CN204313767U - The instrument that a kind of compressor blade tenon angle detects - Google Patents
The instrument that a kind of compressor blade tenon angle detects Download PDFInfo
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- CN204313767U CN204313767U CN201420644227.5U CN201420644227U CN204313767U CN 204313767 U CN204313767 U CN 204313767U CN 201420644227 U CN201420644227 U CN 201420644227U CN 204313767 U CN204313767 U CN 204313767U
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- gauge stand
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Abstract
The instrument that compressor blade tenon angle detects, the instrument that described compressor blade tenon angle detects is constructed as follows: location structure (1), slip measure structure (2), fixation measuring structure (3) and base plate (4); Described location structure (1) is positioned to slide to be measured between structure (2) and fixation measuring structure (3), and location structure (1) comprising: length bar (19), link stopper (20), bearing (21), web member (6); Described bearing (21) is fixed on base plate (4) middle part, the instrument that compressor blade tenon angle described in the utility model detects solves the problem that tenon angular deviation is difficult to measure, the deviation size of blade tenon is conveniently calculated by final result, practical operation is convenient, fast, and cost is low.
Description
Technical field
The utility model relates to structural design and the applied technical field of the instrument of detection, specifically provides the instrument that a kind of compressor blade tenon angle detects.
Background technology
In blade tenon is measured; its angular deviation is difficult to measure accurately; general is all indirectly ensure by numerically-controlled machine; directly cannot measure actual number, owing to relying on lathe to ensure its precision, during Set and Positioning, all can affect the error of tenon angle; usually unacceptable product can be used as certified products; later operation can be caused to process, thus cause doing over again, consume a large amount of manpowers, financial resources.
People urgently wish the instrument obtaining the excellent compressor blade tenon angle detection of a kind of technique effect.
Utility model content
Order of the present utility model is to provide the instrument that a kind of compressor blade tenon angle detects, and the angular deviation solving compressor blade is difficult to the problem detected.
The instrument that described compressor blade tenon angle detects is constructed as follows: location structure 1, slip measure structure 2, fixation measuring structure 3 and base plate 4, described location structure 1 is measured between structure 2 and fixation measuring structure 3 in slip, and location structure 1 comprises: length bar 19, link stopper 20, bearing 21, web member 6, described bearing 21 is fixed in the middle part of base plate 4, and link stopper 20 is fixed on bearing 21 by web member 6, and two length bars 19 are fixed on bearing 21 respectively by link stopper 20, described slip is measured structure 2 and is comprised: web member 6, sliding gauge stand 7, movable gauge stand 8, register pin 9, measurement pin 10, cover plate 11, clock gauge 12, lever 13, spring I14, plug screw 15, lining 16, rotating shaft 17 and spring II24, described sliding gauge stand 7 is fixed on base plate 4 side by web member 6, movable gauge stand 8 is connected on sliding gauge stand 7, described cover plate 11 is positioned on the upside of movable gauge stand 8, it is inner that clock gauge 12 is positioned at movable gauge stand 8 by web member 6, web member 6 is specially screw, play position-limiting action, clock gauge 12 is connected with lever 13 one end by lining 16, the upper end of described lever 13 is connected with I14, the other end of spring I14 is connected to movable gauge stand 8 inside by plug screw 15, the effect of spring I14 makes measuring head engagement lever, rotating shaft 17 and lever 13 are rotationally connected, the other end of lever 13 is connected with measurement pin 10, two register pins 9 are fixed on movable gauge stand 8 by lining 16, spacing between two register pins 9 is (0.5mm-2mm) ± 0.02mm, described spring II24 is at lining 16 and measure between pin 10, the effect of spring II24 makes measurement pin contacts part.Described fixation measuring structure 3 comprises: web member 6, sliding gauge stand 7, fixing gauge stand 18, register pin 9, measurement pin 10, cover plate 11, clock gauge 12, lever 13, spring I14, plug screw 15, lining 16, rotating shaft 17 and spring II24, described sliding gauge stand 7 is fixed on base plate 4 side by web member 6, fixing gauge stand 18 is connected on sliding gauge stand 7, and described cover plate 11 is positioned on the upside of fixing gauge stand 18, and it is inner that clock gauge 12 is positioned at fixing gauge stand 18 by web member 6, web member 6 is specially screw, plays the role of fastening, clock gauge 12 is connected with lever 13 one end by lining 16, the upper end of described lever 13 is connected with spring I14, the effect of spring I14 makes measuring head engagement lever, the other end of spring I14 is connected to fixing gauge stand 18 inside by plug screw 15, plug screw 15 is for regulating spring power size, rotating shaft 17 and lever 13 are rotationally connected, the other end of lever 13 is connected with measurement pin 10, two register pins 9 are fixed on fixing gauge stand 18 by lining 16, spacing between two register pins 9 is (0.5mm-2mm) ± 0.02mm, described spring II24 is at lining 16 and measure between pin 10, the effect of spring II24 makes measurement pin contacts part.
