Heat exchanger fixing support and outdoor machine provided with same of air conditioning unit

The utility model discloses a heat exchanger fixing support which comprises a first fixing plate, a second fixing plate and fastening pieces, wherein the first fixing plate comprises at least one front plate body; the second fixing plate comprises at least a rear plate body and a left side plate; the front plate body and the left side plate are fixed through the fastening pieces; the fixing support further comprises a right side plate; and one side of the right side plate is integrally connected with the first fixing plate or the second fixing plate, and the other side of the right side plate is connected with the second fixing plate or the first fixing plate through the fastening pieces. Therefore, the fixing support can be flexibly placed and fixed according to an installation position of a heat exchanger and a position of a pipe outlet connector, and assembly and disassembly are facilitated. Besides, the utility model provides an outdoor machine provided with the fixing support of an air conditioning unit; during installation, the first fixing plate and the second fixing plate are both connected in visible positions, the heat exchanger of the outdoor machine is fixed conveniently, and subsequent assembly, disassembly and maintenance are also facilitated.