CN106767324B - For measuring the spacing device in blade of aviation engine type face - Google Patents
For measuring the spacing device in blade of aviation engine type face Download PDFInfo
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- CN106767324B CN106767324B CN201610994139.1A CN201610994139A CN106767324B CN 106767324 B CN106767324 B CN 106767324B CN 201610994139 A CN201610994139 A CN 201610994139A CN 106767324 B CN106767324 B CN 106767324B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/003—Measuring of motor parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a kind of for measuring the spacing device in blade of aviation engine type face, it, which is constituted, is mainly constituted by the locater plate of placement blade blade and with the matched tenon tooth locating piece for installing blade tenon of locater plate, the locater plate is the locater plate of " sparerib shelf " structure, if the type face by bottom plate and positioned at bottom plate two sides is constituted with the matched dry type face section of blade front and rear edge blade back, the position consistency in the blade profile measurement section that the position of type face section and design drawing determine, design has type areal coordinate point corresponding with the theoretical coordinate point in blade and blade back type to be measured face in type face section and trailing edge corresponding side type face；There are two the teeth to match respectively with blade tenon top tenon tooth and butt tenon tooth, the blade tenon Head Tops for being arranged to make to be positioned on to the locater plate of tenon tooth locating piece abuts spacing size as defined in the distance design drawing of the type face section end face at tenon end for the tenon tooth locating piece design.
Description
Technical field
The present invention relates to blade of aviation engine field of measuring technique, and in particular to one kind is for measuring aero-engine leaf
The spacing device in piece type face.
Background technique
Blade is the part that quantity is most in aero-engine.Blade of aviation engine is to be related to engine performance and fortune
The high load capacity part of row safety, the manufacturing quality of strict control blade are the important rings for guaranteeing engine performance and operational safety
Section, therefore the Blade measuring important means that is strict control vane manufacturing quality and the important content in vane manufacturing technology,
In the amount of work of vane manufacturing, Blade measuring workload accounts for sizable specific gravity.
Compared with other class parts, due to the features of shape and performance requirement of blade itself, the manufacture measuring technique of blade
More it is different from other class parts.Vane manufacturing measuring technique is one of technology most complicated in turbine manufacturing industry.Blade blade by
If dry type face defined, various face is again by one group of discrete point defined.It include leaf basin, leaf by the blade profile that discrete point constructs
Back, leading edge and rear composition.Blade profile measurement generally includes folded point position degree, front and rear edge, chord length of blade profile profile, product etc. and wants
Element.Since blade blade type face is consecutive variations, can not own to blade along blade direction to the measurement of blade profile
These elements on section measure, and are usually along the several sections of blade blade direction selection, to these sections in practice
On measurement element measure, when the element on these sections meets design requirement, be then considered as entire blade and meet quality
It is required that being otherwise considered as not meeting quality requirement.Element section to be measured is usually by design drawing defined.Due to blade
Complex-shaped, technical conditions and dimension precision requirement are stringent, although the element on limited several sections is only selected to measure, leaf
The measurement workload and difficulty of piece are still very big.
Blade blade type face is measured using three-coordinates measuring machine, is related to positioning blade, only to blade
Be accurately positioned, could the type face to blade blade accurately measured.Finished product blade blade profile measurement, to rabbet working face
Swallow-tail form tenon greater than 3mm, can be accurately positioned using three-coordinates measuring machine, therefore relatively accurate survey can be carried out to blade profile
Amount；Tree-like tenon positioning is indulged less than 3mm to single working face, blade profile is measured using three-coordinates measuring machine, because of its positioning
Face is too small, exist positioning it is unstable, there is a problem of measurement inaccuracy.Blade profile measurement is carried out using three-coordinates measuring machine,
Measurement cost is higher.
