Washing pool for tires of engineering vehicle

The utility model discloses a washing pool for tires of an engineering vehicle. The washing pool comprises a rectangular washing pool body in the shape of a pit. Support plates are arranged on the side walls of two opposite long sides of the washing pool body. The length of each support plate is larger than or equal to that of the washing pool body. The height of the middle portion of each support plate is lower than heights of two ends thereof. The middle portion of each support plate is positioned in the washing pool body, the bottom surface of which is arranged below the lower side surface in the middle of each support plate. Multiple support rollers, unable to rotate relative to the support plates, are erected between the two support plates. Gaps are formed among the support rollers. The washing pool for tires of the engineering vehicle has following beneficial effects: the engineering vehicle does not necessarily be parked on the construction site in order to save time and cost without energy consumption and is also advantaged by being high in cleaning efficiency, fine in cleaning effect and long in service lifetime.