CN105352434A - Inductance measuring apparatus for exhaust area of director guider blade - Google Patents
Inductance measuring apparatus for exhaust area of director guider blade Download PDFInfo
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- CN105352434A CN105352434A CN201510849566.6A CN201510849566A CN105352434A CN 105352434 A CN105352434 A CN 105352434A CN 201510849566 A CN201510849566 A CN 201510849566A CN 105352434 A CN105352434 A CN 105352434A
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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
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/32—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring areas
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Abstract
An inductance measuring apparatus for exhaust areas of director guider blades belongs to the technical field of aeroengines. The apparatus comprises a support. The upper portion of the support is provided with a base plate. Cross section measuring levers are disposed under the base plate. Every two cross section measuring levers correspond to one cross section. The middle portions of the cross section measuring levers are disposed on the support through a mandrel. The bottom end of each cross section measuring lever is provided with a contact. The base plate is equipped with through holes. The lower ends of limiting screws penetrate the through holes and then are in threaded connection with the cross section measuring levers. The base plate is also equipped with installing holes, which correspond to the upper ends of the cross section measuring levers. Locking screws are disposed on the base plate and positioned on the side of the installing holes. A positioning plate is disposed on one side of the support. The lower end of the positioning plate is equipped with a radial positioning pin. A radial measuring lever is disposed on the other side of the support. The middle portion of the radial measuring lever is connected to the support through a pin shaft. The limiting screws are in threaded connection with the radial measuring lever. The lower end of the radial measuring lever is provided with a measuring pin.
Description
Technical field
The invention belongs to aero engine technology field, particularly relate to a kind of stator blade leaving area inductance measurement device, be mainly used in the measurement of aeromotor and gas turbine stator blade leaving area.
Background technology
At present, stator blade is smart casting blade, is generally three ~ six blades and connects, and the passage between the adjacent stator blade of two panels is complicated curved surface.The measurement of stator blade leaving area generally adopts the measuring method-upper base of approximate trapezoid, goes to the bottom and height, tries to achieve trapezoidal area by the survey calculation of these parameters.Traditional leaving area measurement has a variety of mode, one is that three-wave-length is measured, and its feature is: the design and manufaction of measuring tool and standard component is all fairly simple, but more loaded down with trivial details when using, the inclined value that dial gauge is read is converted into actual value again through calculating, and just can obtain concrete area value; One is also had to be that a set of measuring tool standard component of upper lower installation board measurement point realizes measuring, the a set of measuring tool standard component of every two Cross section Design in each cross section of blade, accumulative measuring tool needs more than two covers, due to the Design and manufacture of Existential Space angle faces, therefore design very loaded down with trivial details, manufacture very complicated, owing to being the measurement point that a set of measuring tool can only measure two cross sections during use, Measuring Time and production cycle are all very long, are unfavorable for producing and processing.
Summary of the invention
For prior art Problems existing, the invention provides a kind of structure simple, easy to operate, not only measure accurately, and greatly can shorten the stator blade leaving area inductance measurement device of Measuring Time.
To achieve these goals, the present invention adopts following technical scheme, and a kind of stator blade leaving area inductance measurement device, comprises support, the top of support is provided with base plate, is provided with several section gauge levers in the below of base plate; Each cross section correspondence is provided with two section gauge levers, and the middle part of described section gauge lever is arranged on support by mandrel, and section gauge lever can rotate around mandrel; The lower end of section gauge lever is provided with contact, base plate is provided with through hole, the lower end of stop screw is through after described through hole, and the upper end of section gauge lever is threaded with the position between mandrel; Stop screw between stop screw head and base plate is outside equipped with spring, and base plate is provided with mounting hole, and described mounting hole is corresponding with the upper end of section gauge lever, and the base plate of mounting hole side is provided with lock-screw; The side of support is provided with location-plate, the lower end of location-plate is provided with radial location pin, described radial location pin is corresponding with the radial measurement point of blade upper mounting plate; The opposite side of support is provided with radial measurement lever, the middle part of radial measurement lever is connected with support by bearing pin, radial measurement lever can rotate around bearing pin, the lower end of stop screw is through after the through hole of base plate, with the upper end of radial measurement lever is threaded with the position between bearing pin, base plate is provided with mounting hole, and described mounting hole is corresponding with the upper end of radial measurement lever, and the base plate of mounting hole side is provided with lock-screw; Be provided with in the lower end of radial measurement lever and measure pin, described measurement pin is corresponding with the radial measurement point of blade lower installation board.
