CN206524195U - Nuclear power station reactor control stick tread assembly check device detection probe drive device - Google Patents
Nuclear power station reactor control stick tread assembly check device detection probe drive device Download PDFInfo
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- CN206524195U CN206524195U CN201621480768.4U CN201621480768U CN206524195U CN 206524195 U CN206524195 U CN 206524195U CN 201621480768 U CN201621480768 U CN 201621480768U CN 206524195 U CN206524195 U CN 206524195U
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- probe
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- drive
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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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Abstract
The utility model is related to one loop of nuclear power station system technical field of nondestructive testing, specifically discloses nuclear power station reactor control stick tread assembly check device detection probe drive device.It is located at some groups of probe drive components inside sun gear member in the device to be arranged on probe installing plate, probe installing plate, gear ring drive shaft sub-assembly, idler shaft part and drive shaft sub-assembly are installed on bottom plate, drive shaft sub-assembly is rotated by idler shaft part driven gear ring drive shaft sub-assembly, and the engaged transmission of all parts and sun gear member middle gear is driven by gear ring, drive the detection probe synchronous axial system in some groups of probe drive components inside sun gear member.The device can realize that 1 motor drives synchronous, the synchronized rotation of 18 detection probes and 1 reference probe, and detection of the realization to 18 control rods, provide accurate foundation, so as to extend RCCA life-span as far as possible and ensure the safety and economic operation of nuclear power station to judge control rod continuity use, repairing or change.
Description
Technical field
The utility model belongs to one loop of nuclear power station system technical field of nondestructive testing, and in particular to nuclear power plant reactor control
Cluster component inspection device detection probe drive device processed.
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
Rod and other parts composition, wherein control rod are by stainless steel cladding, end plug and absorbed inside body are constituted up and down.In positive informal dress
During labour, due to the influence of operating condition, the defects such as abrasion, swelling and crackle can occur for control rod.Wherein abrasion is mainly
When plug motion is carried out in guiding mechanism due to control rod, generation contacts friction and led between control stick body and star-like guide plate
Cause the abrasion of rod body；When unit is normally run simultaneously, because by water hammering effects, control rod frequently can collide with star-like guide plate
Hit, so as to produce microseism abrasion；Swelling defect then can generating body by long-term irradiation mainly due to the absorber in control rod
Product expansion, ultimately results in control rod outer envelope swelling.Crack defect increases above involucrum mainly due to stress caused by swelling
The strength degree of material causes rupture.Fed back according to domestic and international correlation experience, the drawbacks described above frequency of occurrences is higher, it is domestic even to have
Unit because swelling defect influence, there is the phenomenon of card rod during shutdown.In consideration of it, then needing to carry out RCCA before related labour
With the inspection of inservice inspection, RCCA primary datas can be obtained by RCCA preservice inspections first, then with the data of first check
Based on, analyzed, compared, evaluate development of defects speed and trend, reliable technical data is provided for production operational plan,
So as to extend RCCA life-span as far as possible and ensure the safety and economic operation of nuclear power station.
The content of the invention
The purpose of this utility model is to provide a kind of nuclear power station reactor control stick tread assembly check device detection probe
Drive device, it can be used for the check device probe driving with inservice inspection before RCCA labour, realizes that a motor driving is multiple
Detection probe level reference probe is synchronous, synchronized rotation, and then to control single rod examinations.
The technical solution of the utility model is as follows：A kind of nuclear power station reactor control stick tread assembly check device monitoring probe
Drive device, the probe drive device includes bottom plate, drive shaft sub-assembly, idler shaft part, gear ring drive shaft sub-assembly, sun gear member
And probe installing plate, wherein, some groups of probe drive components inside sun gear member are arranged on probe installing plate, are visited
Head installing plate, gear ring drive shaft sub-assembly, idler shaft part and drive shaft sub-assembly are installed on bottom plate, and drive shaft sub-assembly passes through
Idler shaft part driven gear ring drive shaft sub-assembly is rotated, and passes through the engagement of all parts of gear ring driving and sun gear member middle gear
Transmission, drives the detection probe synchronous axial system in some groups of probe drive components inside sun gear member.
Described drive shaft sub-assembly includes drive shaft, travelling 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, is cased with travelling gear in the drive shaft positioned at bottom plate upper surface, and pass through
Pin realizes that travelling gear is relatively fixed with drive shaft.
Described idler shaft part is fixed on bottom plate, and its structure and mounting means and drive shaft sub-assembly are similar；It is some
Gear intermeshing on individual idler shaft part, and engaged with the gear on drive shaft sub-assembly；Drive shaft sub-assembly by with it is some
Idler shaft element gear is driven, so as to drive drive shaft sub-assembly to rotate.
