Roof filter equipment that ventilates for locomotive

The utility model relates to a roof filter equipment that ventilates for locomotive. This ventilation filter equipment includes mounting flange (1) and filter screen (2), the vertical direction of mounting flange (1) is equipped with a plurality of the installation card slot who is parallel to each other (8), the bottom of filter screen (2) is equipped with to its outside crooked flexion (14), filter screen (2) are passed through flexion (14) are fixed in installation card slot (8) with the insert mode. This roof filter equipment that ventilates for locomotive ventilation resistance is little, and package assembly is reliably firm, and the equipment mode is simple, and installation, dismantlement convenience are overhauld the maintenance cost and is hanged down. 本实用新型涉及种机车用车顶通风过滤装置。该通风过滤装置包括安装法兰（1）和过滤网（2），所述安装法兰（1）的竖直方向设有多个相互平行的安装卡槽（8）；所述过滤网（2）的底端设有向其外部弯曲的弯曲部（14），所述过滤网（2）通过所述弯曲部（14）以插入方式固定在安装卡槽（8）内。该机车用车顶通风过滤装置通风阻力小，组装结构牢固可靠，组装方式简单，安装、拆卸方便，检修维护成本低。