CN108269626A - The ultrasonic examination system of the vertical nozzle inner wall of nuclear reactor steam generator - Google Patents
The ultrasonic examination system of the vertical nozzle inner wall of nuclear reactor steam generator Download PDFInfo
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- CN108269626A CN108269626A CN201611262271.XA CN201611262271A CN108269626A CN 108269626 A CN108269626 A CN 108269626A CN 201611262271 A CN201611262271 A CN 201611262271A CN 108269626 A CN108269626 A CN 108269626A
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/017—Inspection or maintenance of pipe-lines or tubes in nuclear installations
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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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- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
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Abstract
The present invention relates to steam generator nozzle inner wall ultrasound fields, specifically disclose a kind of ultrasonic examination system of the vertical nozzle inner wall of nuclear reactor steam generator.The system includes carrying platform, ultrasonic inspection apparatus and quick-connect machanism, and carrying platform is fixed in steam generator cold end hydroecium manhole, and is quickly connected and disconnected from by quick-connect machanism realization with ultrasonic inspection apparatus；Wherein, carrying platform can drive ultrasonic inspection apparatus to lift, swing in steam generator water outlet pipe, realize the ultrasonic examination to outlet pipe and main pump attachment weld inner wall.The ultrasonic examination system, carrying platform can outside steam generator cold end hydroecium Fast Installation carrying platform and ultrasonic inspection apparatus；By carrying platform ultrasonic inspection apparatus can be sent to it is each it is tested take in；Ultrasonic inspection apparatus, which can be realized to be detected by itself multiple mechanism kinematic, takes over interior positioning, installation, and can realize circumferential direction, axial ultrasonic scanning.
Description
Technical field
The invention belongs to steam generator nozzle inner wall ultrasound fields, and in particular to a kind of nuclear reactor steam
The ultrasonic examination system of the vertical nozzle inner wall of generator.
Background technology
AP1000 nuclear reactors are the generation Ⅲ nuclear power units that China is introduced from the western room in the U.S., according to the correlation of ASME specifications
It is required that the steam generator water outlet pipe of the unit and equipment attachment weld of the main pump attachment weld as major loop, belong to method
Rule must examine content, and nuclear facility department of China also accordingly proposes the inservice inspection requirement of the attachment weld, and has brought into
Three, the inservice inspection outline in Haiyang.It can be appreciated that following all AP1000 nuclear reactors are both needed to perform the inspection of the project
It looks into.
Up to now, the ultrasonic examination of the steam generator nozzle weld of nuclear power generating sets, selects connecing from weld seam outer wall
Nearly mode.And AP1000 steam generators and main pump attachment weld are heavy wall weld seam, by the limitation of ultrasonic examination method in itself,
It need to implement to check from attachment weld inner wall, and test range is 1/3 wall thickness of weld seam inner wall.
AP1000 steam generator low heads are the hemispheres of a diameter about 4500mm, and low head is divided by internal partition
Cold end hydroecium, hot junction hydroecium, water outlet pipe is takes over vertically.The attachment weld of steam generator water outlet pipe and main pump is from interior
When portion implements ultrasonic examination, the unique channel of cold end hydroecium is hydroecium manhole, manhole diameter only 457.2mm, and attachment weld is interior
Diameter 657.4mm, and take over and deposit 45 ° of angles with manhole, low head water chamber structure feature is brought greatly to the accessibility of check device
It is difficult.
During inservice inspection, steam generator and main pump region are high environment radiation area, and have internal risk of contamination；Steam is sent out
There are radiant heat point in raw device hydroecium, installation personnel health is caused to directly affect.
Invention content
The purpose of the present invention is to provide a kind of ultrasonic examination system of the vertical nozzle inner wall of nuclear reactor steam generator,
It can be moved according to desired trajectory, ultrasonic inspection apparatus be sent to tested take over, ultrasonic inspection apparatus relies on displacement
Interior positioning, installation are being taken over, and is carrying out vertical nozzle inner wall ultrasonic examination, so as to fulfill installation personnel in water outdoor mounted, behaviour
The equipment that conducts a survey is realized carries out ultrasound with main pump attachment weld to similar AP1000 steam generators water outlet pipe from weld seam inner wall
The purpose of inspection.
Technical scheme is as follows：A kind of ultrasonic examination system of the vertical nozzle inner wall of nuclear reactor steam generator
System, the system include carrying platform, ultrasonic inspection apparatus and quick-connect machanism, and it is cold that carrying platform is fixed on steam generator
It holds in hydroecium manhole, and is quickly connected and disconnected from by quick-connect machanism realization with ultrasonic inspection apparatus；Wherein, carrying platform
Ultrasonic inspection apparatus can be driven to lift, swing in steam generator water outlet pipe, realized to outlet pipe and main pump attachment weld
The ultrasonic examination of inner wall.
The carrying platform includes platform support, the first bar, the second bar and turntable, wherein, the first bar is through installation
On turntable, and it can realize that the first bar is moved along the direction of vertical turntable；Turntable is fixed on steam by platform support and sends out
In raw device cold end hydroecium manhole；First bar is rotated by the rotation of mandrel in turntable；Second bar passes through cradle head and first
Bar upper end is fixedly connected.
The platform support is disc structure, and a pair of of positioning plate is vertically installed on the disc structure；It is described fixed
Be provided with pin chute and pin jack on the plate of position, turntable by the pin chute and pin jack in pin and positioning plate,
Turntable is fixed on platform support.
