CN203731986U - Portable steam turbine differential expansion and axial displacement instrument calibration platform - Google Patents
Portable steam turbine differential expansion and axial displacement instrument calibration platform Download PDFInfo
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- CN203731986U CN203731986U CN201420096757.0U CN201420096757U CN203731986U CN 203731986 U CN203731986 U CN 203731986U CN 201420096757 U CN201420096757 U CN 201420096757U CN 203731986 U CN203731986 U CN 203731986U
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Abstract
The utility model belongs to the field of nuclear power plant instrument error calibration, and specifically relates to a portable steam turbine differential expansion and axial displacement instrument calibration platform which can improve the accuracy and reliability of steam turbine differential expansion and axial displacement instrument calibration. The portable steam turbine differential expansion and axial displacement instrument calibration platform comprises a magnetic base, three locking switches, a guide rail, a dial indicator fixing arm, a translation platform, a translation knob, a displacement platform and rotating platform connecting frame, a rotating platform locking nut, a rotating platform, a rotating platform fixing frame, a displacement platform, a displacement platform locking nut, a spiral micrometer knob, an instrument fixing module connecting bracket, a differential expansion instrument fixing module, an axial displacement instrument fixing module, a dial indicator, a differential expansion instrument, a front-mounted device, a cam and an axial displacement instrument. The portable steam turbine differential expansion and axial displacement instrument calibration platform of the utility model has the following beneficial effects: the gap between the instruments and a large shaft of a steam turbine can be quickly and accurately adjusted, with the error precision less than 0.1mm; the movement stroke of the instruments can be accurately controlled, and the whole stroke can be quickly completed; and at least three axial displacement instruments can be simultaneously calibrated online, thus greatly improving the work efficiency.
Description
Technical field
The invention belongs to nuclear power plant instrument Watch Error verification field, be specifically related to a kind of steam turbine differential expansion and the portable checking table of axial translation instrument.
Background technology
Instrument that every steam turbine of nuclear power station has polylith low pressure (LP) cylinder differential dilatomater, piece high pressure cylinder axle is swollen, piece high pressure cylinder cylinder is swollen instrument and piece axial translation instrument, need carry out verification demarcation during according to the plan steam turbine differential expansion of maintenance program, the each overhaul of axial translation instrument.
Existing instrument check method complex operation, instrument support is fixed by screw and pin, during check meter, need extract pin, then by big nut, drives instrument support to move the relative expansion of model rotor and cylinder and the axial displacement of rotor.The method existent defect is as follows:
1, dismounting instrument support pin takes time and effort, and takies the more main line time during steam turbine instrument check;
2, instrument check support drives support medi-spring to move by big nut, moving process complex operation, and total travel needs approximately 20 minutes consuming time;
3, instrument support shaking amplitude is large during verification, hysterisis error is large, affects instrument check precision.
The present invention aims to provide and a kind ofly improves the verification accuracy of steam turbine differential expansion, axial translation instrument, the steam turbine differential expansion of reliability and the portable checking table of axial translation instrument.
Summary of the invention
Technical matters to be solved by this invention is, for prior art deficiency, to provide a kind of and improve the verification accuracy of steam turbine differential expansion, axial translation instrument, the steam turbine differential expansion of reliability and the portable checking table of axial translation instrument.
The technical solution adopted in the present invention is:
A kind of steam turbine differential expansion and the portable checking table of axial translation instrument, comprise magnetic base, 3 locking switch, guide rail, clock gauge fixed arm, translation stage, translation knob, displacement platform and universal stage link, universal stage set nut, universal stage, universal stage fixed mount, displacement platform, displacement set nut, spiral micrometer knob, instrument stuck-module connection bracket, swollen poor instrument stuck-module, axial translation instrument stuck-module, clock gauge, swollen poor instrument, fore-lying device, cam and axial translation table, wherein, 3 locking switch are located at the side of magnetic base, guide rail is located in magnetic base, described clock gauge fixed arm is located at the one end in magnetic base, universal stage fixed mount is located at the other end of magnetic base, described clock gauge is located on clock gauge fixator, and described guide rail is provided with translation stage, and a side of translation stage is provided with translation knob, described universal stage is fixed on universal stage fixed support, and universal stage set nut is located at universal stage one side, universal stage connection bracket is fixed by screws on universal stage, displacement platform is fixed in universal stage connection bracket by screw, displacement platform is provided with displacement set nut and spiral micrometer knob, the side that displacement platform and universal stage link do not fix is provided with instrument stuck-module connection bracket, and instrument stuck-module connection bracket can be selected fixing swollen poor instrument stuck-module and axial translation instrument stuck-module according to different operating modes.
