Automatic cleaning device for train carriage

The utility model discloses an automatic cleaning device for a train carriage, which comprises a support frame, a vibration unit, a cleaning unit and a dust collection unit, the vibration unit and the cleaning unit are arranged on the support frame, and a dust collection port in the dust collection unit is arranged on the cleaning unit; the vibration unit is used for knocking the outer wall of the train carriage after the train carriage runs into the supporting frame, so that accumulated coal in the train carriage is vibrated to fall onto a bottom plate of the train carriage; the sweeping unit is used for sweeping accumulated coal on a bottom plate and accumulated coal attached to the inner wall of a train carriage; the dust suction unit is used for sucking accumulated coal swept out by the sweeping unit, and the technical problem that the efficiency and safety of manual sweeping of the train carriage are low is solved. 本实用新型公开了一种火车车箱自动清扫装置，包括：支撑架，振动单元，清扫单元和吸尘单元，其中，振动单元和清扫单元设置在支撑架上，吸尘单元中的吸尘口设置在清扫单元上；振动单元用于在火车