CN220772545U - Fatigue test fixture for clamping piece of rectifying blade sealing piece - Google Patents
Fatigue test fixture for clamping piece of rectifying blade sealing piece Download PDFInfo
- Publication number
- CN220772545U CN220772545U CN202322668659.1U CN202322668659U CN220772545U CN 220772545 U CN220772545 U CN 220772545U CN 202322668659 U CN202322668659 U CN 202322668659U CN 220772545 U CN220772545 U CN 220772545U
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- fixing
- fatigue test
- limiting hole
- cover plate
- test fixture
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- 238000007789 sealing Methods 0.000 title claims abstract description 44
- 238000009661 fatigue test Methods 0.000 title claims abstract description 19
- 238000012360 testing method Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 6
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a clamp for testing fatigue of a clamping piece of a sealing piece of a rectifying blade, which belongs to the technical field of clamps and comprises the following components: upper portion fixed subassembly, lower part fixed block, guide post, upper portion fixed subassembly includes: the upper cover plate is arranged above the upper fixed block, two ends of the upper cover plate are fastened and connected through fixing bolts, a protruding fixed part is arranged below the upper fixed block, and a first limiting hole and a positioning groove are formed in the fixed part; the middle of the lower fixing block is provided with an upward protruding clamp platform, two sides of the clamp platform are fixedly connected downward through a fastening bolt, and the clamp platform is provided with a second limiting hole; the guide post is arranged in the first limiting hole and the second limiting hole. The utility model has simple structure, can realize quick positioning and fixing, ensures that running cannot occur in the fatigue test process, has high stability and improves the test efficiency.
Description
Technical Field
The utility model relates to the technical field of clamps, in particular to a clamp for testing fatigue of a rectifying blade sealing piece card.
Background
The rectifying vane sealing piece card is an important part in an aeroengine, and because the pressure of the air flow is increased after passing through the rectifying vane, if a sealing structure is not added at the connecting position of the rectifying vane, the air flow can flow backwards and leak, the inner flow channel gas is seriously influenced, and the stability of the engine is influenced.
Under the working condition of high strength, the anti-fatigue capability of the rectifying vane sealing sheet card needs to be strictly tested, so that the quality of the rectifying vane sealing sheet card is ensured. Because the shape of the rectifying vane sealing piece card is irregular, the rectifying vane sealing piece card has an arc-shaped surface and is bent, the rectifying vane sealing piece card is inconvenient to fix, and a common clamp easily slides in the testing process, so that the test is influenced.
Disclosure of Invention
The utility model aims at: the fatigue test fixture for the rectifying blade sealing piece clamping piece solves the problems that clamping is unstable in the test process, sliding is easy to occur, and the test result is affected.
The technical scheme is as follows: the utility model provides a clamp for testing fatigue of a clamping piece of a sealing piece of a rectifying blade, which comprises the following components: upper portion fixed subassembly, lower part fixed block, guide post, upper portion fixed subassembly includes: the upper cover plate is arranged above the upper fixed block, two ends of the upper cover plate are fastened and connected through fixing bolts, a protruding fixed part is arranged below the upper fixed block, and a first limiting hole and a positioning groove are formed in the fixed part; the middle of the lower fixing block is provided with an upward protruding clamp platform, two sides of the clamp platform are fixedly connected downward through a fastening bolt, and the clamp platform is provided with a second limiting hole; the guide post is arranged in the first limiting hole and the second limiting hole. The upper fixing component and the lower fixing block clamp the rectifying vane sealing piece card, the guide post can penetrate through two holes on the rectifying vane sealing piece card, the upper end and the lower end are inserted into the first limiting hole and the second limiting hole to fix the rectifying vane sealing piece card, the locating groove can enable one protruding side of the rectifying vane sealing piece card to be clamped into the first limiting hole and the second limiting hole, positioning is performed rapidly, and positioning efficiency is improved.
Further, according to the rectifying blade sealing piece clamping piece fatigue test clamp, the middle parts of the upper cover plate and the upper fixing block are all semicircular, and a complete circular through hole is formed in the middle of connection of the upper cover plate and the upper fixing block.
