CN112429198A - Small unmanned aerial vehicle type V-shaped empennage sleeve plug-in multi-degree-of-freedom locking device - Google Patents
Small unmanned aerial vehicle type V-shaped empennage sleeve plug-in multi-degree-of-freedom locking device Download PDFInfo
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- CN112429198A CN112429198A CN202011353624.3A CN202011353624A CN112429198A CN 112429198 A CN112429198 A CN 112429198A CN 202011353624 A CN202011353624 A CN 202011353624A CN 112429198 A CN112429198 A CN 112429198A
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- fin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C5/00—Stabilising surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
- B64C1/26—Attaching the wing or tail units or stabilising surfaces
Abstract
The invention relates to the technical field of tail installation for unmanned aerial vehicles, in particular to a plug-in type multi-degree-of-freedom locking device for an inverted V-shaped tail sleeve of a small unmanned aerial vehicle. The device avoids displacements parallel to the fuselage in the contact plane, perpendicular to the fuselage and torsional displacements in the contact plane. The clamping force of the tail stay bars at the two sides along the direction of the wing limits outward displacement of the V-shaped empennage along the wing, realizes self-locking of multiple degrees of freedom, and prevents the empennages at the two sides from expanding outwards or from torsional deformation in a contact surface.
Description
Technical Field
The invention relates to the technical field of tail wing installation for unmanned aerial vehicles, in particular to a plug-in type multi-degree-of-freedom locking device for an inverted V-shaped tail wing sleeve of a small unmanned aerial vehicle.
Background
The inverted V-shaped empennage has the advantages of small aerodynamic resistance, good stealth performance, light structure weight and the like, and is mainly used for aircrafts with double bodies or double-tail-support layout. The inverted V-shaped tail wing can eliminate the shielding of the wing body assembly, can provide better longitudinal and transverse course stability, and structurally, the inverted V-shaped tail wing connects the tail parts of the two machine bodies, so that the overall structural strength between the machine bodies is greatly increased.
The connection structure between the type of falling V tail wing is the key biography power part, not only will satisfy overall structure joint strength requirement, the fin installation of being convenient for again, especially to the unmanned aerial vehicle who needs interim equipment, fin connection structure's design directly influences its dismouting rapidity.
The V tail is connected together about general modes such as bolt for conventional type of falling V fin connection structure, and the dismouting is inconvenient, can't satisfy the operation requirement of the nimble quick assembly disassembly in light small-size unmanned aerial vehicle outfield.
Disclosure of Invention
The invention provides a plug-in type multi-degree-of-freedom locking device for an inverted V-shaped tail sleeve of a small unmanned aerial vehicle, aiming at the defects of the existing conventional inverted V-shaped tail connecting structure.
In order to achieve the purpose, the invention provides the following technical scheme:
small-size unmanned aerial vehicle type of falling V fin sleeve pipe plug-in multi freedom locking device, including the type of falling V fin on right side and the type of falling V fin on left side, be equipped with the outer tube on the type of falling V fin on the right side, still be equipped with the type of falling V fin terminal surface rib on the type of falling V fin on the right side, two square holes have been seted up on the type of falling V fin terminal surface rib on the right side, be equipped with the type of falling V fin terminal surface rib on the left side on the type of falling V fin, be equipped with two aluminum alloy base on the type of falling V fin terminal surface rib on the left side, the connection is equipped with interior sleeve pipe on two aluminum alloy base, interior sleeve pipe inserts the outer.
Preferably, an aluminum alloy connector is glued at one end of the inner sleeve, and the aluminum alloy connector is connected with the aluminum alloy base through an aluminum alloy connecting pin.
Preferably, the right inverted V-shaped empennage is provided with a first empennage rib plate and a second empennage rib plate.
Preferably, both ends of the outer sleeve are bonded and fixed to the first fin plate and the second fin plate.
