CN206961529U - Fuel rod detection device - Google Patents

Fuel rod detection device Download PDF

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Publication number
CN206961529U
CN206961529U CN201720616456.XU CN201720616456U CN206961529U CN 206961529 U CN206961529 U CN 206961529U CN 201720616456 U CN201720616456 U CN 201720616456U CN 206961529 U CN206961529 U CN 206961529U
Authority
CN
China
Prior art keywords
fuel rod
module
detection device
pinch wheels
detection module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201720616456.XU
Other languages
Chinese (zh)
Inventor
陈嘉杰
鹿帅
吴玉
刘佩
殷勇
李晓
刘帅
徐宏伟
张红
黄海华
吴梦莹
刘刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China General Nuclear Power Corp
China Nuclear Power Technology Research Institute Co Ltd
CGN Power Co Ltd
Lingao Nuclear Power Co Ltd
China Nuclear Power Institute Co Ltd
Original Assignee
China General Nuclear Power Corp
China Nuclear Power Technology Research Institute Co Ltd
CGN Power Co Ltd
Lingao Nuclear Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China General Nuclear Power Corp, China Nuclear Power Technology Research Institute Co Ltd, CGN Power Co Ltd, Lingao Nuclear Power Co Ltd filed Critical China General Nuclear Power Corp
Priority to CN201720616456.XU priority Critical patent/CN206961529U/en
Application granted granted Critical
Publication of CN206961529U publication Critical patent/CN206961529U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

Abstract

The utility model 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 installation module 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, can more detect the axial displacement of the fuel rod in real time.

