CN101650979B - Method and device for adjusting position degree of positioning and supporting structure of irradiation monitoring pipe - Google Patents
Method and device for adjusting position degree of positioning and supporting structure of irradiation monitoring pipe Download PDFInfo
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- CN101650979B CN101650979B CN200910169942A CN200910169942A CN101650979B CN 101650979 B CN101650979 B CN 101650979B CN 200910169942 A CN200910169942 A CN 200910169942A CN 200910169942 A CN200910169942 A CN 200910169942A CN 101650979 B CN101650979 B CN 101650979B
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- monitoring pipe
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- irradiation monitoring
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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 provides a method and a device for adjusting position degree of a positioning and supporting structure of an irradiation monitoring pipe. In the method, a plurality of position degree adjusting washers are arranged between a cradle cylinder body and an irradiation monitoring pipe bracket; the contact surface of each position degree adjusting washer and the cradle cylinder body is a cambered surface, the contact surface of each position degree adjusting washer and the irradiation monitoring pipe bracket is a plane; and the position degree adjusting washers arranged at different positions have different thicknesses. The method can ensure that the position degree of the center of the positioning and supporting structure of the irradiation monitoring pipe and centers of a cradle flange and a hoisting hole is within 1 mm. The measurement reference device better solves the engineering difficulty of virtualization of measurement and installation reference, and effectively enables the virtual measurement and installation reference to be instantiated.
Description
Technical field
The present invention relates to the nuclear power plant equipment service technique, be specifically related to the irradiation monitoring pipe positioning supports locations of structures degree method of adjustment and the device that when pressurized-water reactor nuclear power plant is changed through the irradiation pipe holder behind the irradiation, adopt.
Background technology
Irradiation monitoring pipe is positioned in the irradiation monitoring pipe positioning supports structure, and irradiation monitoring pipe positioning supports structure is fixed on the cradle cylinder body outer wall.Irradiation monitoring pipe is used for the monitoring pressure container cylindrical shell and receives neutron irradiation and thermal environment to influence the changes in material properties that is caused over against the material of active region.According to " irradiation outline ", irradiation monitoring pipe internal irradiation sample needs regularly to make an experiment from piling interior extraction the out, under normal and accident conditions, can both keep structural intergrity to confirm reactor pressure vessel.
The irradiation pipe holder is because of former design defect, and repeatedly after the fuel recycle operation, defective appears in the positioning supports structure, the irradiation monitoring pipe positioning supports structure that need more renew at unit for itself and reactor core internals hanging basket.A plurality of fuel recycle operations back hanging basket surface irradiation dose rate is about 10Sv/h, and under so high irradiation dose environment, the people can't closely repair irradiation monitoring pipe positioning supports structure.For guaranteeing in the positioning supports structure, lifting of irradiation sample safety;, new irradiation monitoring pipe positioning supports structure require irradiation monitoring pipe positioning supports structure centre and position, hanging basket flange irradiation monitoring pipe hole for hoist center degree within
scope when being installed; The scope that exceeds
like both position degree; Technically will directly influence the lifting of irradiation monitoring pipe in irradiation monitoring pipe positioning supports structure, even possibly cause irradiation tube not deposit in or to take out.In the installation work under water of irradiation monitoring pipe positioning supports structure, can't control irradiation monitoring pipe positioning supports structure centre and hanging basket flange irradiation monitoring pipe hole for hoist center degree within
scope at present.
Summary of the invention
The object of the present invention is to provide a kind of irradiation monitoring pipe positioning supports locations of structures degree method of adjustment and device; It is installed in pad between cradle cylinder body and the irradiation monitoring pipe positioning supports structure; Through the control spacer thickness, make position degree between irradiation monitoring pipe carriage center and the hanging basket upper flange irradiation monitoring pipe hole for hoist center within
scope.
