CN106932470A - A kind of probe drive device for steam generator heat-transfer pipe vortex detection - Google Patents
A kind of probe drive device for steam generator heat-transfer pipe vortex detection Download PDFInfo
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- CN106932470A CN106932470A CN201511027248.8A CN201511027248A CN106932470A CN 106932470 A CN106932470 A CN 106932470A CN 201511027248 A CN201511027248 A CN 201511027248A CN 106932470 A CN106932470 A CN 106932470A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9013—Arrangements for scanning
- G01N27/902—Arrangements for scanning by moving the sensors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The invention belongs to nuclear power station steam generator heat-transfer pipe Dynamic Non-Destruction Measurement, a kind of probe drive device for steam generator heat-transfer pipe vortex detection is specifically disclosed, including main transmission box and rotary drive case, main transmission box is provided with the first final drive shaft and the second final drive shaft, rotary drive case is provided with the first rotating drive shaft and the second rotating drive shaft, above-mentioned four power transmission shafts are arranged into " X " type, and engaged by gear with power transmission shaft, the power transmission shaft is located in main transmission box and rotary drive case, bevel gear, bevel gear connection drive mechanism are fixed on power transmission shaft；Power transmission shaft drives main drive gear and rotary transmission gear to rotate simultaneously, the final drive shaft of main transmission box and the rotating drive shaft of rotary drive case is thus driven to rotate simultaneously, and rotary drive case simultaneously can be relative to main transmission box unitary rotation, probe is arranged on power transmission shaft, realizes collection of the device to heat-transfer pipe vortex signal.
Description
Technical field
The invention belongs to nuclear power station steam generator heat-transfer pipe Dynamic Non-Destruction Measurement, and in particular to a kind of transmission device of steam generator heat-transfer pipe vortex detecting probe.
Background technology
In nuclear power station, steam generator heat-transfer pipe is capital equipment and the pressure boundary of reactor cooling system of nuclear power station, and its pressure boundary area accounts for more than the 70% of primary Ioops border.The light-wall pipe of 1mm or so is due to heat-transfer pipe, and operating condition is very severe, so heat-transfer pipe is primary Ioops pressure boundary link the weakest.International nuclear power operational data statistics shows, about more than 50% is occurring the different degrees of breakage of heat-transfer pipe with steam generator.Each nuclear power country is regular to steam generator heat-transfer pipe both at home and abroad implements preservice inspection and inservice inspection.
In steam generator heat-transfer pipe vortex inspection, the collection of eddy current signal is carried out during eddy current probe is needed through heat-transfer pipe, and probe is pulled back to heat-transfer pipe.Therefore need to design a kind of drive mechanism of the eddy current probe that disclosure satisfy that above-mentioned requirements.
The content of the invention
Present invention aim at a kind of probe drive device for steam generator heat-transfer pipe vortex detection is provided, during eddy current probe passes through heat-transfer pipe, the device carries out the collection of eddy current signal to heat-transfer pipe.
Technical scheme is as follows：
A kind of probe drive device for steam generator heat-transfer pipe vortex detection, including main transmission box and rotary drive case, described rotary drive case can relative to main transmission box, rotate about center rotating, described main transmission box is provided with the first final drive shaft and the second final drive shaft, described rotary drive case is located between the first final drive shaft and the second final drive shaft, pivot is the centre position of the first final drive shaft and the second final drive shaft, and the side of rotary drive case retains certain interval respectively with the first described final drive shaft and the second final drive shaft；Described rotary drive case is provided with the first rotating drive shaft and the second rotating drive shaft, and the midpoint of the first rotating drive shaft and the second rotating drive shaft line is pivot；Described the first final drive shaft, the second final drive shaft, the first rotating drive shaft and the second rotating drive shaft stretch out casing and into " X " type arrangement, and the end of 4 power transmission shafts is distributed on 4 summits of " X "；
Also include the power transmission shaft that can be rotated, a described power transmission shaft part is in main transmission box, another part is in rotary drive case, the two ends of power transmission shaft are installed with main drive gear and rotary transmission gear respectively, described main drive gear is engaged respectively with the first main drive gear being fixed on the first final drive shaft, the main transmission idler gear in main transmission box, while described main transmission idler gear is engaged with the second main drive gear for being fixed at the second final drive shaft top；Described rotary transmission gear is engaged respectively with the second swing pinion, the rotation idler gear in rotary drive case that are fixed on the second described rotating drive shaft respectively, while described rotation idler gear is engaged with the first swing pinion being fixed on the first described rotating drive shaft.
