Elevating device with multi-layered stand rack

The utility model provides an elevating device with a multi-layered stand rack. The elevating device comprises a fixed rack, a first L-shaped frame strip, a second L-shaped frame strip and a transmission structure, wherein two end sections of the first L-shaped frame strip and two ends of the second L-shaped frame strip are respectively provided with a slide base; the four slide bases can be jogged and in an offset connection with four stand columns of the fixed rack, so an elevating process of an elevating frame is relatively stable and smooth; the transmission structure works in a way that a first rotating shaft is driven to rotate by a motor via transmission of a motor chain and two movable ends of two single-side chains hung on the inner side of the first rotating shaft are driven to pull the first L-shaped frame strip to elevate; and a second rotating shaft is driven to rotate by two double-side chains spanning from the first rotating shaft and the second rotating shaft, so two movable ends of the two do