CN107747897A - Combine centring type blade angle degree measurement apparatus - Google Patents
Combine centring type blade angle degree measurement apparatus Download PDFInfo
- Publication number
- CN107747897A CN107747897A CN201710851609.3A CN201710851609A CN107747897A CN 107747897 A CN107747897 A CN 107747897A CN 201710851609 A CN201710851609 A CN 201710851609A CN 107747897 A CN107747897 A CN 107747897A
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- Prior art keywords
- blade
- tested
- angle
- tested blade
- riser
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Classifications
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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
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses one kind to combine centring type blade angle degree measurement apparatus, it is characterized in that setting one group of inner ring or outer ring to tested blade to be supported the back-up roller wheel of positioning, tested blade is possessed self-centering function；Angle block gauge is arranged in tested blade corresponding site again, makes the pivot of angle block gauge perpendicular through tested blade inner ring or the radiation center line of outer shroud, while tested Blade measuring section can be accurately positioned；During measurement, the support cambered surface being made up of back-up roller wheel slides along tested blade, adjusting angle metric and the relative position and angle block gauge measuring arm of tested blade so that angle block gauge measuring arm and blade concavity are bonded completely in a certain relative position, to obtain the established angle of tested blade.Tested blade is reliable and stable in slip conditions, surveys accurate data；Simple in construction, device body precision is easily-controllable；Simple to operate, easy to assembly, detection efficiency is high.
Description
Technical field
The present invention relates to components of steam turbine detection technique, particularly a kind of combination centring type blade angle degree measurement dress
Put.
Background technology
In fluid machinery product, especially in fixed blade ring, blade is combined with inside and outside shroud, and combination is forward and backward necessary
Inspection and adjustment are measured to the setting angle of a certain height of blade.The structure fixed due to blade and inside and outside shroud
Directly it can not be measured using angle block gauge, conventional method is in the line of a certain height section of blade, then utilizes one flat plate
End face positioning is aided in, then is measured with angle block gauge, angle block gauge does not position on flat board during measurement, and this measuring method is accurate
Spend low, multiplicity is not high, more can not largely be accurately measured.And disclosed such device is also very limited, as patent discloses
Number it is CN102788547A, a kind of disclosed measurement apparatus of axial-flow fan blade setting angle, including connecting rod, in connecting rod
Both ends be respectively perpendicular baseline rod and measurement stock be installed, and measure stock perpendicular to the flat of baseline rod and connecting rod composition
Face, pointer is vertically fixedly installed in one end of measurement stock, and pointer is mutually perpendicular to baseline rod, the one of measurement stock
End is also vertically installed with dial, and dial abuts pointer and can be around mount point left-right rotation, and dial base is smooth, dial
On be labeled with scale value.This device there is rod member rigidity it is inadequate the defects of, and the same precise positioning for lacking measurement apparatus,
Cause measurement result accuracy inadequate.
The content of the invention
The invention aims to solve the test problems of blade angle in fluid machinery fixed blade ring, there is provided Yi Zhongjia
Work is simple, and assembly manipulation is convenient, the high combination centring type blade angle degree measurement apparatus of accuracy.
The above-mentioned technical problem of the present invention is mainly what is be addressed by following technical proposals：One kind combination centring type leaf
Piece setting angle measurement apparatus, it is characterized in that one group of inner ring or outer ring to tested blade of setting is supported the back-up roller of positioning
Wheel, tested blade is set to possess self-centering function；Angle block gauge is arranged in tested blade corresponding site again, makes the rotation of angle block gauge
Center can be accurately positioned tested Blade measuring and cut perpendicular through tested blade inner ring or the radiation center line of outer shroud
Face；During measurement, the support cambered surface being made up of back-up roller wheel slides along tested blade, adjusting angle metric and tested blade
Relative position and angle block gauge measuring arm so that angle block gauge measuring arm and blade concavity are bonded completely in a certain relative position, with
Obtain the established angle of tested blade.
The technical program is designed for combination centring type blade particularly fixed blade ring installation angular measurement problem, by can
If what is rolled does back-up roller wheel, by the inner ring or outer shroud of tested blade, make its self-centering, and by the one of tested blade
Individual end edge keeps tested blade to be supplied to angle block gauge measured data information in dynamic state as auxiliary stopper point.Next
The just radiation center line relatively easily by the pivot of angle block gauge perpendicular through inner ring or outer ring, certain can are accurately fixed
Position measurement section, during measurement, the dynamic sliding mode of tested blade is the cambered surface collectively formed by several support cambered surfaces
Realize, in hardware items such as the relative positions and measuring arm of adjusting angle metric and tested blade, just cause angle block gauge measuring arm
It is bonded completely in a certain relative position with tested blade concavity, angle now is that can be considered the established angle of the blade.
