CN219684485U - Hole expanding tool for assembling stator blade of gas turbine - Google Patents
Hole expanding tool for assembling stator blade of gas turbine Download PDFInfo
- Publication number
- CN219684485U CN219684485U CN202222983367.2U CN202222983367U CN219684485U CN 219684485 U CN219684485 U CN 219684485U CN 202222983367 U CN202222983367 U CN 202222983367U CN 219684485 U CN219684485 U CN 219684485U
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- hole
- head
- cylinder
- hole expanding
- punch
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- 230000000630 rising effect Effects 0.000 claims description 4
- 238000005336 cracking Methods 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The utility model aims to provide a gas turbine stationary blade assembly hole expanding tool which comprises a primary hole expanding tool body and a first punch head, wherein the primary hole expanding tool body comprises a first cylinder and a first cone part connected with the first cylinder, the first cone part is in a 60-degree angle, a cylindrical mounting hole is formed in the first cone part, the first punch head comprises a mounting cylinder and a hole expanding head connected with the mounting cylinder, the hole expanding head comprises a conical part and a cylindrical part connected with the conical part, the conical part of the hole expanding head is in a 60-degree angle, and the mounting cylinder of the first punch head is mounted in the cylindrical mounting hole of the first punch body. The utility model has higher stability and accuracy. The size and depth of the expansion hole are limited by the size of the punch head. Simultaneously, two kinds of hole expanding tools are adopted, namely a first hole expanding tool is used, and a second hole expanding tool is used. The drawing requirements are met gradually, and the situation of cracking is avoided as far as possible.
Description
Technical Field
The utility model relates to a hole expanding tool, in particular to a gas turbine stationary blade hole expanding tool.
Background
The stator blade of the gas turbine compressor is one of core components of the gas turbine, and the quality of the stator blade directly influences the compression ratio of the gas turbine, so that the combustion quality and the power generation efficiency are further influenced. In the assembling process of the stator blade ring, the stator blade tips are required to be penetrated into the stator blade ring and fixed through a hole expanding tool. When a traditional hole expanding tool operator uses a hole expanding, the situation that the hole expanding is not tight or cracks frequently occurs.
Disclosure of Invention
The utility model aims to provide a gas turbine stationary blade assembly hole expanding tool which is convenient to operate and capable of improving the accuracy of a hole expanding and enabling the hole expanding position to meet design requirements.
The purpose of the utility model is realized in the following way:
the utility model relates to a gas turbine stationary blade assembly hole expanding tool, which is characterized in that: including once rising the hole instrument, once rising the hole instrument includes first punch body, first punch head, first punch body includes first cylinder and the first cone that links to each other with first cylinder, and first cone is 60 degrees angles, sets up the cylinder type mounting hole in the first cone, first punch head includes the mounting cylinder and rises the hole head rather than linking to each other, rise the hole head and include the circular cone part and the circular cylinder part rather than linking to each other, the circular cone part that rises the hole head is 60 degrees angles, and the mounting cylinder of first punch head is installed in the cylinder type mounting hole of first punch body.
The utility model may further include:
1. the secondary hole expanding tool comprises a second punch body and a second punch head, wherein the second punch body comprises a second cylinder and a second cone part connected with the second cylinder, the second cone part is in a 90-degree angle, a cylindrical mounting hole is formed in the second cone part, the second punch head comprises a mounting cylinder and a hole expanding head connected with the mounting cylinder, the hole expanding head comprises a conical part and a cylindrical part connected with the conical part, the conical part of the hole expanding head is in a 90-degree angle, and the mounting cylinder of the second punch head is mounted in the cylindrical mounting hole of the second punch body.
2. The end of the cylindrical part of the hole expanding head of the primary hole expanding tool is rounded.
3. The end of the cylindrical part of the hole expanding head of the secondary hole expanding tool is rounded.
The utility model has the advantages that: the utility model has higher stability and accuracy. The size and depth of the expansion hole are limited by the size of the punch head. Simultaneously, two kinds of hole expanding tools are adopted, namely a first hole expanding tool is used, and a second hole expanding tool is used. The drawing requirements are met gradually, and the situation of cracking is avoided as far as possible.
