CN114802726A - Large-scale amphibious logistics unmanned aerial vehicle capable of taking off and landing vertically - Google Patents

Abstract

The large amphibious logistics unmanned aerial vehicle capable of vertically taking off and landing is characterized in that a duct motor embedded in a wing is in an integrated structure with the wing, the wing is connected with a lifting force fuselage, a turbojet engine is mounted at the tail part of the lifting force fuselage, a truss framework assembly is arranged in the lifting force fuselage, and a flight control system is mounted in the lifting force fuselage in the direction of a nose; the power battery pack is arranged in the middle of the lift fuselage, the double-body cargo hold is arranged at the bottom of the lift fuselage and is integrally connected with the wings and the lift fuselage, an isolation cabin is additionally arranged on the periphery of the cargo hold of the double-body cargo hold, the double-body cargo hold is of an internal thin-wall hollow structure, and an empty bin is arranged at the bottom end of the cargo hold and serves as an auxiliary oil tank; the invention has the vertical take-off and landing capability and the cruising mode of the fixed wing aircraft, so that the flying speed and the voyage can be ensured; the forced landing water surface becomes a twin-hull unmanned ship for water surface navigation after the sudden change of weather conditions, and the unmanned ship can stably navigate under certain sea conditions, so that the overall safety of the unmanned aerial vehicle and goods is guaranteed.

Description

Large-scale amphibious logistics unmanned aerial vehicle capable of taking off and landing vertically

Technical Field

The invention relates to the technical field of aerial unmanned aerial vehicles, in particular to a large amphibious logistics unmanned aerial vehicle capable of taking off and landing vertically.

Background

China has a wide sea area, a long coastline and a plurality of islands near the sea. The living conditions of residents on the sea island are hard, and materials required by daily life are mainly transported by a transport ship. Once the transport ship stops navigating in heavy stormy weather or heavy fog weather, the living goods and materials of residents are in shortage or even interrupted. Meanwhile, some material resources or fresh marine products on the island need to be delivered to the land as soon as possible to ensure the freshness and realize the maximum value. If through traditional boats and ships transportation, its cost is higher and the transportation is untimely, will seriously influence the timeliness of commodity transportation.

In addition, as the countries have been vigorously developing the exploration and exploitation of marine resources in recent years, more and more offshore platforms are built in offshore areas, and the working material equipment, personnel life supply and the like required by the offshore platforms all face the same problems as those of residents on islands. Although the apron of the helicopter is arranged on the offshore platform, if the manned helicopter is adopted for transferring, the offshore platform can also face the situation that the transportation cost is high and the influence of heavy fog weather is large.

Disclosure of Invention

The invention aims to provide a large amphibious logistics unmanned aerial vehicle capable of taking off and landing vertically, so as to solve the problems in the background technology.

The technical problem solved by the invention is realized by adopting the following technical scheme:

a large amphibious logistics unmanned aerial vehicle capable of vertically taking off and landing comprises a ducted motor, a front wing, a rear wing, a lifting fuselage, a turbojet engine, a double-body cargo hold and a main oil tank, wherein a photoelectric pod is mounted at the front end of the lifting fuselage and used for observation of background operators during a mission period, the photoelectric pod has the capability of working in water, the front wing and the rear wing are symmetrically arranged on two sides of the lifting fuselage, the ducted motors with the same structure are respectively embedded on the front wing and the rear wing, the lifting fuselage is internally provided with a truss structure, a power battery pack for supplying power to the unmanned aerial vehicle is arranged in the middle area in the lifting fuselage, the middle front part and the rear part of the lifting fuselage are communicated with the interior of the lifting fuselage to serve as the main oil tank, a flight control system is arranged in the fuselage in the direction of the fuselage, and the turbojet engine is symmetrically arranged at the tail end of the lifting fuselage, the lift fuselage bottom is provided with binary year thing cargo hold, binary year thing cargo hold comprises left side year thing cargo hold and the right side year thing cargo hold that the structure is the same, left side year thing cargo hold is provided with cargo hold, bellytank and isolation cabin, through isolation cabin and bellytank, keeps apart the cargo hold, guarantees cargo safety.

