CN201886788U - Ultrasonic automatic checking tool for dissimilar metal welding seam of top cover instrument measuring pipe - Google Patents
Ultrasonic automatic checking tool for dissimilar metal welding seam of top cover instrument measuring pipe Download PDFInfo
- Publication number
- CN201886788U CN201886788U CN2010206387481U CN201020638748U CN201886788U CN 201886788 U CN201886788 U CN 201886788U CN 2010206387481 U CN2010206387481 U CN 2010206387481U CN 201020638748 U CN201020638748 U CN 201020638748U CN 201886788 U CN201886788 U CN 201886788U
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- top cover
- dissimilar metal
- circumferential
- metal welding
- instrument
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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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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model belongs to a welding seam checking tool, in particular to a nondestructive examination tool for a dissimilar metal welding seam of a top cover instrument measuring pipe of a loop system of a nuclear power station. An ultrasonic automatic checking tool for the dissimilar metal welding seam of the top cover instrument measuring pipe comprises three parts: a positioning device, a circumferential scanning device and an axial scanning device, wherein the positioning device fixes the axial scanning device and the circumferential scanning device. The ultrasonic automatic checking tool has the advantages that a groove-shaped guide rail is connected with a fast positioning component and a clamping component through screw threads and is fixed on the instrument measuring pipe through a fast positioning and clamping component for forming a machine frame of the whole tool, a driven wheel is arranged on the groove-shaped guide rail, a circumferential motor drives a driving wheel to rotate, a rolling wheel and the groove-shaped guide rail guide the direction and drive a transfer plate to rotate around the instrument measuring pipe under the transmission effect of a gear, and the circumferential reciprocating scanning checking of a probe tray in the circumferential direction of the instrument measuring pipe is realized.
Description
Technical field
The utility model belongs to the welding inspection instrument, is specifically related to a kind of nuclear power station one circuit system top cover instrument measurement pipe dissimilar metal welding line Non-Destructive Testing instrument.
Background technology
Nuclear plant pressure vessels top cover instrument measurement pipe is used for neutron flux in the gaging pressure container as shown in Figure 2, be distributed with 8 instrument measurement pipes on each top cover, instrument measurement pipe dissimilar metal welding line belongs to a circuit system Non-Destructive Testing, because be easy to generate defectives such as bubble, crackle in the weld seam of dissimilar metal welding back, poor weld is easy to generate fracture at fault location.The radioactive cooling medium of one loop band is leaked, thereby serious security incident will take place, therefore must regularly check such weld seam.
According to the coherence check code requirement, must locate instrument measurement pipe dissimilar metal welding line to this and carry out ultrasonic examination, as shown in Figure 1 because instrument measurement pipe surrounding space is narrow and small, install and detect the restriction that is subjected to parts such as lower shell, top cover, flow-stopping plate, CRDM pipe.And do not have special at present at mature technology and special-purpose checking tool to this position welding inspection, therefore in order to improve the detection data accuracy, and reduce human body and shone by radioactive ray, need a kind of instrument measurement pipe dissimilar metal welding line ultrasonic self-verifying instrument of development.
Summary of the invention
The purpose of this utility model provides a kind of top cover instrument measurement pipe dissimilar metal welding line ultrasonic self-verifying instrument that can realize carrying out simultaneously instrument measurement pipe circumferential and axial welding inspection function.
The utility model is to realize like this, top cover instrument measurement pipe dissimilar metal welding line ultrasonic self-verifying instrument, it comprises locating device, circumferential scanning device and three parts of axial scan device, and wherein locating device is fixed together axial scan device and circumferential scanning device.
Described locating device comprises two axial location supports, one end of two axial location supports is fixed by hinge, and the other end is fixed by the axial location active grab, also is provided with ridge on the axial location support, the protrusion bottom is connected with backstay, and backstay is connected with quick positioning element.
Described circumferential scanning device comprises two channled rails, one end of channled rail is connected through the hinge, the other end is by circular guide rail of the fixing formation of circumferential active grab, the top of channled rail is provided with quick positioning element, quick positioning element and clamping part, the inboard of the bottom of channled rail is provided with follower, and follower is meshed with driving wheel, and driving wheel can be rolled on follower by circumferential driven by motor, the bottom of channled rail be provided with roller, roller is fixed on the card extender.
Card extender is provided with the pointer bar, and pointer bar and nearest CRDM pipe are tangent.
Wherein the head of positioning element, quick positioning element is provided with block parts fast, has through hole on the clamping part, is installed with adjusting screw(rod) in the through hole, and an end of adjusting screw(rod) is connected the other end and is connected with block parts with setting nut.
Described axial scan device comprises that the bottom of web joint is fixedly connected with axial direction electric machine, the rotating shaft of axial direction electric machine is connected with screw mandrel, and screw mandrel is sleeved on the nut seat, and nut seat is fixed on the nut seat card extender, the nut seat card extender is provided with the probe pallet, on the probe pallet probe is housed.
