CN102562663B - Air compressor case blade installation angle detection method and tool - Google Patents
Air compressor case blade installation angle detection method and tool Download PDFInfo
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- CN102562663B CN102562663B CN 201010613412 CN201010613412A CN102562663B CN 102562663 B CN102562663 B CN 102562663B CN 201010613412 CN201010613412 CN 201010613412 CN 201010613412 A CN201010613412 A CN 201010613412A CN 102562663 B CN102562663 B CN 102562663B
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Abstract
The invention relates to an air compressor case blade installation angle detection method and tool. The detection method comprises the following steps of: (1) placing the special tool on the upper end face of the detection case as axial positioning, and attaching the end faces of a positioning pin I and a positioning pin II to the end face of the case to complete radial positioning; (2) determining the radial distance of a blade via a ruler I, determining the axial distance via a sheet bar II, adjusting a measuring rod to be tightly attached to the air intake and exhaust edge of the blade, and measuring the included angle of the blade section relative to the central axis of the case; and (3) lifting the measuring rod and rotating a clamp seat to detect the next blade. The invention especially provides an air compressor case blade installation angle detection method and tool, which solves the bottleneck problem about the measurement of the blade installation angle in troubleshooting work, fills the vacancy of the measurement and ensures the real-time accurate storage of the installation angle during the blade installation process. Moreover, the detection method has high measurementaccuracy, high efficiency and convenient for use.
Description
Technical field
The present invention relates to the measurement design of blades installation angle, a kind of air compressor case blade installation angle detection method and instrument are provided especially.
Background technique
In the troubleshooting process, find that the blades installation angle in the casing has irregular variation, the setting angle of blade in casing is very great on the engine performance impact, determines that the setting angle variation of blade is very important; Blade in the past when mounted, the setting angle of each blade do not detected one by one, just behind whole blades installations at the setting angle of a certain grade blade of casing external detection, this detection mode efficient is low, validity is low, uses also inconvenience very.
Summary of the invention
The present invention provides a kind of air compressor case blade installation angle detection method and instrument especially, solved the bottleneck problem of measuring about the blades installation angle in the troubleshooting work, remedied the vacancy of this measurement, guaranteed the in real time accurately storage of setting angle in the blades installation process, and the measuring accuracy of this detecting method is high, efficient is high, easy to use.
Air compressor case blade installation angle detection method of the present invention and instrument, wherein, blade places in the casing, blade fixedly on the casing, the surface of blade is parallel to the casing central axis and is installed on the casing, n layer blade can be installed in the casing, wherein last layer is 0 grade in the casing, down is followed successively by 1 grade, 2 grades, 3 grades etc.
Air compressor case blade installation angle detection method of the present invention and instrument, wherein, the predefined value of described radial distance be according to the upper-end surface cylindrical of casing and central shaft to the distance value of establishing, the casing of different size has different predefined values.
Air compressor case blade installation angle detection method of the present invention and instrument, wherein, an end of blade is installed on the casing, the other end is installed in the casing and encircles on (29), and the surface of blade is parallel to the cener line of casing.
The step of air compressor case blade installation angle detection method of the present invention is:
(1), special tool is placed on will detects the casing upper-end surface as axially locating, end face and the end face inwall (30) of casing of radial location by locating stud I (1), locating stud II (2) fitted and finished; Locating stud I (1) is two fixing pins, locating stud II (2) is two rotating pins, such structure can guarantee that instrument rotates centering when casing is located, guarantee the measuring tool radial location by the end face of locating stud I (1), locating stud II (2) and the end face applying of casing during the location, in order to guarantee locating stud I (1), locating stud II (2) applying casing end face, instrument drives locating stud II (2) rotation centering with screw mandrel (8) by jig (9), housing (10), is provided with two nuts on the housing (10) and finely tunes and lock; Make table positioning means (23) and be connected to the upper and locking of bent plate (18), bent plate (18) is connected with holder (6), holder (6) is connected with bearing (14), rotarily drive the table (230) of beating on the table positioning means (23) by bearing (14) and beat the cylindrical of casing and beat, determine the measuring center of measuring tool with this.
