CN106123754B - Steam Turbine steam turbine and generator coupling concentricity measuring device and method - Google Patents
Steam Turbine steam turbine and generator coupling concentricity measuring device and method Download PDFInfo
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- CN106123754B CN106123754B CN201610767316.2A CN201610767316A CN106123754B CN 106123754 B CN106123754 B CN 106123754B CN 201610767316 A CN201610767316 A CN 201610767316A CN 106123754 B CN106123754 B CN 106123754B
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- vertical
- steam turbine
- bar
- cross bar
- dial gauge
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B5/252—Measuring arrangements characterised by the use of mechanical 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
Abstract
A kind of Steam Turbine steam turbine and generator coupling concentricity measuring device, including two cross bars and two vertical bars, it is characterized by: the 1st cross bar (31) one end in two cross bar is equipped with screw thread, the other end welds admittedly with the 1st vertical bar (41) lower part in two vertical bars, 1st vertical bar is dial indicator bracket (4), it is horizontal in the top of 1st vertical bar to be equipped with threaded hole, the 1st Top fastening screw (5) is configured in threaded hole, 1st vertical bar bottom end and one end of the 2nd cross bar (32) in two cross bars are welded admittedly, the middle part of 2nd cross bar is vertically equipped with through-hole, 1st dial gauge (6) built in through-hole, the other end of 2nd cross bar and the upper end of the 2nd vertical bar (42) are welded admittedly, the lower end level of 2nd vertical bar is equipped with through-hole, 2nd dial gauge (7) is set in horizontal through hole.The present invention has concentricity measuring device structure simple, easy to make, the concentric angle value of precise measurement and suitable between all steam turbines and generator the advantages of the adjustment of concentricity of coupling.
Description
Technical field
The present invention relates to a kind of concentricity of coupling measuring devices, specifically, being a kind of Steam Turbine steam turbine and hair
Motor coupler concentricity measuring device and method.
Background technique
Steam turbine generator kludge is extensive, must carry out large repairs after a period of work, needs to re-measure tune in overhaul
Concentricity of coupling between whole turbine rotor and generator amature.Measurement concentricity generally utilizes dial gauge method, and Fig. 1 is
The concentricity testing device structural schematic diagram to dispatch from the factory with steam turbine known, Fig. 2 are the A-A cross-sectional view in Fig. 1, and Fig. 3 is in Fig. 1
B-B cross-sectional view.Screw rod in use, be first stuck in shaft coupling jiggering gear recesses by the concentricity testing device.Hundred will be installed again
Divide bracket and the steel plate installation of table in place.Then the nut of the quiet bracket that dial gauge is fixedly mounted, steel plate.Percentage is finally installed
Table 1 and dial gauge 2, disk move shaft coupling and detect concentricity.The shortcomings that device is that screw rod needs to be stuck in gear recesses, due to tooth
The height for taking turns groove is little, and in jiggering, screw rod is easy to slip out of groove, causes not to be capable of measuring concentricity;Even if not slipping,
Also due to diameter 12mm screw rod is tiny, and it is easily-deformable, cause measurement result inaccurate.
Therefore there is above-mentioned for known Steam Turbine steam turbine and generator coupling concentricity measuring device and method
Various inconvenient and problems.
Summary of the invention
The purpose of the present invention is the Steam Turbine steam turbine and generator coupling concentricity for proposing that one kind is safe and reliable
Measuring device.
The purpose of the present invention is the Steam Turbine steam turbine and generator coupling concentricity for proposing that one kind is safe and reliable
Measurement method.
To achieve the above object, the technical solution of the invention is as follows:
A kind of Steam Turbine steam turbine and generator coupling concentricity measuring device, including two cross bars and two vertical bars,
It is characterized in that:
The 1st cross bar one end in two cross bar is equipped with screw thread, and screw thread is furnished with nut, and the in the other end and two vertical bars the 1st
Vertical bar lower part is welded admittedly, and vertical with the 1st vertical bar, and the 1st vertical bar is dial indicator bracket, and level is equipped with screw thread in the top of the 1st vertical bar
Hole, threaded hole is interior to configure the 1st Top fastening screw, and the 1st vertical bar bottom end and one end of the 2nd cross bar in two cross bars are welded admittedly, and the 1st vertical bar
It is vertical with the 2nd cross bar;The middle part of 2nd cross bar is vertically equipped with through-hole, the 1st dial gauge built in through-hole, the other end of the 2nd cross bar and
The upper end of 2 vertical bars is welded admittedly, and the 2nd cross bar is vertical with the 2nd vertical bar;The lower end level of 2nd vertical bar is equipped with through-hole, sets in horizontal through hole
Set the 2nd dial gauge.
