CN104061830A - Comprehensive measuring tool for measuring internal back arc steam passage and steam outlet edge height of steam turbine vane - Google Patents
Comprehensive measuring tool for measuring internal back arc steam passage and steam outlet edge height of steam turbine vane Download PDFInfo
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- CN104061830A CN104061830A CN201410265177.4A CN201410265177A CN104061830A CN 104061830 A CN104061830 A CN 104061830A CN 201410265177 A CN201410265177 A CN 201410265177A CN 104061830 A CN104061830 A CN 104061830A
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- cushion block
- integral shroud
- measuring tool
- vane
- arc
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Abstract
The invention discloses a comprehensive measuring tool for measuring an internal back steam passage and the steam outlet edge height of a steam turbine vane. A vane crown cushion block is arranged at one end of a measuring tool bottom plate in the length direction. A vane root cushion block is arranged at the other end of the measuring tool bottom plate in the length direction. The length direction of the vane crown cushion block is parallel with that of the vane root cushion block. The end face, far away from the vane root cushion block, of the vane crown cushion block is tangent with a cylindrical pin, and the cylindrical pin is arranged in an installation hole in a sleeved mode, wherein the installation hole is formed in the measuring tool bottom plate and matched with the cylindrical pin. The vane crown cushion block and the vane root cushion block are fixedly connected to the measuring tool bottom plate through locating pins and fasteners. Stepped pin installation holes are formed in the portion, between the vane crown cushion block and the vane root cushion block, of the upper surface of the measuring tool bottom plate. Stepped pins are installed in the stepped pin installation holes respectively. Inner arc working templates and back arc working templates are correspondingly arranged on the measuring tool bottom plate. An edge closing template is arranged above the upper surface of the vane crown cushion block and the upper surface of the vane root cushion block, the lower end face of the edge closing template is an inclined plane, one side of the edge closing template is provided with a circular arc, and the inclined plane and the circular arc are matched with a vane profile part of the steam turbine vane.
Description
Technical field
The present invention relates to turbine blade and measure, a kind of turbine blade is carried on the back the comprehensive measuring tool of arc steam passage and lagging edge height in measuring specifically.
Background technology
In the process of manufacture of turbine blade, need to in it, convex profile and lagging edge height measure, and determines its whether coincidence measurement accuracy requirement.The quality condition of convex profile and the processing of lagging edge height at present in inspection,, need to make different measurers detects and need to repeatedly measure, particularly polishing personnel are loaded down with trivial details especially in the time controlling lagging edge height, not only quality can not be guaranteed, output is also low especially, and has increased processing cost, therefore need a kind of combination of design measurer to meet its testing requirement, thereby improve precision, ensure the quality of products and easy to operate.
Summary of the invention
Technical matters to be solved by this invention is, for the shortcoming of above prior art, propose a kind of turbine blade and measure the comprehensive measuring tool of interior back of the body arc steam passage and lagging edge height, can not only measure the interior back of the body arc steam passage of turbine blade, can also ensure lagging edge height by the location of lagging edge centre-height gauge and measurer, thereby make reviewer in the time of inspection, not only improve detection quality, simple to operate, efficiency is higher, and ensure accuracy and the consistance of blade, improved quality and the work efficiency of product.