Preferably, the right inverted-V-shaped tail wing and the left inverted-V-shaped tail wing adopt a foam-filled sandwich structure, and foam is filled in the foam-filled sandwich structure.
Preferably, the inner layer and the outer layer of the end face rib of the right inverted V-shaped empennage are 0.1mm carbon cloth, and foam is filled in the middle; the left side type empennage end face rib of the inverted V-shaped empennage is a carbon plate with the thickness of 1.5mm, and the outer layer of the left side type empennage end face rib is carbon cloth with the thickness of 0.1 mm.
Preferably, the outer sleeve is a carbon tube with the diameter of 14mm, the thickness of 1mm and the length of 200 mm; the inner sleeve is a carbon tube with the diameter of 12mm, the thickness of 1mm and the length of 200 mm.
Preferably, the square holes are respectively arranged on the end face ribs of the inverted V-shaped tail on the right side and are 57mm and 162mm away from the rear edge of the inverted V-shaped tail on the right side, the length of each square hole is 35mm, the width of each square hole is 25mm, the upper edge of each square hole is 4mm away from the upper end of the rear edge of the inverted V-shaped tail on the right side, and the inner side of each square hole is 70mm away from the inner side of each square hole.
Preferably, two aluminum alloy base set up respectively in the position of 59.5mm and 164.5mm apart from left side type of falling V fin trailing edge, aluminum alloy base length is 30mm, wide 22mm, aluminum alloy base upper edge is apart from left side type of falling V fin trailing edge upper end 5.5 mm.
Preferably, the diameter of the connecting part of the aluminum alloy joint and the inner sleeve is 11mm, the length of the connecting part is 25mm, the wall thickness of the connecting part is 2mm, and the length of the connecting part of the aluminum alloy joint and the aluminum alloy base is 11mm, and the thickness of the connecting part is 3 mm.
Compared with the prior art, the invention has the following beneficial effects:
1. the plug-in type multi-degree-of-freedom locking device for the inverted V-shaped tail wing sleeve of the small unmanned aerial vehicle meets the requirement of flexible and rapid dismounting of an outfield of a light small unmanned aerial vehicle, has a simple structure, depends on the self-locking characteristic of an inclined sleeve structure, and can realize reliable and rapid mounting of the inverted V-shaped tail wing.
2. The plug-in type multi-degree-of-freedom locking device for the inverted V-shaped tail wing sleeve of the small unmanned aerial vehicle reduces the assembling time of each part of the unmanned aerial vehicle, so that the unmanned aerial vehicle can quickly enter a working state, can simultaneously lock the degrees of freedom of the inverted V-shaped tail wing in multiple directions, and realizes the reliable and quick installation of the inverted V-shaped tail wing; the device has simple structure, can realize the parts through simple superposition combination, and has low cost.
3. The plug-in type multi-degree-of-freedom locking device for the inverted V-shaped tail wing sleeve of the small unmanned aerial vehicle is high in reliability, the 2 sleeves are arranged in front of and behind the end face of the V-shaped tail wing, so that displacement parallel to the direction of a vehicle body in a contact surface and displacement perpendicular to the direction of the vehicle body in the contact surface and torsional displacement in the contact surface can be avoided, the clamping force of the tail stay rods on the two sides in the direction of the wing enables the V-shaped tail wings on the two sides to be kept in a fit state.
4. The plug-in type multi-degree-of-freedom locking device for the inverted V-shaped empennage sleeve of the small unmanned aerial vehicle is good in stabilizing effect, the outer sleeve is fixed among the 2 wing ribs, the 2 inner sleeves are respectively inserted into the outer sleeve, stress concentration is avoided due to distributed stress, and the V-shaped connection mode can effectively prevent the inner sleeves from being separated.
