CN216509009U - Butt-joint structural of unmanned aerial vehicle vertical fin and tail boom - Google Patents
Butt-joint structural of unmanned aerial vehicle vertical fin and tail boom Download PDFInfo
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- CN216509009U CN216509009U CN202123075463.9U CN202123075463U CN216509009U CN 216509009 U CN216509009 U CN 216509009U CN 202123075463 U CN202123075463 U CN 202123075463U CN 216509009 U CN216509009 U CN 216509009U
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Abstract
The utility model provides an unmanned aerial vehicle vertical tail and butt-joint structure of tail-brace, contains tail-brace and vertical tail, the tail-brace include tail-brace pole and connecting frame, the tail-brace pole be three parallel round bars, the connecting frame be three parallel triangle-shaped frames, three tail-brace poles pass through the three angles of connecting frame respectively perpendicularly, form stable triangle-shaped body tail-brace structure, the major structure of vertical tail includes parallel vertical tail front beam and vertical tail back beam, another has a main stay bar to be connected tail-brace and vertical tail major structure.
Description
Technical Field
The application relates to the technical field of aircraft structural design, in particular to a butt joint structure of a vertical tail and a tail boom of an unmanned aerial vehicle.
Background
In the development process of a small-sized composite material unmanned aerial vehicle, in the butt joint design process of a vertical tail and a tail boom of an airplane, if the connection form of a universal single-lug butt joint is used, due to the limitation of the space of a butt joint part, a base connected with the butt joint part needs to be additionally arranged, the number of parts is greatly increased, the structural weight is increased, the joint is difficult to form, the manufacturing process is complex, and the manufacturing cost is higher. In order to realize the aim of light design of the unmanned aerial vehicle and meet the requirement of reliable connection, a new connection mode needs to be explored, and the indexes of few parts, light weight and reliable connection are achieved.
Disclosure of Invention
The problem to aircraft butt joint structural design can not satisfy unmanned aerial vehicle design demand among the prior art, in order to reach the requirement of few part, light in weight, reliable connection, this application provides an unmanned aerial vehicle vertical fin and tail boom's butt joint structure.
The utility model provides an unmanned aerial vehicle vertical tail and butt-joint structure of tail-stay, contains tail-stay and vertical tail, its characterized in that, the tail-stay contain tail-stay pole and connecting frame, the tail-stay pole be three parallel round bars, the connecting frame be three parallel triangle-shaped frame, three tail-stay poles pass through the three angle of connecting frame respectively perpendicularly, form stable triangle-shaped body tail-stay structure, the major structure of vertical tail contains parallel vertical tail front beam and vertical tail back beam, has a main stay to be connected tail-stay and vertical tail major structure in addition.
The main supporting rod is a round rod, one end of the main supporting rod is vertically connected to the center of the connecting frame, and the other end of the main supporting rod is vertically connected with the vertical tail front beam and the vertical tail rear beam.
The tail support and the vertical tail are made of composite materials.
A connecting flange made of composite materials is arranged between the main supporting rod and the connecting frame, the connecting flange comprises a connecting pipe and a flange edge, the connecting pipe is sleeved on the main supporting rod, and the flange edge is attached to the side surface of the connecting frame.
When the main supporting rod is connected with the connecting flange, a stop piece perpendicular to the supporting rod is arranged on the connecting pipe of the connecting flange.
A composite material connecting joint is arranged between the main supporting rod and the vertical tail front beam and between the main supporting rod and the vertical tail rear beam, the connecting joint is of a four-way pipe structure, the transverse pipe of the connecting joint is sleeved on the surface of the main supporting rod in a sleeving mode, and the longitudinal pipe of the connecting joint is sleeved on the vertical tail front beam or the vertical tail rear beam in a sleeving mode.
