All -round clean telescoping device in tunnel

The utility model discloses an all -round clean telescoping device in tunnel. Including rotating base but (1), but vertical support (2) of installing on rotating base (1) to and with support (2) upper end articulated telescoping device, locate the belt cleaning device at telescoping device top, but the telescoping device still is connected through swivelling joint device (11) with belt cleaning device. The utility model discloses can be more effectively, more comprehensive to wasing the maintenance in the tunnel, compensate the not enough of original technique for the cleaning performance in tunnel is cleaner, does the omnidirectional to whole tunnel (whole two lining concrete faces in the tunnel) and washs, has improved belt cleaning device's flexibility ratio widely, makes the washing in tunnel swift more, effective. The telescoping device can wash each position to thoroughly change the tunnel internal environment, make the inside dust in tunnel sweep and use up, clean nothing left since then.