During the swollen poor instrument of verification, instrument stuck-module connection bracket is installed swollen poor instrument stuck-module, and swollen poor instrument is fixed on swollen difference table stuck-module, and swollen poor instrument is connected with fore-lying device.
During verification axial translation table, axial translation instrument stuck-module is fixed in instrument stuck-module connection bracket, and axial translation table is fixed on axial translation instrument stuck-module, and axial translation table is connected with fore-lying device.
The invention has the beneficial effects as follows:
1. adjust fast and accurately the large shaft clearance of instrument and steam turbine, error precision is less than 0.1mm;
2. the stroke that accurately control instrument moves also can complete total travel fast;
3. can realize at least three axial translations on-line testing simultaneously, increase work efficiency greatly;
Accompanying drawing explanation
Fig. 1 is the portable checking table schematic diagram of steam turbine differential expansion and axial translation instrument;
Fig. 2 is the swollen poor Meter Test vertical view of steam turbine differential expansion and the portable checking table of axial translation instrument;
Fig. 3 is steam turbine differential expansion and the portable checking table axial translation of axial translation instrument table verification vertical view.
In figure: 1-magnetic base; 2-locking switch; 3-guide rail; 4-clock gauge fixed arm; 5-translation stage; 6-translation knob; 7 displacement platforms and universal stage connection bracket-; 8-universal stage set nut; 9-universal stage; 10-universal stage fixed support; 11-displacement platform; 12-displacement platform set nut; 13-micrometer caliper knob; 14-instrument stuck-module connection bracket; 15-is swollen poor instrument stuck-module; 16, axial translation instrument stuck-module; 17-clock gauge; Poor instrument that 18-is swollen; 19: fore-lying device; 20-cam; 21-axial translation instrument.
Embodiment
Below in conjunction with drawings and Examples to a kind of being introduced provided by the invention:
A kind of steam turbine differential expansion and the portable checking table of axial translation instrument, comprise magnetic base 1, 3 locking switch 2, guide rail 3, clock gauge fixed arm 4, translation stage 5, translation knob 6, displacement platform and universal stage link 7, universal stage set nut 8, universal stage 9, universal stage fixed mount 10, displacement platform 11, displacement set nut 12, spiral micrometer knob 13, instrument stuck-module connection bracket 14, swollen poor instrument stuck-module 15, axial translation instrument stuck-module 16, clock gauge 17, swollen poor instrument 18, fore-lying device 19, cam 20 and axial translation table 21, wherein, 3 locking switch 2 are located at the side of magnetic base, guide rail 3 is located in magnetic base 1, described clock gauge fixed arm 4 is located at the one end in magnetic base 1, universal stage fixed mount 10 is located at the other end of magnetic base 1, described clock gauge 17 is located on clock gauge fixator 4, and described guide rail 3 is provided with translation stage 5, and a side of translation stage 5 is provided with translation knob 6, described universal stage 9 is fixed on universal stage fixed support 10, and universal stage set nut 8 is located at universal stage 9 one sides, universal stage connection bracket 7 is fixed by screws on universal stage 9, displacement platform 11 is fixed in universal stage connection bracket 7 by screw, displacement platform 11 is provided with displacement set nut 12 and spiral micrometer knob 13, displacement platform 11 is provided with instrument stuck-module connection bracket 14 with the side that universal stage link 7 does not fix, and instrument stuck-module connection bracket 14 can be selected fixing swollen poor instrument stuck-module 15 and axial translation instrument stuck-module 16 according to different operating modes.
During the swollen poor instrument 18 of verification, instrument stuck-module connection bracket 14 is installed swollen poor instrument stuck-module 15, and swollen poor instrument 18 is fixed on swollen difference table stuck-module 15, and swollen poor instrument 18 is connected with fore-lying device 19.
