CN110763134A - Method for detecting and adjusting misalignment of shafting of turbine generator set - Google Patents
Method for detecting and adjusting misalignment of shafting of turbine generator set Download PDFInfo
- Publication number
- CN110763134A CN110763134A CN201910672669.8A CN201910672669A CN110763134A CN 110763134 A CN110763134 A CN 110763134A CN 201910672669 A CN201910672669 A CN 201910672669A CN 110763134 A CN110763134 A CN 110763134A
- Authority
- CN
- China
- Prior art keywords
- shafting
- misalignment
- measuring surface
- measuring
- adjusting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
- G01B7/31—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B7/312—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
Abstract
The invention relates to a method for detecting and adjusting misalignment of a turbine generator set shafting assembled by electromechanical equipment, which comprises the following steps: the method comprises the following steps of shafting preliminary positioning, measurement position selection, static shafting locking, measurement position description and misalignment deviation adjustment; when the shafting is initially positioned, the magnetic dial indicator is used for adjusting the axis displacement deviation of shafting equipment to be set within the range of 0.15-0.35 mm; when the measuring position is selected, an A1 measuring surface is arranged at the front end shafting rotor, and an A2 measuring surface is arranged at the rear end shafting rotor; when the static shaft system is locked, the measuring surface detectors are respectively arranged on each measuring surface, and the static shaft system is locked; when the measuring position is described, the measuring position is described by a clock face angle method; and when the misalignment deviation is adjusted, the misalignment deviation value of the parallel misalignment angle is corrected, and the misalignment deviation adjustment is realized by correcting the misalignment deviation of the parallel misalignment angle by using each adjusting component. The invention has the advantages of scientific detection, convenient adjustment, good data repeatability and accurate and reliable process.
Description
Technical Field
The invention relates to an electromechanical device assembly technology, in particular to a method for detecting and adjusting misalignment of a turbine generator set shaft system.
Background
In the operation process of the turbine generator set, misalignment of a rotating shaft system is a main factor causing operation failure. The traditional magnetic dial gauge centering detection method can only carry out initial detection and coarse adjustment, is easy to generate deviation, influences detection precision and reduces adjustment effect.
Disclosure of Invention
The invention aims to provide a method for detecting and adjusting misalignment of a turbine generator set shafting, which can reliably improve the detection precision and effectively ensure the adjustment effect.
A method for detecting and adjusting misalignment of a turbine generator set shaft system is designed, and comprises the following steps: shafting preliminary positioning, measurement position select, static shafting locking, measurement position description, misalignment deviation adjustment, its characterized in that: when the shafting is initially positioned, the magnetic dial indicator is used for adjusting the axis displacement deviation of shafting equipment to be set within the range of 0.15-0.35 mm; when the measuring position is selected, an A1 measuring surface is arranged at the front end shafting rotor, and an A2 measuring surface is arranged at the rear end shafting rotor; when the static shaft system is locked, arranging an A1 measuring surface detector at an A1 measuring surface, arranging an A2 measuring surface detector at an A2 measuring surface, and locking the static shaft system; when the measuring position is described, the measuring position is described by a clock face angle method, namely, at the clock positions of 9 points, 12 points and 3 points on the clock surface; when the misalignment deviation is adjusted, the deviation value of the parallel misalignment deviation and the misalignment deviation of the angle is corrected, and the misalignment deviation adjustment is realized by utilizing the front end height adjusting bolt, the rear end height adjusting bolt, the front end horizontal adjusting bolt, the rear end horizontal adjusting bolt, the front end adjusting block, the rear end adjusting block, the front end distance adjusting sheet, the rear end distance adjusting sheet and other components.