In order to solve the problems of the technologies described above, technical scheme of the present invention is achieved in the following ways: a kind of turbine blade is carried on the back the comprehensive measuring tool of arc steam passage and lagging edge height in measuring, comprise measurer base plate, integral shroud cushion block, blade root cushion block, straight pin, register pin, ladder pin, inner arc work model, back of the body arc work model, receive limit model, measurer base plate is arranged on surface level, measurer floor length direction one end is provided with integral shroud cushion block, the other end is provided with blade root cushion block, integral shroud cushion block and blade root cushion block length direction are parallel to each other, integral shroud cushion block is tangent away from end face and the straight pin of blade root cushion block, and straight pin is set in measurer base plate and is provided with in the mounting hole matching with straight pin, integral shroud cushion block and blade root cushion block are connected and fixed by register pin and securing member and measurer base plate, between integral shroud cushion block and blade root cushion block, be also provided with ladder pin mounting hole at the upper surface of measurer base plate, in ladder pin mounting hole, be equipped with ladder pin, inner arc work model and corresponding being arranged on measurer base plate of back of the body arc work model, inner arc work model and the interior back of the body arc steam passage of back of the body arc work model for detection of turbine blade, the upper surface of integral shroud cushion block and blade root cushion block is also provided with receives limit model, the lower surface of receiving limit model is dip plane, a side of receiving limit model is also provided with the circular arc of outwardly convex, dip plane and circular arc with turbine blade in blade profile part match.
Like this, by technical scheme of the present invention, can measure fast and accurately the interior back of the body arc steam passage of turbine blade by inner arc work model and back of the body arc work model, ensure lagging edge height by the location of lagging edge centre-height gauge and measurer, thereby make reviewer not only improve detection quality in the time of inspection, simple to operate, efficiency is higher, and ensure accuracy and the consistance of blade, improved quality and the work efficiency of product.
The technical scheme that the present invention further limits is:
Aforesaid turbine blade is carried on the back the comprehensive measuring tool of arc steam passage and lagging edge height in measuring, straight pin is greater than the level height of integral shroud cushion block at the height of surface level, on integral shroud cushion block and blade root cushion block, be equipped with β angle, match with integral shroud and the blade root at turbine blade two ends in β angle, like this in the time measuring the blade root end face of turbine blade directly and straight pin tangent, improve the accuracy of measuring, and be equipped with β angle on integral shroud cushion block and blade root cushion block, can fix fast integral shroud and the leaf root part of turbine blade, measure simpler, quick.
Aforesaid turbine blade is carried on the back the comprehensive measuring tool of arc steam passage and lagging edge height in measuring, the upper end of ladder pin is also provided with sleeve, like this by the thickness of sleeve, measure the different position of blade profile circular arc, thereby reduce the quantity of ladder pin, cost-saving, simple in structure, detection and easy for installation, increases work efficiency.
Aforesaid turbine blade is carried on the back the comprehensive measuring tool of arc steam passage and lagging edge height in measuring, inner arc work model is tangent with a side and the ladder pin of back of the body arc work model, can locate fast inner arc work model and back of the body arc work model by ladder pin, save time, increase work efficiency, for continuous detecting provides necessary basis.
Aforesaid turbine blade is carried on the back the comprehensive measuring tool of arc steam passage and lagging edge height in measuring, the material of receiving limit model, inner arc work model and back of the body arc work model is aluminium, and easy to process like this, quality is light, and cost is low.
Aforesaid turbine blade is carried on the back the comprehensive measuring tool of arc steam passage and lagging edge height in measuring, ladder pin mounting hole is four row four lines, be first row near integral shroud cushion block and the ladder pin mounting hole parallel with integral shroud cushion block, to blade root cushion block direction close be followed successively by secondary series to the four row, on the ladder pin of first row and the 4th row, be equipped with sleeve, whether the interior back of the body arc steam passage that like this can fast detecting goes out turbine blade is qualified, saves time.
The invention has the beneficial effects as follows: by technical scheme of the present invention, can measure fast and accurately the interior back of the body arc steam passage of turbine blade by inner arc work model and back of the body arc work model, measure light leak situation by model and judge that whether the processing of turbine blade is qualified, can judge fast the situation of lagging edge height by receiving the dip plane of lower surface of limit model and the circular arc of a side, thereby make reviewer in the time of inspection, not only improve detection quality, simple to operate, efficiency is higher, and accuracy and the consistance of blade are ensured, quality and the work efficiency of product are improved.
