CN204963754U - Blade both ends have stator blade molded lines that crumples of straight molded lines fitting surface to survey utensil - Google Patents
Blade both ends have stator blade molded lines that crumples of straight molded lines fitting surface to survey utensil Download PDFInfo
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- CN204963754U CN204963754U CN201520561366.6U CN201520561366U CN204963754U CN 204963754 U CN204963754 U CN 204963754U CN 201520561366 U CN201520561366 U CN 201520561366U CN 204963754 U CN204963754 U CN 204963754U
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Abstract
The utility model relates to a blade both ends have stator blade molded lines that crumples of straight molded lines fitting surface to survey utensil. It includes base, left socle, right branch frame and locating pin, and it has the arc hole to open in the middle of the left socle, and it is domatic that the downthehole side lower extreme of arc forms the arc, and the contained angle is 4 degrees between left socle and the perpendicular line, and it has the arc hole to open in the middle of the right branch frame, and it is domatic that the downthehole side lower extreme of arc forms the arc, and the contained angle is 10 degrees between right branch frame and the perpendicular line, left socle and right branch frame divides into upper and lower two parts respectively, and the fix with screw is passed through down above partly in top, and lower partial fixing is on the base, an axial positioning baffle is equipped with on the base right side. The advantage is that the domatic stator blade zero clearance that enables to crumple of the arc on left socle and the right branch frame supports on it, and effectual back of the body arc model and the inner arc model given of locating pin provides the check point, and the work molded lines of stator blade is measured respectively to back of the body arc model and inner arc model from both sides, improve the detection efficiency and the degree of accuracy greatly.
Description
Technical field
The utility model relates to stator blade molded line detection field, is specifically related to the bending stator blade molded line measuring tool that there is straight molded line fitting surface at a kind of blade two ends.
Background technology
Steam turbine stator blade is divided into band hat and is not with hat structure, and conventional method is that bending stator blade is made the form that there is diamond-shaped cross-section reference for installation at two ends, is called band hat.The rhombus sagittal plane of every sheet stator blade relative to bending working surface to make very consistent.Like this when after datum clamp face assembling, the working surface established angle of blade is relatively more correct, and equal indicative pitch is better, and venthole throat opening liquid width is consistent.But its cost of manufacture is higher, material consumption is larger many.
The straight molded line fitting surface of this blade two ends a few mm wide again is also the face for installing, only need during assembling that annular slab thick for 6mm is processed into pitch consistent, what established angle was correct waits parting line hole, be called shroud, inner ring shroud and outer shroud shroud are enclosed within the straight molded line fitting surface in each blade two ends respectively, spot welding.
Summary of the invention
In order to solve the problem, the utility model proposes the bending stator blade molded line measuring tool that there is straight molded line fitting surface at a kind of blade two ends, simplicity of design, easy to use, facilitate fixed support to detect, effectively detect that whether product work molded line is qualified fast.
In order to reach foregoing invention object, the utility model proposes following technical scheme:
There is the bending stator blade molded line measuring tool of straight molded line fitting surface at blade two ends, it comprises pedestal, left socle, right support and register pin, on the left of impact faces, left socle is housed, on the right side of impact faces, right support is housed, between left socle and right support, impact faces is equipped with some register pins, arcuate socket is had in the middle of left socle, it is domatic that arcuate socket inside lower end forms arc, between left socle and perpendicular line, angle is 4 degree, arcuate socket is had in the middle of right support, it is domatic that arcuate socket inside lower end forms arc, and between right support and perpendicular line, angle is 10 degree.Described left socle and right support are divided into upper and lower two parts respectively, and upper part is fixed by screws in above lower part, and lower part is fixed on pedestal.One axial location baffle plate is housed on the right side of pedestal.
Described blade two ends have the bending stator blade molded line measuring tool of straight molded line fitting surface also to comprise back of the body arc model 8, and back of the body arc model inserts impact faces from downside, in the middle of pedestal.Back of the body arc model is rectangle tabular, and side has arc-shaped bayonet socket, and the detection faces of bayonet socket is domatic, and back of the body arc model lower end is designed with detection catch.
Described blade two ends have the bending stator blade molded line measuring tool of straight molded line fitting surface also to comprise inner arc model 9, and inner arc model inserts impact faces from upside, in the middle of pedestal.Inner arc model is rectangle tabular, and side is designed to circular arc convex, and the detection faces of circular arc convex is domatic, and inner arc model lower end is designed with detection catch.
