CN107039092B - Fuel rod detection device - Google Patents
Fuel rod detection device Download PDFInfo
- Publication number
- CN107039092B CN107039092B CN201710395778.0A CN201710395778A CN107039092B CN 107039092 B CN107039092 B CN 107039092B CN 201710395778 A CN201710395778 A CN 201710395778A CN 107039092 B CN107039092 B CN 107039092B
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- Prior art keywords
- fuel rod
- module
- pinch wheels
- detection device
- detection
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Classifications
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- 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
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- 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, the axially position module being mounted in the installation module, the axially position module includes the first clamping wheel assembly, second clamps wheel assembly and swing offset sensory package, described first, second clamping wheel assembly respectively includes the first pinch wheels that is oppositely arranged and can be relatively moved by driving, 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 to clamp the fuel rod for being put into the fuel rod detection device and drive rotation to transmit the rotation to the swing offset sensory package in turn by moving up and down for the fuel rod, the installation module is formed with the channel passed through for the fuel rod.It designs whereby, the fuel rod detection device, which can either play the role of clamping, positions the fuel rod, is more capable of the axial displacement of fuel rod described in real-time detection.
Description
Technical field
The present invention relates to fuel rod technical field more particularly to a kind of fuel rod detection devices.
Background technique
Fuel rod is made of several hundred a ceramic UO pellets and Zirconium alloy material casing, as nuclear power station
" silo " its significance level is self-evident.To ensure that fuel rod operates normally, effectively radioactive substance is prevented to leak, it is necessary to make zirconium
Alloy is intact in use, and this just needs to carry out defects detection to the fuel rod after using.And current defect
Although detection device can detecte a certain classification defect of the fuel rod, but can not learn in real time and accurately described
The defect specific location of fuel rod can be learnt described in real time therefore, it is necessary to provide a kind of improved fuel rod detection device
The defect accurate location of fuel rod.
Summary of the invention
The purpose of the present invention is to provide a kind of fuel rod detection devices, can learn the defect of the fuel rod in real time
Accurate location.
To achieve the goals above, fuel rod detection device of the invention includes installation module, is mounted on the installation mould
Axially position module on block, the axially position module include the first clamping wheel assembly, the second clamping wheel assembly and rotation position
Move sensory package, the first, second clamping wheel assembly respectively include being oppositely arranged and can be relatively moved by driving the
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 to clamp the fuel rod for being put into the fuel rod detection device and by the fuel
Moving up and down for stick drives rotation and then transmits the rotation to the swing offset sensory package, and the installation module is formed with
The channel 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 be played the role of clamping the positioning fuel rod,
More it is capable of the axial displacement of fuel rod described in real-time detection, whereby, when other defect detection module detects the fuel rod
When a position existing defects, the axial displacement for the fuel rod that control module is detected according to the axially position module can be quasi-
The defect specific location for really determining the fuel rod effectively improves the detection efficiency and detection accuracy of the fuel rod, simultaneously
Without contacting the detection that the fuel rod can be realized.
Preferably, the surface of first pinch wheels and the second pinch wheels difference is encapsulated, and then increase and the fuel rod
Friction, while the protection fuel rod can be played the role of.
Preferably, first pinch wheels are in being movably arranged, second pinch wheels are in fixed setting, the rotation position
It moves sensory package to be connected with second pinch wheels and then be driven to rotate, so that the swing offset sensing group be effectively ensured
The reliability of part.
Preferably, the first clamping wheel assembly further includes in the first support frame being movably arranged, described for installing
First mounting rack of the first pinch wheels, first mounting rack are fixed on first support frame by screw rod；It is described
Screw rod is equipped with the spring between first mounting rack and first support frame, and the spring, which can play, to be prevented from driving
Power is excessive and then damages the effect of the fuel rod.
Preferably, the fuel rod detection device further includes at least defects detection module being arranged in the installation module
And control module, as the relatively described fuel rod detection device of the fuel rod moves axially, an at least defects detection mould
The information of fuel rod corresponding position described in block real-time detection, the axial position of fuel rod described in the axially position module real-time detection
It moves, the control module is received from at least corresponding detection information of a defects detection module and the axially position module
And according to the axially position module real-time detection to axial displacement accurately determine the fuel rod each position it is corresponding
Information, whereby, when other defect detection module detects some position existing defects of the fuel rod, the control module energy
Enough defect specific locations for accurately determining the fuel rod.