The axle center of pin chute and the line in wherein the first pin jack axle center are parallel to platform branch in the positioning plate
Plane in frame where disc structure, the line and platform support in the axle center of pin chute and wherein second pin jack axle center
Plane where middle disc structure is in 45 ° of angles.
The turntable is made of turntable seat, turntable mandrel and turbine and worm engaging structure, and turntable seat passes through platform support
Pin in upper location-plate connect positioning with platform support, and turntable mandrel is then connect with turntable seat by bearing, and in worm gear snail
Bar drives rotation of the lower realization turntable mandrel relative to turntable seat.
The platform support is 1/3rd disc structures, and the spacing of a pair of of positioning plate is L=a+0.5mm thereon,
In, a is the width of turntable.
The second bar position loop bar structure is connect, and the second bar and first with the first bar upper end by cradle head
Angle between bar is adjusted by cradle head in the range of 0~100 °；Second bar is internally provided with motor, sliding screw and leads
Rail is, it can be achieved that the second rod set bar of a diameter of 40~60mm stretches in the range of 1.4m~2m.
The second bar end is connected by quick-connect machanism with ultrasonic inspection apparatus, wherein, quick connection knot
Structure includes quick-connecting joint, rotation axis and cradle head, and the second bar end is connected by cradle head with rotation axis, rotation axis
The other end be connected with quick coupling, and pass through quick coupling and be connected with ultrasonic inspection apparatus, make the second bar and rotation axis
Angle adjusted in the range of 0~100 ° by cradle head.
First bar is cylindrical bar shape structure, and the length of 1.6~2m, a diameter of 50~70mm, the first bar is by leading
Rail is installed on inside turntable mandrel, is rotated simultaneously with turntable mandrel, and the first bar slides silk by the interior motor set, lead screw
Thick stick nut is fixed on across the first club shaft on turntable mandrel, realizes that the first bar is moved along the direction of vertical turntable；First
Bar is fixedly connected with turntable mandrel by the linear guide and sliding block, make the first bar with the rotation of turntable mandrel and rotation fortune
It is dynamic.
The ultrasonic inspection apparatus include check device tilting member, upper supporting mechanism component, pallet turntable component with
And check device rack, wherein, the check device tilting member being connected with quick-connect machanism is connected with check device rack
It connects, and supporting mechanism component and pallet turntable component is respectively equipped in check device rack, and swung using check device
Component realizes swing of the ultrasonic inspection apparatus relative to carrying platform.
The check device tilting member includes oscillating machine hack lever, swings mandrel, oscillating motor component, check device armful
Ring and swing nut seat, wherein, it swings rack and is internally provided with swing mandrel, swing mandrel one end and be equipped with check device armful ring,
It swings the mandrel other end and is equipped with swing nut seat；Include motor, feed screw nut mounted on the oscillating motor component swung in rack
And crank block, motor drive the nut linear running in feed screw nut, feed screw nut is connected with swinging nut seat by pin
It connects, the movement of feed screw nut is realized by crank block swings mandrel relative to the swing for swinging rack；Swing rack passes through fast
Fast bindiny mechanism is fixedly connected with carrying platform, and check device is embraced ring and is relatively fixed with check device rack, is swung so as to pass through
Mandrel realizes swing of the ultrasonic inspection apparatus relative to carrying platform relative to the swing for swinging rack.
The check device rack includes upper support telescopic bar and check device rack bar, wherein, upper support telescopic
Bar one end is embraced ring with the check device checked in tilting member and is fixedly connected, and the other end passes through the upper branch in upper supporting mechanism component
Support group seat is connected with check device rack bar；Upper supporting mechanism component includes upper support base, slide unit, upper branch are opened in upper support
Supporting rod and upper supporting boot, wherein, upper support base is fixedly mounted on check device rack bar, and in upper support base
Portion be equipped with the matched sliding block of upper two side rails of support telescopic bar, and pass through motor drive turbine and worm, rack-and-pinion pass
Dynamic, support telescopic bar is flexible in upper support base and check device rack bar in realization；Three upper supporting boots pass through three
Upper support link is connected with upper support base, and the upper support link of parallel rod structure is stretched by connecting rod with being mounted on upper support
Slide unit is opened in upper support on contracting bar, opens slide unit moving along upper support telescopic bar, supporting boot in realization by upper support
Synchronous parallel opens.
The angle that three support links are opened changes in the range of 0~90 degree, and when support link is packed up completely,
The envelope circular diameter of three upper supporting boots, which is slightly less than, takes over " plum blossom valve " groove diameter.
The upper support opens slide unit and is equipped with lock tongue, is matched with the lockhole on upper support telescopic bar, in upper branch
After support telescopic rod is retractable to suitable position, lock tongue is inserted into lockhole, and support is made to open slide unit and is synchronized with the movement with upper support telescopic bar.
The pallet turntable component is set on the check device rack bar in check device rack, and utilizes upper support
Axial scanning driving mechanism in upper support base in mechanism part, driving leading screw rotation, with the spiral shell on pallet turntable component
Female collective effect realizes the lifting of pallet turntable component.
