Cracking type control surface follow-up loading test device and test method

By using two sets of rudder surface driving units and loading units in the follow-up loading test device, combined with the translation drive mechanism, the problem of poor applicability of the existing device is solved, and the bilateral asynchronous loading and large-angle deflection simulation in complex scenarios is realized, which improves the accuracy of the test.

CN120352134AInactive Publication Date: 2025-07-22CHENGDU AIRCRAFT INDUSTRY GROUP

Patent Information

Application Number
CN202510849289.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-24
Publication Date
2025-07-22
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing follow-up loading test devices are too single for the applicable scenarios and cannot meet the follow-up loading requirements in complex scenarios, especially the two-sided asynchronous loading and large-angle deflection cannot be achieved.

Method used

Two sets of rudder surface driving units are used to set the deflection angles of the upper and lower simulated rudder surfaces, and the two sets of rudder surface loading units are applied to them. Combined with the rudder surface translational drive mechanism, the test of the rudder surface in the combined state of translational/deflection is realized.

Benefits of technology

It realizes motion simulation of cracked rudder surfaces, which can meet the requirements of bilateral asynchronous loading, improves the accuracy and data validity of the test, and is suitable for different forms of cracked rudder surface tests.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN120352134A_ABST
    Figure CN120352134A_ABST
Patent Text Reader

Abstract

The invention discloses a cracking type control surface follow-up loading test device and a test method. The cracking type control surface follow-up loading test device comprises a test bed; the control surface simulation unit comprises a simulation control surface base, an upper simulation control surface and a lower simulation control surface; the control surface deflection driving mechanism comprises two groups of control surface driving units, and the two groups of control surface driving units are respectively used for adjusting deflection angles of the upper simulation control surface and the lower simulation control surface; the follow-up loading system comprises two groups of control surface loading units, and the two groups of control surface loading units are respectively used for applying loads to the upper simulation control surface and the lower simulation control surface along the deflection direction of the control surfaces; and the control surface translation driving mechanism is respectively connected with the test bed and the simulation control surface base and is used for driving the control surface simulation unit to move along the horizontal direction. According to the invention, the motion simulation of the cracking control surface in various scenes can be realized, the test requirement of asynchronous loading on the two sides of the control surface can be met, and the device and the method can be suitable for tests of cracking control surfaces in different forms and under different requirements.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present invention belongs to the technical field of testing, and particularly relates to a cracked rudder surface servo loading test device and a test method. Background Art

[0002] In the aviation field, the aircraft rudder surface servo loading test is crucial for ensuring the performance, safety, and structural durability of the aircraft. By simulating the magnitude and direction of the aerodynamic load on the rudder surface under different flight conditions and at different positions, it helps to evaluate the performance of the aircraft rudder surface during actual operation. The cracked rudder surface servo loading device needs to be able to simulate the magnitude and direction of the aerodynamic load on the rudder surface during flight at different speeds, different flight stages, and various complex maneuvering situations, and provide key data for improving aircraft design through corresponding loading tests.

[0003] Currently, different types of rudder surface servo loading test devices are widely used in rudder surface servo loading tests. According to the motion characteristics of the cracked rudder surface, they are mainly divided into fixed-axis cracked type and retracted cracked type. The fixed-axis cracked type includes fixed-axis rotation type, variable-angle rope dragging type, etc.; the retracted cracked type includes synthetic type, linear motion type, etc.; and the linear motion type can be further divided into steel rope dragging type, slider translation type, crank swing arm type, etc. By controlling components such as hydraulic actuators and servo motors, these different types of rudder surface servo loading devices can meet the requirements of servo loading tests, and then optimize the rudder surface design.