The both sides, lower end of described base plate 4 connect a leg 5 respectively.
Because tenon bottom surface is smaller, adopt location, baseplane, during measurement, can error be caused, so adopt two degree faces of blade bottom surface to position, replace V-block with two length bars 19, position; Two register pins are had, the rotation of limit blade in the side fixation measuring structure 3 of tenon;
The register pin of described fixation measuring structure 3, measure pin all with the one-sided plane orthogonal of tenon; Because the degree face of tenon is smaller, prevent measuring tool and blade from interfering, the distance between register pin 9 and measurement pin 10 is very little, and reading is at below 0.003mm, and the precision of clock gauge is 0.002mm simultaneously, and therefore the application condition of reading is large, the result that impact is measured; Adopt lever principle, amplified in proportion by the reading of measure portion, the reading of clock gauge is more accurate;
The described movable gauge stand 8 measuring structure 2 that slides can move on sliding gauge stand 7, the sliding plane of gauge stand 7 and the side plane orthogonal of tenon, use standard component his-and-hers watches, then measure pin 10 and blade contact by two, thus carry out reading, measuring principle is the same with stiff end;
Angular deviation=arctan Δ H/ δ L; Wherein, Δ H is the difference of reading of two each clock gauges, and L is register pin and measures the distance between selling, and δ is the ratio of amplifying;
The instrument that compressor blade tenon angle described in the utility model detects solves the problem that tenon angular deviation is difficult to measure, and conveniently calculated the deviation size of blade tenon by final result, practical operation is convenient, fast, and cost is low.
Accompanying drawing explanation
Fig. 1 is the tool construction schematic diagram that compressor blade tenon angle detects;
Fig. 2 be in Fig. 1 N to cut-open view;
Fig. 3 is I place enlarged drawing in Fig. 1.
