Expressway long tunnel ventilation equipment

The utility model belongs to the field of expressways, and particularly relates to expressway long tunnel ventilation equipment which comprises a fixing frame, fan blades are arranged below the fixing frame, a transmission wheel is welded to the front ends of the fan blades, the front end of the transmission wheel is connected with a gear in a meshed mode, the front end of the gear is movably connected with a belt, and the belt is connected with the fan blades in a meshed mode. A motor is arranged at the bottom of the belt, and a supporting rod is arranged on one side of the motor; through the relation among the fixing frame, the fan blades and the pipe body, the fixing frame plays a role in fixing and limiting during later use, the fan blades can be well protected against damage, and through the relation among the gears, the transmission wheels and the belt, the relation among the transmission wheels on the upper portion can be driven through the belt during use, and the transmission wheels on the lower port