The present invention relates to a folding system for a temporary lifting device for a steam generator, the folding system comprising: a pair of girders, which are spaced apart from each other and installed on a crane inside a reactor containment building; a lower structure, which is installed above the pair of girders, includes a pair of sill beams facing each other and a pair of tie struts facing each other, and is formed in a rectangular shape, the tie struts being hinged to the sill beams in a foldable manner; and an upper structure, which is installed above the lower structure, and to which a steam generator can be connected, wherein when the lower structure is formed in the rectangular shape, a width formed by the pair of sill beams and a width formed by the pair of tie struts are each larger than a separation width formed by the pair of girders.

    La présente invention concerne un système de pliage pour un dispositif de levage temporaire de générateur de vapeur, le système de pliage comprenant : une paire de poutres, qui sont espacées l'une de l'autre et installées sur une grue dans une enceinte de confinement de réacteur ; une structure inférieure, installée au-dessus de la paire de poutres, qui comprend une paire de barres de soutien en regard l'une de l'autre et une paire d'entretoises de liaison en regard l'une de l'autre, et prend une forme rectangulaire, les entretoises de liaison étant articulées sur les barres de soutien de manière pliable ; et une structure supérieure, installée au-dessus de la structure inférieure, à laquelle un générateur de vapeur peut être connecté. Lorsque la structure inférieure prend la forme rectangulaire, une largeur formée par la paire de barres de soutien et une largeur formée par la paire d'entretoises de liaison sont supérieures à une largeur de séparation formée par la paire de poutres.

    본 발명은 증기발생기 임시 인양설비를 위한 폴딩 시스템에 관한 것으로, 서로 이격되어 원자로격납건물 내부 크레인에 설치되는 한 쌍의 거더; 한 쌍의 상기 거더 상부에 설치되고, 대향하는 한 쌍의 씰빔과 대향하는 한 쌍의 타이 스트럿을 포함하면서 직사각형 형상으로 이루어지되, 상기 타이 스트럿은 상기 씰빔에 힌지 결합되면서 접히고 펴질 수 있는 하부 구조물; 상기 하부 구조물의 상부에 설치되며, 증기 발생기가 연결될 수 있는 상부 구조물;을 포함하며, 상기 하부 구조물이 직사각형으로 이루어질 때, 한 쌍의 상기 씰빔이 형성하는 폭 및 한 쌍의 상기 타이 스트럿이 형성하는 폭은 한 쌍의 상기 거더가 형성하는 이격 폭보다 넓게 형성되는 것을 특징으로 하는 것이다.


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    Title :

    FOLDING SYSTEM FOR TEMPORARY LIFTING DEVICE FOR STEAM GENERATOR


    Additional title:

    SYSTÈME DE PLIAGE POUR DISPOSITIF DE LEVAGE TEMPORAIRE DE GÉNÉRATEUR DE VAPEUR
    증기발생기 임시 인양설비를 위한 폴딩 시스템


    Contributors:

    Publication date :

    2020-09-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B66C Krane , CRANES / G21C NUCLEAR REACTORS , Kernreaktoren / F22B Verfahren der Dampferzeugung , METHODS OF STEAM GENERATION



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