CN220721424U - Unmanned aerial vehicle vertical fin owner biography power structure and vertical fin - Google Patents
Unmanned aerial vehicle vertical fin owner biography power structure and vertical fin Download PDFInfo
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- CN220721424U CN220721424U CN202322519568.1U CN202322519568U CN220721424U CN 220721424 U CN220721424 U CN 220721424U CN 202322519568 U CN202322519568 U CN 202322519568U CN 220721424 U CN220721424 U CN 220721424U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 238000009434 installation Methods 0.000 claims abstract description 8
- 239000002131 composite material Substances 0.000 claims description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 5
- 238000004026 adhesive bonding Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000005452 bending Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 8
- 238000010008 shearing Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model discloses a vertical tail main force transmission structure and a vertical tail of an unmanned aerial vehicle, which relate to the technical field of unmanned aerial vehicles and have the technical scheme that: including left skin, right skin and perpendicular to the tail main structure, perpendicular to the tail main structure is connected between left skin and right skin, and perpendicular to the tail main structure includes: the vertical tail box section, the vertical tail girder, the vertical tail rear wall, the side end rib, the tail support adapter and the horizontal tail installation lug seat are detachably connected to the top end, the tail end, the side surface and the front end of the vertical tail box section respectively, and the horizontal tail installation lug seat is detachably connected to the side end rib. The vertical tail main force transmission structure and the vertical tail force transmission structure of the unmanned aerial vehicle are clear and efficient, simple and reliable in connection, small in number of parts, light in weight of the whole structure, simple in production process and low in production cost.
Description
Technical Field
The utility model relates to the technical field of unmanned aerial vehicles, in particular to a vertical tail main force transmission structure and a vertical tail of an unmanned aerial vehicle.
Background
For a double-tail-support layout aircraft, the vertical tail is a key component for connecting the tail support and the horizontal tail, the vertical tail structure is required to transfer the horizontal tail load and the vertical tail load to the tail support, and the stress working condition of the vertical tail root part is complex. The traditional vertical fin main bearing structure of the unmanned aerial vehicle adopts the structural form of a beam, a supporting pipe, a frame and a rib, wherein the beam, the supporting pipe and the rib are connected by a specific joint which is required to be designed, the integral connection and the force transmission are complex, the number of parts is large, and the structural weight and the process complexity are large. The utility model mainly explores a vertical tail structure form with simple and efficient force transmission and light weight.
Patent CN 114408160A provides a vertical tail structure, in which the tail stay tube and tail fin connecting section is divided into two sections of connecting section and gradually-retracted section, and the connecting section is used for connecting with the vertical tail beam; the diameter of the gradually-folded section gradually becomes smaller along the direction from the separation rear end to the tail end in the pipe, and the tail support pipe is contacted and matched with the tail wing by the inclined surface of the gradually-folded section; the sleeve is connected with the beam through a sleeve joint, and the gradual-contraction section sleeve is provided with an auxiliary supporting frame for skin support and dimension and is connected with the vertical tail root rib. The vertical load of the structural form is mainly transferred to the tail boom through the sleeve joint, and the strength and the processing requirement of the sleeve joint are increased. The number of the whole connecting parts is large, the connection is complex, and the structure is heavy; and secondly, the tail support pipe divided into two sections has a complex structure and high process complexity.
The vertical tail structure described in patent CN 216509009U is still a traditional combined structure form of beam, supporting tube, frame and rib, its tail support is formed from three parallel round bars and tail support frame to form a triangular tail support structure, and a supporting tube is inserted in the middle of the tail support, and is connected with the tail support frame by means of flange-shaped joint, and backward connected with vertical tail main beam by means of joint of a round tube-square tube. When the vertical fin bears side load, bending moment generated at the root is mainly transmitted to the fin through the joint of the round tube square tube and the flange-shaped joint. The structural form has higher strength and processing requirements on the joint; and secondly, the number of parts is large, the structure which needs to be matched and positioned is large, the structure is heavy, and the production process is complex.
Disclosure of Invention
The utility model aims to solve the problems and provide the main force transmission structure of the vertical tail of the unmanned aerial vehicle and the vertical tail, which have the advantages of clear and efficient force transmission, simple and reliable connection, less number of parts and light weight of the whole structure.
