The invention discloses a subway
carriage system for cargo transportation. The subway
carriage system comprises a freight platform for loading and unloading cargos, a subway
carriage, an internal conveying roller, a jacking transfer
assembly, a transfer roller, a bearing roller, cargo trays for loading the cargos, a driving cabin, a built-in sensor, a
smoke and fire alarm, automatic driving equipment, a first
pedestrian path and a second
pedestrian path, wherein the internal conveying roller, the jacking transfer
assembly, the transfer roller, the bearing roller, the cargo trays for loading the cargos, the driving cabin, the built-in sensor, the
smoke and fire alarm, the automatic driving equipment, the first
pedestrian path and the second pedestrian path are arranged in the subway carriage; and the cargo trays are loaded and unloaded through
butt joint of an external conveying roller and the internal conveying roller, the cargo trays are transported into the subway carriage through the internal conveying roller and then transported to the bearing roller, and the cargo trays are sequentially arranged on the bearing roller to be stored. According to the subway carriage
system, cargotransportation can be conducted on an existing
subway line, the purpose of cargo transportation is achieved by transforming the subway carriage, cargo loading and unloading can be automatically conducted, a large number of transportation tasks are completed, cargo management is facilitated, and the transportation efficiency of
urban logistics is effectively improved.