CN108548649B - Single-channel aerodynamic loading test system for single-pendulum vector nozzle - Google Patents

Abstract

The present disclosure provides a single-channel aerodynamic loading test system for a single pendulum vectoring nozzle, comprising: a loading connecting part, which is connected to the vectoring nozzle; a loading device, which is connected to the loading connecting part to realize aerodynamic loading of the vectoring nozzle; A device support is connected with the loading device to support the loading device; and a vectoring nozzle mounting device is used for installing the vectoring nozzle.

Description

Single-channel aerodynamic loading test system for single-pendulum vector nozzle

technical field

The present disclosure relates to a single-channel aerodynamic loading test system for a single-pendulum vector nozzle.

Background technique

During the flight of the aircraft, the vector nozzle needs to undertake various functions such as pushing, turning, and attitude adjustment. If the vector nozzle has design or control defects, it is easy to cause flight accidents. Therefore, the load simulation test of the vector nozzle is particularly important in the process of aircraft design.

The vector nozzle loading has many requirements in terms of loading method, load size and load manifestation form. Therefore, the selection of the loading mechanism, the fixing method of the loading channel and the connection form with the rudder surface have become the key to building different load simulation platforms.

It is imperative to design a new load simulator loading structure that can not only meet the technical indicators of the steering gear loading test, but also facilitate adjustment, maintenance and replacement.

SUMMARY OF THE INVENTION

In order to solve at least one of the above technical problems, the present disclosure provides a single-channel aerodynamic loading test system for a single-pendulum vectoring nozzle.

According to one aspect of the present disclosure, a single-channel aerodynamic loading test system for a single pendulum vectoring nozzle includes:

Load the connection part and connect the vector nozzle;

The loading device is connected with the loading connection part to realize the aerodynamic loading of the vector nozzle;

a loading device support connected to the loading device to support the loading device; and

Vector nozzle mounting device for installing vector nozzles.

According to at least one embodiment of the present disclosure, the loading test system further includes a stage body, the vector nozzle installation device is disposed on the top surface of the stage body, and the bottom surface of the stage body is fixedly connected to the ground.

According to at least one embodiment of the present disclosure, the top surface of the table body is provided with a T-shaped groove, the vector nozzle installation device is installed in the T-shaped groove, and the vector nozzle installation device is moved along the T-shaped groove to adjust the vector The location of the nozzle mounting device.

According to at least one embodiment of the present disclosure, when the vector nozzle installation device is moved to a predetermined position of the T-shaped groove, it is fixed by a T-shaped bolt.

According to at least one embodiment of the present disclosure, it is characterized in that the support of the loading device is fixedly connected with the top surface of the table body.

According to at least one embodiment of the present disclosure, the heights of the loading device and the loading connection are adjusted by the loading device support.

According to at least one embodiment of the present disclosure, the vectoring nozzle mounting device is used to uniaxially swing the vectoring nozzle.

According to at least one embodiment of the present disclosure, the loading test system further includes a servo control device that servo-controls the vectoring nozzle and is connected to the vectoring nozzle mounting device.

In at least one embodiment according to the present disclosure, the loading device is hinged to the loading device mount and the servo control device is hinged to the vectoring nozzle mounting device; and the loading device is hinged to the loading connection and the servo control is hinged to the loading connection.

According to at least one embodiment of the present disclosure, by adjusting the position of the support of the loading device, the loading force generated by the loading device and the control force generated by the servo control device are in the same plane.

Description of drawings

The accompanying drawings illustrate exemplary embodiments of the present disclosure and, together with the description, serve to explain the principles of the present disclosure, are included to provide a further understanding of the disclosure, and are incorporated in and constitute the present specification part of the manual.

1 is a schematic diagram of a loading structure of a single-channel aerodynamic loading test system for a single-pendulum vectoring nozzle according to an embodiment of the present disclosure.

2 is a schematic structural diagram of a single-channel aerodynamic loading test system for a single-pendulum vectoring nozzle according to an embodiment of the present disclosure.

3 is a schematic diagram of a loading channel according to one embodiment of the present disclosure.

Detailed ways

The present disclosure will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the related content, but not to limit the present disclosure. In addition, it should be noted that, for the convenience of description, only the parts related to the present disclosure are shown in the drawings.

It should be noted that the embodiments of the present disclosure and the features of the embodiments may be combined with each other under the condition of no conflict. The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

FIG. 1 shows a schematic diagram of the loading structure of a single-channel aerodynamic loading test system for a single-pendulum vectoring nozzle according to an embodiment of the present disclosure. The servo control device 10 , the loading device 20 , and the vectoring nozzle 30 are shown in FIG. 1 .

The servo control device 10 can be used for servo-controlling the vectoring nozzle 30 , and the loading device 20 is used for realizing aerodynamic simulation loading of the vectoring nozzle 30 .

In an optional embodiment of the present disclosure, the servo control may be implemented by electronic control.

The single-channel aerodynamic loading test system of the single-pendulum vector nozzle according to an embodiment of the present disclosure will be described in detail below with reference to FIG. 2 . Compared to FIG. 1 , the servo control device 10 is not shown in FIG. 2 .

Referring to FIG. 2 , a single-channel aerodynamic loading test system for a single pendulum vectoring nozzle includes a loading connection part 1 , a loading device, a loading device support 3 , and a vectoring nozzle installation device 4 .

The loading connection 1 is used for mounting the vectoring nozzle 30 and for aerodynamically loading the vectoring nozzle 30 . In an optional embodiment of the present disclosure, the loading connecting part 1 may be a loading connecting frame, and the loading connecting frame may be hinged to one end of the loading device through a connecting member, so as to be movable relative to the loading device.