In described mounting hole, be provided with broached bushing, the inner of lock-screw contacts with broached bushing.
Mandrel between described section gauge lever is set with bushing washer.
Beneficial effect of the present invention:
Stator blade leaving area inductance measurement device structure of the present invention is simple, easy to operate, not only measure accurately, and greatly can shorten Measuring Time, thus shortening the production cycle of part, assembling rear stage 84 stator blades shorten to present 20 minutes by 10 hours original Measuring Time; And workman just can complete the measurement of all measurement points of a stage diverter blade leaving area, estimate that the production cycle can shorten more than 80%.
All there is the measurement problem of leaving area in the stator blade of each machine engine, if the measurement of all stator blade leaving areas is all adopted measurement mechanism of the present invention, so in the fabrication process the manufacture that three covers ~ tetra-overlap measuring tools and standard component is reduced to the manufacture of a set of measuring tool and standard component, a set of measuring tool just can detect all measurement point sizes of a stage diverter blade, significantly reduce manufacture labour intensity, expectation can save design cost more than 50%, alleviates measuring tool manufacture difficulty more than 30%.
Accompanying drawing explanation
Fig. 1 is the front view of an embodiment of stator blade leaving area inductance measurement device of the present invention;
Fig. 2 is the left view of an embodiment of stator blade leaving area inductance measurement device of the present invention;
Fig. 3 is the right view of an embodiment of stator blade leaving area inductance measurement device of the present invention;
Fig. 4 is the A direction view of Fig. 1;
In figure: 1-base plate, 2-support, 3-spring, 4-stop screw, 5-section gauge lever, 6-mandrel, 7-contact, 8-bearing pin, 9-radial measurement lever, 10-measure pin, 11-radial location pin, 12-location-plate, 13-mounting hole, 14-lock-screw, 15-broached bushing, 16-bushing washer.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in Figure 1 to 4, a kind of stator blade leaving area inductance measurement device, comprises support 2, the top of support 2 is provided with base plate 1, is provided with several section gauge levers 5 in the below of base plate 1; Each cross section correspondence is provided with two section gauge levers 5, in the present embodiment, have four cross sections, therefore correspondence is provided with eight section gauge levers 5.The middle part of described section gauge lever 5 is arranged on support 2 by mandrel 6, and section gauge lever 5 can rotate around mandrel 6; The lower end of section gauge lever 5 is provided with contact 7, base plate 1 is provided with through hole, the lower end of stop screw 4 is through after described through hole, and the position between the upper end of section gauge lever 5 with mandrel 6 is threaded; Stop screw 4 between stop screw 4 head and base plate 1 is outside equipped with spring 3.Base plate 1 is provided with mounting hole 13, and described mounting hole 13 is corresponding with the upper end of section gauge lever 5, and the base plate 1 of mounting hole 13 side is provided with lock-screw 14; The side of support 2 is provided with location-plate 12, the lower end of location-plate 12 is provided with radial location pin 11, described radial location pin 11 is corresponding with the radial measurement point of blade upper mounting plate; The opposite side of support 2 is provided with radial measurement lever 9, and the middle part of radial measurement lever 9 is connected with support 2 by bearing pin 8, and radial measurement lever 9 can rotate around bearing pin 8; The lower end of stop screw 4 is through after the through hole of base plate 1, and the position between the upper end of radial measurement lever 9 with bearing pin 8 is threaded; Base plate 1 is provided with mounting hole 13, and described mounting hole 13 is corresponding with the upper end of radial measurement lever 9, and the base plate 1 of mounting hole 13 side is provided with lock-screw 14; Be provided with in the lower end of radial measurement lever 9 and measure pin 10, described measurement pin 10 is corresponding with the radial measurement point of blade lower installation board.