Preferably, described include one piece of measurement riser with support base, be provided with support base with it is described
The blade support body of riser parallel arrangement is measured, and some back-up roller wheels are provided with the supporter, by back-up roller wheel pair
One face of tested blade is positioned.
Preferably, described measurement riser is spacing at least provided with end face progress of the facade to being tested blade.
The facade can be the one side relative to tested blade or the back side relative to tested blade.
Preferably, being provided with the rule groove of some parallel arrangements from below to up on the measurement riser, advise and be equipped with groove
Angle block gauge.
Preferably, described angle block gauge is arranged on measurement riser, back-up roller wheel is disposed in measuring riser bottom
Supporter on, supporter is provided with some back-up roller wheels, and all supporting surfaces of some back-up roller wheels highly meet tested
The action requirement of blade radian position.Ensure that tested blade has enough sliding spaces.
Preferably, the end of described measurement some rules and regulations grooves of riser is provided with fixed charge method end plate.According to product different size
Model selection rule groove.
Preferably, gauge fixed plate is provided with some rules and regulations grooves of described measurement riser.It is removable replaceable.
Preferably, described blade support body and measurement riser are carried out between spacing facade to being tested vane end faces
Distance meets keep level conditions dictate during tested Blade measuring.Tested blade center of gravity skew is avoided to cause blade lean and influence
Measurement accuracy.
Preferably, described rule groove size and the base chi dimensional fits of angle block gauge.There is provided most beneficial for angle block gauge installation,
The rule slot structure of dismounting.
Preferably, described measurement riser carries out spacing facade provided with equal positioning to being tested vane end faces
The needle roller group in face.The sliding friction for changing tested blade side is rolling friction, improves the stability during tested crop leaf measuring.
The beneficial effects of the invention are as follows：By the measurement riser with back-up roller wheel base, effectively to being tested blade
Inner ring or outer ring is positioned and supported, and is made tested blade self-centering, is tested the end edge auxiliary positioning of blade, ensure that
Tested blade is reliable and stable in slip conditions, surveys accurate data；The angle block gauge installing mechanism of multistation meets different rule
The crop leaf measuring of lattice number；To being tested the inner ring or outer ring radiation center line of blade, measurement section is easy to find accurately, makes angle
Metric measuring arm and tested blade concavity are bonded completely in a certain relative position；Simple in construction, device body precision is easily-controllable；Operation
Simply, easy to assembly, detection efficiency is high.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is Fig. 1 left view.
Fig. 3 is Fig. 1 top view.
Fig. 4 is a kind of measurement riser structural representation of the present invention.
Fig. 5 is Fig. 4 right view.
In figure：1. riser is measured, 101. rule grooves, 102. facades, 103. blade support bodies, 2. angle block gauges, 3. back-up roller wheels,
4. roller shaft, 5. fixed charge method end plates, 6. gauge fixed plates.
Embodiment
Below by embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.
A kind of combination centring type blade angle degree measurement apparatus of the present embodiment, its operation principle are：One group is set to quilt
The inner ring or outer ring for surveying blade 7 is supported the back-up roller wheel 3 of positioning, tested blade 7 is possessed self-centering function.Again angle
Metric 2 is arranged in the tested corresponding site of blade 7, makes the pivot of angle block gauge 2 perpendicular through the tested inner ring of blade 7 or outer shroud
Radiation center line, while tested Blade measuring section can be accurately positioned.During measurement, the support that is made up of back-up roller wheel 3
Cambered surface slides along tested blade 7, adjusting angle metric 2 and the relative position and angle block gauge measuring arm of tested blade 7 so that
Angle block gauge measuring arm and the inner arc of tested blade 7 are bonded completely in a certain relative position, so as to obtain the established angle number of tested blade 7
Value.
The present embodiment concrete structure is as shown in figure 1, including one piece of measurement riser 1 with support base, referring to Fig. 1 to figure
5, the blade support body 103 being arranged in parallel with measurement riser 1 is provided with support base, measures riser 1 and blade support body 103
Groove space be present, two pieces back-up roller wheel 3 is provided with supporter 103, back-up roller wheel 3 is fixed by roller shaft 4, back-up roller wheel
3 can use standard roller bearing.A face for being tested blade 7 is positioned by back-up roller wheel 3.The two of two pieces back-up roller wheel 3
Place's supporting surface height will meet the tested radian position action requirement of blade 7, i.e., the bottom of tested blade 7 is kept in detection process
Only two point positions support.