The utility model has the advantages that, channled rail is with positioning element, clamping part adopt thread connection fast, be fixed on the instrument measurement pipe by quick location and clamping part, constitute the frame of entire tool, follower is installed on the channled rail, and circumferentially driven by motor driving wheel rotation is under the gear drive effect, roller and channled rail guiding drive card extender around the rotation of instrument measurement pipe, realize that the probe tray is along the circumferentially back and forth scanning of this instrument measurement pipe; Adopt thread connection between linear arm and card extender, these parts are joined a cover leading screw nut by two cover linear bearings and are formed, adopt thread connection between nut seat and the nut seat card extender, when leading screw rotates, nut seat moves up and down in the linear bearing guide effect, the probe pallet is fixed on the nut seat web joint, thus realize the probe pallet along this instrument measurement tubular axis to doing reciprocal scanning; The axial location support is made up of two parts, adopts hinge and axial location active grab connecting mode, and during work, hanger bracket hangs over instrument measurement pipe upper flanges end face, utilizes face to fit and locatees, and guarantees equipment to be installed in axial same position at every turn; For checking tool is installed to circumferential same position at every turn, pointer bar one end is fixed on the checking tool channled rail, utilize during instrument its pointer bar outer round surface and a nearest CRDM pipe outer wall tangent during installation, thereby realize circumferentially location.
Description of drawings
Fig. 1 is the pressure vessels top cover structural representation;
Fig. 2 is a nuclear plant pressure vessels top cover instrument measurement pipe synoptic diagram;
Fig. 3 is a top cover instrument measurement pipe dissimilar metal welding line ultrasonic self-verifying instrument synoptic diagram provided by the utility model;
Fig. 4 is a top cover instrument measurement pipe dissimilar metal welding line ultrasonic self-verifying instrument front view provided by the utility model;
Fig. 5 is the vertical view of Fig. 4;
Fig. 6 is a circumferential scanning device synoptic diagram.
Among the figure, 1 axial location support, 2 hinges, 3 instrument measurement pipes, 4 backstays, 5 quick positioning elements, 6 channled rails, 7 driving wheels, 8 circumferential active grabs, 9 circumferential motors, 10 axial location active grabs, 11 quick positioning elements, 12 pointer bars, 13 followers, 14 clamping parts, 15 rollers, 16 card extenders, 17 screw mandrels, 18 probe pallets, 19 linear bearings, 20 nut seats, 21 nut seat card extenders, 23 handles, 24 screw rods, 25 movable blocks, 101 top covers, 102 aperture of doors, 103 instrument measurement pipes, 104 lower shells, 105 flow-stopping plates, 106CRDM pipe, 201 instrument measurement pipes are taken over, 202 dissimilar metal welding lines, 203 instrument measurement pipes.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in detail:
As shown in Figure 3, it comprises locating device top cover instrument measurement pipe dissimilar metal welding line ultrasonic self-verifying instrument, three parts of circumferential scanning device and axial scan device, wherein locating device is fixed on axial scan device and circumferential scanning device need carry out on the gauge pipe of welding inspection.
Below locating device, circumferential scanning device and axial scan device are specifically described.
Wherein locating device comprises two Semicircular axial location supports 1, one end of two axial location supports 1 is fixed together by hinge 2, the other end is fixed together by axial location active grab 11, can be enclosed within easily and need carry out on the gauge pipe of welding inspection thereby constitute a circular collar.Also be provided with the ridge of a plurality of long plate shapes on the axial location support 1, protrusion is in the present embodiment selected three, its concrete number can come as the case may be also to determine that the protrusion bottom can be connected with the backstay 4 of elongated rod shape, and backstay 4 is connected with channled rail 6 again.
The circumferential scanning device comprises two Semicircular channled rails 6, one end of channled rail 6 adopts hinge to interconnect and is fixed together, the other end adopts circular guide rail of circumferential active grab 8 fixing formations, the upper end of channled rail 6 has been bolted to connection follower 13, follower 13 when channled rail 6 is combined into circular guide rail on it constitutes a circular gear ring simultaneously, the top of channled rail 6 is fixed with the quick positioning element 5 of square shape uniformly by being threaded, the quick positioning element 11 of square shape and clamping part 14, wherein quick positioning element 5, the head of positioning element 11 all is fixed with circular-arc block parts fast, it can cooperate with the gauge pipe that needs carry out welding inspection and above firm being fitted in, clamping part 14 is that the parts of a square shape have through hole thereon, be installed with adjusting screw(rod) in the through hole, one end of adjusting screw(rod) is connected the other end and is connected with circular-arc block parts with setting nut, thereby reaches the purpose of location by the distance that the rotation setting nut changes block parts and gauge pipe.Follower 13 on the channled rail 6 is meshed with driving wheel 7, driving wheel 7 is driven and can be rolled on follower 13 by circumferential motor 9, the outside of the bottom of channled rail 6 is equipped with roller 15, two rollers 15 constitute in one group of groove that is installed on channled rail 6, roller 15 also is fixedly mounted on the card extender 16 of arc by web member simultaneously, many group rollers 15 card extender 16 can be fixed and along with roller 15 under the drive of driving wheel 7 around the channled rail circular motion, also be fixedly connected with the pointer bar 12 of elongated rod shape on the card extender 16, pointer bar 12 is tangent with a nearest CRDM pipe, finishes circumferential positioning function.