Drawings
Fig. 1 is a side view of an internal structure shaft of a plug-in type multi-degree-of-freedom locking device for an inverted V-shaped tail sleeve of a small unmanned aerial vehicle, provided by an embodiment of the invention;
FIG. 2 is a side view of an outer shaft of the multiple degree of freedom locking device of FIG. 1;
FIG. 3 is a schematic view of the internal structure of a right inverted V-shaped tail wing according to an embodiment of the present invention;
FIG. 4 is a schematic view of a left inverted V-shaped tail structure provided in an embodiment of the present invention;
FIG. 5 is a schematic diagram of an inner sleeve structure provided in an embodiment of the present invention;
fig. 6 is a schematic view of an intermediate connection structure of an inverted V-shaped tail wing according to an embodiment of the present invention;
wherein: 1-right inverted V-shaped empennage, 11-first empennage rib plates, 12-second empennage rib plates, 13-outer sleeve pipes, 14-right inverted V-shaped empennage end face rib, 141-square holes, 2-left inverted V-shaped empennage, 21-left inverted V-shaped empennage end face rib, 22-aluminum alloy base, 23-inner sleeve pipes, 24-aluminum alloy connectors and 25-aluminum alloy connecting pins.
Detailed Description
The invention is described in detail below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "bottom", "inner", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In order to more clearly and specifically describe the plug-in type multi-degree-of-freedom locking device for the inverted V-shaped tail wing sleeve of the small unmanned aerial vehicle provided by the embodiment of the invention, the following description is given with reference to a specific embodiment.
Example 1
As shown in fig. 1-6, this embodiment provides a small unmanned aerial vehicle type of falling V fin sleeve pipe plug-in multi freedom locking device, including type of falling V fin 1 on the right side and type of falling V fin 2 on the left side, be equipped with outer tube 13 on the type of falling V fin 1 on the right side, still be equipped with type of falling V fin terminal surface rib 14 on the type of falling V fin 1 on the right side, two square holes 141 have been seted up on the type of falling V fin terminal surface rib 14 on the right side, be equipped with type of falling V fin terminal surface rib 21 on the left side on the type of falling V fin 2 on the left side, be equipped with two aluminum alloy base 22 on the type of falling V fin terminal surface rib 21 in the left side, aluminum alloy base 22 is connected with type of falling V fin terminal surface rib 21 in the bolt.
The two aluminum alloy bases 22 are connected with an inner sleeve 23, the inner sleeve 23 is inserted into the outer sleeve 13, and the inner sleeve 23 rotates around an aluminum alloy connecting pin 25 to a proper angle and is inserted into the outer sleeve 13.
The aluminum alloy base 22 is butted into the square hole 141.
And one end of the inner sleeve 23 is glued with an aluminum alloy connector 24, and is glued with the cylindrical surface of the aluminum alloy connector 24.
The aluminum alloy joint 24 is connected with the aluminum alloy base 22 through an aluminum alloy connecting pin 25.
The right inverted V-shaped empennage 1 is provided with a first empennage rib plate 11 and a second empennage rib plate 12, and two ends of the outer sleeve 13 are fixedly bonded on the first empennage rib plate 11 and the second empennage rib plate 12.
The right inverted V-shaped tail wing 1 and the left inverted V-shaped tail wing 2 are of sandwich structures filled with foam, and the foam is filled in the sandwich structures.
The inner layer and the outer layer of the end face rib 14 of the right inverted V-shaped empennage are 0.1mm carbon cloth, and foam is filled in the middle; the end face rib 21 of the left inverted V-shaped empennage is a carbon plate with the thickness of 1.5mm, and the outer layer of the end face rib is carbon cloth with the thickness of 0.1 mm.
The outer sleeve 13 is a carbon tube with the diameter of 14mm, the thickness of 1mm and the length of 200 mm; the inner sleeve 23 is a carbon tube with a diameter of 12mm, a thickness of 1mm and a length of 200 mm.