Preferably, 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 respectively includes probe, is connected with the probe
It measuring staff and is built in the linear displacement transducer and the elastic component of elastic force, two straight-line displacement can be provided for the measuring staff
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, whereby, can detect automatically the fuel rod diameter variation and by with
The axially position module enables the control module accurately to determine the diameter imperfections of the fuel rod in real time
Specific location, and effectively improve the integrated level and space utilization rate of the fuel rod detection device.
Preferably, the diameter detection module further includes the school with two linear displacement transducer in substantially vertical setting
Quasi- cylinder, the calibration cylinder are used to that calibration block to be driven to stretch between two probe purpose for playing calibration.
Preferably, the calibration cylinder is correspondingly arranged at below second pinch wheels in fixed setting, make full use of
The lower spaces of second pinch wheels.
Preferably, an at least defects detection module includes appearance detection module, the appearance detection module setting exists
Region between one of one of described linear displacement transducer and described first, second clamping wheel assembly, to be effectively utilized
Space is conducive to the miniaturization of equipment.
Preferably, the appearance detection module includes photomoduel for detecting the fuel rod appearance and for the phase
Thermomechanical components provide the light source assembly of light luminance, and the photomoduel includes the phase of the camera being vertically arranged, the support camera
It machine support frame and is inclined at immediately below the camera and the adjustable reflective mirror in position, the light source assembly include that position is adjustable
Light source and the light source support frame that is arranged in the installation module, described whereby appearance detection module can use and detect under water
Environment, and can be adjusted and obtain best detection position with corresponding.
Preferably, an at least defects detection module includes non-destructive testing module, the non-destructive testing module includes solid
It is scheduled on the braced frame installed in module, the stationary fixture of the braced frame top center is mounted on and is mounted on described
Toroidal vortex flow probe on stationary fixture, be vacantly arranged at the top of the braced frame surface of the axially position module and
Make perforated design in its middle part.Whereby, functionality, integrated level and the space utilization rate of the fuel rod detection device are improved.
Preferably, an at least defects detection module further includes diameter detection module, the diameter detection module includes
Two linear displacement transducers being oppositely arranged, two linear displacement transducer and described first, second clamp wheel assembly in water
Square upwards it is substantially perpendicular be staggered, the braced 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
It sets in the corresponding linear displacement transducer and clamps the region between wheel assembly, further improve the fuel rod detection
The space utilization rate of equipment.
Preferably, an at least defects detection module further includes appearance detection module, the appearance detection module setting
Region between one of one of described linear displacement transducer and described first, second clamping wheel assembly, the appearance detection
Module includes camera and camera tripod, wherein a supporting member is the camera tripod, the one of the top support
Edge is supported on the inside of the camera tripod.
Preferably, the top support is cross support.
Preferably, the installation module includes mounting plate, the protection sleeve being connected in the middle part of mounting plate bottom surface qualifying
Frame cylinder, the mounting plate offer the through-hole passed through for the fuel rod, composition of the through-hole as the channel, the guarantor
The top of pretective sleeve pipe is arranged around the through-hole, and for the protection sleeve for protecting the fuel rod, the screen work cylinder surrounds institute
State the top setting of protection sleeve.
Preferably, the installation module includes the lifting bolt for being fixed on surrounding, in order to fire described in handling appliance handling
Charge bar detection device.
Detailed description of the invention
Fig. 1 is the schematic perspective view of fuel rod detection device of the embodiment of the present invention.
Fig. 2 is the partial enlarged view of Fig. 1.
Fig. 3 is a schematic omission perspective view of 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 the side view of Fig. 3.
Fig. 5 is a schematic omission side view of 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 perspective view of fuel rod detection device shown in FIG. 1, to clearly show that the fuel
The diameter detection module of stick detection device and the second clamping wheel assembly.
Fig. 7 is another schematic omission side view of fuel rod detection device shown in FIG. 1, to clearly show that the fuel
The appearance detection module of stick detection device.
Fig. 8 is the another schematic omission side view of fuel rod detection device shown in FIG. 1, states fuel rod to clearly show that
The non-destructive testing module of detection device.
Specific embodiment
For the technology contents that the present invention will be described in detail, construction feature, the effect realized, below in conjunction with embodiment and match
Attached drawing is closed to be explained in detail.
