Cleaning and maintaining car for tracks

The utility model relates to a cleaning and maintaining car for tracks, which comprises a car body device, a scrapping device, a cleaning maintenance mechanism and a power energy mechanism and is a cleaning and maintaining device for tracks with high automation degree. The cleaning and maintaining car for tracks can perform pretreatment on track working surfaces, clean dirt on the track working surfaces thoroughly, collect and clean the cleaned dirt, and spray oil and maintain tracks after the tracks are cleaned. The cleaning and maintaining car for tracks completely overcomes the shortcomings that in the prior art, greasy filth and dried scabs on the surfaces of the tracks can not be cleaned automatically and effectively, the tracks after being cleaned are not maintained sufficiently, and the dirt and cleaning solvent used during the cleaning process can not be collected and cleaned during cleaning process. The cleaning and maintaining car for tracks achieves automation of track cleaning and maintenance and has the advantages of being convenient in dirt recycling and cleaning and high in cleanness, having no damage to the track working surfaces and the like. The cleaning and maintaining car for tracks is not only suitable for dirt cleaning of special tracks and like track surfaces, but also suitable for maintenance of urban subways and urban light railways.