CN104112484A - Containment mechanical penetrating piece of nuclear power station, and in-service inspection method and device for welding seam of containment mechanical penetrating piece of nuclear power station - Google Patents
Containment mechanical penetrating piece of nuclear power station, and in-service inspection method and device for welding seam of containment mechanical penetrating piece of nuclear power station Download PDFInfo
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- CN104112484A CN104112484A CN201410342521.5A CN201410342521A CN104112484A CN 104112484 A CN104112484 A CN 104112484A CN 201410342521 A CN201410342521 A CN 201410342521A CN 104112484 A CN104112484 A CN 104112484A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The invention relates to a containment mechanical penetrating piece of a nuclear power station, and an in-service inspection method and device for a welding seam of the containment mechanical penetrating piece of the nuclear power station, and is used for performing the in-service inspection on the welding seam between a pipeline in which a high-energy medium flows and a sealing head in the containment mechanical penetrating piece of the nuclear power station. The in-service inspection method of the welding seam comprises the steps: (S1) arranging a protective sleeve outside the pipeline in a to-be-inspected containment mechanical penetrating piece in a sheathing manner and arranging the protective sleeve to be close to an anchoring sleeve in the containment mechanical penetrating piece, so as to form containing space for the in-service inspection device for the welding seam to operate between the protective sleeve and the pipeline; (S2) installing the in-service inspection device for the welding seam in the containing space, wherein a radiation source assembly and a film are arranged on the in-service inspection device for the welding seam, and pushing the device to a position on which the to-be-inspected welding seam is positioned; (S3) controlling a control unit of the in-service inspection device for the welding seam, so as to start a lifting assembly, so that the film is clung to a to-be-inspected welding seam; and (S4) controlling the radiation source assembly to start the irradiation, then starting the lifting assembly again after the irradiation, so that the film is reset to the initial position, and taking out the in-service inspection device for the welding seam, so as to obtain an inspection result.
Description
Technical field
The present invention relates to nuclear power station electromechanical assembly, in particular, relate to a kind of nuclear power plant containment shell machinery penetration piece and weld seam inservice inspection method and apparatus thereof.
Background technology
Containment machinery penetration piece in nuclear power station has radioactive shield function; as shown in Figure 1, containment machinery penetration piece comprises pipeline 1 for high energy media flow, is set in the protection sleeve 2 of pipeline 1 outside, the end socket 4 that is set in the anchoring sleeve 3 of protection sleeve 2 outsides and is fixedly connected with anchoring sleeve 3 with pipeline 1 respectively.
In the prior art, pipeline 1 is all fixedly connected with end socket 4 by the mode of welding with anchoring sleeve 3.Weld seam between end socket 4 and pipeline 1 is positioned at anchoring sleeve 3 inside, because existing protection sleeve 2 is close to pipeline 1 outer setting, makes existing detection device cannot arrive this weld seam to carry out inservice inspection.Weld seam between end socket 4 and pipeline 1 is because detecting the blind area that becomes inservice inspection, and the abnormal conditions that cannot find in time this weld seam at nuclear power station run duration are to prevent trouble before it happens.Once this weld seam leaks, can cause the interior mobile high energy medium of pipeline 1 to leak, cause serious consequence.
Therefore, industry is to solve the aforementioned problems in the prior propose to adopt the mode of solid forging to manufacture pipeline 1 and end socket 4, makes pipeline 1 and end socket 4 structure that is formed in one, and has directly avoided the generation of weld seam between end socket 4 and pipeline 1.Although the solution that the method is put things right once and for all the problem that this weld seam is carried out to inservice inspection, the material usage of solid forging is large, manufacturing process is complicated, difficulty is large and cost significantly improves.
That is to say, in existing nuclear power technology field, also cannot realize the effective inservice inspection to weld seam between the end socket 4 in nuclear power plant containment shell machinery penetration piece and pipeline 1.
Summary of the invention
In order to solve in prior art, cannot to the weld seam between end socket and pipeline, carry out the problem of inservice inspection, the invention provides a kind ofly can carry out reliably this weld seam to be measured, nuclear power plant containment shell machinery penetration piece and the weld seam inservice inspection method and apparatus thereof of inservice inspection easily.
The technical solution adopted for the present invention to solve the technical problems is: the invention provides a kind of nuclear power plant containment shell machinery penetration piece weld seam inservice inspection method, inservice inspection for weld seam between the interior pipeline for high energy media flow of nuclear power plant containment shell machinery penetration piece and end socket, comprises the following steps:
S1. the protection sleeve in containment machinery penetration piece to be measured is set between the anchoring sleeve in described pipeline and described containment machinery penetration piece to be measured, and near described anchoring sleeve setting, make formation between described protection sleeve and described pipeline supply the spatial accommodation of weld seam inservice inspection device work described protection sleeve;
S2. the described weld seam inservice inspection device with radiographic source assembly and film is arranged in described spatial accommodation, and described weld seam inservice inspection device is pushed to the position at described weld seam to be measured place;
S3. control the control module of described weld seam inservice inspection device to start the lifting assembly of described weld seam inservice inspection device, make described film be adjacent to described weld seam to be measured;
S4. control described radiographic source assembly and start irradiation, and after completing irradiation, again start described lifting assembly, make described film be reset to the position away from described weld seam to be measured, take out described weld seam inservice inspection device to obtain check result.
Before described step S1, also comprise step S0: according to the distance between described weld seam to be measured and described end socket, regulate the keeper on described weld seam inservice inspection device along the bearing of trend of described pipeline, to stretch out the length of described weld seam inservice inspection device, to guarantee that described film is over against described weld seam to be measured.
Described step S2 comprises: S21. is compressed described weld seam inservice inspection device to be arranged on the inner peripheral surface of described protection sleeve by a plurality of roll wheel assemblies of compressible adjusting in described weld seam inservice inspection device; S22. along the described weld seam inservice inspection of the axial promotion device of described pipeline, until described keeper is resisted against on the end face of described end socket, make described film over against described weld seam to be measured.
Described step S3 also comprises: described film and described weld seam to be measured trigger the travel switch in described lifting assembly while being adjacent to, and controls described lifting assembly and stops moving and make described film keep being adjacent to described weld seam to be measured.
If the once irradiating of described weld seam inservice inspection device can only complete the toposcopy to weld seam to be measured, after described step S4, also comprise step S5: take out described weld seam inservice inspection device to change film, the definite angle that rotates in a circumferential direction by described weld seam inservice inspection device along described pipeline, by described step S2, the described weld seam inservice inspection device of rotation gained is arranged in described containment machinery penetration piece, by described step S3 and S4, completes the inservice inspection to the not surveyed area of described weld seam to be measured; Repeating said steps S2, S3, S4 and S5 are until described weld seam inservice inspection device completes the circumferential inspection to whole described weld seam to be measured.
