A movable wing surface deformation boundary support simulation device and method

Abstract

The present application provides a movable wing surface deformation boundary support simulation device and method, belonging to the technical field of aircraft structure testing. The movable wing surface deformation boundary support simulation device includes at least two support columns. Among them, at most one of the two support columns is a fixed joint support column, and the rest are adjustable support columns. The fixed joint support column and / or the adjustable support columns are fixedly connected to each support joint of the movable wing surface. By adjusting the position or relative position difference of the support joints of the movable wing surface connected to the adjustable support columns, the support positions of each support joint of the movable wing surface are made the same or approximately the same as the joint positions after the wing and the stabilizer are deformed, so as to accurately simulate the movable wing surface deformation boundary support. The present application solves the technical problem of accurately simulating the boundary support in the ground test of movable wing surfaces such as aircraft flaps / slats and control surfaces, and improves the test assessment ability.

Description

Technical Field

[0001] This application belongs to the technical field of aircraft structural testing, and particularly relates to a movable wing surface deformation boundary support simulation device and method. Background Technique

[0002] During the development of movable wing surfaces such as aircraft flaps, slats, and vertical stabilizers, it is necessary to conduct fatigue reliability tests to verify their structural fatigue strength, movement function, and durability. During flight, the wings, stabilizers, and movable wing surfaces are subjected to aerodynamic forces, resulting in bending or torsional deformation, which causes changes in the positions of the support joints of the movable wing surfaces by the wings and stabilizers, that is, the boundary support changes, and this change varies in different flight phases.

[0003] To obtain reliable test results on the position changes between the movable wing surface and the stabilizer, it is necessary to accurately simulate this multi-state deformation boundary through a test piece support device, especially for the multi-point movable wing surface structure of modern large aircraft. The available method in the prior art is to use a full-scale wing and stabilizer, fixed joints, etc. to simulate the deformation boundary support of the movable wing surface. The method of using a full-scale wing and stabilizer has the problems of high manufacturing cost and long manufacturing cycle, and neither it nor the method of using fixed joints can simulate all the deformation boundary supports during the entire takeoff and landing process of the aircraft, and cannot accurately simulate the real situation, affecting the accuracy of the test results. Summary of the Invention

[0004] The purpose of this application is to provide a movable wing surface deformation boundary support simulation device to solve or mitigate at least one problem in the background technique.

[0005] The technical solution of this application is: a movable wing surface deformation boundary support simulation device, which includes at least two support columns. Among them, at most one of the two support columns is a fixed joint support column, and the rest are adjustable support columns, so that the fixed joint support column and / or the adjustable support columns are fixedly connected to each support joint of the movable wing surface. By adjusting the position or relative position difference of the movable wing surface support joints connected to the adjustable support columns, the support positions of each support joint of the movable wing surface are made the same or approximately the same as the joint positions after the deformation of the wing and stabilizer, thereby achieving accurate simulation of the movable wing surface deformation boundary support.

[0006] In a preferred embodiment of this application, the adjustable support column includes a column, a worm and worm gear, a connecting joint, a sliding module, and a driving module;

[0007] The bottom of the column is fixed to the ground through fasteners, and is used to transfer the load of the movable wing surface to the ground, thereby forming a support;

[0008] The sliding module is installed on the upper part of the column and is used to guide the movement direction of the connection joint;

[0009] One side of the connection joint is connected to the support joint of the movable wing surface and is used to provide a load for the deformation of the support joint of the movable wing surface. The other side of the connection joint is installed on the sliding module to achieve vertical movement;

[0010] One side of the worm and worm gear is connected to the connection joint, and the other side is connected to the drive module;

[0011] The drive module is connected to the worm and worm gear and can drive the worm and worm gear to rotate under the drive of the drive module, so that the connection joint moves vertically along the sliding module.

[0012] In a preferred embodiment of the present application, the column is formed by welding profiles and plates.

