CN217294894U

CN217294894U - Water surface floating multi-rotor unmanned aerial vehicle

Info

Publication number: CN217294894U
Application number: CN202221000685.6U
Authority: CN
Inventors: 方明; 王亮; 王阳; 张文博
Original assignee: Kunshan Kunpeng Uav Technology Co ltd
Current assignee: Kunshan Kunpeng Uav Technology Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-08-26
Anticipated expiration: 2032-04-24

Abstract

A multi-rotor unmanned aerial vehicle floating on water comprises a rack main body, wherein a plurality of rotors are arranged on the rack main body, the rotors are connected with the rack main body through a folding connecting device, and the folding connecting device can drive the rotors to fold or extend; the free end of the rotor wing is provided with a buoy, and two opposite rotor wings on the same horizontal line are respectively provided with an underwater propulsion device. According to the water-surface floating multi-rotor unmanned aerial vehicle, the rotors can be transversely folded, so that the occupied space when the rotors are stored is reduced.

Description

Water surface floating multi-rotor unmanned aerial vehicle

Technical Field

The invention relates to the field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle which can be lowered on the water surface and has foldable wings.

Background

An unmanned aircraft, referred to as "drone", is an unmanned aircraft that is operated by a radio remote control device and a self-contained program control device, or is operated autonomously, either completely or intermittently, by an onboard computer. Most unmanned aerial vehicles are afraid of water at present, in case fall into the aquatic and just probably damage electron device, the surface of water surface floats many rotor unmanned aerial vehicle and has solved security and mobility under the operation environment is carried out in surface of water or surface of water airspace.

But it is big than ordinary unmanned aerial vehicle to float formula unmanned aerial vehicle volume, and occupation space is big when accomodating.

Disclosure of Invention

The invention aims to provide a foldable and storable water surface floating multi-rotor unmanned aerial vehicle, which reduces the volume of the unmanned aerial vehicle after being folded and is convenient to store; meanwhile, the multi-rotor unmanned aerial vehicle floating on the water surface can float on the water surface after landing.

In order to solve the technical purpose, the technical scheme provided by the invention is that the water surface floating multi-rotor unmanned aerial vehicle comprises a frame main body, wherein a plurality of rotors are arranged on the frame main body, the rotors are connected with the frame main body through a folding connecting device, and the folding connecting device can drive the rotors to fold or extend; the free end of the rotor wing is provided with a buoy, and an aerodynamic device is arranged on the free end of the rotor wing; two opposite rotors on the same horizontal line are respectively provided with an underwater propulsion device.

Preferably, the folding connection device comprises a main body bracket connected with the frame main body, a tube seat and a connecting rod mechanism; the rotor wing is arranged on the tube seat; one side of one end of the main body bracket, which is far away from the main body of the rack, is rotationally connected with one side of one end of the tube seat, and the other side of the main body bracket is rotationally connected with the other side of the tube seat, which is connected with the tube seat, through a connecting rod mechanism; a locking arm is arranged on the connecting rod mechanism in a displaceable manner, and a locking buckle is arranged at one end of the main body bracket, which is connected with the rack; when the rotor wing is unfolded, the locking arm is arranged in the locking buckle, and the connecting rod mechanism is folded and positioned in the main body bracket; when the rotor is folded, the locking arm breaks away from the locking buckle, and the link mechanism opens and is located outside the main body support.

Preferably, the main body support comprises two side arms which are arranged in parallel at intervals, the two side walls are arranged horizontally, the tube seat is positioned between one ends of the two side walls, and the locking buckle is positioned between the other ends of the two side walls.

Preferably, the connecting rod mechanism comprises a linkage arm rotationally connected with the main body bracket and a connecting arm rotationally connected with the linkage arm, and one end of the connecting arm is rotationally connected with the tube seat; the locking arm is displaceably arranged on the connecting arm.

Preferably, a limiting lug is arranged on the connecting arm, a limiting hole is formed in the locking arm, the limiting lug is located in the limiting hole, a displacement gap is reserved between the limiting lug and the limiting hole, and the locking arm is connected with the connecting arm through a spring.