In the invention, the front wing and the rear wing are of a front-rear four-wing structure with a slight downward negative angle, the front wing is used as a main wing and provides most of lift force, and the rear end of the front wing is provided with an aileron which provides rolling torque for cruising flight; the rear wing is supplemented by the front wing and provides partial lift force, and the rear end of the rear wing is provided with a tail wing which is used for providing pitching moment during cruising flight so as to balance the lift force.

In the invention, the ducted motors are embedded at the positions of the front wing and the rear wing, which are close to the lift fuselage, and are used for providing vertical take-off and landing power for the aircraft, and the ducted motors rotate in opposite directions in pairs so as to counteract the counter torque generated when rotating mutually.

In the invention, the ducted motor is a multi-blade high-power ducted motor, and a larger lifting force is obtained by using multi-blade increase, so that the pneumatic efficiency is improved, the working stability of the ducted motor is effectively enhanced, and the requirement of vertical take-off and landing of the whole motor is met.

In the invention, the tail end of the lift body is provided with a turbojet engine tailstock used for installing symmetrically arranged turbojet engines, the turbojet engines provide forward power when the unmanned aerial vehicle flies in the air and navigates on the water surface, and generate yawing moment by changing thrust values when the unmanned aerial vehicle navigates in the water, so that the purpose of changing course is achieved, fuel oil required by the turbojet engines is stored in a main oil tank and an auxiliary oil tank, and meanwhile, the turbojet engine tailstock is designed into a structure with an angle adjusting function.

In the invention, the double-body cargo hold is integrally connected with the front wing, the rear wing and the lift body, and the left-side cargo hold and the right-side cargo hold are of U-shaped totally-enclosed waterproof double-body structures so as to increase the water surface navigation stability.

In the invention, the left cargo hold also comprises a cargo hold outer wall, a cargo hold bottom plate reinforcing component and an auxiliary oil tank truss component, the isolation cabin is positioned between the cargo hold and the cargo hold outer wall, a thin-wall structure is adopted to increase the surface strength, meanwhile, partial buoyancy is increased during navigation, and the isolation cabin has the effect of no sinking of the double cabins when collision or cargo hold outer wall damage and the like occur during navigation; the cargo hold bottom is provided with the cargo hold bottom plate, the cargo hold bottom plate adopts aeronautical materials such as wear-resisting aluminum alloy to make to use carbon bore-drill dimension board gaining in strength under the layer, be provided with the cargo hold bottom plate on the cargo hold bottom plate and strengthen the subassembly, strengthen the subassembly through the cargo hold bottom plate and guarantee to take place to rock the completeness of cargo hold structure in the sky with the aquatic, cargo hold bottom plate below is provided with the bellytank to carry out the structural support to the bellytank through bellytank truss subassembly.

According to the invention, one side of the middle part of the left cargo carrying cargo compartment is provided with the watertight cargo compartment door, the watertight cargo compartment door is arranged by opening doors on two sides, the compartment door is opened upwards, and the small movable article box is independently arranged in the cargo compartment, so that the application scenes of different types of cargos are met.

In the invention, the amphibious logistics unmanned aerial vehicle has three motion modes:

1. after the cargo is assembled and fixed on the land base, the unmanned aerial vehicle takes off by utilizing the vertical downward airflow of the four ducted motors, and after the unmanned aerial vehicle reaches the cruising height, the unmanned aerial vehicle is powered by a turbojet engine at the tail end of the lifting machine body and changes into horizontal cruising flight;

2. the flight control system finds the designated position according to the longitude and latitude coordinates of the target point and then advances to the target at the cruising speed; when the aircraft reaches the upper part of the area, the aircraft decelerates and enters a rotor flight mode, and the aircraft precisely lands in a designated shutdown area after being positioned by vision;

3. when the sea condition is high and emergency forced landing is needed, the four ducted motors are connected to vertically land on the water surface; when the water enters, the ducted motor stops rotating, the turbojet engines provide navigation power, and the course is controlled through the thrust difference of the two turbojet engines;

when the unmanned aerial vehicle enters a target, the ducted motor and the turbojet engine work simultaneously to provide an upward lifting force in navigation, so that the unmanned aerial vehicle takes off obliquely to a designated landing point;

in the 3 rd mode operation process, the double-body cargo carrying cargo hold is utilized, so that the unmanned aerial vehicle is changed into a double-body unmanned ship after being in forced landing water, the double-body structure can increase the wind and wave resistance, and the damage of wind and wave to a ship body and cargo is reduced;

when the task is finished, if the sea surface needs to be forced to descend in sudden severe weather, the buoyancy of the aircraft is larger due to the no-load, the center of stability is far higher than the water surface, and the aircraft is not beneficial to navigation; meanwhile, the cargo compartment is isolated through the isolation cabin and the auxiliary oil tank, and the safety of the cargo is guaranteed.

