CN108269633A - Nuclear power station reactor control stick tread assembly check device detection probe driving device - Google Patents
Nuclear power station reactor control stick tread assembly check device detection probe driving device Download PDFInfo
- Publication number
- CN108269633A CN108269633A CN201611261015.9A CN201611261015A CN108269633A CN 108269633 A CN108269633 A CN 108269633A CN 201611261015 A CN201611261015 A CN 201611261015A CN 108269633 A CN108269633 A CN 108269633A
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- Prior art keywords
- probe
- gear
- drive shaft
- component
- shaft
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/10—Structural combination of fuel element, control rod, reactor core, or moderator structure with sensitive instruments, e.g. for measuring radioactivity, strain
-
- 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
Abstract
The present invention relates to one loop of nuclear power station system technical field of nondestructive testing, specifically disclose nuclear power station reactor control stick tread assembly check device detection probe driving device.It is located at several groups of probe drive components inside sun gear member in the device to be mounted on probe installing plate, probe installing plate, gear ring drive shaft component, idle pulley shaft member and drive shaft component are installed on bottom plate, drive shaft component is rotated by idle pulley shaft member driven gear ring drive shaft component, and the engaged transmission of all components and sun gear member middle gear is driven by gear ring, the detection probe in several groups of probe drive components inside sun gear member is driven to rotate synchronously.The device can realize that 1 motor drives synchronous, synchronized rotation of 18 detection probes with 1 reference probe, and realize detection to 18 control rods, for judge control rod continue use, repair or replace provides accurate foundation, thus extend as far as possible RCCA service life and ensure the safety and economic operation of nuclear power station.
Description
Technical field
The invention belongs to one loop of nuclear power station system technical field of nondestructive testing, and in particular to nuclear power station reactor control stick
Tread assembly check device detection probe driving device.
Background technology
Nuclear power station reactor control stick tread assembly (Rod Cluster Control Assembly, hereinafter referred to as RCCA) is
Control the important device of nuclear reactor power.VVER-1000M heap-type nuclear power station is single by 1 starframe, 18 controls per beam RCCA
Stick and other parts composition, wherein control rod is made of stainless steel cladding, upper and lower end plug and absorbed inside body.In positive informal dress
During labour, due to the influence of operating condition, control rod can occur abrasion, swelling and the defects of crackle.It wherein wears and is mainly
When plug movement is carried out in guiding mechanism due to control rod, control to generate to contact to rub between stick body and star-like guide plate and lead
Cause the abrasion of stick body；Simultaneously during unit normal operation, since by water hammering effects, control rod can frequently collide with star-like guide plate
It hits, so as to generate microseism abrasion；Swelling defect is then mainly since the absorber in control rod can generating body by long-term irradiation
Product expansion, eventually leads to control rod outer envelope swelling.Crack defect is mainly that the stress caused by swelling increases above involucrum
The strength degree of material causes to rupture.It is fed back according to domestic and international correlation experience, the drawbacks described above frequency of occurrences is higher, domestic even to have
Unit because swelling defect influence, there is the phenomenon that card rod during shutdown.In consideration of it, it then needs before related labour is carried out to RCCA
With the inspection of inservice inspection, RCCA primary datas can be obtained by RCCA preservice inspections for the first time, then with the data of first check
Based on, it analyzed, compared, evaluate development of defects speed and trend, reliable technical data is provided for production operational plan,
So as to extend as far as possible RCCA service life and ensure the safety and economic operation of nuclear power station.
Invention content
The purpose of the present invention is to provide a kind of drivings of nuclear power station reactor control stick tread assembly check device detection probe
Device, can be used for before RCCA labour and the check device probe of inservice inspection drives, and realize that a motor drives multiple detections
Grade of popping one's head in reference probe is synchronous, rotation at the same speed, and then to controlling single rod examinations.
