CN2377173Y

CN2377173Y - Dish shaped bottom rotor helicopter

Info

Publication number: CN2377173Y
Application number: CN 98212226
Authority: CN
Inventors: 刘万义
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-02-26
Filing date: 1998-02-26
Publication date: 2000-05-10
Anticipated expiration: 2008-02-26

Abstract

The utility model relates to a dish-shaped lower propeller type helicopter, and a propeller mechanism is arranged under a casing core part. An output shaft of a turbine engine is provided with propeller elevation angle regulators, a single set of propeller elevation angle regulator is an electric brush which is arranged at the outer side of the sleeve seat, the electric brush is slidingly contacted with a circular ring by a line, and an electric motor which can drive draw rods is arranged at the outer side of the sleeve seat. The draw rods are hinged with a propeller seat with a propeller together. The casing core part is provided with an air inlet duct with an air channel on-off mechanism. The lower edge of the casing is provided with a side air hole with a side air hole on-off mechanism. The circumference of the casing is distributed with lifting support cylinders uniformly. An afterbody is provided with a tail vane shaft which can rotate an empennage plate. Both sides of the casing are respectively provided with a rotation swinging wing. Compared with a same grade aircraft, the carrying capacity and the flying speed of the utility model are improved, the propeller group number can be added, and the magnitude is enlarged.

Description

Dish bottom rotor type helicopter

The utility model relates to aircraft, especially a kind of dish-shaped bottom rotor type aircraft.

The structure of current propeller type helicopter, its screw propeller all are tops of the body (shell) of installation.The weak point of this structure is that body self can produce counteraction to the merit that screw propeller is done, so in the merit that the screw propeller operation is done, to produce a part of lost work inevitably and be consumed in vain, and affect the giving full play to of economic and technical norms such as load-carrying capacity, flying speed of aircraft; Finish equal task transportation, waste a large amount of oily energy.

The purpose of this utility model is that a kind of improved dish-shaped bottom rotor type helicopter will be provided, and it can improve the load-carrying capacity and the flying speed of aircraft effectively, saves the oily energy.

The purpose of utility model is achieved in that casing heart subordinate side is equipped with propeller mechanism.This propeller mechanism is on the downward output shaft of turbine engine, is fixed with block set.Outer uniform at least 4 cover screw propeller elevation-angle regulators that are equipped with of block set along the circumferential direction.Single cover screw propeller elevation-angle regulator be electrical motor is housed outside block set, can drag pull bar transmission device, supporting the support of brush, all brushes contact insulate corresponding with it respectively and are fixed on annulus slip under the base plate.The common hinged oar seat that has screw propeller of all pull bars.Casing heart portion is shaped on the annulus tubular air inlet duct that can be communicated with the casing upper and lower, and its upper port is equipped with the drawer type air channel mechanism for opening/closing of being made up of the air channel barrier of suitable quantity, hydraulic actuating cylinder, slideway lid.Casing is the uniform crosswind mouth that has suitable quantity outside the base plate of lower edge circumferencial direction, and all crosswind mechanism for opening/closing of being made up of air port baffle plate and hydraulic actuating cylinder of independent control respectively are equipped with in its inboard.Along on the casing circumferencial direction, downward uniform 3 bearing support cylinders that rise and fall that have the landing pin that are equipped with at least.The casing afterbody uses bearing block support the tail vane axle of horizontal direction, and its outer both sides horizontal direction respectively is fixed with tail plate, drives the tail vane axle and rotates with electrical motor, transmission device.The swing wing of a symmetrical configuration is respectively adorned in the casing both sides, and the single swing wing is a wing axle of horizontal direction with bearing block support, and its outer both sides horizontal direction respectively is fixed with wing plate, drives wing axle and rotates with electrical motor, transmission device.

Advantage of the present utility model: it is compared with the aircraft with magnitude, can improve the carrying capacity and the flying speed of aircraft, and saves fuel oil; Suitably increase screw propeller group number, can enlarge the delivery magnitude of aircraft.