In a kind of above-mentioned probe drive device for steam generator heat-transfer pipe vortex detection：Mounting groove is machined with described main transmission box, projecting ends are machined with rotary drive case, projecting ends are arranged in the mounting groove on main transmission box by bearing.
In a kind of above-mentioned probe drive device for steam generator heat-transfer pipe vortex detection：Described rotary drive case is externally provided with cylinder, drives and is rotated relative to main transmission box.
In a kind of above-mentioned probe drive device for steam generator heat-transfer pipe vortex detection：Described power transmission shaft is provided with bevel gear, described bevel gear connection drive mechanism.
In a kind of above-mentioned probe drive device for steam generator heat-transfer pipe vortex detection：Probe is equipped with described the first final drive shaft, the second final drive shaft, the first rotating drive shaft and the second rotating drive shaft, probe is externally provided with rubber wheel.
In a kind of above-mentioned probe drive device for steam generator heat-transfer pipe vortex detection：In described " X " type arrangement, the adjacent final drive shaft in top and rotating drive shaft are externally provided with upper pressure wheel cover, the adjacent final drive shaft in lower section and rotating drive shaft are externally provided with and push wheel cover, described upper pressure wheel cover and push the power transmission shaft encirclement that wheel cover arranges " X " type.
The beneficial effects of the present invention are：
By designing power transmission shaft, the main drive gear and rotary transmission gear that drive is connected with power transmission shaft are rotated simultaneously, the final drive shaft of main transmission box and the rotating drive shaft of rotary drive case is thus driven to rotate simultaneously, and because main transmission box and rotary drive axle box bearing are installed, rotary drive case is driven to rotate by cylinder or other driving structures, then rotary drive case can small range be rotated between the first power transmission shaft and second driving shaft by the driving sleeve that is fixedly connected with main transmission box.While i.e. rotary drive case is relative to main transmission box unitary rotation, two final drive shafts and two rotating drive shafts are arranged in X-type, and are rotated simultaneously.
If installing rubber wheel on power transmission shaft and rotating drive shaft, probe in rubber wheel envelope installation axle, by adjusting rotary drive case relative to the angle that main transmission box is rotated, the thrust between adjacent rubber wheel can then be adjusted, rubber wheel is set to compress probe, in case eddy current probe goes out to extrude and bending damage from rubber wheel.
If being arranged on outside rubber wheel in upper lower pressure wheel cover, upper pressure wheel cover and push wheel cover and surround the power transmission shaft that X-type arrange, protection rubber wheel and probe.Drive rotary drive case to be rotated relative to main transmission box in addition, upper pressure wheel cover and push the structure both sides that wheel cover surrounds and open respectively, upper lower pressure wheel cover opens space, can rapidly by internal rubber wheel and probe replacing.