[0013] In a preferred embodiment of the present application, the sliding module includes a slide rail and a slider. The slide rail is vertically arranged and fixed on the upper part of the column. The slider is installed on the slide rail and can move relative to the slide rail.

[0014] In a preferred embodiment of the present application, the connection joint includes a square connection part and a support bottom plate. The square connection part is formed by continuously bending a plate-like structure. The front side of the square connection part is connected to the support joint of the movable wing surface, the rear side of the square connection part is fixedly installed on the support bottom plate, and the support bottom plate is fixedly connected to the slider of the sliding module.

[0015] In a preferred embodiment of the present application, the worm and worm gear includes a worm wheel and a worm. The worm wheel is installed on the back side of the support bottom plate of the connection joint. The worm is arranged parallel to the slide rail, and the worm wheel is matched with the worm.

[0016] In a preferred embodiment of the present application, the drive module includes a reducer and a servo motor. The servo motor is connected to the worm through the reducer. The servo motor rotates at a specified speed and / or acceleration under the control of the control system to drive the worm in the worm and worm gear to rotate, and finally drive the slider and the connection joint to move vertically, so that each support joint of the movable wing surface reaches a specified position or a relative position difference is formed between each support joint, realizing the simulation of the deformation boundary of the movable wing surface.

[0017] On the other hand, the present application provides a method for simulating the deformation boundary support of a movable wing surface by using the movable wing surface deformation boundary support simulation device as described in any one of the above. The method includes:

[0018] Connect each support joint of the movable wing surface to the fixed joint support column and / or the adjustable support column in the movable wing surface deformation boundary support simulation device respectively;

[0019] Adjust the adjustable support columns connected to the support joints of the movable wing surface so that each support joint of the movable wing surface reaches a specified position or has a relative position difference. The specified position or relative position difference of each support joint of the movable wing surface is the same as or approximately the same as the joint position or relative position difference after the deformation of the wing and the stabilizer, so as to accurately simulate the deformation boundary support of the movable wing surface.

[0020] The movable wing surface deformation boundary support simulation device and method provided by the present application simulate the complex support boundary of the movable wing surface caused by the deformation between the wing and the stabilizer by adjusting the position or relative position difference of the support joints supporting the movable wing surface, solve the technical problem of accurately simulating the boundary support in the ground test of movable wing surfaces such as aircraft flaps / slats and control surfaces, solve the technical problem of the full-lift deformation boundary support of the movable wing surface during the entire takeoff and landing process of the aircraft, and can simulate the influence of the flight attitude and mass of the aircraft according to the test requirements, improving the assessment ability of the test. Brief Description of the Drawings

[0021] In order to more clearly illustrate the technical solutions provided by the present application, the drawings will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application.

[0022] Figure 1 It is a schematic diagram of a typical adjustable column structure in the present application.

[0023] Figure 2 It is a schematic diagram of five adjustable support column structures in an embodiment of the present application.

[0024] Figure 3 It is a schematic diagram of the movable wing surface deformation boundary simulation process in the present application.

[0025] Reference Signs:

[0026] 1 - Column

[0027] 2 - Worm and Worm Gear

[0028] 3 - Connecting Joint

[0029] 31 - Square Connecting Portion

[0030] 32 - Support Base Plate

[0031] 4 - Sliding Module

[0032] 41 - Slide Rail

[0033] 5 - Driving Module Detailed Embodiment

[0034] To make the purpose, technical solutions, and advantages of the present application clearer, the following will describe the technical solutions in the embodiments of the present application in more detail with reference to the accompanying drawings in the embodiments of the present application.

