CN211178310U - Comprehensive measuring platform for engine rotor - Google Patents
Comprehensive measuring platform for engine rotor Download PDFInfo
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- CN211178310U CN211178310U CN201921898063.8U CN201921898063U CN211178310U CN 211178310 U CN211178310 U CN 211178310U CN 201921898063 U CN201921898063 U CN 201921898063U CN 211178310 U CN211178310 U CN 211178310U
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Abstract
The utility model belongs to rotor measuring equipment technique relates to an engine rotor synthesizes measuring platform. The device comprises a base (1), a supporting seat (2), a main shaft (3), a centering device (4), a clamping device (5), a tip (6), a combined guide rail (7), a rotary adjusting table (8), an inclined adjusting table (9), a sensor bracket (10), a light curtain sensor (11), a stand column (12), a measuring arm (13), a supporting plate (14) and a contact measuring head (15); the invention adopts a horizontal structure form, constructs the rotation axis of the rotor by the aid of the reference of the rotor, and utilizes the movable column type cantilever measuring rod and the multi-degree-of-freedom light curtain sensing unit to realize comprehensive detection of process parameters such as rotor runout, dynamic radius of a blade tip and the like. The utility model discloses a contact and non-contact compound measurement mode can solve engine rotor part assembly concentricity and rotor apex and quiet dynamic radius of gyration's comprehensive measurement problem, improves the reliability of rotor and blade assembling process.
Description
Technical Field
The utility model belongs to rotor measuring equipment technique relates to an engine rotor synthesizes measuring platform.
Background
The contour parameters and the form and position errors of the rotor have important influence on the assembly of the engine and the overall performance of the engine. According to statistics of blade tip clearance detection of a certain high-pressure turbine, the oil consumption rate of the high-pressure turbine is reduced by 0.8-1.0% when the blade tip clearance is reduced by 0.25mm, and the emission of harmful gases such as hydroxide, CO2 and the like is reduced; the clearance is increased by 1 percent, and the efficiency of the engine is reduced by 1.3 percent; tests show that the blade tip clearance of the compressor rotor has certain influence on the steady-state performance and the stability margin of the engine, and further the vibration and the safety of the whole engine can be influenced.
The rotor is usually composed of a plurality of stages of disc shafts, the supporting span is large, the concentricity requirement is high, therefore, the requirement on the processing precision of the rotor is high, the key process parameters of the rotor must be measured before the engine is assembled, the involved process parameters mainly comprise profile parameters such as end face runout, radial runout and the like, and the profile radius of a stator and the dynamic radius of a rotor blade tip for ensuring the assembly clearance of the engine.
The key process parameter detection of the existing rotor is mostly carried out by adopting equipment such as a coordinate measuring machine, a cylindricity measuring instrument and the like, the key process parameter detection is mainly designed aiming at an engine stacking assembly scheme, the stacking assembly scheme adopts a vertical assembly and detection mode, and mainly focuses on the problem of assembly concentricity among rotor components, and as the key process parameter detection cannot simulate the actual rotation state of the rotor, the dynamic radius of the assembled blade tip cannot be detected, so that the final blade tip clearance value cannot be provided; therefore, a platform capable of simultaneously measuring the rotor runout and the dynamic radius of the blade tip is needed to guide the assembly process of the rotor and the blade.
Disclosure of Invention
The utility model provides a technical problem do: and (3) comprehensively measuring the assembly concentricity of the rotor part of the engine and the tip of the rotor and the static and dynamic gyration radius.
