CN102486469B - Device for ultrasonic inspection of pressure vessel connection pipe welding line - Google Patents
Device for ultrasonic inspection of pressure vessel connection pipe welding line Download PDFInfo
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- CN102486469B CN102486469B CN201010571009.XA CN201010571009A CN102486469B CN 102486469 B CN102486469 B CN 102486469B CN 201010571009 A CN201010571009 A CN 201010571009A CN 102486469 B CN102486469 B CN 102486469B
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Abstract
The invention relates to the technical field of pressure vessel connection pipe ultrasonic nondestructive inspection, and specially, discloses a device for ultrasonic inspection of a pressure vessel connection pipe welding line. The device for ultrasonic inspection of a pressure vessel connection pipe welding line comprises a driving part, a connection pipe welding line scanning part and a safe end welding line scanning part. The driving part drives the connection pipe welding line scanning part and the safe end welding line scanning part to move circumferentially and axially through a circumferential motor and an axial motor, and carries out ultrasonic inspection of the connection pipe welding line scanning part and the safe end welding line scanning part. Through a frame, a middle support and an end support, the device provided by the invention has a stable axis in scanning and is coaxial with a connection pipe. A screw and the circumferential motor drive a circumferential gear so that a connection pipe probe rack and a safe end probe rack can carry out circumferential and axial scanning.
Description
Technical field
The invention belongs to the ultrasonic nondestructive inspection (NDI) technical field of Nozzle Zone of Vessels, be specifically related to a kind of device for ultrasonic inspection of pressure vessel connection pipe welding line.
Background technology
Nozzle Zone of Vessels is for a long time in high-temperature high-pressure state, and is with highly radioactive heat eliminating medium therefrom to flow through, if this region leak, by serious security incident occurs, therefore must regularly check the adapter weld seam of this adapter and safe end weld seam.Adopting automation equipment to implement ultrasonic inspection to these weld seams is a kind of conventional important means.Complete the ultrasonic examination of adapter, probe has moving of axial and circumferential both direction along tube wall in scanning process.And the motion of popping one's head in scanning process will stablize, can not there is shake.
Summary of the invention
The object of the present invention is to provide a kind of device for ultrasonic inspection of pressure vessel connection pipe welding line, can realize at scanning process axis and adapter axis coaxle, and realize stable axial and circumferential scanning, and a plurality of probes can be installed as required, adapter end weld seam and the safe end weld seam of butt tube carry out scanning.
Technical scheme of the present invention is: a kind of device for ultrasonic inspection of pressure vessel connection pipe welding line, comprise drive part, take over weld seam scanning part and safe end weld seam scanning part, wherein, drive part comprises axial direction electric machine, circumferential motor, screw mandrel and frame, wherein, frame is ladder cylindrical structure, and is fixed with circumferential motor in left circles column casing end face extension, and circumferentially on motor, be fixed with circumferential gear, axial direction electric machine center is fixedly connected with screw mandrel; Taking over weld seam scanning part is fixedly connected with and is meshed with circumferential gear with the axial gears in drive part; Safe end weld seam scanning part is connected with adapter weld seam scanning partial fixing, makes drive part can drive adapter weld seam scanning part partly to carry out ultrasonic examination with the scanning of safe end weld seam.
Described adapter weld seam scanning partly comprises takes over the axis of guide, intermediate support beam and takes over probe holder, wherein, taking over the axis of guide is a plurality of rod shaped structure, and the left side of rod shaped structure is fixedly connected with through the axial gears in drive part and with the disc structure of taking over axis of guide left side, axial gears is fixed in the rod shaped structure of taking over the axis of guide, take over the disc structure center drilling in axis of guide left side, be enclosed within on axial direction electric machine and can rotate corresponding thereto; On the left of taking over the right side of the axis of guide and the inner core of intermediate support beam, be fixedly connected with, wherein, intermediate support beam is the double tubular structure through screw mandrel, and inside and outside two cylindrical shells can rotate mutually, some bar-shaped supporting legs are installed on the outer tube wall of intermediate support beam, can make intermediate support beam stably be on the axis of examine adapter; Have the adapter probe holder of cylindrical shape taking over cover in the rod shaped structure of the axis of guide, and to take over probe holder center be threaded hole, and through screw mandrel, match with the screw thread on screw mandrel.
