CN213677112U

CN213677112U - Unmanned aerial vehicle fuselage structure

Info

Publication number: CN213677112U
Application number: CN202022937417.4U
Authority: CN
Inventors: 张玺; 雷黎明; 晁向飞; 李沙妮; 沈洋
Original assignee: Xian Lingkong Electronic Technology Co Ltd
Current assignee: Xian Lingkong Electronic Technology Co Ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-07-13
Anticipated expiration: 2030-12-10

Abstract

The utility model relates to the technical field of aviation, in particular to an unmanned aerial vehicle body structure; including fuselage section and fuselage section frame, fuselage section has seted up a plurality of access holes on the surface, and its access hole department is equipped with the maintenance flap, the screw thread links to each other between maintenance flap and the fuselage section, and the opening has been seted up at fuselage section both ends, and its opening part is fixed to be provided with a plurality of fuselage frames, fuselage section inner wall still is equipped with the die cavity, fuselage section lateral wall and fuselage section bottom are located to the die cavity. The utility model discloses a fuselage structure, part are small in quantity, light in weight, and assembly work volume is little, and fuselage size precision guarantees easily, and manufacturing cycle shortens greatly, and manufacturing cost reduces to be showing, and the mass production advantage is obvious.

Description

Unmanned aerial vehicle fuselage structure

Technical Field

The utility model relates to an aviation technical field, concretely relates to unmanned aerial vehicle fuselage structure.

Background

At present current unmanned aerial vehicle fuselage structure adopts structure that covering, frame, and stringer combination assembly formed mostly, and there is the assembly relation complicacy in relevant structure, and the manufacturing cycle is long, and manufacturing cost is high, and the quality uniformity guarantees that the degree of difficulty is big grade shortcoming to having the unmanned aerial vehicle that certain batch required, is unfavorable for the volume production very much and makes.

Disclosure of Invention

To the problem mentioned in the prior art, the utility model provides an unmanned aerial vehicle fuselage structure that assembly structure is simple, low in manufacturing cost.

The utility model relates to an unmanned aerial vehicle fuselage structure, add the frame including fuselage section and fuselage, the fuselage section has seted up a plurality of access holes on the surface, and its access hole department is equipped with the maintenance flap, the screw thread links to each other between maintenance flap and the fuselage section, and the opening has been seted up at fuselage section both ends, and its opening part is fixed to be provided with a plurality of fuselage and adds the frame, fuselage section inner wall still is equipped with the die cavity, both ends and fuselage section bottom about the fuselage section are located respectively to the die cavity.

Preferably, the machining frame has multiple structures, namely a first type frame, a second type frame and a third type frame, and the machining frames with different structures can be selected according to requirements during installation; the section of the first profile frame is arranged in a C shape, the section of the second profile frame is arranged in an I shape, and a foam plate is arranged in the third profile frame.

Preferably, a reinforcing piece is further installed in the cavity at the bottom of the fuselage section.

Preferably, when the plurality of machined frames are installed, adjacent machined frames are arranged at intervals.

Preferably, the machining frame is connected with the fuselage section through rivets or screws in a threaded manner and then is fixedly connected through gluing.

Preferably, the size of the frame is smaller than the size of the fuselage section.

Preferably, the maintenance flaps are two.

Preferably, the fuselage section is integrally formed from an aluminium alloy profile.

Compared with the prior art, the utility model, following technological effect has been gained:

the utility model discloses a fuselage structure, part are small in quantity, light in weight, and assembly work volume is little, and fuselage size precision guarantees easily, and manufacturing cycle shortens greatly, and manufacturing cost reduces to be showing, and the mass production advantage is obvious.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic view of a first mold frame of the present invention;

FIG. 4 is a schematic view of a second frame of the present invention;

FIG. 5 is a schematic view of a third frame of the present invention;

FIG. 6 is a sectional view of the fuselage section of the present invention;

fig. 7 is a schematic view of embodiment 2 of the present invention.

Reference numerals: 1-mechanically framing; 2-a fuselage section; 3-maintenance of the flap; 4-a cavity; 5-a material tube; 6-reinforcement.

