CN203733482U - Ultrasonic detection device for welding seam of pressure container joint pipe - Google Patents
Ultrasonic detection device for welding seam of pressure container joint pipe Download PDFInfo
- Publication number
- CN203733482U CN203733482U CN201320888992.7U CN201320888992U CN203733482U CN 203733482 U CN203733482 U CN 203733482U CN 201320888992 U CN201320888992 U CN 201320888992U CN 203733482 U CN203733482 U CN 203733482U
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- Prior art keywords
- assembly
- guide
- circumferential
- circumferential movement
- vessels
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- Expired - Lifetime
Links
- 238000001514 detection method Methods 0.000 title abstract 6
- 238000003466 welding Methods 0.000 title abstract 4
- 239000000523 sample Substances 0.000 claims abstract description 33
- 239000000758 substrate Substances 0.000 claims description 19
- 238000002224 dissection Methods 0.000 claims description 18
- 239000004606 Fillers/Extenders Substances 0.000 claims description 10
- 230000000712 assembly Effects 0.000 claims description 10
- 238000000429 assembly Methods 0.000 claims description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model relates to an ultrasonic detection device for welding seams of a pressure container joint pipe. The ultrasonic detection device for the welding seams of the pressure container joint pipe is characterized by comprising a guide rail assembly, a circumferential movement assembly, an axial driving assembly, a probe assembly, a pressure finger assembly and a circumferential driving assembly, wherein the circumferential movement assembly is embedded into the guide rail assembly and slides along a circular guide rail structure; the circumferential driving assembly is matched with the circumferential movement assembly; the axial driving assembly is connected with the circumferential movement assembly; a plurality of pressure finger bases are distributed along the circumferential direction of the guide rail assembly and are fixed on the end surface of the opposite side of an opening side of a guide rail slot of the guide rail assembly; a rotating nut is arranged on each pressure finger base and is sheathed at one end of a telescopic screw, and the other end of the telescopic screw is fixed with a pressure block. The ultrasonic detection device for the welding seams of the pressure container joint pipe can realize detection of the inner surface of a large-size joint pipe/pipeline and the outer surface of a small-size joint pipe/pipeline; detection range of the diameter of the inner/outer wall of the joint pipe/pipeline is expanded; convenience in mounting and dismounting of the probe assembly is obviously enhanced and mounting and dismounting speed is obviously increased.
Description
Technical field
The present invention relates to nuclear power, nuclear power unit take over weld seam dispatch from the factory inspections, install before inspection technical field, be specifically related to a kind of Nozzle Zone of Vessels weld joint ultrasonic testing fixture.
Background technology
Along with the development of China's nuclear power, the raising that Nuclear Safety is required, and the requirement of nuclear power regulation, specification, be the quality that ensures nuclear power station main equipment container, ensures nuclear plant safety reliability service, and it takes over robotization inspection before dispatching from the factory of safe end.Urgently a kind of new device for the weld joint automatized inspection of Nozzle Zone of Vessels safe end.
Summary of the invention
The technical matters that will solve of the present invention is to provide a kind of enforcement nuclear power, nuclear power unit and main equipment container under other of can be used in and takes over the robotization inspection before dispatching from the factory, installing of weld seam, and run duration can reach the device of implementing the auto-ultrasonic inspection of Sizing In Butt Welded Pipes in situation from pipeline inside/outside wall.
In order to solve the problems of the technologies described above, technical scheme of the present invention is, a kind of Nozzle Zone of Vessels weld joint ultrasonic testing fixture, is characterized in that: comprise guide assembly, circumferential movement assembly, axial driven unit, probe assembly, presser foot component, circumferential driven unit;
Described guide assembly is round ring guide structure, and described guide-track groove opening direction is consistent with described round circular orbit structure axis direction;
Described circumferential movement assembly is embedded in described guide assembly and along described round ring guide structure and slides; Described circumferential driven unit and described circumferential movement component matching, drive described circumferential movement assembly along circumferentially sliding; Described axial driven unit is connected with described circumferential movement assembly, and described axial driven unit comprises that described probe assembly is arranged on described slide unit along the slide unit of described round ring guide structure axis direction slip;
Described presser foot component comprises presser feet seat, expansion screw, briquetting, rotating nut; Described several presser feet seats circumferentially distribute along guide assembly, and be fixed on guide assembly guide-track groove open side on side end face; Rotating nut is installed on presser feet seat, and is socketed on one end of expansion screw, and the expansion screw other end and briquetting are fixed.
