Chassis structure of steel frame snowmobile and steel frame snowmobile

The invention particularly relates to a steel frame snowmobile chassis structure and a steel frame snowmobile. The steel frame snowmobile chassis structure comprises a balancing weight assembly, a control panel assembly, a frame welding assembly and a sliding blade assembly. The control panel assembly is fixedly connected to the middle of the upper surface of the frame welding assembly; the balancing weight assembly is fixedly connected to one end of the upper surface of the frame welding assembly; the two sliding blade assemblies are fixedly connected to the left side and the right side of the bottom face of the frame welding assembly correspondingly, the technical scheme provided by the invention makes up the blank of a chassis structure of a domestic steel frame snow vehicle, and compared with an imported steel frame snow vehicle, a large amount of cost is saved; in the technical scheme, the whole structure and all functional parts are reasonably arranged according to general body characteristics of domest