Photovoltaic guide rail with safety device

The utility model discloses a photovoltaic guide rail with a safety device, which comprises a guide rail main body, tooth surface side wings are arranged at the upper positions of the two sides of the guide rail main body, a slide rail groove with an upward opening is arranged in the guide rail main body, an assembly groove is arranged at the lower end of the slide rail groove in the guide rail main body, and upper-layer assembly holes are arranged at the two ends between the slide rail groove and the assembly groove in a penetrating manner. The lower end of the assembling groove is provided with a lower-layer assembling hole penetrating through the guide rail body, an edge limiting bolt penetrating through the upper-layer assembling hole and the lower-layer assembling hole is arranged at one end in the guide rail body, a guide rail splicing bolt penetrating through the lower-layer assembling hole is arranged at the end, away from the edge limiting bolt, of the guide rail body, and limiting assemblies are arr