CN107843174A - The measuring tool of angle incline position is split for measuring the bacterial type blade root back of the body - Google Patents
The measuring tool of angle incline position is split for measuring the bacterial type blade root back of the body Download PDFInfo
- Publication number
- CN107843174A CN107843174A CN201711259175.4A CN201711259175A CN107843174A CN 107843174 A CN107843174 A CN 107843174A CN 201711259175 A CN201711259175 A CN 201711259175A CN 107843174 A CN107843174 A CN 107843174A
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- China
- Prior art keywords
- blade root
- bacterial type
- support base
- angle
- type blade
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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
Abstract
The invention provides it is a kind of be used to measuring the bacterial type blade root back of the body split the measuring tool of angle incline position, it is more complicated that it can solve the measuring tool structure that the existing bacterial type blade root back of the body splits angle incline position, and human error easily occurs, the problem of influenceing measurement result accuracy.It includes blade root support base, the first locating piece and the second locating piece；The top surface of blade root support base is provided with the first supporting oblique surface and the second supporting oblique surface, angle between the bottom surface of first supporting oblique surface and blade root support base is equal to the angle carried on the back between sagittal plane that the back of the body splits angle inclined-plane and bacterial type blade root, and the first supporting oblique surface is used for the back of the body sagittal plane for supporting bacterial type blade root；Second supporting oblique surface is perpendicular to the first supporting oblique surface, for supporting the leading edge of bacterial type blade root；First locating piece and the second locating piece are separately mounted on the leading flank of blade root support base, and for abutting against on two blade root step surfaces of bacterial type blade root；The back of the body of bacterial type blade root splits angle and extends back blade root support base.
Description
Technical field
The present invention relates to the measuring tool field of turbine blade bacterial type blade root, is specially that one kind is split for measuring the bacterial type blade root back of the body
The measuring tool of angle incline position.
Background technology
Different according to the shape of blade root, the blade root of turbine blade can be roughly divided into four kinds, respectively bacterial type blade root, T-shaped
Blade root, fork type blade root and vertical tree type blade root.Fig. 1 show a kind of bacterial type blade root, wherein, 1 is blade root step surface, and 2 be leading edge,
3 be back of the body sagittal plane, and 4 be that the back of the body splits angle, and A opens a grade size for blade root.The back of the body splits the assembling that angle is used for bacterial type blade root, and the back of the body splits angle inclined-plane 41
Positional precision directly affect the follow-up assembly precision of blade.
The existing back of the body splits angle measuring tool, and structure is more complicated, and the measuring tool need to be measured using clearance gauge, due to not during measurement
It is different with the measurement gimmick of testing staff, therefore difference occurs in the selection of clearance gauge, human error is produced, have impact on measurement knot
The accuracy of fruit.
The content of the invention
In view of the above-mentioned problems, the invention provides it is a kind of be used to measuring the bacterial type blade root back of the body split the measuring tool of angle incline position, its
It is more complicated to solve the measuring tool structure that the existing bacterial type blade root back of the body splits angle incline position, and human error easily occurs, influences measurement knot
The problem of fruit accuracy.
Its technical scheme is such：A kind of to be used to measure the measuring tool that the bacterial type blade root back of the body splits angle incline position, its feature exists
In：It includes blade root support base, the first locating piece and the second locating piece；It is oblique that the top surface of the blade root support base is provided with the first support
It is oblique that angle between the bottom surface of face and the second supporting oblique surface, first supporting oblique surface and the blade root support base equal to the back of the body splits angle
Angle between face and the back of the body sagittal plane of bacterial type blade root, first supporting oblique surface are used for the back of the body for supporting the bacterial type blade root
Sagittal plane；Second supporting oblique surface is perpendicular to first supporting oblique surface, for supporting the leading edge of the bacterial type blade root；Institute
State the first locating piece and second locating piece is separately mounted on the leading flank of the blade root support base, and for abutting against
On two blade root step surfaces of the bacterial type blade root；The back of the body of the bacterial type blade root splits angle and extends back the blade root support
Seat.