The pallet turntable component includes pallet and opens rack, pallet opening mandrel, circumferential scanning and searching mechanism, pallet opening
Driving mechanism, pallet stretching mechanism and probe tray, wherein, it is frame structure that pallet, which opens rack, is opened by pallet
Mandrel is fixed on check device rack bar, and the pallet being mounted in pallet opening rack is made to open driving mechanism and pallet
Opening mechanism opens mandrel rotation under the action of circumferential scanning and searching mechanism around pallet；Wherein, circumferential scanning and searching mechanism includes being mounted on support
Disk opens the motor driving pinion rotation in rack, and the gear wheel engagement rotation by being mounted on pallet turntable mandrel,
Circumferentially rotating for rack is opened so as to fulfill pallet；Probe tray opens rack with pallet by pallet stretching mechanism and is connected,
And the pallet opened in rack by being mounted on pallet opens driving mechanism and is driven, and opens probe tray.
The pallet opens driving mechanism and includes driving mechanism nut and driving mechanism rocking bar, and pallet opens driving machine
Motor driving leading screw in structure, drives driving mechanism nut to move up and down, and driving mechanism nut is connected with driving mechanism rocking bar,
And then driving mechanism rocking bar is driven to swing；Pallet stretching mechanism includes stretching mechanism drive rod, stretching mechanism intermediate bar and opens
Opening mechanism connecting rod, wherein, probe tray opens rack with pallet by stretching mechanism connecting rod and is connected, stretching mechanism drive rod one
End is connected by stretching mechanism intermediate bar with stretching mechanism connecting rod, the stretching mechanism drive rod other end and driving mechanism rocking bar phase
Connection, so as to drive the swing of stretching mechanism connecting rod by the swing of stretching mechanism drive rod, so as to fulfill of probe tray
It opens.
The remarkable result of the present invention is：A kind of vertical nozzle inner wall of nuclear reactor steam generator of the present invention
Ultrasonic examination system, carrying platform can outside steam generator cold end hydroecium Fast Installation carrying platform and ultrasonic inspection apparatus；
By carrying platform ultrasonic inspection apparatus can be sent to it is each it is tested take in；Ultrasonic inspection apparatus passes through itself multiple mechanism kinematic
It can be achieved to be detected and take over interior positioning, installation, and can realize circumferential direction, axial ultrasonic scanning.
Description of the drawings
Fig. 1 is a kind of ultrasonic examination system structure of the vertical nozzle inner wall of nuclear reactor steam generator of the present invention
Schematic diagram；
Fig. 2 is carrying platform structure diagram in Fig. 1；
Fig. 3 is platform support structure diagram in Fig. 2；
Fig. 4 is positioning plate structure schematic diagram in Fig. 3；
Fig. 5 is ultrasonic inspection apparatus structure diagram in Fig. 1；
Fig. 6 is check device tilting member structure diagram in Fig. 5；
Fig. 7 is upper supporting mechanism modular construction schematic diagram in Fig. 5；
Fig. 8 is pallet turntable modular construction schematic diagram in Fig. 5；
Fig. 9 is that pallet opens associated mechanisms structure diagram in Fig. 5；
Figure 10 is Fig. 2 intermediate station structure sectional views；
In figure：1st, carrying platform；2nd, ultrasonic inspection apparatus；3rd, quick-connect machanism；4th, platform support；5th, the first bar；6、
Second bar；7th, quick-connecting joint；8th, turntable；9th, positioning plate；10th, pin jack；11st, pin chute；12nd, check device swing part
Part；13rd, upper supporting mechanism component；14th, pallet turntable component；15th, oscillating machine hack lever；16th, mandrel is swung；17th, oscillating motor group
Part；18th, check device embraces ring；19th, nut seat is swung；20th, upper support base；21st, check device rack bar；22nd, upper support is stretched
Contracting bar；23rd, slide unit is opened in upper support；24th, upper support link；25th, upper supporting boot；26th, axial scanning driving mechanism；27th, pallet
Open rack；28th, pallet opens mandrel；29th, circumferential scanning and searching mechanism；30th, pallet opens driving mechanism；31st, pallet stretching mechanism；
32nd, probe tray；33rd, driving mechanism nut；34th, driving mechanism rocking bar；35th, stretching mechanism drive rod；36th, in stretching mechanism
Between bar；37th, stretching mechanism connecting rod；38th, turntable seat；39th, turntable mandrel；40th, turbine and worm engaging structure；41st, lead screw；
42nd, Sliding leadscrew nut.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail the present invention.