Realize the technical scheme of the object of the invention: a kind of irradiation monitoring pipe positioning supports locations of structures degree method of adjustment, it is provided with some position degree adjustment pads between cradle cylinder body and irradiation pipe holder; Described position degree adjustment pad lays respectively at the two ends of each layer of irradiation pipe holder, and each position degree adjustment pad and cradle cylinder body surface of contact are cambered surface, with irradiation pipe holder surface of contact be the plane; Be installed in the thickness difference of the position degree adjustment pad of diverse location; With the center line of hanging basket upper flange irradiation monitoring pipe hole for hoist as datum mark, the thickness of each position degree adjustment pad, adopt following formula to obtain:
H=D-D
Support
In the above-mentioned formula:
H is the thickness of irradiation monitoring pipe positioning supports locations of structures degree adjustment pad;
D is the bulk of datum mark to cradle cylinder body outer wall pad installed position;
D
SupportFor irradiation monitoring pipe positioning supports structure centre to its pad mounting plane apart from size.
Aforesaid a kind of irradiation monitoring pipe positioning supports locations of structures degree method of adjustment; It is provided with the measuring basis device on hanging basket upper flange irradiation monitoring pipe hole for hoist; With the medial surface of the lower surface of measuring basis device as the zero setting point; Make the central lines of zero setting point and hanging basket upper flange irradiation monitoring pipe hole for hoist, promptly zero setting point is a datum mark.
A kind of irradiation monitoring pipe positioning supports locations of structures degree adjustment of the present invention uses measuring basis device, this measuring basis device to comprise transverse plate one, transverse plate two, upright to plate one, upright to plate two and two register pins; Wherein transverse plate one is fixed on hanging basket upper flange irradiation monitoring pipe hole for hoist upper surface through two register pins; Transverse plate side vertical fixing one by one has upright to plate one; Upright to plate one bottom, transverse plate one by one the side horizontal fixed transverse plate two is arranged, transverse plate two other end vertical fixing have upright to plate two; Its neutrality is to the central lines of the medial surface and the hanging basket upper flange irradiation monitoring pipe hole for hoist of plate two.
The measuring basis device is used in aforesaid a kind of irradiation monitoring pipe positioning supports locations of structures degree adjustment, connects through bolt between its described transverse plate and the vertical plate.
Effect of the present invention is: adopt irradiation monitoring pipe positioning supports locations of structures degree method of adjustment of the present invention, the position degree that can guarantee irradiation monitoring pipe positioning supports structure centre and hanging basket flange hole for hoist center is within
scope.Accomplished under water the thickness measure of remote, the high-precision adjustment pad under can high radiation environment through measuring basis device of the present invention.This measuring basis device has well solved the virtualized engineering roadblock of measurement, reference for installation, effectively will measure, install the virtual reference hypostazation.
Description of drawings
Fig. 1 is the scheme of installation of irradiation monitoring pipe positioning supports structure on hanging basket;
Fig. 2 is the scheme of installation of measuring basis device on hanging basket;
Fig. 3 is a measuring basis device perspective view;
Fig. 4 is a measuring basis apparatus structure synoptic diagram;
Fig. 5 is the spacer thickness measuring computing method.
Among the figure: 1. cradle cylinder body; 2. the position degree is adjusted pad; 3. irradiation pipe holder; 4. irradiation monitoring pipe; 5. hanging basket upper flange irradiation monitoring pipe hole for hoist; 6. measuring basis device; 7. transverse plate one; 8. upright to plate one; 9. transverse plate two; 10. upright to plate two; 11. screw; 12. register pin.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment irradiation monitoring pipe positioning supports locations of structures degree method of adjustment of the present invention and device are described further.
As shown in Figure 1, cradle cylinder body 1 and irradiation pipe holder 3 are equipped with 12 position degree adjustment pads 2 between (also claiming support positioning structure of irradiation monitoring pipe), and pad lays respectively at the two ends at each layer of irradiation pipe holder; Every pad and cradle cylinder body surface of contact are cambered surface, with the surface of contact of irradiation monitoring pipe positioning supports structure be the plane, the thickness of adjustment pad that is installed in diverse location is different.