Further, measure riser 1 to limit an end face for being tested blade 7 provided with a facade 102, the present embodiment choosing
Facade with measurement riser 1 relative to tested one side of blade 7.
On measurement riser 1, the rule groove 101 from below to up provided with 7 parallel arrangements, advise in groove 101 and angle block gauge 2 is housed.
Specific assembling structure is to be provided with a fixed charge method end plate 5 in the end of 7 rules and regulations grooves 101 of measurement riser 1, and in measurement riser 1
Advise and gauge fixed plate 6 is configured in groove 101.Usually, the size of groove 101 and the base chi dimensional fits of angle block gauge 2 are advised.
Between design blade support body 103 and measurement riser 1 facade 102 spacing to being tested the progress of the end face of blade 7
Apart from when, to consider that the groove space need to meet keep level conditions dictate when tested blade 7 measures, make the weight of tested blade 7
The heart is always positioned in back-up roller wheel 3.
In addition, in order that tested blade 7 when sliding, the frictional force reduction between the end face of the measurement positioning of riser 1, is measuring
The needle roller group with equal locating surface is provided with the facade 102 of riser 1.
In use, tested blade 7 is placed in back-up roller wheel 3, and a side end edge of tested blade 7 is close to measurement and stood
The facade 102 of plate 1, by tested blade 7 on the arc surface that two back-up roller wheels 3 form slidably, you can enter tested blade 7
The measurement of installation degree
Above-described embodiment is the description of the invention, is not limitation of the invention, any simple transformation to the present invention
Rear structure, method etc. belong to protection scope of the present invention.
Claims (10)
1. one kind combination centring type blade angle degree measurement apparatus, it is characterized in that setting one group of inner ring to being tested blade (7)
Or outer shroud is supported the back-up roller wheel (3) of positioning, tested blade is set to possess self-centering function；Angle block gauge (2) is arranged again
In tested blade corresponding site, make the pivot of angle block gauge perpendicular through tested blade inner ring or the radiation center of outer shroud
Line, while tested Blade measuring section can be accurately positioned；During measurement, the support cambered surface being made up of back-up roller wheel makes tested leaf
Piece slides along, the relative position and angle block gauge measuring arm of adjusting angle metric and tested blade so that angle block gauge measuring arm and
Blade concavity is bonded completely in a certain relative position, to obtain the established angle of tested blade.
2. combination centring type blade angle degree measurement apparatus according to claim 1, it is characterised in that including one piece of tool
There is the measurement riser (1) of support base, the blade support body with the measurement riser parallel arrangement is provided with support base
(103) some back-up roller wheels (3), and on the supporter are provided with, a face for being tested blade (7) is entered by back-up roller wheel
Row positioning.
3. combination centring type blade angle degree measurement apparatus according to claim 2, it is characterized in that described measurement is stood
Plate (1) carries out spacing at least provided with a facade (102) to an end face for being tested blade.
4. the combination centring type blade angle degree measurement apparatus according to Claims 2 or 3, it is characterized in that：In the survey
The rule groove (101) for being provided with some parallel arrangements on riser (1) from below to up is measured, advises in groove and angle block gauge (2) is housed.
5. combination centring type blade angle degree measurement apparatus according to claim 1, it is characterised in that：Described angle
Rule (2) are arranged on measurement riser (1), and back-up roller wheel (3) is disposed in measuring on the supporter (103) of riser bottom, branch
Support body is provided with some back-up roller wheels (3), and all supporting surfaces of some back-up roller wheels highly meet tested blade (7) radian
Position action requirement.
6. the combination centring type blade angle degree measurement apparatus according to Claims 2 or 3 or 5, it is characterized in that described
The end of measurement riser (1) some rules and regulations grooves (101) is provided with fixed charge method end plate (5).
7. the combination centring type blade angle degree measurement apparatus according to Claims 2 or 3 or 5, it is characterized in that described
Some rules and regulations grooves (101) of measurement riser (1) in be provided with gauge fixed plate (6).
8. the combination centring type blade angle degree measurement apparatus according to Claims 2 or 3 or 5, it is characterised in that described
Blade support body (103) carries out the distance between spacing facade (102) completely with measurement riser (1) to being tested blade (7) end face
Keep level conditions dictate when foot is tested Blade measuring.
9. the combination centring type blade angle degree measurement apparatus according to Claims 2 or 3 or 5, it is characterised in that described
Rule groove (101) size and angle block gauge (2) base chi dimensional fits.