The measurement of blade profile front and rear edges and chord length, the prior art mainly use type face measuring tool to cooperate each section type face sample
Plate is measured by scribing line, and specific method is, by the measuring tool of blade embedded type face, each section basin to be carried on the back on template and measuring tool
After the fitting of each section positioning pin, make the basin in each section, back template along section positioning pin respective on measuring tool from blade profile leading edge
It is pushed into blade profile rear, basin type face, back type face point with colored marking pen along template type face in each section of blade
It does not cross, scribing line finishes, and blade is taken out from type face measuring tool, then using the blade at the tools such as slide calliper rule measurement blade scribing line section
Shape, thickness and the section chord length of front and rear edges.Blade is measured using type face measuring tool and type face template hatched manner, is deposited
The problem of, first is that measuring tool design in type face is complicated, the manufacturing cycle is long, second is that the scribing line time is long, measurement efficiency is low, measurement accuracy
It is low, restrict the production of high-volume blade.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide one kind for measuring blade of aviation engine type face
Spacing device, with realize the elements such as blade profile front and rear edge and chord length are accurately and fast measured.
Provided by the present invention for measuring the spacing device in blade of aviation engine type face, mainly by placement blade blade
Locater plate and with locater plate it is matched for install blade tenon tenon tooth locating piece constitute, the locater plate be " row (rib) bone
The locater plate of frame " structure, if the matched dry type face section structure in type face and blade front and rear edge blade back by bottom plate and positioned at bottom plate two sides
At the quantity of the position consistency in the blade profile measurement section that the position of type face section is determined with design drawing, type face section is no less than
The quantity in the blade profile measurement section that design drawing determines, on corresponding with the trailing edge side type face of section of type face design have and
The corresponding type areal coordinate point of the theoretical coordinate point in blade and blade back type to be measured face；Tenon tooth locating piece design there are two respectively with
The teeth that blade tenon top tenon tooth and butt tenon tooth match, the blade for being arranged to make to be positioned on of tenon tooth locating piece
Distance of the tenon Head Tops to locater plate against the type face section end face at tenon end is spacing size as defined in design drawing.
In above-mentioned technical proposal of the invention, tenon tooth locating piece preferentially select by on its bottom surface dowel hole and
The matched positioning pin in fastening screw hole and fastening screw are mounted in the support plate connecting with locater plate bottom plate, so as to tenon tooth positioning
After block is using long period abrasion, the quick-replaceable of tenon tooth locating piece is realized.Further, in tenon tooth bottom surface of positioning block
The equal decision design of dowel hole and fastening screw hole is two, is arranged symmetrically along vertical tenon axis direction, and two dowel holes
Between two fastening screw holes.
In above-mentioned technical proposal of the invention, in order to improve measurement section spacing precision, by bottom plate and it is located at bottom plate two
The locater plate decision design that side type face section is constituted is overall structure locater plate, and type face section front and rear edge end face is flat relative to bottom plate bottom
The verticality in face is preferably controlled in the range no more than 0.01.
In above-mentioned technical proposal of the invention, in order to improve ranging template face segment type line and measurement blade profile section assembly
The profile consistent degree for the machined surface profile that precision, ranging template face segment type facial contour and design drawing require is preferably controlled in 0.1mm
Within.
In above-mentioned technical proposal of the invention, in order to guarantee that tenon tooth locating piece and blade tenon match, it is fixed to cross tenon tooth
Oblique angle of the plane of two teeth tooth tips on the block of position relative to tenon tooth bottom surface of positioning block, with blade tenon contoured surface relative to blade
The angle of axis is consistent.
In above-mentioned technical proposal of the invention, in order to guarantee reliability and stability that tenon tooth locating piece measurement uses,
The cutting tool steel CrWMn that tenon tooth positioning block of material preferentially selects thermally treated HRC to reach 55-60.
It is light in order to measure in above-mentioned technical proposal of the invention, reduce the weight of spacing device, the locater plate
Material preferentially selects the aluminium alloy of model AL6061.
Compared with prior art, the invention has the following advantages:
1. this is fixed the present invention provides a kind of new structural for measuring the spacing device in blade of aviation engine type face
Away from device by blade and tenon tooth locating piece, locater plate cooperation positioning, it can be achieved that after in face of blade along its length multiple types
The measurement fast and in high precision of the elements such as edge, chord length.
