AGV+E-Frame can use the rear towing hook to tow the trolley, and the trolley is automatically separated from the trolley after it is towed to the designated position. The car can tow single or multiple material trolleys with a maximum towing load of up to 3.6T. One or more E-frame mechanisms can be towed to realize automatic feeding and empty frame recycling. This model is widely used in the transportation of materials or finished products in the factory workshop, or outdoor material transfer.