Drawings
FIG. 1 is a schematic illustration of a hole expanding component;
fig. 2a is a schematic structural view of a primary hole expanding tool, fig. 2b is a schematic structural view of a first punch body, and fig. 2c is a schematic structural view of a first punch head;
fig. 3a is a schematic structural view of a secondary hole expanding tool, fig. 3b is a schematic structural view of a second punch body, and fig. 3c is a schematic structural view of a second punch head.
Detailed Description
The utility model is described in more detail below, by way of example, with reference to the accompanying drawings:
with reference to fig. 1-3c, the object of the present utility model is achieved by the following technical solutions: the utility model provides a gas turbine stator blade assembly hole-expanding tool, its constitution includes a hole-expanding tool 1, a hole-expanding tool 2. The primary hole expanding tool 1 consists of a first punch body 3 and a first punch head 4, and the secondary hole expanding tool 2 consists of a second punch body 5 and a second punch head 6.
The first punch body 3 comprises a first cylinder and a first cone part connected with the first cylinder, the first cone part is at an angle of 60 degrees, a cylindrical mounting hole is formed in the first cone part, the first punch head 4 comprises a mounting cylinder and a hole expanding head connected with the mounting cylinder, the hole expanding head comprises a conical part and a cylindrical part connected with the conical part, the conical part of the hole expanding head is at an angle of 60 degrees, and the mounting cylinder of the first punch head 4 is mounted in the cylindrical mounting hole of the first punch body 3.
The secondary hole expanding tool 2 has basically the same structure as the primary hole expanding tool 1, and the difference is that the conical part of the secondary hole expanding tool 2 is at a 90-degree angle and the conical part is at a 90-degree angle.
When the hole expanding tool is used, two kinds of hole expanding tools are adopted simultaneously, and the first kind of hole expanding tool is used and the second kind of hole expanding tool is used.
Claims (4)
1. A gas turbine stationary blade assembly hole-expanding tool is characterized in that: including once rising the hole instrument, once rising the hole instrument includes first punch body, first punch head, first punch body includes first cylinder and the first cone that links to each other with first cylinder, and first cone is 60 degrees angles, sets up the cylinder type mounting hole in the first cone, first punch head includes the mounting cylinder and rises the hole head rather than linking to each other, rise the hole head and include the circular cone part and the circular cylinder part rather than linking to each other, the circular cone part that rises the hole head is 60 degrees angles, and the mounting cylinder of first punch head is installed in the cylinder type mounting hole of first punch body.
2. The gas turbine vane assembly expansion tool of claim 1, wherein: the gas turbine stationary blade assembly expansion hole tool further comprises: the secondary hole expanding tool comprises a second punch body and a second punch head; the second punch body comprises a second cylinder and a second cone part connected with the second cylinder, the second cone part is in a 90-degree angle, a cylindrical mounting hole is formed in the second cone part, the second punch head comprises a mounting cylinder and a second expansion hole head connected with the mounting cylinder, the conical part of the second expansion hole head is in a 90-degree angle, and the mounting cylinder of the second punch head is mounted in the cylindrical mounting hole of the second punch body.
3. The gas turbine vane assembly expansion tool of claim 1, wherein: the end of the cylindrical part of the hole expanding head of the primary hole expanding tool is rounded.
4. The gas turbine vane assembly expansion tool of claim 2, wherein: the end of the cylindrical part of the hole expanding head of the secondary hole expanding tool is rounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222983367.2U CN219684485U (en) | 2022-11-09 | 2022-11-09 | Hole expanding tool for assembling stator blade of gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222983367.2U CN219684485U (en) | 2022-11-09 | 2022-11-09 | Hole expanding tool for assembling stator blade of gas turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219684485U true CN219684485U (en) | 2023-09-15 |
Family
ID=87940780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222983367.2U Active CN219684485U (en) | 2022-11-09 | 2022-11-09 | Hole expanding tool for assembling stator blade of gas turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219684485U (en) |
-
2022
- 2022-11-09 CN CN202222983367.2U patent/CN219684485U/en active Active
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