Brief description of the drawings
Fig. 1 a are a kind of probe drive device schematic diagram for steam generator heat-transfer pipe vortex detection；
Fig. 1 b are main transmission box, rotary drive case position and X-type arrangement schematic diagram；
Fig. 2 is main transmission box internal structure schematic diagram；
Fig. 3 is rotary drive case internal structure schematic diagram；
Fig. 4 is upper lower pressure wheel cover schematic diagram；
In figure：1. main transmission box；2. rotary drive case；3. the first final drive shaft；4. the second final drive shaft；5. the first rotating drive shaft；6. the second rotating drive shaft；7. main transmission box end cap；8. power transmission shaft；9. bevel gear；10. the first sleeve；11. second sleeves；12. rotary drive case end caps；13. main transmission idler gears；14. first main drive gears；15. second main drive gears；16. main drive gears；17. rotary transmission gears；18. first axle sleeves long；19. second axle sleeves long；20. driving sleeves；21. first swing pinions；22. second swing pinions；23. rotation idler gears；24. upper pressure wheel covers；25. push wheel cover；26. cylinders.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail to the present invention.
As illustrated in figs. 1A and ib, transmission device includes main transmission box 1 and rotary drive case 2, two final drive shafts 3,4 are installed on main transmission box 1, the described middle part of rotary drive case 2 is located between above-mentioned the first final drive shaft 3 and the second final drive shaft 4, and pivot is the centre position of the first final drive shaft 3 and the second final drive shaft 4.The side of rotary drive case 2 retains certain interval respectively with the first above-mentioned final drive shaft 3 and the second final drive shaft 4, so that rotary drive case 2 is around pivot, and the small range between the first final drive shaft 3 and the second final drive shaft 4 is rotated, the scope of rotational angle is constrained by gap length, and general rotational angle is 10 °~12 °
Two rotating drive shafts 5,6 are installed, the first final drive shaft 3, the second final drive shaft 4, the first rotating drive shaft 5 and the second rotating drive shaft 6 form " X " type arrangement, and the end of 4 power transmission shafts is distributed on 4 summits of " X " on rotary drive case 2.
As shown in Fig. 2 being machined with mounting groove on main transmission box 1, projecting ends are machined with rotary drive case 2, projecting ends are arranged in the mounting groove on main transmission box 1 by bearing, i.e., rotary drive case 2 can be rotated around by projecting ends relative to main transmission box 1.
Mounting hole is machined with mounting groove, and projecting ends are machined with mounting hole.It is provided with main transmission box 1 and in rotary drive case 2 outside power transmission shaft 8, power transmission shaft 8 and is set with bevel gear 9 and driving sleeve 20.Power transmission shaft 8 is engaged with bevel gear 9.
Driving sleeve 20 is realized installing by the cooperation of the mounting hole of above-mentioned mounting groove and projecting ends, the part of power transmission shaft 8 is located in main transmission box 1, end is connected with the bearing of main transmission box end cap 7, and another part is located in rotary drive case 2, and end realizes that bearing is connected with rotary drive case end cap 12.The part that power transmission shaft 8 is located in main transmission box 1 is installed with main drive gear 16, and the part that power transmission shaft 8 is located in rotary drive case 2 is installed with rotary transmission gear 17.Power transmission shaft 8 and the bearing of driving sleeve 20 are connected, driving sleeve 20 and the bearing of rotary drive case 2 are connected, driving sleeve 20 is fixedly mounted with main transmission box 1, therefore above-mentioned power transmission shaft 8 can be rotated in driving sleeve 20, driving sleeve 20 can be rotated in rotary drive case 2, and power transmission shaft 8 is rotated relative to the main transmission box 1 being fixedly connected with driving sleeve 20.