Technical scheme is as follows：A kind of nuclear power station reactor control stick tread assembly check device monitoring probe driving
Device, the probe drive device include bottom plate, drive shaft component, idle pulley shaft member, gear ring drive shaft component, sun gear member and
Probe installing plate, wherein, several groups of probe drive components inside sun gear member are mounted on probe installing plate, probe peace
Loading board, gear ring drive shaft component, idle pulley shaft member and drive shaft component are installed on bottom plate, and drive shaft component passes through idle pulley
Shaft member driven gear ring drive shaft component rotates, and the engagement of all components and sun gear member middle gear is driven to pass by gear ring
It is dynamic, the detection probe in several groups of probe drive components inside sun gear member is driven to rotate synchronously.
The drive shaft component includes drive shaft, transmission gear, bearing and elastic collar, wherein, drive shaft passes through
Two bearings in bottom plate upper and lower axle bearing bore are fixed, and drive shaft lower end by elastic collar by the bearing of lower end
It is buckled on bottom plate, realizes the axially position of drive shaft, transmission gear is cased with, and pass through in the drive shaft positioned at bottom plate upper surface
Pin realizes that transmission gear is relatively fixed with drive shaft.
The idle pulley shaft member is fixed on bottom plate, and structure and mounting means and drive shaft component are similar；It is several
Gear intermeshing in a idle pulley shaft member, and engaged with the gear on drive shaft component；Drive shaft component by with it is several
Idler shaft element gear is driven, so as to which drive shaft component be driven to rotate.
The gear ring driving part includes gear ring drive shaft, sleeve, gear ring driving part lower end and drive shaft component knot
Structure is similar, and on bottom plate；Gear ring drive shaft in gear ring driving part is relatively long, and the part for protruding bottom plate is cased with
Sleeve, sleeve upper end is stretched into probe installing plate in the through-hole of protruding eave portion point, and is equipped with axis in the through-hole upper end bearing hole
It holding, relatively-stationary gear is meshed with sun gear member in the gear ring drive shaft above sleeve and its upper end bearing, so as to
Drive sun gear member rotation.
The sun gear member includes external toothing, ring gear and narrow gap bearing, sun gear member generally circular ring type knot
Structure, it is external for the external toothing with uniform teeth, be the ring gear with uniform teeth inside sun gear member, external toothing with it is interior
Gear ring is relatively fixed, and is passed through narrow gap bearing and be mounted on probe installing plate, external toothing and the gear of gear ring drive shaft upper end
It is meshed, when making the gear ring drive shaft turns in gear ring driving part, external toothing and ring gear is driven to rotate synchronously.
The probe drive component includes drive shaft component, smaller idler wheel shaft member and several monitoring probes, wherein,
Drive shaft component of popping one's head in includes probe gear shaft, probe driving shaft bearing and probe drive shaft retainer ring, wherein, probe drives
Movable gear shaft is fixed, and utilize and visit by two probe driving shaft bearing supports being mounted in probe installing plate upper and lower axle bearing bore
Installation probe drive shaft retainer ring in head gear shaft lower end carries out axially position；The gear and gear ring of gear shaft of popping one's head in upper end
Ring gear in component is meshed, meanwhile, the gear in gear shaft of popping one's head in also mutually is nibbled with the gear in a detection probe
It closes, which is mutually driven simultaneously by the gear of a smaller idler wheel shaft member with other two detection probe, realizes one
In group probe drive component, a probe drive shaft component drives 3 detection probes to rotate synchronously.
The driving device further includes reference probe rotating axis component and reference probe intermediate shaft part, wherein, in reference probe
Between shaft member be fixed on bottom plate, structure is similar with drive shaft component structure；Reference probe intermediate shaft part middle gear has 2
Grade gear, the one-stage gear of reference probe intermediate shaft part are engaged with the gear in idle pulley shaft member, reference probe intermediate shaft portion
The another one-stage gear of part is meshed with the gear in the reference probe rotating axis component being fixed on bottom plate, makes reference probe shaft
Part is synchronous with detection probe, rotation at the same speed.
There are 6 groups of probe drive components inside the sun gear member, totally 18 detection probes can rotate synchronously.