The technical aim of the utility model is realized by the following technical scheme: including left skin, right skin and vertical fin main structure, the vertical fin main structure connect in left skin with between the right skin, the vertical fin main structure includes: the vertical tail box section, the vertical tail girder, the vertical tail back wall, the side end rib, the tail support adapter and the horizontal tail installation lug seat, the vertical tail girder the vertical tail back wall the side end rib with the tail support adapter can be dismantled respectively connect in the top, tail end, side and the front end of vertical tail box section, the horizontal tail installation lug seat can dismantle connect in the side end rib.
By adopting the technical scheme, the vertical tail box section is arranged in the intersection area of the vertical tail, the horizontal tail and the tail support, is conformal with the skin, maximally utilizes the thickness space of the vertical tail, and improves the integral bending resistance and torsional rigidity of the vertical tail. The vertical tail main beam is arranged on the vertical tail type maximum height point connecting line, so that the bending resistance and the force transmission efficiency of the main beam are improved; the vertical tail rear wall is arranged at the rear edge of the vertical tail and is glued with the vertical tail box section to form a main structure of a vertical tail closed chamber, and meanwhile, part of vertical tail bending moment and shearing force are shared; the upper end face and the lower end face of the vertical tail are respectively provided with an upper end rib and a lower end rib, and are connected with the vertical tail main beam or the vertical tail rear wall to form and seal the skin.
The utility model is further provided with: the top, tail, front and side of the vertical tail box section are respectively provided with a first bonding area, a second bonding area, a first opening and a second opening, the right skin is provided with a third opening, and the third opening and the second opening follow the shape.
The utility model is further provided with: the vertical girder adopts a structural form of a C-shaped girder, the whole vertical girder is L-shaped, and the root web plate of the vertical girder is bent and transited to be parallel to the top surface of the vertical box section; the edge strips of the vertical-tail main beams are bent and transited along with the web plates and are conformal with the first bonding areas; and the web plate and the edge strip at the root of the vertical-tail main beam are both glued to the first bonding area.
By adopting the technical scheme, the vertical-tail main beam integrally adopts the structural form of the C-shaped beam, so that the traditional corner box or corner piece connection form is canceled for reducing connecting pieces, and the gluing form is adopted; the web plate and the edge strip at the root of the steel plate are bonded with the vertical-end box section, and the bending and torsion loads of the C-shaped beam can be efficiently transferred to the vertical-end box section, so that the steel plate can effectively replace the connection form of the corner box or the corner piece, and the structural weight is reduced.
The utility model is further provided with: the vertical tail rear wall adopts a structural form of a C-shaped beam, and a web plate and a rim strip at the root of the vertical tail rear wall are both glued to the second bonding area.
By adopting the technical scheme, the vertical tail back wall shares a part of bending moment and shearing force of the vertical tail, and the bonding area of the vertical tail main beam and the bonding area of the vertical tail back wall are designed with larger area so as to improve bonding strength.
The utility model is further provided with: the tail stay adapter and the side end ribs are respectively fixed in the first opening and the second opening in a mode of gluing and riveting.
The utility model is further provided with: the horizontal tail installation lug seat is fixedly connected to the side end rib by bolts.
By adopting the technical scheme, the tail support adapter is bonded and riveted with the front end of the vertical tail box section for load transmission from the vertical tail to the tail support; the side end rib is arranged at the vertical-fin separating surface and integrally glued and riveted with the side end of the vertical-fin box section, and the horizontal-fin mounting lug seat is arranged on the side end rib and used for load transmission from the horizontal fin to the vertical fin.
The utility model is further provided with: the bottom of the vertical tail box section is provided with a lower end rib, and the vertical tail rear wall and the vertical tail box section are both glued to the lower end rib.
By adopting the technical scheme, the upper end rib and the lower end rib of the vertical tail are used for skin dimension and vertical tail sealing, and simultaneously, two hanging points of the rudder are respectively arranged on the upper end rib and the lower end rib. And an equipment supporting rib is arranged in the middle section of the vertical tail and used for installing a steering engine and maintaining the shape of the skin.
The utility model is further provided with: the top end of the vertical tail main beam is provided with an upper end rib, and the vertical tail rear wall and the top end of the main beam are glued to the upper end rib; and equipment supporting ribs are arranged between the upper end ribs and the vertical tail box sections, and the middle parts of the vertical tail rear wall and the vertical tail main beam are glued to the equipment supporting ribs.