The beneficial effect of this application lies in: 1) the utility model provides an unmanned aerial vehicle vertical fin and butt joint structure of tail boom has realized the requirement of few parts, light weight, reliable connection, with vertical fin structure and tail boom structure butt joint together, abandons traditional single ears butt joint form, according to current structural style, uniquely adopts the transmission of composite material pipe realization part power when butt joint, can satisfy part butt joint design requirement. 2) The parts of the butt joint part are made of composite materials, and are connected by adopting an adhesive during connection, so that the use of standard parts is avoided, the assembly process can be simplified, and the connection efficiency is improved. 3) The connecting frame is connected with the main support rod through the connecting flange made of the composite material, the connecting flange comprises a connecting pipe and a flange edge, the connecting pipe is sleeved on the main support rod, the flange edge is attached to the side surface of the connecting frame, the connecting flange increases the bonding area between the main support rod and the connecting frame, and the connecting reliability is improved. 4) When the main supporting rod is connected with the connecting flange, the main supporting rod is fixed by two stop pieces which are vertical to different surfaces, the axial movement and the circumferential rotation of the main supporting rod are limited, and the connection is simple and reliable. 5) The vertical fin is connected with the main supporting rod through the connecting joint made of the composite material, the transverse pipe is sleeved on the surface of the main supporting rod, the longitudinal pipe of the transverse pipe is sleeved on the vertical fin front beam or the vertical fin rear beam, the connecting joint increases the bonding area of the main supporting rod and the vertical fin main body structure, the vertical fin front beam and the vertical fin rear beam are connected, and the connecting reliability is improved. 6) The main supporting rod is in clearance fit with the tail support connecting frame and the vertical tail front beam through hole, the coaxiality requirement of the connecting frame and the vertical tail front beam through hole connected with the main supporting rod is lowered, and part manufacturing and structure assembly are facilitated.
The present application is described in further detail below with reference to the accompanying drawings of embodiments.
Drawings
FIG. 1 is a schematic view of a docking structure of a vertical tail and a tail boom of an unmanned aerial vehicle
FIG. 2 is a schematic view of the connection of the main stay bar and the vertical fin
FIG. 3 is a schematic view of the connection between the connection frame and the tail stay
FIG. 4 is a schematic view of the main strut and flange stop connection
FIG. 5 is a schematic view of a connection frame between the tail stay bar and the main stay bar
FIG. 6 is a schematic view of a connecting flange between a main stay bar and a connecting frame
FIG. 7 is a schematic view of the connection joint between the main stay bar and the vertical tail back beam
FIG. 8 is a schematic view of the connection joint between the main stay bar and the vertical tail front beam
The numbering in the figures illustrates: 1 connecting frame, 2 main supporting rods, 3 connecting joints, 4 vertical tail front beams, 5 vertical tail rear beams, 6 vertical tail front edges, 7 tail supporting rods, 8 connecting flanges and 9 stopping pieces
Detailed Description
Referring to the drawings, the butt joint structure of the vertical tail and the tail support of the unmanned aerial vehicle comprises the tail support and the vertical tail which are made of materials, the main structure of the vertical tail comprises a vertical tail front beam 4 and a vertical tail rear beam 5, the vertical tail front beam 4 is a foam sandwich structure beam with a rectangular cross section, and the vertical tail rear beam 5 is a circular tube structure. The main supporting rod 2 and the vertical tail main body are connected with a vertical tail front beam 4 and a vertical tail rear beam 5 through a four-way pipe type connecting joint 3, a through hole is formed in the front edge 6 of the vertical tail for the main supporting rod, and the supporting rod can extend out of the structure of the vertical tail main body, and the specific structure is shown in fig. 2.
The tail boom comprises tail boom rods 7 and a connecting frame 1, the tail boom rods are three parallel round rods, the connecting frame is three parallel triangular frames, the three tail boom rods respectively vertically pass through three corners of the connecting frame to form a stable tail boom structure in the shape of a triangular prism, and the specific structure is shown in fig. 3. When the connecting flange 8 is connected with the tail boom, the connecting pipes of the three connecting flanges are sleeved on the main supporting rod, the flange edges are attached to the side surface of the connecting frame, two round holes with axes perpendicular to each other are formed in the main supporting rod, the connecting reliability of the main supporting rod and the connecting flange is improved by inserting the stop piece 9, and the specific structure is shown in fig. 4.
The connection structure relates to parts, which are schematically shown in the attached drawings,
the structure of the connecting frame is shown in detail in figure 5, the connecting flange is shown in figure 6, the connecting structure of the connecting joint for the front vertical tail beam is shown in figure 7, and the connecting structure of the connecting joint for the rear vertical tail beam is shown in figure 8.
The main stay bar 2 connects the tail stay structure with the vertical tail main body structure. The main supporting rod 2 is a round rod, one end of the main supporting rod 2 is vertically connected in a central hole of the connecting frame 1, and the other end of the main supporting rod 2 is vertically connected with the vertical tail front beam 4 and the vertical tail rear beam 5.