As shown in Figure 1, a kind of ultrasonic examination system of the vertical nozzle inner wall of nuclear reactor steam generator, flat including delivering
Platform 1, ultrasonic inspection apparatus 2 and quick-connect machanism 3, carrying platform 1 are fixed in steam generator cold end hydroecium manhole, and
It is realized by quick-connect machanism 3 with ultrasonic inspection apparatus 2 and is quickly connected and disconnected from；
As described in Fig. 2~4, carrying platform 1 includes platform support 4, the first bar 5, the second bar 6 and turntable 8, wherein, it puts down
Platform stent 4 is 1/3rd disc structures, and right angle setting a pair of positioning plate 9 on the disc structure, and two pieces of positioning plates 9 exist
Spacing on disc structure is L=a+0.5mm, wherein, a is the width of turntable 8；Each positioning plate 9 includes the pin of the upper end
Sliding slot 11 and two pin jacks 10, wherein, the axle center of pin chute 11 and the line in wherein the first pin jack axle center are put down
Plane of the row in platform support 4 where disc structure, the axle center of pin chute 11 and wherein second pin jack axle center
Line is in 45 ° of angles with the plane where disc structure in platform support 4；Turntable 8 by pin be inserted into pin chute 11 and
One pin jack 10 fixes turntable 8 and 4 phase of platform support, and in 1 integrated regulation posture of carrying platform, passes through transformation
Carrying platform 1 can be realized in addition to platform support 4 in pin jack 10, whole that 45 degree of angles are rotated centered on pin chute；Turn
Platform 8 is made of turntable seat 38, turntable mandrel 39 and turbine and worm engaging structure 40, and turntable seat passes through 4 upper location-plate 9 of platform support
On pin positioning is connect with platform support 4, turntable mandrel is then connect with turntable seat by bearing, and worm and gear driving under
Realize rotation of the turntable mandrel relative to turntable seat；First bar 5 is cylindrical bar shape structure, and the length of 1.6~2m is a diameter of
50~70mm, the first bar 5 are installed on inside turntable mandrel by guide rail, are rotated simultaneously with turntable mandrel, 5 built-in motor of the first bar
With lead screw 41, Sliding leadscrew nut 42 is fixed on across the first club shaft on turntable mandrel, realizes that the first bar 5 passes through leading screw
Nut structure realizes that the first bar 5 is moved along the direction of vertical turntable 8；Second bar 6 is in loop bar structure, with the first bar 5
End is connected by cradle head, and the angle between the second bar 6 and the first bar 5 is adjusted by cradle head in the range of 0~100 °
Section；Second bar 6 is internally provided with motor, sliding screw and guide rail, it can be achieved that 6 loop bar of the second bar of a diameter of 40~60mm is in 1.4m
It stretches in the range of~2m；Second bar, 6 end is connected by quick-connect machanism 3 with ultrasonic inspection apparatus 2, wherein, quickly connect
Binding structure 3 includes quick-connecting joint 7, rotation axis and cradle head, and 6 end of the second bar is connected by cradle head with rotation axis
It connects, the other end of rotation axis is connected with quick coupling 7, and passes through quick coupling 7 and be connected with ultrasonic inspection apparatus 2, makes
The angle of two bars 6 and rotation axis is adjusted by cradle head in the range of 0~100 °；
As shown in Fig. 5~9, ultrasonic inspection apparatus 2 includes check device tilting member 12, upper supporting mechanism component 13, support
Disk turntable component 14 and check device rack, wherein, the check device tilting member 12 that is connected with quick-connect machanism 3 with
Check device rack is connected, and supporting mechanism component 13 and pallet turntable component are separately installed in check device rack
14, and realize swing of the ultrasonic inspection apparatus 2 relative to carrying platform 1 using check device tilting member 12；
Check device tilting member 12 includes oscillating machine hack lever 15, swings mandrel 16, oscillating motor component 17, check device
It embraces ring 18 and swings nut seat 19, wherein, it swings and swing mandrel 16 is installed inside rack 15, swing 16 one end of mandrel peace
Ring 18 is embraced equipped with check device, 16 other end of mandrel is swung and swing nut seat 19 is installed；Mounted on the pendulum swung in rack 15
Dynamic electric machine assembly 17 includes motor, feed screw nut and crank block, and motor drives the nut linear running in feed screw nut, silk
Stem nut is connect with swinging nut seat 19 by pin, and the movement of feed screw nut is realized by crank block swings mandrel 16 relatively
In the swing for swinging rack 15；It swings rack 15 to be fixedly connected with carrying platform 1 by quick-connect machanism 3, check device is embraced
Ring 18 is relatively fixed with check device rack, so as to by swinging mandrel 16 relative to the swing for swinging rack 15, realize ultrasound
Check device 2 relative to carrying platform 1 swing；
Check device rack includes upper support telescopic bar 22 and check device rack bar 21, wherein, upper support telescopic bar
22 one end are embraced ring 18 with check device and are fixedly connected, and the other end passes through the upper support base 20 in upper supporting mechanism component 13 and inspection
Device frame bar 21 is looked into be connected；Upper supporting mechanism component 13 includes upper support base 20, slide unit 23, upper support are opened in upper support
Connecting rod 24 and upper supporting boot 25, wherein, upper support base 20 is fixedly mounted on check device rack bar 21, and in upper support
Be equipped with inside pedestal 20 with upper 22 liang of matched sliding blocks of side rails of support telescopic bar, and by motor drive turbine and worm,
Rack pinion, support telescopic bar 22 is flexible in upper support base 20 and check device rack bar 21 in realization；Three
Upper supporting boot 25 is connected by three upper support links 24 with upper support base 20, the upper support link 24 of parallel rod structure
Slide unit 23 is opened by connecting rod and the upper support on upper support telescopic bar 22, slide unit 23 is opened along upper branch by upper support
