CN113587882A - Angular displacement measuring tool for compressor stator assembly linkage mechanism and using method - Google Patents
Angular displacement measuring tool for compressor stator assembly linkage mechanism and using method Download PDFInfo
- Publication number
- CN113587882A CN113587882A CN202110863358.7A CN202110863358A CN113587882A CN 113587882 A CN113587882 A CN 113587882A CN 202110863358 A CN202110863358 A CN 202110863358A CN 113587882 A CN113587882 A CN 113587882A
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- compressor
- crankshaft
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- transmission shaft
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 55
- 238000005259 measurement Methods 0.000 claims abstract description 16
- 230000003287 optical effect Effects 0.000 claims abstract description 4
- 230000001360 synchronised effect Effects 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 5
- 238000010923 batch production Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000007689 inspection Methods 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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
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- General Physics & Mathematics (AREA)
- Compressor (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
An angular displacement measuring tool of a compressor stator component linkage mechanism comprises a mounting plate, wherein a decoder is fixedly mounted on the mounting plate through a connecting screw, an optical axis of the decoder penetrates through the mounting plate and is connected with one end of a transmission shaft through a coupler, a groove is formed in the other end of the transmission shaft, a boss of a transmission nut is inserted into the groove of the transmission shaft and is fixed through a set screw, and one end of a support leg penetrates through a through hole in the edge of the mounting plate and is fixed through a fastening nut; the transmission nut is in threaded connection with the crankshaft of the compressor casing, the rotation angle of the transmission nut is synchronous with that of the crankshaft of the compressor casing, and the bottom ends of the support legs are in threaded connection with the crankshaft of the compressor casing through bolts, so that stable and effective angle output is guaranteed. The tool eliminates manual measurement errors, improves the measurement precision, improves the calibration automation degree, provides technical reserve for the development of an automatic measurement technology, has practical application value, and is suitable for batch production.
Description
Technical Field
The invention belongs to the technical field of special tools for aero-engines, and particularly relates to an angular displacement measuring tool for a compressor stator assembly linkage mechanism and a using method of the angular displacement measuring tool.
Background
The engine core is installed in a transmission mode, and when the adjustment rule joint adjustment inspection is carried out, the angle values of the three states are measured by pulling the driving arm; when the stator blade adjusting mechanism of the air compressor is calibrated, the actuator cylinder control valve is opened by current source excitation, the actuator cylinder is controlled to act by manual pressing, the guide blade is rotated, and when the angle to be calibrated is reached, the data acquisition system acquires the output signal of the position sensor for calibration. The two processes adopt a method of manually reading the dial, so that the precision is low; and the measurement and the pressing fit are required, so that the test process often needs repeated operation for many times due to improper fit.
Disclosure of Invention
The invention aims to provide an angular displacement measuring tool of a compressor stator component linkage mechanism and a using method thereof, which improve the measuring precision by 40 percent and realize the digital measurement of angles; meanwhile, the method can be popularized to other angle measurement or calibration.
In order to achieve the purpose, the invention adopts the following technical scheme:
an angular displacement measuring tool of a compressor stator component linkage mechanism comprises a decoder, a mounting plate, support legs, a transmission nut, a coupler, a transmission shaft, a connecting screw, a set screw and a fastening nut; the mounting plate is fixedly provided with a decoder through a connecting screw, an optical axis of the decoder penetrates through the mounting plate to be connected with one end of a coupler, the other end of the coupler is connected with one end of a transmission shaft, a groove is formed in the other end of the transmission shaft, a boss of a transmission nut is inserted into the groove of the transmission shaft and is fixed through a fastening screw, the top end of each support leg penetrates through a through hole in the edge of the mounting plate and is fixed through a fastening nut, the rotating angle of a crankshaft of the compressor casing is ensured to be accurately transmitted to the transmission shaft, the bottom end of each support leg is in threaded connection with the compressor casing through a bolt, and stable and effective angle output is ensured; the transmission nut is connected with the crankshaft of the compressor casing through threads, and the rotating angle of the transmission nut is synchronous with that of the crankshaft of the compressor casing.
