Sliding door used in wind tunnel of hydro-generator

The utility model discloses a sliding door used in a hydro-generator wind tunnel, which relates to the technical field of hydro-generator wind tunnel doors, and comprises a sliding mechanism arranged around the hydro-generator wind tunnel; the pulling and moving mechanisms are arranged at the two ends of the sliding door respectively and used for pulling the sliding door to move; the limiting mechanism is arranged on the sliding door and used for limiting the position of the sliding door; the sliding door is arranged in the sliding mechanism in a sliding mode and used for opening or closing a wind tunnel of the hydro-generator. The sliding mechanism is matched with the sliding door to change a side-hung door body at the wind tunnel into a push-pull door body, the pulling mechanism is used for pulling the door body to control opening and closing of the door body, the sliding mechanism and the pulling mechanism can reduce friction force between the sliding door and the sliding mechanism, the sliding door is con