CN203439257U

CN203439257U - Unmanned helicopter

Info

Publication number: CN203439257U
Application number: CN201320481205.7U
Authority: CN
Inventors: 卫嵩
Original assignee: SHANDONG INTELLIGENT OPTICAL COMMUNICATION DEVELOPMENT Co Ltd
Current assignee: SHANDONG INTELLIGENT OPTICAL COMMUNICATION DEVELOPMENT Co Ltd
Priority date: 2013-08-07
Filing date: 2013-08-07
Publication date: 2014-02-19
Anticipated expiration: 2023-08-07

Abstract

The utility model relates to an unmanned helicopter. The unmanned helicopter comprises a body, an engine, a main shaft, a gearbox, a tail pipe, a tail shaft, a wing, a clutch, a tail boom and a tail rotor, wherein the engine is fixedly placed close to the front end of the body; an air filter of the engine faces upwards; the longitudinal axis of the engine is superposed with the longitudinal axis of the helicopter; the clutch is positioned between the engine and the gearbox; the gearbox is positioned on the body; a cross shaft is arranged in the gearbox and is connected with one end of the main shaft; the other end of the main shaft is connected with the wing; one end of the tail pipe is connected with the body and the other end of the tail pipe is connected with the tail shaft; the tail boom is fixed on the tail pipe; the tail rotor is mounted on the tail shaft. The unmanned helicopter has the benefits of reducing the weight of the unmanned helicopter and increasing the load of the unmanned helicopter.

Description

A kind of depopulated helicopter

Technical field

The utility model relates to a kind of depopulated helicopter, the field such as be applicable to transmission of video, Aerial photography, combat a natural disaster to recover.

Background technology

Unmanned plane industry development is rapid, unmanned plane market becomes more and more wide, and the people of concern is more and more, and diversified unmanned plane has given enough choices, but most unmanned plane also exists shortcoming aspect load, current domestic unmanned plane technology is still perfect not.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of depopulated helicopter, has overcome the defect of same model unmanned plane load quantity not sufficient.

The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of depopulated helicopter, comprise fuselage, driving engine, main shaft, change speed gear box, tail pipe, tailing axle, wing, power-transfer clutch, shoe, tail-rotor, near driving engine described in the front end fixed placement of described fuselage, the air filter of described driving engine is towards above, the longitudinal axis of described driving engine overlaps with the longitudinal axis of helicopter, described power-transfer clutch is between described driving engine and described change speed gear box, described change speed gear box is positioned on described fuselage, in described change speed gear box, be provided with transverse axis, described transverse axis is connected with described main shaft one end, the described main shaft other end is connected with described wing, described tail pipe one end is connected with described fuselage, the described tail pipe other end is connected with described tailing axle, described shoe is fixed on described tail pipe, described tail-rotor is arranged on described tailing axle.

Further, described change speed gear box comprises tank wall, lower tank wall, described change speed gear box profile is disc, the upper and lower two parts make-up of described change speed gear box, under described change speed gear box, the outside wall surface of tank wall is provided with projection, and on described change speed gear box, tank wall internal face is provided with groove, is placed with seal ring in groove, described lower tank wall projection is combined with upper tank wall groove, and described change speed gear box one end is provided with an oil sealing.

Further, be equipped with loose tooth cover on described transverse axis, described transverse axis one end is connected with described power-transfer clutch, and the described transverse axis other end is provided with fixture block.

Further, described main shaft lower end connects loose tooth fluted disc.

Further, the loose tooth fluted disc of the loose tooth cover on described transverse axis on described main shaft is combined.

Further, described tail pipe inside is equipped with tail transmission shaft, and described tail transmission shaft is formed by connecting multistage metal tube by cutting ferrule.

Further, described tail transmission shaft interface one end is provided with cutting ferrule, and the described tail transmission shaft other end is provided with tail transmission shaft gear, and the fixture block of transverse axis one end is stated in described card sleeve clamp residence, and the tailing axle gear of described tail transmission shaft gear on tailing axle is combined.

Further, described driving engine adopts 210CC free air capacity driving engine, and described driving engine is twin-tub, two strokes, two light-up plugs, two-carburetor engine.

The beneficial effects of the utility model are: alleviated the own wt of depopulated helicopter, increased the load of depopulated helicopter.