Method for the inservice inspection of above-mentioned containment machinery penetration piece weld seam, the present invention also provides a kind of nuclear power plant containment shell machinery penetration piece, comprise pipeline for high energy media flow, be embedded in anchoring sleeve and the end socket for being fixedly connected with respectively with described pipeline with described anchoring sleeve in containment, described anchoring sleeve is set in described pipeline external; Described nuclear power plant containment shell machinery penetration piece also comprises for preventing that described pipeline internal medium is ejected into the protection sleeve on described anchoring sleeve, described protection sleeve is set between described pipeline and described anchoring sleeve, and described protection sleeve, near described anchoring sleeve setting, makes formation between described protection sleeve and described pipeline supply the spatial accommodation of weld seam inservice inspection device work; Between described end socket and described pipeline, adopt and be welded and fixed, the position that described end socket is connected with described pipeline stretches out and forms the connecting portion identical with the external diameter of described pipeline, the length of described connecting portion is L, and L >=15mm can be adjacent to face of weld to be measured to guarantee the film on described weld seam inservice inspection device.
The present invention also provides a kind of weld seam inservice inspection device, for pipeline and the weld seam between end socket in foregoing nuclear power plant containment shell machinery penetration piece, carry out inservice inspection, described weld seam inservice inspection device comprises the mounting bracket that is set in described pipeline external, for described mounting bracket being delivered to a plurality of roll wheel assemblies of the detected part of described pipeline, be arranged on the radiographic source assembly on described mounting bracket, with described radiographic source assembly be oppositely arranged for the fixing film bracket of film, be arranged on lifting assembly between described film bracket and described mounting bracket and for making the automatically reset assembly that automatically resets of described film bracket, described lifting assembly, for when weld seam to be measured is carried out to inservice inspection, makes described film bracket move until described film is adjacent to described weld seam to be measured to the direction near described pipeline, after the described assembly that automatically resets finishes for inservice inspection, coordinate with described lifting assembly and make described film bracket away from described pipeline and automatically reset.
Described in each, roll wheel assembly comprises that respectively at least one is for being fixed on described roll wheel assembly securing member on described mounting bracket and for the rolling wheel support of roller is installed; The rotating direction of described roller is axial consistent with described mounting bracket, and described roll wheel assembly drives described mounting bracket moving axially along described pipeline.
Described in each roll wheel assembly also comprise be respectively set in the first elastic component on described securing member and be arranged on described mounting bracket and described rolling wheel support between pressing plate; One end of described the first elastic component is resisted against on described rolling wheel support; the other end of described the first elastic component is resisted against on described securing member; described in described fasteners compress, the first elastic component is resisted against on described pressing plate described rolling wheel support, and the inwall that makes to be arranged on the protection sleeve of described roller on described rolling wheel support and described containment machinery penetration piece compresses.
Described lifting assembly comprises rotary electric machine, the eccentric wheel being connected with described rotary electric machine, the Cam Follower adjacent with described eccentric wheel and the described film bracket being fixedly connected with described Cam Follower; The rotation axis eccentric setting that described eccentric wheel is connected with described rotary electric machine, described rotary electric machine drives described eccentric wheel to rotate, make described Cam Follower along the moving radially of described mounting bracket, make described film bracket near or away from the direction of described pipeline center hub, move.
Described lifting assembly also comprises the travel switch of closing for controlling described rotary electric machine being arranged on described film bracket; Described travel switch triggers when described film and described weld seam to be measured are adjacent to, and described rotary electric machine is closed, and described eccentric wheel stops operating and makes described film keep being adjacent to described weld seam to be measured.
The described assembly that automatically resets comprises the first reset cradle, the second reset cradle being fixedly connected with described mounting bracket that are fixedly connected with described film bracket, be arranged on linear bearing on described the first reset cradle, be plugged in the locating part in described linear bearing and be set in the second elastic component on described locating part, one end of described the second elastic component is resisted against on described linear bearing, and the other end of described the second elastic component is resisted against on the positive stop lug boss of described locating part end; Described film bracket drives described the first reset cradle and described linear bearing to move to compress described the second elastic component along described locating part, makes described film and described weld seam to be measured be adjacent to carry out inservice inspection; After described the second elastic component finishes for inservice inspection, under the effect of elastic-restoring force, promote described linear bearing and described the first reset cradle along the oppositely mobile reset of described locating part, make described film bracket move reset to the direction away from described pipeline.
On the inwall of described mounting bracket, be provided with a plurality of holders, described in each, one end of holder is fixedly connected with described mounting bracket, and described in each, the other end of holder forms fixedly otic placode along the bent radial of described mounting bracket; On described fixedly otic placode, be provided with for determining the keeper of position while welding to be measured, the length that described keeper stretches out described mounting bracket along the bearing of trend of described pipeline is adjustable.
Nuclear power plant containment shell machinery penetration piece provided by the present invention has the following advantages: the outside surface of connecting portion is connected and its length L >=15mm with the outer surface smoother of pipeline, guarantees that the film in weld seam inservice inspection device can be adjacent to face of weld to be measured; The internal diameter of protection sleeve is extended to anchoring sleeve and is approached, make to keep enough distances between protection sleeve and pipeline, to guarantee that weld seam inservice inspection device can pass in and out smoothly; Between protection sleeve and anchoring sleeve, be provided with a plurality ofly for supporting the fixedly pad of protection sleeve, improved stability and the bearing capacity of protection sleeve.
Provided by the present invention for checking that weld seam inservice inspection method and the device of weld seam to be measured between nuclear power plant containment shell machinery penetration piece interior conduit and end socket has the following advantages:
(1) a plurality of keepers for definite position while welding to be measured are set on mounting bracket, and it is adjustable that keeper stretches out the length of mounting bracket, can guarantee that weld seam inservice inspection device can accurately be delivered to the position at weld seam to be measured place, can also check the different containment machinery penetration piece of size, the practicality and the adaptability that have strengthened this device, expanded usable range.
(2) roll wheel assembly of Compressible can produce larger tangential friction force, can effectively avoid centre-of gravity shift after this device along the circumferential slippage of pipeline, thereby reduce other structures for balance center of gravity or assembly, simplify the structure of this device; In addition; roll wheel assembly in being mounted to containment machinery penetration piece after; the inwall of roller compression protection sleeve; make the weight of whole weld seam inservice inspection device only be applied on protection sleeve; can not cause additional load to pipeline; the devices such as any support be need on pipeline, not add, the designing requirement of pipeline and the load bearing requirements of containment met completely yet.
(3) film is being adjacent in the process of weld seam, it is mobile that travel switch stops lifting assembly by control module in time when film and weld seam to be measured are adjacent to, and can effectively avoid lifting assembly excessive and bring potential safety hazard to pipeline applied pressure.