During verification axial translation table 21, axial translation instrument stuck-module 16 is fixed in instrument stuck-module connection bracket 14, and axial translation table 21 is fixed on axial translation instrument stuck-module 16, and axial translation table 21 is connected with fore-lying device 19.
Magnetic base 1, places it in during verification on steam turbine cylinder, and the locking switch 2 that closes can be fixed on whole checking table on steam turbine cylinder, avoids stand in checking procedure to rock.
Translation stage 5, drives the parts on translation stage 5 to move horizontally on guide rail 3 by translation knob 6, the relative expansion of model rotor and cylinder and the axial displacement of rotor.This mode is simple, quick, and precision is controlled.
Universal stage 9, when universal stage set nut 8 is not locked, can adjust the angle of displacement platform and universal stage connection bracket 7, with this, adjusts the position of swollen poor instrument and the cam rotor depth of parallelism or axial translation instrument stuck-module and axial translation.
Displacement platform 11, when displacement platform set nut 12 is not locked, can adjust by the micrometer caliper knob 13 of 11 sides under displacement platform the verification gap of differential dilatomater and cam rotor.
Embodiment 1
During the instrument of verification steam turbine differential expansion as shown in Figure 2:
1.1, with swollen poor instrument stuck-module 15, swollen poor instrument 18 to be verified is installed;
1.2, portable checking table is placed on steam turbine cylinder, by universal stage 9 and displacement platform 11, adjusts behind the gap between instrument to be verified and cam rotor 20, the locking switch 2 that closes, fixes checking table;
1.3, clock gauge 17 is fixed on checking table by clock gauge fixed arm 4, adjusts clock gauge and make itself and translation stage 5 maintenance levels.
1.4, rotary flat shifter knob 6 model rotors and the relative expansion of cylinder and the axial displacement of rotor, read relative displacement size by clock gauge;
1.5, according to the data of record, judge whether to do online correction, if desired can pass through fore-lying device 19 adjustment.
Embodiment 2
As shown in Figure 3, verification turbine shaft displacement instrument:
2.1, by be shifted instrument stuck-module 16 of axle, axial translation instrument 21 to be verified is installed, six axial translation instrument (as shown in Figure 4) can be installed simultaneously;
2.2, portable checking table is placed on steam turbine cylinder, by universal stage 9 and displacement platform 11, adjusts behind the gap between instrument to be verified and cam rotor, the locking switch 2 that closes, fixes checking table;
2.3, clock gauge 17 is fixed on checking table by clock gauge fixed arm 4, adjusts clock gauge and make itself and translation stage 5 maintenance levels.
2.4, rotary flat shifter knob 6 model rotors and the relative expansion of cylinder and the axial displacement of rotor, read relative displacement size by clock gauge.
2.5, according to the data of record, judge whether to do online correction, if desired can pass through fore-lying device 19 adjustment.
Claims (3)
1. a steam turbine differential expansion and the portable checking table of axial translation instrument, it is characterized in that: comprise magnetic base (1), 3 locking switch (2), guide rail (3), clock gauge fixed arm (4), translation stage (5), translation knob (6), displacement platform and universal stage link (7), universal stage set nut (8), universal stage (9), universal stage fixed mount (10), displacement platform (11), displacement set nut (12), spiral micrometer knob (13), instrument stuck-module connection bracket (14), swollen poor instrument stuck-module (15), axial translation instrument stuck-module (16), clock gauge (17), swollen poor instrument (18), fore-lying device (19), cam (20) and axial translation table (21), wherein, 3 locking switch (2) are located at the side of magnetic base, guide rail (3) is located in magnetic base (1), described clock gauge fixed arm (4) is located at the one end in magnetic base (1), universal stage fixed mount (10) is located at the other end of magnetic base (1), it is upper that described clock gauge (17) is located at clock gauge fixator (4), and described guide rail (3) is provided with translation stage (5), and a side of translation stage (5) is provided with translation knob (6), it is upper that described universal stage (9) is fixed on universal stage fixed support (10), and universal stage set nut (8) is located at universal stage (9) one sides, universal stage connection bracket (7) is fixed by screws on universal stage (9), displacement platform (11) is fixed in universal stage connection bracket (7) by screw, displacement platform (11) is provided with displacement set nut (12) and spiral micrometer knob (13), displacement platform (11) is provided with instrument stuck-module connection bracket (14) with the side that universal stage link (7) does not fix, and instrument stuck-module connection bracket (14) can be selected fixing swollen poor instrument stuck-module (15) and axial translation instrument stuck-module (16) according to different operating modes.