Has the advantages that: the invention can execute logistics transportation tasks in offshore sea areas, has the characteristics of less influence by weather, lower cost, quickness, convenience and the like, has the capability of vertical take-off and landing, can solve the problem of island or offshore platform sites, and is less influenced by terrains; the unmanned aerial vehicle has a cruise mode of the fixed-wing aircraft, so that the flight speed and the range can be guaranteed; the unmanned ship has the capability of forcibly landing on the water surface and sailing after sudden change of weather conditions, is changed into a water surface sailing double-body unmanned ship through configuration design, can sail stably under certain sea conditions, and accordingly guarantees the overall safety of the aircraft and goods.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.

Fig. 2 is a front view of the preferred embodiment of the present invention.

FIG. 3 is a schematic view of the structure of the lifting fuselage and the catamaran cargo holds in accordance with the preferred embodiment of the invention.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.

Referring to fig. 1-3, the large amphibious logistics unmanned aerial vehicle capable of vertically taking off and landing comprises a front wing left duct motor 1, a front wing right duct motor 2, a rear wing left duct motor 3, a rear wing right duct motor 4, a left front wing 5, a right front wing 6, a left rear wing 7, a right rear wing 8, a lifting fuselage 9, a right turbojet engine 10, a left turbojet engine 11, a turbojet engine tailstock 12, a double cargo hold 13, a fuselage drag reduction member 14, a left cargo hold door 15, a right watertight cargo hold door 16, a photovoltaic pod 17, an isolation cabin 18, a cargo hold outer wall 19, a right cargo hold 20, a left cargo hold 21, a cargo hold floor 22, a cargo hold floor reinforcement assembly 23, a secondary oil tank truss assembly 24, a secondary oil tank 25, fuselage truss reinforcement ribs 26, a triangular truss 27, a main oil tank 28, a right secondary wing 29, a right horizontal tail wing 30, a left secondary wing 31, and a left horizontal tail 32, wherein, the front-wing left culvert motor 1, the front-wing right culvert motor 2, the rear-wing left culvert motor 3 and the rear-wing right culvert motor 4 are all multi-blade high-power culvert motors, larger lift force is obtained by using multi-blade increase, the pneumatic efficiency is improved, the working stability of the culvert is effectively enhanced, the requirement of vertical lifting of the whole machine is met, the sizes of the models of the culvert motors are consistent, and the balance of the lift force in four directions in the vertical lifting stage is ensured; the front-wing left culvert motor 1 and the rear-wing right culvert motor 4 rotate clockwise, the front-wing right culvert motor 2 and the rear-wing left culvert motor 3 rotate anticlockwise, and the culvert motors have high-level waterproof performance and can still work normally after seawater is immersed; the left front wing 5 and the right front wing 6 jointly form a whole front wing, the configuration is a common micro-down-dihedral design of a transporter, main lift force is provided for the cruise flight stage, a right aileron 29 and a left aileron 31 provide rolling torque, the front wing left ducted motor 1 is embedded in the left front wing 5, and the front wing right ducted motor 2 is embedded in the right front wing 6; the left rear wing 7 and the right rear wing 8 jointly form a whole tail wing, partial lift force is provided for the cruise flight stage, a pitching moment is provided by the right horizontal tail wing 30 and the left horizontal tail wing 32, the rear wing left duct motor 3 is embedded in the left rear wing 7, and the rear wing right duct motor 4 is embedded in the right rear wing 8; the lift fuselage 9 is a main stressed structure connected with a cargo hold, and is required to ensure enough strength and elasticity in the air and water, so that obvious deformation and irreversible structural damage cannot occur, and partial lift force is generated during cruise flight in the air, a power battery pack is placed in the middle area of the lift fuselage 9 to supply power for four ducted motors and other electronic elements, the middle front part and the rear part of the lift fuselage 9 are communicated with the inside of wings to serve as main oil tanks 28, and triangular truss frames 27 and fuselage truss reinforcing ribs 26 arranged in the middle of the lift fuselage 9 are used for ensuring the internal strength of the lift fuselage 9; a flight control system is arranged in the lift fuselage 9 in the direction of the nose, the photoelectric pod 17 is arranged at the front end of the lift fuselage 9, for the observation of the back-end operators during the mission, the photoelectric pod 17 should have the ability to work in water, the tail end of the lifting fuselage 9 is provided with a turbojet engine tail seat 12, for mounting a right turbojet engine 10 and a left turbojet engine 11, said right turbojet engine 10 and said left turbojet engine 11 providing forward power during flight and surface navigation of the drone, and the yaw moment is generated by changing the thrust value when navigating in water, thereby achieving the purpose of changing the course, the fuel oil required by the right turbojet engine 10 and the left turbojet engine 11 is stored in a main fuel tank 28 and a secondary fuel tank 25, and the turbojet engine tail stock 12 can be designed to have an angle adjusting function;

