Intelligent sowing, harvesting and irrigating integrated agricultural device

The invention discloses an intelligent sowing, harvesting and irrigating integrated agricultural device, and relates to the technical field of agricultural intelligence science and technicalization, the intelligent sowing, harvesting and irrigating integrated agricultural device comprises a cuboid vehicle body, two wheels at the rear end of the vehicle body are driving parts of a cultivation device and are connected with an engine through a transmission belt, and two wheels at the front end are steering wheels and are connected with the engine through a transmission belt. A portal-frame-shaped harvesting device is fixed between front and rear wheels, a driving machine and motors in four directions are fixed in the middle of a portal frame, chain type cutters are driven by the motors, a single-row and six-column discharging opening, a soil covering shovel and an arc-shaped discharging pipe which are connected through a discharging device are fixed in the middle of the front-section rear wheel, a seed box is ar