The movement of telescopic rod 22, the synchronous parallel opening of the upper supporting boot of realizations are supportted, and the angle of opening changes in the range of 0~90 degree；
After upper supporting boot connecting rod is to 90 degree, three envelope circular diameters for going up supporting boots 25 are slightly less than that take over " plum blossom valve " groove straight
Diameter；It is opened in upper support and lock tongue is installed on slide unit 23, matched with the lockhole on upper support telescopic bar 22, stretched in upper support
After contracting bar 22 is retractable to suitable position, lock tongue is inserted into lockhole, and support is made to open the fortune synchronous with upper support telescopic bar 22 of slide unit 23
It is dynamic；
Pallet turntable component 14 is mounted on the check device rack bar 21 with guide rail, and using mounted on upper branch support group
Axial scanning driving mechanism on seat 20, driving leading screw rotation, with the nut collective effect on pallet turntable component, realizes pallet
The lifting of turntable component, so as to fulfill the purpose of axial scanning；Wherein, pallet turntable component includes pallet opening rack 27, support
Disk opens mandrel 28, circumferential scanning and searching mechanism 29, pallet and opens driving mechanism 30, pallet stretching mechanism 31 and probe tray 32,
Wherein, it is frame structure that pallet, which opens rack 27, and opening mandrel 28 by pallet is fixed on check device rack bar 21, makes
The pallet in rack 27 is opened mounted on pallet and opens driving mechanism 26 and pallet stretching mechanism 31 in circumferential scanning and searching mechanism 29
Under the action of around pallet open mandrel 28 rotate；Wherein, circumferential scanning and searching mechanism 29 includes being mounted in pallet opening rack 27
Motor driving pinion rotates, and the gear wheel engagement rotation by being mounted on pallet turntable mandrel 28, so as to fulfill pallet
Open circumferentially rotating for rack 27；Probe tray 32 opens rack 27 with pallet by pallet stretching mechanism and is connected, and pass through
The pallet opening driving mechanism 30 opened mounted on pallet in rack 27 is driven, and opens probe tray 32；Wherein, pallet
It opens driving mechanism 30 and includes driving mechanism nut 33 and driving mechanism rocking bar 34, pallet opens the electricity in driving mechanism 30
Machine drives leading screw, and driving mechanism nut 33 is driven to move up and down, and driving mechanism nut 33 is connected with driving mechanism rocking bar 34,
And then driving mechanism rocking bar 34 is driven to swing；Pallet stretching mechanism 31 includes stretching mechanism drive rod 35, stretching mechanism intermediate bar
36 and stretching mechanism connecting rod 37, wherein, probe tray 32 opens rack 27 with pallet by stretching mechanism connecting rod 37 and is connected,
35 one end of stretching mechanism drive rod is connected by stretching mechanism intermediate bar 36 with stretching mechanism connecting rod 37, stretching mechanism drive rod
35 other ends are connected with driving mechanism rocking bar 34, so as to drive stretching mechanism connecting rod by the swing of stretching mechanism drive rod 35
37 swing, so as to fulfill the opening of probe tray 32.The assembly of 32 multiple ultrasonic inspection probes of probe tray, in 180
Degree is arranged symmetrically, ultrasonic inspection apparatus in place after, implement ultrasound detection.
Claims (17)
1. a kind of ultrasonic examination system of the vertical nozzle inner wall of nuclear reactor steam generator, it is characterised in that：The system includes
Carrying platform (1), ultrasonic inspection apparatus (2) and quick-connect machanism (3), it is cold that carrying platform (1) is fixed on steam generator
It holds in hydroecium manhole, and is quickly connected and disconnected from by quick-connect machanism (3) realization with ultrasonic inspection apparatus (2)；Wherein, it transports
Carrying platform (1) can drive ultrasonic inspection apparatus to lift, swing in steam generator water outlet pipe, realize to outlet pipe and main pump
The ultrasonic examination of attachment weld inner wall.
2. a kind of ultrasonic examination system of vertical nozzle inner wall of nuclear reactor steam generator according to claim 1,
It is characterized in that：The carrying platform (1) includes platform support (4), the first bar (5), the second bar (6) and turntable (8),
In, the first bar (5) is installed through on turntable (8), and can realize that the first bar (5) is moved along the direction of vertical turntable (8)；
Turntable (8) is fixed on by platform support (4) in steam generator cold end hydroecium manhole；First bar (5) passes through turntable (8) core
The rotation of axis and rotate；Second bar (6) is fixedly connected by cradle head with the first bar (5) upper end.
3. a kind of ultrasonic examination system of vertical nozzle inner wall of nuclear reactor steam generator according to claim 2,
It is characterized in that：The platform support (4) is disc structure, and a pair of of positioning plate (9) is vertically installed on the disc structure；
Pin chute (11) and pin jack (10) are provided on the positioning plate (9), turntable (8) passes through in pin and positioning plate (9)
Pin chute (11) and pin jack (10), turntable (8) is fixed on platform support (4).
4. a kind of ultrasonic examination system of vertical nozzle inner wall of nuclear reactor steam generator according to claim 3,
It is characterized in that：The axle center of pin chute (11) is parallel with the line in wherein the first pin jack axle center in the positioning plate (9)
Plane in platform support (4) where disc structure, the axle center of pin chute (11) and wherein second pin jack axle center
Line and platform support (4) in plane where disc structure be in 45 ° of angles.
5. a kind of ultrasonic examination system of vertical nozzle inner wall of nuclear reactor steam generator according to claim 3,
It is characterized in that：The turntable (8) includes turntable seat (38), turntable mandrel (39) and turbine and worm engaging structure (40), turntable
Seat connect positioning with platform support (4) by the pin in platform support (4) upper location-plate (9), and turntable mandrel (39) is then with turning
Pedestal (38) is connected by bearing, and rotation of the turntable mandrel relative to turntable seat is realized under worm and gear driving.
