CN118833404A - Spin type active stability-increasing air refueling taper sleeve - Google Patents

Abstract

The present invention belongs to the technical field of aerial refueling, and particularly relates to a self-spinning active stabilization aerial refueling cone sleeve. The technical scheme is as follows: a self-spinning active stabilization aerial refueling cone sleeve comprises a cone sleeve body, at least two rotating cylinders are rotatably connected to the cone sleeve body, an offset momentum ring is connected to the rotating cylinder, the axis of the offset momentum ring and the axis of the cone sleeve body have an angle, a flight control system, an attitude sensor, and a radio high-speed data transmission system are also respectively installed on the cone sleeve body, a number of motors are installed on the cone sleeve body, and a drive assembly is connected between the output end of the motor and the rotating cylinder; the attitude sensor and the radio high-speed data transmission system are both electrically connected to the flight control system, and the flight control system is electrically connected to the motor. The present invention provides a self-spinning active stabilization aerial refueling cone sleeve, which can improve the efficiency and progress of cone sleeve docking and reduce the occurrence of accidents.

Description

A self-spinning active stabilization aerial refueling drogue

Technical Field

The invention belongs to the technical field of aerial refueling, and in particular relates to a self-spinning active stabilization aerial refueling drogue.

Background Art

The application of aerial refueling technology has increased the range of aircraft, increased efficiency and other capabilities, and made it possible to complete tasks that were previously impossible. In addition, aerial refueling technology has overturned the traditional concept of human beings on the types of missions performed by aircraft, and has given people a new understanding of the combat capability of aerial refueling aircraft to support aircraft.

For the current hose-type aerial refueling method, due to the influence of atmospheric turbulence and the head wave generated by the front body of the receiving aircraft, coupled with the flexibility of the refueling hose, the spatial position of the refueling drogue relative to the refueling aircraft cannot be fixed. Within a certain range, there is a drogue swing phenomenon caused by the hose tension and the change of the drogue attitude angle, which increases the docking time and difficulty, and has an adverse effect on the flight safety of the refueling and receiving aircraft.

At present, there are two disadvantages of soft aerial refueling:

First, due to the drogue phenomenon of the cone sleeve, the refueling docking process takes a long time;

Second, when the receiving aircraft approaches the refueling drogue, its front head wave may induce the refueling drogue to oscillate, resulting in related refueling accidents.

In order to overcome the swing of the drogue sleeve, the industry has proposed the concept of drogue sleeve stabilization, that is, to change the force on the drogue sleeve through certain control means, to ensure the stability of the position of the drogue sleeve, and to improve the docking success rate of the soft refueling system. At present, the active stabilization control of the drogue sleeve is mainly concentrated on the wing-rudder stabilization control method, that is, by adding operating control surfaces to the drogue sleeve, the swing amplitude of the drogue sleeve is controlled based on the direct force control method. However, the problems with this type of solution are: the stabilization control surfaces are directly connected to the drive servo, and the structural strength is poor. During the release and recovery process of the drogue sleeve, it is easy to collide with the tanker hatch and cause damage, and it also brings certain safety risks.

Summary of the invention

In order to solve the above-mentioned problems existing in the prior art, the purpose of the present invention is to provide a self-spinning active stabilization aerial refueling drogue, which can suppress the irregular swinging phenomenon of the hose drogue system during the aerial refueling docking process, improve the efficiency and progress of the drogue docking, and reduce the occurrence of accidents.

The technical solution adopted by the present invention is:

A self-spinning active stabilization aerial refueling drogue comprises a drogue body, at least two rotating cylinders are rotatably connected to the drogue body, an offset momentum ring is connected to the rotating cylinder, the axis of the offset momentum ring and the axis of the drogue body form an included angle, a flight control system, an attitude sensor, and a radio high-speed data transmission system are respectively mounted on the drogue body, a plurality of motors are mounted on the drogue body, a drive assembly is connected between the output end of the motor and the rotating cylinder; the attitude sensor and the radio high-speed data transmission system are both electrically connected to the flight control system, and the flight control system is electrically connected to the motor.