Referring to FIG. 1 to FIG. 4, the fuel rod detection device 100 of the embodiment of the present invention include installation module, be mounted on it is described
Axially position module in module is installed, the axially position module includes that the first clamping wheel assembly 21, second clamps wheel assembly
22 and swing offset sensory package 23, the first, second clamping wheel assembly 21,22 is respectively included being oppositely arranged and can be driven
The first pinch wheels 210, the second pinch wheels 220 relatively moved, the swing offset sensory package 23 and first folder
One of bearing up pulley 210, second pinch wheels 220 are connected, and first pinch wheels 210 and the second pinch wheels 220 are used to clamp to be put into institute
It states the fuel rod 900 of fuel rod detection device 100 and drives rotation in turn will rotation by moving up and down for the fuel rod 900
The swing offset sensory package 23 is passed to, the installation module is formed with the channel 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 clamping and position the fuel
The axial displacement of fuel rod 900 described in real-time detection is more capable of in the effect of stick 900, whereby, when other defect detection module detects
When 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 determine the defect specific location of the fuel rod 900, effectively improve described
The detection efficiency and detection accuracy of fuel rod 900, while without contacting the detection that the fuel rod 900 can be realized.
Please refer to Fig. 3 and Fig. 4, surface encapsulated, the Jin Erzeng of difference of first pinch wheels 210 and the second pinch wheels 220
Greatly with the friction of the fuel rod 900, while the protection fuel rod 900 can be played the role of.First pinch wheels 210 are in
It is movably arranged, second pinch wheels 220 are in fixed setting, the swing offset sensory package 23 and second pinch wheels
220 are connected and then are driven to rotate, so that the reliability of the swing offset sensory package 23 be effectively ensured.
Fig. 3 and Fig. 4 is please referred to, the second clamping wheel assembly 22 further includes the second mounting rack 221, second pinch wheels
220 are mounted in second mounting rack 221 by the second clamping wheel shaft 222；Preferably, the swing offset sensory package 23
Including clamping the rotary shaft (not shown) of 222 one of wheel shaft, the rotary transformer being arranged in the rotary shaft with described second
231, it supports the bearing (not shown) of the rotary shaft and the sealing shell 232 of 231 outer end of rotary transformer is set, by
This, second pinch wheels 220 directly transmit the rotation to rotary shaft, and signal true and accurate, described second clamps wheel assembly 22
With 23 compact overall structure of swing offset sensory package, in addition, by be arranged 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 be all included within the scope of protection of the present invention；Preferably, the second clamping wheel assembly 22 further includes
Second support frame 223, second support frame 223 are mounted in the installation module, and second mounting rack 221 is fixed on institute
State 223 inside of the second support frame.
Please continue to refer to Fig. 3 and Fig. 4, the first clamping wheel assembly 21 further includes in the first support frame being movably arranged
211, for installing the first mounting rack 212 of first pinch wheels 210, first mounting rack 212 is installed by screw rod 213
It is fixed on first support frame 211；The screw rod 213, which is equipped with, is located at first mounting rack 212 and described first
Spring 214 between support 211, the spring 214, which can play, to be prevented driving force excessive and then damages the fuel rod 900
Effect；The first clamping wheel assembly 21 further includes being fixed on the first fixed block being arranged in the installation module and separately
215, the second fixed block 216, the sliding guide 217 that is arranged between first, second fixed block 215,216 and it is mounted on 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 slidably reciprocate on the sliding guide 217, so that
First pinch wheels 210 are close or far from second pinch wheels 220.Specifically, described first clamps wheel assembly 21
Further include be respectively used to detect 218 position of clamping cylinder and 210 position of the first pinch wheels close to switch 219.
The fuel rod detection device 100 further includes at least a defects detection module and the control being arranged in the installation module
Molding block, as the fuel rod 900 is relative to the fuel rod detection device 100 movement, an at least defects detection module
The information of 900 corresponding position of fuel rod described in real-time detection, the axis of fuel rod 900 described in the axially position module real-time detection
To displacement, to be gradually completing the detection to the entire fuel rod 900, the control module is received to be lacked from described at least one
It falls into the corresponding detection information of detection module and the axially position module and is arrived according to the axially position module real-time detection
Axial displacement accurately determines the corresponding information of each position of the fuel rod 900.Whereby, when other defect detection module detects
When to some position existing defects of the fuel rod 900, the control module can accurately determine the defect of the fuel rod 900
Specific location.
