CN107039092A - Fuel rod detection device - Google Patents
Fuel rod detection device Download PDFInfo
- Publication number
- CN107039092A CN107039092A CN201710395778.0A CN201710395778A CN107039092A CN 107039092 A CN107039092 A CN 107039092A CN 201710395778 A CN201710395778 A CN 201710395778A CN 107039092 A CN107039092 A CN 107039092A
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- China
- Prior art keywords
- fuel rod
- module
- detection device
- pinch wheels
- detection module
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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
- G21C17/102—Structural combination of fuel element, control rod, reactor core, or moderator structure with sensitive instruments, e.g. for measuring radioactivity, strain the sensitive element being part of a fuel element or a fuel assembly
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/02—Details of handling arrangements
- G21C19/10—Lifting devices or pulling devices adapted for co-operation with fuel elements or with control elements
- G21C19/105—Lifting devices or pulling devices adapted for co-operation with fuel elements or with control elements with grasping or spreading coupling elements
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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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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The present invention discloses a kind of fuel rod detection device, including installing module, axially position module in the installation module, the axially position module includes first and clamps wheel assembly, second clamps wheel assembly and swing offset sensory package, described first, second clamping wheel assembly includes the first pinch wheels that is oppositely arranged and can be relatively moved by driving respectively, second pinch wheels, the swing offset sensory package and first pinch wheels, one of second pinch wheels are connected, first pinch wheels and the second pinch wheels are used for clamping the fuel rod that is put into the fuel rod detection device and moving up and down to drive and rotate and then transmit the rotation to the swing offset sensory package by the fuel rod, the module of installing is formed with the passage passed through for the fuel rod.Thereby design, the fuel rod detection device can either play a part of fuel rod described in clamping and positioning, and the axial displacement of the fuel rod can be more detected in real time.
Description
Technical field
The present invention relates to fuel rod technical field, more particularly to a kind of fuel rod detection device.
Background technology
Fuel rod is made up of hundreds of ceramic UO pellets and Zirconium alloy material sleeve pipe, and it is used as nuclear power station
" silo " its significance level is self-evident.To ensure that fuel rod is normally run, effectively radioactive substance is prevented to leak, it is necessary to make zirconium
Alloy stands intact in use, and this is accomplished by carrying out defects detection to the fuel rod after use.And current defect
Although detection device can detect a certain classification defect of the fuel rod, but can not in real time and accurately learn described
The defect particular location of fuel rod, therefore, it is necessary to provide a kind of improved fuel rod detection device, can learn described in real time
The defect accurate location of fuel rod.
The content of the invention
It is an object of the invention to provide a kind of fuel rod detection device, the defect of the fuel rod can be in real time learnt
Accurate location.
To achieve these goals, fuel rod detection device of the invention includes installation module, installed in the installation mould
Axially position module on block, the axially position module includes first and clamps wheel assembly, the second clamping wheel assembly and rotation position
Sensory package is moved, the first, second clamping wheel assembly includes that is oppositely arranged and can be relatively moved by driving respectively
One pinch wheels, the second pinch wheels, the swing offset sensory package are connected with one of first pinch wheels, the second pinch wheels,
First pinch wheels and the second pinch wheels are used for clamping the fuel rod that is put into the fuel rod detection device and by the fuel
Moving up and down for rod drives rotation and then transmits the rotation to the swing offset sensory package, and the installation module is formed with
The passage passed through for the fuel rod.
Compared with prior art, the first pinch wheels group that the fuel rod detection device passes through the axially position module
The cooperation of part, the second clamping wheel assembly and swing offset sensory package, can either play a part of fuel rod described in clamping and positioning,
The axial displacement of the fuel rod can be more detected in real time, thereby, when other defect detection module detects the fuel rod
During individual position existing defects, the axial displacement for the fuel rod that control module is detected according to the axially position module can be accurate
Really judge the defect particular location of the fuel rod, effectively improve the detection efficiency and accuracy of detection of the fuel rod, simultaneously
The detection of the fuel rod can be achieved without contact.