Accompanying drawing explanation

Fig. 1 is depopulated helicopter structural representation of the present utility model;

Fig. 2 is depopulated helicopter engine location schematic diagram of the present utility model;

Fig. 3 is depopulated helicopter main axle structure schematic diagram of the present utility model;

Fig. 4 is depopulated helicopter gearbox designs schematic diagram of the present utility model;

Fig. 5 is depopulated helicopter cross shaft structure schematic diagram of the present utility model;

Fig. 6 is depopulated helicopter tail transmission shaft structural representation of the present utility model;

Fig. 7 is depopulated helicopter trailzing axle structure schematic diagram of the present utility model;

Fig. 8 is the combination schematic diagram of depopulated helicopter fixture block of the present utility model and cutting ferrule;

In accompanying drawing, the list of parts of each label representative is as follows:

1, driving engine, 2, main shaft, 3, change speed gear box, 4, tail pipe, 5, tailing axle, 6, power-transfer clutch, 7, loose tooth fluted disc, 8, oil sealing, 9, transverse axis, 10, loose tooth cover, 11, cutting ferrule, 12, tail transmission shaft gear, 13, metal tube, 14, tailing axle gear, 15, wing, 16, alighting gear, 17, side plate, 18, shoe, 19, tail-rotor, 20, fuselage, 21, fixture block, 22, air filter, 23, gap.

The specific embodiment

Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only for explaining the utility model, is not intended to limit scope of the present utility model.

As shown in Figure 1 and Figure 2, depopulated helicopter of the present utility model comprise fuselage 20, near driving engine 1, main shaft 2, the wing 15, change speed gear box 3, tail pipe 4 and the connected tailing axle 5 that are connected with main shaft 2 upper ends, the power-transfer clutch 6 of fuselage 20 front end fixed placement, be fixed on shoe 18, tail-rotor 19 on tail pipe 4.

Described driving engine 1 is fixed on the front end of helicopter, its air filter 22 is towards above, the longitudinal axis of described driving engine overlaps with the longitudinal axis of helicopter, such fixed form makes described driving engine be positioned at front fuselage near the position of center of gravity, be conducive to the balance of aircraft and stablize, what described driving engine 1 adopted is the 210cc free air capacity driving engine with larger free air capacity, has twin-tub, two strokes, two light-up plugs, duplex carburettor, and larger load power can be provided.。

Described power-transfer clutch 6 is between driving engine 1 and change speed gear box 3, the profile feature of overlooking of described change speed gear box 3 is illustrated in figure 2 disc, described change speed gear box 3 is positioned on fuselage 20, the structure of described change speed gear box 3 as shown in Figure 4, two parts up and down of described change speed gear box 3 for can save change speed gear box 3 spaces to buckle structure, described buckle structure is comprised to tank wall on change speed gear box, tank wall under change speed gear box, under described change speed gear box, the outside wall surface of tank wall is provided with projection, described upper tank wall internal face is provided with groove, in groove, be placed with seal ring, described lower tank wall projection is combined with upper tank wall groove, the oil sealing 8 that change speed gear box rear end has a solution inner gear oil to leak, in change speed gear box 3, be also provided with the transverse axis 9 for transmission.

Transverse axis 9 one end are as shown in Figure 5 connected with power-transfer clutch 6 through change speed gear box is inner, the other end of described transverse axis 9 is connected with tail transmission shaft, the loose tooth fluted disc 7 of the loose tooth cover 10 at described transverse axis 9 middle parts and as shown in Figure 3 main shaft 2 lower ends is meshing, described main shaft 2 upper ends are connected with described wing 15, described tail pipe 4 one end are connected with described fuselage 20, described tail pipe 4 other ends are connected with the tailing axle 5 that tail-rotor 19 is installed, fuselage 20 head and the tail are installed with lateral mass 17, and lateral mass 17 lower ends are fixedly connected with the alighting gear 16 of aircraft.As shown in Figure 8, gap 23 combinations on gap 23 on the fixture block 21 of transverse axis 9 one end in change speed gear box and the cutting ferrule 11 of end, tail transmission shaft one end, the other end of described transverse axis 9 is connected with power-transfer clutch, simple directly type of drive can reduce the number of steps of speeds of interior of aircraft, increases the degree of utilization of energy.

As shown in Figure 6, tail transmission shaft comprises cutting ferrule 11, tail transmission shaft gear 12, metal tube 13, the cutting ferrule 11 of end, described tail transmission shaft one end is provided with gap 23 as shown in Figure 8, tail transmission shaft is formed by connecting by a plurality of cutting ferrules 11 by multistage metal tube 13, the outer surface cover of cutting ferrule 11 has bearing carrier ring to be used for preventing that axial all directions from rocking, the tail transmission shaft other end is provided with tail transmission shaft gear 12, tailing axle gear 14 combinations on described tail transmission shaft gear 12 and tailing axle 5 as shown in Figure 7, tailing axle 5 is connected with tail-rotor 19.One end of transverse axis 9 is connected with power-transfer clutch 6, and the other end of transverse axis 9 is provided with gap 23 combinations on the cutting ferrule 11 of fixture block 21 and end, tail transmission shaft interface one end as shown in Figure 6, and tail transmission shaft is followed transverse axis 9 and rotated.