Description

Fuel rod detection device
Technical field
It the utility model is related 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 as nuclear power station " silo " its significance level is self-evident.To ensure fuel rod normal operation, effectively radioactive substance is prevented to leak, it is necessary to make zirconium Alloy stands intact in use, and this just needs to carry out defects detection to the fuel rod after use.And the defects of current Although detection device can detect a certain classification defect of the fuel rod, but can not in real time and accurately learn described The defects of fuel rod particular location, therefore, it is necessary to provide a kind of improved fuel rod detection device, can learn in real time described The defects of fuel rod accurate location.
Utility model content
The purpose of this utility model is to provide a kind of fuel rod detection device, can in real time learn the fuel rod Defect accurate location.
To achieve these goals, fuel rod detection device of the present utility model includes installation module, installed in the peace Axially position module on die-filling piece, the axially position module include first and clamp wheel assembly, the second clamping wheel assembly and rotation Indexing moves sensory package, and the first, second clamping wheel assembly includes being oppositely arranged and being relatively moved by driving respectively The first pinch wheels, the second pinch wheels, the swing offset sensory package and one of first pinch wheels, the second pinch wheels phase Even, 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 combustion Moving up and down for charge bar drives rotation and then transmits the rotation to the swing offset sensory package, and the installation module is formed There is 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 detects according to the axially position module can be accurate The defects of really judging fuel rod particular location, the detection efficiency and accuracy of detection of the fuel rod are effectively improved, simultaneously The detection of the fuel rod can be achieved without contact.
It is preferred that 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 a part of.
It is preferred that first pinch wheels, in being movably arranged, second pinch wheels are in fixed setting, the rotation position Move sensory package to be connected and then be driven in rotation with second pinch wheels, so as to which the swing offset sensing group be effectively ensured The reliability of part.
It is preferred that the first clamping wheel assembly is also included in the first support frame being movably arranged, described for installing First mounting bracket of the first pinch wheels, first mounting bracket are fixed on first support frame by screw rod;It is described Screw rod is provided with the spring between first mounting bracket 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.
It is preferred that the fuel rod detection device also includes setting at least defects detection module 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 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 is received from least corresponding detection information of 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 the defects of accurately judging fuel rod particular locations.
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 to judge the diameter imperfections of the fuel rod in real time Particular location, effectively improve the integrated level and space availability ratio of the fuel rod detection device 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 are 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 at below second pinch wheels in fixed setting, 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, be advantageous 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 the light source support frame that is arranged in the installation module, thereby the outward appearance detection module can use and detect under water Environment, and can be adjusted obtaining best test position with corresponding.
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 Toroidal vortex flow probe on stationary fixture, be vacantly arranged at the top of 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 clamp 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 Region between one of wheel assembly, the outward appearance detection are clamped in one of described linear displacement transducer and described first, second 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 inner side of the camera tripod.
It is preferred that the top support is cross support.
It is preferred that the installation module includes installing plate, the protection sleeve being connected in the middle part of the installing plate bottom surface is passed Frame cylinder, the installing plate offer the through hole passed through for the fuel rod, composition of the through hole as 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 installation module includes being fixed on the lifting bolt of surrounding, in order to combustion described in handling appliance handling Charge bar detection device.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the utility model embodiment fuel rod detection device.
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 that the another of the fuel rod detection device shown in Fig. 1 schematically omits stereogram, to clearly show that the fuel The diameter detection module of rod detection device and the second clamping wheel assembly.
Fig. 7 is that the another of the fuel rod detection device shown in Fig. 1 schematically omits side view, to clearly show that the fuel The outward appearance detection module of rod detection device.
Fig. 8 is that the another of the fuel rod detection device shown in Fig. 1 schematically omits side view, and fuel rod is stated to clearly show that The Non-Destructive Testing module of detection device.
Embodiment
To describe technology contents of the present utility model, construction feature, the effect realized in detail, below in conjunction with embodiment And accompanying drawing is coordinated to be explained in detail.
Fig. 1 to Fig. 4 is referred to, the fuel rod detection device 100 of the utility model embodiment includes installation module, is arranged on Axially position module in the installation module, the axially position module include first and clamp wheel assembly 21, the second pinch wheels Component 22 and swing offset sensory package 23, the first, second clamping wheel assembly 21,22 include being oppositely arranged respectively and can quilts Drive the first pinch wheels 210, the second pinch wheels 220 that relatively move, the swing offset sensory package 23 and described the One of one pinch wheels 210, second pinch wheels 220 are connected, and the pinch wheels 220 of the first pinch wheels 210 and second are used for clamping putting Enter the fuel rod 900 of the fuel rod detection device 100 and rotation and then general are driven by moving up and down for the fuel rod 900 Rotation passes to the swing offset sensory package 23, and the installation module 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 other defect detection module detects During to some position existing defects of the fuel rod 900, control module (not shown) detects according to the axially position module The axial displacement of the fuel rod 900 can accurately judge the defects of fuel rod 900 particular location, effectively improve described The detection efficiency and accuracy of detection of fuel rod 900, while without the detection of the i.e. achievable fuel rod 900 of 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 fixed setting, the swing offset sensory package 23 and second pinch wheels 220 are connected and then are driven in rotation, so as to which the reliability of the swing offset sensory package 23 be effectively ensured.
Fig. 3 and Fig. 4 is referred to, the second clamping 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, and signal true and accurate, described second clamps 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 in the scope of protection of the utility model;It is preferred that described second clamps wheel assembly 22 also Including the second support frame 223, second support frame 223 is arranged in the installation module, and second mounting bracket 221 is fixed In 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 is provided with positioned at first mounting bracket 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 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 being respectively used to the proximity switch 219 for detecting 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 in the installation module Molding block, as the fuel rod 900 moves 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 receives 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 detects During to some position existing defects of the fuel rod 900, the defects of control module can accurately judge 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 being carried for the measuring staff 312 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 positioned 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 is using 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 contacts in the fuel rod 900 respectively Opposite sides, as the fuel rod 900 moves relative to the fuel rod detection device 100, the two straight-line displacements 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, the generation respective changes of two probe the distance between 311 are 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 are used to drive calibration block A to stretch between two probe 311 to play calibration Purpose;Specifically, the calibration cylinder 32 is correspondingly arranged at the lower section of second pinch wheels 220 in fixed setting, fills 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 relative move up and down occurs 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 realizes the adjustment of the multi-angle of the reflective mirror 513 and 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 clamp 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 advantageous 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 are vacantly arranged on institute State the surface of axially position module and its middle part and make 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 support frame 41, described first with Between second pinch wheels 210,220, it is described installation 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 By the diameter detection module two probe 311 between by, then pass through it is described installation module passage;It is it is preferred that described The outside of eddy current probe 43, which is additionally provided with, detects the proximity switch 44 whether 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 and the axial displacement information transmitted according to the axially position module accurately judge the fuel rod 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, an edge of the top support 412 are 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 to Fig. 3 is referred to, 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 composition as the passage, the top of the protection sleeve 12 are set 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 installation module 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 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 outward appearance detection module Pressurize;The installation module is additionally provided with Signal transfer box 16 and signal wire clamp 17.
Its one kind tool by taking the fuel rod detection device 100 of the utility model specific embodiment as an example, will be described below The occupation mode of body:
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 The top contact of the bottom plate Yu the fuel rod detection device 100 of grabbing rod instrument is stated, the travelling crane hook of rod instrument is grabbed described in handling The pressure value of pressure sensor in (not shown) significantly reduces, 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 to step up the spent fuel rods 900;Then, institute New fuel elevator to be stated to move down so that the relatively described fuel rod detection device 100 of the spent fuel rods 900 carries upwards, this When each detection module bring into operation and the corresponding information detected be sent to the control module, it is described so as to measure in real time The various defects of spent fuel rods 900 simultaneously accurately judge the position of the defect.It should be noted that should not be by above-mentioned user Formula is read as the limitation to the scope of protection of the utility model.
Above disclosed is only preferred embodiments of the present utility model, can not limit the utility model with this certainly Interest field, therefore equivalent variations made according to present utility model application the scope of the claims still fall within the utility model and are covered Scope.