It is preferred that the surface difference of first pinch wheels and the second pinch wheels is encapsulated, and then increase and the fuel rod
Friction, while the protection fuel rod can be played a part of.
It is preferred that first pinch wheels are in being movably arranged, second pinch wheels are in be fixedly installed, the rotation position
Move sensory package to be connected and then be driven in rotation with second pinch wheels, so that the swing offset sensing group has been effectively ensured
The reliability of part.
It is preferred that the first clamping wheel assembly is also including described in the first support frame being movably arranged, for installing
First mounting bracket of the first pinch wheels, first mounting bracket is fixed on first support frame by screw rod；It is described
Screw rod is provided with the spring being located between first mounting bracket and first support frame, and the spring, which can be played, to be prevented from driving
Power is excessive and then damages the effect of the fuel rod.
It is preferred that the fuel rod detection device also includes setting at least defects detection module installed in module
And control module, as the relatively described fuel rod detection device of the fuel rod is moved axially, an at least defects detection mould
Block detects the information of the fuel rod relevant position in real time, and the axially position module detects the axial position of the fuel rod in real time
Move, the control module receives the corresponding detection information from least a defects detection module and the axially position module
And the axial displacement detected in real time according to the axially position module accurately judges the corresponding of each position of the fuel rod
Information, thereby, when other defect detection module detects some position existing defects of the fuel rod, the control module energy
Enough defect particular locations for accurately judging the fuel rod.
It is preferred that an at least defects detection module includes diameter detection module, the diameter detection module includes phase
To two linear displacement transducers of setting, each linear displacement transducer includes probe, pops one's head in what is be connected with described respectively
Measuring staff and it is built in the linear displacement transducer and the elastic component of elastic force can be provided for the measuring staff, two straight-line displacement
Sensor clamps that wheel assembly is substantially perpendicular in the horizontal direction is staggered with described first, second, first, second folder
Bearing up pulley is located at the top of the probe, when starting to detect the fuel rod, the spy of two linear displacement transducer
Head contacts opposite sides in the fuel rod respectively, thereby, can fuel rod diameter change described in automatic detection and by with
The axially position module enables the control module accurately judge the diameter imperfections of the fuel rod in real time
Particular location, the integrated level and space availability ratio of the fuel rod detection device are effectively improved again.
It is preferred that the diameter detection module also includes the school with two linear displacement transducer in substantially vertical setting
Quasi- cylinder, the calibration cylinder is used to drive calibration block to stretch between two probe to play the purpose of calibration.
It is preferred that the calibration cylinder is correspondingly arranged in below second pinch wheels being fixedly installed, make full use of
The underlying spaces of second pinch wheels.
It is preferred that an at least defects detection module includes outward appearance detection module, the outward appearance detection module is arranged on
One of described linear displacement transducer clamps region between one of wheel assembly with described first, second, so as to be effectively utilized
Space, is conducive to the miniaturization of equipment.
It is preferred that the outward appearance detection module includes the photomoduel for detecting the fuel rod outward appearance and is the phase
Thermomechanical components provide the light source assembly of light luminance, and the photomoduel includes camera, the phase of the support camera being vertically arranged
Machine support frame and it is inclined at immediately below the camera and the adjustable reflective mirror in position, it is adjustable that the light source assembly includes position
Light source and be arranged on it is described installation module on light source support frame, thereby the outward appearance detection module can use what is detected under water
Environment, and can be adjusted obtaining best test position with correspondence.
It is preferred that an at least defects detection module includes Non-Destructive Testing module, the Non-Destructive Testing module includes solid
It is scheduled on the support frame in the installation module, the stationary fixture installed in the support frame crown center and installed in described
Vacantly be arranged at the top of toroidal vortex flow probe on stationary fixture, the support frame axially position module surface and
Make perforated design in its middle part.Thereby, feature, integrated level and the space availability ratio of the fuel rod detection device are improved.