The support legs comprise a polished rod, a threaded rod and a connecting seat with holes, one end of the polished rod and one end of the threaded rod are integrally formed, the diameter of the threaded rod is smaller than that of the polished rod, a shaft shoulder is formed at the joint of the polished rod and the threaded rod, the connecting seat with holes is integrally formed on the outer circular surface of the other end of the polished rod, and bolts are screwed in threaded holes of the connecting seat with holes.
The transmission nut is of a three-stage stepped structure, the small-diameter part is sequentially connected with the middle-diameter part and the large-diameter part, the small-diameter part of the transmission nut is matched with the groove of the transmission shaft, and a threaded hole arranged along the axial direction is machined in the center of the transmission nut.
A use method of an angular displacement measuring tool of a compressor stator component linkage mechanism comprises the following steps:
screwing a transmission nut and a crankshaft of the compressor casing through threads, detaching a bolt on the compressor casing, placing a connecting seat with a hole on the outer wall of the compressor casing, connecting the detached bolt with the casing, and pressing a measuring tool outside the compressor casing; in the process, the transmission shaft is sleeved outside the transmission nut and fixed by using a set screw, and the crankshaft of the casing of the gas compressor and the decoder are connected into a whole; and starting a hydraulic actuating cylinder on the air compressor to drive the crankshaft of the casing of the air compressor to rotate, and acquiring the rotation angle of the crankshaft of the casing of the air compressor through a decoder so as to realize the measurement of angular displacement.
The invention has the technical effects that:
the angular displacement measurement of the compressor stator component linkage mechanism is to measure the rotation angle of a compressor casing crankshaft; the tool disclosed by the invention realizes the digital continuous measurement of the guide vane angle of the compressor stator assembly, eliminates the manual measurement error, improves the measurement precision by 40%, improves the calibration automation degree, provides technical reserve for the development of the automatic measurement technology, realizes the digital measurement of the angle, can be derived and applied to the angular displacement measurement of the compressor stator assembly linkage mechanisms of different models, has practical application value, and is suitable for batch production and use.
Drawings
FIG. 1 is a front view of an angular displacement measuring tool for a compressor stator assembly linkage mechanism of the present invention;
FIG. 2 is a cross-sectional view of an angular displacement measuring tool for a compressor stator assembly linkage mechanism according to the present invention;
FIG. 3 is a schematic diagram of an angular displacement measuring tool for a compressor stator assembly linkage mechanism for measuring the rotation angle of a compressor casing crankshaft according to the present invention;
1-compressor casing crankshaft, 2-bolt, 3-drive nut, 4-support leg, 401-polished rod, 402-threaded rod, 403-perforated connecting seat, 5-mounting plate, 6-decoder, 7-fastening nut, 8-coupler, 9-drive shaft, 10-set screw and 11-connecting screw.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1 to 3, an angular displacement measuring tool for a compressor stator component linkage mechanism is used for measuring the angular displacement of the compressor stator component linkage mechanism, namely measuring the rotation angle of a compressor casing crankshaft 1, and comprises a decoder 6, a mounting plate 5, a support leg 4, a transmission nut 3, a coupler 8, a transmission shaft 9, a connecting screw 11, a set screw 10 and a fastening nut 7; the mounting plate 5 is fixedly provided with the decoder 6 through a connecting screw 11, an optical axis of the decoder 6 penetrates through the mounting plate 5 to be connected with one end of a coupler 8, the other end of the coupler 8 is connected with one end of a transmission shaft 9, a groove is processed at the other end of the transmission shaft 9, a boss of the transmission nut 3 is inserted into the groove of the transmission shaft 9 and is fixed through a fastening screw 10, the top end of each support leg 4 penetrates through a through hole at the edge of the mounting plate 5 and is fixed through a fastening nut 7, the rotating angle of the crankshaft 1 of the compressor casing is ensured to be accurately transmitted to the transmission shaft 9, and the number of the support legs 4 is three; the other end of the support leg 4 is in threaded connection with the compressor casing through a bolt, so that stable and effective angle output is guaranteed, the transmission nut 3 is in threaded connection with the compressor casing crankshaft 1, and the rotating angle of the transmission nut 3 is synchronous with that of the compressor casing crankshaft 1.
