Crawler belt self-adaptive tensioning mechanism of forest fire fighting truck

The utility model discloses a self-adaptive tensioning mechanism for a crawler belt of a forest fire fighting truck in the technical field of forest fire fighting trucks, which comprises a truck body, the lower side of the truck body is provided with a crawler belt, the inner side of the crawler belt is respectively provided with a driving wheel and a towing wheel, the lower side of the driving wheel is movably provided with a first loading wheel, and the upper side of the first loading wheel is movably provided with a first tension wheel; a first buffering mechanism is arranged between the first connector and the second connector, a second tension wheel is arranged on the upper side of the towing wheel, fourth connectors are rotationally arranged on the two sides of the second tension wheel, a second loading wheel is arranged on the lower side of the second tension wheel, and a second buffering mechanism is arranged between the third connector and the fourth connectors. Through a simple mounting structure, t