Tail self-moving device of mining belt conveyor

The invention discloses a tail self-moving device of a mining belt conveyor. The tail self-moving device comprises a tail main body, a first vehicle body and a second vehicle body, wherein first connecting frames and first hydraulic cylinders are fixedly mounted on the left side, the right side and the middle part of the bottom of the first vehicle body correspondingly; first rolling shafts are rotatably connected to the two first connecting frames correspondingly; first rolling wheels are fixedly connected to the outer surfaces of the first rolling shafts in a sleeving mode correspondingly; second connecting frames and second hydraulic cylinders are fixedly mounted on the left side, the right side and the middle part of the bottom of the second vehicle body correspondingly; second rollingshafts are rotatably connected to the two second connecting frames correspondingly; second rolling wheels are fixedly connected to the outer surfaces of the second rolling shafts in a sleeving mode correspondingly; a first b