Described safe end weld seam scanning partly comprises the safe end axis of guide, safe end probe holder and end support shelves, wherein, the safe end axis of guide is a plurality of rod shaped structure, and grip by the disc structure of the left and right sides, the disc structure center drilling at safe end axis of guide two ends, through screw mandrel, the disc structure of safe end axis of guide left end is fixedly connected with the inner core right side of intermediate support beam, safe end axis of guide right-hand member is connected with end support shelves left side bearing, wherein, center, end support shelves left side has cylinder groove, right-hand end to screw mandrel supports, end support shelves right side has three with the club shaped structure supporting leg of roller, make on the stable axis of taking in examine of end support shelves, in the rod shaped structure of the safe end axis of guide, cover has the safe end probe holder of cylindrical shape, and the center of safe end probe holder is threaded hole, and through screw mandrel, matches with the screw thread on screw mandrel.
A plurality of rod shaped structure of the described adapter axis of guide are the circumferential rod shaped structure being parallel to each other, and rod shaped structure is 3 or 4 or 5.
A plurality of rod shaped structure of the described safe end axis of guide are the circumferential rod shaped structure being parallel to each other, and rod shaped structure is 3 or 4 or 5.
The adapter end that the cylindrical drum external diameter that described frame right side diameter is larger and examine are taken over matches.
Advantage of the present invention is, this device for ultrasonic inspection of pressure vessel connection pipe welding line is by frame, intermediate support beam and end support shelves, the axis that can make this device in scanning process stably and with take over axis coaxle; Meanwhile, by screw mandrel and the circumferential circumferential gear of driven by motor, make to take over probe holder and safe end probe holder and can realize circumferential and axial scanning.
Accompanying drawing explanation
Fig. 1 is device for ultrasonic inspection of pressure vessel connection pipe welding line structural representation;
In figure, 1, axial direction electric machine; 2, circumferential gear; 3, circumferential motor; 4, frame; 5, take over probe holder; 6, take over the axis of guide; 7, leading screw; 8, intermediate support beam; 9, safe end probe holder; 10, the safe end axis of guide; 11, end support shelves; 12, take over; 13, take over end weld seam; 14, safe end weld seam; 15, axial gears.
Embodiment
Below in conjunction with drawings and Examples, describe the present invention:
As shown in Figure 1, device for ultrasonic inspection of pressure vessel connection pipe welding line comprises drive part, takes over weld seam scanning part and safe end scanning part, wherein, drive part comprises axial direction electric machine 1, circumferential motor 3, screw mandrel 7 and frame 4, wherein, frame 4 is ladder cylindrical structure, and the cylindrical drum external diameter that right side diameter is larger matches with the adapter end of taking over 12, frame firmly can be stuck in to the adapter end of taking over 12, in the left circles column casing end face extension of frame 4, be fixed with circumferential motor 3, and be installed with circumferential gear 2 on the axle of circumferential motor 3, the center of axial direction electric machine 1 is fixed with screw mandrel 7, and screw mandrel 7 is through the center of frame 4, extend into always and takes in 12, and in taking on 12 axis, take over weld seam scanning and partly comprise the adapter axis of guide 6, intermediate support beam 8 and adapter probe holder 5, wherein, take over the axis of guide 6 for circumferential a plurality of rod shaped structure that are parallel to each other, and the left side of rod shaped structure is fixedly connected with through the axial gears 15 in drive part and with the disc structure of taking over the axis of guide 6 left sides, axial gears 15 is fixed in the rod shaped structure of taking over the axis of guide 6, and be meshed with the circumferential gear 2 that is fixed on circumferential motor 3, wherein, the rod shaped structure of taking over the axis of guide 6 can be 3 as required, 4, 5 etc., take over the disc structure center drilling in the axis of guide 6 left sides, be enclosed within on axial direction electric machine 1 and can rotate corresponding thereto, taking over the right side of the axis of guide 6 and the left side inner core of intermediate support beam 8 is fixedly connected with, wherein, intermediate support beam 8 is the double tubular structure through screw mandrel 7, and inside and outside two cylindrical shells can rotate mutually, some bar-shaped supporting legs are installed on the outer tube wall of intermediate support beam 8, can make intermediate support beam 8 stably be on the axis of taking over 12, have the adapter probe holder 5 of cylindrical shape taking over cover in the rod shaped structure of the axis of guide 6, and to take over probe holder 5 centers be threaded hole, and through screw mandrel 7, match with the screw thread on screw mandrel 7, safe end scanning partly comprises the safe end axis of guide 10, safe end probe holder 9 and end support shelves 11, wherein, the safe end axis of guide 10 is circumferential a plurality of rod shaped structure that are parallel to each other, and grip by the disc structure of the left and right sides, wherein, the rod shaped structure of the safe end axis of guide 10 can be 3 as required, 4, 5 etc., the disc structure center drilling at the safe end axis of guide 10 two ends, through screw mandrel 7, the disc structure of the safe end axis of guide 10 left ends is fixedly connected with the inner core right side of intermediate support beam 8, the safe end axis of guide 10 right-hand members are connected with end support shelves 11 left side bearings, wherein, end support shelves 11 centers, left side have cylinder groove, right-hand end to screw mandrel 7 supports, end support shelves 11 right sides have three with the club shaped structure supporting leg of roller, make end support shelves 11 stable in taking on 12 axis, in the rod shaped structure of the safe end axis of guide 10, cover has the safe end probe holder 9 of cylindrical shape, and the center of safe end probe holder 9 is threaded hole, and through screw mandrel 7, matches with the screw thread on screw mandrel 7.