(4) setting of lifting assembly and the assembly that automatically resets, make under the elastic reaction of second elastic component of film bracket in the assembly that automatically resets, utilize eccentric rotation to realize the lifting of film bracket, complete film near and hold out against weld seam to be measured and straight line and reset, realize the robotization of whole inservice inspection and controlled, there is automaticity high, stable, reliably and advantages of simple structure and simple.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of nuclear power plant containment shell machinery penetration piece in prior art;
Fig. 2 is the process flow diagram of nuclear power plant containment shell machinery penetration piece weld seam inservice inspection method in the present invention;
Fig. 3 is the structural representation of nuclear power plant containment shell machinery penetration piece one preferred embodiment in the present invention;
Fig. 4 is the cut-open view of K-K direction in Fig. 3;
Fig. 5 be in Fig. 3 along F to structural representation;
Fig. 6 is the partial sectional view of G-G direction in Fig. 5;
Fig. 7 is the three-dimensional structure diagram of weld seam inservice inspection device one preferred embodiment in the present invention;
Fig. 8 is the front view of weld seam inservice inspection device in Fig. 7;
Fig. 9 is the upward view of the first mounting bracket in Fig. 7;
Figure 10 is the vertical view of weld seam inservice inspection device after removing the first mounting bracket in Fig. 7;
Figure 11 is the schematic diagram when weld seam inservice inspection device in Fig. 7 is arranged in the nuclear power plant containment shell machinery penetration piece in Fig. 2;
Figure 12 is the local enlarged diagram of A portion in Figure 11;
Figure 13 is the structural representation of lifting assembly one preferred embodiment;
Figure 14 is the local enlarged diagram of B portion in Figure 11;
Figure 15 is the vertical view of the second mounting bracket in Fig. 7.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with drawings and Examples, the present invention is described in further detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 2, the invention provides a kind of nuclear power plant containment shell machinery penetration piece weld seam inservice inspection method, in nuclear power plant containment shell machinery penetration piece for the inservice inspection of weld seam between the pipeline 1 of high energy media flow and end socket 4, specifically comprise the following steps:
S1. the protection sleeve 2 in containment machinery penetration piece to be measured is set between pipeline 1 and anchoring sleeve 3, and protection sleeve 2 is arranged near anchoring sleeve 3, make formation between protection sleeve 2 and pipeline 1 supply the spatial accommodation of weld seam inservice inspection device work;
S2. the weld seam inservice inspection device that radiographic source assembly and film are installed is arranged in described spatial accommodation, and weld seam inservice inspection device is pushed to the position at weld seam to be measured place;
S3. control the control module of weld seam inservice inspection device to start the lifting assembly 50 of weld seam inservice inspection device, make described film be adjacent to described weld seam to be measured;
S4. control radiographic source assembly and start irradiation, and after completing irradiation, again start lifting assembly 50, make film be reset to initial position, take out weld seam inservice inspection device to obtain check result.
If the once irradiating of weld seam inservice inspection device can only complete the inservice inspection to the regional area of weld seam to be measured, after step S4, also should comprise step S5:
S5. take out weld seam inservice inspection device to change film, the definite angle that rotates in a circumferential direction by weld seam inservice inspection device along pipeline 1, by step S2, postrotational weld seam inservice inspection device is arranged in containment machinery penetration piece, continues to complete the inspection to the not surveyed area of weld seam to be measured by step S3 and S4; Finally, repeating step S2, S3, S4 and S5 are until weld seam inservice inspection device completes the circumferential inspection to whole weld seam to be measured.
For guaranteeing that weld seam inservice inspection device can arrive the position at weld seam to be measured place fast and accurately, need on this weld seam inservice inspection device, increase location structure.
Consider and will meet the additional load that the designing requirement of pipeline 1 brings pipeline 1 to reduce weld seam inservice inspection device as far as possible, thereby the accident of avoiding, can not on pipeline 1, add any bracing or strutting arrangement, whole weld seam inservice inspection device movably need to be arranged on to protection sleeve 2 inner sides outside pipeline 1; Equally, excessive to pipeline 1 applied pressure in the process that film is adjacent to pipeline 1 for fear of lifting assembly, need in lifting assembly 50, set up travel switch, mobile lifting assembly 50 is stopped by control module in time when film and weld seam to be measured are adjacent to.
As shown in Figure 3, according to foregoing nuclear power plant containment shell machinery penetration piece inservice inspection method, the invention provides a kind of nuclear power plant containment shell machinery penetration piece, comprise for mobile pipeline 1, pre-buried anchoring sleeve 3 and the end socket 4 for being fixedly connected with respectively with pipeline 1 with anchoring sleeve 3 being fixed in containment of radiomaterial, and anchoring sleeve 3 is set in pipeline 1 outside.
End socket 4 is roughly hollow disc shape structure, in it, offer connect with pipeline 1 be communicated with through hole 7, it is identical with the internal diameter size of pipeline 1 that this is communicated with internal diameter of through hole 7.One end end face of pipeline 1 is fixedly connected with end socket 4, and the internal face of pipeline 1 and the internal face smooth connection that is communicated with through hole 7; One end end face of anchoring sleeve 3 is also fixedly connected with end socket 4, and the outside wall surface smooth connection of the outside wall surface of anchoring sleeve 3 and end socket 4.
In the present embodiment, adopt the mode of welding to realize and be connected and fixed between end socket 4 and pipeline 1, the position that end socket 4 is connected with pipeline 1 stretches out and forms and the equal connecting portion 5 of identical tubulose of the internal diameter of pipeline 1 and external diameter.Because its external diameter is identical with pipeline 1, the outside surface of connecting portion 5 is connected with the outer surface smoother of pipeline 1, can guarantee that like this film (not shown) in weld seam inservice inspection device can be adjacent to face of weld to be measured, improves the accuracy of inservice inspection.
In addition, connecting portion 5 is seen as the straight section that a length is L from the cut-open view of Fig. 3, for avoiding making the film in weld seam inservice inspection device cannot be adjacent to weld seam to be measured because L is shorter, L >=15mm in the present invention moves for weld seam inservice inspection device to reserve sufficient space, while further guaranteeing inservice inspection, can make film be adjacent to as much as possible face of weld to be measured, preferably, L >=30mm.
Nuclear power plant containment shell machinery penetration piece also comprises the protection sleeve 2 for preventing that the interior radiomaterial of pipeline 1 from leaking; protection sleeve 2 is roughly the tubular structure being set between pipeline 1 and anchoring sleeve 3; and protection sleeve 2 arranges near anchoring sleeve 3, make the spatial accommodation that between protection sleeve 2 and pipeline 1, formation is passed through and worked for weld seam inservice inspection device.In the present invention, the internal diameter of protection sleeve 2 is extended to the internal diameter of anchoring sleeve 3 and is approached, make to keep enough distances between protection sleeve 2 and pipeline 1, to guarantee that weld seam inservice inspection device can pass in and out smoothly.
As shown in Figure 4, nuclear power plant containment shell machinery penetration piece is also provided with a plurality of for supporting the fixedly pad 6 of protection sleeve 2 between protection sleeve 2 and anchoring sleeve 3, and pad 6 is along the circumferential setting of protection sleeve 2.Each pad 6 card is established and is fixed between protection sleeve 2 and anchoring sleeve 3.
In the present embodiment, be provided with four pads 6, and wherein two pads 6 are symmetricly set on the bottom of protection sleeve 2, angle is 90 °.Be understandable that, the number of pad 6 is not done concrete restriction at this, as long as can realize the stable support of protection sleeve 2 and fixing.Preferably, a plurality of pads 6 are symmetrical arranged to guarantee protection sleeve 2 stress equalizations.
