CN118190371A - Variable stiffness wing test supporting device - Google Patents
Variable stiffness wing test supporting device Download PDFInfo
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- CN118190371A CN118190371A CN202211608139.5A CN202211608139A CN118190371A CN 118190371 A CN118190371 A CN 118190371A CN 202211608139 A CN202211608139 A CN 202211608139A CN 118190371 A CN118190371 A CN 118190371A
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Abstract
The invention relates to a variable stiffness wing test supporting device which comprises a vertical cantilever beam mechanism, a horizontal cantilever beam mechanism, a wing supporting joint and an adjusting pull rod. The invention can realize the simulation of the vertical and horizontal supporting rigidity of the wing supporting part; by adjusting the length of the cantilever section of the variable stiffness beam, various supporting rigidities can be simulated, the universality is high, and the test cost is reduced; each joint adopts a hinged mode, so that decoupling of vertical rigidity and horizontal rigidity can be realized, the mutual influence of rigidity in two directions is eliminated, and the test precision is improved.
Description
Technical Field
The invention relates to the field of aviation, in particular to a variable-rigidity wing structure supporting device which can simulate the supporting rigidity of a wing part test.
Background
The aircraft wing is an important bearing component in the aircraft structure, and the supporting rigidity design of the wing component test is a key link of the wing strength test. In the wing strength test process, the rigidity of the wing supporting part is accurately simulated, and the method has important significance for the research of the loading characteristics of the wing.
The double-hinged supporting beam is a structural form for simulating the supporting rigidity of the wing connecting part, and the supporting rigidity can be simulated through the deformation of the simple supporting beam, but the decoupling of the rigidity in two directions is difficult to realize, and the rigidity in two directions can be mutually influenced; the spring can also be used for realizing the simulation of supporting stiffness, the load of the connecting part of the wing is usually larger, the stiffness requirement on the spring is higher, and meanwhile, the spring designed according to the supporting load of the connecting part has poorer universality.
Disclosure of Invention
The invention aims to:
A high-universality and variable-rigidity wing part supporting device is provided, and is used for simulating the rigidity of a wing strength test supporting part.
The technical scheme is as follows:
The variable stiffness wing test support device comprises a vertical cantilever beam mechanism and a horizontal cantilever beam mechanism
The vertical cantilever beam mechanism comprises a vertical fixing plate 1, a vertical supporting sliding block 3, a vertical adjusting joint 2, a vertical joint 4, a vertical rigidity-changing beam 5 and a vertical adjusting sliding block 6;
The vertical fixing plate 1 is provided with a vertical chute or a long through hole, the vertical supporting slide block is in sliding fit with the vertical chute or the long through hole, a vertical joint is arranged on the vertical fixing plate, the rear end of the vertical rigidity-changing beam 5 is fixedly connected with the vertical joint, the vertical rigidity-changing beam is parallel to the vertical chute or the long through hole, the vertical rigidity-changing beam is in sliding fit with the vertical adjusting slide block 6, and the vertical supporting slide block 3 is fixedly connected with the vertical adjusting slide block 6; the front end of the vertical rigidity-changing beam is fixedly connected with a vertical adjusting joint 2;
The horizontal cantilever beam mechanism comprises a horizontal variable stiffness beam 14, a horizontal adjusting joint 9, a horizontal adjusting slide block 10, a horizontal joint 11, a horizontal fixing plate 12 and a horizontal supporting slide block 13;
The horizontal fixing plate 12 is provided with a horizontal chute or a long through hole, the horizontal support slide block 13 is in sliding fit with the horizontal chute or the long through hole, the horizontal fixing plate is provided with a horizontal joint 11, the rear end of the horizontal rigidity-changing beam 14 is fixedly connected with the horizontal joint, the horizontal rigidity-changing beam is arranged in parallel with the horizontal chute or the long through hole, the horizontal rigidity-changing beam is in sliding fit with the horizontal adjustment slide block 10, and the horizontal support slide block 13 is fixedly connected with the horizontal adjustment slide block 10; the front end of the horizontal variable stiffness beam is fixedly connected with a horizontal adjusting joint 9;
The wing support joint 7 is fixedly connected with one end of the vertical adjusting joint 2 and one end of the adjusting pull rod 8 respectively, and the other end of the adjusting pull rod 8 is fixedly connected with the horizontal adjusting joint 9; the vertical fixing plate and the horizontal fixing plate are mutually perpendicular.
Further, the wing support joint is fixedly connected with the vertical adjusting joint through lugs and bolts.
Further, the wing support joint 7 is fixedly connected with one end of the adjusting pull rod 8 through lugs and bolts.
Further, the other end of the adjusting pull rod 8 is fixedly connected with the horizontal adjusting joint 9 through lugs and bolts.
Further, the vertical supporting slide block 3 is fixedly connected with the vertical adjusting slide block 6 through lugs and bolts. Still further, the vertical support slider 3 has a single tab, and the vertical adjustment slider has a double tab.
