CN110793414A - Flat platform angle measuring tool of quiet leaf petiole - Google Patents
Flat platform angle measuring tool of quiet leaf petiole Download PDFInfo
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- CN110793414A CN110793414A CN201911030011.3A CN201911030011A CN110793414A CN 110793414 A CN110793414 A CN 110793414A CN 201911030011 A CN201911030011 A CN 201911030011A CN 110793414 A CN110793414 A CN 110793414A
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 abstract description 2
- 230000000007 visual effect Effects 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
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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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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The invention discloses a stationary blade petiole flat platform angle measuring tool. For the technical problem of the measurement of the out-of-plane angle of the flat platform of the stationary blade petiole, the conversion processing is required to be carried out through projection coplanarity and angle superposition. The measuring tool comprises an angle ruler (comprising a main ruler and an auxiliary ruler), a knife ruler device, a bracket, a stand column, a handrail, a bottom plate, an angle positioning block, a replaceable flat pin sleeve, a guide sleeve and the like. The invention has the characteristics of convenient use, visual detection and accurate result.
Description
Technical Field
The invention relates to a measuring technology of a different-surface angle, which is used for measuring the angle of a flat platform of a stationary blade petiole.
Background
The angle of the flat platform of the blade handle of the stationary blade directly influences the use performance of the axial flow fan equipment, and referring to the attached drawing 3, the included angle of the different surfaces formed by the central surface of the flat platform of the blade handle and the chord closed surface of the blade profile is the angle of the flat platform of the blade handle of the stationary blade. The dimensions of the shank platforms of vanes of various sizes are different. Therefore, the angle of the shank platform is measured by a special measuring tool.
When the prior art is used for measuring the angle of the flat platform of the petiole, only three-coordinate detection equipment can be used, but the operation of fixed platform positions and professional detection technicians is limited, so that the abstract and low detection efficiency are achieved, the consistency of the measurement result is poor, and the working requirement for rapidly measuring the angle of the flat platform of the petiole of the stationary blade at any time on site is not met.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the angle measuring tool which is convenient to use, visual in detection and accurate in result.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention provides a tool for measuring the angle of a flat platform of a stationary blade petiole, which comprises an angle ruler, a knife ruler device, a bracket, a stand column, a handrail, a guide sleeve, a bottom plate, an angle positioning block, a positioning pin, a replaceable flat pin sleeve and a base; the angle ruler comprises an auxiliary ruler and a main ruler.
The angle gauge has an accuracy display of 10' and is used for measuring the angle of the chord closed surface of the blade profile of the stator blade to be measured; the auxiliary ruler and the main ruler are respectively and uniformly marked with different angle scale lines, wherein the main ruler is provided with 1-degree scale lines of each grid, and the auxiliary ruler is marked with corresponding angle scale lines according to 1-degree 10' of each grid.
The knife rule device consists of a knife rule, a knife rest and a jackscrew and is used for determining the adjusting position of the blade profile chord closed surface of the stator blade to be measured.
The bracket is used for supporting and fastening the main ruler.
The upright post is used as a coordinate axis of the angle translation projection.
The supporting plate is used for supporting the measured stationary blade to be upright and stable through replaceable guide sleeves with different specifications.
The bottom plate is used as a reference projection surface, and two positioning pins are used for fixing the angle positioning block.
The angle positioning block is used for fixing the replaceable flat pin sleeve, has a fixed angle conversion function, and can be used for reading and superposing with a blade profile chord closed surface angle measured by the angle ruler to determine the angle of the flat platform of the blade handle of the stator blade to be measured.
Compared with the prior art, the invention has the following technical effects:
1. the angle ruler of the device has an accuracy display of 10' and is used for measuring the angle of the chord closed plane of the profile of the stator blade to be measured (including an auxiliary ruler and a main ruler).
2. The positioning device provided with the stator blade to be measured comprises an angle positioning block, a replaceable flat pin sleeve and the like. The angle positioning block on the positioning device has a fixed angle conversion function, and can be superposed with the angle of the blade profile chord closed surface measured by the angle ruler through projection to determine the angle of the measured stationary blade petiole flat platform.