As shown in Figure 5, the end face of protection sleeve 2 and anchoring sleeve 3 is fixedly connected with by six fixed blocks 8, and six fixed blocks 8 are symmetrical.
Preferably, be arranged in three fixed blocks 8 of the same side, the angle between adjacent two is 45 °, and the angle between two symmetrically arranged fixed blocks 8 of bottom is 90 °, and this distribution mode can make protection sleeve 2 uniform stresseds.
Preferably, each fixed block 8 is made by metal material, and protection sleeve 2 all adopts the mode being welded and fixed to be connected with each fixed block 8 respectively with anchoring sleeve 3.
Be understandable that, number and the distribution mode of fixed block 8 are not limited to the present invention, can be also that angle between four and adjacent two fixed blocks 8 is the various ways such as 90 °, at this, do not do concrete restriction.
Fig. 6 shows the partial sectional view of G-G direction in Fig. 5, can see that each fixed block 8 is welded and fixed with protection sleeve 2 and anchoring sleeve 3 respectively.
Be understandable that, the mode that protection sleeve 2 is connected with anchoring sleeve 3 by fixed block 8 is not limited to welding, can also be to be fixed, and can on fixed block 8, offer two grooves in order to engage with protection sleeve 2 and anchoring sleeve 3 respectively.
The dependency structure feature of the nuclear power plant containment shell machinery penetration piece according to foregoing nuclear power plant containment shell machinery penetration piece inservice inspection method and after improving, the present invention also provides a kind of weld seam inservice inspection device, for the pipeline 1 of confession high energy media flow and the weld seam between end socket 4 in foregoing nuclear power plant containment shell machinery penetration piece are carried out to inservice inspection.
As shown in Figure 7, this weld seam inservice inspection device specifically comprise mounting bracket 10 for being set in pipeline 1 outside, for mounting bracket 10 is delivered to the detected part of pipeline 1 a plurality of roll wheel assemblies 20, be arranged on radiographic source assembly (not shown) on mounting bracket 10, and the film bracket 40 for fixing film that is oppositely arranged of radiographic source assembly, be arranged on lifting assembly 50 between film bracket 40 and mounting bracket 10 and for making the automatically reset assembly 60 that automatically resets of film bracket 40; When weld seam to be measured is carried out to inservice inspection, lifting assembly 50 makes film bracket 40 move until film is adjacent to weld seam to be measured to the direction near pipeline 1; After inservice inspection finishes, the assembly 60 that automatically resets coordinates and makes film bracket 40 away from pipeline 1 and automatically reset with lifting assembly 50.
Mounting bracket 10 comprises semiorbicular the first mounting bracket 101 and the second mounting bracket 102, the two ends of the first mounting bracket 101 and the second mounting bracket 102 respectively outward form installation portion 103, offer the mounting hole (not shown) that at least one passes for web members such as bolts on each installation portion 103.In the present embodiment, on each installation portion 103, offer two mounting holes, by the installation portion 103 at the first mounting bracket 101 and the second mounting bracket 102 two ends against, bolt is connected and fixed the first mounting bracket 101 and the second mounting bracket 102 through mounting hole attaching nut, forms a complete annular mounting bracket 10.
On the inwall of mounting bracket 10, be provided with a plurality of holders 105, one end of each holder 105 is all fixedly connected with the internal face of mounting bracket 10, and its other end forms fixedly otic placode 106 along the bent radial of mounting bracket 10.Preferably, on the inwall of mounting bracket 10, being provided with three angles between the adjacent holder 105 of holder 105, two is 120 °.Each is fixedly provided with for determining the keeper 107 of position while welding to be measured on otic placode 106, and keeper 107 stretches out the adjustable in length of mounting bracket 10 along the bearing of trend of pipeline 1.
In the present embodiment, keeper 107 is bolt, fixedly on otic placode 106, offers at least one through hole and passes for keeper 107, and one end that keeper 107 stretches out mounting bracket 10 coordinates to regulate extension elongation with nut.
When carrying out weld seam inservice inspection, regulate length that keeper 107 stretches out mounting bracket 10 to guarantee that film just in time can cover weld seam to be measured completely when one end that keeper 107 stretches out mounting bracket 10 is resisted against on the end face of end socket 4.Because the size of end socket 4 in each secure mechanical penetration piece is known determined values, can know accordingly the distance between weld seam to be measured and end socket 4, therefore the extension elongation of keeper 107 can regulate in advance according to the distance between weld seam to be measured and end socket 4, can guarantee that like this weld seam inservice inspection device can accurately be delivered to the position at weld seam to be measured place.In addition, can strengthen practicality and the adaptability of this device by regulating the extension elongation of keeper 107 to check the different containment machinery penetration piece of size, expand usable range.
Therefore, before foregoing step S1, also should comprise step S0: according to the distance between weld seam to be measured and end socket 4, regulate the keeper 107 on weld seam inservice inspection device along the bearing of trend of pipeline 1, to stretch out the length of weld seam inservice inspection device, to guarantee that film can be adjacent to weld seam to be measured.
For avoiding weld seam inservice inspection device to bring additional load to pipeline 1, the weld seam inservice inspection device in the present invention is that a plurality of roll wheel assemblies 20 by compressible adjusting compress on the inner peripheral surface that is arranged on protection sleeve 2.
Wherein, each roll wheel assembly 20 comprises that respectively at least one is for being fixed on this roll wheel assembly 20 securing member 201 on mounting bracket 10 and for the rolling wheel support 203 of roller 202 is installed; The rotating direction of roller 202 is axial consistent with mounting bracket 10, and roll wheel assembly 20 drives mounting bracket 10 moving axially along pipeline 1.On rolling wheel support 203, offer the through hole passing for securing member 201, the corresponding mounting hole 204 (referring to Fig. 9) matching that offers on mounting bracket 10, roller 202 place planes and mounting bracket 10 are radially, be the bearing of trend of pipeline 1, parallel to guarantee that roll wheel assembly 20 can only move along the bearing of trend of pipeline 1.Securing member 201 can be the web members such as bolt, screw.
Each roll wheel assembly 20 also comprise be respectively set in the first elastic component 205 (referring to Fig. 8) on securing member 201 and be arranged on mounting bracket 10 and rolling wheel support 203 between pressing plate 206.One end of the first elastic component 205 is against on rolling wheel support 203, and the other end is against on the nut of securing member 201.
During field joint inservice inspection device; the nut of loosening fasteners 201 ends, the earth pressure release of the first elastic component 205, roller 202 and rolling wheel support 203 can moving radially along mounting bracket 10; now, can easily weld seam inservice inspection device be placed between protection sleeve 2 and anchoring sleeve 3.Then; adjust weld seam inservice inspection device along the circumferential inspection angle of pipeline 1; tighten the nut of all securing members 201 ends; make securing member 201 compression the first elastic components 205; the first elastic component 205 compression is tightly resisted against on pressing plate 206 rolling wheel support 203, and makes to be arranged on the roller 202 at rolling wheel support 203 two ends and the inwall of protection sleeve 2 compresses.