The utility model has the advantages that simplicity of design, easy to use, fixed support is facilitated to detect, arc on left socle and right support is domatic can be made above bending stator blade gapless is supported on, register pin provides check point effectively to back of the body arc model and inner arc model, back of the body arc model and inner arc model are respectively from the work molded line of two-sided measurement stator blade, convenient and swift, greatly improve detection efficiency and accuracy.
Accompanying drawing explanation
Fig. 1 is front elevation of the present utility model.
Fig. 2 is vertical view of the present utility model.
Fig. 3 is side view of the present utility model.
Fig. 4 is the schematic diagram of back of the body arc model of the present utility model.
Fig. 5 is the schematic diagram of inner arc model of the present utility model.
Embodiment
In order to further instruction of the present invention, introduce below in conjunction with Figure of description:
With reference to accompanying drawing, there is the bending stator blade molded line measuring tool of straight molded line fitting surface at blade two ends, it comprises pedestal 1, left socle 2, right support 3 and register pin 4, on pedestal 1, left side of face is equipped with left socle 2, pedestal 1 upper right is equipped with right support 3, between left socle 2 and right support 3, pedestal 1 is equipped with some register pins 4 above, arcuate socket is had in the middle of left socle 2, arcuate socket inside lower end forms arc domatic 5, between left socle 2 and perpendicular line, angle is 4 degree, arcuate socket is had in the middle of right support 3, arcuate socket inside lower end forms arc domatic 5, between right support 3 and perpendicular line, angle is 10 degree.On the left of arc in left socle 2 domatic 5, the radius of arc-shaped edges is 626.5, and the radius of right side arc-shaped edges is 632; On the left of arc outside right support 3 domatic 5, the radius of arc-shaped edges is 777, and the radius of right side arc-shaped edges is 782.5.The conical surface shape of the arc domatic inspection blade inner face of left socle, the domatic conical surface shape checking blade outer end face of the arc of right support, whole measuring tool can detect the overall length of blade; Described left socle 2 and right support 3 are divided into upper and lower two parts respectively, and upper part 6 is fixed by screws in above lower part, and lower part 7 is fixed on pedestal.One axial location baffle plate 10 is housed on the right side of pedestal 1.
Described blade two ends have the bending stator blade molded line measuring tool of straight molded line fitting surface also to comprise back of the body arc model 8, and back of the body arc model 8 inserts impact faces from downside, in the middle of pedestal.Back of the body arc model 8 is rectangle tabulars, and side has arc-shaped bayonet socket, and the detection faces of bayonet socket is domatic 81, and back of the body arc model lower end is designed with detects catch 82.
Described blade two ends have the bending stator blade molded line measuring tool of straight molded line fitting surface also to comprise inner arc model 9, and inner arc model 9 inserts impact faces from upside, in the middle of pedestal.Inner arc model 9 is rectangle tabulars, and side is designed to circular arc convex, and the detection faces of circular arc convex is domatic 91, and inner arc model lower end is designed with detects catch 92.
When the utility model uses, first a left side, the upper part of right support is pulled down, the intrados two ends of bending stator blade are pressed in a left side, on arc in right support lower part is domatic, intrados suits mutually with arc is domatic, then a left side, the upper part of right support is loaded onto, bending stator blade is fixed on a left side, on right support, then by carrying on the back arc model from pedestal lower end perpendicular to pedestal and along the insertion of register pin guiding, until the detection catch of back of the body arc model lower end encounters pedestal, the detection faces of back of the body arc model is adjacent to the convex surface of stator blade, by clearance gauge to apertured place plug, record position and numerical value, so several positions molded line is detected successively to the convex surface of stator blade, guarantee whole detection degree of accuracy, inner arc model is from pedestal upper end perpendicular to pedestal and along the insertion of register pin guiding, until the detection catch of inner arc model lower end encounters pedestal, the detection faces of inner arc model is adjacent to the intrados of stator blade, by clearance gauge to apertured place plug, record position and numerical value, so several positions molded line is detected successively to the intrados of stator blade, guarantee whole detection degree of accuracy, can be detected the molded line of product fast by this measuring tool, know which place add man-hour requirement add man-hour improve, judge that whether product qualified.Can also observe the R626.5 conical surface on the left of the inner conical surface of blade and left socle the situation that meets and observe the R782.5 conical surface on the right side of the blade outer end conical surface and right support meet situation, to determine that the length direction of blade judges that whether it qualified.
