CS258247B1 - Device for bolts checking by means of ultrasound and eddy currents - Google Patents
Device for bolts checking by means of ultrasound and eddy currents Download PDFInfo
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- CS258247B1 CS258247B1 CS868467A CS846786A CS258247B1 CS 258247 B1 CS258247 B1 CS 258247B1 CS 868467 A CS868467 A CS 868467A CS 846786 A CS846786 A CS 846786A CS 258247 B1 CS258247 B1 CS 258247B1
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- Czechoslovakia
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- guide
- probes
- arm
- ultrasonic
- ultrasound
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- 238000002604 ultrasonography Methods 0.000 title abstract description 7
- 239000000523 sample Substances 0.000 claims abstract description 22
- 238000007689 inspection Methods 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- GIYXAJPCNFJEHY-UHFFFAOYSA-N N-methyl-3-phenyl-3-[4-(trifluoromethyl)phenoxy]-1-propanamine hydrochloride (1:1) Chemical compound Cl.C=1C=CC=CC=1C(CCNC)OC1=CC=C(C(F)(F)F)C=C1 GIYXAJPCNFJEHY-UHFFFAOYSA-N 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 238000009941 weaving Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000001066 destructive effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
Zariadenie rieši otočné uchytenie kontro lovaného svorníka za súčasného priblíženia ultrazvukových a vírivoprúdových sond potřeb ných pre vykonanie defektoskopickej kontro ly. Podstata riešenia, ktoré tvoři zariadenie pozostávajúce z dvoch nosných dosiek, dvoch vodiacich tyčí, hnacieho lievika, príchytného kužela, z vodiacich ramien s ultrazvukovými a vírivoprúdovými sondami a zo systému napúš- ťania vazbového média spočívá v tom, že hnací lievik a príchytný kužel sú otočné, proti sebe uchytené na nosných doškách, ktoré sú zase posuvné uložené na vodiacich tyčiach. Na vodiacich tyčiach sú posuvné uchytené i dve vodiace ramená so sondami vířivých prúdov a dve ramená s dvoma sadami ultrazvukových sond. Na vodiacom ramene, slúžiacom pre sadu ultra zvukových sond, ktoré je uložené i na vodia ce j krutke, je uchytený koniec hadice začína- júcej v nádržke s vazbovým médiom a prechádza- júcej cez čerpadlo. Vodiaca skrutka i hnací lievik sú pevným prevodom spojené s dvomi elek- tromotormi. Riešenia najde použitie v energe- tike.equipment addresses swivel fit Kontro Lovan bolt for Contemporary zoom ultrasound and vírivoprúdových probes needs NYCHA for execution defectoscopy Kontro ly. nature solutions which ones forms equipment consisting from two supporting plates, two guide bars, driving funnel, tack cone, from guide shoulder with ultrasound and vírivoprúdovými probes and from system napúš- melting weaving the media is in how that driving funnel and attachment cone They are swivel, against himself mounted on the supporting Plates, which ones They are again sliding saved on the guide bars. On the guide bars They are sliding mounted and two Trailing shoulders with probes eddy streams and two shoulders with two sets ultrasound probes. On the guide shoulder serving for set ultra sound probes which ones is a saved and on the to err ce j Krutka. is a attached the end hose commencing júcej in container with a pendent media and prechádza- júcej through pump. guide screw and driving funnel They are firm transfer connected with two elec- tromotormi. solutions finds the use in energy- tike.
Description
Vynález sa týká zariadenia umožňujúceho mechanizáciu nedeštruktívnych kontrol svorníkov kolektora parogenerátora jadrovej elektrarni (dalej KP JE) ultrazvukovou a vírivoprúdovou metodou.The invention relates to a device enabling the mechanization of non-destructive inspections of the collectors of a steam generator steam generator (hereinafter KP NPP) by ultrasonic and eddy current methods.