Steam Turbine steam turbine and generator coupling concentricity measuring device of the invention, can also use skill below
Art measure further realizes.
Steam Turbine steam turbine above-mentioned and generator coupling concentricity measuring device, wherein two cross bar is corresponding
The two sides of 1st vertical bar are set.
Steam Turbine steam turbine above-mentioned and generator coupling concentricity measuring device, wherein the bar of the 1st cross bar
The body of rod upper sideline of body lower sideline and the 2nd cross bar is in same straight line.
Steam Turbine steam turbine above-mentioned and generator coupling concentricity measuring device, wherein described in vertical through holes
The 1st dial gauge be held out against by horizontally disposed 3rd Top fastening screw the 1st dial gauge dial plate sleeve it is fixed.
Steam Turbine steam turbine above-mentioned and generator coupling concentricity measuring device, wherein described in horizontal through hole
The 2nd interior dial gauge is the sleeve fixation that the 2nd dial gauge dial plate is held out against by the 2nd vertically arranged Top fastening screw.
A kind of Steam Turbine steam turbine and generator coupling concentricity measurement method, it is characterised in that including following step
It is rapid:
A, the 1st cross bar is stuck in shaft coupling jiggering gear recesses, is thering is screw thread one end to tighten nut to fasten backing plate;
B, the 1st Top fastening screw is tightened so that the bracket of dial gauge holds out against jiggering gear;
C, the 1st dial gauge and the 2nd dial gauge are installed;
D, disk moves shaft coupling between steam turbine and generator, rotates shaft coupling, with conventional method read the 1st dial gauge,
The reading of 2nd dial gauge measures the concentricity of shaft coupling.
After adopting the above technical scheme, Steam Turbine steam turbine of the invention and generator coupling concentricity measuring device
And method has the advantage that
1, concentricity measuring device structure is simple, easy to make, wherein backing plate, dial gauge mounting rack Q345 steel plate,
Q235 steel plate can make, and screw, screw rod, dial gauge are standard components, can directly buy, thus device is easy to make, side
Method is easily achieved;
2, the device for measuring concentricity can be fixedly mounted on shaft coupling, be convenient for the concentric angle value of precise measurement;
3, the measurement method for measuring concentricity is simple, convenient for operation, at low cost, be suitable for all steam turbines and generator it
Between concentricity of coupling adjustment.
Detailed description of the invention
Fig. 1 is the known concentricity testing device structural schematic diagram to dispatch from the factory with steam turbine;
The status diagram when concentricity testing device of Fig. 2 Fig. 1 uses;
Fig. 3 is the concentricity testing device structural schematic diagram of the embodiment of the present invention;
Fig. 4 is the A-A cross-sectional view in Fig. 3;
Fig. 5 is the B-B cross-sectional view in Fig. 3;
Fig. 6 is the use state diagram of the concentricity testing device of the embodiment of the present invention.
In figure: 1 nut, 2 backing plates, 3 screw rods, 31 the 1st cross bars, 32 the 2nd cross bars, 4 dial indicator brackets, 41 the 1st vertical bars, 42
2 vertical bars, 5 the 1st Top fastening screws, 6 the 1st dial gauges, 7 the 2nd dial gauges, 8 the 2nd Top fastening screws, 9 the 3rd Top fastening screws, 10 steam turbines
Armature spindle, 11 steamer pusher side half a couplers, 12 jiggering gears, 13 generator side half a couplers, 14 generator rotor shafts, 15 pads
Piece, 16 steel plates.
Specific embodiment
With reference to embodiments and its attached drawing further explains the present invention.
Embodiment 1
Steam Turbine steam turbine and generator coupling concentricity measuring device of the invention, including two cross bars and two erect
Bar.