The remarkable result of the present invention is：A kind of nuclear power station reactor control stick tread assembly check device of the present invention
Detection probe driving device can realize that 1 motor drives synchronous, synchronized rotation of 18 detection probes with 1 reference probe,
And detection of the realization to 18 control rods, provide accurate foundation, thus to the greatest extent to judge that control rod continues to use, repair or replace
The service life of RCCA may be extended and ensure the safety and economic operation of nuclear power station.
Description of the drawings
Fig. 1 is a kind of nuclear power station reactor control stick tread assembly check device detection probe driving device of the present invention
Structure diagram；
Fig. 2 is the partial enlarged view in detection probe region in Fig. 1；
Fig. 3 is drive shaft component structure diagram in Fig. 1；
Fig. 4 is gear ring driving part grade sun gear member structure diagram in Fig. 1；
Fig. 5 is drive shaft component structure diagram of popping one's head in Fig. 1；
In figure：3rd, bottom plate；4th, drive shaft component；5th, idle pulley shaft member；6th, reference probe intermediate shaft part；7th, reference probe
Rotating axis component；8th, gear ring drive shaft component；9th, sun gear member；10th, probe installing plate；11st, probe drive shaft component；12nd, it is small lazy
Axle portion；13rd, detection probe；14th, drive shaft；15th, transmission gear；16th, bearing；17th, pin；18th, elastic collar；19th, tooth
Enclose drive shaft；20th, sleeve；21st, external toothing；22nd, ring gear；23rd, narrow gap bearing.24th, probe gear shaft；25th, it pops one's head in
Driving shaft bearing；26th, probe drive shaft retainer ring.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail the present invention.
As shown in Fig. 1~5, a kind of nuclear power station reactor control stick tread assembly check device detection probe driving device, packet
Include bottom plate 3, drive shaft component 4, idle pulley shaft member 5, reference probe rotating axis component 7, gear ring drive shaft component 8, sun gear member 9 with
And probe installing plate 10, wherein, inside sun gear member 9, and 6 groups of probe drive components being circumferentially evenly arranged are mounted on
It pops one's head on installing plate 10, every group of probe drive component includes 3 detection probes, 13,1 probe drive shaft components 11 and one
Smaller idler wheel shaft member 12；Probe installing plate 10, gear ring drive shaft component 8, idle pulley shaft member 5, drive shaft component 4 and reference are visited
Head rotating axis component 7 is installed in bottom plate 3, and drive shaft component 4 respectively drives reference probe rotating axis component 7 by idle pulley shaft member 5
And gear ring drive shaft component 8 rotates, and passes through the transmission of gear ring drive shaft component 8 and sun gear member 9, drives sun gear member
18 detection probes 13 in 9 in 6 groups of probe drive components are rotated synchronously with reference probe rotating axis component 7；
As shown in figure 3, drive shaft component 4 includes drive shaft 14, transmission gear 15, bearing 16 and elastic collar 18,
In, drive shaft 14 is supported by two bearings 16 being mounted in 3 upper and lower axle bearing bore of bottom plate and fixed, and 14 lower end of drive shaft passes through
The bearing 16 of lower end is buckled on bottom plate 3 by elastic collar 18, the axially position of drive shaft 14 is realized, positioned at 3 upper end of bottom plate
The drive shaft 14 in face is cased with transmission gear 15, and passes through pin 17 and realize that transmission gear 15 is relatively fixed with drive shaft 14, drives
Axis 14 is directly connect with motor reducer, drives entire transmission chain；
Idle pulley shaft member 5 is fixed on bottom plate 3, and 5 structure of idle pulley shaft member is similar with 4 structure of drive shaft component, several
Gear intermeshing in idle pulley shaft member 5, for example, the gear intermeshing in 2 idle pulley shaft members 5, and simultaneously and gear ring
Gear in driving part 8, reference probe intermediate shaft part 6 is meshed, wherein, reference probe intermediate shaft part 6 is fixed on bottom
On plate 3, structure is similar with 4 structure of drive shaft component, and the gear in reference probe intermediate shaft part 6 has 2 grades of gears, reference
Probe intermediate shaft part 6 one-stage gear engaged with the gear in idle pulley shaft member 5, reference probe intermediate shaft part 6 it is another