Doposial nám nie je známe žiadne zariadenie, ktoré by slúžilo na dvojnásobná nedeštruktlvnu kontrolu svorníkov KP JE a to ultrazvukom a vířivými prúdmi. Mechanicky podobné zariadenie 'vyvinuly pracovníci fy. Tiede (NSR), ktoré slúži na kontrolu svorníkov iba metodou magnetickou. Doposial sa nedeštruktívne kontroly svorníkov KP JE vykonávajú ručně a to ultrazvukovou metodou. Nevýhoda starého spósobu je v časovej náročnosti ručného vykonávania ultrazvukovéj kontroly a v nemožnosti vykonania ručnej kontroly metodou vířivých prúdov.So far we do not know any device that would serve for double non-destructive inspection of KP NP bolts by ultrasound and eddy currents. Mechanically similar equipment was developed by workers of the company. Tiede (NSR), which serves to check bolts only by magnetic method. So far, non-destructive inspections of the KP NPP bolts have been performed manually using the ultrasonic method. The disadvantage of the old method is the time consuming of manual ultrasonic inspection and the impossibility of manual eddy current inspection.
Tieto nevýhody sú odstránené zariadenim na kontrolu svorníkov ultrazvukom a vířivými prúdmi pozostávajúceho z dvoch konzol, dvoch vodiacich tyčí s pružinami, dvoch nosných dosiek s poistnými skrutkami, hnacieho lievika a príchytného kužela, z dvoch závitových segmentov so sondami vířivých prúdov, z dvoch sád ultrazvukových sond umiestnených na vodiacom a vyklápacom ramene, z vodiacej skrutky, z nádržky s vazbovým médiom a čerpadlom a dvoch elektromotorov, ktorého podstata spočívá v tom, že vodiace tyče sú·posuvné uložené v konzolách odpružené pružinami, nosné došky sú posuvné uložené na vodiacich tyčiach, pričom jedna nosná doska je opatřená poistnými skrutkami, hnací lievik i príchytný kužel je otočné uložený na nosných doškách, pričom majú spoločnú os otáčania, Sálej sondy vířivých prúdov sú umiestnené v závitových segmentoch, ktoré sú uchytené o vodiace ramená opatřené závažím a posuvné uložené na jednej vodiacej tyči, Sálej jedna sada ultrazvukových sond je uchytená o vodiace rameno opatřené vodiacou maticou, pričom vodiace rameno je uložené na vodiacej tyči a vodiaca matica je uložená na vodiacej skrutke a druhá sada ultrazvukových sond je uchytená o vyklápacie rameno, súčasne otočné i posuvné uložená na druhej vodiacej tyči, pričom vyklápacie rameno'je odnimatelne spriahnuté příchytkou s vodiacim ramenom.These drawbacks are eliminated by an ultrasonic and eddy-current bolt inspection device consisting of two brackets, two spring guide rods, two retaining plates with locking screws, a drive funnel and a retaining cone, two threaded segments with eddy current probes, two sets of ultrasonic probes located on the guide and tilting arm, the guide screw, the reservoir with the binding medium and the pump and two electric motors, the principle being that the guide rods are displaceably mounted in brackets spring-loaded, the carrier that is slidingly mounted on the guide rods, one carrier plate is provided with retaining screws, the drive funnel and the retaining cone are rotatably mounted on the carrier that have a common axis of rotation. The eddy current probes are located in threaded segments which are attached to the guide arms provided with a weight and sliding one set of ultrasonic probes is mounted on a guide arm provided with a guide nut, the guide arm is mounted on a guide rod and the guide nut is mounted on a guide screw and the other set of ultrasonic probes is mounted on a tilting arm, simultaneously rotatable i slidingly mounted on the second guide rod, the pivoting arm being removably coupled to the guide arm clip.
Nádržka z vazbovým médiom je opatřená hadicou a čerpadlom pričom vypúštacia dýza hadice je umiestnená na vodiacom ramene, elektromotor otáčania vodiacej skrutky je pevným prevodom zviazaný s vodiacou skrutkou a elektromotor otáčania hnacieho lievika je pevným prevodom zviazaný s hnacím lievikom.The coupling medium reservoir is provided with a hose and a pump, wherein the hose discharge nozzle is located on the guide arm, the guide screw rotating motor is fixedly coupled to the guide screw and the drive funnel rotating electric motor is coupled to the drive funnel.
Výhoda vynálezu spočívá v tom, že zariadenie opísané vo vynáleze je mobilně a je ním možné prevadzať zisíovanie vád súčasne metodou ultrazvukovou i vírivoprúdovou, čo celú kontrolu urýchli.The advantage of the invention lies in the fact that the device described in the invention is mobile and it is possible to carry out the defect detection by both ultrasonic and eddy current methods, which will speed up the inspection.