2. since tenon tooth locating piece of the invention is positioned using two teeth, two teeth high-precision sizes and the mutual position of two teeth
Degree of setting is guaranteed by abutting against the measurement of the length bar on the first teeth working face, crosses two teeth tooth tip planes and tenon tooth bottom surface of positioning block
Between angle and blade tenon inclined-plane and axis of runner blade between angle it is consistent, for realize blade tenon tooth and spacing device it is accurate
Positioning provides guarantee.
3. locater plate of the present invention uses unique " sparerib shelf " structure.Coordinate points on the segment type face of type face respectively with it is to be measured
Blade and blade back type foliation is corresponding by coordinate points, and type face section is distributed on same unsplit bed(-)plate, each type face section front and rear edge end face
It is not more than 0.01 with base surface verticality required precision, ensure that the spacing precision in each section.Lacking between adjacent type face section
Mouth slot, provides placement space for dedicated (general) measuring tool, while also significantly reducing the weight of spacing device.
4, tenon tooth locating piece of the invention by with the matched positioning pin of dowel hole and fastening screw hole on its bottom surface
It is mounted on fastening screw and is connected and fixed in the support plate being integrated with locater plate bottom plate, ensure that tenon tooth locating piece and locater plate
The stability and reliability of assembly, while can realize that tenon tooth locating piece or locater plate use the quick-replaceable after abrasion.The present invention
Tenon tooth locating piece can be used for having identical tooth form tenon, the blade profile spacing measurement of different blades.Identical tooth form is being measured, no
With spacing when blade type face blade, it is only necessary to replace corresponding spacing version, be not required to remanufacture tenon tooth locating piece.
5, tenon tooth locating piece material selection cutting tool steel CrWMn of the invention is heat-treated HRC55-60, improves tenon tooth positioning
The wearability and stability that block uses for a long time；Locater plate selects aluminium alloy (AL6061) manufacture of lighter in weight, alleviates weight
Amount.For the present invention since spacing device can be placed in palm and measure by lighter in weight, centering vanelets, it is convenient to measure.To big
Type blade, spacing device can be placed on platform, be realized to the elements such as blade profile front and rear edge, chord length high-precision, rapid survey.
Detailed description of the invention
Fig. 1 is of the present invention for measuring the spacing device structural schematic diagram in blade of aviation engine type face；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is spacing device tenon tooth locating piece tooth structure schematic diagram of the present invention；
Fig. 4 is spacing device ranging template face of the present invention segment structure schematic diagram；
Fig. 5 is the measured blade construction schematic diagram of spacing device spacing of the present invention；
Fig. 6 is the top view of Fig. 5；
Fig. 7 is the left view of Fig. 5；
Fig. 8 is stereoscopic schematic diagram to be measured after spacing device of the present invention and blade assembly.
In figure, 1-locater plate；The I section type face 1-1-section end face；The II section type face 1-2-section end face；III section 1-3-
Type face section end face；The IV section type face 1-4-section end face；The V section type face 1-5-section end face；1-6-bottom plate；1-7-type face section
Contoured surface；2-tenon tooth locating pieces；The first teeth of 2-1-；The second teeth of 2-2-；3-dowel holes；4-screw holes；5-quilts
Measure blade.
Specific embodiment
The embodiment of the present invention is provided with reference to the accompanying drawing, and present invention progress is further specifically retouched by embodiment
It states.It is necessarily pointed out that embodiment is served only for, the invention will be further described, should not be understood as protecting the present invention
The limitation of range, the person skilled in the art in the field can be made according to the content of aforementioned present invention it is some it is nonessential improvement and
Adjustment is implemented, but such implementation should still fall within protection scope of the present invention.