It is the concentricity testing device structural schematic diagram of the embodiment of the present invention, Fig. 4 Fig. 3 referring now to Fig. 3-Fig. 5, Fig. 3
In A-A cross-sectional view, Fig. 5 be Fig. 3 in B-B cross-sectional view.As shown, 31 one end of the 1st cross bar in two cross bar is equipped with
Screw thread, screw thread are furnished with nut 1, and the other end welds admittedly with 41 lower part of the 1st vertical bar in two vertical bars, and vertical with the 1st vertical bar, and the 1st is perpendicular
Bar is that level is equipped with threaded hole in the top of the 4, the 1st vertical bar of dial indicator bracket, the 1st Top fastening screw 5 is configured in threaded hole, the 1st is perpendicular
Bar bottom end and one end of the 2nd cross bar 32 in two cross bars are welded admittedly, and the 1st vertical bar is vertical with the 2nd cross bar;The middle part of 2nd cross bar is perpendicular
To through-hole is equipped with, the 1st dial gauge 6 built in through-hole, the upper end of the other end and the 2nd vertical bar 42 of the 2nd cross bar is welded admittedly, and the 2nd cross bar
It is vertical with the 2nd vertical bar;The lower end level of 2nd vertical bar is equipped with through-hole, and the 2nd dial gauge 7 is arranged in horizontal through hole.The two cross bars phase
It is correspondingly arranged at the two sides of the 1st vertical bar.The body of rod upper sideline of the body of rod lower sideline of 1st cross bar and the 2nd cross bar is in same
Straight line.
Fig. 4 is the A-A cross-sectional view in Fig. 3, and the 2nd dial gauge 7 in horizontal through hole is to hold out against spiral shell by the vertically arranged the 2nd
What the sleeve that nail 8 holds out against 7 dial plate of the 2nd dial gauge was fixed.
Fig. 5 is the B-B cross-sectional view in Fig. 3, and the 1st dial gauge 6 in vertical through holes is to hold out against spiral shell by the horizontally disposed 3rd
What the sleeve that nail 9 holds out against 6 dial plate of the 1st dial gauge was fixed.
Embodiment 2
Steam Turbine steam turbine and generator coupling concentricity measurement method of the invention, comprising the following steps:
A, the 1st cross bar 31 of diameter 24mm is stuck in shaft coupling jiggering gear recesses, have screw thread one end tighten nut 1 with
Fasten backing plate 2;
B, the 1st Top fastening screw 5 is tightened so that the bracket 4 of dial gauge holds out against jiggering gear 12;
C, the 1st dial gauge 6 and the 2nd dial gauge 7 are installed;
D, disk moves shaft coupling between steam turbine and generator, rotates shaft coupling, with conventional method read the 1st dial gauge,
The reading of 2nd dial gauge makes the measuring head of the 1st dial gauge 6 and the 2nd dial gauge 7 measure generator side half a coupler side respectively
With end surface shape and location error, that is, measure the concentricity of shaft coupling.
The present invention has substantive distinguishing features and significant technological progress, and Steam Turbine steam turbine of the invention and generator join
Axis device concentricity measuring device and method improve the concentricity testing device structure dispatched from the factory with steam turbine, make measuring device knot
Structure is simple, and measurement method is convenient for operation, suitable for the adjustment of concentricity of coupling between all steam turbines and generator, has wide
General applicability.
Above embodiments are used for illustrative purposes only, rather than limitation of the present invention, the technology people in relation to technical field
Member, without departing from the spirit and scope of the present invention, can also make various transformation or variation.Therefore, all equivalent
Technical solution also should belong to scope of the invention, should be limited by each claim.
Claims (2)
1. a kind of Steam Turbine steam turbine and generator coupling concentricity measuring device, including two cross bars and two vertical bars, special
Sign is:
The 1st cross bar (31) one end in two cross bar is equipped with screw thread, and screw thread is furnished with nut (1), in the other end and two vertical bars
1st vertical bar (41) lower part is welded admittedly, and vertical with the 1st vertical bar, and the 1st vertical bar is dial indicator bracket (4), the top Nei Shui of the 1st vertical bar
It is flat to be equipped with threaded hole, the 1st Top fastening screw (5) is configured in threaded hole, the 2nd cross bar (32) in the 1st vertical bar bottom end and two cross bars
One end is welded admittedly, and the 1st vertical bar is vertical with the 2nd cross bar;The middle part of 2nd cross bar is vertically equipped with through-hole, the 1st dial gauge built in through-hole
(6), the other end of the 2nd cross bar and the upper end of the 2nd vertical bar (42) are welded admittedly, and the 2nd cross bar is vertical with the 2nd vertical bar;Under 2nd vertical bar
End is horizontal to be equipped with through-hole, the 2nd dial gauge (7) is arranged in horizontal through hole, two cross bar is corresponding to be arranged in the two of the 1st vertical bar
Side, the body of rod lower sideline of the 1st cross bar and the body of rod upper sideline of the 2nd cross bar are in same straight line, the 1st percentage in vertical through holes
Table (6) is the sleeve fixation that the 1st dial gauge (6) dial plate is held out against by horizontally disposed 3rd Top fastening screw (9), in horizontal through hole
The 2nd interior dial gauge (7) is the sleeve fixation that the 2nd dial gauge (7) dial plate is held out against by the 2nd vertically arranged Top fastening screw (8).