Fig. 2, Fig. 5 and Fig. 6 are please referred to, an at least defects detection module includes diameter detection module, the diameter inspection
Surveying module includes two linear displacement transducers 31 being oppositely arranged, and each linear displacement transducer 31 respectively includes popping one's head in
311, with 311 measuring staff 312 that is connected of probe and be built in the linear displacement transducer 31 and can be that the measuring staff 312 mention
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 utilization rate of the fuel rod detection device 100；In a particular embodiment, the straight line
Conventional design of the displacement sensor 31 using this field, 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 respectively in the fuel rod 900
Opposite sides, as the fuel rod 900 is mobile relative to the fuel rod detection device 100, the two straight-line displacements sensing
The diameter of 900 corresponding position of fuel rod described in 31 real-time detection of device, when there is diameter dimension variation, in the elastic component 313
Under the action of, corresponding changes occur for two probe the distance between 311 to keep connecing with 900 opposite sides of fuel rod
Touching makes so as to detect 900 diameter change of fuel rod automatically and by being used cooperatively with the axially position module
The specific location of diameter imperfections of the fuel rod 900 can accurately be determined in real time by obtaining the control module.
Referring to Fig. 6, the diameter detection module further includes setting with two linear displacement transducer 31 in substantially vertical
The calibration cylinder 32 set, the calibration cylinder 32 is for driving calibration block A to stretch between two probe 311 to play calibration
Purpose；Specifically, the calibration cylinder 32 is correspondingly arranged at second pinch wheels, 220 lower section in fixed setting, fill
Divide the lower space that second pinch wheels 220 are utilized.
Fig. 2 and Fig. 7 is please referred to, an at least defects detection module includes appearance detection module, when the fuel rod 900
When opposite move up and down occurs with the fuel rod detection device 100, fuel rod described in the appearance detection module real-time detection
The appearance information of 900 corresponding positions simultaneously sends relevant information to the control module, the control module and according to the axis
The axial displacement information transmitted to locating module accurately determines the specific location of 900 open defect of fuel rod.The appearance
Detection module includes photomoduel 51 for detecting 900 appearance of fuel rod and to provide light for the photomoduel 51 bright
The light source assembly 52 of degree；Specifically, the photomoduel 51 includes the camera 511 being vertically arranged, the support camera 511
It camera tripod 512 and is inclined at immediately below the camera 511 and the adjustable reflective mirror 513 in position, for example, using normal
The screw clamping mechanism and hole slot positioning mechanism seen realize the multi-angle of the reflective mirror 513 and the adjustment of different height；Institute
The light source support frame 522 that light source assembly 52 includes the adjustable light source 521 in position and is arranged in the installation module is stated, for example,
Double thread mechanism can be used to play preferable locking and 360 degrees omnidirection adjustment, institute in the bottom of the light source support frame 522
Stating 522 top of light source support frame can be connected in such a way that hinge and screw thread clamp with the light source 521, in order to the light
The pitching up and down in source 521.Specifically, appearance detection module setting one of described linear displacement transducer 31 with it is described
Region between one of first, second clamping wheel assembly 21,22 is conducive to the miniaturization of equipment to be effectively utilized space.
Fig. 2 and Fig. 8 is please referred to, an at least defects detection module includes non-destructive testing module 40, the non-destructive testing
Module 40 includes the braced frame 41 being fixed in the installation module, the fixation for being mounted on 41 top center of braced frame
Fixture 42 and the toroidal vortex flow being mounted on the stationary fixture 42 probe 43,41 top of braced frame is hanging to be arranged in institute
It states the surface of axially position module and its middle part and makees perforated design.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 braced frame 41, described first with
Between second pinch wheels 210,220, it is described installation module channel, 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, working as the fuel rod detection device 100
When including the diameter detection module, the fuel rod 900 after by between first and second described pinch wheels 210,220 again
By passing through between two probes 311 of the diameter detection module, then pass through the channel of the installation module；Preferably, described
Be additionally provided with whether the detection fuel rod 900 be in place on the outside of eddy current probe 43 close to switch 44.Then, when the fuel
When opposite move up and down occurs for stick 900 and the fuel rod detection device 100, that is, open the detection to the fuel rod 900, institute
It states the damage information of 900 corresponding position of fuel rod described in 43 real-time detection of eddy current probe and sends relevant information to the control
Module, the control module simultaneously accurately determine the fuel rod according to the axial displacement information that the axially position module transmits
The specific location of 900 damages.
Fig. 2 and Fig. 8 is please referred to, the braced frame 41 includes that four be fixed in the installation module are arranged roughly in
Rectangular 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
It sets, so that four settings of supporting member 411/512 are in the corresponding linear displacement transducer 31 and pinch wheels group
Region between part 21,22, effectively improves space utilization rate.Specifically, one of them described supporting member 512 is described
Camera tripod 512, an edge of the top support 412 are supported on the inside 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 part (not shown).