The axial scan device comprises that the bottom of web joint 16 is fixedly connected with axial direction electric machine 22, the rotating shaft of axial direction electric machine 22 is connected with screw mandrel 17, screw mandrel 17 is sleeved on the nut seat 20, nut seat 20 is fixed on the semiorbicular nut seat card extender 21, be furnished with a plurality of probe pallets 18 on the nut seat card extender 21 uniformly, on the probe pallet 18 probe that is used to survey is housed, nut seat card extender 21 top nut seats 20 both sides linear bearing 19 also is installed, the bearing 19 last linear arm that are with, linear arm and screw mandrel 17 can be located nut seat card extender 21 firm axial and circumferential.
Using method of the present utility model is as follows:
Circumferentially motor 9 drives driving wheel 7 rotations, and under the effect of gear drive power, roller and channled rail guiding drive card extender 16 rotations, realize circumferential scanning;
Bilinear bearing 19 is realized rectilinear motion with the linear arm that ball-screw 17 is formed, and under the guide effect of linear bearing, the screw mandrel rotation drives nut seat 20 and nut seat card extender 21 moves up and down, and realizes axially back and forth scanning;
Circumferentially the location adopts pointer bar 12 tangent with a nearest CRDM pipe, finishes circumferential location;
Channled rail 6 and quick positioning element 5,11, clamping part 14 adopts thread connection, be fixed on the instrument measurement pipe 3 by quick location and clamping part, constitute the frame of entire tool, follower 13 is installed on the channled rail 6, circumferentially motor 9 drives driving wheel 7 rotations, under the gear drive effect, roller 15 drives card extender 16 with the channled rail guiding and rotates around the instrument measurement pipe, realize that the probe pallet is along the circumferentially back and forth scanning of this instrument measurement pipe, follower and channled rail all are made up of two parts, adopt hinge and circumferential active grab 8 connecting modes, can realize two kinds of mounting meanss of straight shell type and snap ring-type.
Adopt thread connection between linear arm and card extender, these parts are joined a cover leading screw 17 nuts by two cover linear bearings 19 and are formed, adopt thread connection between nut seat 20 and the nut seat card extender 21, when leading screw rotates, nut seat moves up and down in the linear bearing guide effect, probe pallet 18 is fixed on the nut seat web joint, thus realize the probe pallet along this instrument measurement tubular axis to doing reciprocal scanning.
Axial location support 1 is made up of two parts, adopts hinge 2 and axial location active grab 10 connecting modes, thereby can realize straight shell type and two kinds of mounting meanss of snap ring-type.During work, hanger bracket hangs over instrument measurement pipe upper flanges end face, utilizes face to fit and locatees, and adopts the suspension type location between backstay 4 and channled rail.When realizing two kinds of mounting meanss, guarantee equipment to be installed in axial same position at every turn.
For checking tool is installed to circumferential same position at every turn, pointer bar 12 1 ends are fixed on the checking tool channled rail, utilize during instrument its pointer bar outer round surface and a nearest CRDM pipe outer wall tangent during installation, thereby realize circumferentially location.
Claims (6)
1. top cover instrument measurement pipe dissimilar metal welding line ultrasonic self-verifying instrument, it is characterized in that: it comprises locating device, circumferential scanning device and three parts of axial scan device, and wherein locating device is fixed together axial scan device and circumferential scanning device.
2. top cover instrument measurement pipe dissimilar metal welding line ultrasonic self-verifying instrument as claimed in claim 1, it is characterized in that: described locating device comprises two axial location supports (1), one end of two axial location supports (1) is fixing by hinge (2), the other end is fixing by axial location active grab (11), the axial location support also is provided with ridge on (1), the protrusion bottom is connected with backstay (4), and backstay (4) is connected with channled rail (6).