A connecting flange 8 made of composite materials is arranged between the main supporting rod 2 and the connecting frame 1, the connecting flange 8 comprises a connecting pipe and a flange edge, the connecting pipe is sleeved on the main supporting rod 2, and the flange edge is pasted on the side surface of the connecting frame 1.
When the main supporting rod 2 is connected with the connecting flange, a stop piece 9 perpendicular to the supporting rod is arranged on the connecting pipe of the connecting flange, as shown in fig. 4.
A connecting joint 3 made of composite materials is respectively arranged between the main supporting rod and the vertical tail front beam as well as between the main supporting rod and the vertical tail rear beam, the connecting joint is of a four-way pipe structure, the connecting joint connected with the vertical tail front beam is shown in figure 8, a longitudinal pipe of the connecting joint is a square pipe matched with the vertical tail front beam, a transverse pipe of the connecting joint is matched with the supporting rod, the connecting joint is also made of composite materials, and the main supporting rod is connected with the vertical tail front beam; also, the joint for connecting with the rear vertical beam is shown in fig. 7, which is also a four-way pipe structure, and the longitudinal pipe and the lateral pipe are circular pipes to be matched with the rear vertical beam 5 and the support rod 2, respectively.
This combined material butt joint structure is when the assembly: the main supporting rod is connected with the vertical tail through the connecting joint firstly, and then is connected with the connecting frame fixed on the tail support through the connecting flange, so that the indexes of few parts, light weight and reliable connection during butt joint design of the vertical tail and the tail support structure are realized, and the initial design target is met.
Claims (6)
1. The utility model provides an unmanned aerial vehicle vertical tail and butt-joint structure of tail-stay, contains tail-stay and vertical tail, its characterized in that, the tail-stay contain tail-stay pole and connecting frame, the tail-stay pole be three parallel round bars, the connecting frame be three parallel triangle-shaped frame, three tail-stay poles pass through the three angle of connecting frame respectively perpendicularly, form stable triangle-shaped body tail-stay structure, the major structure of vertical tail contains parallel vertical tail front beam and vertical tail back beam, has a main stay to be connected tail-stay and vertical tail major structure in addition.
2. The docking structure for the vertical tail and the tail boom of the unmanned aerial vehicle as claimed in claim 1, wherein the main supporting rod is a round rod, one end of the main supporting rod is vertically connected to the center of the connecting frame, and the other end of the main supporting rod is vertically connected to the front beam and the rear beam of the vertical tail.
3. The docking structure of the vertical tail and the vertical tail of the unmanned aerial vehicle as claimed in claim 1 or 2, wherein the vertical tail and the vertical tail are made of composite materials.
4. The docking structure for the vertical tail and the tail boom of the unmanned aerial vehicle as claimed in claim 3, wherein a connecting flange made of a composite material is arranged between the main supporting rod and the connecting frame, the connecting flange comprises a connecting pipe and a flange edge, the connecting pipe is sleeved on the main supporting rod, and the flange edge is attached to the side surface of the connecting frame.
5. The docking structure for the vertical tail and the tail boom of the unmanned aerial vehicle as claimed in claim 3, wherein when the main supporting rod is connected to the connecting flange, a stop piece perpendicular to the supporting rod is arranged on the connecting pipe of the connecting flange.
6. The docking structure for the vertical tail and the tail boom of the unmanned aerial vehicle as claimed in claim 3, wherein a composite material joint is arranged between the main supporting rod and the front beam and the rear beam of the vertical tail, the joint is a four-way pipe structure, the transverse pipe of the four-way pipe is sleeved on the surface of the main supporting rod, and the longitudinal pipe of the four-way pipe is sleeved on the front beam or the rear beam of the vertical tail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123075463.9U CN216509009U (en) | 2021-12-08 | 2021-12-08 | Butt-joint structural of unmanned aerial vehicle vertical fin and tail boom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123075463.9U CN216509009U (en) | 2021-12-08 | 2021-12-08 | Butt-joint structural of unmanned aerial vehicle vertical fin and tail boom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216509009U true CN216509009U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123075463.9U Active CN216509009U (en) | 2021-12-08 | 2021-12-08 | Butt-joint structural of unmanned aerial vehicle vertical fin and tail boom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216509009U (en) |
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2021
- 2021-12-08 CN CN202123075463.9U patent/CN216509009U/en active Active
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