CN213620263U - External umbrella bag for fixed-wing unmanned aerial vehicle - Google Patents

Abstract

The utility model discloses an external umbrella package is used to fixed wing unmanned aerial vehicle relates to unmanned aerial vehicle safety device field, and it includes the drain pan, the top of drain pan is matchd and is installed the radome fairing, just the cavity has been seted up between radome fairing and the drain pan, install safe umbrella, drum and servo steering wheel in the cavity, just the circular slot opening of drum is vertical upwards form, the bottom of drum and servo steering wheel all is fixed connection with the drain pan, just it has cup jointed piston and spring to slide in the circular slot of drum, the piston is located the top of spring, just the circular lateral wall of piston has radially seted up the round hole along it, the bayonet lock has been cup jointed in the round hole to the matching. The utility model discloses novel structure, and the device simple structure, simple operation and safe and reliable, the effectual fixed wing unmanned aerial vehicle of having solved lack the problem of the ability of saving oneself when encountering the forced landing dangerous situation.

Description

External umbrella bag for fixed-wing unmanned aerial vehicle

Technical Field

The utility model relates to an unmanned aerial vehicle safety device field especially relates to an external umbrella package is used to fixed wing unmanned aerial vehicle.

Background

The unmanned aerial vehicle is an efficient and safe flight device, plays an important role in the military and civil fields, but the safety of the unmanned aerial vehicle is only relative to unmanned driving, and with the existing unmanned aerial vehicle technology, in the process of completely autonomous flight of the unmanned aerial vehicle, the sensing, judging and reacting capabilities to the flight environment are lower than those of a pilot, especially the emergency capability to emergency situations, and when the unmanned aerial vehicle breaks down or encounters the situation that the force cannot be resisted to lose the capability of continuous flight, how to carry out forced landing to recover the loss as much as possible is very important.

The main non-two kinds of current unmanned aerial vehicle, one kind is many rotor crafts, and another kind is the fixed wing aircraft, and common unmanned aerial vehicle falls to prevent falling all adopts the form of installation parachute package on the market, but is used to rotor craft more, and its parachute package appearance design is not applicable to the fixed wing unmanned aerial vehicle of high altitude high-speed flight, consequently in order to solve above-mentioned problem, we have provided an external parachute package for fixed wing unmanned aerial vehicle.

SUMMERY OF THE UTILITY MODEL

The utility model provides an external parachute kit for fixed wing unmanned aerial vehicle has solved the problem that fixed wing unmanned aerial vehicle lacks the ability of saving oneself when meeting with forced landing dangerous situation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an external umbrella bag for a fixed wing unmanned aerial vehicle comprises a bottom shell, wherein a fairing is installed at the top end of the bottom shell in a matching manner, a cavity is formed between the fairing and the bottom shell, a safety umbrella, a cylinder and a servo steering engine are installed in the cavity, a circular groove opening of the cylinder is vertically upward, the bottom ends of the cylinder and the servo steering engine are fixedly connected with the bottom shell, a piston and a spring are sleeved in the circular groove of the cylinder in a sliding manner, the piston is located at the top end of the spring, a circular hole is formed in the circumferential side wall of the piston along the radial direction of the piston, a bayonet lock is sleeved in the circular hole in a matching manner and penetrates through the side wall of the cylinder, a pull ring is installed at the tail end of a rocker arm of the servo steering engine in a matching manner, a pull rope is wound between the pull ring and the bayonet lock, the servo steering engine is located between the cylinder and the safety, the baffle is in an inverted L shape, and the servo steering engine is sleeved in the baffle.

Preferably, a hauling rope is installed between the top end of the safety umbrella and the inner wall of the fairing in a matched mode, and two ends of the hauling rope are fixedly connected with the safety umbrella and the fairing respectively.

Preferably, the two sides of the bottom shell are provided with skirts in a matching manner, and the two groups of skirts are downward open.

Preferably, the bottom end of the bottom shell is provided with a spongy cushion in a matching manner, and the spongy cushion is positioned between the two sets of skirts.

Preferably, the top end of the cylinder is provided with a stop block in a matching manner, the stop block is horizontal, and the stop block is fixedly connected with the fairing.