3. top cover instrument measurement pipe dissimilar metal welding line ultrasonic self-verifying instrument as claimed in claim 1, it is characterized in that: described circumferential scanning device comprises two channled rails (6), one end of channled rail (6) is connected through the hinge, the other end is by circular guide rail of the fixing formation of circumferential active grab (8), the top of channled rail (6) is provided with quick positioning element (5), quick positioning element (11) and clamping part (14), the inboard of the bottom of channled rail (6) is provided with follower (13), follower (13) is meshed with driving wheel (7), driving wheel (7) is driven to go up at follower (13) by circumferential motor (9) and rolls, the bottom of channled rail (6) is provided with roller (15), and roller (15) is fixed on the card extender (16).
4. top cover instrument measurement pipe dissimilar metal welding line ultrasonic self-verifying instrument as claimed in claim 3, it is characterized in that: card extender (16) is provided with pointer bar (12), and pointer bar (12) is tangent with a nearest CRDM pipe.
5. top cover instrument measurement pipe dissimilar metal welding line ultrasonic self-verifying instrument as claimed in claim 3, it is characterized in that: wherein the head of positioning element (5), quick positioning element (11) is provided with block parts fast, clamping part has through hole on (14), be installed with adjusting screw(rod) in the through hole, an end of adjusting screw(rod) is connected the other end and is connected with block parts with setting nut.
6. top cover instrument measurement pipe dissimilar metal welding line ultrasonic self-verifying instrument as claimed in claim 1, it is characterized in that: described axial scan device comprises that the bottom of web joint (16) is fixedly connected with axial direction electric machine (22), the rotating shaft of axial direction electric machine (22) is connected with screw mandrel (17), screw mandrel (17) is sleeved on the nut seat (20), nut seat (20) is fixed on the nut seat card extender (21), nut seat card extender (21) is provided with probe pallet (18), on the probe pallet (18) probe is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206387481U CN201886788U (en) | 2010-12-02 | 2010-12-02 | Ultrasonic automatic checking tool for dissimilar metal welding seam of top cover instrument measuring pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206387481U CN201886788U (en) | 2010-12-02 | 2010-12-02 | Ultrasonic automatic checking tool for dissimilar metal welding seam of top cover instrument measuring pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201886788U true CN201886788U (en) | 2011-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206387481U Expired - Lifetime CN201886788U (en) | 2010-12-02 | 2010-12-02 | Ultrasonic automatic checking tool for dissimilar metal welding seam of top cover instrument measuring pipe |
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| CN (1) | CN201886788U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102486942A (en) * | 2010-12-02 | 2012-06-06 | 核动力运行研究所 | Ultrasonic automatic checking tool for dissimilar metal welding seam of top cover instrument measuring pipe |
| CN103151082A (en) * | 2013-03-06 | 2013-06-12 | 中广核检测技术有限公司 | Casing pipe vortex detection device of electric heating element of voltage stabilizer of nuclear power plant |
| CN103187111A (en) * | 2011-12-28 | 2013-07-03 | 核动力运行研究所 | Ultrasonic testing tool for welding line of safety injection pipe of pressure vessel in nuclear power station |
| CN108759886A (en) * | 2018-05-22 | 2018-11-06 | 中国电建集团河南工程有限公司 | A kind of boiler small diameter pipe welded joint detection device |
| CN111610196A (en) * | 2019-02-22 | 2020-09-01 | 汉阳Eng株式会社 | Weld bead inspection device for welded pipe |
-
2010
- 2010-12-02 CN CN2010206387481U patent/CN201886788U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102486942A (en) * | 2010-12-02 | 2012-06-06 | 核动力运行研究所 | Ultrasonic automatic checking tool for dissimilar metal welding seam of top cover instrument measuring pipe |
| CN102486942B (en) * | 2010-12-02 | 2015-03-25 | 核动力运行研究所 | Ultrasonic automatic checking tool for dissimilar metal welding seam of top cover instrument measuring pipe |
| CN103187111A (en) * | 2011-12-28 | 2013-07-03 | 核动力运行研究所 | Ultrasonic testing tool for welding line of safety injection pipe of pressure vessel in nuclear power station |
| CN103187111B (en) * | 2011-12-28 | 2015-08-26 | 核动力运行研究所 | A kind of nuclear plant pressure vessels peace note pipe welding line ultrasonic checking tool |
| CN103151082A (en) * | 2013-03-06 | 2013-06-12 | 中广核检测技术有限公司 | Casing pipe vortex detection device of electric heating element of voltage stabilizer of nuclear power plant |
| CN108759886A (en) * | 2018-05-22 | 2018-11-06 | 中国电建集团河南工程有限公司 | A kind of boiler small diameter pipe welded joint detection device |
| CN111610196A (en) * | 2019-02-22 | 2020-09-01 | 汉阳Eng株式会社 | Weld bead inspection device for welded pipe |
| CN111610196B (en) * | 2019-02-22 | 2023-10-27 | 汉阳Eng株式会社 | Weld bead inspection device for welded pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110629 |
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| CX01 | Expiry of patent term |