It is preferred that an at least defects detection module also includes diameter detection module, the diameter detection module includes
Two linear displacement transducers being oppositely arranged, two linear displacement transducer clamps wheel assembly in water with described first, second
Square upwards it is substantially perpendicular be staggered, the support frame include be fixed on it is described installation module on four general alignments
The supporting member of squarely and the top support being arranged on four supporting members, four supporting members and described two
Linear displacement transducer and the wrong setting of the first, second clamping wheel assembly submission, so that four supporting members are set
Put in the corresponding linear displacement transducer and clamp the region between wheel assembly, further improve the fuel rod detection
The space availability ratio of equipment.
It is preferred that an at least defects detection module also includes outward appearance detection module, the outward appearance detection module is set
In one of described linear displacement transducer region between one of wheel assembly, the outward appearance detection are clamped with described first, second
Module includes camera and camera tripod, wherein supporting member described in one is the camera tripod, the one of the top support
Edge is supported on the inner side of the camera tripod.
It is preferred that the top support is cross support.
It is preferred that the module of installing includes installing plate, the protection sleeve being connected in the middle part of installing plate bottom surface qualifying
Frame cylinder, the installing plate offers the through hole passed through for the fuel rod, and the through hole is used as the composition of the passage, the guarantor
The top of pretective sleeve pipe is set around the through hole, and the protection sleeve is used to protect the fuel rod, and the screen work cylinder surrounds institute
The top for stating protection sleeve is set.
It is preferred that the module of installing includes being fixed on the lifting bolt of surrounding, in order to be fired described in handling appliance handling
Charge bar detection device.
Brief description of the drawings
Fig. 1 is the schematic perspective view of fuel rod detection device of the embodiment of the present invention.
Fig. 2 is Fig. 1 partial enlarged drawing.
Fig. 3 is a schematic omission stereogram of the fuel rod detection device shown in Fig. 1, to clearly show that the fuel rod
The axial displacement locating module of detection device.
Fig. 4 is Fig. 3 side view.
Fig. 5 is a schematic omission side view of the fuel rod detection device shown in Fig. 1, to clearly show that the fuel rod
The diameter detection module of detection device.
Fig. 6 is another schematic omission stereogram of the fuel rod detection device shown in Fig. 1, to clearly show that the fuel
The diameter detection module of rod detection device and the second clamping wheel assembly.
Fig. 7 is another schematic omission side view of the fuel rod detection device shown in Fig. 1, to clearly show that the fuel
The outward appearance detection module of rod detection device.
Fig. 8 is the another schematic omission side view of the fuel rod detection device shown in Fig. 1, and fuel rod is stated to clearly show that
The Non-Destructive Testing module of detection device.
Embodiment
To describe the technology contents of the present invention, construction feature, the effect realized in detail, below in conjunction with embodiment and match somebody with somebody
Accompanying drawing is closed to be explained in detail.
Fig. 1 to Fig. 4 is referred to, the fuel rod detection device 100 of the embodiment of the present invention includes installation module, installed in described
Axially position module in module is installed, the axially position module includes first and clamps the clamping wheel assembly of wheel assembly 21, second
22 and swing offset sensory package 23, the first, second clamping wheel assembly 21,22 includes being oppositely arranged and being driven respectively
The first pinch wheels 210, the second pinch wheels 220 relatively moved, the swing offset sensory package 23 and the described first folder
One of bearing up pulley 210, second pinch wheels 220 are connected, and the pinch wheels 220 of the first pinch wheels 210 and second are used for clamping being put into institute
State fuel rod detection device 100 fuel rod 900 and by the fuel rod 900 move up and down drive rotation so that will rotation
The swing offset sensory package 23 is passed to, the module of installing is formed with the passage passed through for the fuel rod 900.