Claims (3)
1. there is the bending stator blade molded line measuring tool of straight molded line fitting surface at blade two ends, it comprises pedestal, left socle, right support and register pin, it is characterized in that, on the left of impact faces, left socle is housed, on the right side of impact faces, right support is housed, between left socle and right support, impact faces is equipped with some register pins, arcuate socket is had in the middle of left socle, it is domatic that arcuate socket inside lower end forms arc, between left socle and perpendicular line, angle is 4 degree, arcuate socket is had in the middle of right support, it is domatic that arcuate socket inside lower end forms arc, and between right support and perpendicular line, angle is 10 degree; Described left socle and right support are divided into upper and lower two parts respectively, and upper part is fixed by screws in above lower part, and lower part is fixed on pedestal; One axial location baffle plate is housed on the right side of pedestal.
2. there is the bending stator blade molded line measuring tool of straight molded line fitting surface at blade two ends according to claim 1, it is characterized in that described blade two ends have the bending stator blade molded line measuring tool of straight molded line fitting surface also to comprise back of the body arc model, back of the body arc model inserts impact faces from downside, in the middle of pedestal, back of the body arc model is rectangle tabular, side has arc-shaped bayonet socket, and the detection faces of bayonet socket is domatic, and back of the body arc model lower end is designed with detection catch.
3. there is the bending stator blade molded line measuring tool of straight molded line fitting surface at blade two ends according to claim 1, it is characterized in that described blade two ends have the bending stator blade molded line measuring tool of straight molded line fitting surface also to comprise inner arc model, inner arc model inserts impact faces from upside, in the middle of pedestal, inner arc model is rectangle tabular, side is designed to circular arc convex, and the detection faces of circular arc convex is domatic, and inner arc model lower end is designed with detection catch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520561366.6U CN204963754U (en) | 2015-07-30 | 2015-07-30 | Blade both ends have stator blade molded lines that crumples of straight molded lines fitting surface to survey utensil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520561366.6U CN204963754U (en) | 2015-07-30 | 2015-07-30 | Blade both ends have stator blade molded lines that crumples of straight molded lines fitting surface to survey utensil |
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| Publication Number | Publication Date |
|---|---|
| CN204963754U true CN204963754U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520561366.6U Expired - Fee Related CN204963754U (en) | 2015-07-30 | 2015-07-30 | Blade both ends have stator blade molded lines that crumples of straight molded lines fitting surface to survey utensil |
Country Status (1)
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| CN (1) | CN204963754U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091601A (en) * | 2016-06-24 | 2017-08-25 | 中航湖南通用航空发动机有限公司 | engine blade size detecting device |
| CN107607026A (en) * | 2017-10-12 | 2018-01-19 | 无锡透平叶片有限公司 | Divergence type model for the measurement of turbine blade machined surface profile |
| CN109579671A (en) * | 2018-11-15 | 2019-04-05 | 中国直升机设计研究所 | A kind of blade pretwist angular measurement tooling and measurement method |
| CN114087943A (en) * | 2021-11-09 | 2022-02-25 | 浙江省机电设计研究院有限公司 | Method for testing molded line precision of circular involute scroll air compressor aiming at unknown parameters |
-
2015
- 2015-07-30 CN CN201520561366.6U patent/CN204963754U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091601A (en) * | 2016-06-24 | 2017-08-25 | 中航湖南通用航空发动机有限公司 | engine blade size detecting device |
| CN107607026A (en) * | 2017-10-12 | 2018-01-19 | 无锡透平叶片有限公司 | Divergence type model for the measurement of turbine blade machined surface profile |
| CN109579671A (en) * | 2018-11-15 | 2019-04-05 | 中国直升机设计研究所 | A kind of blade pretwist angular measurement tooling and measurement method |
| CN114087943A (en) * | 2021-11-09 | 2022-02-25 | 浙江省机电设计研究院有限公司 | Method for testing molded line precision of circular involute scroll air compressor aiming at unknown parameters |
| CN114087943B (en) * | 2021-11-09 | 2023-09-08 | 浙江省机电设计研究院有限公司 | Method for testing molded line precision of circular involute scroll air compressor aiming at unknown parameters |
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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: 20160113 Termination date: 20200730 |
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| CF01 | Termination of patent right due to non-payment of annual fee |