Three-rail cover cleaning device and railway cleaning system

The utility model relates to the technical field of three-rail cover cleaning, in particular to a three-rail cover cleaning device and a railway cleaning system, and aims to solve the problems of high cleaning workload and low working efficiency in the conventional manual three-rail cover cleaning mode. The utility model provides a three-rail cover cleaning device which comprises a support, a cleaning roller, a water spraying component, a first driving component and a second driving component. The first driving part is connected to the main vehicle body, and the output end of the first driving part is connected with the support and can drive the support to move to get close to or get away from the main vehicle body. The water spraying part is connected with the support and provided with a spray head, and the spray head is used for spraying liquid to the three-rail cover to clean the three-rail cover; the second driving component is connected with the support, the output end of the second driving component is