Compared with prior art, the first pinch wheels that the fuel rod detection device 100 passes through the axially position module
Component 21, second clamps the cooperation of wheel assembly 22 and swing offset sensory package 23, can either play fuel described in clamping and positioning
The effect of rod 900, the axial displacement of the fuel rod 900 can be more detected in real time, thereby, when the detection of other defect detection module
During to some position existing defects of the fuel rod 900, control module (not shown) is detected according to the axially position module
The axial displacement of the fuel rod 900 can accurately judge the defect particular location of the fuel rod 900, effectively improve described
The detection efficiency and accuracy of detection of fuel rod 900, while the detection of the fuel rod 900 can be achieved without contact.
Fig. 3 and Fig. 4 is referred to, encapsulated, Jin Erzeng is distinguished on the surface of the pinch wheels 220 of the first pinch wheels 210 and second
Greatly with the friction of the fuel rod 900, while the protection fuel rod 900 can be played a part of.First pinch wheels 210 are in
It is movably arranged, second pinch wheels 220 are in be fixedly installed, the swing offset sensory package 23 and second pinch wheels
220 are connected and then are driven in rotation, so that the reliability of the swing offset sensory package 23 has been effectively ensured.
Fig. 3 and Fig. 4 is referred to, described second, which clamps wheel assembly 22, also includes the second mounting bracket 221, second pinch wheels
220 clamp wheel shaft 222 by second is arranged in second mounting bracket 221；It is preferred that the swing offset sensory package 23
Including the rotary shaft (not shown) with the one of the described second clamping wheel shaft 222, the rotary transformer being arranged in the rotary shaft
231st, support the bearing (not shown) of the rotary shaft and be arranged on the sealing shell 232 of the outer end of rotary transformer 231, by
This, second pinch wheels 220 directly transmit the rotation to rotary shaft, signal true and accurate, the second clamping wheel assembly 22
With the compact overall structure of swing offset sensory package 23, in addition, by set the sealing shell 232 can play compared with
Good waterproof effect；The rotary displacement transducer component 23 is not limited to above-mentioned implementation, and those skilled in the art may
Any mode used should all cover within the scope of the present invention；It is preferred that the second clamping wheel assembly 22 also includes
Second support frame 223, second support frame 223 is arranged in the installation module, and second mounting bracket 221 is fixed on institute
State the inner side of the second support frame 223.
Please continue to refer to Fig. 3 and Fig. 4, the first clamping wheel assembly 21 is also included in the first support frame being movably arranged
211st, for installing the first mounting bracket 212 of first pinch wheels 210, first mounting bracket 212 is installed by screw rod 213
It is fixed on first support frame 211；The screw rod 213, which is provided with, is located at first mounting bracket 212 and described first
Spring 214 between support 211, the spring 214, which can be played, to be prevented driving force excessive and then damages the fuel rod 900
Effect；The first clamping wheel assembly 21 also includes being fixed on the first fixed block set in the installation module and separately
215th, the second fixed block 216, the sliding guide 217 that is arranged between first, second fixed block 215,216 and installed in institute
The clamping cylinder 218 of the first fixed block 215 is stated, first support frame 211 is slidably disposed on the sliding guide 217
On, the clamping cylinder 218 can drive first support frame 211 to be slidably reciprocated on the sliding guide 217, and then cause
First pinch wheels 210 are close or away from second pinch wheels 220.Specifically, described first wheel assembly 21 is clamped
Also include the proximity switch 219 for being respectively used to detect the position of clamping cylinder 218 and the position of the first pinch wheels 210.
