CN201972741U - Centering and positioning device - Google Patents
Centering and positioning device Download PDFInfo
- Publication number
- CN201972741U CN201972741U CN 201020674752 CN201020674752U CN201972741U CN 201972741 U CN201972741 U CN 201972741U CN 201020674752 CN201020674752 CN 201020674752 CN 201020674752 U CN201020674752 U CN 201020674752U CN 201972741 U CN201972741 U CN 201972741U
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- CN
- China
- Prior art keywords
- centering
- projection
- draw
- positioning device
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The utility model relates to a centering and positioning device, which is characterized in that the centering and positioning device comprises a machine case, convex blocks, blades and a lower edge plate, wherein clamp grooves are formed on the circumference of the inner wall of the machine case, the convex blocks are clamped in the clamp grooves, gaps are formed between the top end of the convex blocks and the bottom of the clamp grooves, the blades are connected with the lower edge plate, and the convex blocks are connected with the lower edge plate. The centering and positioning device has the advantages that the structure of the centering and positioning device is simple, the precise centering and positioning is realized, the use requirement is met, and the structure and the work are reliable.
Description
Technical field
The utility model relates to mechanical structure field, particularly a kind of centering, positioning device.
Background technique
The gas turbine of band domain nozzle ring, hot nozzle ring radial dimension is compared widely different with cold conditions nozzle ring radial dimension, centering, location difficulty between nozzle ring and the turbine casing.Existing monolithic, multi-joint nozzle ring supporting structure form can not allow the free expansion on diametric(al) of domain nozzle ring, can not satisfy the needs that domain guider is hot, the cold conditions radial dimension changes back centering, circumferentially locatees.
The model utility content
The purpose of this utility model is that the spy provides a kind of centering, positioning device for the problem that solves centering, locatees.
The utility model provides a kind of centering, positioning device, it is characterized in that: described centering, positioning device comprise casing 1, projection 2, blade 3, inframarginal 4;
Wherein: have draw-in groove 5 on the inwall circumference of casing 1, projection 2 is stuck in the draw-in groove 5, and the bottom of the top of projection 2 and draw-in groove 5 has the gap, and blade 3 is connected with inframarginal 4, and projection 2 is connected with inframarginal 4.
Draw-in groove 5 residing circumference concentrics on described projection 2 residing circumference and the casing 1.
The number of described projection 2 is 6～10.
The number of described draw-in groove 5 is 6～10.
Projection 2 is inlaid in the draw-in groove 5, and when casing 1 occurred changing with the guider diameter dimension, uniform projection slided in uniform draw-in groove uniformly, satisfies to reach that domain guider is hot, the cold conditions radial dimension changes back centering, circumferentially locate purpose.
Advantage of the present utility model:
Centering described in the utility model, positioning device, simple in structure, realize feeling relieved accurately, locating, satisfy usage requirement, arrangement works is reliable.
Description of drawings
Below in conjunction with drawings and the embodiments the utility model is described in further detail:
Fig. 1 is centering, positioning device theory structure schematic representation.
Embodiment
Embodiment 1
Present embodiment provides a kind of centering, positioning device, it is characterized in that: described centering, positioning device comprise casing 1, projection 2, blade 3, inframarginal 4;
Wherein: have draw-in groove 5 on the inwall circumference of casing 1, projection 2 is stuck in the draw-in groove 5, and the bottom of the top of projection 2 and draw-in groove 5 has the gap, and blade 3 is connected with inframarginal 4, and projection 2 is connected with inframarginal 4.
Draw-in groove 5 residing circumference concentrics on described projection 2 residing circumference and the casing 1.
The number of described projection 2 is 6.
The number of described draw-in groove 5 is 6.
Projection 2 is inlaid in the draw-in groove 5, and when casing 1 occurred changing with the guider diameter dimension, uniform projection slided in uniform draw-in groove uniformly, satisfies to reach that domain guider is hot, the cold conditions radial dimension changes back centering, circumferentially locate purpose.