Preferably, one end of the locking arm is a hook-shaped structure, and the hook-shaped structure is located on the outer side of the end face of one end of the connecting arm.

Preferably, a pontoon is provided at the free end of the rotor.

Preferably, underwater propulsion means are provided on the opposite rotors.

According to the water-surface floating multi-rotor unmanned aerial vehicle, the rotor wings are transversely folded through the folding connection device, so that the size of the unmanned aerial vehicle is reduced by times, the unmanned aerial vehicle is convenient to store, and the storage space is reduced. The surface of water floats many rotor unmanned aerial vehicle, sets up the flotation pontoon on the rotor, makes unmanned aerial vehicle floatable on the surface of water, and advancing device under water can make unmanned aerial vehicle travel in aqueous to realize that unmanned aerial vehicle is aerial and aquatic dual-purpose.

Drawings

Fig. 1 is a schematic view of the structure of the unmanned aerial vehicle.

Figure 2 is a schematic view of the folding attachment arrangement when the rotor is extended.

Fig. 3 is a perspective view of the folding joint device when the rotor wing is extended.

Fig. 4 is a side view of the structure of fig. 3.

Fig. 5 is a schematic view of the folding connection device when the rotor is folded.

Figure 6 is a schematic view of the unmanned aerial vehicle after folding of the rotor.

Detailed Description

To the above technical solution, referring to fig. 1 to 6, the multi-rotor unmanned aerial vehicle floating on water according to the present invention mainly includes a main body support 1, a rotor 2, a buoy 3, an underwater propulsion device 4, and an aerodynamic device 20; wherein:

the frame main body 1 is of a frame structure and is made of a light high-strength material. A plurality of rotors 2 are evenly distributed at the periphery of the frame main body 1, and the rotors 2 are made of carbon fiber materials. In the present embodiment, six rotors are provided in the housing body 1. Be provided with flotation pontoon 3 respectively below the free end of rotor 2 for unmanned aerial vehicle floats on water. Propelling device 4 sets up respectively on relative two rotors that are in same water flat line under water, and propelling device 4 is the screw device under water, when unmanned aerial vehicle floats on water, impels the dress to submerge under water, provides power for unmanned aerial vehicle. An aerodynamic device 20 is provided on each rotor free end. The aerodynamic device 20 is the screw device, provides power for unmanned aerial vehicle flies in the air.

Folding connecting devices are respectively and fixedly arranged on the rack main body 1 for installing the rotor wing 2 so as to facilitate the folding of the rotor wing. The folding connection device comprises a main body bracket 5, and the main body bracket 5 is fixedly arranged on the machine frame main body 1. The main body support 5 and the frame main body 1 may be an integral connecting structure.

The main body support 5 is provided with two side walls which are arranged in parallel at intervals, the two side walls are arranged horizontally, a locking buckle 10 is arranged between one end of each of the two side walls, and the locking buckle 10 is positioned on one side close to the rack. The locking buckle 10 is a hollow structure.

Referring to fig. 2 to 5, one side of one end of the main body bracket 5, which is far away from the main body 1 of the rack, is rotatably connected with one side of one end of the tube seat 6, the other side of the main body bracket is rotatably connected with the other side of the end of the tube seat 6, which is connected with the tube seat 6, through a link mechanism, and the tube seat 6 can rotate relative to the main body bracket 5. The link mechanism comprises a linkage arm 7 and a connecting arm 8. The free ends of two side walls at the opposite side of the side where the tube seat 6 is connected with the main body bracket 5 are rotatably connected with a linkage arm 7, and the free end of the linkage arm 7 is rotatably connected with one side of the tube seat 6 which is positioned between the two side walls and is not connected with the two side walls through a connecting arm 8. The connecting arm 8 is rotatably connected with the linkage arm 7. The connecting arm 8 is of an S-shaped structure, a locking arm 9 is arranged at the position, close to the connecting position of the connecting arm and the linkage arm, and the locking arm 9 slides relative to the connecting arm under the action of external force. A limiting lug 81 is arranged on the outer side of the connecting arm 8, a limiting hole is formed in the locking arm 9, the limiting lug 81 is located in the limiting hole of the locking arm 9, and a movement gap is reserved between the limiting hole of the locking arm and the limiting lug 81. A spring (not shown) is provided between the lock arm 9 and the connecting arm 8. One end of the locking arm 9 is of a hook-shaped structure and is positioned on the outer side of the end, connected with the linkage arm, of the connecting arm, and when the locking arm retracts, one end of the connecting arm can limit one end of the hook-shaped structure of the locking arm. A handle is arranged on the connecting arm locking arm 9. One end of a hook-shaped structure of the locking arm 9 is an inclined plane structure, when the locking arm 9 is clamped into the locking buckle, one end of an inclined plane of the locking arm 9 is pressed by the locking buckle to force the locking arm 9 to retract, when the locking arm moves to the hollow part of the locking buckle, due to the loss of the pressing force of the locking buckle, the locking arm 9 extends out and is locked in the hollow part of the locking buckle under the action of a spring, at the moment, when the tube seat 6 is positioned between two side walls of the main body support 5, the locking linkage arm 7 and the connecting arm 8 are positioned between two side walls of the main body support 5 after being folded, the tube seat 6 is fixed between two side walls of the main body support, and the rotor 2 is opened.