The technical scheme of the utility model: an engine rotor comprehensive measurement platform is characterized by comprising a base 1, a supporting seat 2, a main shaft 3, a centering device 4, a clamping device 5, a tip 6, a combined guide rail 7, a rotary adjusting table 8, an inclined adjusting table 9, a sensor support 10, a light curtain sensor 11, a stand column 12, a measurement arm 13, a supporting plate 14, a contact measuring head 15, a movable seat 16 sliding guide rail 17 and a guide rail 18; a boss is arranged in the middle of one end of the base 1, a supporting seat 2 is fixed on the boss, the main shaft 3 is installed in an installation hole of the supporting seat 2 through a bearing, the aligning device 4 is fixed on the end face of the main shaft 3, and the clamping device 5 is fixedly installed on the aligning device 4; the sliding guide rail 17 is fixed in the middle of the base 1, the movable seat 16 is installed on the sliding guide rail 17, the supporting seat 2 is fixedly installed on the movable seat 16, the main shaft 3 is installed in the installation hole of the supporting seat 2, and the tip 6 is installed in the installation hole of the main shaft 3; the combined guide rail 7 is fixed on one side of the base 1, the rotary adjusting table 8 is installed on the combined guide rail 7, the inclined adjusting table 9 is installed on the rotary adjusting table 8, the sensor support 10 is installed on the inclined adjusting table 9, and the light curtain sensor 11 is installed on the sensor support 10; the guide rail 18 is fixedly arranged at the other side of the base 1, the upright post 12 is fixed on the guide rail 18, the supporting plate 14 is movably arranged on the upright post 12, the measuring arm 13 is arranged on the supporting plate 14, and the contact measuring head 15 is arranged on the measuring arm 13.
The aligning device 4 is provided with at least two adjusting knobs which can be adjusted in two directions;
the clamping device 5 is provided with at least three clamping soft claws.
The tip 6 size is selected according to the rotor.
The supporting plate 14 is mounted on the upright 12 by means of a wedge structure and can move in a set direction.
The light curtain sensor 11 is parallel to the measured rotor 20 and perpendicular to the axis of the measured rotor 20.
The contact probe 15 is parallel to the position of the measured rotor 20.
The utility model has the advantages that: compared with the existing measuring scheme and measuring equipment, the comprehensive measuring platform for the engine rotor adopts a horizontal structure form, the rotation axis of the comprehensive measuring platform is constructed by means of the reference of the rotor, and the comprehensive detection of the process parameters such as rotor runout, dynamic radius of a blade tip and the like is realized by utilizing the movable column type cantilever measuring rod and the multi-degree-of-freedom light curtain sensing unit. The comprehensive measurement platform for the engine rotor adopts a contact and non-contact composite measurement mode, can solve the problems of assembly concentricity of the rotor part of the engine and comprehensive measurement of the tip of the rotor and the static and dynamic turning radius, and improves the reliability of the assembly process of the rotor and the blade.
Drawings
FIG. 1 is a front view of an engine rotor integrated measurement platform;
FIG. 2 is a left side view of an engine rotor integrated measurement platform;
in the figure: the method comprises the following steps of 1-base, 2-supporting seat, 3-main shaft, 4-aligning device, 5-clamping device, 6-tip, 7-combined guide rail, 8-rotary adjusting table, 9-inclined adjusting table, 10-sensor support, 11-light curtain sensor, 12-upright column, 13-measuring arm, 14-supporting plate, 15-contact measuring head and 20-rotor.