Preferably, the two sides of the bottom shell are provided with the binding bands in a matching manner, and the binding bands are symmetrically distributed around the bottom shell.

The utility model has the advantages that:

1. the device fixes through the bandage wraparound fixed wing unmanned aerial vehicle fuselage to arc bottom surface through the drain pan and the fuselage radian of the compatible different fixed wing unmanned aerial vehicles of soft skid-proof foam-rubber cushion, and through shirt rim and the laminating of fixed wing unmanned aerial vehicle fuselage surface, avoid the side of drain pan and fuselage to take place to cut and rub, the device simple to operate and safe firm.

2. The device pulls out the bayonet lock from the piston through servo steering wheel drive rocking arm for the piston pushes away the one end of radome fairing from the drain pan under the promotion of spring, and through strong air current effect, the radome fairing can be taken away from the organism backward rapidly, pulls out safety umbrella from the device and expandes through the haulage rope simultaneously, makes unmanned aerial vehicle's tenesmus speed slow down, reaches the purpose of safe compelling to land.

To sum up, the device simple structure, simple operation and safe and reliable have effectually solved the problem that fixed wing unmanned aerial vehicle lacks the ability of saving oneself when meeting with the forced landing dangerous situation.

Drawings

Fig. 1 is an internal structure diagram of the present invention.

Fig. 2 is a cross-sectional view of a-a in fig. 1 according to the present invention.

Fig. 3 is an enlarged view of the structure B in fig. 1 according to the present invention.

Reference numbers in the figures: 1. a bottom case; 2. a cowling; 3. a cavity; 4. a safety umbrella; 5. a hauling rope; 6. a skirt edge; 7. a sponge cushion; 8. a stopper; 9. a cylinder; 10. a piston; 11. a spring; 12. a circular hole; 13. a bayonet lock; 14. a servo steering engine; 15. a pull ring; 16. pulling a rope; 17. a baffle plate; 18. and (4) binding the bands.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, an external umbrella bag for a fixed wing unmanned aerial vehicle comprises a bottom shell 1, a fairing 2 is installed at the top end of the bottom shell 1 in a matching manner, a cavity 3 is formed between the fairing 2 and the bottom shell 1, a safety umbrella 4, a cylinder 9 and a servo steering engine 14 are installed in the cavity 3, the circular groove opening of the cylinder 9 is vertically upward, the bottom ends of the cylinder 9 and the servo steering engine 14 are fixedly connected with the bottom shell 1, a piston 10 and a spring 11 are sleeved in the circular groove of the cylinder 9 in a sliding manner, the piston 10 is located at the top end of the spring 11, a circular hole 12 is radially formed in the circumferential side wall of the piston 10, a bayonet 13 is sleeved in the circular hole 12 in a matching manner, the bayonet 13 penetrates through the side wall of the cylinder 9, a pull ring 15 is installed at the tail end of a rocker arm of the servo steering engine 14 in a matching manner, and a pull rope 16 is wound between the, the servo steering engine 14 is positioned between the cylinder 9 and the safety umbrella 4, the servo steering engine 14 is positioned at one side close to the safety umbrella 4 and is provided with a baffle 17 in a matched mode, the baffle 17 is in an inverted L shape, the servo steering engine 14 is sleeved in the baffle 17, the traction rope 5 is arranged between the top end of the safety umbrella 4 and the inner wall of the fairing 2 in a matched mode, two ends of the traction rope 5 are fixedly connected with the safety umbrella 4 and the fairing 2 respectively, the two sides of the bottom shell 1 are provided with skirt edges 6 in a matched mode, the two sets of skirt edges 6 are in an open shape downwards, the bottom end of the bottom shell 1 is provided with a sponge cushion 7 in a matched mode, the sponge cushion 7 is positioned between the two sets of skirt edges 6, the top end of the cylinder 9 is provided with a stop block 8 in a matched mode, the stop block 8 is in a horizontal mode, the stop block 8 is fixedly connected with the fairing, and said straps 18 are symmetrically distributed with respect to the bottom shell 1.