6. a kind of ultrasonic examination system of vertical nozzle inner wall of nuclear reactor steam generator according to Claims 2 or 3,
It is characterized in that：The platform support (4) is 1/3rd disc structures, and the spacing of a pair of of positioning plate (9) is L=a+ thereon
0.5mm, wherein, a is the width of turntable (8).
7. a kind of ultrasonic examination system of vertical nozzle inner wall of nuclear reactor steam generator according to claim 2,
It is characterized in that：Second bar (6) position loop bar structure, is connect, and the second bar with the first bar (5) upper end by cradle head
(6) angle between the first bar (5) is adjusted by cradle head in the range of 0~100 °；Second bar (6) is internally provided with electricity
Machine, sliding screw and guide rail are, it can be achieved that the second bar (6) loop bar of a diameter of 40~60mm stretches in the range of 1.4m~2m.
8. a kind of ultrasonic examination system of vertical nozzle inner wall of nuclear reactor steam generator according to claim 2,
It is characterized in that：Second bar (6) end is connected by quick-connect machanism (3) with ultrasonic inspection apparatus (2), wherein,
Fast joint structure (3) includes quick-connecting joint (7), rotation axis and cradle head, the second bar (6) end by cradle head with
Rotation axis is connected, and the other end of rotation axis is connected with quick coupling (7), and passes through quick coupling (7) and filled with ultrasonic examination
It puts (2) to be connected, the angle of the second bar (6) and rotation axis is made to be adjusted in the range of 0~100 ° by cradle head.
9. a kind of ultrasonic examination system of vertical nozzle inner wall of nuclear reactor steam generator according to claim 2,
It is characterized in that：First bar (5) be cylindrical bar shape structure, the length of 1.6~2m, a diameter of 50~70mm, the first bar (5)
It is installed on inside turntable mandrel by guide rail, is rotated simultaneously with turntable mandrel, the first bar (5) passes through the interior motor set, slip silk
Thick stick (41), Sliding leadscrew nut (42) are fixed on across the first club shaft on turntable mandrel, realize the first bar (5) along vertical turntable
(8) direction is moved；First bar (5) is fixedly connected with turntable mandrel by the linear guide and sliding block, make the first bar (5) with
The rotation of turntable mandrel and rotary motion.
10. a kind of ultrasonic examination system of vertical nozzle inner wall of nuclear reactor steam generator according to claim 1,
It is characterized in that：The ultrasonic inspection apparatus (2) includes check device tilting member (12), upper supporting mechanism component (13), support
Disk turntable component (14) and check device rack, wherein, the check device tilting member being connected with quick-connect machanism (3)
(12) it is connected with check device rack, and supporting mechanism component (13) and pallet turn is respectively equipped in check device rack
Platform component (14), and realize pendulum of the ultrasonic inspection apparatus (2) relative to carrying platform (1) using check device tilting member (12)
It is dynamic.
11. a kind of ultrasonic examination system of vertical nozzle inner wall of nuclear reactor steam generator according to claim 10,
It is characterized in that：The check device tilting member (12) includes oscillating machine hack lever (15), swing mandrel (16), oscillating motor
Component (17), check device embrace ring (18) and swing nut seat (19), wherein, it swings rack (15) and is internally provided with swing mandrel
(16), it swings mandrel (16) one end and is equipped with check device armful ring (18), swing mandrel (16) other end, which is equipped with, swings nut seat
(19)；Include motor, feed screw nut and crank block, motor mounted on the oscillating motor component (17) swung in rack (15)
The nut linear running in feed screw nut is driven, feed screw nut is connect with swinging nut seat (19) by pin, feed screw nut
Movement is realized by crank block swings mandrel (16) relative to the swing for swinging rack (15)；Rack (15) is swung by quick
Bindiny mechanism (3) is fixedly connected with carrying platform (1), and check device is embraced ring (18) and is relatively fixed with check device rack, so as to
By swinging mandrel (16) relative to the swing for swinging rack (15), realize ultrasonic inspection apparatus (2) relative to carrying platform (1)
Swing.
12. a kind of ultrasonic examination system of vertical nozzle inner wall of nuclear reactor steam generator according to claim 10,
It is characterized in that：The check device rack includes upper support telescopic bar (22) and check device rack bar (21), wherein,
Upper support telescopic bar (22) one end is embraced ring (18) with the check device checked in tilting member (12) and is fixedly connected, and the other end passes through
Upper support base (20) in upper supporting mechanism component (13) is connected with check device rack bar (21)；Upper supporting mechanism component
(13) slide unit (23), upper support link (24) and upper supporting boot (25) are opened including upper support base (20), upper support,
In, upper support base (20) is fixedly mounted on check device rack bar (21), and is equipped with inside upper support base (20)
With upper (22) the two matched sliding block of side rails of support telescopic bar, and pass through motor and drive turbine and worm, rack pinion, it is real
Now upper support telescopic bar (22) is flexible in upper support base (20) and check device rack bar (21)；Three upper supporting boots
(25) it is connected by three upper support links (24) with upper support base (20), the upper support link (24) of parallel rod structure
Slide unit (23) is opened by connecting rod and the upper support on upper support telescopic bar (22), slide unit (23) is opened by upper support
Along the movement of upper support telescopic bar (22), the synchronous parallel of supporting boot opens in realization.