Described guide assembly comprises semicircle dissection type guide rail, half-ring gear;
Described semicircle dissection type guide rail is that xsect is the semicircular track structure of " C " shape, and it has " C " shape guide-track groove opening, and described " C " shape guide-track groove opening direction is consistent with described semicircular track structure axis direction; 2 circumferential two ends of semicircle dissection type guide rail also connect toward each other.
Described guide assembly also comprises active grab assembly; Described active grab assembly comprises tension hook, hook; The circumferential one end of described semicircle dissection type guide rail cylindrical wall is fixed with tension hook, and circumferentially other end cylindrical wall is fixed with hook; Dock each other at 2 circumferential two ends of semicircle dissection type guide rail, and be connected by tension hook, the hook of grip module, forms the circumferential guide rail structure of annular.
Circumferential movement assembly comprises a circumferential movement substrate, several roll wheel assemblies; Described several roll wheel assemblies are embedded in described " C " shape guide-track groove opening; Each roll wheel assembly comprises several bearings on pedestal and installation and described pedestal; Inside and outside described " C " shape guide-track groove opening part, have 6 spigot surfaces;
Described several bearings respectively 6 spigot surfaces inside and outside with " C " shape guide-track groove opening part of described guide assembly contact;
Circumferential movement substrate is semi-circular structure, and several roll wheel assemblies are arranged on circumferential movement substrate one side surface.
Described guide assembly also comprises half-ring gear; Described half-ring gear is connected on the end face of described semicircle dissection type guide rail near described " C " shape guide-track groove open side of its inner circle wall.
Described circumferential driven unit comprises circumferential drive motor, circumferential driven wheel; Described circumferential driven wheel is installed on the motor shaft of circumferential drive motor, is driven by motor shaft; The annular gear ring that circumferentially driven wheel forms with described 2 half-ring gears engages realizes circumferential movement.
Axially driven unit comprises axial drive motor, line slideway, leading screw, slide block, feed screw nut, guide rod, screw thread hold-fast body;
The transmission shaft of described axial drive motor drives leading screw rotation, and slide block is embedded on described line slideway and along line slideway and slides; Feed screw nut is enclosed within on described leading screw;
Slide block comprises first, second, and 2 described guide rod one end are connected with first, and the other end passes second, and fastening by screw thread hold-fast body; Described first is connected with the feed screw nut on leading screw.
Axially driven unit is arranged on circumferential movement substrate.
Axially between driven unit and described circumferential movement substrate, be provided with L shaped card extender, described L shaped two knuckle sides of card extender are connected with described axial driven unit, circumferential movement substrate respectively.
Described probe assembly comprises probe installing plate, probe clamper, guide thimble;
Two guide thimbles are the sleeve pipe with outside flange, its be set with described on 2 guide rods, its with outside flange be connected with described probe installing plate; Described probe clamper is installed on a side of described probe installing plate.
Beneficial effect of the present invention:
(1) use same set of testing fixture can realize the inspection of the inner surface inspection of large scale adapter/pipeline and the outside surface of small size adapter/pipeline by changing different combination/mounting meanss;
(2), by the use of card extender, expanded the inside/outside wall diameter range of adapter/pipeline that testing fixture can check;
(3) probe installing plate is installed on axial driven unit slider waveguide rod by guide thimble, and fastening by the screw thread hold-fast body connection on slide block, has significantly improved mounting or dismounting convenience and the assembling and dissembling speed of probe assembly.