Embodiment
Embodiment 1
The instrument that described compressor blade tenon angle detects is constructed as follows: location structure 1, slip measure structure 2, fixation measuring structure 3 and base plate 4, described location structure 1 is measured between structure 2 and fixation measuring structure 3 in slip, and location structure 1 comprises: length bar 19, link stopper 20, bearing 21, web member 6, described bearing 21 is fixed in the middle part of base plate 4, and link stopper 20 is fixed on bearing 21 by web member 6, and two length bars 19 are fixed on bearing 21 respectively by link stopper 20, described slip is measured structure 2 and is comprised: web member 6, sliding gauge stand 7, movable gauge stand 8, register pin 9, measurement pin 10, cover plate 11, clock gauge 12, lever 13, spring I14, plug screw 15, lining 16, rotating shaft 17 and spring II24, described sliding gauge stand 7 is fixed on base plate 4 side by web member 6, movable gauge stand 8 is connected on sliding gauge stand 7, described cover plate 11 is positioned on the upside of movable gauge stand 8, it is inner that clock gauge 12 is positioned at movable gauge stand 8 by web member 6, web member 6 is specially screw, play position-limiting action, clock gauge 12 is connected with lever 13 one end by lining 16, the upper end of described lever 13 is connected with I14, the other end of spring I14 is connected to movable gauge stand 8 inside by plug screw 15, the effect of spring I14 makes measuring head engagement lever, rotating shaft 17 and lever 13 are rotationally connected, the other end of lever 13 is connected with measurement pin 10, two register pins 9 are fixed on movable gauge stand 8 by lining 16, spacing between two register pins 9 is (0.5mm-2mm) ± 0.02mm, described spring II24 is at lining 16 and measure between pin 10, the effect of spring II24 makes measurement pin contacts part.Described fixation measuring structure 3 comprises: web member 6, sliding gauge stand 7, fixing gauge stand 18, register pin 9, measurement pin 10, cover plate 11, clock gauge 12, lever 13, spring I14, plug screw 15, lining 16, rotating shaft 17 and spring II24, described sliding gauge stand 7 is fixed on base plate 4 side by web member 6, fixing gauge stand 18 is connected on sliding gauge stand 7, and described cover plate 11 is positioned on the upside of fixing gauge stand 18, and it is inner that clock gauge 12 is positioned at fixing gauge stand 18 by web member 6, web member 6 is specially screw, plays the role of fastening, clock gauge 12 is connected with lever 13 one end by lining 16, the upper end of described lever 13 is connected with spring I14, the effect of spring I14 makes measuring head engagement lever, the other end of spring I14 is connected to fixing gauge stand 18 inside by plug screw 15, plug screw 15 is for regulating spring power size, rotating shaft 17 and lever 13 are rotationally connected, the other end of lever 13 is connected with measurement pin 10, two register pins 9 are fixed on fixing gauge stand 18 by lining 16, spacing between two register pins 9 is (0.5mm-2mm) ± 0.02mm, described spring II24 is at lining 16 and measure between pin 10, the effect of spring II24 makes measurement pin contacts part.
The both sides, lower end of described base plate 4 connect a leg 5 respectively.
Because tenon bottom surface is smaller, adopt location, baseplane, during measurement, can error be caused, so adopt two degree faces of blade bottom surface to position, replace V-block with two length bars 19, position; Two register pins are had, the rotation of limit blade in the side fixation measuring structure 3 of tenon;
The register pin of described fixation measuring structure 3, measure pin all with the one-sided plane orthogonal of tenon; Because the degree face of tenon is smaller, prevent measuring tool and blade from interfering, the distance between register pin 9 and measurement pin 10 is very little, and reading is at below 0.003mm, and the precision of clock gauge is 0.002mm simultaneously, and therefore the application condition of reading is large, the result that impact is measured; Adopt lever principle, amplified in proportion by the reading of measure portion, the reading of clock gauge is more accurate;
The described movable gauge stand 8 measuring structure 2 that slides can move on sliding gauge stand 7, the sliding plane of gauge stand 7 and the side plane orthogonal of tenon, use standard component his-and-hers watches, then measure pin 10 and blade contact by two, thus carry out reading, measuring principle is the same with stiff end;
Angular deviation=arctan Δ H/ δ L; Wherein, Δ H is the difference of reading of two each clock gauges, and L is register pin and measures the distance between selling, and δ is the ratio of amplifying;
The instrument that compressor blade tenon angle described in the present embodiment detects solves the problem that tenon angular deviation is difficult to measure, and conveniently calculated the deviation size of blade tenon by final result, practical operation is convenient, fast, and cost is low.