the double-body cargo hold 13 is of a fully-closed waterproof structure and consists of a left-side cargo hold and a right-side cargo hold which are of the same structure, the left-side cargo hold and the right-side cargo hold are symmetrically arranged at the bottom of the lift fuselage 9 and serve as landing gears in a take-off and landing stage and serve as double hulls in an underwater navigation stage, the front ends of the left-side cargo hold and the right-side cargo hold are provided with an organism drag reduction member 14 for reducing air resistance in flight and wave-making resistance in navigation, one side of the middle part of the left-side cargo hold is provided with a left watertight cargo hold door 15, one side of the middle part of the right-side cargo hold is provided with a right watertight cargo hold door 16, the left-side cargo hold is controlled by a flight control system to be opened during cargo loading and unloading, and the right-side cargo hold can also be opened through a prefabricated emergency mechanical switch, and the left-side cargo hold comprises an isolation cabin 18, a cargo hold outer wall 19, a left cargo hold 21, a cargo hold bottom plate 22, a cargo hold bottom plate reinforcing assembly 23, The auxiliary oil tank is provided with a truss assembly 24 and an auxiliary oil tank 25, the isolation cabin 18 is positioned between the left cargo hold 21 and the cargo hold outer wall 19, the surface strength is increased by adopting a thin-wall structure, meanwhile, partial buoyancy is increased during navigation, the isolation cabin 18 has the effect of sinking of double compartments if collision or damage of the cargo hold outer wall 19 occurs during navigation, the cargo hold bottom plate 22 is made of aviation materials such as wear-resistant aluminum alloy, the strength is increased by using carbon brazing sheet on the lower layer, the integrity of the cargo hold structure is ensured by using a cargo hold bottom plate reinforcing assembly 23 when the cargo hold bottom plate is shaken in the air and in water, the auxiliary oil tank 25 is arranged below the cargo hold bottom plate 22, and the auxiliary oil tank 25 is structurally supported by the auxiliary oil tank truss assembly 24; the right side cargo hold corresponds to the right cargo hold 20, and other components are consistent with the left side cargo hold.

In the embodiment, the double-body cargo hold 13 is utilized to change the aircraft into a double-body unmanned ship after the aircraft is in forced landing water, and the double-body structure can increase the wind and wave resistance and reduce the damage of wind and wave to the ship body and cargo; when the task is finished, during no-load return voyage, if the sea surface needs to be forced to descend in sudden severe weather, the buoyancy of the aircraft is larger due to no-load, the center of stability is far higher than the water surface, and the aircraft is not beneficial to voyage, the isolation cabin 18 can be changed into a ballast tank, the weight increasing effect is achieved by ballast of seawater, the draught is promoted to be increased so as to be close to the water surface stably, and the stability is increased; meanwhile, the cargo compartment is isolated through the isolation cabin 18 and the auxiliary oil tank 25, and the safety of the cargo is guaranteed.