When the drogue sways, the attitude sensor obtains the position, speed and attitude change of the drogue, and the flight control system processes and solves and transmits the command signal to drive the motor to rotate, thereby controlling the motor output. The motor controls the rotation of the two offset momentum rings in front and behind, thereby generating a momentum moment to offset the torque generated by the hose-drogue system due to airflow disturbance, suppressing the out-of-plane and in-plane swing angles of the drogue, and realizing active swing suppression control.

With respect to the traditional aerial refueling technology, the self-spinning active stabilization aerial refueling drogue of the present invention suppresses the swing caused by atmospheric turbulence, wake flow, wingtip vortices, etc. during the aerial refueling process, so that the drogue is in a stable state during the release and recovery process, and the drogue release, docking and recovery are achieved quickly, safely and stably, thereby improving the efficiency of drogue docking and reducing the occurrence of accidents.

As a preferred solution of the present invention, the drogue body is also equipped with a battery and a power module, the battery and the power module are electrically connected, and the flight control system, the attitude sensor, the radio high-speed data transmission system and the motor are electrically connected to the power module. The battery supplies power to the flight control system, the attitude sensor, the radio high-speed data transmission system and the motor through the power module. The power module can maintain a constant voltage.

As a preferred solution of the present invention, the driving assembly includes a driving gear and an internal gear that mesh with each other, the driving gear is connected to the output end of the motor, and the internal gear is fixed to the inner wall of the rotating cylinder. The motor drives the driving gear to rotate, and the driving gear drives the internal gear to rotate, so that the rotating cylinder drives the offset momentum ring to rotate.

As a preferred solution of the present invention, the number of the motors and driving gears are eight, and one internal gear is meshed with two driving gears respectively.

As a preferred solution of the present invention, the number of rotating cylinders rotatably connected to the cone sleeve body is two.

As a preferred embodiment of the present invention, the offset momentum rings on the two rotating cylinders are tilted in opposite directions relative to the drogue body. The offset momentum rings on the two rotating cylinders are tilted in opposite directions relative to the drogue body to ensure that the aerodynamic force is zero in the initial state. The front rotating cylinder rotates counterclockwise and the rear rotating cylinder rotates clockwise with the same rotation angle, so that the offset momentum rings between the two rotating cylinders generate aerodynamic forces in the same direction to control the movement of the drogue.

As a preferred solution of the present invention, both sides of the rotating cylinder are rotatably connected to the inner ring of the cone through bearings.

As a preferred solution of the present invention, a cone cup is connected to one side of the cone sleeve body.

As a preferred solution of the present invention, one end of the cone sleeve body away from the cone cup is connected to an umbrella rib.

As a preferred solution of the present invention, an end of the rib away from the cone sleeve body is connected to an umbrella canopy.

The beneficial effects of the present invention are:

The self-spinning active stabilization aerial refueling drogue of the present invention suppresses the swing caused by atmospheric turbulence, wake flow, wingtip vortices, etc. during the aerial refueling process, so that the drogue is in a stable state during the release and recovery process, and the drogue release, docking and recovery are achieved quickly, safely and stably, thereby improving the efficiency of drogue docking and reducing the occurrence of accidents.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a schematic structural diagram of the present invention;

Fig. 2 is a cross-sectional view of the present invention;

FIG3 is a top view of a partial structure of the present invention;

FIG4 is a bottom view of a partial structure of the present invention;

Figure 5 is the motion curve of the cone sleeve in the Y direction under the uncontrolled/stabilized state;

Figure 6 is the Z-direction motion curve of the cone sleeve in the uncontrolled/augmented stability state.

In the figure: 1- cone sleeve body; 2- rotating cylinder; 3- offset momentum ring; 4- driving assembly; 5- cone cup; 6- ribs; 7- canopy; 11- flight control system; 12- attitude sensor; 13- radio high-speed data transmission system; 14- motor; 15- battery; 16- power module; 41- driving gear; 42- internal gear.

DETAILED DESCRIPTION

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention. It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other without conflict.

As shown in Figures 1 to 4, the self-spinning active stabilization aerial refueling drogue of this embodiment includes a drogue body 1, a cone cup 5 is connected to one side of the drogue body 1, an end of the drogue body 1 away from the cone cup 5 is connected to an umbrella rib 6, and an end of the umbrella rib 6 away from the drogue body 1 is connected to an umbrella canopy 7.