Final drive shaft has two, is the first final drive shaft 3 and the second final drive shaft 4, and both are located at the both sides of power transmission shaft 8, are symmetrically installed with respect to power transmission shaft 8.First final drive shaft 3 is outer by bearing the first axle sleeve long 18 of installation, the first described axle sleeve long 18 is fixedly mounted with main transmission box 1, the first main drive gear 14 is fixedly mounted on first final drive shaft 3, and the bottom of the first final drive shaft 3 is connected with the bearing of main transmission box end cap 7.Main transmission box 1 is stretched out in the described part of the first axle sleeve long 18, and the first axle sleeve long 18 is stretched out in the described part of the first final drive shaft 3, and extension bearing installs the first sleeve 10, and the first sleeve 10 is fixedly connected with the first axle sleeve long 18.The installation of the second final drive shaft 4 is identical with the installation of the first final drive shaft 3.Second final drive shaft 4 is outer by bearing the second axle sleeve long 19 of installation, and the second axle sleeve long 19 is stretched out in part, and extension bearing installs second sleeve 11, and second sleeve 11 is fixedly connected with the second axle sleeve long 19.Main transmission box 1 is stretched out in the part of second axle sleeve long 19, and is fixedly mounted with main transmission box 1.The second main drive gear 15 is fixedly mounted on second final drive shaft 4, the bottom of the second final drive shaft 4 is connected with the bearing of main transmission box end cap 7.
The meshing relation of gear：Intermediate gear shaft is installed between the final drive shaft 4 of power transmission shaft 8 and second, main transmission idler gear 13 is installed by the gear shaft, main transmission idler gear 13 is engaged with the above-mentioned main drive gear 15 of main drive gear 16 and second respectively.Above-mentioned main drive gear 16 is engaged with the first above-mentioned main drive gear 14.
Driving bevel gear 9, the power transmission shaft 8 that drive is engaged with bevel gear 9 is rotated, main drive gear 16 is driven to rotate, the first main drive gear 14 and main transmission idler gear 13 are engaged with so as to drive, main transmission idler gear 13 drives the second main drive gear 15 to rotate, therefore drives the first final drive shaft 3 and the second final drive shaft 4 to rotate.The rotation of power transmission shaft 8 simultaneously is also rotated travelling gear 17 and rotates.And from above-mentioned meshing relation, due to devising main transmission idler gear 13, first final drive shaft 3 is with the rotation direction of the second final drive shaft 4 conversely, the second final drive shaft 4 is consistent with the rotation direction of power transmission shaft 8, and the first final drive shaft 3 is opposite with the rotation direction of power transmission shaft 8.
As shown in figure 3, in the both sides of power transmission shaft 8 that are located at of the first rotating drive shaft 5 and the second rotating drive shaft 6 of rotary drive case 2, being symmetrically installed relative to power transmission shaft 8.First rotating drive shaft 5 is installed by bearing respectively with rotary drive case end cap 12 and rotary drive case 2, and lower end fixedly mounts the first swing pinion 21, and rotary drive case end cap 12 is stretched out in the part of the first rotating drive shaft 5.Second rotating drive shaft 6 is installed by bearing respectively with rotary drive case end cap 12 and rotary drive case 2, and lower end fixedly mounts the second swing pinion 22, and rotary drive case end cap 12 is stretched out in the part of the second rotating drive shaft 6.
Intermediate gear shaft is installed between the first rotating drive shaft 5 and power transmission shaft 8, the gear shaft is connected by bearing with rotary drive case 2, gear shaft fixed installation rotation idler gear 23.
The meshing relation of gear：Above-mentioned rotation idler gear 23 is engaged respectively with first swing pinion 21 and power transmission shaft 8 of both sides, and the above-mentioned swing pinion 22 of power transmission shaft 8 and second is engaged.
After driving power transmission shaft 8 that the rotation of travelling gear 17 is rotated, due to the engagement of gear, rotation idler gear 23 is rotated, the second swing pinion 22 is rotated simultaneously, rotation idler gear 23 drives the first swing pinion 21 being engaged with to rotate, therefore the first rotating drive shaft 5 and the second rotating drive shaft 6 are rotated simultaneously.And as two rotation relations of final drive shaft in above-mentioned main transmission box 1, due to devising rotation idler gear 23, therefore the rotation direction of the first rotating drive shaft 5 and the second rotating drive shaft 6 is opposite, and first rotating drive shaft 5 it is identical with the rotation direction of power transmission shaft 8, the second rotating drive shaft 6 is opposite with the rotation direction of power transmission shaft 8.
