Double-layer three-dimensional rolling rail parking lot

The utility model discloses a double-layer three-dimensional rolling track parking lot which comprises a garage body, a carriage unit, a transportation track, a lifting device and a control center. The garage body comprises an entrance and exit and a parking bin. The entrance and exit is formed in the parking bin; lifting devices are arranged on the two sides of the interior of the parking bin correspondingly. Two layers of transportation rails are arranged in the middle of the parking bin, and the two ends of each transportation rail are matched with lifting devices. A plurality of carriage units are respectively arranged on the transportation track and the lifting device; and the control center is electrically connected with the transportation track and the lifting device. The parking lot is applicable to various fields such as overground, underground, upstairs, basements, outdoors, indoors, roadsides, roads, squares and shopping mall entrances, and saves more than 3/4 of land compared with a traditional pa