Detailed Description
The invention relates to a rotor measuring device, which adopts a horizontal structure form and consists of a base 1, a supporting seat 2, a main shaft 3, a centering device 4, a clamping device 5, a tip 6, a combined guide rail 7, a rotary adjusting table 8, an inclined adjusting table 9, a sensor bracket 10, a light curtain sensor 11, an upright post 12, a measuring arm 13, a supporting plate 14, a contact measuring head 15, a movable seat 16, a sliding guide rail 17 and a guide rail 18; the middle of one end of the base 1 is provided with a boss, a supporting seat 2 is fixed on the boss, a main shaft 3 is installed in an installation hole of the supporting seat 2 through a bearing, an aligning device 4 is fixed on the end face of the main shaft 3, the aligning device 4 is provided with at least two adjusting knobs which can be adjusted in two directions, a clamping device 5 is fixedly installed on the aligning device 4, the clamping device 5 is provided with at least three clamping soft jaws which can clamp a rotor without damage; the sliding guide rail 17 is fixed in the middle of the base 1, the movable seat 16 is installed on the sliding guide rail 17, the supporting seat 2 is fixedly installed on the movable seat 16, the main shaft 3 is installed in the installation hole of the supporting seat 2, the tip 6 is installed in the installation hole of the main shaft 3, and the size of the tip 6 is selected according to a rotor; the combined guide rail 7 is fixed on one side of the base 1, the rotary adjusting table 8 is installed on the combined guide rail 7, the inclined adjusting table 9 is installed on the rotary adjusting table 8, the sensor support 10 is installed on the inclined adjusting table 9, the light curtain sensor 11 is installed on the sensor support 10, the position of the rotary adjusting table 8 on the combined guide rail 7 is adjusted, the light curtain sensor 11 is guaranteed to be flush with the position of the measured rotor 20, the rotary angle of the rotary adjusting table 8 and the inclined angle of the inclined adjusting table 9 are adjusted, and the light curtain sensor 11 is guaranteed to be perpendicular to the axis of the measured rotor 20; the guide rail 18 is fixedly arranged on the other side of the base 1, the upright post 12 is fixed on the guide rail 18, the supporting plate 14 is movably arranged on the upright post 12, the measuring arm 13 is arranged on the supporting plate 14, the supporting plate 14 has a wedge-shaped structure and can move along a certain fixed direction, the contact measuring head 15 is arranged on the measuring arm 13, the position of the upright post 12 on the guide rail 18 is adjusted, the contact measuring head 15 is enabled to be flush with the position of the measured rotor 20, the position of the supporting plate 14 on the upright post 12 and the position of the measuring arm 13 on the supporting plate 14 are adjusted, and the contact measuring head 15 is enabled to.
Before the rotor is measured, firstly fixing the rotor on a positioning and clamping device 5 in a hoisting mode, and preliminarily adjusting the axis position of the rotor; then, adjusting the positions of the upright post 12, the measuring arm 13 and the supporting plate 14 to enable the contact measuring head 15 to contact the outer circular surface of the reference shaft of the rotor, and displaying the readings; equally dividing the rotor rotation angle into 4 parts, namely 0 degrees, 90 degrees, 180 degrees and 270 degrees, counting in the process of rotating the rotor, and adjusting the aligning device 4 to correct the reference of one end of the rotor; and then, the reference shaft surface at the other end of the rotor is subjected to the same operation in the same way, so that the rotor reference correction is realized. After the rotor reference is corrected, the process parameters such as rotor runout, roundness and the like can be measured.
When the dynamic radius of the blade tip is measured, the light curtain sensor 11 is perpendicular to the rotation axis of the measured rotor 20 by adjusting the rotation adjusting table 8 and the inclination adjusting table 9, and the measurement position is changed by adjusting the position of the light curtain sensor 11 on the combined guide rail 7.
When the measured rotor span is changed, the position of the movable seat 16 is adjusted to adapt to rotor structures with different sizes, and the measurement adaptability is ensured.
Claims (7)
1. An engine rotor comprehensive measurement platform is characterized by comprising a base (1), a supporting seat (2), a main shaft (3), a centering device (4), a clamping device (5), a tip (6), a combined guide rail (7), a rotary adjusting table (8), an inclined adjusting table (9), a sensor support (10), a light curtain sensor (11), a stand column (12), a measurement arm (13), a supporting plate (14), a contact measuring head (15), a movable seat (16), a sliding guide rail (17) and a guide rail (18); a boss is arranged in the middle of one end of the base (1), a supporting seat (2) is fixed on the boss, the main shaft (3) is installed in an installation hole of the supporting seat (2) through a bearing, the aligning device (4) is fixed on the end face of the main shaft (3), and the clamping device (5) is fixedly installed on the aligning device (4); the sliding guide rail (17) is fixed in the middle of the base (1), the movable seat (16) is installed on the sliding guide rail (17), the supporting seat (2) is fixedly installed on the movable seat (16), the main shaft (3) is installed in an installation hole of the supporting seat (2), and the tip (6) is installed in an installation hole of the main shaft (3); the combined guide rail (7) is fixed on one side of the base (1), the rotary adjusting table (8) is installed on the combined guide rail (7), the inclined adjusting table (9) is installed on the rotary adjusting table (8), the sensor support (10) is installed on the inclined adjusting table (9), and the light curtain sensor (11) is installed on the sensor support (10); the guide rail (18) is fixedly arranged on the other side of the base (1), the upright post (12) is fixed on the guide rail (18), the supporting plate (14) is movably arranged on the upright post (12), the measuring arm (13) is arranged on the supporting plate (14), and the contact measuring head (15) is arranged on the measuring arm (13).
