Mounting structure of fire-fighting smoke exhaust fan

The invention relates to the field of fire-fighting equipment, in particular to a mounting structure of a fire-fighting smoke exhaust fan, which comprises a fan body and a mounting device for mounting the fan body, the mounting device comprises a mounting platform located below the roof surface, a plurality of lifting rods for lifting and fixing the mounting platform to the roof surface and a damping mechanism arranged on the mounting platform, and the fan body is arranged on the mounting platform; the damping mechanism comprises a mounting cylinder slidably arranged on the mounting platform and a first damping assembly for conducting damping adjustment on the mounting cylinder, the fan body is arranged on the mounting cylinder, the first damping assembly comprises a supporting seat fixed to the mounting cylinder and a guide rod fixed to the mounting platform, and the supporting seat is located between the mounting cylinder and the mounting platform; the length direction of the guide rod is the same as the ax