CN203612198U

CN203612198U - Front-pull rear-push type multifunctional fixed-wing unmanned aerial vehicle

Info

Publication number: CN203612198U
Application number: CN201320689913.XU
Authority: CN
Inventors: 韦勇德; 王淳; 赵恩泽
Original assignee: GUILIN XINYING ELECTRONIC TECHNOLOGY Co Ltd
Current assignee: GUILIN XINYING ELECTRONIC TECHNOLOGY Co Ltd
Priority date: 2013-11-05
Filing date: 2013-11-05
Publication date: 2014-05-28
Anticipated expiration: 2023-11-05

Abstract

The utility model discloses a front-pull rear-push type multifunctional fixed-wing unmanned aerial vehicle. The unmanned aerial vehicle comprises an unmanned aerial vehicle body, a wing stand arranged on the vehicle body, wings as well as a parachute cabin and tail wings which are arranged at the rear part of the vehicle body, and is characterized in that the tail wings adopt H-shaped pigeon-toed tail wings, the wings are arranged on the wing stand in the front of the vehicle body, and a front-pull type propeller engine and a rear-push type propeller engine are arranged at the front end and the rear end of the wing stand in a forward rotation and a reversal rotation manner respectively. The multifunctional fixed-wing unmanned aerial vehicle can resist reaction torque of the propeller engines during long endurance, can keep consistent with the flying mean axis route of the airplane, can shoot video pictures and perform orthographic aerial shot, and has a low possibility of being affected by suspension deviation; the mounting angles of the engines are free from deviation; and the overall unmanned aerial vehicle is simple in structure and low in cost, and achieves multifunctional flight.

Description

The multi-functional fixed-wing unmanned plane of the formula of pulling in front and others push behind

Technical field

The utility model relates to fixed-wing unmanned plane, and specifically one is pulled in front and others push behind the multi-functional fixed-wing unmanned plane of formula.

Background technology

Existing fixed-wing unmanned plane adopts the airscrew engine of pull-type before separate unit or separate unit back-pushed, when airscrew engine work, can produce one with the powerful counteraction of screw propeller direction of rotation.In order to offset this counteraction; when mounted conventionally can be the axis of driving engine deflection 2-3 ° of left and right to the left or to the right; it is common line of pull adjustment; the method adjustment difficulty is large; precision is low; the inaccurate driftage phenomenon of pulling force (thrust) line producing because of watt level while very easily causing engine operation, and revolve the problems such as drift angle is excessive gathering also can cause when geography information, affect the joining quality of photo.When the front pull-type airscrew engine operation in the wild of employing, also easily damage screw propeller and driving engine, the airscrew engine of back-pushed can affect the parachute-opening of umbrella cabin, easy and umbrella rope tangle up.The limitation that above-mentioned factor has all caused separate unit airscrew engine to use, makes its repeat usage not high, and alerting ability reduces, and use cost is higher, is unfavorable for the large-area job requirements of outdoor high-intensity.

Utility model content

The purpose of this utility model is for overcoming above-mentioned deficiency, and provide a kind of in the time of long boat, can resist airscrew engine counteraction torsion, that be consistent with aircraft flight axis course line, without deflection engine installation angle degree, can capture video portrait can just penetrate and take photo by plane, be subject to the outstanding multi-functional fixed-wing unmanned plane of the less formula of pulling in front and others push behind that partially affects.

The technical scheme that realizes the object of the invention is:

One is pulled in front and others push behind the multi-functional fixed-wing unmanned plane of formula, comprise unmanned aerial vehicle body, be arranged on wing platform, the wing on fuselage and be arranged on parachute umbrella cabin, the empennage of fuselage afterbody, unlike the prior art: empennage is Eight characters empennage in H type, wing is arranged on the wing platform that is positioned at fuselage front upper place, pull-type airscrew engine and back-pushed airscrew engine before being provided with of a positive and a negative respectively in wing platform front-end and back-end.

Wing tip place at wing is provided with winglet.