The drive connection of whole device is：Second final drive shaft 4 is consistent with the rotation direction of power transmission shaft 8, and the first final drive shaft 3 is opposite with the rotation direction of power transmission shaft 8.First rotating drive shaft 5 is identical with the rotation direction of power transmission shaft 8, and the second rotating drive shaft 6 is opposite with the rotation direction of power transmission shaft 8.
Probe is installed on power transmission shaft and rotating drive shaft, probe is outer to install rubber wheel, probe in rubber wheel envelope installation axle, by adjusting rotary drive case relative to the angle that main transmission box is rotated, the thrust between adjacent rubber wheel can then be adjusted, rubber wheel is set to compress probe, in case eddy current probe goes out to extrude and bending damage from rubber wheel.
As shown in figure 4, installing upper pressure wheel cover 24 in the top of the second final drive shaft 4 and the second rotating drive shaft 6, installed in the lower section of the first final drive shaft 3 and the first rotating drive shaft 5 and push wheel cover 25, upper lower pressure wheel cover 24,25 is arranged on the outside of rubber wheel.Upper pressure wheel cover 24 and push the power transmission shaft encirclement that wheel cover 25 arranges " X " type, when cylinder 26 drives rotary drive case 2 to be rotated relative to main transmission box 1, upper pressure wheel cover 24 and push the structure both sides that wheel cover 25 surrounds and open respectively, upper lower pressure wheel cover opens space, rapidly can change internal rubber wheel and probe.
Claims (6)
1. a kind of probe drive device for steam generator heat-transfer pipe vortex detection, including main transmission box (1)
With rotary drive case (2), described rotary drive case (2) can be relative to main transmission box (1), around its rotation
Turn center rotating, it is characterised in that：Described main transmission box (1) be provided with the first final drive shaft (3) and
Second final drive shaft (4), described rotary drive case (2) is led positioned at the first final drive shaft (3) and second
Between power transmission shaft (4), pivot is the centre of the first final drive shaft (3) and the second final drive shaft (4)
Position, the side of rotary drive case (2) and described the first final drive shaft (3) and the second final drive shaft (4)
Retain certain interval respectively；Described rotary drive case (2) is provided with the first rotating drive shaft (5) and
The midpoint of two rotating drive shafts (6), the first rotating drive shaft (5) and the second rotating drive shaft (6) line
It is pivot；Described the first final drive shaft (3), the second final drive shaft (4), the first rotating drive shaft
(5) stretch out casing and arranged into " X " type, 4 ends of power transmission shaft with the second rotating drive shaft (6)
It is distributed on 4 summits of " X "；
Also include the power transmission shaft (8) that can be rotated, described power transmission shaft (8) part is located at main transmission box (1)
Interior, in rotary drive case (2), the two ends of power transmission shaft (8) are installed with master to another part respectively
Travelling gear (16) and rotary transmission gear (17), described main drive gear (16) be fixed at first
The first main drive gear (14) on final drive shaft (3), the main transmission idler gear in main transmission box (1)
(13) engage respectively, at the same described main transmission idler gear (13) be fixed at the second final drive shaft
(4) the second main drive gear (15) engagement on top；Described rotary transmission gear (17) respectively with it is solid
Fixed the second swing pinion (22) on described the second rotating drive shaft (6), located at rotary drive case
(2) the rotation idler gear (23) in is engaged respectively, at the same described rotation idler gear (23) with it is solid
It is fixed that located at the first described rotating drive shaft, (the first swing pinion (21) on 50 is engaged.
2. a kind of probe for steam generator heat-transfer pipe vortex detection as claimed in claim 1 is driven dress
Put, it is characterised in that：Mounting groove is machined with described main transmission box (1), is processed on rotary drive case (2)
There are projecting ends, projecting ends are arranged in the mounting groove on main transmission box (1) by bearing.
