Extension Shaft Assembly of Bottom-Mounted Control Rod Drive Mechanism
The present invention relates to an extension rod assembly of a bottom-mounted control rod driving apparatus including: an extension rod adaptor (10) combined with the lower side of the fuel rod for control; an extension rod (20) combined with the lower side of the extension rod adaptor (10) to be d...
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Format: | Patent |
Sprache: | eng ; kor |
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Zusammenfassung: | The present invention relates to an extension rod assembly of a bottom-mounted control rod driving apparatus including: an extension rod adaptor (10) combined with the lower side of the fuel rod for control; an extension rod (20) combined with the lower side of the extension rod adaptor (10) to be detachable; and a basket (30) which combines or separates the extension bar adaptor (10) and the extension rod (20). The present invention can increase the lifespan of the extension rod by including an upper part of the extension rod having a relatively short lifespan in comparison with a lower part of the extension rod, to be detachable from the lower part.
본 발명은 하부설치 제어봉 구동장치의 연장봉 조립체에 관한 것으로, 제어용 핵연료봉의 하단부에 결합된 연장봉 어댑터(10), 상기 연장봉 어댑터(10)의 하단부에 탈착가능하게 결합되는 연장봉(20), 및 상기 연장봉 어댑터(10)와 연장봉(20)을 결합 또는 분리 시키는 바스켓(30)을 포함하여, 연장봉 중 하부에 비해 상대적으로 수명이 짧은 상단부를 하부와 탈착가능하게 구비하여 연장봉의 수명을 늘릴 수 있게 된다. |
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