Upper transmission elevator, material conveying device and harvester

The utility model relates to an upper transmission elevator, a material conveying device and a harvester, the upper transmission elevator comprises an elevating mechanism, an upper auger conveying mechanism and a lower auger conveying mechanism, and the top and the bottom of the elevating mechanism are respectively provided with a discharge port and a feed port; the lower auger conveying mechanism is installed on one side of the feeding port, and the discharging end of the lower auger conveying mechanism communicates with the feeding port. The upper auger conveying mechanism is installed on one side of the discharging port, and the discharging end of the upper auger conveying mechanism communicates with the discharging port. The utility model has the beneficial effects that the structure is simple, the design is reasonable, the transmission mode is changed from the traditional bottom transmission mode to the upper transmission mode, the maintenance convenience is improved, the potential safety hazard caused b