Embodiment
In the present embodiment, the spacing device in the measurement blade of aviation engine type face is for shown in spacing Fig. 5 to Fig. 7
Blade, the shape and construction of the spacing device in the measurement blade of aviation engine type face as shown in Figure 1 to Figure 4, shown in Fig. 8,
It constitutes mainly matched for installing the tenon tooth locating piece 2 of blade tenon by the locater plate 1 of placement blade blade and with locater plate
It constitutes.The locater plate is the locater plate of " row's (rib) skeleton " structure, by bottom plate and is located at bottom plate two sides and blade front and rear edge leaf
It carries on the back matched 5 type faces section to constitute, bottom plate 1-6 and 5 type faces section 1-1,1-2,1-3,1-4 and 1-5 are overall structure, adjacent type
Gap slot between the section of face, notch slot length are 15mm, and the width of gap slot is 10mm, using the aluminium alloy of model AL6061
Manufacture, the position consistency in 5 blade profile measurement sections that the position of 5 type face sections is determined with design drawing, type face Duan Yuye
Design has type areal coordinate point corresponding with the theoretical coordinate point in blade and blade back type to be measured face on piece rear corresponding side type face,
Type face section front and rear edge end face is being not more than 0.01 range, type face segment type facial contour relative to the degree control of bottom plate baseplane
The profile consistent degree of the machined surface profile required with design drawing controls within 0.1mm.Type face section contoured surface 1-7 such as Fig. 4 and Fig. 8
It is shown.The cutting tool steel CrWMn processing and fabricating that the tenon tooth locating piece selects thermally treated HRC to reach 55-60, tenon tooth locating piece are logical
Cross on its bottom surface the matched positioning pin 3 of dowel hole and fastening screw hole and fastening screw 4 be mounted on and locater plate bottom plate
In the support plate being structure as a whole, the dowel hole and fastening screw hole are two, by along vertical tenon axis direction
It is arranged symmetrically, two dowel holes are located between two fastening screw holes, are placed in the branch being connected as one with locater plate bottom plate
On fagging, the position of tenon tooth locating piece is the type that the blade tenon Head Tops being positioned on can be made to abut tenon end to locater plate
The distance of face section end face is spacing size as defined in design drawing；There are two teeth, the first teeth 2-1 for design on tenon tooth locating piece
It is matched with blade tenon top tenon tooth, the second teeth 2-2 matches with butt tenon tooth, crosses two teeth tooth tips on tenon tooth locating piece
Plane it is consistent relative to the angle of axis of runner blade with blade tenon contoured surface relative to the oblique angle of tenon tooth bottom surface of positioning block.
Tested the 5th tooth socket of blade tenon, the 2nd tooth socket are positioned at the spacing device tenon tooth assembled and determined by the test of blade
On the teeth 2-1 and teeth 2-2 of position block, it is bonded the blade back type face of blade 5 naturally (such as Fig. 8 institute with 5 type faces of locater plate section
Show).After tested blade 5 is assembled with spacing device, spacing device type is placed in using dedicated (general) measurer of preprepared
The indentation, there of face positioning section end face 1-1 to 1-5, measures the elements such as the leading edge of blade profile, rear and chord length.It measures suitable
Sequence can terminate since I section of blade to V section of a last type face, can also be since the last one V section of type face, and I section
Face terminates；Element is measured, can be terminated since the chord length of type face to type face rear, it can also be since edge in face of type to leaf chord length knot
Beam.When blade places under repair some section, only measures and repaired section.
Claims (8)
1. a kind of for measuring the spacing device in blade of aviation engine type face, it is characterised in that mainly by placement blade blade
Locater plate (1) and with locater plate it is matched for install blade tenon tenon tooth locating piece (2) constitute, the locater plate be " row
The locater plate of skeleton " structure, if the matched dry type face section in type face and blade front and rear edge blade back by bottom plate and positioned at bottom plate two sides
It constitutes, the quantity of the position consistency in the blade profile measurement section that the position of type face section is determined with design drawing, type face section is many
Quantity in the blade profile measurement section that design drawing determines, designing on corresponding with the trailing edge side type face of section of type face has
Type areal coordinate point corresponding with the theoretical coordinate point in blade and blade back type to be measured face；There are two respectively for the tenon tooth locating piece design
The teeth to match with blade tenon top tenon tooth and butt tenon tooth, the leaf for being arranged to make to be positioned on of tenon tooth locating piece
Distance of the piece tenon Head Tops to locater plate against the type face section end face at tenon end is spacing size as defined in design drawing.
2. according to claim 1 for measuring the spacing device in blade of aviation engine type face, which is characterized in that tenon tooth
Locating piece by on its bottom surface the matched positioning pin of dowel hole and fastening screw hole (3) and fastening screw (4) be mounted on
In the support plate being connect with locater plate bottom plate.