Grade gear is meshed with the gear in the reference probe rotating axis component 7 being fixed on bottom plate 3, wherein, reference probe rotating axis component
It is similar with 4 structure of drive shaft component；
As shown in figure 4, gear ring driving part 8 includes gear ring drive shaft 19, sleeve 20,8 lower end of gear ring driving part is with driving
4 structure of moving axis component is similar, and on bottom plate 3；Gear ring drive shaft 19 in gear ring driving part 8 is relatively long, dashes forward
The part for going out bottom plate 3 is cased with sleeve 20, and 20 upper end of sleeve is stretched into probe installing plate 10 in the through-hole of protruding eave portion point, and logical at this
Bearing is installed in the bearing hole of hole upper end, it is relatively-stationary in the gear ring drive shaft 19 above sleeve 20 and its upper end bearing
Gear is meshed with the external toothing 21 in sun gear member 9, wherein, sun gear member 9 includes external toothing 21, ring gear 22 and narrow
Gap bearing 23, the generally circular ring type structure of sun gear member 9 is external for the external toothing 21 with uniform teeth, in sun gear member 9
Portion is the ring gear 22 with uniform teeth, and external toothing 21 is relatively fixed with ring gear 22, and is passed through narrow gap bearing 23 and installed
On probe installing plate 10, when making the rotation of gear ring drive shaft 19 in gear ring driving part 8, external toothing 21 and ring gear 22 are driven
It rotates synchronously；
As described in Figure 5, the probe drive shaft component 11 in every group of probe drive component includes probe gear shaft 24, visits
Head driving shaft bearing 25 and probe drive shaft retainer ring 26, wherein, probe gear shaft 24 is by being mounted on probe installing plate
Two probe supports of driving shaft bearing 25 in 10 upper and lower axle bearing bore are fixed, and visited using 24 lower end of gear shaft installation of popping one's head in
Head drive shaft retainer ring carries out axially position；The gear of 24 upper end of gear shaft of popping one's head in and 22 phase of ring gear in sun gear member 9
Engagement, meanwhile, the gear in gear shaft 24 of popping one's head in also is meshed with the gear in a detection probe 13, the detection probe
13 are mutually driven simultaneously by the gear of a smaller idler wheel shaft member 12 with other two detection probe 13, realize that one group of probe drives
In dynamic component, a probe drive shaft component 11 drives 3 detection probes 13 to rotate synchronously；
In the ring gear 22 of sun gear member 9,6 groups of mutually isostructural probe drive components are installed with, utilize internal tooth
Circle 22 can drive 18 detection probes 13 to synchronize, rotate at the same speed, and then realize the detection to 18 control rods.
Claims (8)
1. a kind of nuclear power station reactor control stick tread assembly check device monitors probe drive device, it is characterised in that：The probe
Driving device includes bottom plate (3), drive shaft component (4), idle pulley shaft member (5), gear ring drive shaft component (8), sun gear member (9)
And probe installing plate (10), wherein, several group probe drive components internal positioned at sun gear member (9) are mounted on probe and install
On plate (10), probe installing plate (10), gear ring drive shaft component (8), idle pulley shaft member (5) and drive shaft component (4) are pacified
On bottom plate (3), drive shaft component (4) is rotated by idle pulley shaft member (5) driven gear ring drive shaft component (8), and is passed through
The engaged transmission of all component (8) and sun gear member (9) middle gears of gear ring driving, several groups of drive sun gear member (9) inside
Detection probe (13) in probe drive component rotates synchronously.
2. a kind of nuclear power station reactor control stick tread assembly check device monitoring probe driving dress according to claim 1
It puts, it is characterised in that：The drive shaft component (4) includes drive shaft (14), transmission gear (15), bearing (16) and elasticity
Retainer ring (18), wherein, drive shaft (14) is supported by two bearings (16) being mounted in bottom plate (3) upper and lower axle bearing bore and fixed,
And the bearing (16) of lower end is buckled on bottom plate (3) by drive shaft (14) lower end by elastic collar (18), realizes drive shaft
(14) axially position is cased with transmission gear (15), and pass through pin (17) in the drive shaft (14) positioned at bottom plate (3) upper surface
Realize that transmission gear (15) is relatively fixed with drive shaft (14).
