Quick padding replacement device for donkey breeding farm

The invention provides a quick padding replacement device for a donkey breeding farm. The quick padding replacement device comprises a donkey groove guard rail for a donkey herd to move, a buffering donkey groove formed close to one side of the donkey groove guard rail, an arc passage which is used for connecting the adjacent ends of the donkey groove guard rail and the buffering donkey groove, amovable support plate which is arranged on the bottom face of the donkey groove guard rail and used for supporting movement of the donkey herd and a discharging groove plate which is arranged at the lower end of the support plate, and a feed groove is formed between the donkey groove guard rail and the buffering donkey groove; several idler wheels are arranged on the lower end face of the supportplate, and arranged in opening grooves formed in the upper end face of a long-rod-shaped inner track plate, and the bottom face of the inner track plate is arranged at the upper end of the discharginggroove plate. According to