The concrete structure of utility model is provided by following embodiment and accompanying drawing thereof.

Fig. 1 is that a kind of dish-shaped bottom rotor type helicopter (quiescence) constitutes front view;

Fig. 2 is that the A-A of Fig. 1 is to partial enlarged drawing;

Fig. 3 is that the B-B of Fig. 2 is to section-drawing.

Below in conjunction with details and the service condition of Fig. 1～3 detailed descriptions according to the concrete device that the utility model proposes.

This device includes the conventional dish-shaped casing made from sheet metal and skeleton 2, and it is making operating console 5, base plate 6, transparent logical sequence window 7, control cabin 8, machine (being carrying, goods) logical sequence 9, protecting cover 13 and leak free logical sequence door 15 on the whole respectively.The turbine engine 14 of aviation special use, and compositions such as electrical motor, hydraulic actuating cylinder, valve, Hydraulic Pump, pipe fitting and other associated part.In addition, there is following content also to need to stress it.

It also includes casing 2 heart subordinate sides propeller mechanism is housed.This propeller mechanism is to be shaped on the output shaft 24 that stretches out downwards in the turbine engine 14 that casing heart portion is equipped with, and installs block set 26 on it.Along the circumferential direction outside block set, be laid with 4 (or 8) cover screw propeller elevation-angle regulator.Their structure is basic identical, the structure of wherein single cover screw propeller elevation-angle regulator, be electrical motor 27 to be housed outside block set and can to draw bar 28 axially movable transmission devices 29, the support 31 that is supporting brush 32 also is housed, 4 (or 8) group annulus slip 33 is fixed in 6 times insulation of base plate, all brushes contact with each root of cooresponding that group annulus slip 33 respectively, so that electrical motor 27 can be obtained power supply in output shaft 24 operation process.The all pull bar 28 common board-like oar seat 25 of a hinged square and each hinged sides, oar seat each side respectively is fixed with a screw propeller 1 on same common plane.When any one pull bar moved axially, the oar seat had been with screw propeller all can produce the corresponding elevation angle.Casing 2 heart portions are shaped on the cylindrical shape air inlet duct 10 that can be communicated with the casing upper and lower.Its upper port along the circumferential direction is equipped with 6-18 air channel barrier 11 uniformly at intervals, each baffle plate is controlled with a hydraulic actuating cylinder 12, two adjacent air channel barriers are answered upper and lower arranged in dislocation, it is equipped with the slideway lid 34 of band air channel barrier chute between two, forms the air channel mechanism for opening/closing of whole air inlet ducts 10 of drawer type.Casing 2 is the uniform crosswind mouth 21 that has suitable quantity outside the base plate 6 of lower edge circumferencial direction, within screw propeller 1 and oar seat 25 common sides.Their inboard respectively is equipped with one and is complementary with crosswind mouth size and the air port baffle plate 30 of the hinged casing in upper end, and each air port baffle plate is controlled with a hydraulic actuating cylinder 4 that is articulated in base plate 6, forms all crosswind mouth mechanism for opening/closing.Be illustrated as hydraulic actuating cylinder 4 back cavities and introduce pressure medium, with the air port flapper closure, when needs were opened, the hydraulic actuating cylinder ante-chamber was introduced pressure medium, and the piston rod reversion is then drawn to such an extent that the air port baffle plate rotates around the upper end hinge, and the crosswind mouth is opened.

This device also comprises along on the casing circumferencial direction, uniform 4 bearing support cylinders 3 that rise and fall is installed downwards, respectively is hinged with the landing pin at their piston rod front end, is intended to improve the stability to the point that lands.Support the tail vane axle 19 that is equipped with on the horizontal direction with bearing seat 18 on the base plate 6 of casing 2 afterbodys, it stretches out the outer both sides of casing, respectively is fixed with a tail plate 20 according to horizontal direction, with electrical motor 17, through transmission device 16, driving the tail vane axle can rotate, and is intended to the left and right balance of controlling aircraft.In the both sides of casing 2, the swing wing of a symmetrical configuration is housed respectively also.The structure of the single swing wing is such, the supporting of base plate 6 top chocks is equipped with horizontal direction and outwardly directed wing axle 23, it stretches out the outer both sides of casing and respectively is fixed with a wing plate 22 according to horizontal direction equally, also be to drive wing axle with electrical motor by transmission device can rotate, be intended to the anterior-posterior balance of controlling aircraft and turn heading.