Roller 202 compresses after the inwall of protection sleeves 2, can be along the larger friction force of the tangential generation of its rotating direction, to prevent that whole device is with respect to the circumferential slippage of pipeline 1, thereby guarantee that the film position circumferential with respect to pipeline 1 fix.Roller 202 does not affect weld seam inservice inspection device and moves along the bearing of trend of pipeline 1 after compressing, user can be pushed into this device position to be measured.
The roll wheel assembly 20 of this Compressible can produce larger tangential friction force, effectively avoid centre-of gravity shift after this device along the circumferential slippage of pipeline 1, therefore can reduce other structures for balance center of gravity or assembly, effectively simplify the structure of this device.
In addition; the external compressible roll wheel assembly 20 of external of roller 202 in being mounted to containment machinery penetration piece after; roller 202 compresses the inwall of protection sleeve 2; the weight of whole weld seam inservice inspection device is only applied on protection sleeve 2; can not cause additional load to pipeline 1; need on pipeline 1, not add the devices such as any support, meet the designing requirement of pipeline 1 and the load bearing requirements of containment completely yet.
Therefore, foregoing step S2 specifically can also be divided into following steps: S21. weld seam inservice inspection device is put into described spatial accommodation, and a plurality of roll wheel assemblies 20 by compressible adjusting in weld seam inservice inspection device compress weld seam inservice inspection device to be arranged on the inner peripheral surface of protection sleeve 2; S22. along the axial promotion weld seam inservice inspection device of pipeline 1, until keeper 107 is resisted against on the end face of end socket 4.
As shown in Figure 8; a plurality of roll wheel assemblies 20 are distributed in the circumferential of mounting bracket 10 symmetrically; the number of roll wheel assembly 20 is at least 3 groups, and concrete number is unrestricted at this, as long as meet, can prevent that weld seam inservice inspection device is along the circumferential slippage of inwall of protection sleeve 2.Preferably, this device has six roll wheel assemblies 20, and the angle between any two adjacent rollers assemblies 20 is 60 °.
Radiographic source assembly (not shown) is gamma-ray source.
Fig. 9 shows the upward view of the first mounting bracket 101, is provided with for the fixing radiographic source support 30 of radiographic source assembly, for installing and fixing radiographic source assembly on the internal face of the first mounting bracket 101.
Figure 10 is in conjunction with Fig. 8, and film bracket 40 is semi-circular schistose texture, and its shape size and film adapt, and its crooked radian and pipeline 1 are suitable; Film be fixed on the upper of film bracket 40 and with the upper surface laminating of film bracket 40, the concrete fixed form of film can be paste, card is established, screw or bolt fixing etc., in the present embodiment, preferably adopt fixedly film of bonding method.
Figure 11 shows schematic diagram when weld seam inservice inspection device is arranged in nuclear power plant containment shell machinery penetration piece, lifting assembly 50 makes it near pipeline 1 for jack-up film bracket 40, can select air bag compression, cylinder type lifting device to realize the lifting of film bracket 40, at this, not do concrete restriction.In the present embodiment, the preferred eccentric wheel type lifting assembly of this lifting assembly 50.Preferred, the angle b between two adjacent roll wheel assemblies 20 is 60 °.
In conjunction with Figure 12 and Figure 13, this lifting assembly 50 comprise rotary electric machine 501, the eccentric wheel 502 being connected with rotary electric machine 501, with the adjacent Cam Follower 503 of eccentric wheel 502 and be arranged on film bracket 40 for controlling the travel switch 504 of described rotary electric machine 501.The bottom of film bracket 40 is provided with the Cam Follower support 401 being fixedly connected with described Cam Follower 503, and Cam Follower 503 is bolted on Cam Follower support 401.Preferably, the remote-controlled control of rotary electric machine 501, eccentric wheel 502 is positioned at same plane with Cam Follower 503.
Travel switch 504 is fixed on film bracket 40, and its compressible end nipple is for film bracket 40 place planes, by the break-make of the incompatible control electric signal of the mechanical pine in contact, end.Rotary electric machine 501 is opened and is driven the eccentric wheel 502 of eccentric settings to rotate, and makes Cam Follower 503 along the moving radially of mounting bracket 10, and then drives film bracket 40 near pipeline 1.When film and weld seam to be measured are adjacent to, the end of travel switch 504 is compressed, sensor-triggered, and then control rotary electric machine 501 and eccentric wheel 502 stops operating, make film keep being adjacent to until radiation exposure completes with weld seam to be measured.Irradiation completes and generally refers to reach default irradiation time or indicator is set and point out etc.
When film and weld seam to be measured are adjacent to, trigger travel switch 504, control lifting assembly 50 and stop mobilely, make film keep keeping with weld seam to be measured the state being adjacent to, meanwhile, avoid film bracket 40 to continue compress pipelines 1 and bring potential safety hazard.
Figure 14 is in conjunction with shown in Figure 11, the assembly 60 that automatically resets comprises the first reset cradle 601 being fixedly connected with film bracket 40, the second reset cradle 602 being fixedly connected with mounting bracket 10, be arranged on linear bearing 603 on the first reset cradle 601, be plugged in the locating part 604 in linear bearing 603 and be set in the second elastic component 605 on locating part 604, wherein, one end of the second elastic component 605 is resisted against on linear bearing 603, and the other end of the second elastic component 605 is resisted against on the positive stop lug boss of locating part 604 ends.
The adjacent end bending of the first reset cradle 601 and the second reset cradle 602 is L-shaped, on the bending part of the first reset cradle 601 ends, offer a plurality ofly for the through hole of linear bearing 603 is installed, locating part 604 is through being fixedly connected with the second reset cradle 602 after reducing the linear bearing 603 of mobile friction force.
In the present embodiment, this device comprises two groups of assemblies 60 that automatically reset that are symmetricly set on lifting assembly 50 both sides, guarantee that film bracket 40 is stressed evenly, and when carrying out inservice inspection, the second elastic component 605 of compression can elastic reaction on the first reset cradle 601, film also can be fitted tightly with weld seam to be measured away from the both sides of lifting assembly 50.Be understandable that, the group number of the assembly 60 that automatically resets and concrete installation site are not limited to the present invention.
As shown in figure 15, on the bending part of the second reset cradle 602, offer for locating part 604 through fixing through hole.
In the present embodiment, eccentric wheel 502 is circular, its rotation axis eccentric setting, under the elastic reaction of second elastic component 605 of film bracket 40 in the assembly 60 that automatically resets, utilize the rotation of eccentric wheel 502 to realize the lifting of film bracket 40, complete film near and hold out against weld seam to be measured and with the separated reset of weld seam to be measured.
When carrying out inservice inspection, lifting assembly 50 drives film bracket 40 near pipeline 1, film bracket 40 drives the first reset cradle 601 traveling priorities that are fixedly connected with it, thereby drives the linear bearing 603 being fixed on the first reset cradle 601 to move to compress the second elastic component 605 along locating part 604.
After inservice inspection finishes, telecontrolled rotating motor 501 resets, rotary electric machine 501 rotates to drive the eccentric wheel 502 in lifting assembly 50 to be rotated further, between eccentric wheel 502 and Cam Follower 503, produce gap, the second elastic component 605 promotes linear bearing 603 and oppositely moves along locating part 604 under the effect of self elastic restoring force, and then the first reset cradle 601 that makes to be fixedly connected with linear bearing 603 drives film bracket 40 reverse linear to move reset, along moving radially until replys the state that Cam Follower 503 and eccentric wheel 502 connect away from pipeline 1.