2. The integrated measuring platform for the engine rotor according to claim 1, characterized in that the aligning device (4) has at least two adjusting knobs for two-directional adjustment.
3. The integrated measuring platform for the engine rotor as recited in claim 1, characterized in that the clamping device (5) has at least three clamping soft jaws.
4. The engine rotor comprehensive measurement platform of claim 1, characterized in that the tip (6) size is selected according to the rotor.
5. The engine rotor comprehensive measuring platform of claim 1, characterized in that the supporting plate (14) is mounted on the upright (12) by a wedge structure and can move in a set direction.
6. The engine rotor comprehensive measuring platform as claimed in claim 1, wherein the light curtain sensor (11) is positioned parallel to the measured rotor (20) and perpendicular to the axis of the measured rotor (20).
7. The integrated measuring platform for the engine rotor according to claim 1, characterized in that the contact measuring head (15) is parallel to the position of the measured rotor (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921898063.8U CN211178310U (en) | 2019-11-05 | 2019-11-05 | Comprehensive measuring platform for engine rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921898063.8U CN211178310U (en) | 2019-11-05 | 2019-11-05 | Comprehensive measuring platform for engine rotor |
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| Publication Number | Publication Date |
|---|---|
| CN211178310U true CN211178310U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921898063.8U Active CN211178310U (en) | 2019-11-05 | 2019-11-05 | Comprehensive measuring platform for engine rotor |
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| CN (1) | CN211178310U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110645946A (en) * | 2019-11-05 | 2020-01-03 | 四川大学 | Portable large-diameter deep hole internal thread pitch diameter on-site measuring instrument and measuring method thereof |
| CN112361917A (en) * | 2020-11-16 | 2021-02-12 | 中国二冶集团有限公司 | Installation and construction method of regenerative fan |
| CN114001689A (en) * | 2021-11-10 | 2022-02-01 | 中国航发南方工业有限公司 | Device and method for measuring axial size of rotor of aircraft engine |
| CN114088046A (en) * | 2021-11-15 | 2022-02-25 | 北京航空航天大学 | Aeroengine detection device |
| WO2022057623A1 (en) * | 2020-09-21 | 2022-03-24 | 台州市东部数控设备有限公司 | Measurement device for dimensions of vehicle generator rotor |
| CN116045820A (en) * | 2023-03-31 | 2023-05-02 | 北京航天计量测试技术研究所 | Warhead length measuring method based on light curtain sensor |
-
2019
- 2019-11-05 CN CN201921898063.8U patent/CN211178310U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110645946A (en) * | 2019-11-05 | 2020-01-03 | 四川大学 | Portable large-diameter deep hole internal thread pitch diameter on-site measuring instrument and measuring method thereof |
| WO2022057623A1 (en) * | 2020-09-21 | 2022-03-24 | 台州市东部数控设备有限公司 | Measurement device for dimensions of vehicle generator rotor |
| CN112361917A (en) * | 2020-11-16 | 2021-02-12 | 中国二冶集团有限公司 | Installation and construction method of regenerative fan |
| CN114001689A (en) * | 2021-11-10 | 2022-02-01 | 中国航发南方工业有限公司 | Device and method for measuring axial size of rotor of aircraft engine |
| CN114001689B (en) * | 2021-11-10 | 2024-02-02 | 中国航发南方工业有限公司 | Device and method for measuring axial dimension of aero-engine rotor |
| CN114088046A (en) * | 2021-11-15 | 2022-02-25 | 北京航空航天大学 | Aeroengine detection device |
| CN116045820A (en) * | 2023-03-31 | 2023-05-02 | 北京航天计量测试技术研究所 | Warhead length measuring method based on light curtain sensor |
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