The fuel rod detection device 100 also includes setting at least a defects detection module and the control installed in module
Molding block, as the fuel rod 900 is moved relative to the fuel rod detection device 100, an at least defects detection module
The information of the relevant position of fuel rod 900 is detected in real time, and the axially position module detects the axle of the fuel rod 900 in real time
To displacement, so as to be gradually completing the detection to the whole fuel rod 900, the control module is received to be lacked from described at least one
Fall into the corresponding detection information of detection module and the axially position module and detected in real time according to the axially position module
Axial displacement accurately judges the corresponding information of each position of the fuel rod 900.Thereby, when other defect detection module is detected
During to some position existing defects of the fuel rod 900, the control module can accurately judge the defect of the fuel rod 900
Particular location.
Fig. 2, Fig. 5 and Fig. 6 are referred to, an at least defects detection module includes diameter detection module, the diameter inspection
Two linear displacement transducers 31 that module includes being oppositely arranged are surveyed, each linear displacement transducer 31 includes probe respectively
311st, with the measuring staffs 312 that are connected of probe 311 and being built in the linear displacement transducer 31 and can be that the measuring staff 312 be carried
For the elastic component 313 of elastic force, two linear displacement transducer 31 clamps wheel assembly 21,22 in water with described first, second
Square upwards it is substantially perpendicular be staggered, first, second pinch wheels 210,220 be located at it is described probe 311 top, from
And effectively improve the integrated level and space availability ratio of the fuel rod detection device 100；In a particular embodiment, the straight line
Displacement transducer 31 uses the conventional design of this area, I will not elaborate its structure and implementation.When starting to institute
When stating fuel rod 900 and being detected, the probe 311 of two linear displacement transducer 31 is contacted in the fuel rod 900 respectively
Opposite sides, as the fuel rod 900 is moved relative to the fuel rod detection device 100, two straight-line displacement sensing
Device 31 detects the diameter of the relevant position of fuel rod 900 in real time, when there is diameter dimension change, in the elastic component 313
In the presence of, respective changes occur for two probe the distance between 311 to keep connecing with the opposite sides of fuel rod 900
Touch, so as to the diameter change of fuel rod described in automatic detection 900 and by being used cooperatively with the axially position module, make
The particular location of diameter imperfections of the fuel rod 900 can accurately be judged in real time by obtaining the control module.
Referring to Fig. 6, the diameter detection module also includes setting in substantially vertical with two linear displacement transducer 31
The calibration cylinder 32 put, the calibration cylinder 32 is used to drive calibration block A to stretch between two probe 311 to play calibration
Purpose；Specifically, the calibration cylinder 32 is correspondingly arranged in the lower section of second pinch wheels 220 being fixedly installed, and is filled
Divide the underlying space that make use of second pinch wheels 220.
Fig. 2 and Fig. 7 is referred to, an at least defects detection module includes outward appearance detection module, when the fuel rod 900
When occurring relative move up and down with the fuel rod detection device 100, the outward appearance detection module detects the fuel rod in real time
The appearance information of 900 relevant positions simultaneously sends relevant information to the control module, the control module and according to the axle
The axial displacement information transmitted to locating module accurately judges the particular location of the open defect of fuel rod 900.The outward appearance
Detection module includes the photomoduel 51 for detecting the outward appearance of fuel rod 900 and is that the photomoduel 51 offer light is bright
The light source assembly 52 of degree；Specifically, the photomoduel 51 includes being vertically arranged camera 511, the support camera 511
Camera tripod 512 and it is inclined at immediately below the camera 511 and the adjustable reflective mirror 513 in position, such as, using normal
The screw clamping mechanism and hole slot detent mechanism seen realize the multi-angle of the reflective mirror 513 and the adjustment of different height；Institute
Stating light source assembly 52 includes the adjustable light source 521 in position and the light source support frame 522 being arranged in the installation module, such as,
The bottom of the light source support frame 522 can use double thread mechanism to play preferable locking and 360 degrees omnidirection adjustment, institute
Stating the top of light source support frame 522 can be connected by the way of hinge and screw thread are clamped with the light source 521, in order to the light
The pitching up and down in source 521.Specifically, the outward appearance detection module be arranged on one of described linear displacement transducer 31 with it is described
First, second clamps the region between wheel assembly 21, one of 22, so as to be effectively utilized space, is conducive to the miniaturization of equipment.
