CN204433036U - Without bulge aircraft aileron structure - Google Patents

Abstract

The utility model belongs to the field of aircraft structure design and relates to the improvement of rudder surface structures such as aircraft ailerons. The aileron structure of the non-bulge aircraft includes a rudder surface, a transmission structure and a booster joint, wherein the transmission structure includes a torsion bar and a transmission corner box, and the section of the transmission corner box is composed of two parts: "[" type and arc type, Among them, the "[" structure fits and connects with the aileron front beam, the center of the arc-shaped part is concentric with the aileron shaft, the torsion bar is connected to the transmission corner box, and one end of the booster joint is coaxially connected to the torsion bar. The other end is fixed on the fuselage through bearings to form a double fulcrum beam. The rocker arm of the booster joint is connected to the booster installed inside the fuselage and is perpendicular to the torsion bar. The utility model can place the booster in the fuselage, thereby eliminating the huge booster bulge under the wing, and does not need to maintain the cover of the booster on the main wing surface of the wing, which reduces the damage of the main load-bearing structure and improves the structure. efficiency.

Description

Aircraft aileron structure without bulge

technical field

The utility model belongs to the field of aircraft structure design and relates to the improvement of movable rudder surface structures such as aircraft ailerons.

Background technique

The lift of the aircraft is provided by the wings, and the movable rudder surface of the aircraft is responsible for providing the force and moment required for the aircraft to do various maneuvers. The main function of the aileron is to provide the moment of aircraft roll through the different deflection angles of the left and right ailerons. The traditional aileron structure uses a beam-rib structure to form the aileron rudder surface, and multiple intersection points are set on the aileron spar according to the length of the aileron, and the aileron rudder surface is connected to the main airfoil through the intersection points. A booster joint is arranged below the aileron rudder surface, and the joint is connected with the booster actuator, and the purpose of deflecting the aileron rudder surface is achieved through the drive of the actuator. The booster joint that drives the rudder surface inevitably requires a certain length of the rocker arm, so it is also inevitable to form a booster bulge under the wing and aileron rudder surface. The bulge has a great influence on the aerodynamic performance of the aircraft, which leads to the loss of the aircraft in terms of fuel consumption and economy. With the requirements of the aircraft for stealth performance, the bulging appearance has increasingly become one of its main bottlenecks. For modern aircraft, the use of booster door tube separation technology can reduce the bulge to a certain extent, but it cannot completely eliminate the bulge. In addition, in the conventional structural layout, the aileron booster is generally placed in the main airfoil, so the maintenance hatch needs to be opened on the main airfoil, which inevitably destroys the main force transmission structure and reduces the structural efficiency.

Contents of the invention

The purpose of this utility model is: propose a kind of novel aileron structure that can eliminate aileron rudder surface booster bulge, needn't open booster maintenance hatch on main wing surface.

The technical solution of the utility model is: an aileron structure without a bulge, which includes a rudder surface, a transmission structure and a booster joint, wherein the transmission structure includes a torsion bar and a transmission corner box, and the section of the transmission corner box is composed of " [" type and arc type are composed of two parts, among which, the "[" type structure fits and connects with the front beam of the aileron, the center of the arc type part is concentric with the aileron shaft, and the torsion bar is connected to the transmission corner box, and at the same time It is required that the torsion bar is coaxial with the aileron shaft, one end of the booster joint is coaxially connected with the torsion bar, and the other end is fixed on the fuselage through bearings to form a double fulcrum beam. The booster is connected and perpendicular to the torsion bar.

The joint of the booster and the torsion bar are in a fit connection.

The connecting part of the rudder surface transmission corner box is provided with several reinforcing ribs for improving the structural rigidity.

The torsion bar is connected with the transmission angle box through the through bolt.

The beneficial effects of the utility model are: the aileron structure of the utility model has no bulge by installing the booster in the fuselage, and realizing the deflection operation of the aileron rudder surface through the torsion bar and the transmission angle box, eliminating the booster bulge, The aerodynamic and stealth benefits are improved, and at the same time, the booster maintenance cover on the main wing surface is canceled, the damage to the main force transmission structure is reduced, and the structural efficiency is improved, thereby bringing huge benefits in aerodynamics, safety, stealth, fuel, and economy. Moreover, a number of reinforcing ribs are arranged at the connecting part of the rudder surface transmission corner box to ensure the structural rigidity and the control efficiency of the aileron.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Figure 2 is a partially enlarged view of Figure 1;

Among them, 1-rudder surface, 2-transmission structure, 3-booster connector.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in detail.

Please refer to Fig. 1, which is a schematic diagram of the aileron structure of the utility model without a bulge. The aileron structure of the non-bulge aircraft includes a rudder surface 1, a transmission structure 2 and a booster joint 3. The overall structural shape of the rudder surface 1 is similar to that of a conventional aileron rudder, and the connecting part of the rudder surface transmission corner box is provided with several reinforcing ribs to increase the rigidity of the aileron rudder surface.

Please refer to Figure 2, which is a partial enlarged view of Figure 1, the transmission structure includes a torsion bar and a transmission corner box. Wherein, the transmission corner box is an irregular structure, and its section is composed of two parts of "[" shape and arc shape. Among them, the "[" type structure is a straight frame structure, which is fitted and connected with the aileron front spar. The two are matched with each other and have high force transmission efficiency. The center of the arc-shaped part is concentric with the aileron shaft, thereby reducing interference and improving the torsional rigidity of the transmission corner box. The torsion bar is connected to the transmission corner box through the through bolt, and the torsion bar is required to be coaxial with the aileron shaft.

One end of the booster joint is coaxially connected to the torsion bar, and the other end is fixed on the fuselage through bearings to form a double fulcrum beam to increase torsion efficiency. The booster joint rocker arm is connected to the booster installed inside the fuselage, and is perpendicular to the torsion bar to provide a rotational moment.

In actual assembly, the transmission angle box is first installed in the aileron rudder surface, and then the aileron rudder surface is installed on the main wing surface, and then the torsion bar is inserted into the transmission angle box from the fuselage, and fixed by the through bolt, and then Connect the booster joint to the torsion bar, and connect the booster rocker arm with the booster installed in the fuselage to complete the installation of the aileron.

In actual operation, the booster drives the torsion bar to rotate through the booster joint, and drives the aileron rudder surface to rotate through the transmission angle box.

Claims (4)

1. A kind of aileron structure without bulging aircraft, is characterized in that: comprise rudder surface, transmission structure, booster and booster joint, wherein, transmission structure comprises torsion bar and transmission angle box, and described transmission angle box section is by "[ ” type and arc type. Among them, the "[” type structure fits and connects with the front beam of the aileron. The center of the arc type part is concentric with the aileron shaft. The torsion bar is coaxial with the aileron shaft, one end of the booster joint is coaxially connected with the torsion bar, and the other end is fixed on the fuselage through a bearing to form a double fulcrum beam. The rocker arm of the booster joint is connected to the booster installed inside the fuselage Connected and perpendicular to the torsion bar. 2. The aileron structure of an aircraft without a bulge according to claim 1, characterized in that: the booster joint and the torsion bar are in a telescopic connection. 3. The aileron structure of an aircraft without a bulge according to claim 2, characterized in that: the connecting part of the rudder surface drive corner box is provided with several reinforcing ribs for improving structural rigidity. 4. The aileron structure for a non-bulging aircraft according to any one of claims 1 to 3, characterized in that the torsion bar is connected to the transmission angle box through a through bolt.