3. The arranged knife ruler device can accurately display the adjusting position of the fixed blade profile chord closed surface.
4. The arranged bracket can support and fasten the position of the main scale for adjustment.
5. The bottom plate is used as a reference projection surface and used for fixing the angle positioning block.
Drawings
FIG. 1 is a schematic structural view of the present measuring tool;
FIG. 2 is a schematic view of a combination structure of a base plate, an angle positioning block and a replaceable flat pin sleeve;
in FIG. 3, FIG. 3A is a vane shank platform angle schematic view; FIG. 3B is a schematic structural view of a vane under test.
The reference numbers in the figures represent: 1-an auxiliary ruler, 2-a main ruler, 3-a knife ruler device, 4-a bracket, 5-an upright post, 6-a support plate, 7-a guide sleeve, 8-a bottom plate, 9-an angle positioning block, 10-a positioning pin, 11-a replaceable flat pin sleeve, 12-a base, 13-a blade handle of a static blade, 14-a blade of the static blade, 15-a blade-shaped chord closed surface and 16-a flat platform central plane;
3-1-rule, 3-2-tool rest, and 3-jackscrew.
The invention will be explained and explained in more detail with reference to the drawings and the detailed description.
Detailed Description
Following the above technical solutions, specific embodiments of the present invention are given with reference to fig. 1 to 3 to further explain the technical solutions of the present invention.
It should be noted that the present invention is not limited to the following embodiments, and all equivalent changes based on the technical solutions of the present application fall into the protection scope of the present invention.
Example-angle for measuring vane shank platform:
the embodiment provides a flat platform angle measuring tool for a stationary blade handle, which comprises an angle ruler, a knife ruler device 3, a bracket 4, an upright post 5, a handrail 6, a guide sleeve 7, a bottom plate 8, an angle positioning block 9, a positioning pin 10, a replaceable flat pin sleeve 11 and a base 12; the angle ruler comprises an auxiliary ruler 1 and a main ruler 2.
The angle gauge has an accuracy display of 10' and is used for measuring the angle of the chord closed surface of the blade profile of the stator blade to be measured; different angle scale lines are uniformly marked on the auxiliary ruler 1 and the main ruler 2 respectively, wherein the main ruler is provided with 1-degree scale lines of each grid, and the auxiliary ruler is provided with corresponding angle scale lines according to 1-degree 10' of each grid.
The knife rule device 3 consists of a knife rule 3-1, a knife rest 3-2 and a jackscrew 3-3 and is used for determining the adjusting position of the chord closed surface of the blade profile of the stator blade to be measured.
The bracket 4 is used for supporting and fastening the main scale 2.
The upright post 5 is used as a coordinate axis of the angle translation projection.
The supporting plate 6 is used for supporting the measured stationary blade to be upright and stable through guide sleeves 7 which can be replaced and have different specifications.
The base plate 8 serves as a reference projection plane and two positioning pins 10 are used for fixing the angle positioning block 9.
The angle positioning block 9 is used for fixing the replaceable flat pin sleeve 11, has a fixed angle conversion function, can be superposed with the blade profile angle measured by the angle ruler in a reading mode, and determines the angle of the flat platform of the blade handle of the stator blade to be measured.
The specific steps of measuring the angle of the flat platform of the stationary blade petiole by using the measuring tool are as follows:
the first step is as follows: the corresponding guide sleeve and the positioning sleeve are selected and assembled according to the sizes of the blade handle and the flat platform of the stator blade to be measured, and the height positions of the supporting plate and the angle ruler are properly adjusted and fixed according to the length of the blade handle.
The second step is that: the stator blade to be measured is dropped and installed, the angle positioning block is properly rotated and fixed by the positioning pin, so that the angle of the blade profile chord closed surface is in the angle range which can be measured by the angle ruler (comprising the auxiliary ruler and the main ruler).
The third step: the main scale and the cutting rule device are adjusted to enable the knife edge of the cutting rule to be attached to the chord line on the closed surface of the blade-shaped chord, and the main scale can be fastened by using the bracket.
The fourth step: and according to the rotating angle of the angle positioning block and the angle of the blade profile chord closed surface measured by the angle ruler, the final reading result of the angle of the measured stationary blade handle flat platform can be superposed and determined.
