Work vehicle roof structure
    2.
    发明授权
    Work vehicle roof structure 有权
    工作车顶结构

    公开(公告)号:US06279978B1

    公开(公告)日:2001-08-28

    申请号:US09412913

    申请日:1999-10-05

    IPC分类号: B62D3300

    摘要: The operator's cab of a work vehicle is provided with a ROPS on which is mounted a roof structure. The roof structure is provided with a roof having a top surface exposed to the outside and a bottom surface facing the interior of the operator's compartment. A sound insulating foam liner having a top surface and a bottom surface is located under the roof. The top surface of the foam liner is secured to the bottom surface of the roof by adhesives. The bottom surface of the foam liner is provided with ventilating channels. The ventilating channels have two sidewalls and a top wall extending between the sidewalls. A headliner is located below the foam liner. The headliner has a top surface facing the bottom surface of the foam liner and a bottom surface facing the interior of the operator's compartment. The top surface of the headliner encloses the ventilating channels formed in the foam liner thereby forming ventilating ducts. The top surface of the headliner forming the bottom wall, whereas the foam liner forms the two sidewalls and the top wall of the ventilating duct.

    摘要翻译: 工作车辆的驾驶室设有一个ROPS,其上安装了一个屋顶结构。 屋顶结构设置有具有暴露于外部的顶表面和面向操作者室的内部的底表面的屋顶。 具有顶表面和底表面的隔音泡沫衬垫位于屋顶下方。 泡沫衬里的顶表面通过粘合剂固定到屋顶的底部表面。 泡沫衬里的底面设有通风通道。 通风通道具有两个侧壁和在侧壁之间延伸的顶壁。 顶篷位于泡沫衬里下方。 顶篷具有面向泡沫衬里的底表面的顶表面和面向操作者室的内部的底表面。 顶篷的顶部表面包围形成在泡沫衬里中的通风通道,从而形成通风管道。 顶篷的顶部表面形成底壁,而泡沫衬里形成通风管道的两个侧壁和顶壁。