CN201417236Y - Clamping fixture for fatigue test of long beam tag end - Google Patents
Clamping fixture for fatigue test of long beam tag end Download PDFInfo
- Publication number
- CN201417236Y CN201417236Y CN2009201581092U CN200920158109U CN201417236Y CN 201417236 Y CN201417236 Y CN 201417236Y CN 2009201581092 U CN2009201581092 U CN 2009201581092U CN 200920158109 U CN200920158109 U CN 200920158109U CN 201417236 Y CN201417236 Y CN 201417236Y
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- board
- fatigue test
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- model
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Abstract
The utility model belongs to a technology for fatigue test of aeroplane long beam tag end structure, and relates to a clamping fixture for fatigue test of the long beam tag end. The clamping fixture is composed of a cover board, a bottom board, a retaining board, bolts and hold-down bolts, wherein the cover board is in a convex shape, the bottom edges of the cover board are connected with the bolts of the retaining board and bottom board, the top of the cover board is provided with holes uniformly, the hold-down bolts are arranged in the holes, and the center of the bottom board is provided with a lightening hole. The advantages and beneficial effects of the utility model are that the utility model is capable of preventing the bending from affecting the fatigue test result of the long beamtag end thoroughly by combining the convex cover board and the bottom board and pressing the test piece by the hold-down bolts, ensuring the reasonableness of the test result, and is suitable for fatigue test pieces with different cross sections. The utility model has a simple structure and is easy to machine.
Description
Technical field
The utility model belongs to the torture test technology of the long purlin of aircraft end structure, relates to the terminal fatigue test clamper in a kind of long purlin.
Background technology
The terminal fatigue test clamper in existing long purlin can not be avoided crooked influence to test findings fully, and the processing of late time data is exerted an influence.
At present, all be the form that adopts two groups of testpieces " back-to-back " mostly for the anti-curved measure of dissymmetrical structure, but the required testpieces of torture test of above form is many, the test period is long, test the enforcement difficulty and there is certain distortion in test findings.And the anti-angle coupling tool of " back-to-back " form needs more testpieces, as long as one of them inefficacy in the battery of tests spare, another had also just lost efficacy, and did not have suitable testing machine to test for bigger testpieces.
Summary of the invention
The purpose of this utility model provides a kind of terminal fatigue test clamper in long purlin that prevents the testpieces bending.
The technical solution of the utility model is, test fixture is made up of cover plate, base plate, backing plate, bolt and hold-down bolt, cover plate is " protruding " shape, the base of cover plate is connected with bolt with base plate with backing plate, the top of cover plate evenly has hole, hold-down bolt places hole, and the central authorities of base plate have lightening hole.Advantage that the utlity model has and beneficial effect, the utility model adopts " protruding " female cap plate to combine with base plate, and be pressed on the testpieces with hold-down bolt, thoroughly avoided crooked influence to the terminal fatigue test results in long purlin, guarantee the rationality of test findings, and be applicable to the torture test part of multiple cross section class shape.The utility model is simple in structure, is easy to processing.
Description of drawings
Fig. 1 is the utility model combination schematic top plan view;
Fig. 2 is the utility model combination elevational schematic view.
Embodiment
Test fixture is made up of cover plate 1, base plate 2, backing plate 3, bolt 4 and hold-down bolt 5, cover plate 1 is " protruding " shape, and the base of cover plate 1 is connected with base plate 2 usefulness bolts 4 with backing plate 3, and the top of cover plate 1 evenly has hole 6, hold-down bolt 5 places hole 6, and the central authorities of base plate 2 have lightening hole 7.
During test, cover plate 1 is connected by bolt 4 with base plate 2 with backing plate 3, is pressed in respectively on two surfaces of testpieces covering 8; Hold-down bolt 5 passes hole 6 and withstands on edge strip 11 on the long purlin 9, the following edge strip 10.
Claims (1)
1. the terminal fatigue test clamper in one kind long purlin, it is characterized in that, test fixture is made up of cover plate (1), base plate (2), backing plate (3), bolt (4) and hold-down bolt (5), cover plate (1) is " protruding " shape, the base of cover plate (1) is connected with bolt (4) with base plate (2) with backing plate (3), the top of cover plate (1) evenly has hole (6), and hold-down bolt (5) places hole (6), and the central authorities of base plate (2) have lightening hole (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201581092U CN201417236Y (en) | 2009-06-04 | 2009-06-04 | Clamping fixture for fatigue test of long beam tag end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201581092U CN201417236Y (en) | 2009-06-04 | 2009-06-04 | Clamping fixture for fatigue test of long beam tag end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201417236Y true CN201417236Y (en) | 2010-03-03 |
Family
ID=41793660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201581092U Expired - Lifetime CN201417236Y (en) | 2009-06-04 | 2009-06-04 | Clamping fixture for fatigue test of long beam tag end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201417236Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116334A (en) * | 2011-03-18 | 2011-07-06 | 西安飞机工业（集团）有限责任公司 | Orthogonal positioning compacting mechanism |
| CN107063852A (en) * | 2017-03-23 | 2017-08-18 | 西安飞机工业（集团）有限责任公司 | A kind of stringer class formation test fixture |
| CN111766140A (en) * | 2020-06-05 | 2020-10-13 | 中国飞机强度研究所 | Single lap joint structural plane external bending deformation limit test device |
-
2009
- 2009-06-04 CN CN2009201581092U patent/CN201417236Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116334A (en) * | 2011-03-18 | 2011-07-06 | 西安飞机工业（集团）有限责任公司 | Orthogonal positioning compacting mechanism |
| CN107063852A (en) * | 2017-03-23 | 2017-08-18 | 西安飞机工业（集团）有限责任公司 | A kind of stringer class formation test fixture |
| CN111766140A (en) * | 2020-06-05 | 2020-10-13 | 中国飞机强度研究所 | Single lap joint structural plane external bending deformation limit test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100303 |