In order to prevent weighing dial gauge wounded, in described mounting hole 13, be provided with broached bushing 15, the inner of lock-screw 14 contacts with broached bushing 15.
Mandrel 6 between described section gauge lever 5 is set with bushing washer 16, and the distance between section gauge lever 5 is by the THICKNESS CONTROL of bushing washer 16.
Below in conjunction with accompanying drawing, a use procedure of the present invention is described:
As shown in Figure 1 to 4, during measurement, measurement mechanism of the present invention is positioned in the passage between the adjacent stator blade of two panels, regulates stop screw 4, the contact, side of section gauge lever 5 is contacted with blade blade back, and opposite side contact contacts with blade and blade basin.Radial location pin 11 of the present invention is contacted with the radial measurement point of blade upper mounting plate, regulates stop screw 4, measurement pin 10 is contacted with the radial measurement point of blade lower installation board.
The present invention has dual metering system, described dual metering system refers to: when blade uses scene not possess the condition of inductance measurement, mechanical measurement can be adopted, dial gauge is inserted in mounting hole 13 of the present invention, and be locked by lock-screw 14, dial gauge just can be utilized directly to measure, read the variable quantity of dial gauge, calculated difference.If blade uses the on-the-spot condition possessing inductance measurement, then in mounting hole 13, insert inductance contact, described inductance contact is connected with industrial computer, just can carry out inductance measurement, and two kinds of metering systems are all very simple.
It is will design according to blade leaving area file data that the stator blade leaving area of each machine is measured, namely the leaving area of every platform turbine nozzle vane must in technical conditions allowed band, when leaving area is defective, adjust.The method of adjustment is all carry out according to the draw bail of stator blade and technical requirement on design usually, and a kind of method changes established angle, and another kind of method is the different grouping according to exhaust limit chord length, changes the group of blade.Through a large amount of experiments of measuring and research, the present invention can meet: in the adjustment process of blade, leaving area measuring tool structure and size constancy, only changes standard component size, and the leaving area that just can realize stator blade is measured.The present invention mainly utilizes lever principle conduct data, utilizes dial gauge and inductance contact to export data, utilizes computer software to calculate the size of leaving area.
Claims (3)
1. a stator blade leaving area inductance measurement device, is characterized in that comprising support, and the top of support is provided with base plate, is provided with several section gauge levers in the below of base plate; Each cross section correspondence is provided with two section gauge levers, and the middle part of described section gauge lever is arranged on support by mandrel, and section gauge lever can rotate around mandrel; The lower end of section gauge lever is provided with contact, base plate is provided with through hole, the lower end of stop screw is through after described through hole, and the upper end of section gauge lever is threaded with the position between mandrel; Stop screw between stop screw head and base plate is outside equipped with spring, and base plate is provided with mounting hole, and described mounting hole is corresponding with the upper end of section gauge lever, and the base plate of mounting hole side is provided with lock-screw; The side of support is provided with location-plate, the lower end of location-plate is provided with radial location pin, described radial location pin is corresponding with the radial measurement point of blade upper mounting plate; The opposite side of support is provided with radial measurement lever, the middle part of radial measurement lever is connected with support by bearing pin, radial measurement lever can rotate around bearing pin, the lower end of stop screw is through after the through hole of base plate, with the upper end of radial measurement lever is threaded with the position between bearing pin, base plate is provided with mounting hole, and described mounting hole is corresponding with the upper end of radial measurement lever, and the base plate of mounting hole side is provided with lock-screw; Be provided with in the lower end of radial measurement lever and measure pin, described measurement pin is corresponding with the radial measurement point of blade lower installation board.
2. stator blade leaving area inductance measurement device according to claim 1, it is characterized in that being provided with broached bushing in described mounting hole, the inner of lock-screw contacts with broached bushing.