It please refers to Fig.1 to Fig.3, the installation module includes mounting plate 11, is connected in the middle part of 11 bottom surface of mounting plate
Sleeve 12 and screen work cylinder 13 are protected, the mounting plate 11 offers the through-hole 110 passed through for the fuel rod 900, the through-hole
The top of 110 composition as the channel, the protection sleeve 12 is arranged around the through-hole 110, the protection sleeve 12
For protecting the fuel rod 900, top setting of the screen work cylinder 13 around the protection sleeve 12；Under the mounting plate 11
Side is connected with horn mouth guide part (not shown).The installation module includes the lifting bolt 14 for being fixed on surrounding, in order to hang
Transport fuel rod detection device 100 described in the handling of equipment (not shown)；It is additionally provided in the installation module and (schemes not for fixing tracheae
Show) tracheae fixed plate 15, the tracheae provides air inlet for the swing offset sensory package 23 and the appearance detection module
Pressure maintaining；The installation module is additionally provided with Signal transfer box 16 and signal wire clamp 17.
It is a kind of specific that it by taking the fuel rod detection device 100 of the specific embodiment of the invention as an example, will be described below
Usage mode:
(scheme not firstly, the fuel rod detection device 100 is hoisted to new fuel elevator using the handling appliance
Show) on, and fixed by pinboard (not shown)；Then, using grabbing stick tool (not shown) for spent fuel rods 900 from fuel stack
It extracts out, and is put into the fuel rod detection device 100 in part screen work (not shown), when spent fuel rods 900 is put into completely, institute
It states and grabs the bottom plate of stick tool and contacted with the top of the fuel rod detection device 100, the travelling crane hook of stick tool is grabbed described in handling
The pressure value of pressure sensor in (not shown) significantly reduces, described at this time also to detect the spentnuclear fuel close to switch 44
Stick 900 is put into completely, and first, second pinch wheels 210,220 are close to each other to step up the spent fuel rods 900；Then, institute
New fuel elevator is stated to move down, so that the relatively described fuel rod detection device 100 of the spent fuel rods 900 mentions upwards, this
When each detection module bring into operation and the corresponding information that will test is sent to the control module, so that real-time measurement is to described
The various defects of spent fuel rods 900 and the position for accurately determining 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.
The above disclosure is only a preferred example of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore according to equivalent variations made by scope of the present invention patent, still falls within the range that the present invention is covered.
Claims (15)
1. a kind of fuel rod detection device, which is characterized in that fixed including installation module, the axial direction being mounted in the installation module
Position module, the axially position module include the first clamping wheel assembly, the second clamping wheel assembly and swing offset sensory package, institute
It states the first, second clamping wheel assembly and respectively includes the first pinch wheels that is oppositely arranged and can be relatively moved by driving, second
Pinch wheels, the swing offset sensory package are connected with one of first pinch wheels, the second pinch wheels, first pinch wheels
And second pinch wheels be used to clamp the fuel rod for being 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 channel crossed；It further include at least a defects detection module and the control module being arranged in the installation module, with the fuel
The relatively described fuel rod detection device of stick moves axially, and fuel rod described in an at least defects detection module real-time detection is corresponding
The information of position, the axial displacement of fuel rod described in the axially position module real-time detection, the control module reception come from
At least corresponding detection information of a defects detection module and the axially position module and according to the axially position module
Real-time detection to axial displacement determine the fuel rod each position corresponding information；An at least defects detection module
Including diameter detection module, the diameter detection module includes two linear displacement transducers being oppositely arranged, two straight line position
Displacement sensor clamps that wheel assembly is substantially perpendicular in the horizontal direction is staggered with described first, second.
2. fuel rod detection device as described in claim 1, which is characterized in that first pinch wheels and the second pinch wheels
Surface difference is encapsulated.
3. fuel rod detection device as described in claim 1, which is characterized in that first pinch wheels are in be movably arranged,
In fixed setting, the swing offset sensory package is connected with second pinch wheels and then is revolved by driving second pinch wheels
Turn.
4. fuel rod detection device as claimed in claim 3, which is characterized in that the first clamping wheel assembly further includes in can
The first support frame, the first mounting rack for installing first pinch wheels of mobile setting, first mounting rack pass through spiral shell
Bar is fixed on first support frame；The screw rod, which is equipped with, is located at first mounting rack and first support frame
Between spring.
