CN209335454U - A kind of measuring device of turbine blade root two sides angle faces - Google Patents
A kind of measuring device of turbine blade root two sides angle faces Download PDFInfo
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- CN209335454U CN209335454U CN201822064842.XU CN201822064842U CN209335454U CN 209335454 U CN209335454 U CN 209335454U CN 201822064842 U CN201822064842 U CN 201822064842U CN 209335454 U CN209335454 U CN 209335454U
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Abstract
The utility model provides a kind of measuring device of turbine blade root two sides angle faces, can solve the problem that the existing measurement tooling measurement efficiency for measuring turbine blade root two sides angle faces is low, versatility is very poor.It includes bottom plate and detection template, square chest positioning component and template positioning component are separately installed on bottom plate, square chest positioning component includes support portion, sided locating sections and axially position portion, and the square chest equipped with turbine blade is in being placed horizontally on support portion and its side and front end face recline with sided locating sections and axially position portion respectively；Template positioning component is located at below the blade root of turbine blade, detection template is located at the air inlet side of blade root or outlet is surveyed, detection template is in being vertically installed on template positioning component and its plate face is parallel to the front end face of square chest, detecting the template side adjacent with blade root is detection faces, and the angle between detection faces and horizontal plane is equal to the angle between the air inlet side of blade root and the bottom surface of square chest.
Description
Technical field
The present invention relates to the tooling fields of turbine Blade Machining, more particularly, to Blade measuring tooling field, specially
A kind of measuring device of turbine blade root two sides angle faces.
Background technique
After national 13 energy strategy planning and adjustings, the excess capacities such as coal electricity, thermoelectricity, high energy consumption field head when it
It is washed into the important object for rectification, Steam Turbine receives great impact, and market competition situation grows in intensity, and how to reduce
Product processing cost, shortening have become one of test of final and decisive juncture in industry competition delivery cycle.
The processing quality of turbine blade depends primarily on the precision of frock clamp, stability, in the manufacturing cost of blade
Critically important a part also depends on generally applicable property and the manufacturing cycle of tooling, it is seen that blade processing tooling is to raising steam turbine leaf
Flake products competitiveness important role.
For the turbine blade with fir-tree root, need to detect after processing is completed blade root two sides angle faces (i.e. into
Gas side face and outlet survey face) machining accuracy.For the measuring tool of blade root two sides angle planar survey, what is generallyd use in the industry is such as figure
Tooling is measured shown in 1, is mainly included square chest bottom plate 1, support plate 2, side positioning plate 3, column 4 and contour to table block 5, is surveyed
Amount principle is: by 6 gyration of square chest, so that the air inlet side 81 of blade root 8 and outlet is surveyed 82 holding of face level, then by square chest and work
Dress is placed on measuring table together, using measuring table as benchmark face, with height gauge, amesdial, contour to table block conjunction measuring
The size of blade root wherein air inlet side 81, since outlet is surveyed, face is parallel with air inlet side, therefore outlet surveys the size in face 82 using swimming
Mark slide calliper rule can be measured.
But above-mentioned measurement tool structure suffers from the drawback that 1) measurement is required to measuring table every time, while with high
Ruler, amesdial, contour to table block conjunction measuring is spent, measurement efficiency is extremely low；2) due to the processing of turbine blade there are multi items,
The characteristics of small batch, for the turbine blade of different cultivars, different model generally require each product manufacture it is a set of above-mentioned
Tooling is measured, thus the versatility of the measurement tooling is very poor, frock cost is high, and the manufacturing cycle is long.
In conclusion existing measurement tooling is unable to satisfy the production requirement of current blades efficient rate and low cost.
Summary of the invention
For existing measurement turbine blade root two sides angle faces measurement tooling measurement efficiency is low, versatility is very poor
Technical problem, the utility model provide a kind of measuring device of turbine blade root two sides angle faces, and measurement efficiency is high,
Versatility is good, can substantially reduce tooling manufacturing cost, shortens the manufacturing cycle.
Its technical solution is such that a kind of measuring device of turbine blade root two sides angle faces, it is characterised in that:
It includes bottom plate and detection template, is separately installed with square chest positioning component and template positioning component, the square chest on the bottom plate
Positioning component includes support portion, sided locating sections and axially position portion, and the square chest equipped with turbine blade is in be placed horizontally at institute
It states on support portion and its side and front end face reclines with the sided locating sections and axially position portion respectively；The template positioning group
Part is located at below the blade root of the turbine blade, and the detection template is located at the air inlet side of the blade root or outlet is surveyed, described
Detection template is in being vertically installed on the template positioning component and its plate face is parallel to the front end face of the square chest, the detection
The template side adjacent with the blade root is detection faces, angle between the detection faces and horizontal plane be equal to the blade root into
Angle between gas side face and the bottom surface of the square chest.
