Energy-saving and environment-friendly street lamp lighting device

The utility model discloses an energy-saving and environment-friendly street lamp lighting device. The utility model relates to the technical field of street lamp illumination. The device comprises avertical rod, a ground inserting tip is arranged at the bottom of the vertical rod, a sliding rail is arranged on the surface of the top of the vertical rod, a first supporting frame is arranged on one side of the vertical rod, a second supporting frame is arranged on the other side of the vertical rod, a camera is installed at the bottom end of the second supporting frame, and a lamp holder is arranged on one side of the camera. According to the utility model, the convex block, the second spring and the limiting cavity are arranged; the sliding block enters the limiting cavity; when the convex block reaches the position of the positioning hole; the elastic deformation of the second spring is recovered; the projection block enters the positioning hole, fixation between the illuminating lamp and the lamp holder is