The invention belongs to the field of rail transit vehicle equipment floor structures, and discloses a floor supporting structure which comprises a top face attached to a floor and a supporting seat body installed between floor underframes. Each floor underframe comprises a mounting bottom plate and two clamping parts which are symmetrically arranged and protrude out of the mounting bottom plate; the bottom surface of the supporting seat body is provided with a vacant part which is inwards concave towards the top surface; the side face of the supporting seat body is a guide part which abuts against the inner wall of the clamping part and protrudes towards one side of the clamping part. During installation, a clearance part is formed between the side face of the supporting seat body and the clamping part. On one hand, vertical rigidity can be adjusted, on the other hand, rubber free surfaces are increased, and fatigue life is prolonged. The structure of the supporting seat is reasonably configured, and the vacant part is arranged on the bottom surface of the seat body of the supporting seat, so that the overall weight of the floor supporting assembly can be reduced, the vertical rigidity can be adjusted, the rubber free surface can be increased, and the fatigue life can be prolonged.

    本发明属于轨道交通车辆设备地板结构领域,公开了地板支撑结构,包括地板支撑结构,包括贴合地板的顶面,及安装在地板底架间的支撑座座体;所述地板底架包括安装底板和对称设置凸出于安装底板上的两个卡合部;所述支撑座座体的底面设置有向顶面方向内凹的空置部;所述支撑座座体的侧面为与卡合部的内壁相抵接,向卡合部一侧凸出的导向部;安装时,所述支撑座座体的侧面与卡合部间形成避空部。一方面能调节垂向刚度,另一方面增加橡胶自由面,提高疲劳寿命。通过对支撑座的结构合理配置,在支撑座座体的底面设置有空置部,不但可以减轻地板支撑组件整体的重量,而且能调节垂向刚度,增加橡胶自由面,提高疲劳寿命。


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    Title :

    Floor supporting structure


    Additional title:

    一种地板支撑结构


    Contributors:
    ZHOU PENG (author) / LI BIN (author) / ZHAO BIN (author) / HUANG TAO (author) / ZENG XIANHUI (author) / DENG MENGJUN (author) / LI JING (author) / LI TAO (author)

    Publication date :

    2021-12-28


    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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