Its working process is: operating personal passes through control system Long-distance Control depopulated helicopter on ground, driving engine 1 drives the transverse axis 9 in change speed gear box 3 to rotate, loose tooth cover 10 on transverse axis 9 and loose tooth fluted disc 7 combinations of main shaft 2 lower ends, the fixture block 21 of transverse axis 9 tail ends blocks with the cutting ferrule 11 of the tail transmission shaft of tail pipe 4 inside, the rotation of transverse axis 9 has just driven the rotation of main shaft 2 and tail transmission shaft, main shaft 2 upper ends and the wing 15 connecting band motivation wings 15 rotate helicopter flight, tail transmission shaft gear 12 on tail transmission shaft drives the tail-rotor 19 on tailing axle 5 to rotate, tail-rotor 19, wing 15, shoe 18 combineds action make helicopter smooth flight in flight course, when flight finishes, alighting gear 16 is kiss the earth first, complete the landing of aircraft.

The utility model is by changing installation site and the transformation to gearbox designs of driving engine, make aircraft smooth flight, change speed gear box adopts buckle mechanism, alleviated the deadweight of airframe structure, by simple directly connection for transmission relation between transverse axis 3, main shaft 2, tail transmission shaft and tailing axle 9, alleviated the structural weight of depopulated helicopter, the 210CC electrical motor simultaneously adopting provides very strong driving force, thereby has increased the load weight of depopulated helicopter.

In a specific embodiment, the utility model total technical index is as shown in table 1.

Table 1 total technical index

Sequence number	Title	Technical index
			1	Captain	3330mm
2	Machine is high	920mm
			3	Rotor diameter	2610mm
4	Max level speed	60km/h
			5	Practical ceiling	3000m
6	Voyage	120km
			7	Cruise duration	2h
8	Task load-carrying	15kg
			9	Working temperature range	-10℃～45℃
10	Adapt to weather	Light rain, slight snow
			11	Working relative humidity	90%RH(is when ambient temperature is 25 ℃)

The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims

1. a depopulated helicopter, it is characterized in that, comprise fuselage, driving engine, main shaft, change speed gear box, tail pipe, tailing axle, wing, power-transfer clutch, shoe, tail-rotor, near driving engine described in the front end fixed placement of described fuselage, the air filter of described driving engine is towards above, the longitudinal axis of described driving engine overlaps with the longitudinal axis of helicopter, described power-transfer clutch is between described driving engine and described change speed gear box, described change speed gear box is positioned on described fuselage, in described change speed gear box, be provided with transverse axis, described transverse axis is connected with described main shaft one end, the described main shaft other end is connected with described wing, described tail pipe one end is connected with described fuselage, the described tail pipe other end is connected with described tailing axle, described shoe is fixed on described tail pipe, described tail-rotor is arranged on described tailing axle.

2. a kind of depopulated helicopter according to claim 1, it is characterized in that, described change speed gear box comprises tank wall, lower tank wall, described change speed gear box profile is disc, the upper and lower two parts make-up of described change speed gear box, and under described change speed gear box, the outside wall surface of tank wall is provided with projection, on described change speed gear box, tank wall internal face is provided with groove, in groove, be placed with seal ring, described lower tank wall projection is combined with upper tank wall groove, and described change speed gear box one end is provided with an oil sealing.

3. a kind of depopulated helicopter according to claim 1, is characterized in that, is equipped with loose tooth cover on described transverse axis, and described transverse axis one end is connected with described power-transfer clutch, and the described transverse axis other end is provided with fixture block.

4. a kind of depopulated helicopter according to claim 1, is characterized in that, described main shaft lower end connects loose tooth fluted disc.

5. according to a kind of depopulated helicopter described in claim 3 or 4, it is characterized in that, the loose tooth fluted disc of the loose tooth cover on described transverse axis on described main shaft is combined.

6. a kind of depopulated helicopter according to claim 1, is characterized in that, described tail pipe inside is equipped with tail transmission shaft, and described tail transmission shaft is formed by connecting multistage metal tube by cutting ferrule.

7. a kind of depopulated helicopter according to claim 6, it is characterized in that, described tail transmission shaft interface one end is provided with cutting ferrule, the described tail transmission shaft other end is provided with tail transmission shaft gear, the fixture block of transverse axis one end is stated in described card sleeve clamp residence, and the tailing axle gear of described tail transmission shaft gear on tailing axle is combined.

8. a kind of depopulated helicopter according to claim 1, is characterized in that, described driving engine adopts 210CC free air capacity driving engine, and described driving engine is twin-tub, two strokes, two light-up plugs, two-carburetor engine.