It is further characterized by：
First locating piece and the distance between second locating piece are adjustable.
Several screwed holes are offered respectively on the leading flank of the blade root support base, the center of several screwed holes
Angle between the bottom surface of line and the blade root support base is equal to the bottom of first supporting oblique surface and the blade root support base
Angle between face, first locating piece are fixed on the blade root support base by the screw being assemblied in the screwed hole
On.
Second locating piece is fixedly mounted on the blade root support base by screw.
The beneficial effects of the invention are as follows：
1st, measuring tool of the invention, the top surface of blade root support base are provided with the first supporting oblique surface and the second supporting oblique surface, and the first support is oblique
Angle between face and the bottom surface of blade root support base is equal to the angle carried on the back between sagittal plane that the back of the body splits angle inclined-plane and bacterial type blade root, the
Two supporting oblique surfaces are perpendicular to the first supporting oblique surface so that when bacterial type blade root is placed on blade root support base, back of the body sagittal plane and
Leading edge can be fitted on the first supporting oblique surface and the second supporting oblique surface respectively, and cause the back of the body to split angle inclined-plane parallel to blade root
The bottom surface of support base, the first locating piece and the second locating piece is recycled to abut against on two blade root step surfaces of bacterial type blade root, it is real
Showed the axial limiting to bacterial type blade root, finally i.e. can be used depth gauge rule measurement blade root support base bottom surface to the back of the body split angle inclined-plane it
Between distance, measurement accuracy is high, avoids human error, ensure that the accuracy of measurement result, and this measuring tool is simple in construction, makes
With conveniently, cost is low；
2nd, by making the distance between the first locating piece and the second locating piece adjustable, so that this measuring tool can be applied to measurement
It is identical but open the different all bacterial type blade roots of grade size that the back of the body splits angle bevel angle, needs the bacterium to every kind of size with existing measuring tool
The individually designed special back of the body of type blade root is split angle measuring tool and compared, and versatility is stronger, reduce further measuring tool cost.
Brief description of the drawings
Fig. 1 is the structural representation of existing bacterial type blade root；
Fig. 2 is the front view of the measuring tool of the present invention；
Fig. 3 is the installation relation schematic diagram of bacterial type blade root and the measuring tool of the present invention；
Fig. 4 is the schematic diagram that angle incline position is split using the measuring tool measurement back of the body of the present invention.
Embodiment
See Fig. 2 to Fig. 4, a kind of measuring tool that angle incline position is split for measuring the bacterial type blade root back of the body of the invention, it includes leaf
Root support base 5, the first locating piece 6 and the second locating piece 7；The top surface of blade root support base 5 is provided with the first supporting oblique surface 51 and second
Supporting oblique surface 52, the angle α between the first supporting oblique surface 51 and the bottom surface 53 of blade root support base split angle inclined-plane 41 and bacterium equal to the back of the body
Angle β between the back of the body sagittal plane 3 of type blade root, the first supporting oblique surface 51 are used for the back of the body sagittal plane 3 for supporting bacterial type blade root；Second
Cant 52 is perpendicular to the first supporting oblique surface 51, for supporting the leading edge 2 of bacterial type blade root；First locating piece 6 and the second positioning
Block 7 is separately mounted on the leading flank 54 of blade root support base, and the first locating piece 6 and the distance between the second locating piece 7 are adjustable, the
The locating piece 7 of a positioning block 6 and second is for abutting against on two blade root step surfaces 1 of bacterial type blade root；The back of the body of bacterial type blade root
Split angle 4 and extend back blade root support base 5.
Preferably, see Fig. 2, offer several screwed holes 541, several spiral shells on the leading flank 54 of blade root support base respectively
Angle δ between the line of centres of pit 541 and the bottom surface 53 of blade root support base is equal to the first supporting oblique surface 51 and supported with blade root
Angle α between the bottom surface 53 of seat, the first locating piece 6 are fixed on blade root support base 5 by the screw being assemblied in screwed hole 541
On.First locating piece adopts the installation form being screwed, and is conveniently adjusted its installation site.
