Butt joint auxiliary method and device for unloading equipment and unloading equipment

The invention discloses a butt joint auxiliary method and device for discharging equipment and the discharging equipment, the discharging equipment comprises a discharging groove, a first image collecting device and a display device, the first image collecting device is installed in an area above the discharging groove, and the butt joint auxiliary method comprises the steps that a first image is obtained in real time through the first image collecting device; under the condition that the unloading equipment is in the ready unloading state, generating a corresponding discharging groove auxiliary line in the first image according to the first position of the discharging groove; a hopper auxiliary line corresponding to a second position is generated in the first image in real time according to the second position of the area center line of the feeding area of the pumping equipment; and the first image, the discharging groove auxiliary line and the hopper auxiliary line are sent to a display device to be display