CN201583221U - Pitch-measuring tool of diamond-shaped moving blade shroud of steam turbine - Google Patents
Pitch-measuring tool of diamond-shaped moving blade shroud of steam turbine Download PDFInfo
- Publication number
- CN201583221U CN201583221U CN2009202207468U CN200920220746U CN201583221U CN 201583221 U CN201583221 U CN 201583221U CN 2009202207468 U CN2009202207468 U CN 2009202207468U CN 200920220746 U CN200920220746 U CN 200920220746U CN 201583221 U CN201583221 U CN 201583221U
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- China
- Prior art keywords
- pitch
- angle
- steam turbine
- measuring
- diamond
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- 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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Abstract
The utility model relates to a pitch-measuring tool of a diamond-shaped moving blade shroud of a steam turbine, which comprises a bottom board and a measuring block fixed on the bottom board. The innovation of the pitch-measuring tool is as follows: the measuring block is formed by the means that a right angled triangle with the acute angle of 60 degrees is cut from the long edge of a rectangular mould, and the short right-angle edge of the right angled triangle is provided with a right trapezoid cavity body. The pitch-measuring tool has the following advantages: a right angled triangle region which is cut from the long edge of the measuring block is exactly embedded with a diamond-shaped moving blade with the acute angle of 60 degrees, and the right trapezoid at one side of the right angled triangle can contain a blade body which extends out of the outline of the shroud, so that the tool can measure the pitch with a micrometer by taking the other long edge of the mould as the standard, is convenient in use, and has fast measuring speed and high efficiency.
Description
Technical field
The utility model relates to a kind of frock, particularly a kind of measurement frock of MEASUREMENT OF STEAM turbine rhombus moving vane integral shroud pitch.
Background technology
Turbine blade is interior conversion of air-flow function and the strength member that changes airflow direction realized of the gas channel of steam turbine.It is made up of integral shroud, blade and blade root, need carry out quality testing when the integral shroud of processing rhombus moving vane, and when measuring the integral shroud pitch of irregular rhombus moving vane, can't determine the measuring basis face, uses miking very inconvenient.
The utility model content
The technical problems to be solved in the utility model provides a kind of measurement frock that is convenient for measuring steam turbine rhombus moving vane integral shroud pitch.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of steam turbine rhombus moving vane integral shroud pitch is measured frock, comprise base plate and be fixed on measurement piece on the base plate, its innovative point is: the right-angle triangle that cuts an acute angle on the long limit of described measurement piece by a rectangle template and be 60 ° constitutes, the long right-angle side of described right-angle triangle overlaps with the long limit of rectangle template, have the trapezoidal cavity in a right angle on its short right-angle side, the upper base of described right-angled trapezium overlaps with the short right-angle side of right-angle triangle, and is shorter than this weak point right-angle side.
Advantage of the present utility model is: the just chimeric acute angle in right-angle triangle zone that cuts on the measurement block length limit is 60 ° a rhombus moving vane integral shroud, and the right-angled trapezium of right-angle triangle one side can be held the blade that stretches out the integral shroud profile, can be that benchmark uses milscale to carry out the measurement of pitch with another long limit of template like this, easy to use, measuring speed is fast, the efficient height.
Description of drawings
Fig. 1 is the structural representation that steam turbine rhombus moving vane integral shroud pitch of the present utility model is measured frock.
Fig. 2 is the user mode figure that steam turbine rhombus moving vane integral shroud pitch of the present utility model is measured frock.
Embodiment
As shown in Figure 1, the utility model relates to a kind of measurement frock of steam turbine rhombus moving vane integral shroud pitch, and it comprises base plate 1, rectangle template 2, right-angle triangle 3, right-angled trapezium cavity 4.
Above-mentioned base plate 1 is provided with a measurement piece that is used to measure irregular rhombus moving vane integral shroud pitch, this measurement piece is by being bolted on the base plate 1, its concrete structure is: cut a right-angle triangle 3 on the long limit of this measurement piece by a rectangle template 2 and constitute, the acute angle of this right-angle triangle 3 is 60 °, its long right-angle side overlaps with the long limit of rectangle template 2, and short right-angle side is parallel with the minor face of rectangle template 2.Simultaneously, have the trapezoidal cavity 4 in a right angle on the short right-angle side of right-angle triangle 3, its upper base overlaps with the short right-angle side of right-angle triangle 3, and its length is less than short right-angle side.
During measurement, as shown in Figure 2, integral shroud 5 inversions of rhombus moving vane are placed on the base plate 1, and be that 60 ° rhombus integral shroud and rectangle template 2 is chimeric with acute angle, make integral shroud wherein a pitch face A touch the long limit of rectangle template 2, and right-angled trapezium cavity 4 can hold the blade 6 that moving vane exceeds the integral shroud profile, make the rhombus integral shroud fit with the measurement piece fully, the long limit of another that promptly can rectangle template 2 is a benchmark, by the distance D between miking itself and the integral shroud pitch face B far away, deduct the bond length L of rectangle template 2 again, can obtain the pitch D-L of this integral shroud.Measuring speed is fast, the efficient height.
Claims (1)
1. a steam turbine rhombus moving vane integral shroud pitch is measured frock, comprise base plate and be fixed on measurement piece on the base plate, it is characterized in that: the right-angle triangle that cuts an acute angle on the long limit of described measurement piece by a rectangle template and be 60 ° constitutes, the long right-angle side of described right-angle triangle overlaps with the long limit of rectangle template, have the trapezoidal cavity in a right angle on its short right-angle side, the upper base of described right-angled trapezium overlaps with the short right-angle side of right-angle triangle, and is shorter than this weak point right-angle side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202207468U CN201583221U (en) | 2009-11-03 | 2009-11-03 | Pitch-measuring tool of diamond-shaped moving blade shroud of steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202207468U CN201583221U (en) | 2009-11-03 | 2009-11-03 | Pitch-measuring tool of diamond-shaped moving blade shroud of steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201583221U true CN201583221U (en) | 2010-09-15 |
Family
ID=42725223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202207468U Expired - Fee Related CN201583221U (en) | 2009-11-03 | 2009-11-03 | Pitch-measuring tool of diamond-shaped moving blade shroud of steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201583221U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519333A (en) * | 2011-12-30 | 2012-06-27 | 无锡透平叶片有限公司 | Measuring tool for pitch of integral shroud and lug boss of blade |
| CN104061830B (en) * | 2014-06-13 | 2017-02-15 | 南京赛达机械制造有限公司 | Comprehensive measuring tool for measuring internal back arc steam passage and steam outlet edge height of steam turbine vane |
-
2009
- 2009-11-03 CN CN2009202207468U patent/CN201583221U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519333A (en) * | 2011-12-30 | 2012-06-27 | 无锡透平叶片有限公司 | Measuring tool for pitch of integral shroud and lug boss of blade |
| CN104061830B (en) * | 2014-06-13 | 2017-02-15 | 南京赛达机械制造有限公司 | Comprehensive measuring tool for measuring internal back arc steam passage and steam outlet edge height of steam turbine vane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20121103 |