By adopting the technical scheme, the glue joint process is adopted between the vertical tail parts, so that the number of standard parts is reduced, and the weight of the structure is reduced; the design of two openings of the vertical tail box section provides an operation space for a composite material vacuum bag press forming process, and the vertical tail box section adopts vacuum bag press integral forming to improve strength and rigidity, reduce structural weight and reduce process difficulty and production cost.
The utility model is further provided with: the left skin, the right skin and the vertical fin main structure are integrally bonded and formed.
By adopting the technical scheme, the structural form of the closed box body determines that the vertical tail box section has higher specific stiffness.
The utility model is further provided with: the tail support adapter, the side end ribs and the horizontal tail mounting lug seat are all of high-strength aluminum alloy material structures; the left skin, the right skin, the vertical tail box section, the vertical tail main beam, the vertical tail rear wall, the lower end rib, the equipment supporting rib and the upper end rib are all of composite material structures.
By adopting the technical scheme, except that the joint for transmitting the concentrated load is made of high-strength aluminum alloy materials, the rest parts are all of a composite material structure, and the structure is light in weight.
In summary, the utility model has the following beneficial effects:
the vertical tail box section is arranged in the intersection area of the vertical tail, the horizontal tail and the tail support, is conformal with the skin, maximally utilizes the thickness space of the vertical tail, and improves the integral bending resistance and torsional rigidity of the vertical tail; the tail support adapter is in adhesive joint and riveting with the front end of the vertical tail box section and is used for load transmission from the vertical tail to the tail support; the horizontal tail separating surface is provided with a side end rib which is integrally glued and riveted with the side end of the vertical tail box section, and a horizontal tail mounting lug seat is arranged on the side end rib and used for load transmission from the horizontal tail to the vertical tail;
the vertical main beam integrally adopts a structural form of a C-shaped beam, so that a traditional corner box or corner piece connecting form is canceled for reducing connecting pieces, and a cementing form is adopted; the web plate and the edge strip at the root of the steel plate are bonded with the vertical-end box section, so that the bending and torsion loads of the C-shaped beam can be efficiently transferred to the vertical-end box section, the connection form of the corner box or the corner piece can be effectively replaced, and the structural weight is reduced;
the vertical tail back wall shares a part of bending moment and shearing force of the vertical tail, the bonding area of the vertical tail main beam and the bonding area of the vertical tail back wall are designed with larger areas so as to improve bonding strength, and a bonding process is adopted between vertical tail parts, so that the number of standard parts is reduced, and the structural weight is reduced; the design of two openings of the vertical tail box section provides an operation space for a composite material vacuum bag press forming process, and the vertical tail box section adopts vacuum bag press integral forming, so that the strength and the rigidity can be improved, the structure weight can be reduced, and the process difficulty and the production cost can be reduced;
the vertical tail box section adopts the structure form of the closed box body to determine that the vertical tail box section has higher specific stiffness; except that the joint for transmitting the concentrated load is made of high-strength aluminum alloy materials, the rest parts are all of composite material structures, and the structure is light in weight.
Drawings
FIG. 1 is an exploded view of a vertical tail main structure in an embodiment of the utility model;
FIG. 2 is a schematic view of the whole vertical tail main structure in an embodiment of the utility model;
FIG. 3 is an integrally formed composite vertical fin box section in an embodiment of the utility model.
In the figure: 1. a left skin; 2. a right skin; 201. a third opening; 3. a vertical tail box section; 301. a first bonding region; 302. a second bonding region; 303. a first opening; 304. a second opening; 4. a vertical tail girder; 5. a vertical tail rear wall; 6. a lower end rib; 7. side end ribs; 8. an equipment support rib; 9. an upper end rib; 10. a tail boom adapter; 11. and the ear seat is arranged at the horizontal tail.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, wherein it is to be understood that the illustrated embodiments are merely exemplary of some, but not all, of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The present utility model will be described in detail with reference to examples.