Brief description of the drawings
Fig. 1 is a kind of Nozzle Zone of Vessels weld joint ultrasonic of the present invention testing fixture front elevation;
Fig. 2 is a kind of Nozzle Zone of Vessels weld joint ultrasonic of the present invention testing fixture side view;
Fig. 3 is C-C cut-open view in Fig. 1;
Fig. 4 is A-A cut-open view in Fig. 1;
Fig. 5 is D-D cut-open view in Fig. 1;
Fig. 6 is B-B cut-open view in Fig. 1;
Fig. 7 is the axial driven unit front view of a kind of Nozzle Zone of Vessels weld joint ultrasonic of the present invention testing fixture;
Fig. 8 is the axial driven unit side view of a kind of Nozzle Zone of Vessels weld joint ultrasonic of the present invention testing fixture;
Fig. 9 is the card extender side view of a kind of Nozzle Zone of Vessels weld joint ultrasonic of the present invention testing fixture;
Figure 10 is the card extender stereographic map of a kind of Nozzle Zone of Vessels weld joint ultrasonic of the present invention testing fixture;
Figure 11 is the application example one of a kind of Nozzle Zone of Vessels weld joint ultrasonic of the present invention testing fixture;
Figure 12 is the application example two of a kind of Nozzle Zone of Vessels weld joint ultrasonic of the present invention testing fixture;
Figure 13 is the application example three of a kind of Nozzle Zone of Vessels weld joint ultrasonic of the present invention testing fixture.
In figure: 1 guide assembly, the semicircle dissection type guide rail of 101-, 102-half-ring gear, 103-active grab assembly, 104-spigot surface, 2-circumferential movement assembly, 201-circumferential movement substrate, 202-roll wheel assembly, 203-pedestal, 204-bearing, 205-card extender, the axial driven unit of 3-, 301-line slideway, the axial drive motor of 302-, 303-leading screw, 304-slide block, 305-feed screw nut, 306-guide rod, 307-screw thread hold-fast body, 4-probe assembly, the 401-installing plate of popping one's head in, 402-probe clamper, 403-guide thimble, 5-presser foot component, 501-presser feet seat, 502-expansion screw, 503-briquetting, 504-rotating nut, the circumferential driven unit of 6-, the circumferential driven wheel of 601-, the circumferential drive motor of 602-, 7-small-sized tube checks object, 8-large scale pipe checks object A, 9-large scale checks object B.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described further.
A kind of Nozzle Zone of Vessels weld joint ultrasonic testing fixture of the present invention, comprises guide assembly 1, circumferential movement assembly 2, axial driven unit 3, probe assembly 4, presser foot component 5, circumferential driven unit 6;
Described guide assembly 1 comprises active grab assembly 103, semicircle dissection type guide rail 101, half-ring gear 102;
The xsect of described semicircle dissection type guide rail 101 is the semicircular track structure of " C " shape, and it has " C " shape opening, and described " C " shape opening direction is consistent with described semicircular track structure axis direction; Inside and outside described " C " shape opening part, there are 6 spigot surfaces 104; Described half-ring gear 102 is connected on the end face of described semicircle dissection type guide rail 101 near described " C " shape open side of its inner circle wall;
Described active grab assembly 103 comprises tension hook, hook; Described semicircle dissection type guide rail 101 circumferential one end cylindrical walls are fixed with tension hook, and circumferentially other end cylindrical wall is fixed with hook;
Dock each other at 2 circumferential two ends of semicircle dissection type guide rail 101, and be connected by tension hook, the hook of grip module 103, forms the circumferential guide rail structure of annular;
Circumferential movement assembly 2 comprises a circumferential movement substrate 201, several roll wheel assemblies 202;
Described several roll wheel assemblies 202 are embedded in described " C " shape opening; Each roll wheel assembly 202 comprises several bearings 204 on pedestal 203 and installation and described pedestal, and described several bearings 204 respectively 6 spigot surfaces 104 inside and outside with " C " shape opening part of described guide assembly 1 contact;
Circumferential movement substrate 201 is semi-circular structure, and several roll wheel assemblies 202 are arranged on circumferential movement substrate one side surface;
Axially driven unit 3 comprises axial drive motor 302, line slideway 301, leading screw 303, slide block 304, feed screw nut 305, guide rod 306, screw thread hold-fast body 307;
The transmission shaft of described axial drive motor 302 drives leading screw 303 to rotate, and slide block 304 is embedded on described line slideway 301 and along line slideway 301 and slides; Feed screw nut 305 is enclosed within on described leading screw;
Slide block 304 comprises first, second, and 2 described guide rod 306 one end are connected with first, and the other end passes second, and fastening by screw thread hold-fast body 307;
Described first is connected with the feed screw nut 305 on leading screw 303;
Axially driven unit 3 can be directly installed on circumferential movement substrate 201; Also can be that L shaped card extender 205 is arranged on circumferential movement substrate 2, as shown in figure 13 with screw by a cross section;
Probe assembly 4 comprises probe installing plate 401, probe clamper 402, guide thimble 403;
Two guide thimbles 403 are the sleeve pipe with outside flange, its be set with described on 2 guide rods 306, its with outside flange be connected with described probe installing plate 401; Described probe clamper 402 is installed on a side of described probe installing plate 401, for clamping ultrasonic detecting probe;
When installation, first the screw thread hold-fast body 307 on slide block 304 is unscrewed, second of slide block 304 is removed, probe installing plate 401 is sleeved on by two guide thimbles 403 on the guide rod 306 of axial driven unit 3, slide block 304 is enclosed within on the guide rod 306 of axial driven unit 3 and with probe installing plate 401 and fits tightly, threaded together hold-fast body 307, can complete the installation of probe assembly.
