The utility model provides a cargo transmission device, which belongs to the field of cargo transmission and comprises a mounting base, a rolling rod, a rotating body, a rotating shaft, a ball, a pressure spring, a
handle rod, a blanking cap and a locking block, the mounting base is flush with the floor, a vertical circular
blind hole and a transverse sliding hole are formed in the mounting base, the sliding hole is communicated with the circular
blind hole, and a sliding groove communicated with the sliding hole is formed in the upper side of the sliding hole; the locking block is arranged in the sliding hole, and the side, close to the rotating body, of the locking block is provided with an inclined face facing the inserting direction of the rotating body. The blanking cap is arranged at the end of the sliding hole; the
handle rod penetrates through the sliding groove to be fixedly connected with the locking block. The pressure spring is arranged in the sliding hole and is positioned between the blanking cap and the locking block; the rotating body comprises a lower cylinder located in the round
blind hole, a middle cylinder arranged on the upper surface of the mounting base and a support used for bearing the stick, an annular groove matched with the locking block is formed in the lower cylinder, the ball is arranged on the lower surface of the middle cylinder, and the stick is mounted on the support through a rotating shaft.