Embodiment 2
The present embodiment is substantially the same manner as Example 1, and difference is:
The angle of described blade is 60 ° ± 6'; Stood upside down by blade, tenon, ensures there is certain height between the tenon of blade and base plate down, interferes with the measure portion of two on anti-skidding gauge stand; Adopt two diameters to be that the length bar of 3mm holds blade, the degree of freedom of limit blade in the vertical direction in the bottom surface of tenon, also limit simultaneously blade around vertical direction axle rotate from expenditure; Fixation measuring structure 3 has two register pins, and specifically see accompanying drawing 2, the lateral vertical of closing on of two register pins and blade tenon is 30 ° with the angle of horizontal direction, limits 3 degree of freedom; Due to 6 degree of freedom of location structure complete limit blade, still can carry out movement at the direction blade of vertical paper, moving in the direction in which does not affect the result measured.Slip measure portion due to the tenon of blade less, the distance measured between pin and register pin is only 1.5mm, by standard component clamping on this measuring tool, the gauge stand of both sides carries out his-and-hers watches simultaneously, zeroing, if when designing according to 1:1, clock gauge full-scale reading is tan (6') x1.5mm=0.0026mm, the precision of clock gauge is 0.002mm, the precision of clock gauge directly affects reading, therefore, the ratio of suitable amplification lever, measuring the distance of selling to the pivot pin of lever is L, distance between pivot pin to clock gauge is 5L, thus reading is also exaggerated 5 times, reading easily, also reduce with time error thereupon.The clock gauge reading of stiff end is a, and the clock gauge reading of movable end is b, and magnification ratio is 5 times, and the distance measured between pin and register pin is 1.5mm.
Angular deviation is arctan (Δ H/ δ L)=arctan (∣ a-b ∣/5x1.5).
Claims (2)
1. an instrument for compressor blade tenon angle detection, is characterized in that: the instrument that described compressor blade tenon angle detects is constructed as follows: location structure (1), slip measure structure (2), fixation measuring structure (3) and base plate (4), described location structure (1) is positioned to slide to be measured between structure (2) and fixation measuring structure (3), and location structure (1) comprising: length bar (19), link stopper (20), bearing (21), web member (6), described bearing (21) is fixed on base plate (4) middle part, link stopper (20) is fixed on bearing (21) by web member (6), and two length bars (19) are fixed on bearing (21) respectively by link stopper (20), described slip is measured structure (2) and being comprised: web member (6), sliding gauge stand (7), movable gauge stand (8), register pin (9), measurement pin (10), cover plate (11), clock gauge (12), lever (13), spring I (14), plug screw (15), lining (16), rotating shaft (17) and spring II (24), described sliding gauge stand (7) is fixed on base plate (4) side by web member (6), movable gauge stand (8) is connected on sliding gauge stand (7), described cover plate (11) is positioned at movable gauge stand (8) upside, it is inner that clock gauge (12) is positioned at movable gauge stand (8) by web member (6), clock gauge (12) is connected with lever (13) one end by lining (16), the upper end of described lever (13) is connected with I (14), the other end of spring I (14) is connected to movable gauge stand (8) inside by plug screw (15), rotating shaft (17) and lever (13) are rotationally connected, the other end of lever (13) is sold (10) with measurement and is connected, two register pins (9) are fixed on movable gauge stand (8) by lining (16), spacing between two register pins (9) is (0.5mm-2mm) ± 0.02mm, described spring II (24) is positioned at lining (16) and measures sells between (10), described fixation measuring structure (3) comprising: web member (6), sliding gauge stand (7), fixing gauge stand (18), register pin (9), measurement pin (10), cover plate (11), clock gauge (12), lever (13), spring I (14), plug screw (15), lining (16), rotating shaft (17) and spring II (24), described sliding gauge stand (7) is fixed on base plate (4) side by web member (6), fixing gauge stand (18) is connected on sliding gauge stand (7), described cover plate (11) is positioned at fixing gauge stand (18) upside, it is inner that clock gauge (12) is positioned at fixing gauge stand (18) by web member (6), clock gauge (12) is connected with lever (13) one end by lining (16), the upper end of described lever (13) is connected with spring I (14), the other end of spring I (14) is connected to fixing gauge stand (18) inside by plug screw (15), rotating shaft (17) and lever (13) are rotationally connected, the other end of lever (13) is sold (10) with measurement and is connected, two register pins (9) are fixed on fixing gauge stand (18) by lining (16), spacing between two register pins (9) is (0.5mm-2mm) ± 0.02mm, described spring II (24) is positioned at lining (16) and measures and sells between (10).