Examples:
as shown in fig. 1 to 3, an unmanned aerial vehicle vertical fin owner power transmission structure and vertical fin, including left skin 1, right skin 2 and vertical fin owner structure, vertical fin owner structure connects between left skin 1 and right skin 2, and vertical fin owner structure includes: the vertical tail box section 3, the vertical tail main beam 4, the vertical tail rear wall 5, the side end ribs 7, the tail support adapter 10 and the horizontal tail mounting lug seat 11; the top end, the tail end, the front end and the side surfaces of the vertical tail box section 3 are respectively provided with a first bonding area 301, a second bonding area 302, a first opening 303 and a second opening 304, the right skin 2 is provided with a third opening 201, and the third opening 201 and the second opening 304 are conformal; the vertical girder 4 adopts a structure form of a C-shaped girder, the whole vertical girder 4 is L-shaped, and the root web plate of the vertical girder 4 is bent and transited to be parallel to the top surface of the vertical box section 3; the edge strips of the vertical-tail main beam 4 are bent and transited along with the web plates and are conformal with the first bonding area 301; the web plate and the edge strip at the root of the vertical-tail main beam 4 are glued to the first bonding area 301; the vertical tail rear wall 5 adopts a C-shaped beam structure, and a web plate and a rim strip at the root of the vertical tail rear wall 5 are glued to the second bonding area 302; the tail boom adapter 10 and the side end rib 7 are respectively fixed in the first opening 303 and the second opening 304 in a manner of gluing and riveting; the horizontal tail mounting lug seat 11 is fixedly connected to the side end rib 7 by adopting a bolt; the bottom of the vertical tail box section 3 is provided with a lower end rib 6, and the bottom of the vertical tail rear wall 5 and the bottom of the vertical tail box section 3 are glued to the lower end rib 6; the top end of the vertical-tail main beam 4 is provided with an upper end rib 9, and the top ends of the vertical-tail rear wall 5 and the main beam 4 are glued to the upper end rib 9; an equipment supporting rib 8 is arranged between the upper end rib 9 and the vertical tail box section 3, and the middle parts of the vertical tail rear wall 5 and the vertical tail main beam 4 are glued to the equipment supporting rib 8; the left skin 1, the right skin 2 and the vertical tail main structure are integrally bonded and formed; the tail support adapter 10, the side end ribs 7 and the horizontal tail mounting lug seat 11 are all of high-strength aluminum alloy material structures; the left skin 1, the right skin 2, the vertical tail box section 3, the vertical tail main beam 4, the vertical tail rear wall 5, the lower end rib 6, the equipment supporting rib 8 and the upper end rib 9 are all of composite material structures.
Working principle: the tail support adapter 10 is in glued joint and riveted joint with the front end of the vertical tail box section 3 and is used for load transmission from the vertical tail to the tail support; the side end rib 7 is arranged at the vertical-fin separating surface and is integrally glued and riveted with the side end of the vertical-fin box section 3, and the horizontal-fin mounting lug seat 11 is mounted on the side end rib 7 and is used for load transmission from the horizontal fin to the vertical fin; the vertical tail box section 3 is arranged in the intersection area of the vertical tail, the horizontal tail and the tail support, is conformal with the skin, and maximizes the utilization of the vertical tail thickness space and improves the integral bending resistance and torsional rigidity of the vertical tail. The vertical main beam 4 is arranged on the connecting line of the maximum height point of the vertical box section 3, so that the bending resistance and the force transmission efficiency of the main beam are improved; the vertical tail rear wall 5 is arranged at the rear edge of the vertical tail box section 3 and is glued with the vertical tail box section 3 to form a main structure of a vertical tail closed chamber, and meanwhile, part of vertical tail bending moment and shearing force are shared; the vertical tail upper end rib 9 and the lower end rib 6 are used for skin dimension and vertical tail sealing, and two hanging points of the rudder are respectively arranged on the upper end rib and the lower end rib; and an equipment supporting rib 8 is arranged in the middle section of the vertical tail and is used for installing a steering engine and maintaining the shape of the skin.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
Claims (10)
1. Unmanned aerial vehicle vertical fin owner biography power structure and vertical fin, its characterized in that: including left skin (1), right skin (2) and perpendicular to the tail main structure, perpendicular to the tail main structure connect in left skin (1) with between right skin (2), perpendicular to the tail main structure includes: the vertical tail box section (3), the vertical tail main beam (4), the vertical tail rear wall (5), the side end rib (7), the tail support adapter (10) and the horizontal tail installation lug seat (11), the vertical tail main beam (4) the vertical tail rear wall (5), the side end rib (7) and the tail support adapter (10) are respectively detachably connected to the top end, the tail end, the side surface and the front end of the vertical tail box section (3), and the horizontal tail installation lug seat (11) is detachably connected to the side end rib (7).