Described gear ring driving part includes gear ring drive shaft, sleeve, gear ring driving part lower end and drive shaft sub-assembly knot
Structure is similar, and on bottom plate；Gear ring drive shaft in gear ring driving part is relatively long, and its 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 provided with axle in the through hole upper end bearing hole
Hold, relatively-stationary gear is meshed with sun gear member in the gear ring drive shaft above sleeve and its upper end bearing, so that
Sun gear member is driven to rotate.
Described sun gear member includes external toothing, ring gear and narrow gap bearing, sun gear member generally circular ring type knot
Structure, it is outside be the ring gear with uniform teeth inside the external toothing with uniform teeth, sun gear member, external toothing with it is interior
Gear ring is relatively fixed, and is arranged on by narrow gap bearing 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, drives external toothing and ring gear synchronous axial system.
Described probe drive component includes drive shaft sub-assembly, smaller idler wheel axle portion part and several monitoring probes, wherein,
Drive shaft sub-assembly of popping one's head in includes probe gear shaft, probe driving shaft bearing and probe drive shaft collar, wherein, probe drives
Movable gear shaft is fixed by two probe driving shaft bearings supports in installing plate upper and lower axle bearing bore of popping one's head in, and utilizes spy
Probe drive shaft collar is installed and carries out axially position in head gear shaft lower end；The gear and gear ring of gear shaft of popping one's head in upper end
Ring gear in part is meshed, meanwhile, the gear in probe gear shaft is also mutually nibbled with the gear in a detection probe
Close, the detection probe is mutually driven by the gear of a smaller idler wheel axle portion part with two other detection probe simultaneously, realizes one
In group probe drive component, a probe drive shaft sub-assembly drives 3 detection probe synchronous axial systems.
The drive device also includes reference probe rotating axis component and reference probe intermediate shaft part, wherein, in reference probe
Countershaft part is fixed on bottom plate, and its structure is similar with drive shaft sub-assembly structure；Reference probe intermediate shaft part middle gear has 2
Level gear, the one-stage gear of reference probe intermediate shaft part is engaged with the gear on idler shaft part, 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, synchronized rotation.
There are 6 groups of probe drive components inside described sun gear member, totally 18 detection probes can synchronous axial system.
Remarkable result of the present utility model is：A kind of nuclear power station reactor control stick tread assembly described in the utility model
Check device detection probe drive device, can realize 1 motor drive 18 detection probes and 1 reference probe synchronization,
It is synchronized to rotate, and realize the detection to 18 control rods, for judge control rod continue use, maintenance or change provide it is accurate according to
According to, so as to as far as possible extension RCCA life-span and ensure the safety and economic operation of nuclear power station.
Brief description of the drawings
Fig. 1 is a kind of nuclear power station reactor control stick tread assembly check device detection probe driving described in the utility model
Apparatus structure schematic diagram；
Fig. 2 is the partial enlarged drawing in detection probe region in Fig. 1；
Fig. 3 is drive shaft sub-assembly structural representation in Fig. 1；
Fig. 4 is gear ring driving part level sun gear member structural representation in Fig. 1；
Fig. 5 is probe drive shaft sub-assembly structural representation in Fig. 1；
In figure：3rd, bottom plate；4th, drive shaft sub-assembly；5th, idler shaft part；6th, reference probe intermediate shaft part；7th, reference probe
Rotating axis component；8th, gear ring drive shaft sub-assembly；9th, sun gear member；10th, probe installing plate；11st, probe drive shaft sub-assembly；12nd, it is small lazy
Axle portion；13rd, detection probe；14th, drive shaft；15th, travelling 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, pop one's head in
Driving shaft bearing；26th, probe drive shaft collar.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail to the utility model.