Described special tool mainly is comprised of locating stud I (1), locating stud II (2), chi plate I (3), measuring rod (5), support (11), bearing (12), plate II (17), wherein, be provided with locating stud I (1) on the bearing (12), be provided with locating stud II (2) on the support (11), the axial step end face of locating stud I (1) and support (11) are positioned at same plane, place the casing upper-end surface, plate II (17) is connected with measuring rod (5), and chi plate I (3) is fixedly connected on above the chi plate II (4);
(2), the radial distance of blade is determined, is axially determined by plate plate II (17) by chi plate I (3); The elder generation radial regulation chi plate I (3), make the extrusion of chi plate I (3) reach predefined value; Again axial adjustment plate II (17), make plate II (17) contact blade, then locking; Regulate at last measuring rod (5) and be close on the blade intake and exhaust limit, measure blade profile with respect to the angle of casing central axis; Slip chi plate II (4) thus driving chi plate I (1) slides, when the mobile distance of chi plate I (3) reaches predefined value, lock; Then rotating nut a(24), plate II (17 move axially, rotating nut a(24 during the contact blade) locking plate II (17) no longer moved axially, lock plate II (17) with limiting stopper (28) and make it be close to blade to fix; Last rotating nut (15) makes measuring rod (5) rotate along axle (27), be close on the blade intake and exhaust limit, measuring rod (5) is connected with pointer (19), drive pointer (19) when measuring rod (5) rotates and rotate, pointer (19) is the angle value of blade profile and casing central axis in the scale value of dial (7) indication;
(3) upwards carry measuring rod (15) and rotate simultaneously holder (6), detect the next stage blade.
Air compressor case blade installation angle measurer of the present invention, wherein, described special tool is mainly by locating stud I (1), locating stud II (2), chi plate I (3), chi plate II (4), measuring rod (5), holder (6), dial (7), screw mandrel (8), jig (9), housing (10), support (11), bearing (12), guide rod (13), bearing (14), plate I (16), plate II (17), bent plate (18), pointer (19) forms, wherein, be provided with locating stud I (1) on the bearing (12), be provided with locating stud II (2) on the support (11), connect with guide rod (13) between bearing (12) and the jig (9), jig (9) is connected 10 by screw mandrel (8) with housing) connect, be provided with annulus (25) on the housing (10), chi plate II (4) places on the annulus (25), the axial step end face of locating stud I (1) and support (11) are positioned at same plane, place the casing upper-end surface, be provided with bearing (14) on the housing (10), be provided with holder (6) on the bearing (14), be provided with plate II (17) on the holder (6), bent plate (18), plate II (17) places on the bent plate (18), plate II (17) one ends are connected with chi plate II (4), the other end is connected with measuring rod (5), lock with nut (15), chi plate II (4) is connected with plate II (17), and use nut a(24) locking, pointer (19) one ends are connected with measuring rod (5), the other end places dial (7) top to slide, dial (7) is fixedly connected on plate II (17), and chi plate I (3) is fixedly connected on above the chi plate II (4); Rotating nut during measurement (15) makes measuring rod (5) contact blade.
Air compressor case blade installation angle measurer of the present invention, wherein, described jig (9), housing are provided with tangential clamping device on (10).
Air compressor case blade installation angle measurer of the present invention wherein, is provided with adjustable reading ruler on the described chi plate I (3), can adjust to technological requirement radial measurement distance not at the same level.
Air compressor case blade installation angle measurer of the present invention wherein, arranges bearing (14) slewing gear and can guarantee instrument arbitrarily angle measurement and running clearance are little on the casing circumference on the housing (10).
Air compressor case blade installation angle measurer of the present invention, wherein, described chi plate II (4) clamps plate II (17), is rotating holder (6) slip by bent plate (18), measuring rod (5) can accurately be reached on the set radial dimension position of technological requirement measure blade angle.
Air compressor case blade installation angle measurer of the present invention, wherein, described pointer (19) places an end of dial (7) top to be provided with clip (22), can fixing and locking pointer (19), and pointer (19) is fixed on the dial (7) is convenient to read survey data.
Air compressor case blade installation angle measurer of the present invention wherein, is connected with on the described bent plate (18) and makes table positioning means (23), rotarily drives dozen table positioning means (23) by bearing (14) and beat the cylindrical of casing and beat.
Air compressor case blade installation angle measurer of the present invention, wherein, the described table mechanism (23) of beating is mainly by table (230), cramp frame (231), table folder (232), and table (230) is fixed on cramp frame (231) one ends with table folder (232), and locks with screw (233).
Air compressor case blade installation angle measurer of the present invention wherein, is provided with scale (26), places the both sides of chi plate I (3) on the described chi plate II (4).