Embodiment 2
Present embodiment provides a kind of centering, positioning device, it is characterized in that: described centering, positioning device comprise casing 1, projection 2, blade 3, inframarginal 4;
Wherein: have draw-in groove 5 on the inwall circumference of casing 1, projection 2 is stuck in the draw-in groove 5, and the bottom of the top of projection 2 and draw-in groove 5 has the gap, and blade 3 is connected with inframarginal 4, and projection 2 is connected with inframarginal 4.
Draw-in groove 5 residing circumference concentrics on described projection 2 residing circumference and the casing 1.
The number of described projection 2 is 8.
The number of described draw-in groove 5 is 8.
Projection 2 is inlaid in the draw-in groove 5, and when casing 1 occurred changing with the guider diameter dimension, uniform projection slided in uniform draw-in groove uniformly, satisfies to reach that domain guider is hot, the cold conditions radial dimension changes back centering, circumferentially locate purpose.
Embodiment 3
Present embodiment provides a kind of centering, positioning device, it is characterized in that: described centering, positioning device comprise casing 1, projection 2, blade 3, inframarginal 4;
Wherein: have draw-in groove 5 on the inwall circumference of casing 1, projection 2 is stuck in the draw-in groove 5, and the bottom of the top of projection 2 and draw-in groove 5 has the gap, and blade 3 is connected with inframarginal 4, and projection 2 is connected with inframarginal 4.
Draw-in groove 5 residing circumference concentrics on described projection 2 residing circumference and the casing 1.
The number of described projection 2 is 10.
The number of described draw-in groove 5 is 10.
Projection 2 is inlaid in the draw-in groove 5, and when casing 1 occurred changing with the guider diameter dimension, uniform projection slided in uniform draw-in groove uniformly, satisfies to reach that domain guider is hot, the cold conditions radial dimension changes back centering, circumferentially locate purpose.
Claims (4)
1. a centering, positioning device, it is characterized in that: described centering, positioning device comprise casing (1), projection (2), blade (3), inframarginal (4);
Wherein: have draw-in groove (5) on the inwall circumference of casing (1), projection (2) is stuck in the draw-in groove (5), and the bottom of the top of projection (2) and draw-in groove (5) has the gap, and blade (3) is connected with inframarginal (4), and projection (2) is connected with inframarginal (4).
2. according to the described centering of claim 1, positioning device, it is characterized in that: the residing circumference concentric of draw-in groove (5) on residing circumference of described projection (2) and the casing (1).
3. according to the described centering of claim 1, positioning device, it is characterized in that: the number of described projection (2) is 6～10.
4. according to the described centering of claim 1, positioning device, it is characterized in that: the number of described draw-in groove (5) is 6～10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020674752 CN201972741U (en) | 2010-12-23 | 2010-12-23 | Centering and positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020674752 CN201972741U (en) | 2010-12-23 | 2010-12-23 | Centering and positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201972741U true CN201972741U (en) | 2011-09-14 |
Family
ID=44577848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020674752 Expired - Fee Related CN201972741U (en) | 2010-12-23 | 2010-12-23 | Centering and positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201972741U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821771A (en) * | 2012-11-15 | 2014-05-28 | 航空技术空间股份有限公司 | Radial attachment and positioning flanges for axial turbomachine casing sections |
| CN105865386A (en) * | 2016-06-17 | 2016-08-17 | 苏州天准科技股份有限公司 | Centering adjusting device |
-
2010
- 2010-12-23 CN CN 201020674752 patent/CN201972741U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821771A (en) * | 2012-11-15 | 2014-05-28 | 航空技术空间股份有限公司 | Radial attachment and positioning flanges for axial turbomachine casing sections |
| CN105865386A (en) * | 2016-06-17 | 2016-08-17 | 苏州天准科技股份有限公司 | Centering adjusting device |
| CN105865386B (en) * | 2016-06-17 | 2019-03-08 | 苏州天准科技股份有限公司 | Centering adjusting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20151223 |
|
| EXPY | Termination of patent right or utility model |