Service condition is such, when taking off, opens whole air channel barriers 11 and air port baffle plate 30, starts turbine engine 14, and oar seat (containing screw propeller) 25 begins rotation, introduces air-flow, thrust directed towards ground from air inlet duct and crosswind mouth.To certain rotating speed aircraft built on stilts, bearing support cylinder 3 ante-chambers that rise and fall are introduced pressure medium its piston rod (containing the landing pin) are regained.To needs height, close air channel barrier, afterbody and contiguous relevant air port baffle plate, adjust the screw propeller elevation-angle regulator, make the oar seat have the elevation angle on the fore-and-aft direction, allow it produce thrust on working direction, realize that this device advances forward.In the time of need turning to, turn the swing wing, close relevant local draught screen plate, and change screw propeller elevation-angle regulator is assisted and withered.Aircraft when landing, open air channel barrier gradually synchronously, close whole air ports baffle plate, the oar seat transfers to horizontality, turbine engine slows down up to shutdown, the bearing support cylinder back cavity that rises and falls is introduced pressure medium, piston rod stretches out, then aircraft can be steadily, slowly landing.It is standby to close air channel barrier, power supply and region of interest.

Claims

1. dish-shaped bottom rotor type helicopter, by the dish-shaped casing (2) that is shaped on operating console (5), base plate (6), logical sequence window (7), control cabin (8), machine logical sequence (9), protecting cover (13) He Lunmen (15), turbine engine (14), electrical motor, compositions such as hydraulic actuating cylinder, valve, Hydraulic Pump and relevant pipe fitting is characterized in that:

A. propeller mechanism is equipped with in casing (2) heart subordinate side;

B. this propeller mechanism is on the downward output shaft (24) of turbine engine (14), is fixed with block set (26); Outer uniform 4 cover screw propeller elevation-angle regulators that are equipped with at least of block set along the circumferential direction; Single cover screw propeller elevation-angle regulator be electrical motor (27) is housed outside block set, can drag pull bar (28) transmission device (29), supporting the support (31) of brush (32), all brushes contact insulate corresponding with it respectively and are fixed on annulus slip (33) under the base plate; The common hinged oar seat (25) that has screw propeller (1) of all pull bars (28);

C. casing heart portion is shaped on the annulus tubular air inlet duct (10) that can be communicated with the casing upper and lower, and its upper port is equipped with the drawer type air channel mechanism for opening/closing of being made up of the air channel barrier of suitable quantity (11), hydraulic actuating cylinder (12), slideway lid (34);

D. casing uniform crosswind mouth (21) that has suitable quantity outside the base plate (6) of lower edge circumferencial direction, its inboard respectively are equipped with all crosswind mouth mechanism for opening/closing of being made up of air port baffle plate (30) and hydraulic actuating cylinder (4) of independent control;

E. along on the casing circumferencial direction, uniform 3 bearing support cylinders that rise and fall (3) that have the landing pin are housed at least downwards;

F. the casing afterbody is supporting the tail vane axle (19) of horizontal direction with bearing seat (18), and its outer both sides horizontal direction respectively is fixed with tail plate (20), drives the tail vane axle and rotates with electrical motor (17), transmission device (16);

G. the swing wing of a symmetrical configuration is respectively adorned in the casing both sides, and the single swing wing is a wing axle (23) of horizontal direction with bearing block support, and its outer both sides horizontal direction is fixed with wing plate (22), drives wing axle and rotates with electrical motor, transmission device.