As shown in Fig. 1~5, a kind of nuclear power station reactor control stick tread assembly check device detection probe drive device, bag
Include bottom plate 3, drive shaft sub-assembly 4, idler shaft part 5, reference probe rotating axis component 7, gear ring drive shaft sub-assembly 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 arranged on
Pop one's head on installing plate 10, every group of probe drive component includes 3 detection probes 13,1 pop one's head in drive shaft sub-assembly 11 and one
Smaller idler wheel axle portion part 12；Probe installing plate 10, gear ring drive shaft sub-assembly 8, idler shaft part 5, drive shaft sub-assembly 4 and reference are visited
Head rotating axis component 7 is installed in bottom plate 3, and drive shaft sub-assembly 4 drives reference probe rotating axis component 7 respectively by idler shaft part 5
And gear ring drive shaft sub-assembly 8 is rotated, and by the transmission of gear ring drive shaft sub-assembly 8 and sun gear member 9, sun gear member is driven
18 detection probes 13 and the synchronous axial system of reference probe rotating axis component 7 in 9 in 6 groups of probe drive components；
As shown in figure 3, drive shaft sub-assembly 4 includes drive shaft 14, travelling gear 15, bearing 16 and elastic collar 18, its
In, drive shaft 14 is supported by two bearings 16 in the upper and lower axle bearing bore of bottom plate 3 and fixed, and the lower end of drive shaft 14 passes through
The bearing 16 of lower end is buckled on bottom plate 3 by elastic collar 18, realizes the axially position of drive shaft 14, positioned at the upper end of bottom plate 3
The drive shaft 14 in face is cased with travelling gear 15, and realizes that travelling gear 15 is relatively fixed with drive shaft 14 by pin 17, driving
Axle 14 is directly connected with motor reducer, drives whole driving-chain；
Idler shaft part 5 is fixed on bottom plate 3, and the structure of idler shaft part 5 is similar with the structure of drive shaft sub-assembly 4, several
Gear intermeshing on idler shaft part 5, for example, the gear intermeshing on 2 idler shaft parts 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, its structure is similar with the structure of drive shaft sub-assembly 4, 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 on idler shaft part 5, reference probe intermediate shaft part 6 it is another
Level 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 the structure of drive shaft sub-assembly 4；
As shown in figure 4, gear ring driving part 8 includes gear ring drive shaft 19, sleeve 20, the lower end of gear ring driving part 8 is with driving
The structure of moving axis part 4 is similar, and on bottom plate 3；Gear ring drive shaft 19 in gear ring driving part 8 is relatively long, and it is dashed forward
The part for going out bottom plate 3 is cased with sleeve 20, and the upper end of sleeve 20 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, it is in the external toothing 21 with uniform teeth, sun gear member 9 that it is outside
Portion is the ring gear 22 with uniform teeth, and external toothing 21 is relatively fixed with ring gear 22, and is installed by narrow gap bearing 23
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
Synchronous axial system；
As described in Figure 5, the probe drive shaft sub-assembly 11 in every group of probe drive component includes probe gear shaft 24, visited
Head driving shaft bearing 25 and probe drive shaft collar 26, wherein, probe gear shaft 24 passes through installed in probe installing plate
Two probe supports of driving shaft bearing 25 in 10 upper and lower axle bearing bore are fixed, and install spy using the lower end of gear shaft 24 of popping one's head in
Head drive shaft collar carries out axially position；The gear and the phase of ring gear 22 in sun gear member 9 of gear shaft 24 of popping one's head in upper end
Engagement, meanwhile, the gear in probe gear shaft 24 is also meshed with the gear in a detection probe 13, the detection probe
13 are mutually driven by the gear of a smaller idler wheel axle portion part 12 with two other detection probe 13 simultaneously, realize one group of probe drive
In dynamic component, a probe drive shaft sub-assembly 11 drives 3 synchronous axial systems of detection probe 13；
In the ring gear 22 of sun gear member 9,6 groups of mutually isostructural probe drive components are installed with, internal tooth is utilized
Circle 22 can drive 18 detection probes 13 to rotate synchronously, 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
Drive device includes bottom plate (3), drive shaft sub-assembly (4), idler shaft part (5), gear ring drive shaft sub-assembly (8), sun gear member (9)
And probe installing plate (10), wherein, it is arranged on probe positioned at some groups of internal probe drive components of sun gear member (9) and installs
On plate (10), probe installing plate (10), gear ring drive shaft sub-assembly (8), idler shaft part (5) and drive shaft sub-assembly (4) are pacified
On bottom plate (3), drive shaft sub-assembly (4) is rotated by idler shaft part (5) driven gear ring drive shaft sub-assembly (8), and is passed through
The engaged transmission of gear ring drive shaft sub-assembly (8) and sun gear member (9) middle gear, drives some groups of sun gear member (9) inside
Detection probe (13) synchronous axial system in probe drive component.
2. a kind of nuclear power station reactor control stick tread assembly check device monitoring probe driving dress according to claim 1
Put, it is characterised in that：Described drive shaft sub-assembly (4) includes drive shaft (14), travelling gear (15), bearing (16) and elasticity
Collar (18), wherein, drive shaft (14) is supported by two bearings (16) 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 travelling gear (15), and pass through pin (17) in the drive shaft (14) positioned at bottom plate (3) upper surface
Realize that travelling 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
Put, it is characterised in that：Described idler shaft part (5) is fixed on bottom plate (3), its structure and mounting means and drive shaft sub-assembly
(4) it is similar；Gear intermeshing on several idler shaft parts (5), and nibbled with the gear on gear ring drive shaft sub-assembly (8)
Close；Drive shaft sub-assembly (4) by with some idler shaft part (5) gear drives so that drive gear ring drive shaft sub-assembly (8) turn
It is dynamic.