Detailed Description

Example 1

The utility model relates to an unmanned aerial vehicle fuselage structure, add the frame including fuselage section and fuselage, the fuselage section has seted up a plurality of access holes on the surface, and its access hole department is equipped with the maintenance flap, the screw thread links to each other between maintenance flap and the fuselage section, and the opening has been seted up at fuselage section both ends, and its opening part is fixed to be provided with a plurality of fuselage and adds the frame, fuselage section inner wall still is equipped with the die cavity, both ends and fuselage section bottom about the fuselage section are located respectively to the die cavity. The machining frames have various structures, namely a first type frame, a second type frame and a third type frame, and the machining frames with different structures can be selected according to requirements during installation; the section of the first profile frame is arranged in a C shape, the section of the second profile frame is arranged in an I shape, and a foam plate is arranged in the third profile frame. When the plurality of machining frames are installed, the adjacent machining frames are arranged at intervals. The machining frame is connected with the machine body section through rivets or screw threads and then is matched with glue to be fastened and connected. The size of the machine frame is smaller than that of the machine body section. The maintenance flap is two. The fuselage section is integrally formed by aluminum alloy profiles.

In the embodiment, the fuselage section is made of aluminum alloy, openings are formed in two ends of the fuselage section, the cavity is arranged in the fuselage section and is arranged at the left end, the right end and the bottom end of the inner wall of the fuselage section, the cavities at the left end and the right end are arranged in an arc shape, and the cavity at the bottom end is arranged in a rectangular shape, so that the strength and the bearing efficiency of the fuselage are improved when the fuselage bears flight loads, maneuvering loads and gravity acceleration loads of equipment in a cabin, the reliability of the fuselage section is ensured, meanwhile, a sufficient supporting effect can be provided for the equipment installation in the cabin, and the cavities formed at the left end and the right end; the surface of the fuselage section is provided with a maintenance opening cover, the left end and the right end of the maintenance opening cover are in bolted connection with the fuselage section 2, nuts are arranged on the fuselage section for drilling and are installed in a steel wire swivel nut mode, the front end and the rear end of the opening cover are in bolted connection with a connecting frame border strip, the nuts are connected in a mode that planker nuts are installed on the frame border strip in advance, and the maintenance opening cover enables workers to carry out maintenance; in the embodiment, the machining frames can be made of sheet metal or aluminum alloy, the number of the arranged machining frames can be determined according to requirements, the machining frame structures are divided into three types of first type frames, second type frames and third type frames, the structures of the first type frames are different, the sections of the first type frames are arranged in a C shape, the sections of the second type frames are arranged in an I shape, foam plates are arranged in the third type frames, and the type frames with different structures can be suitable for different occasions and meet different requirements; when the machine frame is added in the fuselage section in the embodiment, a distance is reserved between every two adjacent machine frames, and the arranged machine frames can further increase the strength of the fuselage and ensure the reliability of the fuselage; the fuselage section that integrated into one piece set up has greatly reduced assembly work volume, has reduced the connection between each structure, and structural efficiency is higher.

Example 2

This embodiment is substantially the same as embodiment 1, except that a reinforcing member is further installed in the cavity at the bottom of the fuselage section. And a material pipe is also pre-embedded in the cavity arranged on the side wall of the fuselage section. The reinforcing part is arranged in the embodiment and is a metal part, so that the strength of the machine body is further improved, and the material pipe pre-buried in the side wall cavity can be used for equipment lines to pass through.

Claims

1. The utility model provides an unmanned aerial vehicle fuselage structure, its characterized in that, includes fuselage section and fuselage and adds the frame, fuselage section has seted up a plurality of access holes on the surface, and its access hole department is equipped with the maintenance flap, the screw thread links to each other between maintenance flap and the fuselage section, and the opening has been seted up at fuselage section both ends, and its opening part is fixed to be provided with a plurality of fuselage and adds the frame, fuselage section inner wall still is equipped with the die cavity, fuselage section lateral wall and fuselage section bottom are located to the die cavity.

2. The airframe structure of claim 1, wherein the airframe has a plurality of structures, which are a first profile, a second profile and a third profile, and the airframe of different structures can be selected according to requirements during installation; the section of the first profile frame is arranged in a C shape, the section of the second profile frame is arranged in an I shape, and a foam plate is arranged in the third profile frame.

3. The unmanned aerial vehicle fuselage structure of claim 1, wherein a stiffener is further installed in the cavity at the bottom of the fuselage section.

4. The unmanned aerial vehicle fuselage structure of claim 1, wherein a material pipe is embedded in the cavity formed in the sidewall of the fuselage section.

5. The unmanned aerial vehicle fuselage structure of claim 1, wherein when the plurality of airframes are installed, adjacent airframes are spaced apart.

6. The unmanned aerial vehicle fuselage structure of claim 1, characterized in that the fuselage frame and the fuselage section are connected through rivets or screws and then are connected through gluing and fastening.

7. The airframe structure of claim 1, wherein the fuselage framing size is less than the fuselage section size.

8. The airframe structure of claim 1, wherein the maintenance flaps are two.

9. The unmanned aerial vehicle fuselage structure of claim 1, wherein the fuselage sections are integrally formed from aluminum alloy sections.