Description of drawings
Fig. 1 is air compressor case blade installation angle detection method and instrument plan view;
Fig. 2 is air compressor case blade installation angle detection method and instrument left view;
Fig. 3 is air compressor case blade installation angle detection method and tool side view;
Fig. 4 is air compressor case blade installation angle detection method and instrument plan view;
Fig. 5 is the plan view of air compressor case blade installation angle detection method and tool side view;
Fig. 6 is the C-C view of air compressor case blade installation angle detection method and instrument plan view;
Fig. 7 is for playing table positioning means schematic representation;
Fig. 8 is air compressor case blade installation angle measurer location schematic representation.
Embodiment
The predefined value of the described radial distance of present embodiment is that 260mm, I grade blade are that 240mm, II grade blade are that 230mm, III grade blade are 226mm to 0 grade blade.
The progression of the described casing intra vane of present embodiment is 4 grades, and each grade blade has 100.
The step of the described air compressor case blade installation angle detection method of present embodiment is:
(1), special tool is placed on will detects the casing upper-end surface as axially locating, radial location is finished by the cylndrical surface end face of locating stud I (1), locating stud II (2) and the tangent applying of end face inwall (30) of casing; Locating stud I (1) is two fixing pins, locating stud II (2) is two rotating pins, such structure can guarantee that instrument rotates centering when casing is located, pass through locating stud I (1) during the location, the tangent assurance measuring tool of the inwall radial location of the cylndrical surface of locating stud II (2) and casing, in order to guarantee locating stud I (1), the cylndrical surface of locating stud II (2) and the tangent end face of applying casing inwall, instrument passes through jig (9) with screw mandrel (8), housing (10) drives locating stud II (2) rotation centering, is provided with two nuts on the housing (10) and finely tunes and lock; Make table positioning means (23) and be connected to the upper and locking of bent plate (18), bent plate (18) is connected with holder (6), holder (6) is connected with bearing (14), rotarily drive the table (230) of beating on the table positioning means (23) by bearing (14) and beat the cylindrical of casing and beat, determine the measuring center of measuring tool with this.
Described special tool mainly by locating stud I (1), locating stud II (2), chi plate I (3), measuring rod (5), support (11), bearing (12), plate II (17), form, wherein, be provided with locating stud I (1) on the bearing (12), be provided with locating stud II (2) on the support (11), locating stud I (1) axial step end face and support (11) are positioned at same plane, place the casing upper-end surface, plate II (17) is connected with measuring rod (5), and chi plate I (3) is fixedly connected on above the chi plate II (4);
(2), the radial distance of blade is determined, is axially determined by plate II (17) by chi plate I (3); The elder generation radial regulation chi plate I (3), make the extrusion of chi plate I (3) reach predefined value; Again axial adjustment plate plate II (17), make plate II (17) contact blade; Regulate at last measuring rod (5) and be close on the blade intake and exhaust limit, measure blade profile with respect to the angle of casing central axis; Slip chi plate II (4) thus driving chi plate I (1) slides, when the mobile distance of chi plate I (3) reaches predefined value, lock; Then rotating nut a(24), plate II (17) is moved radially, rotating nut a(24 during the contact blade) locking; Last rotating nut (15) makes measuring rod (5) be close on the blade intake and exhaust limit along axle (27) rotation, measuring rod (5) is connected with pointer (19), drive pointer (19) when measuring rod (5) rotates and rotate, the scale value that pointer (19) is indicated at dial (7) be blade on this cross section with the angle value of casing central axis;
(3) upwards carry measuring rod (15) and rotate simultaneously holder (6), detect the next stage blade.
The described air compressor case blade installation angle measurer of present embodiment, wherein, described special tool is mainly by locating stud I (1), locating stud II (2), chi plate I (3), chi plate II (4), measuring rod (5), holder (6), dial (7), screw mandrel (8), jig (9), housing (10), support (11), bearing (12), guide rod (13), bearing (14), plate I (16), plate II (17), bent plate (18), pointer (19) forms, wherein, be provided with locating stud I (1) on the bearing (12), be provided with locating stud II (2) on the support (11), connect with guide rod (13) between bearing (12) and the jig (9), jig (9) is connected 10 by screw mandrel (8) with housing) connect, be provided with annulus (25) on the housing (10), chi plate II (4) places on the annulus (25), locating stud I (1) axial step end face and support (11) are positioned at same plane, place the casing upper-end surface, be provided with bearing (14) on the housing (10), be provided with holder (6) on the bearing (14), be provided with plate II (17) on the holder (6), bent plate (18), plate II (17) place on the bent plate (18), plate II (17) one ends are connected with chi plate II (4), and use nut a(24) locking; The other end is connected with measuring rod (5), locks with nut (15), chi plate II (4) is connected, also uses nut a(24 with plate II (17)) locking, above pointer (19) one ends are connected with measuring rod (5), the other end places dial (7), dial (7) is fixedly connected on the plate II (17), and chi plate I (3) is fixedly connected on above the chi plate II (4).