In this embodiment, the square hole 141 is respectively arranged on the right inverted V-shaped tail end face rib 14, and is 57mm and 162mm away from the rear edge of the right inverted V-shaped tail 1, the length of the square hole 141 is 35mm, the width of the square hole is 25mm, the upper side of the square hole 141 is 4mm away from the upper end of the rear edge of the right inverted V-shaped tail 1, and the inner side of the square hole 141 is 70mm away.
The two aluminum alloy bases 22 are respectively arranged at positions 59.5mm and 164.5mm away from the rear edge of the left inverted V-shaped tail wing 2, the length of each aluminum alloy base 22 is 30mm, the width of each aluminum alloy base 22 is 22mm, and the distance between the upper edge of each aluminum alloy base 22 and the upper end of the rear edge of the left inverted V-shaped tail wing 2 is 5.5 mm; the diameter of the connecting part of the aluminum alloy joint 24 and the inner sleeve 23 is 11mm, the length of the connecting part is 25mm, the wall thickness of the connecting part is 2mm, and the length of the connecting part of the aluminum alloy joint 24 and the aluminum alloy base 22 is 11mm, and the thickness of the connecting part is 3 mm.
In the embodiment, the left tail stay bar and the right tail stay bar exert a clamping force on the inverted V-shaped empennage along the direction of the wing, so that the inverted V-shaped empennages on the two sides are kept in a fit state. The front and rear positions of the end surface of the inverted V-shaped tail wing are respectively provided with 1 sleeve structure, so that the torsional displacement of the left and right tail wings in the contact surface can be avoided, and the sleeve and the left tail wing are in a V-shaped connection mode, so that the inner sleeve can be effectively prevented from being separated. In this embodiment 2 interior sleeve pipes adjust to the parallel state and insert 2 outer sleeves, and 2 interior sleeve pipes pass through the aluminum alloy joint and rotate around the aluminum alloy connecting pin, dock right side type of falling V fin and left side type of falling V fin to the centre, make right fin terminal surface floor and the laminating of left fin terminal surface carbon plate, and the aluminum alloy base on the left fin terminal surface carbon plate is to inserting right fin terminal surface floor square hole.
The plug-in type multi-degree-of-freedom locking device for the inverted V-shaped tail wing sleeve of the small unmanned aerial vehicle is convenient for dismounting the left inverted V-shaped tail wing and the right inverted V-shaped tail wing, greatly shortens the time for assembling airplane parts, enables the unmanned aerial vehicle to quickly enter a working state, and does not need any other tool in the assembling and disassembling processes.
In the embodiment, the tail stay rods on two sides are respectively connected with the left inverted V-shaped tail wing and the right inverted V-shaped tail wing in an adhesive mode, and after the inner sleeve is inserted into the outer sleeve, the tail stay rods are connected to the machine body through bolts. The 2 sleeves arranged in front and back of the end face of the V-shaped empennage can avoid the displacement parallel to the fuselage direction and the displacement vertical to the fuselage direction in the contact surface and the torsional displacement in the contact surface. The clamping force of the tail stay bars at the two sides along the direction of the wing ensures that the V-shaped empennages at the two sides are kept in a fit state, and the outward displacement of the V-shaped empennages along the wing is limited. The mechanism can realize self-locking of multiple degrees of freedom, and effectively prevent the tail wings on two sides from expanding outwards or from torsional deformation in a contact surface.
Claims (10)
1. Small-size unmanned aerial vehicle type of falling V fin sleeve pipe plug-in multi freedom locking device falls V type fin (1) and type fin (2) of falling V in left side including the right side, its characterized in that: be equipped with outer tube (13) on the type of falling V fin (1) on the right side, the type of falling V fin (1) on the right side still is equipped with the type of falling V fin terminal surface rib (14) on the type of falling V fin (1) on the right side, two square holes (141) have been seted up on the type of falling V fin terminal surface rib (14) on the right side, it falls type of falling V fin terminal surface rib (21) on the left side to be equipped with the left side on the type of falling V fin (2), be equipped with two aluminum alloy base (22) on the type of falling V fin terminal surface rib (21) on the left side, it is equipped with interior sleeve pipe (23) to connect on two aluminum alloy base (22), interior sleeve pipe (23) insert outer tube (.
