Windscreen wiper device and transportation tool with front windscreen

The invention discloses a windscreen wiper device and a transportation tool with a front windscreen. The novel windscreen wiper comprises an air passage, an air pressurization and conveying device and a control switch, wherein the air passage is horizontally arranged in the position, near the front windscreen, inside an engine compartment and provided with an air inlet and an air outlet; the air pressurization and conveying device is arranged in the position, near the air inlet, inside the air passage, and used for increasing wind pressure and conveying the pressurized air into the air passage; the control switch is arranged in a main driving cab and used for controlling starting and stopping of the air pressurization and conveying device; the length of the air passage is matched with the length of the front windscreen; the air outlet is shaped like a flat opening and formed in the upper end of the air passage in the length direction of the air passage; and the air outlet is located in the lower end of the ou