Device for ultrasonic inspection of pressure vessel connection pipe welding line butt tube 12 carries out welding line ultrasonic checking process: device for ultrasonic inspection of pressure vessel connection pipe welding line is packed in adapter, by frame 4, intermediate support beam 8 and end support shelves 11 are stably fixed at takes in 12, to on adapter probe holder 5 and safe end probe holder 9, a plurality of probes be installed as required, when axial direction electric machine 1 drives screw mandrel 7 to rotate, screw thread on screw mandrel 7 makes to take over probe holder 5 and safe end probe holder 9 along the rod shaped structure rectilinear motion of taking over the axis of guide 6 and the safe end axis of guide 10, thereby can utilize the probe docking pipe end weld seam 13 of taking on probe holder 5 to carry out axis inspection, utilize the probe on safe end probe holder 9 to carry out axis inspection to safe end weld seam 14, when circumferential motor 3 rotates, circumferentially the circumferential gear 2 on motor 3 meshes with axial gears 15, thereby drive the adapter axis of guide 6 to move in the circumferential direction, take over the axis of guide 6 and drive the safe end axis of guide 10 synchronously to move in the circumferential direction by intermediate support beam 8 inner cores, through taking over, the axis of guide 6 can dock respectively pipe end weld seam 13 with the adapter probe holder 5 of rod shaped structure in the safe end axis of guide 10 with safe end probe holder and safe end weld seam 14 circumferentially checks, when axial direction electric machine 1 coordinates rotation with circumferential motor 3, can dock respectively pipe end weld seam 13 and carry out scanning with safe end weld seam 14.
Claims (5)
1. a device for ultrasonic inspection of pressure vessel connection pipe welding line, it is characterized in that: comprise drive part, take over weld seam scanning part and safe end weld seam scanning part, wherein, drive part comprises axial direction electric machine (1), circumferential motor (3), screw mandrel (7) and frame (4), wherein, frame (4) is ladder cylindrical structure, and be fixed with circumferential motor (3) in left circles column casing end face extension, and circumferentially on motor (3), be fixed with circumferential gear (2), axial direction electric machine (1) center is fixedly connected with screw mandrel (7); Take over weld seam scanning part and be fixedly connected with the axial gears (15) in drive part, and axial gears (15) is meshed with circumferential gear (2); Safe end weld seam scanning part is connected with adapter weld seam scanning partial fixing, makes drive part can drive adapter weld seam scanning part partly to carry out ultrasonic examination with the scanning of safe end weld seam; Wherein, described adapter weld seam scanning partly comprises takes over the axis of guide (6), intermediate support beam (8) and takes over probe holder (5), wherein, taking over the axis of guide (6) is a plurality of rod shaped structure, and the left side of rod shaped structure is fixedly connected with through the axial gears (15) in drive part and with the disc structure of taking over the axis of guide (6) left side, axial gears (15) is fixed in the rod shaped structure of taking over the axis of guide (6), take over the disc structure center drilling in the axis of guide (6) left side, be enclosed within axial direction electric machine (1) above and can rotate corresponding thereto; On the left of taking over the right side of the axis of guide (6) and the inner core of intermediate support beam (8), be fixedly connected with, wherein, intermediate support beam (8) is the double tubular structure through screw mandrel (7), and inside and outside two cylindrical shells can rotate mutually, some bar-shaped supporting legs are installed on the outer tube wall of intermediate support beam (8), can make intermediate support beam (8) stably be on the axis of examine adapter; In the rod shaped structure of taking over the axis of guide (6), cover has the adapter probe holder (5) of cylindrical shape, and to take over probe holder (5) center be threaded hole, and through screw mandrel (7), matches with the screw thread on screw mandrel (7).