Like Fig. 2 and shown in Figure 5; On hanging basket upper flange irradiation monitoring pipe hole for hoist 5, measuring basis device 6 is set; As the zero setting point, make the central lines of zero setting point and hanging basket upper flange irradiation monitoring pipe hole for hoist 5 with the medial surface of the lower surface of measuring basis device 6, promptly zero setting point is a datum mark.
The thickness of each position degree adjustment pad 2 adopts following formula to obtain:
H=D-D
Support
In the above-mentioned formula:
H is an irradiation monitoring pipe positioning supports locations of structures degree spacer thickness;
D is the bulk of datum mark to cradle cylinder body outer wall pad installed position, and the underwater section measurement mechanism that adopts the applicant to apply for the same period can obtain the D value;
D
SupportFor irradiation monitoring pipe positioning supports structure centre to its pad mounting plane apart from size, adopt three-dimensional laser tracker (FARO laser tracker) to measure and can obtain D
SupportValue.
Like Fig. 3 and shown in Figure 4; Measuring basis device of the present invention; Its structure comprises transverse plate 1 and transverse plate 29; Upright to plate 1 with upright to plate 2 10 and two register pins 12, to plate 8, be connected with bolt 11 between 10, whole measurement standard apparatus passes through the installing and locating of installing and locating pin 12 finishing devices in hanging basket flange hole for hoist to all transverse plates 7,9 with upright.Be specially: transverse plate 1 is fixed on hanging basket upper flange irradiation monitoring pipe hole for hoist 5 upper surfaces through two register pins 12; Transverse plate one 7 one side vertical fixing have upright to plate 1; To plate one 8 bottoms, transverse plate one 7 one side horizontal fixed transverse plate 29 is arranged upright, transverse plate 29 other end vertical fixing have upright to plate 2 10; Its neutrality is the measuring basis face to the central lines of the medial surface and the hanging basket upper flange irradiation monitoring pipe hole for hoist 5 of plate 2 10.
Combine accompanying drawing that embodiments of the invention have been done detailed description above, but the present invention is not limited to the foregoing description, in the ken that those of ordinary skills possessed, also can under the prerequisite that does not break away from the utility model aim, makes various variations.
Claims (4)
1. an irradiation monitoring pipe positioning supports locations of structures degree method of adjustment is characterized in that: between cradle cylinder body (1) and irradiation pipe holder (3), be provided with some position degree adjustment pads (2); Described position degree adjustment pad (2) lays respectively at the two ends of each layer of irradiation pipe holder, and each position degree adjustment pad (2) is a cambered surface with cradle cylinder body (1) surface of contact, with irradiation pipe holder (3) surface of contact be the plane; Be installed in the thickness difference of the position degree adjustment pad (2) of diverse location; With the center line of hanging basket upper flange irradiation monitoring pipe hole for hoist (5) as datum mark, the thickness of each position degree adjustment pad, adopt following formula to obtain:
H=D-D
Support
In the above-mentioned formula:
H is the thickness of position degree adjustment pad;
D is the bulk of datum mark to cradle cylinder body outer wall pad installed position;
D
SupportFor the irradiation monitoring pipe carriage center to its pad mounting plane apart from size.
2. a kind of irradiation monitoring pipe positioning supports locations of structures degree method of adjustment according to claim 1; It is characterized in that: measuring basis device (6) is set on hanging basket upper flange irradiation monitoring pipe hole for hoist (5); With the medial surface of the lower surface of measuring basis device (6) as the zero setting point; Make the central lines of zero setting point and hanging basket upper flange irradiation monitoring pipe hole for hoist (5), promptly zero setting point is a datum mark.
3. measuring basis device that is used for the described irradiation monitoring pipe positioning supports of claim 1 locations of structures degree method of adjustment is characterized in that: this measuring basis device (6) comprises transverse plate one (7), transverse plate two (9), upright to plate one (8), upright to two (10) and two register pins of plate (12); Wherein transverse plate one (7) is fixed on hanging basket upper flange irradiation monitoring pipe hole for hoist (5) upper surface through two register pins (12); Transverse plate one (7) one side vertical fixing has upright to plate one (8); To plate one (8) bottom, transverse plate one (7) one side horizontal fixed transverse plate two (9) is arranged upright, transverse plate two (9) other end vertical fixing have upright to plate two (10); Its neutrality is to the central lines of the medial surface and the hanging basket upper flange irradiation monitoring pipe hole for hoist (5) of plate two (10).