[0035] In order to simulate the deformation boundary conditions of the movable wing surface fatigue reliability test and solve the problem that the change process of the support boundary of the movable wing surface caused by the deformation of the wing and the stabilizer surface during the entire flight process of the aircraft cannot be accurately simulated, the present application provides a movable wing surface deformation boundary support simulation device and a simulation method. By adjusting the position or relative position difference of the fixed joints supporting the movable wing surface, the joint positions during the bending and torsional deformation processes of the wing and the stabilizer surface during the entire takeoff and landing process of the aircraft are simulated, realizing the full takeoff and landing deformation boundary support simulation of the movable wing surface, meeting the requirement of accurately simulating the deformation boundary support state of the movable wing surface, and can be widely applied to the development tests of the movable wing surfaces of civil and military aircraft, etc.

[0036] The movable wing surface deformation boundary support simulation device provided by the present application includes at least 2 support columns. Among them, all the support columns can be adjustable support columns with adjustable joint heights, or 1 of them is a fixed joint support column with a fixed joint height, and the rest are adjustable support columns with adjustable joint heights. Each support joint of the movable wing surface is fixedly connected to the connection joints of different support columns respectively. By controlling the position or relative position difference of the connection joints on the adjustable support columns, the support positions of each support joint of the movable wing surface are approximated to the joint positions after the deformation of the wing and the stabilizer surface, thereby realizing the accurate simulation of the movable wing surface deformation boundary support.

[0037] As Figure 1 shown is a schematic structural diagram of a typical adjustable support column provided in the present application. The adjustable support column 10 includes a column 1, a worm and worm gear 2, a connection joint 3, a sliding module 4, and a driving module 5.

[0038] Among them, the column 1 is formed by welding profiles and plates. The bottom of the column 1 is fixed to the ground through fasteners, and is used to transfer the wing surface load to the ground, thereby forming a support. Multiple columns can be designed and processed into an integral support structure.

[0039] The sliding module 4 is fixed to the upper part of the column 1 and is used to guide the movement direction of the connection joint 3. In some embodiments of the present application, the sliding module 4 includes a slide rail 41 and a slider (not shown). The slide rail 41 is vertically arranged and fixed to the plate on the upper part of the column 1 through a clamp, and the slider is installed on the slide rail 41, and the two can move relative to each other.

[0040] The front side of the connecting joint 3 is connected to the movable wing surface support joint, and is used to provide a load for the deformation of the movable wing surface support joint. The rear side of the connecting joint 3 is installed on the sliding module 4, and can achieve vertical movement. In some embodiments of the present application, the connecting joint 3 includes a square connecting portion 31 and a support bottom plate 32. The square connecting portion 31 is formed by continuously bending a plate-like structure. The front side of the square connecting portion 31 is connected to the movable wing surface support joint, and the rear side of the square connecting portion 31 is fixedly installed on the support bottom plate 32. The support bottom plate 32 is fixedly connected to the slider of the sliding module 4, so as to realize the sliding of the connecting joint 3 along the slide rail 41.

[0041] The worm and worm gear 2 includes a worm wheel and a worm. The worm wheel can be installed on the rear side of the connecting joint 3, that is, the back side of the support bottom plate 32. The worm is arranged parallel to the slide rail 41. The worm wheel is matched with the worm, and the sliding of the connecting joint 3 on the slide rail 41 is realized by controlling the rotation of the worm.

[0042] The driving module 5 is installed on the platform at the upper part of the column 1. The driving module 5 is matched with the worm in the worm and worm gear 2, and is used to drive the rotation of the worm. In some embodiments of the present application, the driving module 5 includes a reducer and a servo motor. The servo motor is connected to the worm through the reducer. The servo motor rotates at a specified speed and acceleration under the control of the control system, and drives the worm in the worm and worm gear 2 to rotate. Through the cooperation of the worm and the worm wheel on the back side of the support bottom plate 32, the slider and the connecting joint 3 are finally driven to move vertically, so as to realize the movement of the movable wing surface support joint to a specified position, form a relative position difference between the support joints of the movable wing surface, and achieve the purpose of simulating the deformation boundary of the movable wing surface.