The support leg 4 comprises a polish rod 401, a threaded rod 402 and a connecting seat 403 with holes, one end of the polish rod 401 and one end of the threaded rod 402 are integrally formed, the diameter of the threaded rod 402 is smaller than that of the polish rod 401, a shaft shoulder is formed at the joint of the polish rod and the threaded rod, the connecting seat 403 with holes is integrally formed on the outer circular surface of the other end of the polish rod 401, and a bolt 2 is screwed in the threaded hole of the connecting seat 403 with holes.
The transmission nut 3 is of a three-stage stepped structure, the small-diameter part is sequentially connected with the middle-diameter part and the large-diameter part, the small-diameter part of the transmission nut 3 is matched with the groove of the transmission shaft 9, and a threaded hole which is axially arranged is machined in the center of the transmission nut 3.
A use method of an angular displacement measuring tool of a compressor stator component linkage mechanism comprises the following steps:
screwing a transmission nut 3 and a compressor casing crankshaft 1 through threads, detaching 3 bolts 2 on the compressor casing, placing a connecting seat 403 with holes on the outer wall of the compressor casing, connecting the detached bolts 2 with the compressor casing, and pressing a measuring tool outside the compressor casing; in the process, a transmission shaft 9 is sleeved outside the transmission nut 3 and fixed by a set screw 10, and the compressor casing crankshaft 1 and the decoder 6 are connected into a whole; a hydraulic actuator cylinder on the air compressor is started to drive the air compressor casing crankshaft 1 to rotate, and the rotation angle of the air compressor casing crankshaft 1 is acquired through the decoder 6, so that the measurement of angular displacement is realized.
Claims (4)
1. An angular displacement measuring tool of a compressor stator component linkage mechanism is characterized by comprising a decoder, a mounting plate, a support leg, a transmission nut, a coupler, a transmission shaft, a connecting screw, a set screw and a fastening nut; the mounting plate is fixedly provided with a decoder through a connecting screw, an optical axis of the decoder penetrates through the mounting plate to be connected with one end of a coupler, the other end of the coupler is connected with one end of a transmission shaft, a groove is formed in the other end of the transmission shaft, a boss of a transmission nut is inserted into the groove of the transmission shaft and is fixed through a fastening screw, the top end of each support leg penetrates through a through hole in the edge of the mounting plate and is fixed through a fastening nut, the rotating angle of a crankshaft of the compressor casing is ensured to be accurately transmitted to the transmission shaft, the bottom end of each support leg is in threaded connection with the compressor casing through a bolt, and stable and effective angle output is ensured; the transmission nut is connected with the crankshaft of the compressor casing through threads, and the rotating angle of the transmission nut is synchronous with that of the crankshaft of the compressor casing.
2. The compressor stator assembly linkage mechanism angular displacement measuring tool of claim 1, wherein: the support legs comprise a polished rod, a threaded rod and a connecting seat with holes, one end of the polished rod and one end of the threaded rod are integrally formed, the diameter of the threaded rod is smaller than that of the polished rod, a shaft shoulder is formed at the joint of the polished rod and the threaded rod, the connecting seat with holes is integrally formed on the outer circular surface of the other end of the polished rod, and bolts are screwed in threaded holes of the connecting seat with holes.
3. The compressor stator assembly linkage mechanism angular displacement measuring tool of claim 1, wherein: the transmission nut is of a three-stage stepped structure, the small-diameter part is sequentially connected with the middle-diameter part and the large-diameter part, the small-diameter part of the transmission nut is matched with the groove of the transmission shaft, and a threaded hole arranged along the axial direction is machined in the center of the transmission nut.