4. the measuring basis device is used in a kind of irradiation monitoring pipe positioning supports locations of structures degree adjustment according to claim 3, it is characterized in that: connect through bolt (11) between described transverse plate (7,9) and the vertical plate (8,10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910169942A CN101650979B (en) | 2009-09-11 | 2009-09-11 | Method and device for adjusting position degree of positioning and supporting structure of irradiation monitoring pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910169942A CN101650979B (en) | 2009-09-11 | 2009-09-11 | Method and device for adjusting position degree of positioning and supporting structure of irradiation monitoring pipe |
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| CN101650979A CN101650979A (en) | 2010-02-17 |
| CN101650979B true CN101650979B (en) | 2012-08-29 |
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| CN200910169942A Active CN101650979B (en) | 2009-09-11 | 2009-09-11 | Method and device for adjusting position degree of positioning and supporting structure of irradiation monitoring pipe |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881614B (en) * | 2010-04-23 | 2011-09-07 | 中国第一重型机械股份公司 | Measuring method for establishing equipment installation reference in stack pits |
| CN104008690A (en) * | 2013-02-26 | 2014-08-27 | 江苏核电有限公司 | Reactor pressure vessel simulation test platform for nuclear power plant |
| CN104864856A (en) * | 2014-02-25 | 2015-08-26 | 上海核工程研究设计院 | Reactor internal hanging basket flange hoisting aperture center line measurement device and method |
| CN105489259B (en) * | 2014-09-18 | 2017-06-16 | 中国核动力研究设计院 | Reactor pressure vessel longevity phase irradiation method |
| CN105436764B (en) * | 2016-01-15 | 2017-03-08 | 中国核动力研究设计院 | A kind of device for irradiation monitoring pipe assembly welding |
| CN111105884B (en) * | 2020-01-20 | 2021-07-16 | 三门核电有限公司 | Measurement process for online maintenance of large shielded main pump |
| CN111816334A (en) * | 2020-07-20 | 2020-10-23 | 中国核动力研究设计院 | Irradiation monitoring tube |
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| JP2001305268A (en) * | 2000-04-24 | 2001-10-31 | Ishikawajima Harima Heavy Ind Co Ltd | Regenerating method for irradiation embrittlement monitoring test piece |
| JP2003149344A (en) * | 2001-11-19 | 2003-05-21 | Hitachi Ltd | Radiation monitoring equipment |
| CN101504355A (en) * | 2009-03-12 | 2009-08-12 | 中国原子能科学研究院 | Irradiation supervision device for high-throughput research reactor core container |
| CN101799265A (en) * | 2009-09-11 | 2010-08-11 | 秦山核电有限公司 | Underwater measuring method and device for mounting position degree of irradiation monitoring pipe |
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2009
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Patent Citations (4)
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|---|---|---|---|---|
| JP2001305268A (en) * | 2000-04-24 | 2001-10-31 | Ishikawajima Harima Heavy Ind Co Ltd | Regenerating method for irradiation embrittlement monitoring test piece |
| JP2003149344A (en) * | 2001-11-19 | 2003-05-21 | Hitachi Ltd | Radiation monitoring equipment |
| CN101504355A (en) * | 2009-03-12 | 2009-08-12 | 中国原子能科学研究院 | Irradiation supervision device for high-throughput research reactor core container |
| CN101799265A (en) * | 2009-09-11 | 2010-08-11 | 秦山核电有限公司 | Underwater measuring method and device for mounting position degree of irradiation monitoring pipe |
Non-Patent Citations (3)
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| 万德华等.核压力容器材料辐照监督管的设置.《核动力工程》.1984,第5卷(第2期),20-27. * |
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| CN101650979A (en) | 2010-02-17 |
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