[0004] The existing servo loading test devices also have the following problems: on the one hand, the applicable scenarios of the existing cracked rudder surface test loading devices are too single; the rudder surface servo loading test devices are often designed specifically for a certain specific rudder surface. Therefore, a test device can often only be used for the servo loading test of a certain specific rudder surface, which greatly increases the test cost of the rudder surface. For example, the fixed-axis rotation type test device cannot meet the test requirements of the retracted cracked rudder. On the other hand, the existing rudder surface servo loading test devices can only achieve servo loading of a single-sided rudder surface or a bilaterally symmetric moving rudder surface, while in actual tests, bilateral loading or even bilateral asynchronous loading is required, resulting in the test device being difficult to meet the actual needs. Summary of the Invention

[0005] The purpose of the present invention is to provide a cracked rudder surface servo loading test device and a test method to solve the problems of poor versatility of the existing servo loading test devices and inability to meet the servo loading requirements in complex scenarios.

[0006] The present invention is achieved through the following technical solutions: A cracked rudder surface servo loading test device, comprising: A test bench frame; The rudder surface simulation unit includes a simulated rudder surface base, an upper simulated rudder surface, and a lower simulated rudder surface. The upper simulated rudder surface and the lower simulated rudder surface are hinged between one end and the simulated rudder surface base. The rudder surface deflection driving mechanism includes two sets of rudder surface driving units, which are respectively used to adjust the deflection angles of the upper simulated rudder surface and the lower simulated rudder surface. The follow-up loading system includes two sets of rudder surface loading units, which are respectively used to apply loads along the rudder surface deflection direction to the upper simulated rudder surface and the lower simulated rudder surface. The rudder surface translational driving mechanism is respectively connected to the test bench and the simulated rudder surface base, and is used to drive the rudder surface simulation unit to move horizontally. When the rudder surface simulation unit moves horizontally, the follow-up loading system can always apply the loads required for the test to the upper simulated rudder surface and the lower simulated rudder surface.

[0007] In some embodiments, the rudder surface loading unit includes a loading bracket and two sets of loading components. The loading components include a winding motor, a steel cable, and a pulley. The winding motor and the pulley are arranged on the test bench. The two ends of the steel cable are respectively connected to the winding motor and the loading bracket, and the steel cable is wound around the pulley. The two sets of loading components are relatively arranged on the left and right sides of the rudder surface simulation unit. Their steel cables are respectively connected to both ends of the loading bracket and apply a pulling force to the loading bracket, and apply a load along the rudder surface deflection direction to the upper simulated rudder surface or the lower simulated rudder surface through the loading bracket. The two sets of rudder surface loading units are relatively arranged on the upper and lower sides of the rudder surface simulation unit. And the rudder surface loading unit located above is used to apply a load to the lower simulated rudder surface, and the rudder surface loading unit located below is used to apply a load to the upper simulated rudder surface.

[0008] In some embodiments, the rudder surface loading unit includes two sets of load adjustment components respectively cooperating with the corresponding loading components. The load adjustment component includes a motor, a lead screw, and a pulley block. The pulley block is slidably connected to the test bench. The lead screw is in transmission connection with the pulley block and is used to drive the pulley block to move on the test bench. The pulley is arranged on the pulley block and moves with the pulley block. When the pulley moves along the sliding direction of the pulley block, it can adjust the acting force applied by the steel cable on the loading bracket.

[0009] In some embodiments, a load distribution disc is arranged on the loading bracket, and the acting force is applied to the upper simulated rudder surface or the lower simulated rudder surface through the load distribution disc. The load distribution disc is connected to the loading bracket through a load transfer column.

[0010] In some embodiments, the rudder surface driving unit includes two sets of driving components relatively arranged on both sides of the simulated rudder surface base. The driving assembly includes an active driving member, a guide rail located between the upper simulated rudder surface and the lower simulated rudder surface, a driving slider arranged on the guide rail, and a connecting rod. One end of the guide rail is fixedly connected to the simulated rudder surface base. The driving slider is slidably connected to the guide rail. One end of the connecting rod is hinged to the driving slider, and the other end is hinged to the upper simulated rudder surface or the lower simulated rudder surface. The active driving member is used to drive the driving slider to move on the guide rail.