The described air compressor case blade installation angle measurer of present embodiment, wherein, described jig (9), housing are provided with tangential clamping device on (10).
The described air compressor case blade installation angle measurer of present embodiment wherein, is provided with adjustable reading ruler on the described chi plate I (3), can adjust to technological requirement radial measurement distance not at the same level.
The described air compressor case blade installation angle measurer of present embodiment wherein, arranges bearing (14) slewing gear and can guarantee instrument arbitrarily angle measurement and running clearance are little on the casing circumference on the housing (10).
The described air compressor case blade installation angle measurer of present embodiment, wherein, described chi plate II (4) clamps plate II (17), is rotating holder (6) slip by bent plate (18), measuring rod can accurately be reached on the set radial dimension position of technological requirement measure blade angle.
The described air compressor case blade installation angle measurer of present embodiment, wherein, described pointer (19) places an end of dial (7) top to be provided with clip (22), can fixing and locking pointer (19), make pointer (19) be fixed on dial (7) top, be convenient to read survey data.
The described air compressor case blade installation angle measurer of present embodiment wherein, is connected with on the described bent plate (18) and makes table positioning means (23), rotarily drives dozen table positioning means (23) by bearing (14) and beat the cylindrical of casing and beat.
The described air compressor case blade installation angle measurer of present embodiment, wherein, the described table mechanism (23) of beating is mainly by table (230), cramp frame (231), table folder (232), and table (230) is fixed on cramp frame (231) one ends with table folder (232), and locks with screw (233).
The described air compressor case blade installation angle measurer of present embodiment wherein, is provided with scale (26), places the both sides of chi plate I (3) on the described chi plate II (4).
Claims (9)
1. air compressor case blade installation angle detection method, it is characterized in that: the step of described detecting method is:
(1), special tool is placed on will detects the casing upper-end surface as axially locating, end face and the end face inwall (30) of casing of radial location by locating stud I (1), locating stud II (2) fitted and finished;
Described special tool is mainly by locating stud I (1), locating stud II (2), chi plate I (3), measuring rod (5), support (11), bearing (12), plate II (17) forms, wherein, be provided with locating stud I (1) on the bearing (12), be provided with locating stud II (2) on the support (11), (11) sides of the axial step end face of locating stud I (1) and support are positioned at same plane, (11) sides of the axial step end face of locating stud I (1) and support place the casing upper-end surface, plate II (17) is connected with measuring rod (5), and chi plate I (3) is fixedly connected on above the chi plate II (4);
(2), the radial distance of blade is definite by chi plate I (3), axial distance is definite by plate II (17); The elder generation radial regulation chi plate I (3), make the extrusion of chi plate I (3) reach predefined value; Again axial adjustment plate II (17), make plate II (17) contact blade, then locking; Regulate at last measuring rod (5) it is close on the blade intake and exhaust limit, measure blade profile with respect to the angle of casing central axis;
(3) upwards carry measuring rod (15) and rotate simultaneously holder (6), detect the next stage blade.
2. one kind is utilized the described air compressor case blade installation angle detection method of claim 1 to carry out the instrument that angle detects, it is characterized in that: described special tool is mainly by locating stud I (1), locating stud II (2), chi plate I (3), chi plate II (4), measuring rod (5), holder (6), dial (7), screw mandrel (8), jig (9), housing (10), support (11), bearing (12), guide rod (13), bearing (14), plate I (16), plate II (17), bent plate (18), pointer (19) forms, wherein, be provided with locating stud I (1) on the bearing (12), be provided with locating stud II (2) on the support (11), connect with guide rod (13) between bearing (12) and the jig (9), jig (9) is connected 10 by screw mandrel (8) with housing) connect, be provided with annulus (25) on the housing (10), chi plate II (4) places on the annulus (25), (11) sides of the axial step end face of locating stud I (1) and support are positioned at same plane, (11) sides of the axial step end face of locating stud I (1) and support place the casing upper-end surface, be provided with bearing (14) on the housing (10), be provided with holder (6) on the bearing (14), be provided with plate II (17) on the holder (6), bent plate (18), plate II (17) places on the bent plate (18), plate II (17) one ends are connected with chi plate II (4), the other end is connected with measuring rod (5), chi plate II (4) is connected with plate II (17), pointer (19) one ends and coaxial connection of measuring rod (5), the other end is placed at dial (7) top, dial (7) is fixedly connected on plate II (17), and chi plate I (3) is fixedly connected on above the chi plate II (4).