Fig. 2 and Fig. 8 is referred to, an at least defects detection module includes Non-Destructive Testing module 40, the Non-Destructive Testing
Module 40 is including being fixed on the support frame 41 in the installation module, the fixation installed in the crown center of support frame 41
Fixture 42 and the toroidal vortex flow probe 43 on the stationary fixture 42, the top of support frame 41 is vacantly arranged on institute
State the surface of axially position module and perforated design is made at its middle part.In a particular embodiment, when preparation is to the fuel rod 900
When being detected, the fuel rod 900 is put into the fuel rod detection device by the top of the eddy current probe 43 first
100, the fuel rod 900 pass sequentially through the eddy current probe 43, stationary fixture 42, the top of support frame 41, described first with
Between second pinch wheels 210,220, it is described install module passage, after the fuel rod 900 is in place, described first with
Second pinch wheels 210,220 are close to each other to clamp the fuel rod 900；Specifically, when the fuel rod detection device 100
During including the diameter detection module, the fuel rod 900 after by between first and second described pinch wheels 210,220 again
Pass through between two probes 311 of the diameter detection module, then pass through the passage of the installation module；It is preferred that described
The outside of eddy current probe 43 is additionally provided with the proximity switch 44 for detecting whether the fuel rod 900 is in place.Then, when the fuel
When with the fuel rod detection device 100 relative move up and down occurs for rod 900, that is, open the detection to the fuel rod 900, institute
Eddy current probe 43 is stated to detect the damage information of the relevant position of fuel rod 900 in real time and send relevant information to the control
Module, the control module simultaneously accurately judges the fuel rod according to the axial displacement information of axially position module transmission
The particular location of 900 damages.
Refer to Fig. 2 and Fig. 8, the support frame 41 include being fixed in the installation module four are arranged roughly in
Square supporting member 411/512 and the top support 412 being arranged on four supporting members 411/512, described in four
Supporting member 411/512 is set with two linear displacement transducer 31 and the first, second clamping wheel assembly 21,22 in interlocking
Put, so that four supporting members 411/512 are arranged on the corresponding linear displacement transducer 31 and pinch wheels group
Region between part 21,22, effectively improves space availability ratio.Specifically, one of them described supporting member 512 is described
Camera tripod 512 a, edge of the top support 412 is supported on the inner side of the supporting member 512；The top support
Frame 412 is cross support；The bottom of the top support 412 is connected with horn mouth guide (not shown).
Fig. 1 is referred to Fig. 3, the installation module includes installing plate 11, is connected in the middle part of the bottom surface of installing plate 11
Sleeve 12 and screen work cylinder 13 are protected, the installing plate 11 offers the through hole 110 passed through for the fuel rod 900, the through hole
110 as the passage composition, the top of the protection sleeve 12 sets around the through hole 110, the protection sleeve 12
For protecting the fuel rod 900, the screen work cylinder 13 is set around the top of the protection sleeve 12；Under the installing plate 11
Side is connected with horn mouth guide (not shown).The module of installing includes being fixed on the lifting bolt 14 of surrounding, in order to hang
Transport fuel rod detection device 100 described in equipment (not shown) handling；It is additionally provided with and (schemes not for fixing tracheae in the installation module
Show) tracheae fixed plate 15, the tracheae is that the swing offset sensory package 23 and the outward appearance detection module provide air inlet
Pressurize；The installation module is additionally provided with Signal transfer box 16 and signal wire clamp 17.