[0011] In some embodiments, two sets of rudder surface driving units are symmetrically arranged relative to each other on the simulated rudder surface base.

[0012] In some embodiments, two sets of driving assemblies are symmetrically arranged relative to each other.

[0013] In some embodiments, two sets of driving assemblies are respectively located on both sides of the upper simulated rudder surface and the lower simulated rudder surface, and support both sides of the upper simulated rudder surface and the lower simulated rudder surface through connecting rods.

[0014] In some embodiments, the rudder surface translational driving mechanism and the rudder surface loading assembly are arranged oppositely, and are respectively located on both sides of the test bench. The rudder surface translational driving mechanism can drive the rudder surface simulation unit to move horizontally in a direction approaching or away from the loading assembly.

[0015] On the other hand, the present invention also provides a test method using the cracked rudder surface follow-up loading test device, including the following steps: Set the deflection angles of the upper simulated rudder surface and the lower simulated rudder surface through the rudder surface deflection driving mechanism; Apply the required loads to the upper simulated rudder surface and the lower simulated rudder surface through the follow-up loading system; Drive the rudder surface simulation unit to move horizontally through the rudder surface translational driving mechanism to simulate the test of the upper simulated rudder surface and the lower simulated rudder surface in a translational / deflection combined state.

[0016] Compared with the prior art, the present invention has the following advantages and beneficial effects: The present invention uses two sets of rudder surface driving units to set the deflection angles of the upper simulated rudder surface and the lower simulated rudder surface respectively, so that the upper and lower simulated rudder surfaces can generate different deflection angles. Two sets of rudder surface loading units are used to apply loads along the rudder surface deflection direction to the upper simulated rudder surface and the lower simulated rudder surface respectively, which can independently apply loads to the upper and lower simulated rudder surfaces, can realize the motion simulation of the cracked rudder surface in multiple scenarios, and can meet the test requirements for bilateral asynchronous loading of the rudder surface; at the same time, the rudder surface translational driving mechanism is used to drive the rudder surface simulation unit to move horizontally to realize the test of the rudder surface in a translational / deflection combined state, and can be applied to tests of different forms of cracked rudder surfaces and different requirements.

[0017] The present invention adopts two groups of rudder surface loading units to independently load the upper and lower simulated rudder surfaces through steel cables, and the loading actions do not interfere with each other, so that the aerodynamic loads borne by the upper and lower rudder surfaces can be simulated more realistically.

[0018] The present invention realizes the follow-up loading of the large-angle cracked rudder surface, the maximum deflection angle of the rudder surface can reach 75°, and can truly simulate various movements of the cracked rudder surface, can accurately restore the movement characteristics of the cracked rudder surface, and improves the accuracy of the test and the validity of the test data. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 It is a structural schematic diagram of a dynamic loading test device according to an embodiment of the present invention.

[0021] Figure 2 It is a cross-sectional view of a dynamic loading test device according to an embodiment of the present invention.

[0022] Figure 3 It is a schematic diagram of the structure of the rudder simulation unit in the dynamic loading test device according to an embodiment of the present invention.

[0023] in: 10. Test bench; 21. Simulated rudder base, 22. Upper simulated rudder, 23. Lower simulated rudder; 30. Rudder surface translation drive mechanism; 41. winding motor, 42. steel cable, 43. pulley, 44. loading bracket, 45. load distribution plate, 46. load transfer column; 51. motor, 52. lead screw, 53. pulley, 54. slide rail; 61. Guide rail, 62. Driving slider, 63. Connecting rod. DETAILED DESCRIPTION

[0024] 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 only part of the embodiments of the present invention, not all of the embodiments.

[0025] The present invention aims to solve the problems that existing cracked rudder surfaces or other types of rudder surface loading test devices cannot achieve the follow-up loading of rudder surfaces with large deflection angles, cannot achieve the follow-up loading of rudder surfaces with a combined motion form of rotation and translation, can only achieve unilateral loading of cracked rudder surfaces, and cannot achieve the two-side asynchronous follow-up loading of asymmetric cracked rudder surfaces, and provides a follow-up loading test device that can adapt to the follow-up loading requirements in complex scenarios.