Claims (16)

1. a kind of fuel rod detection device, it is characterised in that determine the axial direction including installation module, in the installation module Position module, the axially position module include first and clamp 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 are 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 is rotated and then transmits the rotation to the swing offset sensory package, and the installation module is worn formed with the confession 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, In fixed setting, the swing offset sensory package is connected and then revolved by driving second pinch wheels with second pinch wheels Turn.
4. fuel rod detection device as claimed in claim 3, it is characterised in that described first, which clamps wheel assembly, also includes 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 is provided with positioned 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 include 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 moves 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 include two linear displacement transducers being oppositely arranged, and each straight-line displacement passes 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 the probe of two linear displacement transducers.
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, and the outward appearance detection module is arranged on one of described linear displacement transducer and described first, 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 be vertically arranged camera, the camera tripod of the support camera and be inclined at immediately below the camera and position can The reflective mirror of tune, the light source assembly include the adjustable light source in position and the light source support frame being arranged in the installation module.
11. fuel rod detection device as claimed in claim 5, it is characterised in that an at least defects detection module includes Non-Destructive Testing module, the Non-Destructive Testing module include be fixed on it is described installation module on support frame, installed in the branch Stationary fixture among support frame top of the trellis and the toroidal vortex flow probe on the stationary fixture, the support frame top Vacantly it is 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 include camera and camera tripod, wherein a support structure 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 Loading board, 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, composition of the through hole as the passage, 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.
CN201720616456.XU 2017-05-31 2017-05-31 Fuel rod detection device Withdrawn - After Issue CN206961529U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720616456.XU CN206961529U (en) 2017-05-31 2017-05-31 Fuel rod detection device

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Application Number Priority Date Filing Date Title
CN201720616456.XU CN206961529U (en) 2017-05-31 2017-05-31 Fuel rod detection device

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CN206961529U true CN206961529U (en) 2018-02-02

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CN201720616456.XU Withdrawn - After Issue CN206961529U (en) 2017-05-31 2017-05-31 Fuel rod detection device

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CN (1) CN206961529U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107039092A (en) * 2017-05-31 2017-08-11 岭澳核电有限公司 Fuel rod detection device
CN112098124A (en) * 2020-08-28 2020-12-18 清华大学 Method and device for measuring performance of built-in driving mechanism

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107039092A (en) * 2017-05-31 2017-08-11 岭澳核电有限公司 Fuel rod detection device
CN107039092B (en) * 2017-05-31 2019-03-19 岭澳核电有限公司 Fuel rod detection device
CN112098124A (en) * 2020-08-28 2020-12-18 清华大学 Method and device for measuring performance of built-in driving mechanism
CN112098124B (en) * 2020-08-28 2021-09-10 清华大学 Method and device for measuring performance of built-in driving mechanism

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