5. fuel rod detection device as described in claim 1, which is characterized in that each linear displacement transducer wraps respectively
It includes probe, the measuring staff being connected with the probe and is built in the linear displacement transducer and elastic force can be provided for the measuring staff
Elastic component, first, second pinch wheels are located at the top of the probe, when starting to detect the fuel rod,
The probe of two linear displacement transducer contacts the opposite sides in the fuel rod respectively.
6. fuel rod detection device as claimed in claim 5, which is characterized in that the diameter detection module further 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 of linear displacement transducer.
7. fuel rod detection device as claimed in claim 6, which is characterized in that the calibration cylinder is correspondingly arranged in fixation
Below second pinch wheels being arranged.
8. such as the described in any item fuel rod detection devices of claim 5-7, which is characterized in that an at least defects detection mould
Block includes appearance detection module, appearance detection module setting one of described linear displacement transducer with described first, the
Two clamp the region between one of wheel assembly.
9. fuel rod detection device as claimed in claim 8, which is characterized in that the appearance detection module includes for detecting
The photomoduel of the fuel rod appearance and the light source assembly of light luminance, the photomoduel packet are provided for the photomoduel
The camera being vertically arranged is included, the camera tripod of the camera is supported and is inclined at the camera underface and position is adjustable
Reflective mirror, the light source assembly include the adjustable light source in position and be arranged in it is described installation module on light source support frame.
10. fuel rod detection device as described in claim 1, which is characterized in that an at least defects detection module includes
Non-destructive testing module, the non-destructive testing module include the braced frame being fixed in the installation module, are mounted on the branch
Stationary fixture among support frame top of the trellis and the toroidal vortex flow being mounted on stationary fixture probe, at the top of the braced frame
Vacantly be arranged in the axially position module surface and its in the middle part of make perforated design.
11. fuel rod detection device as claimed in claim 10, which is characterized in that the braced frame is described including being fixed on
The supporting member of four general alignment squarelys in installation module and the top support being arranged on four supporting members,
Four supporting members and two linear displacement transducer and the wrong setting of the first, second clamping wheel assembly submission.
12. fuel rod detection device as claimed in claim 11, which is characterized in that an at least defects detection module is also wrapped
Appearance detection module is included, the appearance detection module setting is in one of described linear displacement transducer and first, second folder
Region between one of bearing up pulley component, the appearance detection module includes camera and camera tripod, wherein a support structure
Part is the camera tripod, and an edge of the top support is supported on the inside of the camera tripod.
13. fuel rod detection device as claimed in claim 12, which is characterized in that the top support is cross support.
14. such as the described in any item fuel rod detection devices of claim 1-7, which is characterized in that the installation module includes peace
Loading board, the protection sleeve qualifying frame cylinder being connected in the middle part of the mounting plate bottom surface, the mounting plate are offered for the fuel rod
By through-hole, composition of the through-hole as the channel, it is described protection sleeve top around the through-hole setting, it is described
Protection sleeve is for protecting the fuel rod, top setting of the screen work cylinder around the protection sleeve.
15. such as the described in any item fuel rod detection devices of claim 1-7, which is characterized in that the installation module includes solid
It is scheduled on the lifting bolt of surrounding.
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| CN108613691B (en) * | 2018-05-22 | 2021-06-29 | 湖南瑞智健科技有限公司 | Backlight imaging method and device for separated reflective element |
| CN108986942B (en) * | 2018-08-22 | 2024-04-23 | 成都术有云视觉科技有限公司 | Linear array recognition system for marking characters on conical surface of end plug of fuel rod |
| CN109827972A (en) * | 2019-03-28 | 2019-05-31 | 中核建中核燃料元件有限公司 | A kind of device and its detection method for nuclear fuel rod Surface testing |
| CN112259268B (en) * | 2020-10-21 | 2022-03-01 | 中国核动力研究设计院 | Nuclear reactor detector assembly removal system and control method |
| CN112259267B (en) * | 2020-10-21 | 2022-04-01 | 中国核动力研究设计院 | Nuclear reactor detector assembly removal device |
| CN112201375B (en) * | 2020-10-21 | 2022-02-11 | 中国核动力研究设计院 | Main shaft translation winding mechanism for dismantling nuclear reactor detector assembly and use method |
| CN117816771B (en) * | 2024-03-04 | 2024-05-14 | 四川明珠电工材料有限责任公司 | Online flaw detection device of continuous extrusion machine |
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