4. a kind of nuclear power station reactor control stick tread assembly check device monitoring probe driving dress according to claim 3
Put, it is characterised in that：Described gear ring drive shaft sub-assembly (8) includes gear ring drive shaft (19), sleeve (20), gear ring driving axle portion
Part (8) lower end is similar with drive shaft sub-assembly (4) structure, and on bottom plate (3)；Gear ring in gear ring drive shaft sub-assembly (8)
Drive shaft (19) is relatively long, and its part for protruding bottom plate (3) is cased with sleeve (20), and probe installing plate is stretched into sleeve (20) upper end
(10) in the through hole of protruding eave portion point, and bearing is installed in the through hole upper end bearing hole, positioned at sleeve (20) and its upper end
Relatively-stationary gear is meshed with sun gear member (9) in gear ring drive shaft (19) above bearing, so as to drive sun gear member
(9) rotate.
5. a kind of nuclear power station reactor control stick tread assembly check device monitoring probe driving dress according to claim 4
Put, it is characterised in that：Described sun gear member (9) includes external toothing (21), ring gear (22) and narrow gap bearing (23),
Sun gear member (9) generally circular ring type structure, it is the external toothing (21) with uniform teeth that it is outside, and sun gear member (9) is internal
For the ring gear (22) with uniform teeth, external toothing (21) is relatively fixed with ring gear (22), and passes through narrow gap bearing
(23) it is arranged on probe installing plate (10), external toothing (21) is meshed with the gear of gear ring drive shaft (19) upper end, makes gear ring
When gear ring drive shaft (19) in drive shaft sub-assembly (8) is rotated, external toothing (21) and ring gear (22) synchronous axial system is driven.
6. a kind of nuclear power station reactor control stick tread assembly check device monitoring probe driving dress according to claim 5
Put, it is characterised in that：Described probe drive component include drive shaft sub-assembly (11), smaller idler wheel axle portion part (12) and several
Monitoring probe (13), wherein, probe drive shaft sub-assembly (11) includes probe gear shaft (24), probe driving shaft bearing (25)
And probe drive shaft collar (26), wherein, probe gear shaft (24) passes through installed in probe installing plate (10) upper and lower axle
Two probe driving shaft bearing (25) supports in bearing bore are fixed, and are driven using gear shaft (24) lower end installation probe of popping one's head in
Moving axis collar 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
Probing head (13) by the gear of a smaller idler wheel axle portion part (12) with two other detection probe (13) while be mutually driven, in fact
In existing one group of probe drive component, a probe drive shaft sub-assembly (11) drives 3 detection probe (13) synchronous axial systems.
7. a kind of nuclear power station reactor control stick tread assembly check device monitoring probe driving dress according to claim 1
Put, it is characterised in that：The drive device also includes reference probe rotating axis component (7) and reference probe intermediate shaft part (6), its
In, reference probe intermediate shaft part (6) is fixed on bottom plate (3), and its structure is similar with drive shaft sub-assembly (4) structure；With reference to spy
Head intermediate shaft part (6) middle gear has 2 grades of gears, one-stage gear and the idler shaft part 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 rotate.
8. a kind of nuclear power station reactor control stick tread assembly check device monitors probe drive device according to claim 1,
It is characterized in that：There are 6 groups of probe drive components inside described sun gear member (9), totally 18 detection probes (13) can synchronously turn
It is dynamic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621480768.4U CN206524195U (en) | 2016-12-30 | 2016-12-30 | Nuclear power station reactor control stick tread assembly check device detection probe drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621480768.4U CN206524195U (en) | 2016-12-30 | 2016-12-30 | Nuclear power station reactor control stick tread assembly check device detection probe drive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206524195U true CN206524195U (en) | 2017-09-26 |
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ID=59887940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621480768.4U Active CN206524195U (en) | 2016-12-30 | 2016-12-30 | Nuclear power station reactor control stick tread assembly check device detection probe drive device |
Country Status (1)
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| CN (1) | CN206524195U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108269633A (en) * | 2016-12-30 | 2018-07-10 | 核动力运行研究所 | Nuclear power station reactor control stick tread assembly check device detection probe driving device |
| CN109147972A (en) * | 2018-08-31 | 2019-01-04 | 中广核检测技术有限公司 | Reactor control rod guide cylinder guide card non-destructive testing device |
| CN113128714A (en) * | 2021-04-20 | 2021-07-16 | 广东核电合营有限公司 | Nuclear power unit control rod-based test system and checking test method |
-
2016
- 2016-12-30 CN CN201621480768.4U patent/CN206524195U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108269633A (en) * | 2016-12-30 | 2018-07-10 | 核动力运行研究所 | Nuclear power station reactor control stick tread assembly check device detection probe driving device |
| CN109147972A (en) * | 2018-08-31 | 2019-01-04 | 中广核检测技术有限公司 | Reactor control rod guide cylinder guide card non-destructive testing device |
| CN113128714A (en) * | 2021-04-20 | 2021-07-16 | 广东核电合营有限公司 | Nuclear power unit control rod-based test system and checking test method |
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