[0043] As Figure 2 shown is a schematic diagram of five adjustable support column structures 10A-10E provided in this embodiment of the present application. The movable wing surface is effectively supported by fixedly connecting the five adjustable support columns to the five support joints of the movable wing surface respectively.

[0044] As Figure 3The figure shows a schematic diagram of simulating the boundary deformation of a movable wing surface by the above five adjustable support columns. Before the test (i.e., before deformation), the adjustable support column 10A supports and controls the support joint at the rightmost side of the movable wing surface at a position with a height H1 from the ground. Similarly, the adjustable support column 10B supports and controls the support joint at the second right position of the movable wing surface at a position with a height H2 from the ground, the adjustable support column 10C supports and controls the support joint at the third right position of the movable wing surface at a position with a height H3 from the ground, the adjustable support column 10D supports and controls the support joint at the fourth right position of the movable wing surface at a position with a height H4 from the ground, and the adjustable support column 10E supports and controls the support joint at the fifth right position of the movable wing surface at a position with a height H5 from the ground. After the test starts (i.e., after deformation), by controlling the driving module 5, the connecting joint 3 is moved on the slider module 4. Eventually, the adjustable support column 10A supports and controls the support joint at the rightmost side of the movable wing surface at a position with a height H1' from the ground. Similarly, the adjustable support column 10B eventually supports and controls the support joint at the second right position of the movable wing surface at a position with a height H2' from the ground, the adjustable support column 10C eventually supports and controls the support joint at the third right position of the movable wing surface at a position with a height H3' from the ground, the adjustable support column 10D eventually supports and controls the support joint at the fourth right position of the movable wing surface at a position with a height H4' from the ground, and the adjustable support column 10E eventually supports and controls the support joint at the fifth right position of the movable wing surface at a position with a height H5' from the ground. Through the above process, the support positions of the support joints of the movable wing surface are approximately the joint positions after the deformation of the wing and the stabilizer, thus achieving an accurate simulation of the support of the deformation boundary of the movable wing surface.

[0045] It should be noted that the typical adjustable support column provided in the above embodiments of the present application is used to illustrate the motion principle of the adjustable support column applying displacement or deformation to the support joint of the movable wing surface. In some other embodiments of the present application, the worm and worm gear 2 and the driving module 5 in the above adjustable support column can be replaced by a device or component - such as a linear motor. By fixedly connecting the end of the linear motor to the back side of the connecting joint 3, the motion of the connecting joint 3 can also be controlled. The above multiple support columns can be replaced by an integral support structure, and the support of the movable wing surface can also be achieved.

[0046] In addition, compared with the adjustable support column 10 in the movable wing surface deformation boundary support simulation device of the present application, the fixed joint support column lacks adjustable motion parts such as the worm and worm gear 2, the sliding module 4, and the driving module, and can be composed of only the column 1 and the connecting joint 3. By combining the fixed joint support column with the adjustable support column and adjusting the position of the connecting joint 3 in the adjustable support column, a relative position difference can also be formed between the support joints of the movable wing surface, achieving the purpose of simulating the deformation boundary. In the embodiment of the movable wing surface deformation boundary support device containing the fixed joint support column, due to the lack of adjustable motion components, the cost can be reduced.

[0047] The movable wing surface deformation boundary support simulation device and method provided by the present application simulate the complex support boundary of the movable wing surface caused by the deformation between the wing and the stabilizer by adjusting the position or relative position difference of the support joints for the movable wing surface, solve the technical problem of accurately simulating the boundary support in the ground test of movable wing surfaces such as aircraft flaps / slats and control surfaces, solve the technical problem of the full landing and takeoff deformation boundary support technology for movable wing surfaces during the entire takeoff and landing process of the aircraft, can simulate the influence of the flight attitude and mass of the aircraft according to the test requirements, and improve the assessment ability of the test. In the present application, a servo motor is proposed as the power mode for deformation drive, which can achieve accurate displacement or deformation control. The simulation device has strong designability, universality, and a wide application range, and can form the technical ability of simulating the full landing and takeoff deformation boundary support of the movable wing surface.