When the rotor wings 2 need to be transversely folded, the locking arms 9 are driven to reversely displace the compression springs to enable the locking arms to be separated from the locking buckles 10, then the locking arms are driven to drive the connecting arms 8 and the linkage arms 7 to move to the outside of the main body bracket 5 from the positions of the two side walls of the main body bracket, the rotation is continued, the tube seat 6 and the rotor wings 2 are driven to rotate and fold relative to the main body bracket 5, each rotor wing is operated in such a way, and the rotor wings are mutually overlapped and contracted, as shown in fig. 6.

Claims

1. A multi-rotor unmanned aerial vehicle floating on water comprises a rack main body and is characterized in that a plurality of rotors are arranged on the rack main body, the rotors are connected with the rack main body through a folding connecting device, and the folding connecting device can drive the rotors to fold or extend; a float bowl is arranged below the free end of the rotor wing, and an aerodynamic device is arranged above the free end of the rotor wing; two opposite rotor wings which are positioned on the same horizontal line are respectively provided with an underwater propelling device.

2. The water-surface floating multi-rotor unmanned aerial vehicle of claim 1, wherein the folding attachment comprises a body mount, a tube mount, and a linkage connected to a frame body; the rotor wing is arranged on the tube seat; one side of one end, far away from the rack main body, of the main body support is rotatably connected with one side of one end of the tube seat, and the other side of the main body support is rotatably connected with the other side of the connected end of the tube seat through a connecting rod mechanism; a locking arm is arranged on the connecting rod mechanism in a displaceable manner, and a locking buckle is arranged at one end of the main body bracket, which is connected with the rack; when the rotor wing is unfolded, the locking arm is arranged in the locking buckle, and the connecting rod mechanism is folded and positioned in the main body bracket; when the rotor is folded, the locking arm breaks away from the locking buckle, and the link mechanism opens and is located outside the main body support.

3. The surface-floating multi-rotor unmanned aerial vehicle of claim 2, wherein the main body bracket comprises two side arms spaced apart and arranged in parallel, the two side arms are arranged horizontally, the tube seat is located between one end of the two side arms, and the locking buckle is located between the other end of the two side arms.

4. The water surface floating multi-rotor unmanned aerial vehicle of claim 2, wherein the linkage mechanism comprises a linkage arm rotatably connected to the main body bracket and a connecting arm rotatably connected to the linkage arm, one end of the connecting arm being rotatably connected to the tube socket; the locking arm is displaceably arranged on the connecting arm.

5. The surface-floating multi-rotor unmanned aerial vehicle of claim 4, wherein a limiting bump is disposed on the connecting arm, a limiting hole is disposed on the locking arm, the limiting bump is disposed in the limiting hole, a displacement gap is reserved between the limiting bump and the limiting hole, and the locking arm is connected to the connecting arm through a spring.

6. The surface-floating multi-rotor unmanned aerial vehicle of claim 5, wherein the locking arm has a hook-shaped structure at one end, and the hook-shaped structure is located outside an end face of the connecting arm.