It is further characterized by:
The bottom plate is rectangular plate.
The support portion and the template positioning component are located at the front and rear sides in the axially position portion, the support
Portion includes multiple support plates, and the top surface of the support plate is horizontal location face, and the support plate is fixedly installed in institute by screw
It states on the top surface of bottom plate.
The support plate sets there are four and is in distributed rectangular.
The sided locating sections include at least one locating piece, and the locating piece is in inverted L-shaped block structure, the bottom plate
Threaded hole, the left side or right side of the vertical portion of the locating piece and the bottom plate are offered on left side and/or right side
It is adjacent to positioning and the threaded hole is passed through by screw and be fixedly connected with the bottom plate, the horizontal position of the locating piece is in described
It above bottom plate and extends internally, horizontal part side and the left side of the square chest or right side of the locating piece recline.
The axially position portion is axially position pin, and vertical pin hole is offered on the top surface of the bottom plate, and the axial direction is fixed
Position pin is fixedly installed in the vertical pin hole, and the front end face of the square chest and the side of the axially position pin recline.
The template positioning component includes positioning seat, and the positioning seat is rectangular plate-like structure and is fixed in the bottom plate
On top surface, at least row's straight pin is installed on the top surface of the positioning seat, the center positioned at the straight pin of same row connects
Line is parallel to the front end face of the square chest；The detection template is equipped with right-angle notch, the right angle in vertically arranged and its bottom
Two right-angle surfaces of notch are bonded with the side of the positioning seat and top surface respectively, and the side plate face of the detection template and same
The straight pin side of one row reclines.
There are four the straight pin of same row is set, the left and right two of the blade root is arranged in four straight pins two-by-two
Side.
Axially spaced-apart on the positioning seat along the turbine blade is equipped with three row's straight pins.
The beneficial effects of the utility model are:
The blade root angle gauge of the utility model is provided with square chest positioning component and template positioning group on bottom plate
Part is realized to the accurate positionin of square chest, that is, turbine blade using square chest positioning component, is realized using template positioning component to inspection
Test sample plate detects the accurate positionin of position, due to being provided with detection faces on detection template, the angle between detection faces and horizontal plane
Equal to the angle between the air inlet side of blade root and the bottom surface of square chest, thus directly using clearance gauge measurement detection template detection faces with
The size survey to blade root air inlet side or outlet side can be realized in light leakage value between the air inlet side or outlet side of blade root
Amount, after side angle faces are measured, using another angle faces of vernier caliper measurement, compared with existing measuring device, dress
It sets without upper measuring table, does not also need using height gauge, amesdial, measurement is rapidly and efficiently；Meanwhile except detection template needs every time
Outside by the angle and the individually designed manufacture of size of blade root two sides angle faces, device remaining part is common segment, common segment
It only needs to manufacture a set of, so that it may be suitable for most turbine blade product, greatly reduce tooling manufacturing cost and shortening
Tooling manufacturing cycle, versatility are greatly improved.
Detailed description of the invention
Fig. 1 is conventional turbine blade root two sides angle gauge main view；
Fig. 2 is the main view of the utility model；
Fig. 3 is the top view of Fig. 1；
Fig. 4 is the overall structure diagram of the utility model；
Fig. 5 is the assembling schematic diagram of square chest and the utility model；
Fig. 6 is to measure blade root angle faces schematic diagram using the device of the utility model.
Appended drawing reference:
1- square chest bottom plate；2- support plate；The side 3- positioning plate；4- column；5- is contour to table block；6- square chest；
7- turbine blade；8- blade root；81- air inlet side；82- outlet side；11- bottom plate；The left side of 111- bottom plate；
The right side of 112- bottom plate；12- detects template；121- detection faces；122- right-angle notch；13- support plate；14- screw；15- is fixed
Position block；151- horizontal part side；16- axially position pin；17- positioning seat；The side of 171- positioning seat；The top of 172- positioning seat
Face；18- straight pin；The front end face of 61- square chest；The left side of 62- square chest；The right side of 63- square chest.