3. a kind of probe for steam generator heat-transfer pipe vortex detection as claimed in claim 1 is driven dress
Put, it is characterised in that：Described rotary drive case (2) is externally provided with cylinder, drives relative to main transmission box (1)
Rotate.
4. a kind of probe for steam generator heat-transfer pipe vortex detection as claimed in claim 1 is driven dress
Put, it is characterised in that：Described power transmission shaft (8) is provided with bevel gear (9), described bevel gear (9)
Connection drive mechanism.
5. as claimed in any one of claims 1 to 5, wherein it is a kind of for steam generator heat-transfer pipe vortex detection
Probe drive device, it is characterised in that：Described the first final drive shaft (3), the second final drive shaft (4),
Probe is equipped with first rotating drive shaft (5) and the second rotating drive shaft (6), probe is externally provided with rubber
Wheel.
6. a kind of probe for steam generator heat-transfer pipe vortex detection as claimed in claim 5 is driven dress
Put, it is characterised in that：In described " X " type arrangement, top adjacent final drive shaft and rotating drive shaft
Upper pressure wheel cover (24) is externally provided with, the adjacent final drive shaft in lower section and rotating drive shaft are externally provided with and push wheel cover (25),
Described upper pressure wheel cover (24) and push the power transmission shaft that wheel cover (25) arranges " X " type and surround.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511027248.8A CN106932470B (en) | 2015-12-31 | 2015-12-31 | Probe transmission device for vortex detection of heat transfer tube of steam generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511027248.8A CN106932470B (en) | 2015-12-31 | 2015-12-31 | Probe transmission device for vortex detection of heat transfer tube of steam generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106932470A true CN106932470A (en) | 2017-07-07 |
| CN106932470B CN106932470B (en) | 2023-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511027248.8A Active CN106932470B (en) | 2015-12-31 | 2015-12-31 | Probe transmission device for vortex detection of heat transfer tube of steam generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106932470B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932471A (en) * | 2015-12-31 | 2017-07-07 | 核动力运行研究所 | A kind of probe drive device for steam generator heat-transfer pipe vortex detection |
| CN110375630A (en) * | 2019-07-23 | 2019-10-25 | 杭州申昊科技股份有限公司 | The adjustment structure of current vortex sensor |
| WO2020047961A1 (en) * | 2018-09-05 | 2020-03-12 | 中国电建集团山东电力建设第一工程有限公司 | Probe driving device and method for condenser cooling pipe outside-in penetrating-type eddy current detection |
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| CN204302228U (en) * | 2014-12-30 | 2015-04-29 | 中核武汉核电运行技术股份有限公司 | The probe retracting device that a kind of steam generator heat-transfer pipe vortex detects |
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| CN205538827U (en) * | 2015-12-31 | 2016-08-31 | 核动力运行研究所 | A probe transmission for steam generator tubes eddy current inspection |
| CN106932471A (en) * | 2015-12-31 | 2017-07-07 | 核动力运行研究所 | A kind of probe drive device for steam generator heat-transfer pipe vortex detection |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932471A (en) * | 2015-12-31 | 2017-07-07 | 核动力运行研究所 | A kind of probe drive device for steam generator heat-transfer pipe vortex detection |
| CN106932471B (en) * | 2015-12-31 | 2023-12-15 | 核动力运行研究所 | Probe driving device for vortex detection of heat transfer tube of steam generator |
| WO2020047961A1 (en) * | 2018-09-05 | 2020-03-12 | 中国电建集团山东电力建设第一工程有限公司 | Probe driving device and method for condenser cooling pipe outside-in penetrating-type eddy current detection |
| CN110375630A (en) * | 2019-07-23 | 2019-10-25 | 杭州申昊科技股份有限公司 | The adjustment structure of current vortex sensor |
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| Publication number | Publication date |
|---|---|
| CN106932470B (en) | 2023-08-18 |
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