[0026] Referring to Figure 1 、 Figure 2 and Figure 3 In some embodiments of the present invention, a cracked rudder surface follow-up loading test device is characterized by including: A test bench frame 10; A rudder surface simulation unit, including a simulated rudder surface base 21, an upper simulated rudder surface 22, and a lower simulated rudder surface 23. The upper simulated rudder surface 22 and the lower simulated rudder surface 23 are hinged between one end and the simulated rudder surface base 21, so that the upper simulated rudder surface 22 and the lower simulated rudder surface 23 can rotate relative to each other on the simulated rudder surface base 21; A rudder surface deflection driving mechanism, including two groups of rudder surface driving units, and the two groups of rudder surface driving units are respectively used to adjust the deflection angles of the upper simulated rudder surface and the lower simulated rudder surface; A follow-up loading system, including two groups of rudder surface loading units, and the two groups of rudder surface loading units are respectively used to apply loads along the rudder surface deflection direction to the upper simulated rudder surface and the lower simulated rudder surface, and the upper simulated rudder surface and the lower simulated rudder surface generate deflection movements relative to the simulated rudder surface base; A rudder surface translation driving mechanism, which is respectively connected to the test bench frame and the simulated rudder surface base, and is used to drive the rudder surface simulation unit to move in the horizontal direction. When the rudder surface simulation unit moves in the horizontal direction, the follow-up loading system can always apply the loads required for the test to the upper simulated rudder surface and the lower simulated rudder surface.

[0027] Two groups of rudder surface driving units are used to set the deflection angles of the upper simulated rudder surface and the lower simulated rudder surface respectively, so that the upper and lower simulated rudder surfaces can generate different deflection angles; two groups of rudder surface loading units are used to apply loads along the rudder surface deflection direction to the upper simulated rudder surface and the lower simulated rudder surface respectively, which can independently apply loads to the upper and lower simulated rudder surfaces, can realize the motion simulation of cracked rudder surfaces in various scenarios, and can meet the test requirements for two-side asynchronous loading of rudder surfaces.

[0028] At the same time, a rudder surface translation driving mechanism is used to drive the rudder surface simulation unit to move in the horizontal direction, realizing the test of the rudder surface in the combined state of translation / deflection, and can be applicable to tests of different forms of cracked rudder surfaces and different requirements.

[0029] In some embodiments, the rudder surface loading unit includes a loading bracket 44 and two sets of loading components. Each loading component includes a winding motor 41, a steel cable 42, and a pulley 43. The winding motor 41 and the pulley 43 are arranged on the test bench 10. Both ends of the steel cable 42 are respectively connected to the winding motor 41 and the loading bracket 44, and the steel cable 42 is wound around the pulley 43. The two sets of loading components are oppositely arranged on the left and right sides of the rudder surface simulation unit. Their steel cables 42 are respectively connected to both ends of the loading bracket and apply a tensile force to the loading bracket, and a load along the rudder surface deflection direction is applied to the upper simulated rudder surface or the lower simulated rudder surface through the loading bracket. The two sets of rudder surface loading units are oppositely arranged on the upper and lower sides of the rudder surface simulation unit. The rudder surface loading unit located above is used to apply a load to the lower simulated rudder surface 23, and the rudder surface loading unit located below is used to apply a load to the upper simulated rudder surface 22.

[0030] Each simulated rudder surface is loaded through two sets of loading components. Referring to Figure 1 , one end of the steel cable is wound around the motor shaft of the winding motor, and a force is applied to the simulated rudder surface by winding the steel cable. Taking a set of rudder surface loading units used to apply a load to the upper simulated rudder surface as an example, the loading bracket is arranged on the upper simulated rudder surface. The two sets of loading components are respectively arranged on one side below the rudder surface simulation unit. After the steel cables of the two sets of loading components are respectively wound around the corresponding pulleys, they are connected to the two ends of the loading bracket. By winding the steel cable with the winding motor, the steel cable applies a force to the loading components respectively to load the upper simulated rudder surface.