3. a kind of nuclear power station reactor control stick tread assembly check device monitoring probe driving dress according to claim 1
It puts, it is characterised in that：The idle pulley shaft member (5) is fixed on bottom plate (3), structure and mounting means and drive shaft component
(4) it is similar；Gear intermeshing in several idle pulley shaft members (5), and engaged with the gear on drive shaft component (8)；
Drive shaft component (4) by with several idle pulley shaft member (5) gear drives, so as to drive drive shaft component (8) rotate.
4. a kind of nuclear power station reactor control stick tread assembly check device monitoring probe driving dress according to claim 3
It puts, it is characterised in that：The gear ring driving part (8) includes gear ring drive shaft (19), sleeve (20), gear ring driving part
(8) lower end is similar with drive shaft component (4) structure, and on bottom plate (3)；Gear ring driving in gear ring driving part (8)
Axis (19) is relatively long, and the part for protruding bottom plate (3) is cased with sleeve (20), and probe installing plate (10) is stretched into sleeve (20) upper end
In the through-hole of middle protruding eave portion point, and bearing is installed in the through-hole upper end bearing hole, positioned at sleeve (20) and its upper end bearing
Relatively-stationary gear is meshed with sun gear member (9) in the gear ring drive shaft (19) of top, so as to which sun gear member (9) be driven to turn
It is dynamic.
5. a kind of nuclear power station reactor control stick tread assembly check device monitoring probe driving dress according to claim 4
It puts, it is characterised in that：The sun gear member (9) includes external toothing (21), ring gear (22) and narrow gap bearing (23), tooth
Coil component (9) generally circular ring type structure, external is the external toothing (21) with uniform teeth, is inside sun gear member (9)
Ring gear (22) with uniform teeth, external toothing (21) are relatively fixed with ring gear (22), and pass through narrow gap bearing (23)
On probe installing plate (10), external toothing (21) is meshed with the gear of gear ring drive shaft (19) upper end, drives gear ring
When gear ring drive shaft (19) in component (8) rotates, external toothing (21) and ring gear (22) is driven to rotate synchronously.
6. a kind of nuclear power station reactor control stick tread assembly check device monitoring probe driving dress according to claim 5
It puts, it is characterised in that：The probe drive component include drive shaft component (11), smaller idler wheel shaft member (12) and several
Monitoring probe (13), wherein, probe drive shaft component (11) includes probe gear shaft (24), probe driving shaft bearing (25)
And probe drive shaft retainer ring (26), wherein, probe gear shaft (24) is by being mounted on probe installing plate (10) upper and lower axle
Two probe driving shaft bearings (25) in bearing bore, which support, fixes, and is driven using gear shaft (24) lower end installation probe of popping one's head in
Moving axis retainer ring carries out axially position；The gear of probe gear shaft (24) upper end and the ring gear (22) in sun gear member (9)
It is meshed, meanwhile, the gear in probe gear shaft (24) is also meshed with the gear in a detection probe (13), the inspection
It probing head (13) while is mutually driven with other two detection probe (13) by the gear of a smaller idler wheel shaft member (12), it is real
In existing one group of probe drive component, a probe drive shaft component (11) drives 3 detection probes (13) to rotate synchronously.
7. a kind of nuclear power station reactor control stick tread assembly check device monitoring probe driving dress according to claim 1
It puts, it is characterised in that：The driving device further includes reference probe rotating axis component (7) and reference probe intermediate shaft part (6),
In, reference probe intermediate shaft part (6) is fixed on bottom plate (3), and structure is similar with drive shaft component (4) structure；With reference to spy
Head intermediate shaft part (6) middle gear has 2 grades of gears, one-stage gear and the idle pulley shaft member of reference probe intermediate shaft part (6)
(5) the gear engagement on, the another one-stage gear of reference probe intermediate shaft part (6) and the reference probe being fixed on bottom plate (3)
Gear in rotating axis component (7) is meshed, and makes that reference probe rotating axis component (7) is synchronous with detection probe (13), synchronized rotation.