The invention has the beneficial technical effects that: when the shafting is preliminarily positioned, the axis displacement deviation of the shafting to be adjusted is set within the range of 0.15-0.35mm by utilizing the magnetic dial indicator, so that the shafting misalignment detection and adjustment process can be accelerated, when the static shafting is locked, the A1 measuring surface detector is arranged at the A1 measuring surface, the A2 measuring surface detector is arranged at the A2 measuring surface, and meanwhile, the static shafting is locked, so that the moving centering adjustment can be performed by referring to the reference of the static shafting. In addition, when the position is measured, the measuring position is described by a clock face angle method, namely, the measuring position is described at the clock positions of 9 points, 12 points and 3 points on the clock surface, so that the detection and adjustment of the angle misalignment are facilitated. The invention also has the advantages of scientific detection, convenient adjustment, good data repeatability and accurate and reliable process.
Drawings
FIG. 1 is a schematic structural view;
fig. 2 is a schematic circuit diagram.
In the figure, 1, an expander unit, 2, a generator unit, 3, a base adjusting unit, 4, a measurement and control unit, 5, a turbine expander, 6, a reduction box, 7, a front end shafting rotor, 8, an A1 measuring surface detector, 9, an A1 measuring surface, 10, an A1 measuring surface support M, 11, a shaft coupling, 12, a front end flange, 13, a fastening bolt, 14, a generator, 15, a rear end shafting rotor, 16, a rear end flange, 17, an A2 measuring surface, 18, an A2 measuring surface detector, 19, an A2 measuring surface support S, 20, a front end height adjusting bolt, 21, a rear end height adjusting bolt, 22, a front end horizontal adjusting bolt, 23, a rear end horizontal adjusting bolt, 24, a front end adjusting block, 25, a rear end adjusting block, 26, a front end distance adjusting sheet, 27, a rear distance adjusting sheet, 28, a CCD detector S, 29, a CCD detector M, 30, a signal conversion circuit, 31, a touch screen, 32. drive circuit, 33, interface circuit, 34, microprocessor, 35, memory, 36, ROM memory.
Detailed Description
The invention is further illustrated in two parts by the following examples.
The first part, the structure is composed.
The embodiment comprises the following steps: the system comprises an expander unit (1), a generator unit (2), a base adjusting unit (3) and a measurement and control unit (4);
the expander unit (1) comprises; the device comprises a turbo expander (5), a reduction gearbox (6), a front end shaft system rotor (7), an A1 measuring surface detector (8), an A1 measuring surface (9), an A1 measuring surface support M (10), a coupler (11), a front end flange (12) and a fastening bolt (13);
the generator unit (2) comprises: the device comprises a generator (14), a rear end shafting rotor (15), a rear end flange (16), an A2 measuring surface (17), an A2 measuring surface detector (18) and an A2 measuring surface support S (19);
the base adjustment unit (3) comprises: a front end height adjusting bolt (20), a rear end height adjusting bolt (21), a front end horizontal adjusting bolt (22), a rear end horizontal adjusting bolt (23), a front end adjusting block (24), a rear end adjusting block (25), a front end distance adjusting sheet (26) and a rear end distance adjusting sheet (27);
the measurement and control unit (4) comprises: the device comprises a CCD detector S2(28), a CCD detector M (29), a signal conversion circuit (30), a touch screen (31), a driving circuit (32), an interface circuit (33), a microprocessor (34), a memory (35) and a ROM (36).
And (3) related parameters: the distance A (37) between the front end flange (12) and the rear end flange (16), the distance B (38) between the measuring surface (17) and the bottom angle of the generator (14) measured by A2, the distance C (39) between the left foot and the right foot of the generator (14), and the distance D (40) between the measuring surface (9) and the front end flange (12) measured by A1.
And a second part, detecting the adjustment process.
Step one, when the shafting is initially positioned, the axis displacement deviation of shafting equipment is adjusted by using a magnetic dial indicator so as to be set within the range of 0.15-0.35 mm.
The mounting hole of the generator (14) is aligned with the mounting hole of the base, and the assembly of the turbine expander (5) and the reduction gearbox (6) is initially aligned with the mounting hole of the base in position. And adjusting the distance A (37) between the front end flange (12) and the rear end flange (16), wherein the numerical value of the distance A (37) is greater than the length of the coupler (11) by about 0.5-1.5 mm.