Further, the horizontal support slider 13 is fixedly connected with the horizontal adjustment slider 10 through lugs and bolts. Still further, the horizontal support slider 13 has a single tab, and the horizontal adjustment slider has a double tab.
The vertical support sliding block can adjust the distance between the vertical support sliding block and the vertical joint 4 along a long hole on the vertical fixing plate; the vertical adjusting slide block can adjust the position along with the vertical supporting slide block along the vertical rigidity-changing beam, so that the distance length between the vertical adjusting joint 2 and the vertical adjusting slide block 6 is changed, (which is equivalent to adjusting the front cantilever length of the vertical rigidity-changing beam) to realize rigidity adjustment of the vertical rigidity-changing beam.
The horizontal support sliding block can adjust the distance between the horizontal support sliding block and the horizontal joint along a long hole on the horizontal fixing plate; the horizontal adjusting slide block can adjust the position along the horizontal variable stiffness beam along with the horizontal supporting slide block, so that the distance length between the horizontal adjusting joint and the horizontal adjusting slide block is changed, (which is equivalent to adjusting the cantilever length at the front end of the horizontal variable stiffness beam) to realize the stiffness adjustment of the horizontal variable stiffness beam.
The technical effects are as follows:
The variable stiffness wing supporting device provided by the invention has the following effects:
1) The simulation of the vertical and horizontal supporting rigidity of the wing supporting part can be realized;
2) By adjusting the length of the cantilever section of the variable stiffness beam, various supporting rigidities can be simulated, the universality is high, and the test cost is reduced;
each joint adopts a hinged mode, so that decoupling of vertical rigidity and horizontal rigidity can be realized, the mutual influence of rigidity in two directions is eliminated, and the test precision is improved.
Drawings
FIG. 1 is a side view of the structure of the present invention;
FIG. 2 is a schematic view of a vertical cantilever mechanism;
FIG. 3 is a schematic view of a horizontal cantilever mechanism;
FIG. 4 is a schematic structural view of a connection between a wing support joint and an adjusting lever
FIG. 5 is a schematic illustration of the initial stiffness of the present invention;
FIG. 6 is a schematic view of the present invention after stiffness adjustment;
In the figure: 1-a vertical fixing plate; 2-a vertical adjusting joint; 3-a vertical support slide block; 4-a vertical joint; 5-a vertical rigidity-variable beam; 6, vertically adjusting the sliding block; 7-wing support joints; 8-adjusting a pull rod; 9-a horizontal adjustment joint; 10-a horizontal adjustment slide block; 11-horizontal joint; 12-a horizontal fixing plate; 13-horizontal support slide blocks and 14-horizontal rigidity-changing beams.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, a variable stiffness wing test support device is provided, a vertical cantilever beam mechanism and a horizontal cantilever beam mechanism
The vertical cantilever beam mechanism comprises a vertical fixing plate 1, a vertical supporting sliding block 3, a vertical adjusting joint 2, a vertical joint 4, a vertical rigidity-changing beam 5 and a vertical adjusting sliding block 6;
The vertical fixing plate 1 is provided with a vertical chute or a long through hole, the vertical supporting slide block is in sliding fit with the vertical chute or the long through hole, a vertical joint is arranged on the vertical fixing plate, the rear end of the vertical rigidity-changing beam 5 is fixedly connected with the vertical joint, the vertical rigidity-changing beam is parallel to the vertical chute or the long through hole, the vertical rigidity-changing beam is in sliding fit with the vertical adjusting slide block 6, and the vertical supporting slide block 3 is fixedly connected with the vertical adjusting slide block 6; the front end of the vertical rigidity-changing beam is fixedly connected with a vertical adjusting joint 2;
The horizontal cantilever beam mechanism comprises a horizontal variable stiffness beam 14, a horizontal adjusting joint 9, a horizontal adjusting slide block 10, a horizontal joint 11, a horizontal fixing plate 12 and a horizontal supporting slide block 13;
The horizontal fixing plate 12 is provided with a horizontal chute or a long through hole, the horizontal support slide block 13 is in sliding fit with the horizontal chute or the long through hole, the horizontal fixing plate is provided with a horizontal joint 11, the rear end of the horizontal rigidity-changing beam 14 is fixedly connected with the horizontal joint, the horizontal rigidity-changing beam is arranged in parallel with the horizontal chute or the long through hole, the horizontal rigidity-changing beam is in sliding fit with the horizontal adjustment slide block 10, and the horizontal support slide block 13 is fixedly connected with the horizontal adjustment slide block 10; the front end of the horizontal variable stiffness beam is fixedly connected with a horizontal adjusting joint 9;
The wing support joint 7 is fixedly connected with one end of the vertical adjusting joint 2 and one end of the adjusting pull rod 8 respectively, and the other end of the adjusting pull rod 8 is fixedly connected with the horizontal adjusting joint 9; the vertical fixing plate and the horizontal fixing plate are mutually perpendicular.