Described presser foot component 5 comprises presser feet seat 501, expansion screw 502, briquetting 503, rotating nut 504;
Described several presser feet seats 501 circumferentially distribute along guide assembly 1, and " C " shape open side that is fixed on guide assembly 1 by screw is on side end face; Rotating nut 504 is installed on presser feet seat 501, and is socketed on one end of expansion screw 502, and expansion screw 502 other ends and briquetting 503 are fixing;
Presser foot component 5 regulates the extension elongation of briquetting 503 to make testing fixture coaxial with checked adapter by rotary extension screw rod 502, and by briquetting 503, whole testing fixture is fixed in checked adapter.
In the time that the outer wall of implementing adapter/pipeline checks, the briquetting of presser foot component 5 503 inwardly to be installed, rotary extension screw rod 502 regulates the extension elongation of briquetting 503 to make testing fixture coaxial with checked adapter, and is pressed on the outer wall of checked adapter/pipeline.
In the time that the inwall of implementing adapter/pipeline checks, the briquetting of presser foot component 5 503 outwards to be installed, rotary extension screw rod 502 regulates the extension elongation of briquetting 503 to make testing fixture coaxial with checked adapter, and is pressed on the inwall of checked adapter/pipeline.
Circumferentially driven unit 6 comprises circumferential drive motor 601, circumferential driven wheel 602;
Described circumferential driven wheel 602 is installed on the motor shaft of described circumferential drive motor 601, is driven by motor shaft;
Circumferentially driven wheel 602 engages with the annular gear ring that described 2 half-ring gears 102 form, in order to drive guide assembly 1 circumferential movement.
The inspection of small size adapter/pipeline outer wall is implemented as shown in figure 11, testing fixture of the present invention is enclosed within and checks object 7 outer walls, adjust briquetting 503 extension elongations, make it be pressed on small-sized tube and check object 7 outer walls, and the extension elongation of the briquetting 503 of each presser feet 5 assemblies is consistent, can start to check.
The inspection of large scale adapter/inner-walls of duct is implemented as shown in figure 12, testing fixture of the present invention is packed into the inside of large scale adapter/pipeline, determine the axial location of testing fixture, adjust the extension elongation of briquetting 503, make it be pressed on large scale pipe and check object A8 inwall, and the extension elongation of the briquetting 503 of each presser foot component 5 is consistent, can start to check.
The inspection of another kind of large scale adapter/inner-walls of duct is implemented as shown in figure 13, axially driven unit 3 is arranged on circumferential movement substrate 201 outwardly by card extender 205, and testing fixture is packed into the inside of large scale adapter/pipeline, determine the axial location of testing fixture, adjust the extension elongation of briquetting 503, make it be pressed on large scale pipe and check object B 9 inwalls, and the extension elongation of the briquetting 503 of each presser foot component 5 is consistent, stube cables etc., can start to check.