13. a kind of ultrasonic examination system of vertical nozzle inner wall of nuclear reactor steam generator according to claim 12,
It is characterized in that：The angle that three support links (24) are opened changes, and support link (24) in the range of 0~90 degree
When packing up completely, the envelope circular diameter of three upper supporting boots (25), which is slightly less than, takes over " plum blossom valve " groove diameter.
14. a kind of ultrasonic examination system of vertical nozzle inner wall of nuclear reactor steam generator according to claim 12,
It is characterized in that：The lockhole phase that slide unit (23) is equipped on lock tongue, with upper support telescopic bar (22) is opened in the upper support
Cooperation, after upper support telescopic bar (22) is retractable to suitable position, lock tongue be inserted into lockhole, make support open slide unit (23) with it is upper
Support telescopic bar (22) is synchronized with the movement.
15. a kind of ultrasonic examination system of vertical nozzle inner wall of nuclear reactor steam generator according to claim 10,
It is characterized in that：The pallet turntable component (14) is set on the check device rack bar (21) in check device rack,
And using the axial scanning driving mechanism in the upper support base (20) in upper supporting mechanism component (13), driving leading screw rotates,
With the nut collective effect on pallet turntable component (14), the lifting of pallet turntable component is realized.
16. a kind of ultrasonic examination system of vertical nozzle inner wall of nuclear reactor steam generator according to claim 15,
It is characterized in that：The pallet turntable component (14) opens rack (27) including pallet, pallet opens mandrel (28), circumferentially sweeps
Mechanism (29), pallet opening driving mechanism (30), pallet stretching mechanism (31) and probe tray (32) are looked into, wherein, pallet
The frame (27) that is switched on is frame structure, and opening mandrel (28) by pallet is fixed on check device rack bar (21), makes installation
Driving mechanism (26) and pallet stretching mechanism (31) are opened in circumferential scanning and searching mechanism in the pallet that pallet is opened in rack (27)
(29) mandrel (28) is opened around pallet under the action of to rotate；Wherein, circumferential scanning and searching mechanism (29) opens machine including being mounted on pallet
Motor driving pinion rotation on frame (27), and the gear wheel engagement rotation by being mounted on pallet turntable mandrel (28),
Circumferentially rotating for rack (27) is opened so as to fulfill pallet；Probe tray (32) opens rack by pallet stretching mechanism and pallet
(27) it is connected, and the pallet opened in rack (27) by being mounted on pallet opens driving mechanism (30) and is driven, and makes spy
Head rest disk (32) opens.
17. a kind of ultrasonic examination system of vertical nozzle inner wall of nuclear reactor steam generator according to claim 16,
It is characterized in that：The pallet opens driving mechanism (30) and includes driving mechanism nut (33) and driving mechanism rocking bar
(34), pallet opens the motor driving leading screw in driving mechanism (30), driving mechanism nut (33) is driven to move up and down, driving machine
Structure nut (33) is connected with driving mechanism rocking bar (34), and then driving mechanism rocking bar (34) is driven to swing；Pallet stretching mechanism
(31) including stretching mechanism drive rod (35), stretching mechanism intermediate bar (36) and stretching mechanism connecting rod (37), wherein, probe support
Disk (32) opens rack (27) with pallet by stretching mechanism connecting rod (37) and is connected, and stretching mechanism drive rod (35) one end passes through
Stretching mechanism intermediate bar (36) is connected with stretching mechanism connecting rod (37), stretching mechanism drive rod (35) other end and driving mechanism
Rocking bar (34) is connected, so as to drive the swing of stretching mechanism connecting rod (37) by the swing of stretching mechanism drive rod (35), from
And realize the opening of probe tray (32).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611262271.XA CN108269626B (en) | 2016-12-30 | 2016-12-30 | Ultrasonic inspection system for inner wall of vertical connecting pipe of nuclear reactor steam generator |
| PCT/CN2017/119491 WO2018121683A1 (en) | 2016-12-30 | 2017-12-28 | Ultrasonic inspection system of vertical connection pipe inner wall of steam generator of nuclear reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611262271.XA CN108269626B (en) | 2016-12-30 | 2016-12-30 | Ultrasonic inspection system for inner wall of vertical connecting pipe of nuclear reactor steam generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108269626A true CN108269626A (en) | 2018-07-10 |
| CN108269626B CN108269626B (en) | 2023-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611262271.XA Active CN108269626B (en) | 2016-12-30 | 2016-12-30 | Ultrasonic inspection system for inner wall of vertical connecting pipe of nuclear reactor steam generator |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108269626B (en) |
| WO (1) | WO2018121683A1 (en) |