The loading device may include a loading hydraulic cylinder 2 so as to use hydraulic pressure as a power source.

The other end of the loading device can be connected to the loading device support 3, optionally, connected in a hinged manner, and the height and position of the loading device and the loading connecting portion can be adjusted by adjusting the loading device support 3. In an optional embodiment of the present disclosure, the height of the loading device support 3 can be adjusted by replacing the supports 3 of different sizes and adding a backing plate, so as to realize height and position adjustment through the loading device support 3 function.

The vector nozzle mounting device 4 is used to install the vector nozzle 30 (not shown in FIG. 2 ).

In an alternative embodiment of the present disclosure, as shown in FIG. 2 , the vector nozzle mounting device 4 includes a plurality of struts 41 , a mounting table 42 , a side mounting member 43 and a bottom member 44 .

Both ends of the support rod 41 are respectively connected to the mounting table 42 and the bottom part 44 , and the side mounting pieces 43 (optionally, two side mounting pieces) are provided on the mounting table 42 . When the loading test is performed, the vectoring nozzle 30 can be directly installed on the mounting table 42 to support the vectoring nozzle 30 .

The side mounts 43 can be used to implement a uniaxial swing of the vectoring nozzle 30 , eg, in FIG. 2 , to implement a side-to-side swing.

One end of the servo control device 10 is connected to the hinged connection part 11 shown in FIG. 2 , and the other end is connected to the hinged connection end 12 at the loading connection part 1 .

According to an optional embodiment of the present disclosure, the single-channel aerodynamic loading test system for the single-pendulum vector nozzle may further include a stage body 5 . The table body 5 can be made by integral casting. The tooling installation of the table body can ensure the structural stability of the vector nozzle under the loading working conditions, and can ensure the installation rigidity closer to the real aircraft, and can also leave a certain adjustment margin in each installation direction.

The top surface of the table body 5 is provided with a T-shaped groove 51 , and the bottom part 44 of the vector nozzle installation device 4 is connected to the table body 5 . In addition, the vector nozzle installation device 4 can move along the T-shaped groove 51 , for example, it can move back and forth in FIG. 2 , so that the loading connection part 1 can be moved back and forth. When the loading connection portion 1 is moved to a predetermined position, the vector nozzle mounting device 4 can be fixed by a fixing member, such as a T-bolt.

Furthermore, the loading device support 3 may be provided at the top surface of the table body 5 .

The platform body 5 can be fixed to the ground, for example, by means of anchor bolts, so as to ensure the stability of the structure.

3 is a schematic diagram of a loading channel according to one embodiment of the present disclosure.

The design of the loading device needs to consider the position of the loading channel and the loading connection frame, the action direction and action point of the applied force, etc.

In the present disclosure, the loading device 20 is hingedly mounted on the loading device support 3 . Through the control of the loading channel, the loading of the unidirectional force on the vector nozzle can be ensured, the position of the hinged support can be adjusted, and the connecting frame is used to ensure the loading force generated by the loading device and the force generated by the servo control device of the vector nozzle. on the same plane.

According to the loading test system of the present disclosure, the firmware can be adjusted according to different vector nozzles, which is suitable for single-channel force loading tests of various unidirectional adjustment nozzles. In addition, its mechanical structure is exquisitely designed, which is convenient for adjustment and parts replacement, safe and reliable, and has a long service life.

Therefore, the loading test system of the present disclosure can be well used for the simulation test of the vectoring nozzle load of the aircraft.

In addition, those skilled in the art should understand that the loading test system of the present disclosure is not limited to the simulation test of the vectoring nozzle load of the aircraft, but can also be applied to the corresponding tests of other nozzles and the like.

Those skilled in the art should understand that the above-mentioned embodiments are only for clearly illustrating the present disclosure, rather than limiting the scope of the present disclosure. For those skilled in the art, other changes or modifications may also be made on the basis of the above disclosure, and these changes or modifications are still within the scope of the present disclosure.

Claims (8)

1, kind of simple pendulum thrust vectoring nozzle's single channel aerodynamic force loading test system, its characterized in that includes:

a load connection to the end of the vectoring nozzle;

the loading device is connected with the loading connecting part and used for realizing unidirectional aerodynamic loading of the vectoring nozzle;

a loading device support connected with the loading device so as to support the loading device;

vectoring nozzle mounting means for mounting the other end of the vectoring nozzle and imparting a single axis of oscillation to the vectoring nozzle, and

a servo control device for servo-controlling the vectoring nozzle, wherein an end of the servo control device is connected to the hinged connection end of the vectoring nozzle mounting device, and the other end of the servo control device is connected to the hinged connection end of the loading connection part;

the loading force generated by the loading device and the control force generated by the servo control device are in the same plane through the position adjustment of the loading device support.

2. The loading test system of claim 1, further comprising a platform, wherein the vectoring nozzle mount is disposed on a top surface of the platform, and a bottom surface of the platform is fixedly attached to the ground.

3. The load testing system of claim 2, wherein a top surface of the table body is provided with a T-slot, the vectoring nozzle mount being disposed into the T-slot, the position of the vectoring nozzle mount being adjusted by movement of the vectoring nozzle mount along the T-slot.

4. A load testing system according to claim 3, wherein said vectoring nozzle mounting means is secured by a T-bolt when moved to a predetermined position in said T-slot.

5. A load testing system according to any of claims 2 to 4 and , wherein the loading device support is fixedly attached to the top surface of the platform.

6. A load testing system according to claim 5, wherein the height of the loading means and the loading connection is adjusted by the loading means support.

7. A load testing system according to any wherein the height of the loading unit and the load connection is adjusted by the loading unit mount.

8. The load testing system of claim 1,

the loading device is hinged to the loading device support.

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