Solar panel mounting rack connecting mechanism

The utility model discloses a solar panel mounting rack connecting mechanism, and relates to the technical field of solar panel mounting racks. The device comprises a mounting plate and a solar panel arranged above the mounting plate, four mutually communicated L-shaped channels are formed in the upper end face of the mounting plate, connecting rods in sliding fit with the L-shaped channels are arranged on the bottom face of the solar panel, and limiting plates opposite to the connecting rods are arranged in the L-shaped channels in a sliding fit mode. And the bottom surface of the mounting plate is in threaded fit with limiting bolts corresponding to the four limiting plates. According to the utility model, the bottom surface of the solar panel is provided with the connecting rod which is in sliding fit with the L-shaped channel, the limiting plate is in sliding fit with the interior of the L-shaped channel, and the limiting bolt is in threaded fit with the bottom surface of the mounting plate, so that the s