High-altitude foreign matter removing device for subway overhead line system

The utility model relates to the technical field of foreign matter cleaning, in particular to a high-altitude foreign matter cleaning device of a subway contact network, which comprises a telescopic device, the lower end of the telescopic device is fixedly connected with a first non-slip mat, the upper end of the telescopic device is fixedly connected with a first fixing column, and the upper end of the first fixing column is fixedly connected with a connecting block. A first connecting plate is fixedly connected to the upper end of the connecting block, supporting columns are fixedly connected to the four corners of the upper end of the first connecting plate, a second connecting plate is jointly and fixedly connected to the upper ends of the four supporting columns, a cleaning device is fixedly connected to the upper end of the first connecting plate, and a supporting device is fixedly connected to the outer surface of the telescopic device. According to the high-altitude foreign matter removing device of t