One-way pushing-removing type oil slick removing device

The utility model discloses a one-way pushing-removing type oil slick removing device which consists of a left guide rail, a right guide rail, a carriage and a miniature reducer motor, wherein the left guide rail and the right guide rail are respectively arranged on the upper parts of the inner sides of the left and right walls of a circulation box; the carriage is arranged on the left and right guide rails by idler wheels; and the miniature reducer motor is fixed on the carriage. The one-way pushing-removing type oil slick removing device is characterized in that a rotating shaft with an idler wheel is arranged at the bottom of the front end of the carriage; a gear which is connected with driving teeth of the miniature reducer motor for transmission is arranged in the middle of the rotating shaft; an upper oil removing plate is fixed at the bottom of the front end of the carriage by an oscillating shaft; front and rear limiting switches of the carriage as well as front and rear sinking bars of the carriage a