The working principle is as follows: the device is an external additional device, can adapt to the radian of the bodies of different fixed-wing unmanned aerial vehicles by the aid of the arc-shaped bottom surface of the bottom shell 1 and the soft anti-skid spongy cushion 7, is fixed by being wound around the bodies of the fixed-wing unmanned aerial vehicles through the binding bands 18, is attached to the surfaces of the bodies of the fixed-wing unmanned aerial vehicles through the skirt edges 6, avoids the side edges of the bottom shell 1 from rubbing against the bodies, is arranged at the top end of the bodies of the fixed-wing unmanned aerial vehicles and adjusted to a proper position along the length direction of the bodies of the unmanned aerial vehicles, so that the falling attitude of the fixed-wing unmanned aerial vehicles can be controlled through the gravity center of the unmanned aerial vehicles relative to the device after parachute opening, and when dangerous situations such as severe vibration, spiral, runaway, sudden speed increase and sudden reduction occur to the fixed-wing unmanned aerial vehicles, a signal can be sent to the servo steering engine 14 of the device by flight control (or through manual control when conditions permit), at this moment, the piston 10 rapidly pops out the cylinder 9 under the promotion of the spring 11, pushes the stopper 8 through the piston 10 to push away the one end of the fairing 2 from the bottom shell 1, at this moment, under the effect of strong air current, the fairing can be rapidly taken away from the organism backward, and simultaneously the safety umbrella 4 is pulled out from the device through the haulage rope 5, and is unfolded, so that the dropping speed of the unmanned aerial vehicle is slowed down, and the purpose of safe forced landing is achieved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. An external umbrella bag for a fixed wing unmanned aerial vehicle comprises a bottom shell (1) and is characterized in that a fairing (2) is installed at the top end of the bottom shell (1) in a matched mode, a cavity (3) is formed between the fairing (2) and the bottom shell (1), a safety umbrella (4), a cylinder (9) and a servo steering engine (14) are installed in the cavity (3), a circular groove opening of the cylinder (9) is vertically upward, the bottom ends of the cylinder (9) and the servo steering engine (14) are fixedly connected with the bottom shell (1), a piston (10) and a spring (11) are sleeved in the circular groove of the cylinder (9) in a sliding mode, the piston (10) is located at the top end of the spring (11), a circular hole (12) is formed in the circumferential side wall of the piston (10) along the radial direction of the piston, a clamping pin (13) is sleeved in the circular hole (12) in a matched mode, and the clamping pin (13) penetrates through the side wall of the cylinder (, the tail end of a rocker arm of the servo steering engine (14) is matched with a pull ring (15), a pull rope (16) is connected between the pull ring (15) and a clamping pin (13) in a matched and winding mode, the servo steering engine (14) is located between a cylinder (9) and a safety umbrella (4), a baffle (17) is arranged on one side, close to the safety umbrella (4), of the servo steering engine (14) in a matched mode, the baffle (17) is in an inverted L shape, and the servo steering engine (14) is sleeved in the baffle (17).

2. The external umbrella pack for the fixed-wing unmanned aerial vehicle as claimed in claim 1, wherein a hauling rope (5) is installed between the top end of the safety umbrella (4) and the inner wall of the fairing (2) in a matching manner, and two ends of the hauling rope (5) are respectively and fixedly connected with the safety umbrella (4) and the fairing (2).

3. The external umbrella pack for the fixed-wing unmanned aerial vehicle as claimed in claim 1, wherein two sides of the bottom case (1) are provided with skirts (6) in a matching manner, and two groups of skirts (6) are downward open.

4. The external umbrella bag for the fixed-wing unmanned aerial vehicle as claimed in claim 1, wherein a sponge pad (7) is fittingly installed at the bottom end of the bottom case (1), and the sponge pad (7) is located between the two sets of skirts (6).

5. The external umbrella pack for the fixed-wing unmanned aerial vehicle as claimed in claim 1, wherein the top end of the cylinder (9) is provided with a stopper (8) in a matching manner, the stopper (8) is horizontal, and the stopper (8) is fixedly connected with the fairing (2).

6. The external umbrella pack for the fixed-wing unmanned aerial vehicle as claimed in claim 1, wherein the straps (18) are arranged on both sides of the bottom case (1) in a matching manner, and the straps (18) are symmetrically distributed around the bottom case (1).

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