Trailing edge inner side is provided with wing flap, and outside is provided with aileron.

Described wing is tapered wing, is positioned at nosing top.

The beneficial effects of the utility model are:

Twin screw driving engine, preposition airscrew engine forward, rear-mounted propeller engine inversion are installed before and after 1, on wing platform axis.A positive and a negative moment of reaction separately of having cancelled out each other, is able to aircraft on an even keel, does not need too much repeatedly to revise aileron yaw rudder and controls course, make vector more straight, revolve drift angle less, photographic images quality is higher, the side in course line declines to longitudinal lamination rate, has improved operating efficiency.Twin-engined job securities improve, even a driving engine accident extinguishing aloft, another driving engine can maintain aircraft and make a return voyage, and is even more important in dense population areas.

2, because wing and driving engine are arranged on fuselage, in cabin, equipment compartment is broad, make this machine can capture video image, also can take and just penetrate photo, the mode of taking off can adopt ejection type rolling start, and glide landing or parachute-opening landing are practical and convenient, complete machine structure is simple, cost is low, realizes high-mobility, multipurpose, wheeled vehicle flight.

Accompanying drawing explanation

Fig. 1 is the front view of the utility model unmanned plane;

Fig. 2 is the birds-eye view of Fig. 1;

Fig. 3 is the left view of Fig. 1;

Fig. 4 is the fundamental diagram of the utility model unmanned plane;

Fig. 5 is the fundamental diagram of the utility model unmanned plane;

Fig. 6 is the fundamental diagram of the utility model unmanned plane;

Fig. 7 is the fundamental diagram of the utility model unmanned plane.

In figure: 1. fuselage 2. wing 3. tailplane 4. vertical tail 5. F/F 6. rear-mounted engine 7. wing flap 8. camera 9. Aerial Electronic Equipment 10. fuel tank 11. umbrella cabin 12. main landing gear 13. nose-gear 14. winglet 15. ailerons 16. launch hook.

The specific embodiment

With reference to Fig. 1-3, the utility model one is pulled in front and others push behind the multi-functional fixed-wing unmanned plane of formula, by fuselage 1, wing 2, tailplane 3, vertical tail 4, front pull-type airscrew engine 5, back-pushed airscrew engine 6, wing flap 7, camera 8, Aerial Electronic Equipment 9, fuel tank 10, umbrella cabin 11, main landing gear 12, nose-gear 13, winglet 14, aileron 15 with launch hook 16 and form.Wing 2 is tapered wing, in the H type being made up of tailplane 3 and two vertical tail 4, the empennage of the Eight characters is positioned at fuselage 1 rear portion, wing 2 is positioned on the wing platform of fuselage 1 front upper place, wing platform leading edge is provided with front pull-type airscrew engine 5, trailing edge is provided with back-pushed airscrew engine 6, front pull-type airscrew engine 5 and back-pushed airscrew engine 6 a positive and a negative correspondences are arranged on wing platform axis, the wing tip of wing 2 is provided with winglet, in this H type, the fuselage front of the vertical tail 4 of the Eight characters is provided with parachute umbrella cabin 11, can use at any time parachute-opening function to fall umbrella or emergency landing parachute-opening.Wing 2 trailing edge inner sides are provided with wing flap 7, and outside is provided with aileron 15.

Due to pull-type airscrew engine 5 before the front end of wing 2 wing platforms is provided with a platform, when high speed operation, produce the actuation movement mode that a spiral advances, drive aircraft to move ahead, also produce a counteractive moment simultaneously.In order to offset this moment of reaction, at wing 2 wing platform trailing edges, a back-pushed airscrew engine 6 is installed, when back-pushed airscrew engine 6 and front pull-type airscrew engine 5 are worked moment rotating speed when consistent, produce the screw action power driving forwards, like this, the turn left dextrorotary flow at high speed air-flow of the high-velocity fluid air-flow to anticlockwise and the back-pushed airscrew engine 6 turning clockwises generations that produce of pull-type airscrew engine 5 is cancelled out each other, torsion is offset a positive and a negative screw propeller and is produced high speed stable turbulent airflow backward, aircraft is driven to produce the lift air-flow of stabilization at the wing 2 of fuselage 1, as shown in Figure 4.