Claims (8)
1. A tool for measuring the angle of a flat platform of a stationary blade petiole is characterized by comprising an angle ruler, a knife ruler device (3), a bracket (4), a stand column (5), a handrail (6), a guide sleeve (7), a bottom plate (8), an angle positioning block (9), a positioning pin (10), a replaceable flat pin sleeve (11) and a base (12); the angle ruler comprises an auxiliary ruler (1) and a main ruler (2).
2. The angle measuring tool of claim 1, wherein the angle gauge has an accuracy display of 10' for determining the angle of the chord plane of the stator blade profile being measured; different angle scale lines are respectively and uniformly marked on the auxiliary ruler (1) and the main ruler (2), wherein the main ruler is provided with 1-degree scale lines of each grid, and the auxiliary ruler is provided with corresponding angle scale lines according to 1-degree 10' of each grid.
3. The angle measuring tool according to claim 1, characterized in that the rule device (3) is composed of a rule (3-1), a tool holder (3-2) and a jackscrew (3-3); the cutting rule device (3) is fixed on the main rule (2) through the tool rest (3-2), and when the main rule is rotated to enable the cutting rule (3-1) to be attached to the blade profile chord closed surface, the cutting rule device can be fixed through the jackscrew (3-3) and determine the adjusting position of the blade profile chord closed surface of the tested stationary blade.
4. Angle measuring tool according to claim 1, characterized in that the bracket (4) is used for supporting and fastening the main scale (2); the bracket (4) is fixedly connected on the auxiliary ruler (1).
5. Angle measuring tool according to claim 1, characterized in that the uprights (5) are used as coordinate axes for the angular translational projection.
6. The angle measuring tool of claim 1, characterized in that the said rest plate (6) is used to support the stator blade to be measured upright and stable through replaceable guide sleeves (7) with different specifications.
7. Angle measuring tool according to claim 1, characterized in, that the base plate (8) serves as a reference projection plane and two positioning pins (10) are used for fixing the angle positioning block (9).
8. The angle measuring tool according to claim 1, characterized in that the angle positioning block (9) is used for fixing the changeable flat pin sleeve (11) which has a fixed angle conversion function and can be superposed with the reading of the chord closed plane angle of the blade profile measured by the angle ruler to determine the angle of the flat platform of the blade shank of the stator blade to be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911030011.3A CN110793414A (en) | 2019-10-28 | 2019-10-28 | Flat platform angle measuring tool of quiet leaf petiole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911030011.3A CN110793414A (en) | 2019-10-28 | 2019-10-28 | Flat platform angle measuring tool of quiet leaf petiole |
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| CN110793414A true CN110793414A (en) | 2020-02-14 |
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| CN201911030011.3A Pending CN110793414A (en) | 2019-10-28 | 2019-10-28 | Flat platform angle measuring tool of quiet leaf petiole |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112212757A (en) * | 2020-09-28 | 2021-01-12 | 株洲时代新材料科技股份有限公司 | Tool and method for detecting size of connecting rod product for rail transit vehicle |
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| CN101196388A (en) * | 2007-12-21 | 2008-06-11 | 沈阳黎明航空发动机(集团)有限责任公司 | Roll milling mold measure and its use method |
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-
2019
- 2019-10-28 CN CN201911030011.3A patent/CN110793414A/en active Pending
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| CN1748933A (en) * | 2004-09-15 | 2006-03-22 | 深圳市风百胜风机制造有限公司 | Method for producing high efficiency energy saving fan vane using fin structure section bar |
| CN101196388A (en) * | 2007-12-21 | 2008-06-11 | 沈阳黎明航空发动机(集团)有限责任公司 | Roll milling mold measure and its use method |
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| CN201607203U (en) * | 2009-11-26 | 2010-10-13 | 浙江金盾风机风冷设备有限公司 | Blade angle measurement device of metro tunnel fan |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112212757A (en) * | 2020-09-28 | 2021-01-12 | 株洲时代新材料科技股份有限公司 | Tool and method for detecting size of connecting rod product for rail transit vehicle |
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