Tube bundle supporting structure and air cooler

The utility model relates to the technical field of air coolers, and particularly discloses a tube bundle supporting structure and an air cooler. The supporting frame comprises a plurality of obliquely-arranged supporting beams, a plurality of connecting pieces, a plurality of bottom column assemblies evenly arranged between the stand columns and used for being connected with the supporting beams, and top columns located over the center lines of gaps between the bottom column assemblies and fixed to a support of the air cooler, and the bottom column assemblies comprise symmetrically-arranged bottom columns; the supporting beams are used for installing a tube bundle of the air cooler and are arranged between the stand column and the bottom column adjacent to the stand column and between the adjacent bottom column and the top column, and the supporting beams located on the two sides of the top column are symmetrically arranged along the top column; the connecting pieces are horizontally arranged and located bet