[0048] As mentioned above, the above is only the specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present application should be covered within the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A movable wing surface deformation boundary support simulation device, characterized in that, The movable wing surface deformation boundary support simulation device includes at least two support columns. Among them, at most one of the two support columns is a fixed joint support column, and the rest are adjustable support columns, so that the fixed joint support column and / or the adjustable support columns are fixedly connected to each support joint of the movable wing surface. By adjusting the position or relative position difference of the support joints of the movable wing surface connected by the adjustable support columns, the support positions of each support joint of the movable wing surface are made the same or approximately the same as the joint positions after the deformation of the wing and the stabilizer surface, thereby achieving an accurate simulation of the movable wing surface deformation boundary support; Among them, the adjustable support column includes a column, a worm and worm gear, a connecting joint, a sliding module and a driving module; the bottom of the column is fixed to the ground through fasteners, and is used to transfer the load of the movable wing surface to the ground, thereby forming a support; the sliding module is installed on the upper part of the column and is used to guide the movement direction of the connecting joint; one side of the connecting joint is connected to the support joint of the movable wing surface and is used to provide a load for the deformation of the support joint of the movable wing surface, and the other side of the connecting joint is installed on the sliding module to achieve vertical movement; one side of the worm and worm gear is connected to the connecting joint and the other side is connected to the driving module; the driving module is connected to the worm and worm gear, and can drive the worm and worm gear to rotate under the drive of the driving module, so that the connecting joint moves vertically along the sliding module.

2. The movable wing surface deformation boundary support simulation device according to claim 1, characterized in that, The column is formed by welding profiles and plates.

3. The movable wing surface deformation boundary support simulation device according to claim 1, characterized in that, The sliding module includes a slide rail and a slider. The slide rail is vertically arranged and fixed on the upper part of the column, and the slider is installed on the slide rail and the slider can move relative to the slide rail.

4. The movable wing surface deformation boundary support simulation device according to claim 3, characterized in that, The connecting joint includes a square connecting part and a support bottom plate. The square connecting part is formed by continuously bending a plate-like structure. The front side of the square connecting part is connected to the support joint of the movable wing surface, and the back side of the square connecting part is fixedly installed on the support bottom plate. The support bottom plate is fixedly connected to the slider of the sliding module.

5. The movable wing surface deformation boundary support simulation device according to claim 4, characterized in that, The worm and worm gear includes a worm wheel and a worm. The worm wheel is installed on the back side of the support bottom plate of the connecting joint. The worm is arranged parallel to the slide rail, and the worm wheel is matched with the worm.

6. The movable wing surface deformation boundary support simulation device according to claim 5, characterized in that, The driving module includes a reducer and a servo motor. The servo motor is connected to the worm through the reducer. The servo motor rotates at a specified speed and / or acceleration under the control of the control system to drive the worm in the worm and worm gear to rotate, and finally drive the slider and the connecting joint to move vertically, so that each support joint of the movable wing surface reaches a specified position or a relative position difference is formed between each support joint, realizing the simulation of the movable wing surface deformation boundary.

7. A method for simulating the movable wing surface deformation boundary support by using the movable wing surface deformation boundary support simulation device according to any one of claims 1 to 6, characterized in that, The method includes: Connecting each support joint of the movable wing surface to the fixed joint support column and / or the adjustable support columns in the movable wing surface deformation boundary support simulation device respectively; Adjust the adjustable support columns connected to the movable wing support joints so that each support joint of the movable wing reaches a specified position or has a relative position difference. The specified positions or relative position differences of each support joint of the movable wing are the same as or approximate to the joint positions or relative position differences of the wing and the stabilizer after deformation, so as to accurately simulate the support of the movable wing deformation boundary.

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