3. stator blade leaving area inductance measurement device according to claim 1, is characterized in that the mandrel between described section gauge lever is set with bushing washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510849566.6A CN105352434A (en) | 2015-11-26 | 2015-11-26 | Inductance measuring apparatus for exhaust area of director guider blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510849566.6A CN105352434A (en) | 2015-11-26 | 2015-11-26 | Inductance measuring apparatus for exhaust area of director guider blade |
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| Publication Number | Publication Date |
|---|---|
| CN105352434A true CN105352434A (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510849566.6A Pending CN105352434A (en) | 2015-11-26 | 2015-11-26 | Inductance measuring apparatus for exhaust area of director guider blade |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247883A (en) * | 2016-08-23 | 2016-12-21 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of nozzle ring leaving area measurement apparatus and measuring method thereof |
| CN108061508A (en) * | 2017-11-30 | 2018-05-22 | 中国航发沈阳黎明航空发动机有限责任公司 | The simulator and method that auxiliary stator blade leaving area measuring tool measures |
| CN111521145A (en) * | 2020-04-30 | 2020-08-11 | 中国航发成都发动机有限公司 | Turbine guide blade exhaust area measuring device and measuring method |
| CN111895883A (en) * | 2020-08-03 | 2020-11-06 | 无锡航亚科技股份有限公司 | Device and method for detecting blade tip length |
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| US4322887A (en) * | 1980-07-24 | 1982-04-06 | Compair, Inc. | Method and apparatus for open flow area classification |
| CN101650154A (en) * | 2009-09-11 | 2010-02-17 | 叶永 | Device for measuring throat area error of nozzle guide vane |
| CN102128582A (en) * | 2010-12-28 | 2011-07-20 | 成都发动机（集团）有限公司 | Measuring device for exhaust area of engine turbine guider throat |
| CN103438793A (en) * | 2013-06-09 | 2013-12-11 | 西安航空动力股份有限公司 | Device for measuring throat area of guider of aero-engine |
| CN204329879U (en) * | 2014-10-28 | 2015-05-13 | 沈阳黎明航空发动机(集团)有限责任公司 | The dual measurement mechanism of a kind of stator blade leaving area |
| CN104990531A (en) * | 2015-07-06 | 2015-10-21 | 中国航空工业集团公司沈阳发动机设计研究所 | Method for measuring exhaust area of turbine nozzle |
-
2015
- 2015-11-26 CN CN201510849566.6A patent/CN105352434A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4322887A (en) * | 1980-07-24 | 1982-04-06 | Compair, Inc. | Method and apparatus for open flow area classification |
| CN101650154A (en) * | 2009-09-11 | 2010-02-17 | 叶永 | Device for measuring throat area error of nozzle guide vane |
| CN102128582A (en) * | 2010-12-28 | 2011-07-20 | 成都发动机（集团）有限公司 | Measuring device for exhaust area of engine turbine guider throat |
| CN103438793A (en) * | 2013-06-09 | 2013-12-11 | 西安航空动力股份有限公司 | Device for measuring throat area of guider of aero-engine |
| CN204329879U (en) * | 2014-10-28 | 2015-05-13 | 沈阳黎明航空发动机(集团)有限责任公司 | The dual measurement mechanism of a kind of stator blade leaving area |
| CN104990531A (en) * | 2015-07-06 | 2015-10-21 | 中国航空工业集团公司沈阳发动机设计研究所 | Method for measuring exhaust area of turbine nozzle |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247883A (en) * | 2016-08-23 | 2016-12-21 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of nozzle ring leaving area measurement apparatus and measuring method thereof |
| CN108061508A (en) * | 2017-11-30 | 2018-05-22 | 中国航发沈阳黎明航空发动机有限责任公司 | The simulator and method that auxiliary stator blade leaving area measuring tool measures |
| CN111521145A (en) * | 2020-04-30 | 2020-08-11 | 中国航发成都发动机有限公司 | Turbine guide blade exhaust area measuring device and measuring method |
| CN111895883A (en) * | 2020-08-03 | 2020-11-06 | 无锡航亚科技股份有限公司 | Device and method for detecting blade tip length |
| CN111895883B (en) * | 2020-08-03 | 2021-11-19 | 无锡航亚科技股份有限公司 | Device and method for detecting blade tip length |
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Application publication date: 20160224 |