Specific embodiment
See Fig. 2 to Fig. 6, a kind of measuring device of turbine blade root two sides angle faces of the utility model comprising
Bottom plate 11 and detection template 12, are separately installed with square chest positioning component and template positioning component, the preferred square of bottom plate 11 on bottom plate 11
Shape plate, it is easy to process, facilitate the fixed and positioned of square chest positioning component and template positioning component；Square chest positioning component includes branch
Support part, sided locating sections and axially position portion, the square chest 6 equipped with turbine blade 7 is in being placed horizontally on support portion and its side
Face and front end face 61 recline with sided locating sections and axially position portion respectively；Template positioning component is located at the leaf of turbine blade 7
8 lower section of root, detection template 12 is located at the air inlet side of blade root 8 or outlet is surveyed, and detection template 12 is in vertically to be installed on template positioning group
On part and its plate face is parallel to the front end face 61 of square chest, and detection template 12 side adjacent with blade root 8 is detection faces 121, detection
Angle α between face 121 and horizontal plane is equal to the angle folder β between the air inlet side 81 and the bottom surface of square chest of blade root 8.
See that Fig. 3 and Fig. 4, support portion and template positioning component are located at the front and rear sides in axially position portion, support portion packet
Multiple support plates 13 are included, the top surface of support plate 13 is horizontal location face, and support plate 13 is equipped with counterbore, and support plate 13 is placed in bottom
On 11 top surface of plate, while counterbore is passed through by screw 14 and is connected and fixed with bottom plate 11, support plate 13 sets there are four and is in rectangle in Fig. 4
Distribution, it is more reliable and more stable to the support of square chest 6.
See that Fig. 2 to Fig. 4, sided locating sections include at least one locating piece 15, locating piece 15 is in inverted L-shaped block structure, bottom
Offer threaded hole on the left side 111 or right side 112 of plate, the vertical portion of locating piece 15 and the left side 111 of bottom plate 11 or
Right side 112 is adjacent to position and pass through threaded hole by screw and be fixedly connected with bottom plate 11, and the horizontal position of locating piece 15 is the bottom of in
11 top of plate simultaneously extends internally, and the horizontal part side 151 of locating piece 15 reclines with the left side 62 of square chest or right side 63.It is preferred that
, threaded hole is opened up in the left and right sides of bottom plate 11, i.e. locating piece 15 can be selectively mounted to bottom plate according to the actual situation
11 left or right side further increases the versatility of device to adapt to the positioning to forward and reverse blade.
See Fig. 4, axially position portion is axially position pin 16, offers vertical pin hole, axially position on the top surface of bottom plate 11
Pin 16 is fixedly installed in vertical pin hole, and the front end face 61 of square chest and the side of axially position pin 16 recline.Structure is simple, installation
Convenient, positioning is reliable.
See that Fig. 3 and Fig. 4, template positioning component include positioning seat 17, positioning seat 17 is rectangular plate-like structure and is fixed in bottom
On the top surface of plate 11, at least row's straight pin 18 is installed, in the straight pin 18 of same row on the top surface of positioning seat 17
Heart line is parallel to the front end face 61 of square chest；It detects template 12 and is equipped with right-angle notch 122 in vertically arranged and its bottom, right angle lacks
Mouthfuls 122 two right-angle surfaces be bondeds with the side of positioning seat 171 and top surface 172 respectively, and detect template 12 side plate face and
18 side of straight pin of same row reclines, and is designed in this way, and can fast and accurately realize the installation positioning of detection template；Same row
Straight pin 18 set there are four, the left and right sides of blade root 8 is arranged in four straight pins 18 two-by-two, thus in the air inlet side of blade root 8
The reliable location that can be realized to detection template is surveyed with outlet, it is more convenient to use flexible；Along steam turbine leaf on positioning seat 17
The axially spaced-apart of piece 7 is equipped with three row's straight pins 18；It, can unrestricted choice detection template for the blade root of different sizes and model
Position is detected, the versatility of device is further increased.
Below by taking Fig. 5 and Fig. 6 as an example, specifically describe lower using utility model device measurement turbine blade root two sides
The process of angle faces: square chest 6 is placed on support plate 13, and pastes 6 side of square chest and the horizontal part side 151 of locating piece 15
It closes, the front end face 61 of square chest leans against on the side of axially position pin 16, the positioning of complete blade pair, and selection is mutually fitted with blade model
The detection template 12 answered will test the air inlet side that template 12 is mounted on blade root 8, make to detect the right-angle notch 122 on template 12
Two right-angle surfaces are bonded with the side of positioning seat 171 and top surface 172 respectively, and 18 side of straight pin of side plate face and same row are pasted
It leans on, with the gap width d between the detection faces 121 of clearance gauge inspection detection template and the air inlet side 81 of blade root 8,81 ruler of air inlet side
After very little qualification, with the size of vernier caliper measurement outlet side 82.
