WO2021037067A1

WO2021037067A1 - Frame for aircraft and aircraft

Info

Publication number: WO2021037067A1
Application number: PCT/CN2020/111415
Authority: WO
Inventors: 董雪松; 刘厚臣
Original assignee: 苏州极目机器人科技有限公司
Priority date: 2019-08-27
Filing date: 2020-08-26
Publication date: 2021-03-04
Also published as: CN111216868A

Abstract

A frame for an aircraft and an aircraft, the frame comprising an aircraft body, and the aircraft body comprising a base plate (10), a front aircraft arm (11) and a rear aircraft arm (12), and a connecting arm (30) arranged between the rear aircraft arm (12) and the base plate (10). The aircraft comprises the frame. The length of the rear aircraft arm (12) is shortened, and a normal folding arrangement of the rear aircraft arm (12) can be achieved.

Description

Frame for aircraft and aircraft

This application claims the priority of the Chinese patent application whose application date is August 27, 2019 and the application number is 201910795375.4. The entire content of this application is incorporated into this application by reference.

Technical field

This application relates to the technical field of unmanned aerial vehicles and aircraft, for example, to a rack and an aircraft for an aircraft.

Background technique

An unmanned aerial vehicle is a remotely controlled or autonomously flying aircraft. Usually an unmanned aerial vehicle includes an aircraft and a control station. The aircraft includes a fuselage, a power unit and a navigation flight controller. It can carry tools for aerial operations. Now UAVs are widely used Used in industry, agriculture, military and other fields.

Agricultural plant protection drones can be used to replace manual agricultural operations in the air. The agricultural plant protection drone in the related art is equipped with a medicine box or a spreading device through a carrier frame, and a battery through a battery frame. Since the drone body includes a load frame and a battery frame, the rear arm needs to be extended backwards and made longer. The longer rear arm length makes it difficult to reasonably set up a folding structure.

Summary of the invention

The present application provides a frame for an aircraft and an aircraft, which can alleviate the problem that the folding structure is difficult to be reasonably arranged due to the long rear arm.

An embodiment of the present application provides a frame for an aircraft, including a fuselage, the fuselage includes a base plate, a front arm and a rear arm, and a connecting arm is provided between the rear arm and the base plate.

Optionally, the base plate is provided with a fuselage frame on one side of the rear arm; the rear arm is arranged on the fuselage frame.

Optionally, the connecting arm includes a bending structure, the bending structure includes a frame support section and an extension connection section, the frame support section is arranged outside the fuselage frame, and the extension connection section is extended and fixed at the center of the base plate .

Optionally, the fuselage frame includes an object-carrying frame and a battery frame, and the frame support section of the connecting arm is fixed at least outside the object-carrying frame.

Optionally, the rear arm is connected to the connecting arm through a connecting piece, and the rear arm is foldably assembled on the connecting arm through the connecting piece.

Optionally, the rear arm is connected to the connecting arm and the body frame through a connecting piece.

Optionally, the connecting arm is a hollow pipe.

Optionally, the connecting arm is a segmented pipe.

Optionally, the segmented pipe includes a first sleeve and a second sleeve, the first sleeve is fixedly connected to the abutment through a connecting piece, the second sleeve is detachably connected to the first sleeve, and the first sleeve is detachably connected to the first sleeve. The connection length between the second sleeve and the first sleeve is adjustable.

Optionally, a reinforcing member is further provided on the connecting arm or the rear arm, and the reinforcing member is at least connected to the battery frame.

Optionally, one end of the connecting arm is fixedly connected to the base of the substrate through a locking member.

Optionally, the substrate includes an upper substrate and a lower substrate, and the upper substrate and the lower substrate directly form an accommodating space for accommodating electronic devices.

An embodiment of the present application also provides an aircraft, including any one of the above-mentioned racks.

In the frame for aircraft provided in this application, in order to avoid that the rear arm length is too long and the folding structure is not easy to install, a connecting arm is provided between the rear arm and the base plate, and the rear arm is connected to the base plate through the connecting arm, thus shortening The length of the rear arm can realize the normal folding setting of the rear arm.

Description of the drawings

Figure 1 is a schematic structural diagram of a rack for an aircraft provided by an embodiment of the application;

FIG. 2 is a schematic diagram of loading of a rack for an aircraft provided by an embodiment of the application;

FIG. 3 is a schematic structural diagram of a bottom view of a connecting arm used for a rack of an aircraft provided by an embodiment of the application; FIG.

Fig. 4 is a schematic diagram of the connection of the connecting arm for the frame of the aircraft provided by the embodiment of the application.