2. a kind of steam turbine differential expansion according to claim 1 and the portable checking table of axial translation instrument, it is characterized in that: during poor instrument that verification is swollen (18), instrument stuck-module connection bracket (14) is installed swollen poor instrument stuck-module (15), it is upper that swollen poor instrument (18) is fixed on swollen difference table stuck-module (15), and swollen poor instrument (18) is connected with fore-lying device (19).
3. a kind of steam turbine differential expansion according to claim 1 and the portable checking table of axial translation instrument, it is characterized in that: during verification axial translation table (21), axial translation instrument stuck-module (16) is fixed in instrument stuck-module connection bracket (14), it is upper that axial translation table (21) is fixed on axial translation instrument stuck-module (16), and axial translation table (21) is connected with fore-lying device (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420096757.0U CN203731986U (en) | 2014-03-04 | 2014-03-04 | Portable steam turbine differential expansion and axial displacement instrument calibration platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420096757.0U CN203731986U (en) | 2014-03-04 | 2014-03-04 | Portable steam turbine differential expansion and axial displacement instrument calibration platform |
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| CN203731986U true CN203731986U (en) | 2014-07-23 |
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| CN201420096757.0U Withdrawn - After Issue CN203731986U (en) | 2014-03-04 | 2014-03-04 | Portable steam turbine differential expansion and axial displacement instrument calibration platform |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104897026A (en) * | 2014-03-04 | 2015-09-09 | 江苏核电有限公司 | Steam turbine differential expansion and shaft displacement instrument portable verifying table |
| CN106989708A (en) * | 2017-03-28 | 2017-07-28 | 大唐彬长发电有限责任公司 | The dynamic check method of steam turbine monitor protection instrument displacement class measuring loop |
| CN107014479A (en) * | 2017-03-28 | 2017-08-04 | 大唐彬长发电有限责任公司 | Steam turbine monitor protection instrument vibrates the dynamic check method of class measuring loop |
| CN107388949A (en) * | 2017-08-15 | 2017-11-24 | 上海发电设备成套设计研究院有限责任公司 | Plagiohedral is swollen poor tester and its method of calibration |
| US10649581B1 (en) | 2011-08-05 | 2020-05-12 | P4tents1, LLC | Devices, methods, and graphical user interfaces for manipulating user interface objects with visual and/or haptic feedback |
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2014
- 2014-03-04 CN CN201420096757.0U patent/CN203731986U/en not_active Withdrawn - After Issue
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| US10656759B1 (en) | 2011-08-05 | 2020-05-19 | P4tents1, LLC | Devices, methods, and graphical user interfaces for manipulating user interface objects with visual and/or haptic feedback |
| US10649581B1 (en) | 2011-08-05 | 2020-05-12 | P4tents1, LLC | Devices, methods, and graphical user interfaces for manipulating user interface objects with visual and/or haptic feedback |
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| CN104897026A (en) * | 2014-03-04 | 2015-09-09 | 江苏核电有限公司 | Steam turbine differential expansion and shaft displacement instrument portable verifying table |
| CN104897026B (en) * | 2014-03-04 | 2018-04-27 | 江苏核电有限公司 | A kind of steam turbine differential expansion and the portable checking table of axial displacement instrument |
| CN106989708A (en) * | 2017-03-28 | 2017-07-28 | 大唐彬长发电有限责任公司 | The dynamic check method of steam turbine monitor protection instrument displacement class measuring loop |
| CN107014479A (en) * | 2017-03-28 | 2017-08-04 | 大唐彬长发电有限责任公司 | Steam turbine monitor protection instrument vibrates the dynamic check method of class measuring loop |
| CN107388949A (en) * | 2017-08-15 | 2017-11-24 | 上海发电设备成套设计研究院有限责任公司 | Plagiohedral is swollen poor tester and its method of calibration |
| CN107388949B (en) * | 2017-08-15 | 2023-06-13 | 上海发电设备成套设计研究院有限责任公司 | Inclined plane type expansion difference calibrator and calibration method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140723 Effective date of abandoning: 20180427 |
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| AV01 | Patent right actively abandoned |