Na pripojenom výkrese je nakreslené zariadenie na kontrolu svorníkov ultrazvukom a vířivými prúdmi.The attached drawing shows a device for checking the bolts by ultrasound and eddy currents.
Zariadenie na kontrolu svorníkov ultrazvukom a vířivými prúdmi je tvořené konzolami jl a 10 v ktorých sú posuvné uložené vodiace tyče 6. a jl, pričom sú z jednej strany odpružené pružinami 7_. Na vodiacich tyčiach 6 a 9 sú posuvné uložené nosné došky 2 a A· Nosná doska sa posúva pp vodiacich tyčiach 6 a 9 na obe strany a je možné ju o vodiace tyče £ a 9 fixovat poistnými skrutkami j>.The ultrasonic and eddy current inspection device for bolts is formed by brackets 11 and 10 in which the guide rods 6 and 11 are displaceably supported, being spring-loaded on one side by springs 7. The carrier plates 2 and A are displaceably mounted on the guide rods 6 and 9.
Nosná doska jl sa posúva po vodiacich tyčiach 6 a 9 na obe strany výstredníkom lj. o výšku jeho zdvihu. V nosnej doske j) je otočné uchytený hnací lievik 1^, širšou častou proti príchytnému kuželu 2, ktorý je otočné uchytený v nosnej doske j4, špicom proti hnaciemu lieviku K Hnací lievik j. i príchytný kužel 2 sú umiestnené na jednej osi. Ďalej je zariadenie tvořené dvoma sondami vířivých prúdov 16, ktoré sú umiestnené v závitových segmentoch 15, pevne uchytených o, vyklápacie ramená 12, posuvné uložených na vodiacej tyči 6 a opatřených závažím 29. Závitové segmenty 15 sú vyměnitelné tak, aby rozměr ich závitu bol totožný s rozmerom závitu kontrolovaného svorníka 28.The support plate 11 slides on guide bars 6 and 9 on both sides by the eccentric 11. its lift height. In the carrier plate (j), the drive funnel (1) is rotatably mounted, with a wider portion against the cone (2) which is rotatably mounted in the carrier plate (4), with the tip against the drive funnel (K). The retaining cone 2 are located on one axis. Furthermore, the device consists of two eddy current probes 16, which are located in threaded segments 15, fixedly fixed, tilting arms 12, slidably mounted on a guide rod 6 and provided with a weight 29. The threaded segments 15 are replaceable so that their thread size is identical with thread dimension of controlled bolt 28.
Ďalej je zariadenie tvořené dvomi sadami ultrazvukových sond 21 a 22, pričom jedna sada ultrazvukových sond 21 je uchytená o vodiace rameno 13 opatřené vodiacou maticou 14Further, the device is formed by two sets of ultrasonic probes 21 and 22, one set of ultrasonic probes 21 being attached to a guide arm 13 provided with a guide nut 14.
Vodiace rameno 13 je posuvné uložené na vodiacej tyči 19 a vodiaca matica 14 na vodiacej skrutke 18. Druhá sada ultrazvukových sond 22 je uchytená o vyklápacie rameno 17, ktoré je súčasne otočné i posuvné uložené na vodiacej tyči 9, pričom je odnímatelne spriahnuté příchytkou 30 s vodiacimim ramenom 13. Ďalej je zariadenie opatřené nádržkou 23, v ktorej je vSzbové médium 24 slúžiace na vazbu medzi ultrazvukovými sondami a materiálom kontrolovaného vorníka 28.The guide arm 13 is slidably mounted on the guide rod 19 and the guide nut 14 on the guide screw 18. The second set of ultrasonic probes 22 is attached to the tilting arm 17, which is simultaneously rotatable and slidably mounted on the guide rod 9, removably coupled by clip 30s In addition, the apparatus is provided with a reservoir 23 in which the binding medium 24 is used to bond between the ultrasonic probes and the controlled spindle material 28.
vodiace rameno 13 je uchytený koniec hadice 26 končiaci vypúštacou dýzou 25 slúžiacou k napúšťaniu vazbového média 24 z nádržky 23 na povrch kontrolovaného svorníka 28.the guide arm 13 is gripped by the end of the hose 26 terminating in the discharge nozzle 25 for impregnating the binding medium 24 from the reservoir 23 onto the surface of the controlled bolt 28.