10. combination centring type blade angle degree measurement apparatus according to claim 3, it is characterized in that：Measure riser (1)
Spacing facade (102) is carried out provided with the needle roller group with equal locating surface to being tested blade (7) end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710851609.3A CN107747897B (en) | 2017-09-20 | 2017-09-20 | Combine centring type blade angle degree measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710851609.3A CN107747897B (en) | 2017-09-20 | 2017-09-20 | Combine centring type blade angle degree measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107747897A true CN107747897A (en) | 2018-03-02 |
| CN107747897B CN107747897B (en) | 2019-11-05 |
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ID=61255026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710851609.3A Active CN107747897B (en) | 2017-09-20 | 2017-09-20 | Combine centring type blade angle degree measuring device |
Country Status (1)
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| CN (1) | CN107747897B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211068A (en) * | 2018-09-12 | 2019-01-15 | 中国航发湖南动力机械研究所 | Angle measurement unit |
| CN112212768A (en) * | 2020-09-29 | 2021-01-12 | 中国航发动力股份有限公司 | Auxiliary measuring device and method for chord tangent angle of blade of stator component of casing |
| CN112484682A (en) * | 2020-11-05 | 2021-03-12 | 中国航发四川燃气涡轮研究院 | Measuring device and measuring method for adjustable blade installation angle |
| CN113295076A (en) * | 2021-06-01 | 2021-08-24 | 哈尔滨汽轮机厂有限责任公司 | Gas compressor guide blade installation angle measuring tool and using method thereof |
| CN114777623A (en) * | 2022-05-23 | 2022-07-22 | 哈尔滨汽轮机厂有限责任公司 | Radial line angle ruler for rotor blades of steam turbine set |
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| US20090223073A1 (en) * | 2008-03-10 | 2009-09-10 | Ta-Sen Tu | Main rotor blade calibration gauge for remote-controlled toy helicopter |
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| US20090223073A1 (en) * | 2008-03-10 | 2009-09-10 | Ta-Sen Tu | Main rotor blade calibration gauge for remote-controlled toy helicopter |
| US8122601B2 (en) * | 2008-04-15 | 2012-02-28 | United Technologies Corporation | Methods for correcting twist angle in a gas turbine engine blade |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211068A (en) * | 2018-09-12 | 2019-01-15 | 中国航发湖南动力机械研究所 | Angle measurement unit |
| CN112212768A (en) * | 2020-09-29 | 2021-01-12 | 中国航发动力股份有限公司 | Auxiliary measuring device and method for chord tangent angle of blade of stator component of casing |
| CN112212768B (en) * | 2020-09-29 | 2022-08-02 | 中国航发动力股份有限公司 | Auxiliary measuring device and method for chord tangent angle of blade of stator component of casing |
| CN112484682A (en) * | 2020-11-05 | 2021-03-12 | 中国航发四川燃气涡轮研究院 | Measuring device and measuring method for adjustable blade installation angle |
| CN113295076A (en) * | 2021-06-01 | 2021-08-24 | 哈尔滨汽轮机厂有限责任公司 | Gas compressor guide blade installation angle measuring tool and using method thereof |
| CN113295076B (en) * | 2021-06-01 | 2022-11-25 | 哈尔滨汽轮机厂有限责任公司 | Gas compressor guide blade installation angle measuring tool and using method thereof |
| CN114777623A (en) * | 2022-05-23 | 2022-07-22 | 哈尔滨汽轮机厂有限责任公司 | Radial line angle ruler for rotor blades of steam turbine set |
| CN114777623B (en) * | 2022-05-23 | 2023-12-26 | 哈尔滨汽轮机厂有限责任公司 | Radial angle ruler of turbine unit rotor blade |
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| Publication number | Publication date |
|---|---|
| CN107747897B (en) | 2019-11-05 |
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Address after: 310000 Building 1, No. 608, Kangxin Road, Linping District, Hangzhou, Zhejiang Patentee after: Hangzhou Turbine Power Group Co.,Ltd. Address before: No. 357, Shiqiao Road, Hangzhou, Zhejiang 310000 Patentee before: HANGZHOU STEAM TURBINE Co.,Ltd. |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20180302 Assignee: Hangzhou Steam Turbine Machinery Equipment Co.,Ltd. Assignor: Hangzhou Turbine Power Group Co.,Ltd. Contract record no.: X2022330000771 Denomination of invention: Combined centering blade installation angle measuring device Granted publication date: 20191105 License type: Common License Record date: 20221226 |