8. a kind of nuclear power station reactor control stick tread assembly check device monitoring probe drive device according to claim 1,
It is characterized in that：There are 6 groups of probe drive components inside the sun gear member (9), totally 18 detection probes (13), which can synchronize, turns
It is dynamic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611261015.9A CN108269633A (en) | 2016-12-30 | 2016-12-30 | Nuclear power station reactor control stick tread assembly check device detection probe driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611261015.9A CN108269633A (en) | 2016-12-30 | 2016-12-30 | Nuclear power station reactor control stick tread assembly check device detection probe driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108269633A true CN108269633A (en) | 2018-07-10 |
Family
ID=62755123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611261015.9A Pending CN108269633A (en) | 2016-12-30 | 2016-12-30 | Nuclear power station reactor control stick tread assembly check device detection probe driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108269633A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514746A (en) * | 2019-08-22 | 2019-11-29 | 中广核检测技术有限公司 | A kind of rotation water logging ultrasonic transducer |
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| US5066452A (en) * | 1989-07-24 | 1991-11-19 | The Babcock & Wilcox Company | Ultrasonic profilometry system for control rod wear |
| WO1996015445A1 (en) * | 1994-11-16 | 1996-05-23 | Rock Samson | Eddy current hybrid probe |
| CN1176706A (en) * | 1995-12-29 | 1998-03-18 | 法玛通公司 | Device and method for testing command bundle rods for nuclear reactors |
| JPH10104206A (en) * | 1996-09-30 | 1998-04-24 | Mitsubishi Heavy Ind Ltd | Inspecting device of circumferential weld near tubular member end |
| CN205449903U (en) * | 2015-12-31 | 2016-08-10 | 核动力运行研究所 | A swing synchronously mechanism of popping one's head in more for special -shaped welding seam ultrasonic examination |
| CN205449896U (en) * | 2015-12-30 | 2016-08-10 | 核动力运行研究所 | Rotatory ultrasonic probe's signal transmission device |
| CN205538834U (en) * | 2015-12-09 | 2016-08-31 | 核动力运行研究所 | Structure is surveyed to reactor control cluster subassembly ultrasonic test |
| CN206524195U (en) * | 2016-12-30 | 2017-09-26 | 核动力运行研究所 | Nuclear power station reactor control stick tread assembly check device detection probe drive device |
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2016
- 2016-12-30 CN CN201611261015.9A patent/CN108269633A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5001841A (en) * | 1986-09-22 | 1991-03-26 | Mitsubishi Jukogyo, K.K. | Apparatus for inspecting a profile of a rod |
| US5066452A (en) * | 1989-07-24 | 1991-11-19 | The Babcock & Wilcox Company | Ultrasonic profilometry system for control rod wear |
| WO1996015445A1 (en) * | 1994-11-16 | 1996-05-23 | Rock Samson | Eddy current hybrid probe |
| CN1176706A (en) * | 1995-12-29 | 1998-03-18 | 法玛通公司 | Device and method for testing command bundle rods for nuclear reactors |
| JPH10104206A (en) * | 1996-09-30 | 1998-04-24 | Mitsubishi Heavy Ind Ltd | Inspecting device of circumferential weld near tubular member end |
| CN205538834U (en) * | 2015-12-09 | 2016-08-31 | 核动力运行研究所 | Structure is surveyed to reactor control cluster subassembly ultrasonic test |
| CN205449896U (en) * | 2015-12-30 | 2016-08-10 | 核动力运行研究所 | Rotatory ultrasonic probe's signal transmission device |
| CN205449903U (en) * | 2015-12-31 | 2016-08-10 | 核动力运行研究所 | A swing synchronously mechanism of popping one's head in more for special -shaped welding seam ultrasonic examination |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514746A (en) * | 2019-08-22 | 2019-11-29 | 中广核检测技术有限公司 | A kind of rotation water logging ultrasonic transducer |
| CN110514746B (en) * | 2019-08-22 | 2022-04-01 | 中广核检测技术有限公司 | Rotary water immersion ultrasonic transducer |
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