Further, according to the rectifying blade sealing piece clamping piece fatigue test clamp, the fixing portion is arranged below the middle semicircular design of the upper fixing block, and the size of the fixing portion is equal to that of the clamp platform.
Further, according to the rectifying blade sealing piece clamping piece fatigue test clamp, the first limiting holes are opposite to the second limiting holes, and the inner diameters are equal.
Further, according to the rectifying blade sealing piece clamping piece fatigue test clamp, the diameter of the guide post is smaller than the inner diameters of the first limiting hole and the second limiting hole. The insertion of the guide post is convenient, so that the limit is ensured, and the testing efficiency can be improved.
Further, according to the rectifying blade sealing piece clamping piece fatigue test clamp, the fixing holes which outwards extend to the outer sides of the fixing parts are formed in the locating grooves, and the fastening pins are arranged in the fixing holes. The fastening pin can be used for supporting the part of the rectifying blade sealing piece card entering the positioning groove from the side surface to fix, so that running in the testing process is prevented.
The technical scheme can be seen that the utility model has the following beneficial effects: the clamp for testing fatigue of the rectifying vane sealing piece clamping piece is simple in structure, the rectifying vane sealing piece clamping piece is limited and fixed through the guide post, the upper fixing block is provided with the locating groove for clamping the protruding part of the rectifying vane sealing piece clamping piece into the locating groove, the locating groove is connected with the fixing hole, the side face of the Kong Dingzhu rectifying vane sealing piece clamping piece is inserted and fixed through the fastening pin, further fixation is conducted, running of the rectifying vane sealing piece clamping piece in the testing process is prevented, the clamping effect is good, and the fatigue testing efficiency is improved.
Drawings
FIG. 1 is a schematic structural diagram of a clamp for testing fatigue of a sealing piece of a rectifying blade;
FIG. 2 is a schematic view of an upper mounting block of the present utility model;
FIG. 3 is a schematic view of an upper cover plate of the present utility model;
FIG. 4 is a schematic view of the lower fixing block structure of the present utility model;
fig. 5 is a schematic view of a card of the rectifying vane sealing sheet clamped by the clamp of the present utility model.
In the figure: the upper fixing assembly 1, the lower fixing block 2, the guide post 3, the upper cover plate 11, the upper fixing block 12, the clamp platform 21, the fixing part 121, the first limiting hole 122, the positioning groove 123, the fixing hole 124, the fastening pin 125 and the second limiting hole 211.
Detailed Description
Example 1
The utility model provides a rectification blade sealing piece card fatigue test anchor clamps as shown in fig. 1-4, includes: upper fixing assembly 1, lower fixing block 2, guide post 3, upper fixing assembly 1 includes: the upper cover plate 11 and the upper fixed block 12, wherein the upper cover plate 11 is arranged above the upper fixed block 12, two ends of the upper cover plate are fastened and connected through fixing bolts, a protruding fixed part 121 is arranged below the upper fixed block 12, and a first limiting hole 122 and a positioning groove 123 are formed in the fixed part 121; the middle of the lower fixed block 2 is provided with an upward protruding clamp platform 21, two sides of the clamp platform 21 are fixedly connected downward through a fastening bolt, and the clamp platform 21 is provided with a second limiting hole 211; the guide post 3 is disposed in the first limiting hole 122 and the second limiting hole 211.
The fatigue test fixture for the rectifying vane sealing piece clamping piece is shown in fig. 2-3, wherein the middle parts of the upper cover plate 11 and the upper fixing block 12 are respectively provided with a semicircular design, and the upper cover plate 11 and the upper fixing block 12 are connected with the middle part to form a complete circular through hole.
In this embodiment, the fixing portion 121 is disposed below the middle semicircular design of the upper fixing block 12, the size of the fixing portion 121 is equal to that of the fixture platform 21, and the first limiting hole 122 is opposite to the second limiting hole 211, and the inner diameters are equal.
