To form a light-weight floor structure of a railway vehicle having sound insulating properties and fire resistance easily.SOLUTION: A floor structure of a railway vehicle includes: a lower plate placed on an underframe; an expansive refractory paint disposed on the lower plate; a punching metal disposed on the expansive refractory paint; a heat insulation material disposed on the punching metal; and a refractory panel supported on a supporting base on the lower plate and disposed above the heat insulation material. The floor structure of the railway vehicle serves as a restrictive vibration control plate with a structure comprising the expansive refractory paint on the lower plate and the punching metal at normal times and delays fire spread with a triple-layer structure of a carbonized refractory material, a refractory heat insulation material, and the heat insulation material at the time of fire.SELECTED DRAWING: Figure 2

    【課題】防音性と耐火性能を有する軽量な鉄道車両の床構造を簡便に形成する。【解決手段】台枠上に配置された下板と、前記下板上に配置された熱膨張性耐火塗料と、前記熱膨張性耐火塗料上に配置されたパンチングメタルと、前記パンチングメタル上に配置された断熱材と、前記下板上の支持台で支持され前記断熱材より上に配置された耐火パネルを有する鉄道車両の床構造は、通常時は下板熱膨張性耐火塗料、パンチングメタルの構成で拘束型制振板となり、火災時は炭化した熱耐火材、耐火断熱材、断熱材の三層構造で延焼を遅らせる。【選択図】図2


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    Titel :

    FLOOR STRUCTURE OF RAILWAY VEHICLE


    Weitere Titelangaben:

    鉄道車両の床構造


    Beteiligte:
    HIROZAWA MASARU (Autor:in) / TABUCHI SATORU (Autor:in) / MORITO OUMI (Autor:in) / NITTA SHINICHI (Autor:in) / SHIMIZU KOHEI (Autor:in)

    Erscheinungsdatum :

    06.12.2024


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES



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