Preferably, the second elastic component 605 remains at compressive state to guarantee that film bracket 40 is resetted in time.
In sum, install and use this device to carry out inservice inspection to nuclear power plant containment shell machinery penetration piece specifically can be divided into following step:
S00. the assembling of weld seam inservice inspection device and adjusting: radiographic source assembly is fixed on the radiographic source support 30 on mounting bracket 10, film is pasted and fixed on the film bracket 40 being oppositely arranged with radiographic source assembly; Regulate length that keeper 107 stretches out mounting bracket 10 to guarantee that film just in time can cover weld seam to be measured completely when one end that keeper 107 stretches out mounting bracket 10 is resisted against on the end face of end socket 4.
S10. field joint inservice inspection device: unclamp the nut of securing member 201 ends in rolling assembly 20, weld seam inservice inspection device is placed in the spatial accommodation between protection sleeve 2 and pipeline 1, make mounting bracket 10 be set in pipeline 1 outside; Respectively the securing member 201 in each roll wheel assembly 20 is tightened with wedging ring and is located at the first elastic component 205 on securing member 201; make roller 202 in a plurality of roll wheel assemblies 20 compress respectively the inwall of protection sleeve 2; now, the weight of weld seam inservice inspection device is all applied on protection sleeve 2.
S20. weld seam inservice inspection device is delivered to the position at weld seam to be measured place: the bearing of trend along pipeline 1 pushes weld seam inservice inspection device, until keeper 107 is resisted against on the end face of end socket 4.
S30. described weld seam to be measured is carried out to inservice inspection:
S31. telecontrolled rotating motor 501 is opened, lifting assembly 50 make film bracket 40 along mounting bracket 10 radially near pipeline 1, when film and weld seam to be measured are adjacent to, travel switch 504 triggers rotary electric machine 501 is closed, film keeps and weld seam to be measured is adjacent to;
S32. remote control is opened radiographic source assembly until irradiated;
S33. telecontrolled rotating motor 501 resets, and rotary electric machine 501 rotates to be with movable eccentric wheel 502 to reset, and film bracket 40 is mobile reset under the effect of the assembly 60 that automatically resets.
S40. along circumferentially adjusting weld seam inservice inspection device: the bearing of trend along pipeline 1 takes out weld seam inservice inspection device, take off the film that completes irradiation, new film is installed, the weld seam inservice inspection device of taking-up is again arranged in nuclear power plant containment shell machinery penetration piece by step S10 after the definite angle that rotates in a circumferential direction of pipeline 1.
Due to weld seam to be measured in the form of a ring; each irradiation can only check a part for weld seam to be measured; and rolling assembly 20 can not be along the circumferential rotation of protection sleeve 2; can only move along the bearing of trend of protection sleeve 2; therefore after wanting whole weld seam inspection to be measured this device can only be taken out, repeat again S10, S20, S30 and S40 until weld seam inservice inspection device circumferentially completes the inspection to whole weld seam to be measured along pipeline 1 after angle is determined in the outside rotation one of containment machinery penetration piece.
In the present embodiment, the radian of film bracket 40 is slightly larger than 120 °, therefore the radian of film fixed thereon is also slightly larger than 120 °, once irradiating can complete the inspection to 120 ° of weld seams to be measured, completes the inspection of whole radian to be measured is at least needed to irradiate for three times.
To sum up, nuclear power plant containment shell machinery penetration piece provided by the present invention has the following advantages: the outside surface of connecting portion 5 is connected and its length L >=15mm with the outer surface smoother of pipeline 1, guarantees that the film in weld seam inservice inspection device can be adjacent to face of weld to be measured; The internal diameter of protection sleeve 2 is extended to anchoring sleeve 3 and is approached, make to keep enough distances between protection sleeve 2 and pipeline 1, to guarantee that weld seam inservice inspection device can pass in and out smoothly; Between protection sleeve 2 and anchoring sleeve 3, be provided with a plurality ofly for supporting the fixedly pad 6 of protection sleeve 2, improved stability and the bearing capacity of protection sleeve 2.
Provided by the present invention for checking that the weld seam inservice inspection device and method of weld seam to be measured between containment machinery penetration piece interior conduit 1 and end socket 4 has the following advantages:
(1) on mounting bracket 10, arrange a plurality of adjustable for determining the keepers 107 of position while welding to be measured and the length that keeper 107 stretches out mounting bracket 10, can guarantee that weld seam inservice inspection device can accurately be delivered to the position at weld seam to be measured place, can also check the different containment machinery penetration piece of size, the practicality and the adaptability that have strengthened this device, expanded usable range.
(2) roll wheel assembly 20 of Compressible can produce larger tangential friction force, can effectively avoid centre-of gravity shift after this device along the circumferential slippage of pipeline 1, thereby reduce other structures for balance center of gravity or assembly, simplify the structure of this device; In addition; roll wheel assembly 20 in being mounted to containment machinery penetration piece after; roller 202 compresses the inwall of protection sleeve 2; the weight of whole weld seam inservice inspection device is only applied on protection sleeve 2; can not cause additional load to pipeline 1; need on pipeline 1, not add the devices such as any support, meet the designing requirement of pipeline 1 and the load bearing requirements of containment completely yet.
(3) film is being adjacent in the process of weld seam, it is mobile that travel switch stops lifting assembly by control module in time when film and weld seam to be measured are adjacent to, and can effectively avoid lifting assembly excessive and bring potential safety hazard to pipeline applied pressure.
(4) setting of lifting assembly 50 and the assembly 60 that automatically resets, make under the elastic reaction of second elastic component 605 of film bracket 40 in the assembly 60 that automatically resets, utilize the rotation of eccentric wheel 502 to realize the lifting of film bracket 40, complete film near and hold out against weld seam to be measured and straight line and reset, realize the robotization of whole inservice inspection and controlled, there is automaticity high, stable, reliably and advantages of simple structure and simple.
By reference to the accompanying drawings embodiments of the invention are described; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not departing from the scope situation that aim of the present invention and claim protect, also can make a lot of forms, within these all belong to protection of the present invention.
Claims (13)
1. a nuclear power plant containment shell machinery penetration piece weld seam inservice inspection method, in nuclear power plant containment shell machinery penetration piece for the inservice inspection of weld seam between the pipeline (1) of high energy media flow and end socket (4), it is characterized in that, comprise the following steps:
S1. the protection sleeve (2) in containment machinery penetration piece to be measured is set between the anchoring sleeve (3) in described pipeline (1) and described containment machinery penetration piece to be measured, and described protection sleeve (2) is arranged near described anchoring sleeve (3), make formation between described protection sleeve (2) and described pipeline (1) supply the spatial accommodation of weld seam inservice inspection device work;
S2. the described weld seam inservice inspection device with radiographic source assembly and film is arranged in described spatial accommodation, and described weld seam inservice inspection device is pushed to the position at described weld seam to be measured place;
S3. control the control module of described weld seam inservice inspection device to start the lifting assembly (50) of described weld seam inservice inspection device, make described film be adjacent to described weld seam to be measured;
S4. control described radiographic source assembly and start irradiation, and after completing irradiation, again start described lifting assembly (50), make described film be reset to the position away from described weld seam to be measured, take out described weld seam inservice inspection device to obtain check result.