Icon: 10-base plate; 11-front arm; 12-rear arm; 13-carrying frame; 14-battery frame; 20-visual support; 30-connecting arm; 31-connecting piece; 101-lower base plate.

detailed description

Example one

Agricultural plant protection drones can be used to replace manual agricultural operations in the air. The agricultural plant protection drone in the related art is equipped with a medicine box or a spreading device through the carrying frame 13, and equipped with a battery through the battery frame 14. Since the drone body includes the load frame 13 and the battery frame 14, the rear arm 12 needs to be extended backwards and made longer. The longer rear arm 12 makes it difficult to reasonably set up a folding structure.

In order to solve the above-mentioned problems, as shown in Figs. 1 and 2, the frame for an aircraft provided by this embodiment includes a fuselage. The fuselage includes a base plate 10, a front arm 11, and a rear arm 12. A connecting arm 30 is provided between the rear arm 12 and the base plate 10.

In order to prevent the rear arm 12 from being too long and making it difficult to install a folding structure, a connecting arm 30 is provided between the rear arm 12 and the base plate 10. The rear arm 12 is connected to the base plate 10 through the connecting arm 30, thus shortening the rear arm 12 The length of the rear arm 12 can be folded normally.

Example two

A connecting arm 30 is provided between the rear arm 12 and the base plate 10, and the connection between the rear arm 12 and the connecting arm 30 has high requirements, or the connection between the rear arm 12 and the connecting arm 30 is firm The degree is insufficient, and the connection relationship needs to be strengthened to ensure the stability of the fuselage.

In order to solve the above problems, the frame for an aircraft provided in this embodiment includes a fuselage, the fuselage includes a base plate 10, a front arm 11, and a rear arm 12, and the base plate 10 is on the side of the rear arm 12 A body frame is provided; a connecting arm 30 is provided between the rear arm 12 and the base plate 10.

The rear arm 12 is also arranged on the body frame at the same time.

Through the above arrangement, the rear arm 12 is arranged on the connecting arm 30 and the body frame at the same time, and the connection stability and firmness of the rear arm 12 can be improved.

Example three

The fuselage includes a base plate 10, a front arm 11, and a rear arm 12. The base plate 10 is provided with a fuselage frame on one side of the rear arm 12. Therefore, the structure of the connecting arm 30 needs to be reasonably set to ensure that the connecting arm 30 and the fuselage are connected. Fully adapted.

The rear arm 12 is also arranged on the body frame at the same time.

The connecting arm 30 includes a bending structure, the bending structure includes a frame support section and an extension connection section, the frame support section is arranged outside the fuselage frame, and the extension connection section is extended and fixed at the center of the base plate 10.

By arranging the connecting arm 30 into a bent structure, a longer frame support section can be provided on the outside of the fuselage frame to fully ensure that the connecting arm 30 and the fuselage frame are in a fit and fixed connection, and the fuselage frame provides enough for the connecting arm 30 At the same time, the connecting arm 30 also provides sufficient protection to the fuselage frame. The two work together to ensure that the rear arm 12 is stably fixed on the fuselage, and the rear arm 12 also ensures that the fuselage frame is not easily deformed.

Example four

Generally, the fuselage frame includes an object frame 13 and a battery frame 14. Due to the different structural appearance of the object frame 13 and the battery frame 14, the width of the battery frame 14 is usually smaller than the object frame 13, and the structure of the connecting arm 30 needs to be set more reasonably In order to ensure that the connecting arm 30 is fully adapted to the fuselage.

The rear arm 12 is also arranged on the body frame at the same time.

The fuselage frame includes an object carrying frame 13 and a battery frame 14, and the frame support section of the connecting arm 30 is fixed at least outside the object carrying frame 13.

Since the structure of the load frame 13 is larger, the length that can be connected is longer, and the distance between the load frame 13 and the substrate 10 is closer, the frame support section of the connecting arm 30 may be optionally fixed at least outside the load frame 13 , In order to fully ensure that the connecting arm 30 and the fuselage frame are closely connected and fixedly connected, the fuselage frame provides sufficient support for the connecting arm 30, and the connecting arm 30 also provides sufficient protection for the fuselage frame. The two work together to ensure the rear machine The arm 12 is stably fixed on the fuselage, and the rear arm 12 also ensures that the fuselage frame is not easily deformed.

Example five

The rear arm 12 is also arranged on the body frame at the same time.

The fuselage frame includes an object carrying frame 13 and a battery frame 14, and the frame support section of the connecting arm 30 is fixed on the outside of the object carrying frame 13 and the battery frame 14.

