Support convenient for angle adjustment

The support comprises a base and a bottom plate, an annular groove is formed in the top of the base, a supporting wheel is rotationally connected into the annular groove and fixed to the bottom of the bottom plate, a first through groove is formed in the top of the base in a penetrating mode, and a second through groove is formed in the bottom of the base. The first through groove is formed in the top of the base in a penetrating mode, the first bevel gear and the second bevel gear which are connected in a meshed mode are arranged in the first through groove, and the direction handle is rotated to drive the first shaft rod and the first bevel gear to rotate; the first bevel gear drives the second bevel gear and the second shaft rod to rotate, the second shaft rod drives the bottom plate to rotate with the center axis of the annular groove as the circle center, direction adjustment of the photovoltaic panel is achieved, the supporting wheels make contact in the annular groove in a rotating mode, stability of t