2. nuclear power plant containment shell according to claim 1 machinery penetration piece weld seam inservice inspection method, it is characterized in that, before described step S1, also comprise step S0: according to the distance between described weld seam to be measured and described end socket (4), regulate the keeper (107) on described weld seam inservice inspection device along the bearing of trend of described pipeline (1), to stretch out the length of described weld seam inservice inspection device, to guarantee that described film is over against described weld seam to be measured.
3. nuclear power plant containment shell machinery penetration piece weld seam inservice inspection method according to claim 2, is characterized in that, described step S2 comprises:
S21. a plurality of roll wheel assemblies (20) by compressible adjusting in described weld seam inservice inspection device compress described weld seam inservice inspection device to be arranged on the inner peripheral surface of described protection sleeve (2);
S22. along the described weld seam inservice inspection of the axial promotion device of described pipeline (1), until described keeper (107) is resisted against on the end face of described end socket (4), make described film over against described weld seam to be measured.
4. nuclear power plant containment shell according to claim 2 machinery penetration piece weld seam inservice inspection method, it is characterized in that, described step S3 also comprises: described film and described weld seam to be measured trigger the travel switch (504) in described lifting assembly (50) while being adjacent to, and controls described lifting assembly (50) and stops moving and make described film keep being adjacent to described weld seam to be measured.
5. nuclear power plant containment shell according to claim 2 machinery penetration piece weld seam inservice inspection method, it is characterized in that, if the once irradiating of described weld seam inservice inspection device can only complete the toposcopy to weld seam to be measured, after described step S4, also comprise step S5: take out described weld seam inservice inspection device to change film, the definite angle that rotates in a circumferential direction by described weld seam inservice inspection device along described pipeline (1), by described step S2, the described weld seam inservice inspection device of rotation gained is arranged in described containment machinery penetration piece, by described step S3 and S4, complete the inservice inspection to the not surveyed area of described weld seam to be measured, repeating said steps S2, S3, S4 and S5 are until described weld seam inservice inspection device completes the circumferential inspection to whole described weld seam to be measured.
6. nuclear power plant containment shell machinery penetration piece, it is characterized in that, comprise pipeline (1) for high energy media flow, be embedded in anchoring sleeve (3) and the end socket (4) for being fixedly connected with respectively with described pipeline (1) with described anchoring sleeve (3) in containment, described anchoring sleeve (3) is set in described pipeline (1) outside;
Described nuclear power plant containment shell machinery penetration piece also comprises for preventing that the interior medium injection of described pipeline (1) from arriving the protection sleeve (2) on described anchoring sleeve (3), described protection sleeve (2) is set between described pipeline (1) and described anchoring sleeve (3), and described protection sleeve (2) arranges near described anchoring sleeve (3), make formation between described protection sleeve (2) and described pipeline (1) supply the spatial accommodation of weld seam inservice inspection device work;
Between described end socket (4) and described pipeline (1), adopt and be welded and fixed, the position that described end socket (4) is connected with described pipeline (1) stretches out and forms the connecting portion (5) identical with the external diameter of described pipeline (1), the length of described connecting portion (5) is L, and L >=15mm can be adjacent to face of weld to be measured to guarantee the film on described weld seam inservice inspection device.
7. a weld seam inservice inspection device, it is characterized in that, for the pipeline (1) in nuclear power plant containment shell machinery penetration piece claimed in claim 6 and the weld seam between end socket (4), carry out inservice inspection, described weld seam inservice inspection device comprises the mounting bracket (10) that is set in described pipeline (1) outside, for described mounting bracket (10) being delivered to a plurality of roll wheel assemblies (20) of the detected part of described pipeline (1), be arranged on the radiographic source assembly on described mounting bracket (10), with described radiographic source assembly be oppositely arranged for the fixing film bracket (40) of film, be arranged on lifting assembly (50) between described film bracket (40) and described mounting bracket (10) and for making the automatically reset assembly that automatically resets of described film bracket (40) (60),
Described lifting assembly (50), for when weld seam to be measured is carried out to inservice inspection, makes described film bracket (40) move until described film is adjacent to described weld seam to be measured to the direction near described pipeline (1); After the described assembly that automatically resets (60) finishes for inservice inspection, coordinate and make described film bracket (40) away from described pipeline (1) and automatically reset with described lifting assembly (50).
8. weld seam inservice inspection device according to claim 7, it is characterized in that, roll wheel assembly described in each (20) comprises that respectively at least one is for being fixed on described roll wheel assembly (20) securing member (201) on described mounting bracket (10) and for the rolling wheel support (203) of roller (202) is installed; The rotating direction of described roller (202) is axial consistent with described mounting bracket (10), and described roll wheel assembly (20) drives described mounting bracket (10) moving axially along described pipeline (1).
9. weld seam inservice inspection device according to claim 8, it is characterized in that, roll wheel assembly described in each (20) also comprise respectively the first elastic component (205) being set on described securing member (201) and be arranged on described mounting bracket (10) and described rolling wheel support (203) between pressing plate (206);
One end of described the first elastic component (205) is resisted against on described rolling wheel support (203); the other end of described the first elastic component (205) is resisted against on described securing member (201); described securing member (201) compresses described the first elastic component (205) makes described rolling wheel support (203) be resisted against described pressing plate (206) above, and the described roller (202) that makes to be arranged on described rolling wheel support (203) compresses with the inwall of the protection sleeve (2) of described containment machinery penetration piece.
10. weld seam inservice inspection device according to claim 7, it is characterized in that, described lifting assembly (50) comprises rotary electric machine (501), the eccentric wheel (502) being connected with described rotary electric machine (501), the Cam Follower (503) adjacent with described eccentric wheel (502) and the described film bracket (40) being fixedly connected with described Cam Follower (503);
The rotation axis eccentric setting that described eccentric wheel (502) is connected with described rotary electric machine (501), described rotary electric machine (501) drives described eccentric wheel (502) to rotate, make described Cam Follower (503) along the moving radially of described mounting bracket (10), make described film bracket (40) near or away from the direction of described pipeline (1) center hub, move.
11. weld seam inservice inspection devices according to claim 10, it is characterized in that, described lifting assembly (50) also comprises the travel switch (504) of closing for controlling described rotary electric machine (501) being arranged on described film bracket (40);
Described travel switch (504) triggers when described film and described weld seam to be measured are adjacent to, and described rotary electric machine (501) is closed, and described eccentric wheel (502) stops operating and makes described film keep being adjacent to described weld seam to be measured.