Optionally, fix the frame support section of the connecting arm 30 on the outside of the load frame 13 and the battery frame 14 at the same time to fully ensure that the connecting arm 30 and the fuselage frame are in a fit and fixed connection, and the fuselage frame provides sufficient support for the connecting arm 30 At the same time, the connecting arm 30 also provides sufficient protection to the fuselage frame. The two work together to ensure that the rear arm 12 is stably fixed on the fuselage, and the rear arm 12 also ensures that the fuselage frame is not easily deformed.

Example Six

This embodiment provides a rack. As shown in FIG. 4, the rear arm 12 is connected to the base plate 10 through the connecting arm 30, which ensures that the rear arm 12 is not too long, so that the rear arm 12 can be properly folded. .

This embodiment provides an optional folding method of the rear arm 12.

A frame for an aircraft includes a fuselage. The fuselage includes a base plate 10, a front arm 11 and a rear arm 12; a connecting arm 30 is provided between the rear arm 12 and the base plate 10.

The rear arm 12 is connected to the connecting arm 30 via a connecting piece 31, and the rear arm 12 is foldably assembled on the connecting arm 30 via the connecting piece 31.

The rear arm 12 can be foldably assembled on the connecting arm 30 through the connecting member 31, and the rear arm 12 is folded to facilitate the storage and transportation of the aircraft.

Example Seven

The rear arm 12 is connected to the connecting arm 30 solely through the connecting piece 31. The impact force generated during the landing of the aircraft will still affect the connection stability of the connecting arm 30, and the connection firmness of the rear arm 12 needs to be improved.

In order to solve the above-mentioned problems, the frame for an aircraft provided in this embodiment includes a fuselage. The fuselage includes a base plate 10, a front arm 11 and a rear arm 12, between the rear arm 12 and the base plate 10. A connecting arm 30 is provided.

The rear arm 12 is connected to the connecting arm 30 and the fuselage frame through a connecting piece 31.

Through the above-mentioned connection method, the rear arm 12 is connected to the connecting arm 30 and the fuselage frame at the same time, which fully ensures that the connecting arm 30 and the fuselage frame are in a fit and fixed connection. The fuselage frame provides sufficient support for the connecting arm 30, and the connecting arm 30 It also provides adequate protection to the fuselage frame, and the two work together to ensure that the rear arm 12 is stably fixed on the fuselage, and the rear arm 12 also ensures that the fuselage frame is not easily deformed.

Example eight

The agricultural plant protection drone in the related technology can be used to replace the manual operation of conventional agricultural operations in the air. The agricultural plant protection drone in the related art is equipped with a medicine box or a spreading device through the carrying frame 13, and equipped with a battery through the battery frame 14.

There are multiple connecting wires between the rear arm 12 and the electronic devices in the center of the substrate 10. The connecting wires are exposed to the outside and will be affected by external influences, which may cause quality problems. At the same time, the connecting wires of the rear arm 12 and the electronic devices of the substrate 10 are installed. And the disassembly operation is inconvenient.

In order to solve the above problems, as shown in FIG. 3, the frame for an aircraft provided by this embodiment includes a fuselage, the fuselage includes a base plate 10, a front arm 11, and a rear arm 12, and the base plate 10 is A fuselage frame is provided on one side of the rear arm 12; a connecting arm 30 is provided between the rear arm 12 and the base plate 10.

The rear arm 12 is also arranged on the body frame at the same time.

The connecting arm 30 is a hollow pipe.

The substrate 10 includes an upper substrate and a lower substrate 101, and the upper substrate and the lower substrate 101 directly form an accommodating space for accommodating electronic devices.

The multiple connecting wires between the rear arm 12 and the electronic devices in the center of the substrate 10 are arranged in the hollow pipe fittings of the connecting arm 30 to facilitate the connection between the connecting wires of the rear arm 12 and the electronic devices in the center of the substrate 10. When the arm 12 is installed and disassembled, the connecting wire will not be exposed to the external environment, so as to avoid quality problems caused by the exposed connecting wire.

Example 9

In order to facilitate the installation and disassembly of the connecting arm 30, the structure of the connecting arm 30 needs to be further designed.

In order to solve the above technical problems, the present embodiment provides a frame for an aircraft, including a fuselage. The fuselage includes a base plate 10, a front arm 11, and a rear arm 12. The base plate 10 is mounted on the rear arm 12. A body frame is provided on one side; a connecting arm 30 is provided between the rear arm 12 and the base plate 10.