[0031] The two sets of loading components are independent of each other and can realize independent loading at both ends of the loading bracket, so as to better meet different loading requirements.

[0032] In some embodiments, the rudder surface loading unit includes two sets of load adjustment components respectively cooperating with the corresponding loading components; The load adjustment component includes a motor 51, a lead screw 52, and a sliding block 53. The sliding block 53 is slidably connected to the test bench 10 through a slide rail 54. The lead screw 52 is drivingly connected to the sliding block 53 and is used to drive the sliding block to move on the test bench. The pulley is arranged on the sliding block and moves with the sliding block. When the pulley moves along the sliding direction of the sliding block, the force applied by the steel cable on the loading bracket can be adjusted.

[0033] By adopting the load adjustment components arranged in cooperation with each loading component, through adjusting the position of the pulley and the cooperation between the pulley and the steel cable, the problem that it is difficult to apply a tensile load to the simulated rudder surface at certain deflection angles can be solved, so that the device can be applicable to the loading requirements at different rudder surface deflection angles.

[0034] In some embodiments, a load distribution disc 45 is provided on the loading bracket 44, and a force is applied to the upper simulated rudder surface 22 or the lower simulated rudder surface 23 through the load distribution disc 45. The load distribution disc 45 is connected to the loading bracket 44 through a load transfer column 46. Refer to Figure 3 , by providing two load distribution discs, the applied concentrated load can be converted into a distributed load, and the load can be distributed to the entire rudder surface, so as to more realistically simulate the stress condition of the rudder surface.

[0035] In some embodiments, the rudder surface drive unit includes two sets of drive components oppositely arranged on both sides of the simulated rudder surface base; Refer to Figure 3 , the drive component includes a driving driving member (not shown in the figure), a guide rail 61 located between the upper simulated rudder surface and the lower simulated rudder surface, a drive slider 62 arranged on the guide rail, and a connecting rod 63. One end of the guide rail 61 is fixedly connected to the simulated rudder surface base 21, the drive slider 62 is slidably connected to the guide rail 61, one end of the connecting rod 63 is hinged to the drive slider 62, and the other end is hinged to the upper simulated rudder surface or the lower simulated rudder surface. The driving driving member is used to drive the drive slider to move on the guide rail. For example, the driving driving member can be arranged on the guide rail, and the driving driving member can adopt a lead screw, an electric strut, etc., and the drive slider is driven to move on the guide rail through the lead screw and the electric strut.

[0036] By changing the position of the drive slider on the guide rail, the deflection angle of the simulated rudder surface can be set. By providing two drive components, independent adjustment of the two simulated rudder surfaces can be achieved, so that the two simulated rudder surfaces can have different deflection angles to simulate different deflection angle states.

[0037] In some embodiments, the two sets of rudder surface drive units are arranged symmetrically relative to each other on the simulated rudder surface base. The two sets of rudder surface drive units are respectively used to adjust the deflection angles of the upper simulated rudder surface and the lower simulated rudder surface. The rudder surface drive unit located on the upper side is used to adjust the deflection angle of the upper simulated rudder surface, and the rudder surface drive unit located on the lower side is used to adjust the deflection angle of the lower simulated rudder surface, which can avoid interference between the two sets of rudder surface drive units and has a simpler structure. In some embodiments, the two sets of drive components are arranged symmetrically relative to each other, and the upper simulated rudder surface and the lower simulated rudder surface are supported at two positions to ensure the stability of the support.