Claims (9)
1. a kind of measuring device of turbine blade root two sides angle faces, it is characterised in that: it include bottom plate and detection template,
Square chest positioning component and template positioning component are separately installed on the bottom plate, the square chest positioning component includes support portion, side
Face positioning region and axially position portion, the square chest equipped with turbine blade in be placed horizontally on the support portion and its side and before
End face reclines with the sided locating sections and axially position portion respectively；The template positioning component is located at the turbine blade
Below blade root, the detection template is located at the air inlet side of the blade root or outlet is surveyed, and the detection template is installed on institute in vertical
It states on template positioning component and its plate face is parallel to the front end face of the square chest, the detection template side adjacent with the blade root
Face is detection faces, and the angle between the detection faces and horizontal plane is equal to the air inlet side of the blade root and the bottom surface of the square chest
Between angle.
2. a kind of measuring device of turbine blade root two sides angle faces according to claim 1, it is characterised in that: institute
Stating bottom plate is rectangular plate.
3. a kind of measuring device of turbine blade root two sides angle faces according to claim 1 or 2, feature exist
The front and rear sides in the axially position portion, the support portion packet are located in: the support portion and the template positioning component
Multiple support plates are included, the top surface of the support plate is horizontal location face, and the support plate is fixedly installed in the bottom by screw
On the top surface of plate.
4. a kind of measuring device of turbine blade root two sides angle faces according to claim 3, it is characterised in that: institute
Support plate is stated to set there are four and be in distributed rectangular.
5. a kind of measuring device of turbine blade root two sides angle faces according to claim 1 or 2, feature exist
In: the sided locating sections include at least one locating piece, and the locating piece is in inverted L-shaped block structure, the left side of the bottom plate
Threaded hole is offered on face and/or right side, the vertical portion of the locating piece is adjacent to the left side of the bottom plate or right side
It positions and passes through screw and be fixedly connected across the threaded hole with the bottom plate, the horizontal position of the locating piece is in the bottom plate
Top simultaneously extends internally, and horizontal part side and the left side of the square chest or right side of the locating piece recline.
6. a kind of measuring device of turbine blade root two sides angle faces according to claim 1 or 2, feature exist
In: the axially position portion is axially position pin, and vertical pin hole is offered on the top surface of the bottom plate, and the axially position pin is solid
Loaded in the vertical pin hole, the front end face of the square chest and the side of the axially position pin recline for Dingan County.
7. a kind of measuring device of turbine blade root two sides angle faces according to claim 1 or 2, feature exist
In: the template positioning component includes positioning seat, and the positioning seat is rectangular plate-like structure and the top surface for being fixed in the bottom plate
On, at least row's straight pin is installed, the line of centres positioned at the straight pin of same row is flat on the top surface of the positioning seat
Row is in the front end face of the square chest；The detection template is equipped with right-angle notch, the right-angle notch in vertically arranged and its bottom
Two right-angle surfaces be bonded respectively with the side of the positioning seat and top surface, and it is described detection template side plate face and same row
The straight pin side recline.
8. a kind of measuring device of turbine blade root two sides angle faces according to claim 7, it is characterised in that: same
There are four the straight pin of one row is set, the left and right sides of the blade root is arranged in four straight pins two-by-two.
9. a kind of measuring device of turbine blade root two sides angle faces according to claim 7, it is characterised in that: institute
It states the axially spaced-apart on positioning seat along the turbine blade and three row's straight pins is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822064842.XU CN209335454U (en) | 2018-12-10 | 2018-12-10 | A kind of measuring device of turbine blade root two sides angle faces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822064842.XU CN209335454U (en) | 2018-12-10 | 2018-12-10 | A kind of measuring device of turbine blade root two sides angle faces |
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| Publication Number | Publication Date |
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| CN209335454U true CN209335454U (en) | 2019-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822064842.XU Active CN209335454U (en) | 2018-12-10 | 2018-12-10 | A kind of measuring device of turbine blade root two sides angle faces |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN115008402A (en) * | 2022-06-16 | 2022-09-06 | 吉林省电力科学研究院有限公司 | Blade root angle measuring and adjusting device for steam turbine blade |
-
2018
- 2018-12-10 CN CN201822064842.XU patent/CN209335454U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN115008402A (en) * | 2022-06-16 | 2022-09-06 | 吉林省电力科学研究院有限公司 | Blade root angle measuring and adjusting device for steam turbine blade |
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