The wing support joint is fixedly connected with the vertical adjusting joint through lugs and bolts.
The wing support joint 7 is fixedly connected with one end of the adjusting pull rod 8 through lugs and bolts.
The other end of the adjusting pull rod 8 is fixedly connected with the horizontal adjusting joint 9 through lugs and bolts.
The vertical supporting sliding block 3 is fixedly connected with the vertical adjusting sliding block 6 through lugs and bolts. The vertical support slide block 3 is provided with a single lug, and the vertical adjustment slide block is provided with double lugs.
The horizontal support slide block 13 is fixedly connected with the horizontal adjustment slide block 10 through lugs and bolts. The horizontal support slider 13 has a single tab and the horizontal adjustment slider has two tabs.
The foregoing is merely a detailed description of the invention, which is not a matter of routine skill in the art. However, the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily contemplated by those skilled in the art within the scope of the present invention should be included in the scope of the present invention. The protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A variable stiffness wing test support device is characterized in that: the device comprises a vertical cantilever beam mechanism, a horizontal cantilever beam mechanism, a wing support joint and an adjusting pull rod;
The vertical cantilever beam mechanism comprises a vertical fixing plate, a vertical supporting sliding block, a vertical adjusting joint, a vertical rigidity-changing beam and a vertical adjusting sliding block;
The vertical fixing plate is provided with a vertical chute or a long through hole, the vertical supporting sliding block is in sliding fit with the vertical chute or the long through hole, the vertical fixing plate is provided with a vertical joint, the rear end of the vertical rigidity-changing beam is fixedly connected with the vertical joint, the vertical rigidity-changing beam is parallel to the vertical chute or the long through hole, the vertical rigidity-changing beam is in sliding fit with the vertical adjusting sliding block, and the vertical supporting sliding block is fixedly connected with the vertical adjusting sliding block; the front end of the vertical rigidity-changing beam is fixedly connected with a vertical adjusting joint;
The horizontal cantilever beam mechanism comprises a horizontal variable stiffness beam, a horizontal adjusting joint, a horizontal adjusting slide block, a horizontal joint, a horizontal fixing plate and a horizontal supporting slide block;
The horizontal fixing plate is provided with a horizontal chute or a long through hole, the horizontal support sliding block is in sliding fit with the horizontal chute or the long through hole, the horizontal fixing plate is provided with a horizontal joint, the rear end of the horizontal rigidity-changing beam is fixedly connected with the horizontal joint, the horizontal rigidity-changing beam is parallel to the horizontal chute or the long through hole, the horizontal rigidity-changing beam is in sliding fit with the horizontal adjustment sliding block, and the horizontal support sliding block is fixedly connected with the horizontal adjustment sliding block; the front end of the horizontal variable stiffness beam is fixedly connected with a horizontal adjusting joint;
The wing support joint is fixedly connected with the vertical adjusting joint and one end of the adjusting pull rod respectively, and the other end of the adjusting pull rod is fixedly connected with the horizontal adjusting joint; the vertical fixing plate and the horizontal fixing plate are mutually perpendicular.
2. A variable stiffness wing test support device according to claim 1, wherein: the wing support joint is fixedly connected with the vertical adjusting joint through lugs and bolts.
3. A variable stiffness wing test support device according to claim 1, wherein: the wing support joint is fixedly connected with one end of the adjusting pull rod through the lug and the bolt.
4. A variable stiffness wing test support device according to claim 1, wherein: the other end of the adjusting pull rod is fixedly connected with the horizontal adjusting joint through lugs and bolts.
5. A variable stiffness wing test support device according to claim 1, wherein: the vertical supporting sliding block is fixedly connected with the vertical adjusting sliding block through lugs and bolts.
6. A variable stiffness wing test support device according to claim 5, wherein: the vertical support slide block is provided with a single lug, and the vertical adjustment slide block is provided with double lugs.
7. A variable stiffness wing test support device according to claim 1, wherein: the horizontal support sliding block is fixedly connected with the horizontal adjustment sliding block through lugs and bolts.
8. A variable stiffness wing test support device according to claim 7, wherein: the horizontal support slide block is provided with a single lug, and the horizontal adjustment slide block is provided with double lugs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211608139.5A CN118190371A (en) | 2022-12-14 | 2022-12-14 | Variable stiffness wing test supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211608139.5A CN118190371A (en) | 2022-12-14 | 2022-12-14 | Variable stiffness wing test supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118190371A true CN118190371A (en) | 2024-06-14 |
Family
ID=91393694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211608139.5A Pending CN118190371A (en) | 2022-12-14 | 2022-12-14 | Variable stiffness wing test supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118190371A (en) |
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2022
- 2022-12-14 CN CN202211608139.5A patent/CN118190371A/en active Pending
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