CN204732175U - A kind of nuclear reactor pressure container adapter inside surface supersonic detection device - Google Patents
A kind of nuclear reactor pressure container adapter inside surface supersonic detection device Download PDFInfo
- Publication number
- CN204732175U CN204732175U CN201420865071.3U CN201420865071U CN204732175U CN 204732175 U CN204732175 U CN 204732175U CN 201420865071 U CN201420865071 U CN 201420865071U CN 204732175 U CN204732175 U CN 204732175U
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- China
- Prior art keywords
- bearing pin
- tray assembly
- probe
- inside surface
- cylinder
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- 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.)
- Withdrawn - After Issue
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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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- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The utility model relates to a kind of reactor pressure vessel adapter inside surface supersonic detection device, comprises guide rail; Described guide rail is provided with two slide blocks coordinated with slide, and each slide block is fixed with cylinder two ends respectively; Cylinder two ends also respectively connect a probe tray assembly; Described probe tray assembly is rotatably assorted with corresponding cylinder one end; Described probe tray assembly is provided with probe mounting disc, and described probe mounting disc and probe tray assembly are rotatably assorted, and its pivot center is vertical with the pivot center that corresponding cylinder one end is rotatably assorted with described probe tray assembly.The utility model can realize detecting the welding line ultrasonic of Technologies of PWR Vessels adapter water delivering orifice constant diameter inside surface, also can detect the welding line ultrasonic of Nozzle Zone of Vessels water inlet reducing inside surface, and can realize better fitting with inside surface, and then improve detection data accuracy and reliability.
Description
Technical field
The present invention relates to nuclear power technical field of nondestructive testing, be specifically related to a kind of nuclear reactor pressure container adapter inside surface supersonic detection device.
Background technology
Nuclear plant pressure vessels is one of core component of nuclear reactor coolant pressure boundary, it is by flange ring, shell portion, the cylindrical shell subassemblies such as intake-outlet adapter, top cover subassembly, bottom (head) and flange sealing structure composition, water delivering orifice, water inlet nozzle weld belongs to one of primary Ioops system Non-Destructive Testing main object, weld seam easily produces bubble in welding process, crackle, the defects such as slag inclusion, poor weld easily produces corrosion at fault location, corrosion slowly expands makes pipeline and container inner medium leak, even can there is severe safety accident, therefore regularly maintenance and inspection must be carried out to pipeline and container.
According to coherent detection code requirement, Ultrasonic Detection must being carried out to this place's weld seam, detecting data accuracy and reliability to improve, and minimizing human body irradiates by radioactive ray, urgently research and develop reactor pressure vessel nozzle weld automatic ultrasionic detector.
Summary of the invention
The object of this invention is to provide a kind of ultrasonic automatic checking device Nuclear Power Station reactor pressure vessel adapter inside surface being carried out to ultrasonic automatic detection.
The present invention is achieved in that a kind of reactor pressure vessel adapter inside surface supersonic detection device, comprises guide rail; Described guide rail is provided with two slide blocks coordinated with slide, and each slide block is fixed with cylinder two ends respectively; Cylinder two ends also respectively connect a probe tray assembly;
Described probe tray assembly is rotatably assorted with corresponding cylinder one end; Described probe tray assembly is provided with probe mounting disc, and described probe mounting disc and probe tray assembly are rotatably assorted, and its pivot center is vertical with the pivot center that corresponding cylinder one end is rotatably assorted with described probe tray assembly.
Also comprise cylinder support plate, tray supporter, slide block extension plate;
Cylinder two ends are separately fixed on two cylinder support plates, and two cylinder support plates are separately fixed on two slide block extension plates; Each slide block extension plate outer end connects a tray supporter respectively, and each tray supporter outer end connects a probe tray assembly.
Described probe tray assembly also comprises bearing pin B, crotch support, bearing pin C;
Crotch support central authorities are rotatably assorted by bearing pin C with slide block extension plate outer end; Crotch support two ends are fixed with the bearing pin B of two axis and described bearing pin C axes normal; Two described probe mounting disc lower ends are enclosed within respectively on two bearing pin B and are rotatably assorted.
Described probe mounting disc comprises left dish, probe, torsion spring, bearing pin A, right dish, pallet crotch;
Face left side on the right side of pallet crotch upper end, left dish and the right side, three is that hinge shape is all enclosed within bearing pin A, all rotates around bearing pin A; Face left between side and are connected with torsion spring in left dish right side and the right side, described torsion spring is also enclosed within bearing pin A, and it is in stress always; Left dish and right dish all have two probe mounting holes; Probe mounting holes is provided with probe, and detection faces points to the outside away from crotch support; The axis of bearing pin A and bearing pin C axis being parallel, bearing pin B axis and bearing pin C axes normal.