The magnetic dial indicator is used for preliminarily adjusting the parallel misalignment amount and the angle misalignment amount, and the rear end height adjusting bolt (21), the rear end adjusting block (25), the rear end horizontal adjusting bolt (23) and the rear end distance adjusting sheet (27) are used for adjusting the misalignment amount of the generator (14). The misalignment of the turboexpander (5) is adjusted by using a front end adjusting block (24), a front end horizontal adjusting bolt (22), the front end horizontal adjusting bolt (22) and a front end distance adjusting sheet (26). And preliminarily adjusting the axial displacement deviation of the two shafting within the range of 0.15-0.35 mm. After preliminary adjustment, the rear-end shafting rotor (15) is higher than the front-end shafting rotor (7), and the central height difference is within the range of 0.15-0.25 mm.
After the initial adjustment is completed, the end of the generator (14) is determined as a static device, the positioning part of the rear end adjusting block (25) is welded with the base, and the generator (14) is tightly connected with the base assembly through a fastening screw and a spring washer.
And step two, when the measurement position is selected, an A1 measurement surface (9) is arranged at the front end shafting rotor (7), and an A2 measurement surface (17) is arranged at the rear end shafting rotor (15).
If the A1 measurement surface support M (10) and the A2 measurement surface support S (19) are connected to the front-end shafting rotor (7) and the rear-end shafting rotor (15) and cannot be installed due to space problems, the A1 measurement surface (9) and the A2 measurement surface (17) can be selected as the front-end flange (12) and the rear-end flange (16).
And thirdly, when the static shaft system is locked, arranging an A1 measuring surface detector (8) at an A1 measuring surface (9), arranging an A2 measuring surface detector (18) at an A2 measuring surface (17), and locking the static shaft system.
An A1 measuring surface bracket M (10) provided with an A1 measuring surface detector (8) and a CCD detector S (28) and connected to an A1 measuring surface (9) of a front-end shafting rotor (7); an A2 measuring surface bracket S (19) provided with an A2 measuring surface detector (18) and a CCD detector S (28) and connected to an A2 measuring surface (17) of a rear-end shafting rotor (15); the chains are hung on the anchor bolts of the A1 measuring surface bracket M (10) and the A2 measuring surface bracket S (19) from the inside respectively, and the measuring and controlling unit (4) is ensured to be tightly fixed on the corresponding measuring section. And opening two MUs (multi-user) of the A1 measuring surface detector (8) and the A2 measuring surface detector (18), adjusting the laser line of the A1 measuring surface detector (8) to aim at the central position of the A2 measuring surface detector (18), and converting and displaying the measuring result of the CCD detector S (28) on the touch screen (31) through the microprocessor (34).
And step four, when the measuring position is described, describing the measuring position by using a clock face angle method, namely, at the clock positions of 9 points, 12 points and 3 points on the clock surface.
The switch of the touch screen (31) is turned on, and the main screen is entered. Clicking the new pair, inputting the numerical values of the distance A (37), the distance B (38), the distance C (39) and the distance D (40) obtained by measuring with the tape measure, entering a measuring stage, viewing the mobile equipment at the back, and determining the 9 o ' clock direction of the first measuring position, the 12 o ' clock direction of the second measuring position and the 3 o ' clock direction of the third measuring position. Obtaining measured values from three different measuring positions, and adjusting the parallel misalignment of the turboexpander (5) by utilizing a front-end horizontal adjusting bolt (22) according to the measuring results; the front end height adjusting bolt (20) and the front end distance adjusting sheet (26) are used for adjusting the misalignment of the height and the angle. The concentric alignment quantity of the rear end shafting rotor (15) and the front end shafting rotor (7) is ensured to be within the range of 0.05-0.15 mm.
And step five, correcting the deviation value of the parallel misalignment and the misalignment of the angle during misalignment deviation adjustment, and correcting the deviation of the parallel misalignment and the misalignment angle by utilizing the components such as a front end height adjusting bolt (20), a rear end height adjusting bolt (21), a front end horizontal adjusting bolt (22), a rear end horizontal adjusting bolt (23), a front end adjusting block (24), a rear end adjusting block (25), a front end distance adjusting sheet (26), a rear end distance adjusting sheet (27) and the like to realize misalignment deviation adjustment.