2. The sleeve pluggable multi-degree-of-freedom locking device according to claim 1, wherein: an aluminum alloy connector (24) is glued at one end of the inner sleeve (23), and the aluminum alloy connector (24) is connected with the aluminum alloy base (22) through an aluminum alloy connecting pin (25).
3. The sleeve pluggable multi-degree-of-freedom locking device according to claim 1, wherein: the right inverted V-shaped empennage (1) is provided with a first empennage rib plate (11) and a second empennage rib plate (12).
4. The cannula plug-in multi-degree-of-freedom locking device according to claim 3, characterized in that: and two ends of the outer sleeve (13) are bonded and fixed on the first tail fin plate (11) and the second tail fin plate (12).
5. The sleeve pluggable multi-degree-of-freedom locking device according to claim 1, wherein: the right inverted V-shaped tail wing (1) and the left inverted V-shaped tail wing (2) are of sandwich structures filled with foam, and the foam is filled in the sandwich structures.
6. The sleeve pluggable multi-degree-of-freedom locking device according to claim 1, wherein: the inner layer and the outer layer of the end face rib (14) of the right inverted V-shaped empennage are 0.1mm carbon cloth, and foam is filled in the middle; the left inverted V-shaped empennage end face rib (21) is a carbon plate with the thickness of 1.5mm, and the outer layer is carbon cloth with the thickness of 0.1 mm.
7. The sleeve pluggable multi-degree-of-freedom locking device according to claim 1, wherein: the outer sleeve (13) is a carbon tube with the diameter of 14mm, the thickness of 1mm and the length of 200 mm; the inner sleeve (23) is a carbon tube with the diameter of 12mm, the thickness of 1mm and the length of 200 mm.
8. The sleeve pluggable multi-degree-of-freedom locking device according to claim 1, wherein: the square hole (141) is respectively arranged on the right side inverted V-shaped tail end face rib (14) and is 57mm and 162mm away from the right side inverted V-shaped tail (1) rear edge, the length of the square hole (141) is 35mm, the width of the square hole is 25mm, the upper edge of the square hole (141) is 4mm away from the upper end of the right side inverted V-shaped tail (1) rear edge, and the distance between the inner sides of the two square holes (141) is 70 mm.
9. The sleeve pluggable multi-degree-of-freedom locking device according to claim 1, wherein: two aluminum alloy base (22) set up respectively at distance left side type of falling V fin (2) trailing edge 59.5mm and 164.5mm position, aluminum alloy base (22) length is 30mm, wide is 22mm, aluminum alloy base (22) top edge is apart from left side type of falling V fin (2) trailing edge upper end 5.5 mm.
10. The sleeve pluggable multi-degree-of-freedom locking device according to claim 2, wherein: the diameter of the connecting part of the aluminum alloy joint (24) and the inner sleeve (23) is 11mm, the length of the connecting part is 25mm, the wall thickness of the connecting part is 2mm, and the length of the connecting part of the aluminum alloy joint and the aluminum alloy base (22) is 11mm, and the thickness of the connecting part is 3 mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011353624.3A CN112429198B (en) | 2020-11-27 | 2020-11-27 | Small unmanned aerial vehicle type V-shaped empennage sleeve plug-in multi-degree-of-freedom locking device |
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| CN202011353624.3A CN112429198B (en) | 2020-11-27 | 2020-11-27 | Small unmanned aerial vehicle type V-shaped empennage sleeve plug-in multi-degree-of-freedom locking device |
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| CN112429198A true CN112429198A (en) | 2021-03-02 |
| CN112429198B CN112429198B (en) | 2022-06-21 |
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