Round bale cotton bale transfer device

The utility model discloses a round bale cotton bale transfer device which comprises a machine frame connected with a hydraulic suspension frame on a tractor. One side of the cotton bale bucket is fixedly connected with one side of the bottom of the rack; one ends of the two connecting arms are respectively fixed on two sides of the top end of the rack at intervals; one ends of the two clamping arms are hinged to the other ends of the two connecting arms respectively, and cotton bale clamping wheels are installed at the other ends of the two clamping arms; cylinder bases of the two hydraulic cylinders are hinged to the top end faces of the two connecting arms respectively, and the telescopic ends of the two hydraulic cylinders are hinged to the positions, close to one ends of the two clamping arms, of the two clamping arms respectively. During working, the bucket is horizontally inserted into the bottom of a cotton bale, the hydraulic cylinder drives the clamping arm to approach the bucket, the clamping wheel