Preferably, Fig. 2 is seen, the second locating piece 7 is fixedly mounted on blade root support base 5 by screw.Second locating piece is adopted
The installation form being screwed, it is easily installed and dismantles.
The process that the lower measuring tool measurement bacterial type blade root back of the body using the present invention splits angle incline position is detailed below：First,
Measurement bacterial type blade root opens a grade size A, and the distance between the first locating piece 6 and the second locating piece 7 are adjusted according to grade size A is opened,
And the first locating piece 6 is arranged on blade root support base 5；Then, bacterial type blade root is attached on measuring tool, makes the back of the body footpath of bacterial type blade root
It is bonded to face 3 with the first supporting oblique surface 51 of blade root support base 5, the second supporting oblique surface 52 of leading edge 2 and blade root support base 5 pastes
Close, the first locating piece 6 and the second locating piece 7 are close to blade root step surface 1 respectively；Finally, blade root support base is measured with depth gauge rule
Bottom surface 53 split the distance between angle inclined-plane 41 B to the back of the body.
Claims (4)
1. a kind of be used to measure the measuring tool that the bacterial type blade root back of the body splits angle incline position, it is characterised in that：It includes blade root support base,
A positioning block and the second locating piece；The top surface of the blade root support base is provided with the first supporting oblique surface and the second supporting oblique surface, described
Angle between the bottom surface of first supporting oblique surface and the blade root support base is equal to the back of the body radial direction that the back of the body splits angle inclined-plane and bacterial type blade root
Angle between face, first supporting oblique surface are used for the back of the body sagittal plane for supporting the bacterial type blade root；Second support
Inclined-plane is perpendicular to first supporting oblique surface, for supporting the leading edge of the bacterial type blade root；First locating piece and described
Second locating piece is separately mounted on the leading flank of the blade root support base, and for abutting against the two of the bacterial type blade root
On individual blade root step surface；The back of the body of the bacterial type blade root splits angle and extends back the blade root support base.
A kind of 2. measuring tool that angle incline position is split for measuring the bacterial type blade root back of the body according to claim 1, it is characterised in that：
First locating piece and the distance between second locating piece are adjustable.
A kind of 3. measuring tool that angle incline position is split for measuring the bacterial type blade root back of the body according to claim 1, it is characterised in that：
Several screwed holes are offered respectively on the leading flank of the blade root support base, the line of centres of several screwed holes and institute
The angle stated between the bottom surface of blade root support base is equal between first supporting oblique surface and the bottom surface of the blade root support base
Angle, first locating piece are fixed on the blade root support base by the screw being assemblied in the screwed hole.
A kind of 4. measuring tool that angle incline position is split for measuring the bacterial type blade root back of the body according to claim 1, it is characterised in that：
Second locating piece is fixedly mounted on the blade root support base by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711259175.4A CN107843174B (en) | 2017-12-04 | 2017-12-04 | Measuring tool for measuring back splitting angle inclined plane position of bacterial blade root |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711259175.4A CN107843174B (en) | 2017-12-04 | 2017-12-04 | Measuring tool for measuring back splitting angle inclined plane position of bacterial blade root |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107843174A true CN107843174A (en) | 2018-03-27 |
| CN107843174B CN107843174B (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711259175.4A Active CN107843174B (en) | 2017-12-04 | 2017-12-04 | Measuring tool for measuring back splitting angle inclined plane position of bacterial blade root |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357585A (en) * | 2018-12-10 | 2019-02-19 | 无锡透平叶片有限公司 | The radius of gyration measuring device of turbine blade bacterial type blade root |
| 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 |
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Cited By (3)
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| CN109357585A (en) * | 2018-12-10 | 2019-02-19 | 无锡透平叶片有限公司 | The radius of gyration measuring device of turbine blade bacterial type blade root |
| 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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| Publication number | Publication date |
|---|---|
| CN107843174B (en) | 2023-05-23 |
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