Dust removal fan mounting structure for roadheader

The utility model relates to the technical field of fully-mechanized excavating machines, in particular to a dust removal fan mounting structure for a fully-mechanized excavating machine, which comprises a fixing plate and a fan body, four support columns distributed in a rectangular shape are fixed on the outer wall of the bottom of the fixing plate, a C-shaped plate is fixed on the outer wall of the top of the fixing plate, grooves are formed in the inner walls of the two sides of the C-shaped plate, and the fan body is arranged in the grooves. And electric sliding rails are fixed to the inner walls of the grooves, the same placement plate is fixed to the outer walls of the opposite sides of sliding pieces of the two electric sliding rails, and two symmetrically-distributed sliding openings are formed in the outer wall of the bottom of the fixing plate. The lower pressing plate is placed on the outer wall of the top of the base, then the lower pressing plate is fixedly connected with the base and the placem