3. according to claim 2 for measuring the spacing device in blade of aviation engine type face, which is characterized in that be located at
Dowel hole and fastening screw hole in tenon tooth bottom surface of positioning block are two, are arranged symmetrically along vertical tenon axis direction, two
Dowel hole is between two fastening screw holes.
4. according to claim 1 or 2 or 3 for measuring the spacing device in blade of aviation engine type face, feature exists
In being overall structure locater plate, type face section front and rear edge end face phase by bottom plate and positioned at the bottom plate two sides type face locater plate that constitutes of section
0.01 is not more than for the verticality of bottom plate baseplane.
5. according to claim 1 or 2 or 3 for measuring the spacing device in blade of aviation engine type face, feature exists
In the profile consistent degree for the machined surface profile that ranging template face segment type facial contour and design drawing require controls within 0.1mm.
6. according to claim 1 or 2 or 3 for measuring the spacing device in blade of aviation engine type face, feature exists
In oblique angle of the plane of two teeth tooth tips on mistake tenon tooth locating piece relative to tenon tooth bottom surface of positioning block, with blade tenon profile
Face is consistent relative to the angle of axis of runner blade.
7. according to claim 1 or 2 or 3 for measuring the spacing device in blade of aviation engine type face, feature exists
In the thermally treated HRC of tenon tooth locating piece material selection reaches the cutting tool steel CrWMn of 55-60.
8. according to claim 1 or 2 or 3 for measuring the spacing device in blade of aviation engine type face, feature exists
In the aluminium alloy of the material selection model AL6061 of the locater plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610994139.1A CN106767324B (en) | 2016-11-11 | 2016-11-11 | For measuring the spacing device in blade of aviation engine type face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610994139.1A CN106767324B (en) | 2016-11-11 | 2016-11-11 | For measuring the spacing device in blade of aviation engine type face |
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| CN106767324A CN106767324A (en) | 2017-05-31 |
| CN106767324B true CN106767324B (en) | 2019-08-02 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107796278B (en) * | 2017-09-28 | 2019-12-13 | 中国航发动力股份有限公司 | Aeroengine casing and blade flange plate weld width measuring tool |
| 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 |
| CN108613635A (en) * | 2018-06-07 | 2018-10-02 | 国家海洋技术中心 | Marine tidal-current energy generator blade profile dimensional accuracy detection method based on image measurement |
| CN109357581A (en) * | 2018-11-12 | 2019-02-19 | 株洲航发动科南方燃气轮机有限公司 | Blade of variable cross-section blade type face measurer |
| CN109483172B (en) * | 2018-12-07 | 2020-03-24 | 中国航发南方工业有限公司 | Manufacturing method of turbine blade positioning base |
| CN110026594B (en) * | 2019-04-25 | 2020-05-22 | 沈阳透平机械股份有限公司 | Machining method of early warning groove of rotor moving blade of turbine axial flow expander |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2957144B1 (en) * | 2010-03-05 | 2012-02-24 | Snecma | INTEGRATED REFERENTIAL BALL JOINT TOOLS FOR CHARACTERIZING THE FEET OF TURBOMACHINE BLADES. |
| CN102825524B (en) * | 2012-07-09 | 2016-02-24 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of ultra-thin elongated moving turbine blade finishing, machine add localization method |
| CN103350358B (en) * | 2013-07-29 | 2016-08-17 | 四川省自贡市海川实业有限公司 | Blade milling tenon tooth fixture |
| CN103600250B (en) * | 2013-11-21 | 2015-11-04 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of blade self adaptation clamping and positioning device |
| CN104406560B (en) * | 2014-11-13 | 2018-01-05 | 中国南方航空工业(集团)有限公司 | blade tenon tooth positioning device |
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Address after: 610503 Cheng Fa Industrial Park, Shu long road, Xindu District, Chengdu, Sichuan Applicant after: Sichuan Chengfa Aviation Science & Technology Co., Ltd. Address before: 610503 Cheng Fa Industrial Park, Sichuan Chengdu Xindu District Applicant before: Sichuan Chengfa Aviation Science & Technology Co., Ltd. |
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