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| CN112225368A (en) * | 2020-11-13 | 2021-01-15 | 广东思绿环保科技股份有限公司 | Disconnect-type heavy metal effluent treatment plant |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1454491A (en) * | 1964-12-16 | 1976-11-03 | ||
| DE2634158A1 (en) * | 1976-07-29 | 1978-02-02 | Kraftwerk Union Ag | Ultrasonic test head carriage for duct and penetration welds - has hoop track and axially movable arm for test heads |
| ATA269278A (en) * | 1977-06-13 | 1981-06-15 | Kraftwerk Union Ag | TEST MANIPULATOR FOR REMOTE OPERATIONAL EXTERNAL INSPECTION OF CIRCULAR WELDING SEAMS IN PRESSURE VESSELS, ESPECIALLY THEIR ULTRASONIC TESTING IN REACTOR PRESSURE TANKS AND METHOD FOR REPRODUCTIBLE DRIVING METHOD |
| DE19641888A1 (en) * | 1996-10-10 | 1998-05-14 | Siemens Ag | Internal ultrasonic inspection manipulator |
| CN103559920A (en) * | 2013-10-30 | 2014-02-05 | 核动力运行研究所 | Mounting device and mounting method for checking device of connection pipe welding line of steam generator |
| CN103871514A (en) * | 2012-12-17 | 2014-06-18 | 核动力运行研究所 | Automatic mounting platform for steam generator connecting tube weld joint detecting device |
| CN104183289A (en) * | 2013-05-24 | 2014-12-03 | 核动力运行研究所 | Testing device for welded joints of steam generator adapter tube |
| CN105810261A (en) * | 2014-12-30 | 2016-07-27 | 中核武汉核电运行技术股份有限公司 | Pressure vessel cylinder circumferential weld ultrasonic automatic inspection device |
| CN105810267A (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 intersecting surface of adapter tubes of nuclear reactor pressure vessel |
| CN205449891U (en) * | 2015-12-30 | 2016-08-10 | 核动力运行研究所 | Little entry vertical vessel inner wall ultrasonic detection device of nuclear power station |
| CN206574494U (en) * | 2016-12-30 | 2017-10-20 | 核动力运行研究所 | The ultrasonic examination system of the vertical nozzle inner wall of nuclear reactor steam generator |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06148378A (en) * | 1992-11-02 | 1994-05-27 | Mitsubishi Heavy Ind Ltd | Ultrasonic flaw-detecting inspection equipment for fitted bolt |
| CN101916599B (en) * | 2010-08-19 | 2012-12-26 | 中广核检测技术有限公司 | Probe frame of supersonic inspection device for weld joint at safe end of nuclear reactor pressure vessel |
| CN101916597B (en) * | 2010-08-19 | 2012-08-22 | 中广核检测技术有限公司 | Automatic detection device and positioning method for weld joint at safe end of nuclear reactor pressure vessel |
| CN102486469B (en) * | 2010-12-02 | 2014-10-01 | 核动力运行研究所 | Device for ultrasonic inspection of pressure vessel connection pipe welding line |
| CN203026174U (en) * | 2012-12-17 | 2013-06-26 | 核动力运行研究所 | Automatic mounting platform for steam generator connecting tube weld joint detecting device |
| US10593435B2 (en) * | 2014-01-31 | 2020-03-17 | Westinghouse Electric Company Llc | Apparatus and method to remotely inspect piping and piping attachment welds |
-
2016
- 2016-12-30 CN CN201611262271.XA patent/CN108269626B/en active Active
-
2017
- 2017-12-28 WO PCT/CN2017/119491 patent/WO2018121683A1/en active Application Filing
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1454491A (en) * | 1964-12-16 | 1976-11-03 | ||
| DE2634158A1 (en) * | 1976-07-29 | 1978-02-02 | Kraftwerk Union Ag | Ultrasonic test head carriage for duct and penetration welds - has hoop track and axially movable arm for test heads |
| ATA269278A (en) * | 1977-06-13 | 1981-06-15 | Kraftwerk Union Ag | TEST MANIPULATOR FOR REMOTE OPERATIONAL EXTERNAL INSPECTION OF CIRCULAR WELDING SEAMS IN PRESSURE VESSELS, ESPECIALLY THEIR ULTRASONIC TESTING IN REACTOR PRESSURE TANKS AND METHOD FOR REPRODUCTIBLE DRIVING METHOD |
| DE19641888A1 (en) * | 1996-10-10 | 1998-05-14 | Siemens Ag | Internal ultrasonic inspection manipulator |
| CN103871514A (en) * | 2012-12-17 | 2014-06-18 | 核动力运行研究所 | Automatic mounting platform for steam generator connecting tube weld joint detecting device |
| CN104183289A (en) * | 2013-05-24 | 2014-12-03 | 核动力运行研究所 | Testing device for welded joints of steam generator adapter tube |
| CN103559920A (en) * | 2013-10-30 | 2014-02-05 | 核动力运行研究所 | Mounting device and mounting method for checking device of connection pipe welding line of steam generator |
| CN105810261A (en) * | 2014-12-30 | 2016-07-27 | 中核武汉核电运行技术股份有限公司 | Pressure vessel cylinder circumferential weld ultrasonic automatic inspection device |
| CN105810267A (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 intersecting surface of adapter tubes of nuclear reactor pressure vessel |
| CN205449891U (en) * | 2015-12-30 | 2016-08-10 | 核动力运行研究所 | Little entry vertical vessel inner wall ultrasonic detection device of nuclear power station |
| CN206574494U (en) * | 2016-12-30 | 2017-10-20 | 核动力运行研究所 | The ultrasonic examination system of the vertical nozzle inner wall of nuclear reactor steam generator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112225368A (en) * | 2020-11-13 | 2021-01-15 | 广东思绿环保科技股份有限公司 | Disconnect-type heavy metal effluent treatment plant |
| CN112743327A (en) * | 2020-12-30 | 2021-05-04 | 核动力运行研究所 | Nuclear power station steam generator primary side high water level closure plate dismouting robot |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018121683A1 (en) | 2018-07-05 |
| CN108269626B (en) | 2023-08-15 |
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