The present invention is simple in structure, and cost is low, easy to use, and all parts can replace, and can repeat to use fast, in the time having parts damages or measuring accuracy error larger, can replace at any time, cost-saving, increases work efficiency.
Brief description of the drawings
Fig. 1 is front view of the present invention;
Fig. 2 is vertical view of the present invention;
Fig. 3 is left view of the present invention;
Fig. 4 is axonometric drawing of the present invention;
Wherein: 1-measurer base plate, 2-integral shroud cushion block, 3-blade root cushion block, 4-straight pin, 5-register pin, 6-ladder pin, 7-sleeve, 8-inner arc work model, 9-back of the body arc work model, 10-receives limit model, 11-circular arc.
Embodiment
The present invention is described in further detail below:
embodiment 1
A kind of turbine blade that the present embodiment provides is carried on the back the comprehensive measuring tool of arc steam passage and lagging edge height in measuring, comprise measurer base plate 1, integral shroud cushion block 2, blade root cushion block 3, straight pin 4, register pin 5, ladder pin 6, inner arc work model 8, back of the body arc work model 9, receive limit model 10, measurer base plate 1 is arranged on surface level, measurer base plate 1 length direction one end is provided with integral shroud cushion block 2, the other end is provided with blade root cushion block 3, integral shroud cushion block 2 is parallel to each other with blade root cushion block 3 length directions, integral shroud cushion block 2 is tangent away from end face and the straight pin 4 of blade root cushion block 3, and straight pin 4 is set in measurer base plate 1 and is provided with in the mounting hole matching with straight pin 4, integral shroud cushion block 2 and blade root cushion block 3 are connected and fixed by register pin 5 and securing member and measurer base plate 1, between integral shroud cushion block 2 and blade root cushion block 3, be also provided with ladder pin mounting hole at the upper surface of measurer base plate 1, in ladder pin mounting hole, be equipped with ladder pin 6, inner arc work model 8 and 9 corresponding being arranged on measurer base plate 1 of back of the body arc work model, inner arc work model 8 and the interior back of the body arc steam passage of back of the body arc work model 9 for detection of turbine blade, the upper surface of integral shroud cushion block 2 and blade root cushion block 3 is also provided with receives limit model 10, the lower surface of receiving limit model 10 is dip plane, a side of receiving limit model 10 is also provided with the circular arc 11 of outwardly convex, dip plane and circular arc 11 with turbine blade in blade profile part match, like this can Fast Installation and measurement, save time and cost,
On integral shroud cushion block 2 and blade root cushion block 3, be equipped with β angle, β angle is 45 °, the angle that the integral shroud at turbine blade two ends and blade root are matched is 45 °, the material of receiving limit model 10, inner arc work model 8 and back of the body arc work model 9 is aluminium, ladder pin mounting hole is four row four lines, be first row near integral shroud cushion block 2 and the ladder pin mounting hole parallel with integral shroud cushion block 2, to blade root cushion block 3 directions close be followed successively by secondary series to the four row, on first row and the 4th ladder pin 6 being listed as, be equipped with sleeve 7.
The course of work of the present embodiment: turbine blade to be detected is put into comprehensive measuring tool, integral shroud is positioned on integral shroud cushion block 2, blade root is positioned on blade root cushion block 3, integral shroud end face and straight pin 4 tangent and location, measuring steam passage profile by inner arc work model 8 with back of the body arc work model 9 is blade profile part, it is qualified to judge whether by light leak situation, place on integral shroud cushion block 2 and blade root cushion block 3 receiving limit model 10, by receive the dip plane of limit model 10 and circular arc 11 with turbine blade in the error range that matches of blade profile part judge whether its lagging edge height processing qualified, if qualified, put in storage stand-by.
Like this by technical scheme of the present invention, can measure fast and accurately the interior back of the body arc steam passage of turbine blade by inner arc work model and back of the body arc work model, measure light leak situation by model and judge that whether the processing of turbine blade is qualified, can judge fast the situation of lagging edge height by receiving the dip plane of lower surface of limit model and the circular arc of a side, thereby make reviewer in the time of inspection, not only improve detection quality, simple to operate, efficiency is higher, and ensure accuracy and the consistance of blade, improved quality and the work efficiency of product.