Claims (10)
1. a Nozzle Zone of Vessels weld joint ultrasonic testing fixture, is characterized in that: comprise guide assembly (1), circumferential movement assembly (2), axial driven unit (3), probe assembly (4), presser foot component (5), circumferential driven unit (6);
Described guide assembly (1) is round ring guide structure, and described guide-track groove opening direction is consistent with described round circular orbit structure axis direction;
Described circumferential movement assembly (2) is embedded in described guide assembly (1) and along described round ring guide structure and slides; Described circumferential driven unit (6) mates with described circumferential movement assembly (2), drives described circumferential movement assembly (2) along circumferentially sliding; Described axial driven unit (3) is connected with described circumferential movement assembly (2), and described axial driven unit (3) comprises that described probe assembly (4) is arranged on described slide unit along the slide unit of described round ring guide structure axis direction slip;
Described presser foot component (5) comprises presser feet seat (501), expansion screw (502), briquetting (503), rotating nut (504); Described several presser feet seats (501) circumferentially distribute along guide assembly (1), and be fixed on guide assembly (1) guide-track groove open side on side end face; It is upper that rotating nut (504) is installed on presser feet seat (501), and be socketed on one end of expansion screw (502), and expansion screw (502) other end and briquetting (503) are fixing.
2. according to a kind of Nozzle Zone of Vessels weld joint ultrasonic testing fixture claimed in claim 1, it is characterized in that: described guide assembly (1) comprises semicircle dissection type guide rail (101), half-ring gear (102);
Described semicircle dissection type guide rail (101) for xsect be the semicircular track structure of " C " shape, it has " C " shape guide-track groove opening, described " C " shape guide-track groove opening direction is consistent with described semicircular track structure axis direction; 2 semicircle dissection type guide rails (101) circumferentially two ends also connect toward each other.
3. according to a kind of Nozzle Zone of Vessels weld joint ultrasonic testing fixture claimed in claim 2, it is characterized in that: described guide assembly (1) also comprises active grab assembly (103); Described active grab assembly (103) comprises tension hook, hook; Described semicircle dissection type guide rail (101) circumferentially one end cylindrical wall is fixed with tension hook, and circumferentially other end cylindrical wall is fixed with hook; 2 semicircle dissection type guide rails (101) circumferentially dock at two ends each other, and are connected by tension hook, the hook of grip module (103), form the circumferential guide rail structure of annular.
4. according to a kind of Nozzle Zone of Vessels weld joint ultrasonic testing fixture claimed in claim 2, it is characterized in that: circumferential movement assembly (2) comprises a circumferential movement substrate (201), several roll wheel assemblies (202); Described several roll wheel assemblies (202) are embedded in described " C " shape guide-track groove opening; Each roll wheel assembly (202) comprises several bearings (204) on pedestal (203) and installation and described pedestal; Inside and outside described " C " shape guide-track groove opening part, have 6 spigot surfaces (104);
Described several bearings (204) respectively 6 spigot surfaces (104) inside and outside with " C " shape guide-track groove opening part of described guide assembly (1) contact;
Circumferential movement substrate (201) is semi-circular structure, and several roll wheel assemblies (202) are arranged on circumferential movement substrate one side surface.
5. according to a kind of Nozzle Zone of Vessels weld joint ultrasonic testing fixture claimed in claim 4, it is characterized in that: described guide assembly (1) also comprises half-ring gear (102); Described half-ring gear (102) is connected on the end face of described semicircle dissection type guide rail (101) near described " C " shape guide-track groove open side of its inner circle wall.
6. according to a kind of Nozzle Zone of Vessels weld joint ultrasonic testing fixture claimed in claim 5, it is characterized in that: described circumferential driven unit comprises circumferential drive motor (601), circumferential driven wheel (602); Described circumferential driven wheel (602) is installed on the motor shaft of circumferential drive motor (601), is driven by motor shaft; The annular gear ring that circumferentially driven wheel (602) forms with described 2 half-ring gears (102) engages realizes circumferential movement.
7. according to a kind of Nozzle Zone of Vessels weld joint ultrasonic testing fixture claimed in claim 6, it is characterized in that: axially driven unit (3) comprises axial drive motor (302), line slideway (301), leading screw (303), slide block (304), feed screw nut (305), guide rod (306), screw thread hold-fast body (307);
The transmission shaft of described axial drive motor (302) drives leading screw (303) rotation, and slide block (304) is embedded in described line slideway (301) above and slides along line slideway (301); Feed screw nut (305) is enclosed within on described leading screw;
Slide block (304) comprises first, second, and 2 described guide rods (306) one end is connected with first, and the other end passes second, and fastening by screw thread hold-fast body (307);
Described first is connected with the feed screw nut (305) on leading screw (303).