2. a kind of steam turbine of Steam Turbine steam turbine and generator coupling concentricity measuring device as described in claim 1
Group steam turbine and generator coupling concentricity measurement method, it is characterised in that the following steps are included:
A, the 1st cross bar (31) is stuck in shaft coupling jiggering gear recesses, is thering is screw thread one end to tighten nut (1) to fasten pad
Plate (2);
B, the 1st Top fastening screw (5) is tightened so that the bracket (4) of dial gauge holds out against jiggering gear (12);
C, the 1st dial gauge (6) and the 2nd dial gauge (7) are installed;
D, disk moves shaft coupling between steam turbine and generator, rotates shaft coupling, reads the 1st dial gauge, the 200th with conventional method
The reading for dividing table, that is, measure the concentricity of shaft coupling.
Priority Applications (1)
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CN201610767316.2A CN106123754B (en) | 2016-08-31 | 2016-08-31 | Steam Turbine steam turbine and generator coupling concentricity measuring device and method |
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CN201610767316.2A CN106123754B (en) | 2016-08-31 | 2016-08-31 | Steam Turbine steam turbine and generator coupling concentricity measuring device and method |
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CN106123754A CN106123754A (en) | 2016-11-16 |
CN106123754B true CN106123754B (en) | 2019-01-11 |
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Families Citing this family (4)
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CN107401971B (en) * | 2017-07-26 | 2019-06-28 | 中国化学工程第三建设有限公司 | A method of improving Large-scale machine set shaft assignment dial framework measurement accuracy |
CN109434443A (en) * | 2018-11-27 | 2019-03-08 | 江苏核电有限公司 | A kind of power station diesel generating set centralising device |
CN112682104B (en) * | 2020-12-25 | 2022-11-18 | 福建福清核电有限公司 | Bolt installation method for steam turbine coupling in nuclear power plant |
CN114396857A (en) * | 2021-12-28 | 2022-04-26 | 沈阳德瓦特汽轮动力有限责任公司 | Device for finding concentricity of rotor and outer cylinder under steam turbine cylinder closing state |
Citations (5)
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JP2002122406A (en) * | 2000-10-12 | 2002-04-26 | Toa Kogyo Kk | Centering jig of coupling |
CN204313736U (en) * | 2014-12-21 | 2015-05-06 | 昆明钢铁集团有限责任公司 | A kind of pick-up unit being applicable to different size steam turbine centering |
CN204788122U (en) * | 2015-05-28 | 2015-11-18 | 中国石油天然气股份有限公司长庆石化分公司 | Centering inspection device |
CN205102729U (en) * | 2015-11-16 | 2016-03-23 | 中国能源建设集团黑龙江省火电第三工程有限公司 | Shaft coupling alignment integrated form specialized tool |
CN205957885U (en) * | 2016-08-31 | 2017-02-15 | 五冶集团上海有限公司 | A turbine unit steam turbine and a concentric measuring device of motor coupling |
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2016
- 2016-08-31 CN CN201610767316.2A patent/CN106123754B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002122406A (en) * | 2000-10-12 | 2002-04-26 | Toa Kogyo Kk | Centering jig of coupling |
CN204313736U (en) * | 2014-12-21 | 2015-05-06 | 昆明钢铁集团有限责任公司 | A kind of pick-up unit being applicable to different size steam turbine centering |
CN204788122U (en) * | 2015-05-28 | 2015-11-18 | 中国石油天然气股份有限公司长庆石化分公司 | Centering inspection device |
CN205102729U (en) * | 2015-11-16 | 2016-03-23 | 中国能源建设集团黑龙江省火电第三工程有限公司 | Shaft coupling alignment integrated form specialized tool |
CN205957885U (en) * | 2016-08-31 | 2017-02-15 | 五冶集团上海有限公司 | A turbine unit steam turbine and a concentric measuring device of motor coupling |
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