2. The unmanned aerial vehicle vertical fin main force transmission structure and vertical fin according to claim 1, wherein: the top, the tail, the front end and the side of the vertical tail box section (3) are respectively provided with a first bonding area (301), a second bonding area (302), a first opening (303) and a second opening (304), the right skin (2) is provided with a third opening (201), and the third opening (201) and the second opening (304) are conformal.
3. The unmanned aerial vehicle vertical fin main force transmission structure and vertical fin according to claim 2, wherein: the vertical girder (4) adopts a structure form of a C-shaped girder, the whole vertical girder (4) is L-shaped, and a root web plate of the vertical girder (4) is bent and transited to be parallel to the top surface of the vertical box section (3); the edge strips of the vertical-tail main beams (4) are bent and transited along with the web plates and form along with the first bonding areas (301); the web plate and the edge strip at the root of the vertical main girder (4) are both glued to the first bonding area (301).
4. The unmanned aerial vehicle vertical fin main force transmission structure and vertical fin according to claim 2, wherein: the vertical tail rear wall (5) adopts a structural form of a C-shaped beam, and a web plate and a rim strip at the root of the vertical tail rear wall (5) are both glued to the second bonding area (302).
5. The unmanned aerial vehicle vertical fin main force transmission structure and vertical fin according to claim 2, wherein: the tail stay adapter (10) and the side end ribs (7) are respectively fixed in the first opening (303) and the second opening (304) in a mode of gluing and riveting.
6. The unmanned aerial vehicle vertical fin main force transmission structure and vertical fin according to claim 1, wherein: the horizontal tail mounting lug seat (11) is fixedly connected to the side end rib (7) through bolts.
7. The unmanned aerial vehicle vertical fin main force transmission structure and vertical fin according to claim 1, wherein: the bottom of the vertical tail box section (3) is provided with a lower end rib (6), and the bottom of the vertical tail rear wall (5) and the bottom of the vertical tail box section (3) are both glued to the lower end rib (6).
8. The unmanned aerial vehicle vertical fin main force transmission structure and vertical fin according to claim 7, wherein: the top end of the vertical main beam (4) is provided with an upper end rib (9), and the top ends of the vertical rear wall (5) and the main beam (4) are both glued to the upper end rib (9); the device is characterized in that equipment supporting ribs (8) are arranged between the upper end ribs (9) and the vertical tail box section (3), and the middle parts of the vertical tail rear wall (5) and the vertical tail main beam (4) are glued to the equipment supporting ribs (8).
9. The unmanned aerial vehicle vertical fin main force transmission structure and vertical fin according to claim 1, wherein: the left skin (1), the right skin (2) and the vertical tail main structure are integrally bonded and formed.
10. The unmanned aerial vehicle vertical fin main force transmission structure and vertical fin according to claim 8, wherein: the tail support adapter (10), the side end ribs (7) and the horizontal tail installation lug seat (11) are all of high-strength aluminum alloy material structures; the left skin (1), the right skin (2), the vertical tail box section (3), the vertical tail girder (4), the vertical tail rear wall (5), the lower end rib (6), the equipment support rib (8) and the upper end rib (9) are all composite structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322519568.1U CN220721424U (en) | 2023-09-18 | 2023-09-18 | Unmanned aerial vehicle vertical fin owner biography power structure and vertical fin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322519568.1U CN220721424U (en) | 2023-09-18 | 2023-09-18 | Unmanned aerial vehicle vertical fin owner biography power structure and vertical fin |
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| Publication Number | Publication Date |
|---|---|
| CN220721424U true CN220721424U (en) | 2024-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322519568.1U Active CN220721424U (en) | 2023-09-18 | 2023-09-18 | Unmanned aerial vehicle vertical fin owner biography power structure and vertical fin |
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| Country | Link |
|---|---|
| CN (1) | CN220721424U (en) |
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2023
- 2023-09-18 CN CN202322519568.1U patent/CN220721424U/en active Active
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