Work Principle
Up and down, 2 layers. The car can go in and out from freely the down layer. It can go up and down, left and right. The down layer has a spare parking space and front-rear guide rails and it has a pallet which moves horizontally on the guide rail. The pallets on the top lay make up-down movements while the ones on the ground floor make left-right horizontal movements, the other ones can move either left to right or up and down. Through continuous space shift, parking in and fetch[...]