[0038] The two sets of drive components are respectively located on both sides of the upper simulated rudder surface and the lower simulated rudder surface, and the upper simulated rudder surface and the lower simulated rudder surface are supported on both sides through the connecting rod, so as to support the upper simulated rudder surface and the lower simulated rudder surface on both sides respectively. The structure is simple and has good stability.

[0039] In some embodiments, the translational drive mechanism 30 of the control surface is disposed opposite to the control surface loading assembly, and they are respectively located on both sides of the test bench. The translational drive mechanism of the control surface can drive the control surface simulation unit to move horizontally in a direction approaching or away from the loading assembly.

[0040] When the translational drive mechanism of the control surface drives the control surface simulation unit to move, based on the structural characteristics of the control surface loading unit, the required load for the test can always be applied to the upper simulation control surface and the lower simulation control surface through the steel cable, so as to realize the simulation of the control surface in the combined state of translation / deflection.

[0041] The translational drive mechanism 30 of the control surface adopts an actuator or others such as a hydraulic cylinder, a pneumatic cylinder, etc.

[0042] The servo loading test device can also be provided with a force sensor and a control system. For example, the tension of the steel cable is detected by the force sensor, so as to obtain the magnitude of the acting force applied by the control surface loading unit to the upper simulation control surface and the lower simulation control surface. At the same time, according to the magnitude of the acting force, the translational drive mechanism of the control surface and the control surface loading unit are controlled through the control system, further expanding the test performance of the device to meet the test requirements under different test needs.

[0043] On the other hand, the present invention also provides a test method using the cracked control surface servo loading test device, including the following steps: Set the deflection angles of the upper simulation control surface and the lower simulation control surface through the control surface deflection drive mechanism; Apply the required load to the upper simulation control surface and the lower simulation control surface through the servo loading system; Drive the control surface simulation unit to move in the horizontal direction through the translational drive mechanism of the control surface, so as to simulate the test of the upper simulation control surface and the lower simulation control surface in the combined state of translation / deflection.

[0044] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present invention is usually placed during use. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.

[0045] In addition, when the terms "horizontal" and "vertical" appear in the description of the present invention, it does not mean that the components are required to be absolutely horizontal or hanging vertically, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0046] In the description of the present invention, it should also be noted that unless otherwise clearly defined and limited, the terms "set", "installed", "connected", and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in combination with specific situations.

[0047] The above are only the preferred embodiments of the present invention, and do not impose any form of limitation on the present invention. Any simple modification or equivalent change made to the above embodiments based on the technical essence of the present invention falls within the protection scope of the present invention.

Claims

1. A cracking type rudder surface servo loading test device, characterized in that, Comprising: A test bench; A rudder surface simulation unit, including a simulation rudder surface base, an upper simulation rudder surface, and a lower simulation rudder surface. The upper simulation rudder surface and the lower simulation rudder surface are hinged between one end and the simulation rudder surface base; A rudder surface deflection driving mechanism, including two groups of rudder surface driving units, which are respectively used to adjust the deflection angles of the upper simulation rudder surface and the lower simulation rudder surface; A follow-up loading system, including two groups of rudder surface loading units, which are respectively used to apply loads along the rudder surface deflection direction to the upper simulation rudder surface and the lower simulation rudder surface; A rudder surface translational driving mechanism, which is respectively connected to the test bench and the simulation rudder surface base, and is used to drive the rudder surface simulation unit to move horizontally. And when the rudder surface simulation unit moves horizontally, the follow-up loading system can always apply the loads required for the test to the upper simulation rudder surface and the lower simulation rudder surface.

2. The cracking type rudder surface servo loading test device according to claim 1, wherein, The rudder surface loading unit includes a loading bracket and two groups of loading components. The loading component includes a winding motor, a steel cable, and a pulley. The winding motor and the pulley are arranged on the test bench. The two ends of the steel cable are respectively connected to the winding motor and the loading bracket, and the steel cable is wound around the pulley; The two groups of loading components are arranged oppositely on the left and right sides of the rudder surface simulation unit. Their steel cables are respectively connected to both ends of the loading bracket and apply a tensile force to the loading bracket, and apply a load along the rudder surface deflection direction to the upper simulation rudder surface or the lower simulation rudder surface through the loading bracket; The two groups of rudder surface loading units are arranged oppositely on the upper and lower sides of the rudder surface simulation unit. And the rudder surface loading unit located above is used to apply a load to the lower simulation rudder surface, and the rudder surface loading unit located below is used to apply a load to the upper simulation rudder surface.

