The invention discloses an LY2 subway air duct access hole structure design which comprises a bottom plate, a cover plate and a fast-assembly fastener, a rectangular groove is formed in the bottom plate, an edge folding flange is fixedly connected to the edge, corresponding to the periphery of the rectangular groove, in the bottom plate, a maintenance hole is formed in the edge folding flange, a cover plate is hinged to the position, located on one side wall of the edge folding flange, of the bottom plate through a hinge, a connecting plate is fixedly connected to the upper surface of the end, away from the hinge, of the cover plate, fast-assembly fasteners are fixedly connected to the connecting plate, and a fast-assembly fastening plate is fixedly connected to the position, corresponding to the connecting plate, of the edge folding flange. The fast-assembly fastening plate is provided with a fast-assembly fastening groove at the position corresponding to the fast-assemblyg fastening piece, and the upper and lower surfaces of the cover plate, the bottom plate and the folding flange are all bonded with sealing gaskets. According to the present invention, the air channel maintenance process is simplified, the maintenance cost is reduced, the deep cleaning maintenance is achieved, and the service life of the air channel is prolonged.

    本发明公开了LY2地铁风道检修口结构设计,包括底板、盖板和快装紧固件,所述底板上开设有矩形槽,所述底板内在位于对应矩形槽四周的边缘处固定连接有折边法兰,所述折边法兰上开设有维护口,所述底板上在位于折边法兰的一侧壁上通过铰链铰接有盖板,所述盖板上在远离铰链另一端的上表面固定连接有连接板,所述连接板上均固定连接有快装紧固件,所述折边法兰上在位于对应连接板的位置处固定连接有快装紧固板,所述快装紧固板上在位于对应快装紧固件的位置处均开设有快装紧固槽,所述盖板、底板和折边法兰的上下表面均粘接有密封垫,本发明具有简化了风道维护程序,降低维护成本,实现深度清理维护,从而延长风道使用寿命等优点。


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    Titel :

    LY2 subway air duct access holestructure design


    Weitere Titelangaben:

    LY2地铁风道检修口结构设计


    Beteiligte:
    MENG QINGYI (Autor:in) / CHEN YANMEI (Autor:in) / LI NING (Autor:in) / XIE YIBO (Autor:in) / HE YUZHONG (Autor:in) / CHENG YANXIA (Autor:in)

    Erscheinungsdatum :

    09.04.2021


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

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



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