At least two rotating cylinders 2 are rotatably connected to the cone sleeve body 1, and an offset momentum ring 3 is connected to the rotating cylinder 2. The axis of the offset momentum ring 3 forms an angle α with the axis of the cone sleeve body 1. A flight control system 11, an attitude sensor 12, and a radio high-speed data transmission system 13 are also respectively installed on the cone sleeve body 1. A plurality of motors 14 are installed on the cone sleeve body 1, and a drive assembly 4 is connected between the output end of the motor 14 and the rotating cylinder 2; the attitude sensor 12 and the radio high-speed data transmission system 13 are both electrically connected to the flight control system 11, and the flight control system 11 is electrically connected to the motor 14.

When the drogue sways, the position, speed and attitude change of the drogue are obtained through the attitude sensor 12, and the flight control system 11 processes and solves and transmits the command signal to drive the motor 14 to rotate, thereby controlling the output of the motor 14. The motor 14 controls the rotation of the two front and rear offset momentum rings 3, thereby generating a momentum moment to offset the torque generated by the hose-drogue system due to airflow disturbance, suppressing the out-of-plane and in-plane swing angles of the drogue, and realizing active swing suppression control.

With respect to the traditional aerial refueling technology, the self-spinning active stabilization aerial refueling drogue of the present invention suppresses the swing caused by atmospheric turbulence, wake flow, wingtip vortices, etc. during the aerial refueling process, so that the drogue is in a stable state during the release and recovery process, and the drogue release, docking and recovery are achieved quickly, safely and stably, thereby improving the efficiency of drogue docking and reducing the occurrence of accidents.

Furthermore, the drogue body 1 is also equipped with a battery 15 and a power module 16, respectively, the battery 15 and the power module 16 are electrically connected, and the flight control system 11, the attitude sensor 12, the radio high-speed data transmission system 13 and the motor 14 are respectively electrically connected to the power module 16. The battery 15 supplies power to the flight control system 11, the attitude sensor 12, the radio high-speed data transmission system 13 and the motor 14 through the power module 16. The power module 16 can maintain a constant voltage.

The driving assembly 4 includes a driving gear 41 and an internal gear 42 that mesh with each other, the driving gear 41 is connected to the output end of the motor 14, and the internal gear 42 is fixed to the inner wall of the rotating cylinder 2. The motor 14 drives the driving gear 41 to rotate, and the driving gear 41 drives the internal gear 42 to rotate, so that the rotating cylinder 2 drives the offset momentum ring 3 to rotate.

In this embodiment, the number of the motors 14 and the number of the driving gears 41 are both eight, and one internal gear 42 is meshed with two driving gears 41 respectively.

It should be noted that there are two rotating cylinders 2 rotatably connected to the cone sleeve body 1. The offset momentum rings 3 on the two rotating cylinders 2 are tilted in opposite directions relative to the cone sleeve body 1. The offset momentum rings 3 on the two rotating cylinders 2 are tilted in opposite directions relative to the cone sleeve body 1 to ensure that the aerodynamic force is zero in the initial state. The front rotating cylinder 2 rotates counterclockwise and the rear rotating cylinder 2 rotates clockwise with the same rotation angle, so that the offset momentum rings 3 between the two rotating cylinders 2 generate aerodynamic forces in the same direction to control the movement of the cone sleeve.

Both sides of the rotating cylinder 2 are rotatably connected to the inner ring of the cone through bearings.

Working process:

During the aerial refueling process, the tanker reaches the predetermined flight path and releases the refueling drogue. Under the action of resistance, the canopy 7 opens and the ribs 6 also open, providing resistance to the refueling drogue and dragging it backward. During the release of the refueling drogue, the drogue sways and swings under the interference of the tanker tail vortex and atmospheric turbulence. In response to the swaying of the drogue, the position, speed and attitude change of the drogue are obtained through the attitude sensor 12. The flight control system 11 processes, solves and transmits the command signal to drive the motor 14 to rotate, thereby controlling the output of the motor 14 and controlling the rotation of the front and rear two offset momentum rings 3. The two front and rear offset momentum rings 3 rotate around their respective rotation center axes. The momentum moment generated by the rotation of the offset momentum ring 3 generates a torque in the opposite direction to the torque generated by the hose-drogue system due to airflow disturbance, thereby suppressing the drogue swaying and allowing the hose-drogue system to be stably released to a predetermined length.