It by taking the fuel rod detection device 100 of the specific embodiment of the invention as an example, will be described below a kind of specific
Occupation mode：
First, the fuel rod detection device 100 is hoisted into new fuel elevator using the handling appliance (to scheme not
Show) on, and fixed by pinboard (not shown)；Then, using grabbing rod instrument (not shown) by spent fuel rods 900 from fuel stack
Extract out, and be put into the fuel rod detection device 100 in part screen work (not shown), when spent fuel rods 900 is put into completely, institute
State the top contact of the bottom plate Yu the fuel rod detection device 100 of grabbing rod instrument, the travelling crane hook of rod instrument is grabbed described in handling
The pressure value of pressure sensor in (not shown) is significantly reduced, and now the proximity switch 44 also detects the spentnuclear fuel
Rod 900 is put into completely, and first, second pinch wheels 210,220 are close to each other steps up the spent fuel rods 900；Then, institute
State new fuel elevator to move down so that the relatively described fuel rod detection device 100 of the spent fuel rods 900 is carried upwards, this
When each detection module bring into operation and the corresponding information detected be sent to the control module, so as to measure described in real time
The various defects of spent fuel rods 900 and the position for accurately judging the defect.It should be noted that should not be by above-mentioned user
Formula is read as the limitation to protection scope of the present invention.
Above disclosed is only the preferred embodiments of the present invention, can not limit the right model of the present invention with this certainly
Enclose, therefore the equivalent variations made according to scope of the present invention patent, still fall within the scope that the present invention is covered.
Claims (16)
1. a kind of fuel rod detection device, it is characterised in that determine including installing module, the axial direction in the installation module
Position module, the axially position module includes first and clamps wheel assembly, the second clamping wheel assembly and swing offset sensory package, institute
Stating first, second clamping wheel assembly includes being oppositely arranged respectively and can be driven the first pinch wheels that relatively move, second
Pinch wheels, the swing offset sensory package is connected with one of first pinch wheels, the second pinch wheels, first pinch wheels
And second pinch wheels be used for clamping the fuel rod that is put into the fuel rod detection device and institute moved up and down by the fuel rod
Driving rotates and then transmits the rotation to the swing offset sensory package, and the installation module is formed with wears for the fuel rod
The passage crossed.
2. fuel rod detection device as claimed in claim 1, it is characterised in that first pinch wheels and the second pinch wheels
Surface difference is encapsulated.
3. fuel rod detection device as claimed in claim 1, it is characterised in that first pinch wheels are in be movably arranged,
Second pinch wheels are in being fixedly installed, and the swing offset sensory package is connected with second pinch wheels and then revolved by driving
Turn.
4. fuel rod detection device as claimed in claim 3, it is characterised in that described first, which clamps wheel assembly, is also included in can
Mobile the first support frame set, the first mounting bracket for installing first pinch wheels, first mounting bracket pass through spiral shell
Bar is fixed on first support frame；The screw rod, which is provided with, is located at first mounting bracket and first support frame
Between spring.
5. fuel rod detection device as claimed in claim 1, it is characterised in that also including setting in the installation module extremely
Few a defects detection module and control module, it is described as the relatively described fuel rod detection device of the fuel rod is moved axially
An at least defects detection module detects the information of the fuel rod relevant position in real time, and the axially position module detects institute in real time
The axial displacement of fuel rod is stated, the control module is received from an at least defects detection module and the axially position mould
The corresponding detection information of the block and axial displacement detected in real time according to the axially position module judges each of the fuel rod
The corresponding information of individual position.
6. fuel rod detection device as claimed in claim 5, it is characterised in that an at least defects detection module includes straight
Footpath detection module, the diameter detection module includes two linear displacement transducers being oppositely arranged, and each straight-line displacement is passed
Sensor includes probe, with the measuring staff that is connected of probe and being built in the linear displacement transducer and can be the measuring staff respectively
The elastic component of elastic force is provided, two linear displacement transducer clamps wheel assembly in the horizontal direction with described first, second
Substantially perpendicular to be staggered, first, second pinch wheels are located at the top of the probe, when starting that the fuel rod is entered
During row detection, the probe of two linear displacement transducer contacts the opposite sides in the fuel rod respectively.