3. according to the described angle measurer of claim 2, it is characterized in that: described jig (9), housing are provided with tangential clamping device on (10).
4. according to the described angle measurer of claim 2, it is characterized in that: be provided with adjustable reading ruler on the described chi plate I (3).
5. according to the described angle measurer of claim 2, it is characterized in that: described chi plate II (4) clamps plate II (17) by bent plate (18), and chi plate II (4), bent plate (18) and clamping plate II (17) are being rotated holder (6) slip.
6. according to the described angle measurer of claim 2, it is characterized in that: described pointer (19) places an end of dial (7) top to be provided with clip (22).
7. according to the described angle measurer of claim 2, it is characterized in that: be connected with on the described bent plate (18) and make table positioning means (23), bent plate (18) and make table positioning means (23) and rotarily drive dozen table positioning means (23) by bearing (14) and beat the cylindrical of casing and beat.
8. according to the described angle measurer of claim 7, it is characterized in that: the described table positioning means (23) of beating is mainly by table (230), cramp frame (231), table folder (232), table (230) is fixed on cramp frame (231) one ends with table folder (232), and locks with screw (233).
9. according to the described angle measurer of claim 2, it is characterized in that: be provided with the both sides that scale (26), scale (26) place chi plate I (3) on the described chi plate II (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010613412 CN102562663B (en) | 2010-12-30 | 2010-12-30 | Air compressor case blade installation angle detection method and tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010613412 CN102562663B (en) | 2010-12-30 | 2010-12-30 | Air compressor case blade installation angle detection method and tool |
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| Publication Number | Publication Date |
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| CN102562663A CN102562663A (en) | 2012-07-11 |
| CN102562663B true CN102562663B (en) | 2013-10-23 |
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| CN 201010613412 Expired - Fee Related CN102562663B (en) | 2010-12-30 | 2010-12-30 | Air compressor case blade installation angle detection method and tool |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103624493B (en) * | 2013-11-26 | 2016-03-23 | 中国南方航空工业(集团)有限公司 | The processing method of compressor double casing of aero-engine |
| CN104713455B (en) * | 2013-12-11 | 2018-09-28 | 惠阳航空螺旋桨有限责任公司 | Blade angle degree detection instrument |
| CN103982379B (en) * | 2014-05-29 | 2016-07-27 | 国电联合动力技术有限公司 | A kind of fan blade zero degree established angle scaling method |
| CN109780976B (en) * | 2017-11-14 | 2022-07-12 | 中国航空工业集团公司北京航空精密机械研究所 | Intelligent detection device and detection method for mounting angle of stator guide vane of gas compressor |
| CN109211068A (en) * | 2018-09-12 | 2019-01-15 | 中国航发湖南动力机械研究所 | Angle measurement unit |
| CN110524234B (en) * | 2019-07-31 | 2020-10-27 | 中国航发南方工业有限公司 | Tool for adjusting guide vane angle and method for detecting guide vane adjusting angle of air compressor |
| CN110514168B (en) * | 2019-08-28 | 2021-06-18 | 三一重能股份有限公司 | Blade installation angle measuring method and device, storage medium and electronic equipment |
| CN110514169B (en) * | 2019-08-29 | 2021-08-24 | 三一重能有限公司 | Fan blade mounting angle checking method and device, storage medium and electronic equipment |
| CN110567349A (en) * | 2019-09-22 | 2019-12-13 | 中国航发沈阳发动机研究所 | stator blade rotation angle measuring structure and calibration method |
| CN112484682A (en) * | 2020-11-05 | 2021-03-12 | 中国航发四川燃气涡轮研究院 | Measuring device and measuring method for adjustable blade installation angle |
| CN112461093A (en) * | 2020-11-12 | 2021-03-09 | 中国航发沈阳黎明航空发动机有限责任公司 | Blade space angle measuring device of blade ring structure part |
| CN113959306B (en) * | 2021-09-09 | 2024-08-09 | 中国航发南方工业有限公司 | Adjustable stator blade installation angle measuring device and method and axial-flow compressor |
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| JP2007278636A (en) * | 2006-04-10 | 2007-10-25 | Matsushita Electric Ind Co Ltd | Operation control method for air conditioner |
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| CN201488682U (en) * | 2009-08-31 | 2010-05-26 | 沈阳黎明航空发动机(集团)有限责任公司 | Comprehensive measurement tool for slender shaft stator blade of airplane engine |
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