Lightweight wallboard carrying vehicle

The utility model belongs to the field of carrying vehicles, and particularly relates to a light wallboard carrying vehicle which comprises a main plate, adjusting grooves are formed in the two sides of the main plate, auxiliary plates are installed in the adjusting grooves in a sliding mode, a connecting base is fixedly installed on one side of each auxiliary plate, a positioning plate is fixedly installed on the top of each connecting base, and four rectangular bases are fixedly installed on the top of the main plate in a rectangular shape. A rectangular hole is formed in the rectangular seat, a rectangular rod is slidably mounted in the rectangular hole, one end of the rectangular rod is fixedly arranged on the corresponding positioning plate, a plurality of clamping grooves are formed in the bottom end of the rectangular rod, a moving hole is formed in the inner wall of the top of the rectangular hole, a clamping pin is slidably mounted in the moving hole, and the clamping pin is matched with the correspo