Unloading system

The utility model provides an unloading system which comprises a transport vehicle, an unloading port and an unloading door are arranged on the transport vehicle, and the unloading door is provided with a closing position for closing the unloading port and an avoiding position for avoiding the unloading port; the driving assembly comprises a push-and-pull piece, the push-and-pull piece is arranged on the transport vehicle and is in driving connection with the unloading door, and the push-and-pull piece drives the unloading door to move between the closing position and the avoiding position; and the external power source is separated from the transport vehicle, the external power source and the driving assembly can be connected or separated, and the external power source provides power for the driving assembly. According to the technical scheme, the problem that in the prior art, the weight of goods transported by a transport vehicle is affected due to the large dead weight of the transport vehicle is effectiv