Pedestrian protection device of tramcar

The invention belongs to the technical field of rail traffic safety, and discloses a pedestrian protection device of a tramcar. The device comprises a buffer frame, the buffer frame is fixedly connected to the tail end of a vehicle head or a vehicle tail, and the outer side of the buffer frame is connected with a lower protection plate and an upper protection plate. The upper protection plate inclines outwards under the action of the telescopic air rod to achieve a preliminary buffering effect on pedestrians, and meanwhile the air bag of the U-shaped structure on the surface of the lower protection plate is ejected out to wrap the pedestrians, so that the pedestrians are prevented from being secondarily hurt by factors such as other external vehicles and the like. And then a buffer frame connected between the lower protection plate and the vehicle body buffers the lower protection plate and the upper protection plate under the action of a multi-stage buffer spring, and in cooperation with a spring damper in a