7. fuel rod detection device as claimed in claim 6, it is characterised in that the diameter detection module also include with it is described
Two linear displacement transducers are in the calibration cylinder of substantially vertical setting, and the calibration cylinder is described for driving calibration block to stretch to
To be calibrated between two probes.
8. fuel rod detection device as claimed in claim 7, it is characterised in that the calibration cylinder is correspondingly arranged in fixation
Below second pinch wheels set.
9. the fuel rod detection device as described in claim any one of 6-8, it is characterised in that an at least defects detection mould
Block includes outward appearance detection module, the outward appearance detection module be arranged on one of described linear displacement transducer with described first, the
Two clamp the region between one of wheel assembly.
10. fuel rod detection device as claimed in claim 9, it is characterised in that the outward appearance detection module includes being used to examine
Survey the photomoduel of the fuel rod outward appearance and the light source assembly of light luminance, the photomoduel are provided for the photomoduel
Including the camera being vertically arranged, the camera tripod of the support camera and it is inclined at immediately below the camera and position can
The reflective mirror of tune, the light source assembly includes the adjustable light source in position and the light source support frame being arranged in the installation module.
11. the fuel rod detection device as described in any one of claim 5, it is characterised in that an at least defects detection mould
Block includes Non-Destructive Testing module, and the Non-Destructive Testing module includes being fixed on the support frame installed in module, is arranged on
The stationary fixture of the support frame crown center and the toroidal vortex flow probe on the stationary fixture, the carriage
Top of the trellis is vacantly arranged on the surface of the axially position module and its middle part and makees perforated design.
12. fuel rod detection device as claimed in claim 11, it is characterised in that an at least defects detection module is also wrapped
Diameter detection module is included, the diameter detection module includes two linear displacement transducers being oppositely arranged, two straight-line displacement
Sensor clamps that wheel assembly is substantially perpendicular in the horizontal direction is staggered with described first, second, the support frame bag
Include the supporting member for four general alignment squarelys being fixed in the installation module and be arranged on four supporting members
On top support, four supporting members clamp wheel assembly with two linear displacement transducer and described first, second
In being staggered.
13. fuel rod detection device as claimed in claim 12, it is characterised in that an at least defects detection module is also wrapped
Outward appearance detection module is included, the outward appearance detection module is arranged on one of described linear displacement transducer and described first, second folder
Region between one of bearing up pulley component, the outward appearance detection module includes camera and camera tripod, wherein supporting structure described in one
Part is the camera tripod, and an edge of the top support is supported on the inner side of the camera tripod.
14. fuel rod detection device as claimed in claim 12, it is characterised in that the top support is cross support.
15. the fuel rod detection device as described in claim any one of 1-8, it is characterised in that the installation module includes peace
Dress plate, the protection sleeve qualifying frame cylinder being connected in the middle part of the installing plate bottom surface, the installing plate are offered for the fuel rod
The through hole passed through, the through hole is as the composition of the passage, and the top of the protection sleeve is set around the through hole, described
Protection sleeve is used to protect the fuel rod, and the screen work cylinder is set around the top of the protection sleeve.
16. the fuel rod detection device as described in claim any one of 1-8, it is characterised in that the installation module includes solid
It is scheduled on the lifting bolt of surrounding.
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| CN201710395778.0A CN107039092B (en) | 2017-05-31 | 2017-05-31 | Fuel rod detection device |
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| CN108986942A (en) * | 2018-08-22 | 2018-12-11 | 成都术有云视觉科技有限公司 | A kind of linear array identifying system of fuel rod end plug conicoid mark character |
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| CN112201375A (en) * | 2020-10-21 | 2021-01-08 | 中国核动力研究设计院 | Main shaft translation winding mechanism for dismantling nuclear reactor detector assembly and use method |
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| CN112259268A (en) * | 2020-10-21 | 2021-01-22 | 中国核动力研究设计院 | Nuclear reactor detector assembly removal system and control method |
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