專利摘要：
A conveying apparatus. The apparatus includes an air-cooled hydraulic driving unit, a hydraulic motor, a conveyor and a connecting element. The air-cooled hydraulic driving unit includes a hydraulic pump, an electrical motor, pipes, a flow regulator, and a cooling fan. The cooling fan is adapted for low temperature environment and does not require complicated pipes, so that the conveying apparatus of the present invention can be flexibly combined with other devices or applied to various processes.