Caliper facilitating rapid installation of photovoltaic module

The utility model relates to the technical field of vernier calipers, in particular to a caliper convenient for quickly installing a photovoltaic assembly, which comprises a fixing assembly, the fixing assembly comprises a caliper body, the side surface of the inner wall of the caliper body is in sliding connection with a main caliper, the upper side of the caliper body is in threaded connection with a fixing bolt, and the side surface of the fixing bolt is movably sleeved with an L-shaped strip. L-shaped blocks are fixedly connected to the upper side and the lower side of the right side of a vertical strip of the L-shaped strip, a fixing block is fixedly connected to the rear side of the ruler body, and a photovoltaic power generation panel is fixedly connected to the side face of the fixing block in a sleeving mode. According to the utility model, firstly, the photovoltaic power generation panel is aligned with the fixing block, the two L-shaped blocks are moved into the two L-shaped grooves, the fixing bol