Above embodiment only, for explanation technological thought of the present invention, can not limit protection scope of the present invention with this, every technological thought proposing according to the present invention, and any change of doing on technical scheme basis, within all falling into protection domain of the present invention.
Claims (6)
1. a turbine blade is carried on the back the comprehensive measuring tool of arc steam passage and lagging edge height in measuring, comprise measurer base plate (1), integral shroud cushion block (2), blade root cushion block (3), straight pin (4), register pin (5), ladder pin (6), inner arc work model (8), back of the body arc work model (9), receive limit model (10), it is characterized in that: described measurer base plate (1) is arranged on surface level, described measurer base plate (1) length direction one end is provided with integral shroud cushion block (2), the other end is provided with blade root cushion block (3), described integral shroud cushion block (2) is parallel to each other with blade root cushion block (3) length direction, described integral shroud cushion block (2) is tangent away from end face and the straight pin (4) of blade root cushion block (3), and described straight pin (4) is set in measurer base plate (1) and is provided with in the mounting hole matching with straight pin (4), described integral shroud cushion block (2) and blade root cushion block (3) are connected and fixed by register pin (5) and securing member and measurer base plate (1), between described integral shroud cushion block (2) and blade root cushion block (3), be also provided with ladder pin mounting hole at the upper surface of measurer base plate (1), in described ladder pin mounting hole, be equipped with ladder pin (6), described inner arc work model (8) and corresponding being arranged on measurer base plate (1) of back of the body arc work model (9), described inner arc work model (8) and the interior back of the body arc steam passage of back of the body arc work model (9) for detection of turbine blade, the upper surface of described integral shroud cushion block (2) and blade root cushion block (3) is also provided with receives limit model (10), the lower surface of receiving limit model (10) is dip plane, one side of described receipts limit model (10) is also provided with the circular arc (11) of outwardly convex, described dip plane and circular arc (11) match with blade profile part in described turbine blade.
2. turbine blade according to claim 1 is carried on the back the comprehensive measuring tool of arc steam passage and lagging edge height in measuring, it is characterized in that: described straight pin (4) is greater than the level height of integral shroud cushion block (2) at the height of surface level, on integral shroud cushion block (2) and blade root cushion block (3), being equipped with β angle, matches with integral shroud and the blade root at turbine blade two ends in described β angle.
3. turbine blade according to claim 1 is carried on the back the comprehensive measuring tool of arc steam passage and lagging edge height in measuring, and it is characterized in that: the upper end of described ladder pin (6) is also provided with sleeve (7).
4. turbine blade according to claim 1 is carried on the back the comprehensive measuring tool of arc steam passage and lagging edge height in measuring, and it is characterized in that: described inner arc work model (8) is tangent with a side and the described ladder pin (6) of back of the body arc work model (9).
5. turbine blade according to claim 1 is carried on the back the comprehensive measuring tool of arc steam passage and lagging edge height in measuring, and it is characterized in that: the material of described receipts limit model (10), inner arc work model (8) and back of the body arc work model (9) is aluminium.