12. weld seam inservice inspection devices according to claim 7, it is characterized in that, the described assembly that automatically resets (60) comprises the first reset cradle (601) being fixedly connected with described film bracket (40), the second reset cradle (602) being fixedly connected with described mounting bracket (10), be arranged on the linear bearing (603) on described the first reset cradle (601), be plugged in the locating part (604) in described linear bearing (603) and be set in the second elastic component (605) on described locating part (604), one end of described the second elastic component (605) is resisted against on described linear bearing (603), the other end of described the second elastic component (605) is resisted against on the positive stop lug boss of described locating part (604) end,
Described film bracket (40) drives described the first reset cradle (601) and described linear bearing (603) to move to compress described the second elastic component (605) along described locating part (604), makes described film and described weld seam to be measured be adjacent to carry out inservice inspection; After described the second elastic component (605) finishes for inservice inspection, under the effect of elastic-restoring force, promote described linear bearing (603) and described the first reset cradle (601) along oppositely mobile reset of described locating part (604), make described film bracket (40) move reset to the direction away from described pipeline (1).
13. weld seam inservice inspection devices according to claim 7, it is characterized in that, on the inwall of described mounting bracket (10), be provided with a plurality of holders (105), one end of holder described in each (105) is fixedly connected with described mounting bracket (10), and the other end of holder described in each (105) forms fixedly otic placode (106) along the bent radial of described mounting bracket (10);
On described fixedly otic placode (106), be provided with for determining the keeper (107) of position while welding to be measured, the length that described keeper (107) stretches out described mounting bracket (10) along the bearing of trend of described pipeline (1) is adjustable.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106984892A (en) * | 2017-04-05 | 2017-07-28 | 中国核工业第五建设有限公司 | Main steam and feedwater penetration piece component mounting method in AP1000 nuclear power stations |
| CN108292535A (en) * | 2015-11-19 | 2018-07-17 | 原子能技术公司 | Receptacle electrical for nuclear reactor penetrates component |
| CN109545405A (en) * | 2018-10-29 | 2019-03-29 | 中国核工业二三建设有限公司 | A kind of tile film-taking in means for nuclear power CV container butt weld ray detection |
| CN111103135A (en) * | 2019-12-05 | 2020-05-05 | 福建福清核电有限公司 | Nuclear reactor hydrodynamic pressure type main pump mechanical seal reusability inspection method |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6061687A (en) * | 1983-09-14 | 1985-04-09 | 株式会社日立製作所 | Travelling track facility around pressure vessel for nuclear reactor and method of constructing said facility |
| WO1995027170A1 (en) * | 1994-04-05 | 1995-10-12 | Abb Tekniska Röntgencentralen Ab | Device and method of fixing a supporting ring to a pipe |
| CN1925062A (en) * | 2006-10-13 | 2007-03-07 | 核动力运行研究所 | Connector welding seam ray detection and location device for nuclear power station voltage regulator fluctuation pipe |
| CN1924562A (en) * | 2006-10-13 | 2007-03-07 | 核动力运行研究所 | Main pipe welding seam ray detection and positioning device for nuclear power station steam generator |
| CN101770823A (en) * | 2010-01-22 | 2010-07-07 | 中广核检测技术有限公司 | Welding line X-ray inspection device between lower seal head of voltage stabilizer and surge nozzle in nuclear power station |
| CN102436857A (en) * | 2011-10-25 | 2012-05-02 | 中广核检测技术有限公司 | Ray inspection device of voltage stabilizer of European pressurized water reactor (EPR) type nuclear power plant |
| CN102759537A (en) * | 2012-07-17 | 2012-10-31 | 中广核检测技术有限公司 | Radiographic testing method for welding beams under radioactive environment of nuclear power station |
| CN103558293A (en) * | 2013-10-30 | 2014-02-05 | 核动力运行研究所 | Ultrasonic detection device for circumferential weld of bottom head of reactor pressure vessel |
| CN103578587A (en) * | 2013-10-30 | 2014-02-12 | 核动力运行研究所 | Ultrasonic testing device for circumferential weld of cylinder of nuclear reactor pressure vessel |
-
2014
- 2014-07-17 CN CN201410342521.5A patent/CN104112484B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6061687A (en) * | 1983-09-14 | 1985-04-09 | 株式会社日立製作所 | Travelling track facility around pressure vessel for nuclear reactor and method of constructing said facility |
| WO1995027170A1 (en) * | 1994-04-05 | 1995-10-12 | Abb Tekniska Röntgencentralen Ab | Device and method of fixing a supporting ring to a pipe |
| CN1925062A (en) * | 2006-10-13 | 2007-03-07 | 核动力运行研究所 | Connector welding seam ray detection and location device for nuclear power station voltage regulator fluctuation pipe |
| CN1924562A (en) * | 2006-10-13 | 2007-03-07 | 核动力运行研究所 | Main pipe welding seam ray detection and positioning device for nuclear power station steam generator |
| CN101770823A (en) * | 2010-01-22 | 2010-07-07 | 中广核检测技术有限公司 | Welding line X-ray inspection device between lower seal head of voltage stabilizer and surge nozzle in nuclear power station |
| CN102436857A (en) * | 2011-10-25 | 2012-05-02 | 中广核检测技术有限公司 | Ray inspection device of voltage stabilizer of European pressurized water reactor (EPR) type nuclear power plant |
| CN102759537A (en) * | 2012-07-17 | 2012-10-31 | 中广核检测技术有限公司 | Radiographic testing method for welding beams under radioactive environment of nuclear power station |
| CN103558293A (en) * | 2013-10-30 | 2014-02-05 | 核动力运行研究所 | Ultrasonic detection device for circumferential weld of bottom head of reactor pressure vessel |
| CN103578587A (en) * | 2013-10-30 | 2014-02-12 | 核动力运行研究所 | Ultrasonic testing device for circumferential weld of cylinder of nuclear reactor pressure vessel |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108292535A (en) * | 2015-11-19 | 2018-07-17 | 原子能技术公司 | Receptacle electrical for nuclear reactor penetrates component |
| CN108292535B (en) * | 2015-11-19 | 2021-12-31 | 原子能技术公司 | Vessel electrical penetration assembly for nuclear reactor |
| CN106984892A (en) * | 2017-04-05 | 2017-07-28 | 中国核工业第五建设有限公司 | Main steam and feedwater penetration piece component mounting method in AP1000 nuclear power stations |
| CN106984892B (en) * | 2017-04-05 | 2019-04-19 | 中国核工业第五建设有限公司 | Main steam and water supply penetration piece component mounting method in AP1000 nuclear power station |
| CN109545405A (en) * | 2018-10-29 | 2019-03-29 | 中国核工业二三建设有限公司 | A kind of tile film-taking in means for nuclear power CV container butt weld ray detection |
| CN113748334A (en) * | 2019-04-19 | 2021-12-03 | 法玛通公司 | Inspection device for inspecting welds of hollow longitudinal tubular elements |
| CN111103135A (en) * | 2019-12-05 | 2020-05-05 | 福建福清核电有限公司 | Nuclear reactor hydrodynamic pressure type main pump mechanical seal reusability inspection method |
| CN117686520A (en) * | 2023-12-14 | 2024-03-12 | 上海砾烽智能科技有限公司 | Nuclear power station coolant pump detection device |
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