The rear arm 12 is also arranged on the body frame at the same time.

The connecting arm 30 is a segmented pipe.

The segmented pipe fitting facilitates the installation and disassembly of the connecting arm 30.

Example ten

The agricultural plant protection drone in the related technology is equipped with a medicine box or a spreading device. In order to enhance the function of the drone, a vision bracket 20 is added to the drone in the related technology. The vision bracket 20 is equipped with a binocular vision device. The vision bracket 20 and the vision device are arranged at the front end of the drone, which changes the design balance of the original drone. Therefore, the balance of the aircraft body equipped with the vision bracket 20 needs to be re-adjusted.

The rear arm 12 is also arranged on the body frame at the same time.

The connecting arm 30 is a segmented pipe.

The segmented pipe includes a first sleeve and a second sleeve. The first sleeve is fixedly connected to the abutment through a connecting piece 31, the second sleeve is detachably connected to the first sleeve, and the second sleeve The length of the connection with the first sleeve is adjustable.

That is, the distance between the rear arm 12 and the base plate 10 can be adjusted by adjusting the length of the connecting arm 30.

In the frame for an aircraft provided in the present application, the base plate 10 is provided with a vision support 20 on the side of the front arm 11. Because the load of the vision support 20 and the vision device changes the balance of the fuselage in the related art, the aircraft itself The balance adjustment is relatively difficult to achieve, which results in a relatively large restriction on the weight of the vision stand 20 and the vision device. In order to realize the installation of more advanced vision devices, the frame needs to be improved. The frame of the present application is provided with a connecting arm 30 between the rear arm 12 and the base plate 10. The connecting arm 30 is used to adjust the distance between the rear arm 12 and the base plate 10. The position extends to the side away from the vision support 20 and the vision device, thereby adjusting the body balance of the frame in the related technology, so that the aircraft can be equipped with more advanced and heavier vision devices.

Example 11

This embodiment provides an aircraft including a frame, the frame includes a fuselage, the fuselage includes a base 10, a front arm 11, and a rear arm 12, and a connection is provided between the rear arm 12 and the base 10臂30.

The technical problem that can be solved by the aircraft is: agricultural plant protection drones can be used to replace manual agricultural operations in the air. The agricultural plant protection drone in the related art is equipped with a medicine box or a spreading device through the carrying frame 13 and equipped with a battery through the battery frame 14. Since the drone body includes the load frame 13 and the battery frame 14, the rear arm 12 needs to be extended backwards and made longer. The longer rear arm 12 makes it difficult to reasonably set up a folding structure.

The technical effect of the aircraft is: in order to prevent the rear arm 12 from being too long to make it difficult to set up a folding structure, a connecting arm 30 is provided between the rear arm 12 and the base plate 10, and the rear arm 12 is connected to the base plate 10 through the connecting arm 30. In this way, the length of the rear arm 12 is shortened, and the normal folding setting of the rear arm 12 can be realized.

Claims

A frame for an aircraft includes a fuselage, the fuselage includes a base plate, a front arm and a rear arm, wherein:

A connecting arm is arranged between the rear arm and the base plate.
The frame for an aircraft according to claim 1, wherein the base plate is provided with a fuselage frame on one side of the rear arm;

The rear arm is arranged on the body frame.
The frame for an aircraft according to claim 2, wherein the connecting arm includes a bending structure, the bending structure includes a frame support section and an extension connecting section, and the frame support section is arranged outside the fuselage frame , The extension connecting section is extended and fixed at the central position of the substrate.
The frame for an aircraft according to claim 3, wherein the fuselage frame includes a cargo frame and a battery frame, and the frame support section of the connecting arm is fixed at least outside the cargo frame.
The frame for an aircraft according to claim 1, wherein the rear arm is connected to the connecting arm through a connecting piece, and the rear arm is foldably assembled on the connecting arm through the connecting piece.
The frame for an aircraft according to claim 1, wherein the rear arm is connected to the connecting arm and the fuselage frame through a connecting piece.
The frame for an aircraft according to claim 1, wherein the connecting arm is a hollow pipe.
The frame for an aircraft according to claim 1, wherein the connecting arm is a segmented pipe.
The frame for an aircraft according to claim 8, wherein the segmented pipe includes a first sleeve and a second sleeve, the first sleeve is fixedly connected to the abutment through a connecting piece, and the second sleeve It is detachably connected with the first sleeve, and the length of the connection between the second sleeve and the first sleeve is adjustable.
An aircraft comprising a frame, the frame being the frame for an aircraft according to any one of claims 1-9.