Unloading and sub-transporting device of common mining belt conveyor

The utility model discloses an unloading and distributing device of a common mining belt conveyor, which relates to the technical field of coal mine conveying, and comprises a rack, the rack comprises a bottom frame, front vertical rods, rear vertical rods and a cross beam, the front vertical rods are respectively fixed at two ends of the front side of the bottom frame, the rear vertical rods are respectively fixed at two ends of the rear side of the bottom frame, and the cross beam is connected with the front vertical rods; a cross beam is fixed between the middle parts of the two front vertical rods, another cross beam is fixed between the middle parts of the two rear vertical rods, and the horizontal heights of the two cross beams are consistent; the adhesive tape supporting mechanism comprises a movable frame, straight carrier rollers, a mounting shaft, a control triangular plate, a supporting control shaft and a movable rod, and at least five transverse straight carrier rollers are rotationally connected