Street lamp fixing support capable of being turned over

The utility model relates to the technical field of building construction, and discloses a turnover street lamp fixing support which comprises a stable base, a vertical support is fixedly installed on the outer side face of the stable base, a stable transverse plate is fixedly installed at the top of the vertical support, and a lighting headlamp is fixedly installed on the upper surface of the stable transverse plate. An adjusting and stabilizing device is fixedly installed on the upper surface of the stabilizing base, and the outer surface of the vertical support is sleeved with a sliding round pipe. According to the turnover street lamp fixing support, a rotating handle rod is controlled to drive a worm and a worm gear to be meshed to drive a stabilizing inclined rod and a supporting bottom frame to rotate to make contact with the ground for auxiliary supporting and fixing operation, the better supporting and fixing effect on a stabilizing base is achieved, and the stability of the stabilizing base in the u