3. The cracking type rudder surface servo loading test device according to claim 2, characterized in that The rudder surface loading unit includes two groups of load adjustment components respectively cooperating with the corresponding loading components; The load adjustment component includes a motor, a lead screw, and a sliding block. The sliding block is slidably connected with the test bench. The lead screw is drivingly connected with the sliding block and is used to drive the sliding block to move on the test bench. The pulley is arranged on the sliding block and moves with the sliding block. When the pulley moves along the sliding direction of the sliding block, it can adjust the force applied by the steel cable on the loading bracket.

4. The cracking type rudder surface servo loading test device according to claim 2, characterized in that, A load distribution disc is arranged on the loading bracket, and the force is applied to the upper simulation rudder surface or the lower simulation rudder surface through the load distribution disc. The load distribution disc is connected to the loading bracket through a load transfer column.

5. The cracking type rudder surface servo loading test device according to any one of claims 1-3, characterized in that, The rudder surface driving unit includes two groups of driving components arranged oppositely on both sides of the simulation rudder surface base; The driving component includes a driving driving part, a guide rail located between the upper simulation rudder surface and the lower simulation rudder surface, a driving slider arranged on the guide rail, and a connecting rod. One end of the guide rail is fixedly connected to the simulation rudder surface base. The driving slider is slidably connected with the guide rail. One end of the connecting rod is hinged to the driving slider, and the other end is hinged to the upper simulation rudder surface or the lower simulation rudder surface. The driving driving part is used to drive the driving slider to move on the guide rail.

6. The cracking type rudder surface servo loading test device according to claim 5, characterized in that, The two groups of rudder surface driving units are symmetrically arranged oppositely on the simulation rudder surface base.

7. The cracking type rudder surface servo loading test device according to claim 5, characterized in that The two groups of driving components are symmetrically arranged oppositely.

8. The cracking type rudder surface servo loading test device according to claim 7, characterized in that The two groups of driving components are respectively located on both sides of the upper simulation rudder surface and the lower simulation rudder surface, and support both sides of the upper simulation rudder surface and the lower simulation rudder surface through the connecting rod.

9. The cracking type rudder surface servo loading test device according to claim 2 or 3, characterized in that The translational drive mechanism of the control surface and the control surface loading component are arranged opposite to each other, located on both sides of the test bench respectively. The translational drive mechanism of the control surface can drive the control surface simulation unit to move horizontally in a direction close to or away from the loading component.

10. The test method using the cracking type rudder surface servo loading test device described in any one of claims 1-9, characterized in that, It includes the following steps: Set the deflection angles of the upper simulated control surface and the lower simulated control surface through the control surface deflection drive mechanism; Apply the required loads to the upper simulated control surface and the lower simulated control surface through the follow-up loading system; Drive the control surface simulation unit to move horizontally through the translational drive mechanism of the control surface to simulate the test of the upper simulated control surface and the lower simulated control surface in the combined state of translation / deflection.

Citation Information

Patent Citations

  • Combined control surface of tailless airplane

    CN103057695A

  • Onboard steering engine testing device and testing method thereof

    CN109030050A

  • Ground stiffness test method for cracked rudder system

    CN110160758A

  • Aircraft control surface loading test device and aircraft control surface loading test method

    CN117782554A

  • Airplane control surface loading test device and test method

    CN118565782A

Cited By

  • Electrically-driven cracking type control surface performance testing device

    CN121185599A

  • Fatigue and functional reliability test system for cracking type control surface

    CN121384431A