Claims (10)

1. The large amphibious logistics unmanned aerial vehicle capable of vertically taking off and landing comprises a culvert motor, a front wing, a rear wing, a lift fuselage, a turbojet engine, a double-body cargo hold and a main oil tank, and is characterized in that a photoelectric pod for observation during a mission is mounted at the front end of the lift fuselage, the front wing and the rear wing are symmetrically arranged on two sides of the lift fuselage, the culvert motors with the same structure are respectively embedded in the front wing and the rear wing, the inside of the lift fuselage is of a truss structure, a power battery pack for supplying power to the unmanned aerial vehicle is arranged in the middle area of the lift fuselage, the middle front part and the rear part of the lift fuselage are communicated with the inside of the wings to serve as the main oil tank, a flight control system is arranged in the direction of the nose of the lift fuselage, the turbojet engine is symmetrically arranged at the tail end of the lift fuselage, and the double-body cargo hold is arranged at the bottom of the lift fuselage, the double-body loading cargo hold consists of a left loading cargo hold and a right loading cargo hold which are identical in structure, the left loading cargo hold is provided with a cargo hold, an auxiliary oil tank and an isolation cabin, and the cargo hold is isolated by the isolation cabin and the auxiliary oil tank.

2. The vertically take-off and landing large-scale amphibious logistics unmanned aerial vehicle as claimed in claim 1, wherein the ducted motors are embedded in the front wing and the rear wing close to the lifting airframe, and the ducted motors rotate in opposite directions in pairs.

3. The vertically liftable large amphibious logistics unmanned aerial vehicle of claim 1, wherein the ducted motor is a multi-blade high power ducted motor.

4. The large amphibious logistics unmanned aerial vehicle capable of taking off and landing vertically as claimed in claim 1, wherein the tail end of the lifting machine body is provided with a turbojet engine tailstock, and the turbojet engines are symmetrically arranged on the turbojet engine tailstock.

5. The vertically take-off and landing large-scale amphibious logistics unmanned aerial vehicle as claimed in claim 1, wherein the catamaran cargo hold is integrally connected with the front wing, the rear wing and the lift body.

6. The large amphibious logistics unmanned aerial vehicle capable of taking off and landing vertically as claimed in claim 1, wherein the left side cargo hold and the right side cargo hold are of U-shaped totally-enclosed waterproof double-body structures.

7. The large amphibious logistics unmanned aerial vehicle capable of vertically taking off and landing according to claim 1, wherein the left side cargo hold further comprises a cargo hold outer wall, a cargo hold bottom plate reinforcing assembly and a secondary oil tank quilting assembly, the isolation cabin is located between the cargo hold and the cargo hold outer wall, the cargo hold bottom plate is arranged at the bottom of the cargo hold, the cargo hold bottom plate reinforcing assembly is arranged on the cargo hold bottom plate, and the secondary oil tank quilting assembly for structurally supporting the secondary oil tank is arranged below the cargo hold bottom plate.

8. The vertically take-off and landing large-scale amphibious logistics unmanned aerial vehicle as claimed in claim 1, wherein a watertight cargo door is installed on one side of the middle of the left side cargo hold.

9. The large amphibious logistics unmanned aerial vehicle capable of taking off and landing vertically as claimed in claim 1, wherein an aileron for providing a rolling moment for cruising flight is installed at the rear end of the front wing; and the rear end of the rear wing is provided with a tail wing for providing pitching moment during cruising flight.

10. The large amphibious logistics unmanned aerial vehicle capable of taking off and landing vertically as claimed in any one of claims 1-9, wherein the amphibious logistics unmanned aerial vehicle is provided with three motion modes:

1. after the cargo is assembled and fixed on the land base, the unmanned aerial vehicle takes off by utilizing the vertical downward airflow of the four ducted motors, and after the unmanned aerial vehicle reaches the cruising height, the unmanned aerial vehicle is powered by a turbojet engine at the tail end of the lifting machine body and changes into horizontal cruising flight;

2. the flight control system finds the designated position according to the longitude and latitude coordinates of the target point and then advances to the target at the cruising speed; when the aircraft reaches the upper part of the area, the aircraft decelerates and enters a rotor flight mode, and the aircraft precisely lands in a designated shutdown area after being positioned by vision;

3. when the sea condition is high and emergency forced landing is needed, the four ducted motors are connected to vertically land on the water surface; when the water enters, the ducted motor stops rotating, the turbojet engines provide navigation power, and the course is controlled through the thrust difference of the two turbojet engines;

when the unmanned aerial vehicle is about to enter a target, the ducted motor and the turbojet engine work simultaneously to provide upward lift force during navigation, so that the unmanned aerial vehicle takes off obliquely to a designated landing point.

Images