2., according to the instrument that compressor blade tenon angle described in claim 1 detects, it is characterized in that: the both sides, lower end of described base plate (4) connect a leg (5) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420644227.5U CN204313767U (en) | 2014-10-30 | 2014-10-30 | The instrument that a kind of compressor blade tenon angle detects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420644227.5U CN204313767U (en) | 2014-10-30 | 2014-10-30 | The instrument that a kind of compressor blade tenon angle detects |
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| Publication Number | Publication Date |
|---|---|
| CN204313767U true CN204313767U (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420644227.5U Expired - Fee Related CN204313767U (en) | 2014-10-30 | 2014-10-30 | The instrument that a kind of compressor blade tenon angle detects |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066848A (en) * | 2015-07-15 | 2015-11-18 | 西安航空动力股份有限公司 | Device and method for measuring pressure surface angle of dovetail-type blade tenon |
| CN110823074A (en) * | 2019-11-05 | 2020-02-21 | 中国航发沈阳黎明航空发动机有限责任公司 | Turbine disc tongue-and-groove symmetry detection device |
| CN111678405A (en) * | 2020-04-30 | 2020-09-18 | 中国航发南方工业有限公司 | Blade tenon size and angle measuring device |
| CN112033266A (en) * | 2020-09-11 | 2020-12-04 | 中国航发贵州黎阳航空动力有限公司 | Measuring tool and method for measuring angle of rectifying blade with positioning pin |
| CN114074271A (en) * | 2020-07-31 | 2022-02-22 | 上海电气电站设备有限公司 | Method for grinding gas turbine blade and correcting and adjusting tool |
-
2014
- 2014-10-30 CN CN201420644227.5U patent/CN204313767U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066848A (en) * | 2015-07-15 | 2015-11-18 | 西安航空动力股份有限公司 | Device and method for measuring pressure surface angle of dovetail-type blade tenon |
| CN105066848B (en) * | 2015-07-15 | 2017-12-01 | 西安航空动力股份有限公司 | Dove-tail form blade tenon pressure face angle measurement unit and method |
| CN110823074A (en) * | 2019-11-05 | 2020-02-21 | 中国航发沈阳黎明航空发动机有限责任公司 | Turbine disc tongue-and-groove symmetry detection device |
| CN110823074B (en) * | 2019-11-05 | 2021-03-09 | 中国航发沈阳黎明航空发动机有限责任公司 | Turbine disc tongue-and-groove symmetry detection device |
| CN111678405A (en) * | 2020-04-30 | 2020-09-18 | 中国航发南方工业有限公司 | Blade tenon size and angle measuring device |
| CN114074271A (en) * | 2020-07-31 | 2022-02-22 | 上海电气电站设备有限公司 | Method for grinding gas turbine blade and correcting and adjusting tool |
| CN114074271B (en) * | 2020-07-31 | 2024-06-04 | 上海电气电站设备有限公司 | Method for grinding gas turbine blade and calibrating tool |
| CN112033266A (en) * | 2020-09-11 | 2020-12-04 | 中国航发贵州黎阳航空动力有限公司 | Measuring tool and method for measuring angle of rectifying blade with positioning pin |
| CN112033266B (en) * | 2020-09-11 | 2021-11-02 | 中国航发贵州黎阳航空动力有限公司 | Measuring tool and method for measuring angle of rectifying blade with positioning pin |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee after: Chinese Hangfa Shenyang Liming Aero engine limited liability company Address before: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee before: Liming Aeroplane Engine (Group) Co., Ltd., Shenyang City |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 Termination date: 20201030 |
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| CF01 | Termination of patent right due to non-payment of annual fee |