If the requirement of the parameters can not be aligned, the previous step can be repeated for repeated adjustment until the alignment requirement is met. After the requirements are met, the positioning part of the front-end shafting rotor (7) is welded with the base, and the turbine expander (5) is tightly connected with the base component by fastening screws and spring washers.
After centering is finished, according to the couplings (11) with different specifications, different torque requirements are selected to adjust the fastening bolts (13), and the elastic diaphragms of the couplings (11) can be ensured to be freely stretched.
Claims (1)
1. A method for detecting and adjusting misalignment of a shaft system of a turbine generator set comprises the following steps: shafting preliminary positioning, measurement position select, static shafting locking, measurement position description, misalignment deviation adjustment, its characterized in that: when the shafting is initially positioned, the magnetic dial indicator is used for adjusting the axis displacement deviation of shafting equipment to be set within the range of 0.15-0.35 mm; when the measuring position is selected, an A1 measuring surface (9) is arranged at the front end shafting rotor (7), and an A2 measuring surface (17) is arranged at the rear end shafting rotor (15); when the static shaft system is locked, arranging an A1 measuring surface detector (8) at an A1 measuring surface (9), arranging an A2 measuring surface detector (18) at an A2 measuring surface (17), and locking the static shaft system; when the measuring position is described, the measuring position is described by a clock face angle method, namely, at the clock positions of 9 points, 12 points and 3 points on the clock surface; when misalignment deviation is adjusted, the deviation value of parallel misalignment and angle misalignment is corrected, and the misalignment deviation adjustment is realized by utilizing the components such as the front end height adjusting bolt (20), the rear end height adjusting bolt (21), the front end horizontal adjusting bolt (22), the rear end horizontal adjusting bolt (23), the front end adjusting block (24), the rear end adjusting block (25), the front end distance adjusting sheet (26), the rear end distance adjusting sheet (27) and the like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910672669.8A CN110763134A (en) | 2019-07-24 | 2019-07-24 | Method for detecting and adjusting misalignment of shafting of turbine generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910672669.8A CN110763134A (en) | 2019-07-24 | 2019-07-24 | Method for detecting and adjusting misalignment of shafting of turbine generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110763134A true CN110763134A (en) | 2020-02-07 |
Family
ID=69329469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910672669.8A Pending CN110763134A (en) | 2019-07-24 | 2019-07-24 | Method for detecting and adjusting misalignment of shafting of turbine generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110763134A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112066873A (en) * | 2020-07-17 | 2020-12-11 | 沪东中华造船(集团)有限公司 | Centering method of ship main engine and gear box |
| WO2022150864A1 (en) * | 2021-01-15 | 2022-07-21 | Avl List Gmbh | Method for correcting a misalignment of at least one shafting |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196432A (en) * | 2012-01-06 | 2013-07-10 | 上海信慧电力科技有限公司 | Alignment instrument measurement and adjustment method for generator coupled wheel shaft system |
| CN103867401A (en) * | 2014-01-23 | 2014-06-18 | 广东明阳风电产业集团有限公司 | Method for centering and adjusting mainshaft bearing shafting of wind generating set |
| CN104536464A (en) * | 2014-12-10 | 2015-04-22 | 镇江市远程传动机械有限责任公司 | Coupling centering method |
| US9038281B1 (en) * | 2008-09-09 | 2015-05-26 | Matthew J. McBride | Apparatus for aligning a wind turbine generator |
| US20190068026A1 (en) * | 2017-08-29 | 2019-02-28 | On-Power, Inc. | Mobile power generation system including optical alignment |
