Photovoltaic panel array cleaning robot and change gear structure

The utility model provides a photovoltaic panel array cleaning robot and a change gear structure, the change gear structure comprises a track walking wheel which is fixedly connected with one side of a tail end fixing device of the photovoltaic panel array cleaning robot, and the diameter of the track walking wheel is larger than a preset value. The track walking wheels walk on the upper surface of a C-shaped track of the photovoltaic panel array; the large limiting change gear structure is fixedly connected with the other side of the tail end fixing device, the large limiting change gear structure and the track walking wheel are correspondingly arranged, and the large limiting change gear structure is attached to the side face of the C-shaped track. According to the scheme, automatic cleaning of the C-shaped rail type photovoltaic panel array is achieved. 本实用新型提供一种光伏板阵列清洗机器人及挂轮结构，该挂轮结构包括：与光伏板阵列清洗机器人的尾端固定装置的一侧固定连接的轨道行走轮，所述轨道行走轮的直径大于一预设值，所述轨道行走轮行走于光伏板阵列的C型轨道的上表面；与所述尾端固定装置的另一侧固定连接的限位大挂轮结构，所述限位大挂轮结构与所述轨道行走轮对应设置，