Dopravu vazbového média 24 zabezpečuje čerpadlo 27, ktoré je umiestnené na hadici 26. Na konzole 81 sú umiestnené dva elektromotory a to elektromotor otáčania vodiacej skrutky 31, ktorý otáčaním vodiacej akrutky 18 zabezpečuje posuv vodiaceho ramena 13 a elektromor otáčačania hnacieho lievika 20, ktorý otáčaním hnacieho lievika _1 zabezpečuje otáčanie kontrolovaného svorníka 28.Transport of the binding medium 24 is provided by a pump 27, which is located on the hose 26. Two electric motors are placed on the bracket 81, namely a motor of rotation of the guide screw 31 which rotates the guide arm 18 and feeds the guide arm 13 and the motor of rotation. The funnel 1 rotates the controlled bolt 28.
Činnost zariadenia je nasledovná. Kontrolovaný svorník 28 sa upíná medzi hnaoí lievik 1 a príchytný kužel 2 tým spósobom, že sa nastaví a zafixuje poistnými skrutkami nosná doska 2 na vodiacich tyčiach 6 a 9 v takej vzdialenosti, aby pri posuve nosnéj došky 2 výstredníkom 11 došlo prostredníctvom kontrolovaného svorníka 28 k určitému posuvu vodiacich tyčí 2 a 9 oproti pružinám T_. Tým je kontrolovaný svorník 28 otočné uchytený. V dalšom nastavíme vodiace ramená 12 sond vířivých prúódov 16 k požadovanému miestu a zaklopíme ich na kontrolovaný svorník 28 tak, aby závitové segmenty 15 zapadli do závitu kontrolovaného svorníka 28. Potom otáčaním vodiacej skrutky 18 pomocou vodiaceho ramena 13 a vyklápacieho ramená 17 nastavíme sady ultrazvukových sond 21 a 22 k požadovanému miestu na drieku kontrolovaného svorníka 28. Tým je kontrolovaný svorník 28 připravený pre kontrolu ultrazvukom a vířivými prúdmi.The operation of the device is as follows. The controlled bolt 28 is clamped between the fertilizer funnel 1 and the retaining cone 2 in such a way that the support plate 2 is adjusted and locked by means of safety screws on the guide rods 6 and 9 at a distance such that a certain displacement of the guide bars 2 and 9 relative to the springs T. Thereby the controlled bolt 28 is rotatably attached. Next, set the guide arms 12 of the eddy-current probes 16 to the desired location and tilt them onto the controlled stud 28 so that the thread segments 15 engage the thread of the controlled stud 28. Then rotate the guide screw 18 with the guide arm 13 and the tilting arm 17 to set the ultrasonic probe sets. 21 and 22 to the desired location on the shank of the controlled bolt 28. Thus, the controlled bolt 28 is ready for ultrasonic and eddy current inspection.
Toto zariadenie slúži pre kontrolu svorníkov KP JE typu WER 440 o rozmeroch závitov od M 54x5 a maximálnej dlžke do 600 mm.This device is used to check KP WER 440 type bolts with thread sizes from M 54x5 and maximum length up to 600 mm.
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CS868467A CS258247B1 (en) | 1986-11-21 | 1986-11-21 | Device for bolts checking by means of ultrasound and eddy currents |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CS868467A CS258247B1 (en) | 1986-11-21 | 1986-11-21 | Device for bolts checking by means of ultrasound and eddy currents |
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Publication Number | Publication Date |
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CS846786A1 CS846786A1 (en) | 1987-11-12 |
CS258247B1 true CS258247B1 (en) | 1988-07-15 |
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CS868467A CS258247B1 (en) | 1986-11-21 | 1986-11-21 | Device for bolts checking by means of ultrasound and eddy currents |
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CS (1) | CS258247B1 (en) |
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1986
- 1986-11-21 CS CS868467A patent/CS258247B1/en unknown
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CS846786A1 (en) | 1987-11-12 |
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