8. according to a kind of Nozzle Zone of Vessels weld joint ultrasonic testing fixture claimed in claim 7, it is characterized in that: axially driven unit (3) is arranged on circumferential movement substrate (201).
9. according to a kind of Nozzle Zone of Vessels weld joint ultrasonic testing fixture claimed in claim 7, it is characterized in that: axially between driven unit (3) and described circumferential movement substrate (201), be provided with L shaped card extender (205), described L shaped (205) two knuckle sides of card extender are connected with described axial driven unit (3), circumferential movement substrate (201) respectively.
10. according to a kind of Nozzle Zone of Vessels weld joint ultrasonic testing fixture claimed in claim 7, it is characterized in that: described probe assembly (4) comprises probe installing plate (401), probe clamper (402), guide thimble (403);
Two guide thimbles (403) are the sleeve pipe with outside flange, its be set with described in 2 guide rods (306) upper, its with outside flange be connected with described probe installing plate (401); Described probe clamper (402) is installed on a side of described probe installing plate (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320888992.7U CN203733482U (en) | 2013-12-30 | 2013-12-30 | Ultrasonic detection device for welding seam of pressure container joint pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320888992.7U CN203733482U (en) | 2013-12-30 | 2013-12-30 | Ultrasonic detection device for welding seam of pressure container joint pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203733482U true CN203733482U (en) | 2014-07-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320888992.7U Expired - Lifetime CN203733482U (en) | 2013-12-30 | 2013-12-30 | Ultrasonic detection device for welding seam of pressure container joint pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203733482U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104751917A (en) * | 2013-12-30 | 2015-07-01 | 中核武汉核电运行技术股份有限公司 | Ultrasonic inspection device for weld joints of pressure vessel connection tubes |
| CN105784739A (en) * | 2016-04-20 | 2016-07-20 | 中国化学工程第三建设有限公司 | Rolling photographing device for on-site pipeline flaw detection |
| CN105810259A (en) * | 2014-12-30 | 2016-07-27 | 中核武汉核电运行技术股份有限公司 | Detection apparatus for pressure vessel of high-temperature gas-cooled reactor |
| CN105866143A (en) * | 2016-04-20 | 2016-08-17 | 中国化学工程第三建设有限公司 | Movable field X-ray rolling shooting device for pipeline |
| CN114352945A (en) * | 2021-12-31 | 2022-04-15 | 核动力运行研究所 | Butt-joint clamping structure of CANDU (cast iron steel tube) stack fuel channel pressure pipe inspection end part |
-
2013
- 2013-12-30 CN CN201320888992.7U patent/CN203733482U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104751917A (en) * | 2013-12-30 | 2015-07-01 | 中核武汉核电运行技术股份有限公司 | Ultrasonic inspection device for weld joints of pressure vessel connection tubes |
| CN105810259A (en) * | 2014-12-30 | 2016-07-27 | 中核武汉核电运行技术股份有限公司 | Detection apparatus for pressure vessel of high-temperature gas-cooled reactor |
| CN105784739A (en) * | 2016-04-20 | 2016-07-20 | 中国化学工程第三建设有限公司 | Rolling photographing device for on-site pipeline flaw detection |
| CN105866143A (en) * | 2016-04-20 | 2016-08-17 | 中国化学工程第三建设有限公司 | Movable field X-ray rolling shooting device for pipeline |
| CN105866143B (en) * | 2016-04-20 | 2018-12-14 | 中国化学工程第三建设有限公司 | A kind of moveable field X-ray pipeline rolling photographic device |
| CN105784739B (en) * | 2016-04-20 | 2018-12-21 | 中国化学工程第三建设有限公司 | A kind of rolling photographic device for field pipes flaw detection |
| CN114352945A (en) * | 2021-12-31 | 2022-04-15 | 核动力运行研究所 | Butt-joint clamping structure of CANDU (cast iron steel tube) stack fuel channel pressure pipe inspection end part |
| CN114352945B (en) * | 2021-12-31 | 2023-11-21 | 核动力运行研究所 | CANDU stacks fuel passage pressure pipe inspection end part butt joint embraces card structure |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |
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| CX01 | Expiry of patent term |