Its complete machine adopts conventional aerodynamic arrangement, and in H type, Eight characters empennage is positioned at fuselage 1 back segment, and high stable twin-finned layout is conducive to driving engine and flows backward more smooth.Watch-dog cabin, camera compartment, electronic compartment are positioned on the cabin of wing 2 leading portions, and cabin body is empty long-pending roomy, and load is easy for installation.Tapered wing 3 is positioned at fuselage 2 leading portion tops, pull-type airscrew engine 5 and back-pushed airscrew engine 6 before each installation of front and rear edges of wing 2 wing platform tops, wing 2 wing tip places are provided with winglet 14, wing 2 trailing edge outsides are provided with aileron 15, while aloft flight, the aileron rudder face of wing 2 both sides on one side upwards on one side downwards, when differential rotation, air flows through wing 2 and produces differential pressure, the downward lift of rudder face is large, rudder face reduces to raising force, make aircraft to breakking away, for aircraft provides rolling control torque, as shown in Figure 5 on one side.

While seeing H type tail from tail direction, when two interior splayed vertical tails 4 are during to an edge run-out, owing to being subject to hydromechanical effect, produce difference of pressure, head rotates to the large one side of pressure, for aircraft airflight provides throw about.As shown in Figure 6, in like manner, tailplane 3 is under aerodynamic flowing, and deflection rudder face produces difference of pressure, and the rudder face that pressure is large produces moment, makes aircraft come back or bow, and controls the luffing of aircraft.Wing 2 inner sides are provided with wing flap 7, lower when air flow stream is crossed wing when inclined to one side speed slack-off, produce larger Pneumatic pressure, for aircraft provides extra lift, air speed also slows down, and is applicable to the landing of taking off of simple and crude place, field, as shown in Figure 7.

Owing to being this machine normal arrangement, aeroperformance is better, and first three that can adopt main landing gear 12 and nose-gear 13 put wheeled rolling start, and fuselage 1 bottom is provided with launches hook 16, adopts catapult-assisted take-off in the wild.Landing way of recycling can adopt to glide puts the traditional landing modes of wing flap to runway, also can adopt the parachuting mode of fuselage 1 umbrella cabin 11 parachute-openings behind, and applicability is strong.

In the time that the utility model need to be taken photo by plane task, at waist, camera 8 and Aerial Electronic Equipment 9 are set, as: photographic apparatus or The Cloud Terrace apparatus for making a video recording, complete the shooting task of just penetrating over the ground.

Before this machine, block without driving engine, afford a wide field of vision, for the shooting camera of preposition multiaxis The Cloud Terrace provides the stable platform away from engine vibration, provide a desirable flying platform of quick high-mobility, multipurpose, wheeled vehicle for monitoring gathers geography information.

Claims

1. pull in front and others push behind the multi-functional fixed-wing unmanned plane of formula for one kind, comprise unmanned aerial vehicle body, be arranged on wing platform, the wing on fuselage and be arranged on parachute umbrella cabin, the empennage of fuselage afterbody, it is characterized in that: empennage is Eight characters empennage in H type, wing is arranged on the wing platform that is positioned at fuselage front upper place, pull-type airscrew engine and back-pushed airscrew engine before being provided with of a positive and a negative respectively in wing platform front-end and back-end.

2. the multi-functional fixed-wing unmanned plane of formula of pulling in front and others push behind according to claim 1, is characterized in that: the wing tip place at wing is provided with winglet.

3. the multi-functional fixed-wing unmanned plane of formula of pulling in front and others push behind according to claim 1, is characterized in that: trailing edge inner side is provided with wing flap, and outside is provided with aileron.

4. the multi-functional fixed-wing unmanned plane of formula of pulling in front and others push behind according to claim 1, is characterized in that: described wing is tapered wing.