The invention discloses a train floor section structure, a train body and a train, and relates to the technical field of rail transit, the train floor section structure comprises a floor fault and a metamaterial sound insulation pad, the metamaterial sound insulation pad is arranged on the floor fault, and the metamaterial sound insulation pad is located in the floor fault; the floor fault is located at the bottom of the vehicle body, and the metamaterial sound insulation pad achieves the sound insulation effect of the bottom of the vehicle body on low and medium frequency noise through the anti-resonance sound insulation efficiency and/or the resonance shock absorption function. According to the train floor section structure, the metamaterial sound insulation pad with the anti-resonance sound insulation effect and the resonance shock absorption function is arranged in the train floor fault, the sound insulation effect of the bottom of a train body on low and medium frequency noise is effectively improved, and the problem of a traditional metal plate floor structure on low and medium frequency noise insulation is solved.
本申请公开了一种列车地板断面结构、车体及列车,涉及轨道交通技术领域,所述列车地板断面结构包括地板断层和超材料隔音垫,所述超材料隔音垫设于所述地板断层,所述超材料隔音垫位于所述地板断层内部;所述地板断层位于车体的底部位置,所述超材料隔音垫通过反共振隔音效能和/或共振消震功能,实现车体底部位置对中低频噪声的隔音效果。上述列车地板断面结构,通过在列车地板断层内部设置具有反共振隔音效能、共振消震功能的超材料隔音垫,有效提升了车体底部对中低频噪声的隔音效果,解决了传统金属板材地板结构在中低频噪声隔绝上的问题。
Train floor section structure, train body and train
一种列车地板断面结构、车体及列车
2024-12-03
Patent
Electronic Resource
Chinese
IPC: | B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES |
Train chassis structure, train body and rubber wheel train
European Patent Office | 2024
|