Mounting structure of LED display device

The utility model relates to the technical field of LED display screens, and discloses a mounting structure of an LED display device, which comprises an LED unit plate, an LED mounting plate and a mounting frame, a vertical rod and a cross rod are respectively welded on the inner wall of the mounting frame, and a connecting block is arranged on the side surface of the vertical rod. According to the mounting structure of the LED display device, the LED mounting plate, the fixing plate, the guide mechanism and the limiting plate are arranged, the limiting plate is pulled downwards, then the fixing plate is inserted into a mounting groove in the LED mounting plate, the limiting plate is loosened, a spring of the guide mechanism is reset, a guide block is pushed to move, and the limiting plate is driven to move; the fixing grooves in the limiting plate are connected with the fixing rods on the north side of the fixing plate in a clamped mode, then the positioning rings are screwed, the limiting plate is clamped,