Example 2
In this embodiment, as shown in fig. 2, a fixing hole 124 extending outwards to the outside of the fixing portion 121 is provided in the positioning groove 123.
In this embodiment, a fastening pin 125 is disposed in the fixing hole 124.
In this embodiment, the diameter of the guide post 3 is smaller than the inner diameters of the first limiting hole 122 and the second limiting hole 211. Therefore, the guide post 3 can be conveniently inserted, the limit is ensured, and the test efficiency can be improved.
As shown in fig. 1 and 5, the rectifying vane sealing piece card has two through holes, one side of the rectifying vane sealing piece card has a convex side, when the jig is used, the convex side of the rectifying vane sealing piece card is placed into the positioning groove 123, the guide post 3 passes through the two through holes on the rectifying vane sealing piece card, and then is inserted into the first limiting hole 122 and the second limiting hole 211, and is clamped and fixed up and down, and finally the fastening pin 125 is inserted into the fixing hole 124 to prop against the side of the rectifying vane sealing piece card, so as to prevent running in the testing process.
It should be noted that the above description is only a technical solution of the utility model, and is not limiting. While the utility model has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents substituted for elements thereof without departing from the scope of the utility model, which is to be encompassed by the appended claims.
Claims (7)
1. A rectification blade sealing piece card fatigue test anchor clamps, its characterized in that: comprising the following steps:
an upper fixing assembly (1), the upper fixing assembly (1) comprising: the upper cover plate (11) and an upper fixed block (12), wherein the upper cover plate (11) is arranged above the upper fixed block (12), two ends of the upper cover plate are connected through fixing bolts in a fastening mode, a protruding fixed part (121) is arranged below the upper fixed block (12), and a first limiting hole (122) and a positioning groove (123) are formed in the fixed part (121);
the lower fixing block (2), the middle of the lower fixing block (2) is provided with a clamp platform (21) protruding upwards, two sides of the clamp platform are connected with each other in a downward fastening way through a fastening bolt, and the clamp platform (21) is provided with a second limiting hole (211);
the guide post (3), guide post (3) set up in first spacing hole (122) and second spacing hole (211).
2. The rectifying vane sealing sheet card fatigue test fixture according to claim 1, wherein: the middle parts of the upper cover plate (11) and the upper fixing block (12) are all semicircular, and a complete circular through hole is formed in the middle of the connection of the upper cover plate (11) and the upper fixing block (12).
3. The rectifying vane sealing sheet card fatigue test fixture according to claim 1, wherein: the fixing part (121) is arranged below the middle semicircular design of the upper fixing block (12), and the size of the fixing part (121) is equal to that of the clamp platform (21).
4. The rectifying vane sealing sheet card fatigue test fixture according to claim 1, wherein: the first limiting holes (122) are opposite to the second limiting holes (211), and the inner diameters of the first limiting holes and the second limiting holes are equal.
5. The rectifying vane sealing sheet card fatigue test fixture according to claim 1, wherein: and a fixing hole (124) which extends outwards to the outer side of the fixing part (121) is formed in the positioning groove (123).
6. The rectifying vane sealing sheet card fatigue test fixture according to claim 5, wherein: a fastening pin (125) is arranged in the fixing hole (124).
7. The rectifying vane sealing sheet card fatigue test fixture according to claim 1, wherein: the diameter of the guide post (3) is smaller than the inner diameters of the first limiting hole (122) and the second limiting hole (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322668659.1U CN220772545U (en) | 2023-10-07 | 2023-10-07 | Fatigue test fixture for clamping piece of rectifying blade sealing piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322668659.1U CN220772545U (en) | 2023-10-07 | 2023-10-07 | Fatigue test fixture for clamping piece of rectifying blade sealing piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220772545U true CN220772545U (en) | 2024-04-12 |
Family
ID=90605433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322668659.1U Active CN220772545U (en) | 2023-10-07 | 2023-10-07 | Fatigue test fixture for clamping piece of rectifying blade sealing piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220772545U (en) |
-
2023
- 2023-10-07 CN CN202322668659.1U patent/CN220772545U/en active Active
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