Photovoltaic roof color steel tile mounting structure and fixing piece thereof

A photovoltaic roof color steel tile fixing piece comprises a base provided with a plurality of installation through holes, a supporting arm protruding out of the base and a limiting arm with the tail end provided with a barb structure, and the distance between a barb at the tail end of the limiting arm and the base is matched with a connecting structure of a photovoltaic roof color steel tile to be fixed. And the connecting structure of the photovoltaic roof color steel tile is allowed to be clamped with the barb structure of the limiting arm. The device can fix the color steel tile on the surface of a building under the condition that the structural integrity of the color steel tile is not damaged, and the waterproof performance of the color steel tile is improved. The utility model further provides a photovoltaic roof color steel tile installation structure. 一种光伏屋顶彩钢瓦固定件，包括设置有多个安装通孔的底座、凸出于底座设置的支撑臂和末端设置有倒钩结构的限位臂，其中限位臂末端的倒钩与底座之间的间距与待固定的光伏屋顶彩钢瓦的连接结构相匹配，以容许光伏屋顶彩钢瓦的连接结构与限位臂的倒钩结构相卡接。该装置能够在不破坏彩钢瓦结构完整性的情况下将彩钢瓦固定在建