PROBLEM TO BE SOLVED: To provide underfloor double skin structures, vehicle underfloor structures and vehicles which can be easily aligned with other double skin structures when joining to other structures and increase the underfloor strength of vehicles with simple structures.SOLUTION: An underfloor double skin structure comprises: a first upper plate 35 which has a pair of first thin parts 41A, 41B arranged at both lateral ends and a first thick part 43 arranged inside the pair of first thin parts 41A, 41B; a first lower plate 36 which is arranged at an interval below the first upper plate 35 and has a pair of second thin parts 45A, 45B arranged at both lateral ends and a second thick part 47 arranged inside the pair of second thin parts 45A, 45B; a first rib group 38 which forms an integrated structure with the first upper plate 35 and the first lower plate 36 and connects the first upper plate 35 and the first lower plate 36; and a reinforcement body 40 constituted of the first thick part 43, the second thick part 47 and a pair of thick ribs 55A, 55B.SELECTED DRAWING: Figure 4

    【課題】本発明は、他のダブルスキン構造体と接合させる際の位置合わせを容易に行うことが可能で、かつ簡便な構造で車両床下の強度を向上可能な床下用ダブルスキン構造体、車両床下構造体、及び車両を提供することを目的とする。【解決手段】両端部に配置された一対の第1薄肉部41A,41B、及び一対の第1薄肉部41A,41Bの内側に配置された第1厚肉部43を含む第1上板35と、第1上板35の下方に間隔を空けて配置され、両端部に配置された一対の第2薄肉部45A,45Bと、一対の第2薄肉部45A,45Bの内側に配置された第2厚肉部47を含む第1下板36と、第1上板35及び第1下板36と一体構造をなしており、かつ第1上板35と第1下板36とを接続する第1リブ群38と、第1厚肉部43、第2厚肉部47、及び一対の厚肉リブ55A,55Bで構成された補強体40を有する。【選択図】図4


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    Title :

    UNDERFLOOR DOUBLE SKIN STRUCTURE, VEHICLE UNDERFLOOR STRUCTURE AND VEHICLE


    Additional title:

    床下用ダブルスキン構造体、車両床下構造体、及び車両


    Contributors:

    Publication date :

    2018-11-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B61F Untergestelle für Schienenfahrzeuge, z.B. Fahrgestellrahmen, Drehgestelle oder Anordnungen der Radsätze , RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES / B61B RAILWAY SYSTEMS , Eisenbahnanlagen



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