4. The use method of the angular displacement measuring tool of the compressor stator assembly linkage mechanism is characterized by comprising the following steps of:
screwing a transmission nut and a crankshaft of the compressor casing through threads, detaching a bolt on the compressor casing, placing a connecting seat with a hole on the outer wall of the compressor casing, connecting the detached bolt with the casing, and pressing a measuring tool outside the compressor casing; in the process, the transmission shaft is sleeved outside the transmission nut and fixed by using a set screw, and the crankshaft of the casing of the gas compressor and the decoder are connected into a whole; and starting a hydraulic actuating cylinder on the air compressor to drive the crankshaft of the casing of the air compressor to rotate, and acquiring the rotation angle of the crankshaft of the casing of the air compressor through a decoder so as to realize the measurement of angular displacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110863358.7A CN113587882B (en) | 2021-07-29 | 2021-07-29 | Tool for measuring angular displacement of linkage mechanism of stator assembly of air compressor and application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110863358.7A CN113587882B (en) | 2021-07-29 | 2021-07-29 | Tool for measuring angular displacement of linkage mechanism of stator assembly of air compressor and application method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113587882A true CN113587882A (en) | 2021-11-02 |
| CN113587882B CN113587882B (en) | 2024-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110863358.7A Active CN113587882B (en) | 2021-07-29 | 2021-07-29 | Tool for measuring angular displacement of linkage mechanism of stator assembly of air compressor and application method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007155482A (en) * | 2005-12-05 | 2007-06-21 | Tokai Rika Co Ltd | Turning angle detector |
| CN201737619U (en) * | 2010-03-19 | 2011-02-09 | 广州市攀森机械设备制造有限公司 | Length and angle measuring device |
| CN202382724U (en) * | 2011-12-30 | 2012-08-15 | 北京中科恒业中自技术有限公司 | Angle measuring instrument |
| JP2013167548A (en) * | 2012-02-16 | 2013-08-29 | Panasonic Corp | Rotation angle detection apparatus and rotation angle detection system using the same |
| CN206056562U (en) * | 2016-10-09 | 2017-03-29 | 中科合肥微小型燃气轮机研究院有限责任公司 | A kind of angle detection device |
| CN208333371U (en) * | 2018-07-18 | 2019-01-04 | 国网浙江省电力有限公司电力科学研究院 | A kind of angle detection device of compressor inlet adjustable guide vane |
| CN111855181A (en) * | 2020-07-27 | 2020-10-30 | 西南交通大学 | Testing arrangement of pipe joint tightening torque and angle displacement relation |
-
2021
- 2021-07-29 CN CN202110863358.7A patent/CN113587882B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007155482A (en) * | 2005-12-05 | 2007-06-21 | Tokai Rika Co Ltd | Turning angle detector |
| CN201737619U (en) * | 2010-03-19 | 2011-02-09 | 广州市攀森机械设备制造有限公司 | Length and angle measuring device |
| CN202382724U (en) * | 2011-12-30 | 2012-08-15 | 北京中科恒业中自技术有限公司 | Angle measuring instrument |
| JP2013167548A (en) * | 2012-02-16 | 2013-08-29 | Panasonic Corp | Rotation angle detection apparatus and rotation angle detection system using the same |
| CN206056562U (en) * | 2016-10-09 | 2017-03-29 | 中科合肥微小型燃气轮机研究院有限责任公司 | A kind of angle detection device |
| CN208333371U (en) * | 2018-07-18 | 2019-01-04 | 国网浙江省电力有限公司电力科学研究院 | A kind of angle detection device of compressor inlet adjustable guide vane |
| CN111855181A (en) * | 2020-07-27 | 2020-10-30 | 西南交通大学 | Testing arrangement of pipe joint tightening torque and angle displacement relation |
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| Publication number | Publication date |
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| CN113587882B (en) | 2024-01-16 |
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