During this process, the receiving aircraft follows behind. When the drogue is released to the predetermined position, the receiving aircraft accelerates to approach, and slowly approaches when reaching the area. The drogue will swing due to the interference of the receiving aircraft's head wave. In the process of the receiving aircraft extending the refueling pipe and docking with the drogue, the front and rear offset momentum rings 3 are actively controlled to rotate, suppress the swing of the drogue, and make the position and attitude of the drogue relatively fixed. At the same time, the canopy 7 and the ribs 6 guide the refueling pipe into the drogue joint to complete the docking and start aerial refueling. After completing the aerial refueling, the receiving aircraft flies away, and the refueling aircraft starts to recover the drogue. In this process, the front and rear offset momentum rings 3 are actively controlled to rotate, suppress the drogue swing and attitude angle change, and recover the drogue into the refueling aircraft to complete the entire aerial refueling process.

The present invention is applicable to aerial refueling of both manned aircraft and unmanned aircraft.

The present invention is not limited to the above-mentioned optional implementation modes. Anyone can derive other various forms of products under the inspiration of the present invention. However, no matter what changes are made in the shape or structure, all technical solutions that fall within the scope defined by the claims of the present invention fall within the protection scope of the present invention.

Claims (10)

1. A self-spinning active stabilization aerial refueling drogue, characterized in that it comprises a drogue body (1), at least two rotating cylinders (2) are rotatably connected to the drogue body (1), an offset momentum ring (3) is connected to the rotating cylinder (2), the axis of the offset momentum ring (3) and the axis of the drogue body (1) have an included angle, a flight control system (11), an attitude sensor (12), and a radio high-speed data transmission system (13) are respectively installed on the drogue body (1), a plurality of motors (14) are installed on the drogue body (1), and a drive assembly (4) is connected between the output end of the motor (14) and the rotating cylinder (2); the attitude sensor (12) and the radio high-speed data transmission system (13) are both electrically connected to the flight control system (11), and the flight control system (11) is electrically connected to the motor (14). 2. A self-spinning active stabilization aerial refueling drogue according to claim 1, characterized in that: the drogue body (1) is also equipped with a battery (15) and a power module (16), respectively, the battery (15) and the power module (16) are electrically connected, and the flight control system (11), the attitude sensor (12), the radio high-speed data transmission system (13) and the motor (14) are electrically connected to the power module (16). 3. A self-spinning active stabilization aerial refueling drogue according to claim 1, characterized in that: the driving assembly (4) comprises a driving gear (41) and an internal gear (42) meshing with each other, the driving gear (41) is connected to the output end of the motor (14), and the internal gear (42) is fixed to the inner wall of the rotating cylinder (2). 4. The self-spinning active stabilization aerial refueling drogue according to claim 3, characterized in that: the number of the motor (14) and the number of the driving gears (41) are both eight, and an internal gear (42) is meshed with two driving gears (41) respectively. 5. The self-spinning active stabilization aerial refueling drogue according to claim 1, characterized in that the number of rotating cylinders (2) rotatably connected to the drogue body (1) is two. 6. A self-spinning active stabilization aerial refueling drogue according to claim 5, characterized in that the offset momentum rings (3) on the two rotating cylinders (2) are inclined in opposite directions relative to the drogue body (1). 7. A self-spinning active stabilization aerial refueling drogue according to claim 1, characterized in that both sides of the rotating cylinder (2) are rotatably connected to the inner ring of the cone through bearings. 8. The self-spinning active stabilization aerial refueling drogue according to claim 1, characterized in that a cone cup (5) is connected to one side of the drogue body (1). 9. A self-spinning active stabilization aerial refueling drogue according to claim 8, characterized in that: an end of the drogue body (1) away from the cone cup (5) is connected to an umbrella rib (6). 10. A self-spinning active stabilization aerial refueling drogue according to claim 9, characterized in that: an end of the rib (6) away from the drogue body (1) is connected to a canopy (7).