The invention has the beneficial effects as follows, can realize monitoring the welding line ultrasonic of Technologies of PWR Vessels adapter water delivering orifice constant diameter inside surface, also can monitor the welding line ultrasonic of Nozzle Zone of Vessels water inlet reducing inside surface, and can realize better fitting with inside surface, and then improve detection data accuracy and reliability.
Accompanying drawing explanation
Fig. 1 is reactor pressure vessel water inlet water delivering orifice diagrammatic cross-section;
Fig. 2 is reactor pressure vessel water inlet partial schematic diagram;
Fig. 3 is nuclear reactor pressure container adapter inside surface supersonic detection device front view of the present invention;
Fig. 4 is nuclear reactor pressure container adapter inside surface supersonic detection device side sectional view of the present invention;
Fig. 5 is A direction view in Fig. 4;
Fig. 6 be in Fig. 5 B-B to cut-open view;
In figure: 1-cylinder support plate; 2-guide rail; 3-cylinder; 4-slide block; 5-probe tray assembly; The left dish of 501-; 502-pops one's head in; 503-torsion spring; 504-bearing pin A; The right dish of 505-; 506-bearing pin B; 507-pallet crotch; 508-crotch support; 509-bearing pin C; 6-tray supporter; 7-slide block extension plate; 8-water inlet; 9-water delivering orifice.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail:
Nuclear reactor pressure container water delivering orifice 9, water inlet 8 structure are as shown in Figure 1, 2; Ultrasonic monitoring device needs the shape adapting to water inlet 8 and water delivering orifice 9 inside surface to realize better laminating, and improves Monitoring Data accuracy and reliability.
As shown in FIG., be not constant inner diameter at water delivering orifice 8 inside surface, but become internal diameter runner, therefore need ultrasonic monitoring device better can mate with inwall;
Nuclear reactor pressure container adapter inside surface supersonic detection device of the present invention, comprises cylinder support plate 1, guide rail 2, cylinder 3, slide block 4, probe tray assembly 5, tray supporter 6, slide block extension plate 7;
Guide rail 2 is provided with two slide blocks 4 be slidably matched with guide rail 2; Cylinder 3 two ends are separately fixed on two cylinder support plates 1, and two cylinder support plates 1 are separately fixed on two slide block extension plates 7; Each slide block extension plate 7 outer end connects a tray supporter 6 respectively, and each tray supporter 6 outer end connects a probe tray assembly 5;
Described probe tray assembly 5 is rotatably assorted with corresponding tray supporter 6 outer end; Described probe tray assembly 5 is provided with probe mounting disc, and described probe mounting disc and probe tray assembly 5 are rotatably assorted, and its pivot center is vertical with the pivot center that corresponding slide block extension plate 7 outer end is rotatably assorted with described probe tray assembly 5;
Particularly, described probe tray assembly 5 comprises left dish 501, probe 502, torsion spring 503, bearing pin A504, right dish 505, bearing pin B506, pallet crotch 507, crotch support 508, bearing pin C509;
Crotch support 508 central authorities are rotatably assorted by bearing pin C509 with slide block extension plate 7 outer end, and crotch support 508 opposing slider extension plate 7 can rotate along bearing pin C509;
Crotch support 508 two ends are fixed with the bearing pin B506 of two axis and described bearing pin C509 axes normal; Two pallet crotch 507 lower ends are enclosed within respectively on two bearing pin B506 and are rotatably assorted;
On the right side of pallet crotch 507 upper end, left dish 501 and on the left of right dish 505, three is that hinge shape is all enclosed within bearing pin A504, all rotates around bearing pin A504;
Be connected with torsion spring 3 between on the right side of left dish 501 and on the left of right dish 505, described torsion spring 3 is also enclosed within bearing pin A4, and it is in stress always;
Left dish 501 and right dish 505 all have two probe mounting holes; Probe mounting holes is provided with probe, and detection faces points to the outside away from crotch support 508;
The axis of bearing pin A504 and bearing pin C509 axis being parallel, bearing pin B506 axis and bearing pin C509 axes normal.
Left dish 501 is connected as a single entity by bearing pin A504 with right dish 505, can rotate along bearing pin A504, on bearing pin A504, cover has several torsion springs 503, make it that left dish 501 is in tensioned state all the time with right dish 505, bearing pin A504, simultaneously through pallet crotch 507, ensures that left dish 501 can rotate by overall opposing tray crotch 507 with right dish 505.
When this probe tray assembly 5 adapter inside surface circumferentially scanning time, if run into uneven place, or small stair, the elastic force of torsion spring 503 between dish 501 and right dish 505 can be kept left to cross uneven small stair, when the step that chance torsion spring 503 cannot make up, can be rotated relative to bearing pin A504 with right dish 505 entirety by left dish 501, or the rotation of crotch support 508 opposing slider extension board 7 makes up.
When running in small stair or water inlet containing circular conical surface in axial scanning process, to rotate in bearing pin B506 relative to crotch support 508 by pallet crotch 507 and making up.
