The invention discloses a ceiling in a bullet train carriage. The ceiling comprises a base plate; two groups of cross beams, which are mounted on the surface of the base plate in parallel at intervalsin an aligned manner; two groups of longitudinal beams, which are respectively connected to the two end parts of the two groups of cross beams; an outer plate; and a plurality of fixed reinforcing seats, which are mounted on the outer side surfaces of the two groups of cross beams and extend to be fixed on the surface of the base plate. The mass can be effectively reduced, the cost is reduced, the effective load can still be ensured, bending and deformation are not likely to happen, and the service life can be prolonged.

    本发明公开了一种动车车厢内顶棚,它包括:基板;两组横梁,两组所述横梁平行、间隔且对齐安装在所述基板的表面上;两组纵梁,两组所述纵梁分别连接在两组所述横梁的两端部;外板;多个固定加强座,多个所述固定加强座安装在两组所述横梁的外侧面上且延伸至固定在所述基板的表面上。能够有效减轻其质量而降低成本,仍能保证其有效载荷且不易弯曲、变形,有利于提高使用寿命。


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    Title :

    Ceiling in bullet train carriage


    Additional title:

    一种动车车厢内顶棚


    Contributors:
    YUAN JIAFU (author) / ZUO SIZHI (author)

    Publication date :

    2021-04-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

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



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