Photovoltaic mounting bracket

The utility model discloses a photovoltaic mounting bracket. The device comprises an annular base, a rotary supporting frame, a swing frame, a first driving assembly, a second driving assembly and a tracking controller. An annular groove is formed in the inner annular surface of the annular base; the rotary supporting frame is composed of an annular connecting beam and tripods, the annular connecting beam is embedded in the annular groove in a sliding mode and is rotationally connected with the annular base, and a horizontal beam of the annular connecting beam is fixed to the bottom edges of the symmetrically-arranged tripods; the middle part of the long edge of the rectangular frame of the swing frame is rotatably connected with the top end of the tripod along the horizontal direction, and the swing frame is used for fixedly installing a photovoltaic module; the first driving assembly is arranged on the annular base and used for driving the rotary supporting frame to rotate horizontally. The second driving a