Cylinder stretch out stretching out of drive two slide block extension plates, ensure both sides probe tray assembly 5 and detected face good fit;
External dedicated pressure vessel checkout equipment and guide rail 2 are fixed, and by whole device propelling pressure container nozzle interior, cylinder action, promotes two pallets, and then will pop one's head ins and tested surface is fitted, realization detection.
Claims (4)
1. a reactor pressure vessel adapter inside surface supersonic detection device, is characterized in that: comprise guide rail; Described guide rail is provided with two slide blocks coordinated with slide, and each slide block is fixed with cylinder two ends respectively; Cylinder two ends also respectively connect a probe tray assembly;
Described probe tray assembly is rotatably assorted with corresponding cylinder one end; Described probe tray assembly is provided with probe mounting disc, and described probe mounting disc and probe tray assembly are rotatably assorted, and its pivot center is vertical with the pivot center that corresponding cylinder one end is rotatably assorted with described probe tray assembly.
2., according to reactor pressure vessel adapter inside surface supersonic detection device according to claim 1, it is characterized in that: also comprise cylinder support plate, tray supporter, slide block extension plate;
Cylinder two ends are separately fixed on two cylinder support plates, and two cylinder support plates are separately fixed on two slide block extension plates; Each slide block extension plate outer end connects a tray supporter respectively, and each tray supporter outer end connects a probe tray assembly.
3., according to reactor pressure vessel adapter inside surface supersonic detection device according to claim 2, it is characterized in that: described probe tray assembly also comprises bearing pin B, crotch support, bearing pin C;
Crotch support central authorities are rotatably assorted by bearing pin C with slide block extension plate outer end; Crotch support two ends are fixed with the bearing pin B of two axis and described bearing pin C axes normal; Two described probe mounting disc lower ends are enclosed within respectively on two bearing pin B and are rotatably assorted.
4., according to reactor pressure vessel adapter inside surface supersonic detection device according to claim 3, it is characterized in that: described probe mounting disc comprises left dish, probe, torsion spring, bearing pin A, right dish, pallet crotch;
Face left side on the right side of pallet crotch upper end, left dish and the right side, three is that hinge shape is all enclosed within bearing pin A, all rotates around bearing pin A; Face left between side and are connected with torsion spring in left dish right side and the right side, described torsion spring is also enclosed within bearing pin A, and it is in stress always; Left dish and right dish all have two probe mounting holes; Probe mounting holes is provided with probe, and detection faces points to the outside away from crotch support; The axis of bearing pin A and bearing pin C axis being parallel, bearing pin B axis and bearing pin C axes normal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865071.3U CN204732175U (en) | 2014-12-30 | 2014-12-30 | A kind of nuclear reactor pressure container adapter inside surface supersonic detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865071.3U CN204732175U (en) | 2014-12-30 | 2014-12-30 | A kind of nuclear reactor pressure container adapter inside surface supersonic detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204732175U true CN204732175U (en) | 2015-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420865071.3U Withdrawn - After Issue CN204732175U (en) | 2014-12-30 | 2014-12-30 | A kind of nuclear reactor pressure container adapter inside surface supersonic detection device |
Country Status (1)
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|---|---|
| CN (1) | CN204732175U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105810266A (en) * | 2014-12-30 | 2016-07-27 | 中核武汉核电运行技术股份有限公司 | Ultrasonic detection apparatus for interior surface of adapter tube of nuclear reactor pressure vessel |
| CN106932487A (en) * | 2015-12-30 | 2017-07-07 | 核动力运行研究所 | A kind of container inner wall ultrasonic examining probe pallet bonding structure |
| CN106932479A (en) * | 2015-12-30 | 2017-07-07 | 核动力运行研究所 | A kind of small entrance vertical vessel inwall ultrasonic inspection apparatus of nuclear power station |
-
2014
- 2014-12-30 CN CN201420865071.3U patent/CN204732175U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105810266A (en) * | 2014-12-30 | 2016-07-27 | 中核武汉核电运行技术股份有限公司 | Ultrasonic detection apparatus for interior surface of adapter tube of nuclear reactor pressure vessel |
| CN105810266B (en) * | 2014-12-30 | 2017-11-28 | 中核武汉核电运行技术股份有限公司 | A kind of nuclear reactor pressure container adapter inner surface supersonic detection device |
| CN106932487A (en) * | 2015-12-30 | 2017-07-07 | 核动力运行研究所 | A kind of container inner wall ultrasonic examining probe pallet bonding structure |
| CN106932479A (en) * | 2015-12-30 | 2017-07-07 | 核动力运行研究所 | A kind of small entrance vertical vessel inwall ultrasonic inspection apparatus of nuclear power station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151028 Effective date of abandoning: 20171128 |
|
| AV01 | Patent right actively abandoned |