2. a kind of device for ultrasonic inspection of pressure vessel connection pipe welding line according to claim 1, it is characterized in that: described safe end weld seam scanning partly comprises the safe end axis of guide (10), safe end probe holder (9) and end support shelves (11), wherein, the safe end axis of guide (10) is a plurality of rod shaped structure, and grip by the disc structure of the left and right sides, the disc structure center drilling at the safe end axis of guide (10) two ends, through screw mandrel (7), the disc structure of the safe end axis of guide (10) left end is fixedly connected with the inner core right side of intermediate support beam (8), the safe end axis of guide (10) right-hand member is connected with end support shelves (11) left side bearing, wherein, center, end support shelves (11) left side has cylinder groove, right-hand end to screw mandrel (7) supports, end support shelves (11) right side has three with the club shaped structure supporting leg of roller, make on the stable axis of taking in examine of end support shelves (11), in the rod shaped structure of the safe end axis of guide (10), cover has the safe end probe holder (9) of cylindrical shape, and the center of safe end probe holder (9) is threaded hole, and through screw mandrel (7), matches with the screw thread on screw mandrel (7).
3. a kind of device for ultrasonic inspection of pressure vessel connection pipe welding line according to claim 1, it is characterized in that: a plurality of rod shaped structure of the described adapter axis of guide (6) are the circumferential rod shaped structure being parallel to each other, and rod shaped structure is 3 or 4 or 5.
4. a kind of device for ultrasonic inspection of pressure vessel connection pipe welding line according to claim 2, it is characterized in that: a plurality of rod shaped structure of the described safe end axis of guide (10) are the circumferential rod shaped structure being parallel to each other, and rod shaped structure is 3 or 4 or 5.
5. a kind of device for ultrasonic inspection of pressure vessel connection pipe welding line according to claim 1, is characterized in that: the adapter end that the cylindrical drum external diameter that described frame (4) right side diameter is larger and examine are taken over matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010571009.XA CN102486469B (en) | 2010-12-02 | 2010-12-02 | Device for ultrasonic inspection of pressure vessel connection pipe welding line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010571009.XA CN102486469B (en) | 2010-12-02 | 2010-12-02 | Device for ultrasonic inspection of pressure vessel connection pipe welding line |
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| Publication Number | Publication Date |
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| CN102486469A CN102486469A (en) | 2012-06-06 |
| CN102486469B true CN102486469B (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010571009.XA Active CN102486469B (en) | 2010-12-02 | 2010-12-02 | Device for ultrasonic inspection of pressure vessel connection pipe welding line |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818856A (en) * | 2012-08-09 | 2012-12-12 | 江苏三合声源超声波科技有限公司 | Supporting device of ultrasonic probe |
| CN103871515B (en) * | 2012-12-17 | 2016-06-15 | 核动力运行研究所 | A kind of reactor pressure vessel main pipeline ultrasonic examination instrument |
| CN103871514B (en) * | 2012-12-17 | 2017-02-22 | 核动力运行研究所 | Automatic mounting platform for steam generator connecting tube weld joint detecting device |
| CN104183289B (en) * | 2013-05-24 | 2017-05-17 | 核动力运行研究所 | Testing device for welded joints of steam generator adapter tube |
| CN105321587B (en) * | 2014-07-15 | 2018-11-30 | 中核武汉核电运行技术股份有限公司 | A kind of adapter tube and safety end of nuclear reactor pressure vessel weld seam inspection systems |
| CN105806941B (en) * | 2014-12-30 | 2018-08-21 | 中核武汉核电运行技术股份有限公司 | A kind of vacuum cap type small-caliber pipeline inner wall water logging ultrasonic inspection apparatus |
| CN105806957B (en) * | 2014-12-30 | 2018-11-02 | 中核武汉核电运行技术股份有限公司 | A kind of opening path inside pipe wall and end face check ultrasound vortex coupling probe structure |
| CN108269626B (en) * | 2016-12-30 | 2023-08-15 | 核动力运行研究所 | Ultrasonic inspection system for inner wall of vertical connecting pipe of nuclear reactor steam generator |
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Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201876440U (en) * | 2010-12-02 | 2011-06-22 | 核动力运行研究所 | Ultrasonic inspection device of connecting pipe welding seam of pressure container |
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2010
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Patent Citations (6)
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| US3926040A (en) * | 1973-09-04 | 1975-12-16 | Rockwell International Corp | Device for guiding sensor movement within a tube |
| US6137853A (en) * | 1994-10-13 | 2000-10-24 | General Electric Company | Method and apparatus for remote ultrasonic inspection of nozzles in vessel bottom head |
| US5899795A (en) * | 1996-12-19 | 1999-05-04 | Penza; G. Gregory | Multi-function pipeline weld removal apparatus |
| CN2399173Y (en) * | 1999-11-26 | 2000-10-04 | 北京电力科学研究院 | Central hole supersonic scanning manipulator for rotary mechanical shaft |
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| CN102486469A (en) | 2012-06-06 |
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