 2, wherein the two sides of the housing (11) are provided with first through holes matching the shape of the first fixed wing (2), and the first fixed wing (2) passes through the first through holes to connect with the cross beam (9); the two sides of the shell (11) are also provided with second through holes matched with the shapes of the second fixing wings (3), and the second fixing wings (3) penetrate through the second through holes to be connected with the cross beam (9).

6. A tiltrotor unmanned water vehicle according to claim 1, wherein the fuselage (1) is of a hull construction.

7. A tiltrotor unmanned aerial vehicle according to claim 1, wherein the number of pontoons (8) is plural, the lower end surfaces of the pontoons (8) being in the same plane.

8. A tiltrotor unmanned aerial vehicle according to claim 7, wherein the lower end surface of the pontoon (8) is lower than the lower end surface of the fuselage (1).

9. The tiltrotor unmanned aerial vehicle on water according to claim 1, wherein the rear end of the fuselage (1) is provided with a tail wing (12), and the tail wing (12) is located above the fuselage (1).

10. A tiltrotor unmanned water vehicle according to claim 1, wherein the drive motor (6) is a brushless motor.