| CN109596356A (en) * | 2018-12-12 | 2019-04-09 | 北京振测智控科技有限公司 | A kind of measurement method of steam-electric generating set shafting bias |
| CN209035950U (en) * | 2018-11-16 | 2019-06-28 | 襄阳五二五泵业有限公司 | A kind of shaft coupling quick centring alignment device for pumping with motor installation |
-
2019
- 2019-07-24 CN CN201910672669.8A patent/CN110763134A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9038281B1 (en) * | 2008-09-09 | 2015-05-26 | Matthew J. McBride | Apparatus for aligning a wind turbine generator |
| CN103196432A (en) * | 2012-01-06 | 2013-07-10 | 上海信慧电力科技有限公司 | Alignment instrument measurement and adjustment method for generator coupled wheel shaft system |
| CN103867401A (en) * | 2014-01-23 | 2014-06-18 | 广东明阳风电产业集团有限公司 | Method for centering and adjusting mainshaft bearing shafting of wind generating set |
| CN104536464A (en) * | 2014-12-10 | 2015-04-22 | 镇江市远程传动机械有限责任公司 | Coupling centering method |
| US20190068026A1 (en) * | 2017-08-29 | 2019-02-28 | On-Power, Inc. | Mobile power generation system including optical alignment |
| CN209035950U (en) * | 2018-11-16 | 2019-06-28 | 襄阳五二五泵业有限公司 | A kind of shaft coupling quick centring alignment device for pumping with motor installation |
| CN109596356A (en) * | 2018-12-12 | 2019-04-09 | 北京振测智控科技有限公司 | A kind of measurement method of steam-electric generating set shafting bias |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112066873A (en) * | 2020-07-17 | 2020-12-11 | 沪东中华造船(集团)有限公司 | Centering method of ship main engine and gear box |
| WO2022150864A1 (en) * | 2021-01-15 | 2022-07-21 | Avl List Gmbh | Method for correcting a misalignment of at least one shafting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110763134A (en) | Method for detecting and adjusting misalignment of shafting of turbine generator set | |
| US4899596A (en) | Self-calibrating torque measuring system | |
| CN111380635A (en) | Motor torque ripple test bench and test method | |
| CN105423883A (en) | High-precision detector for automatically detecting coaxiality and jitter of detection bar | |
| CN103968983A (en) | Output torque accurate measurement system and torque measurement method thereof | |
| CN105312964A (en) | Detection method and detection device for rotation precision of precision machine tool spindle | |
| CN107228764A (en) | Precise planetary reducer torsional rigidity and return difference measuring system | |
| CN106768934B (en) | Speed variator gear shift mechanism performance measurement pilot system | |
| CN206073894U (en) | A kind of rotor alignment degree adjusting means of extension type | |
| CN111438516A (en) | Self-rotating base for coupling centering | |
| CN209247237U (en) | A kind of petrochemical industry meter setting calibration equipment | |
| CN108890397B (en) | Long shafting laser boring positioning device | |
| CN203908540U (en) | Gearbox return difference tester | |
| CN114264267B (en) | Ultra-precise angle sensor circumference angle detection system | |
| CN216483692U (en) | Automatic tapping device for metering and detecting pointer type pressure gauge | |
| CN102865807B (en) | Quick measurement method of gear pitch error | |
| CN111735616B (en) | Mechanical automatic dynamic balance brake performance tester inspection bench | |
| CN112798015B (en) | Dynamic angle calibration device | |
| CN211178353U (en) | Infrared induction type workpiece coaxiality measuring device | |
| CN212762484U (en) | Improved ball bar instrument for simultaneously detecting multidimensional errors of machine tool | |
| CN201993191U (en) | Measuring head for accurately detecting moment and linearity of hairspring | |
| CN208042969U (en) | A kind of long shaft coupler concentricity calibration apparatus | |
| CN113221283A (en) | Propeller pitch-phase angle-rotating speed measurement and control test stand and sound wheel design method thereof | |
| CN111174673A (en) | RV speed reducer idle running backlash and torsional rigidity testing arrangement | |
| CN112033296A (en) | Harmonic drive flexible gear radial deformation reconfigurable measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200207 |
|
| RJ01 | Rejection of invention patent application after publication |