Photovoltaic power generation device convenient to maintain

The utility model discloses a photovoltaic power generation device convenient to maintain, which comprises a base fixed on the top of a mountain, supporting frames are fixed on two sides of the base, a plurality of photovoltaic assemblies are arranged on the supporting frames along the gradient direction, sliding rails are arranged on two sides of the supporting frames, sliding blocks are arranged on the sliding rails in a sliding manner, and the sliding blocks are arranged on the sliding rails in a sliding manner. A connecting piece is fixed to the sliding block, a guide rod is arranged on the connecting piece, a wiping plate is arranged at the lower end of the guide rod in a sliding mode, the portion, between the wiping plate and the connecting piece, of the guide rod is sleeved with a spring, and sponge is arranged at the lower end of the wiping plate. Compared with the prior art, according to the utility model, the wiping plate is moved downwards in a manner of sliding the slide block, dust cleaning of th