6. turbine blade according to claim 1 is carried on the back the comprehensive measuring tool of arc steam passage and lagging edge height in measuring, it is characterized in that: described ladder pin mounting hole is four row four lines, be first row near integral shroud cushion block (2) and the ladder pin mounting hole parallel with integral shroud cushion block (2), to blade root cushion block (3) direction close be followed successively by secondary series to the four row, on the ladder pin (6) of described first row and the 4th row, be equipped with sleeve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410265177.4A CN104061830B (en) | 2014-06-13 | 2014-06-13 | Comprehensive measuring tool for measuring internal back arc steam passage and steam outlet edge height of steam turbine vane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410265177.4A CN104061830B (en) | 2014-06-13 | 2014-06-13 | Comprehensive measuring tool for measuring internal back arc steam passage and steam outlet edge height of steam turbine vane |
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| Publication Number | Publication Date |
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| CN104061830A true CN104061830A (en) | 2014-09-24 |
| CN104061830B CN104061830B (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410265177.4A Active CN104061830B (en) | 2014-06-13 | 2014-06-13 | Comprehensive measuring tool for measuring internal back arc steam passage and steam outlet edge height of steam turbine vane |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104406502A (en) * | 2014-11-13 | 2015-03-11 | 重庆长征重工有限责任公司 | Control method for a gas turbine blade forging stock geometry and testing model |
| CN108120364A (en) * | 2017-11-07 | 2018-06-05 | 武汉船用机械有限责任公司 | A kind of blade profile detection instrument |
| CN109366371A (en) * | 2018-12-04 | 2019-02-22 | 无锡透平叶片有限公司 | A kind of universal clipping device of blade shot-peening |
| CN109434713A (en) * | 2018-12-10 | 2019-03-08 | 无锡透平叶片有限公司 | The measuring device of turbine blade root two sides angle faces |
Family Cites Families (8)
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| CN2755562Y (en) * | 2004-12-11 | 2006-02-01 | 东方汽轮机厂 | Final blade measuring tool for side position and shape |
| CN201583221U (en) * | 2009-11-03 | 2010-09-15 | 南通中能机械制造有限公司 | Pitch-measuring tool of diamond-shaped moving blade shroud of steam turbine |
| KR101438911B1 (en) * | 2012-10-04 | 2014-09-11 | 한전케이피에스 주식회사 | Equipment for testing assemblability of vane segment |
| CN102914240A (en) * | 2012-10-09 | 2013-02-06 | 如皋透平叶片制造有限公司 | Rapid detecting device for internal and back arc lines of steam turbine blade |
| CN203443507U (en) * | 2013-09-06 | 2014-02-19 | 哈尔滨汽轮机厂有限责任公司 | Combined detection measuring tool of steam turbine blade with dovetail-shaped blade root |
| CN203587019U (en) * | 2013-11-18 | 2014-05-07 | 四川绵竹鑫坤机械制造有限责任公司 | Measuring tool for comprehensive detection of rotor blade of compressor |
| CN203629490U (en) * | 2013-11-29 | 2014-06-04 | 四川成发航空科技股份有限公司 | Common combined measurement tool for shaft-type vane |
| CN204007385U (en) * | 2014-06-13 | 2014-12-10 | 南京赛达机械制造有限公司 | A kind of turbine blade is carried on the back the comprehensive measuring tool of arc steam passage and lagging edge height in measuring |
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- 2014-06-13 CN CN201410265177.4A patent/CN104061830B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104406502A (en) * | 2014-11-13 | 2015-03-11 | 重庆长征重工有限责任公司 | Control method for a gas turbine blade forging stock geometry and testing model |
| CN104406502B (en) * | 2014-11-13 | 2017-07-14 | 重庆长征重工有限责任公司 | A kind of gas turbine blades forging stock physical dimension control method and detection model |
| CN108120364A (en) * | 2017-11-07 | 2018-06-05 | 武汉船用机械有限责任公司 | A kind of blade profile detection instrument |
| CN109366371A (en) * | 2018-12-04 | 2019-02-22 | 无锡透平叶片有限公司 | A kind of universal clipping device of blade shot-peening |
| CN109434713A (en) * | 2018-12-10 | 2019-03-08 | 无锡透平叶片有限公司 | The measuring device of turbine blade root two sides angle faces |
| CN109434713B (en) * | 2018-12-10 | 2023-11-10 | 无锡透平叶片有限公司 | Measuring device for two side angle surfaces of blade root of steam turbine blade |
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|---|---|
| CN104061830B (en) | 2017-02-15 |
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