Test tube cleaning device for metrology chemistry

The utility model discloses a metering chemistry test tube cleaning device which comprises a base, the top of the base is fixedly connected with a cleaning box, hydraulic cylinders are arranged on the two sides of the cleaning box, the output ends of the hydraulic cylinders are connected with a cover plate, a servo motor is installed on the top of the cover plate, and a protective cover is arranged at the bottom of the cover plate. A cleaning pad is arranged on the inner wall of the protective cover, through holes are evenly formed in the protective cover, a rotating rod is connected to an output shaft of the servo motor, a cleaning brush is arranged on the outer side of the rotating rod, a limiting plate is arranged at the top end of an inner cavity of the protective cover, and a supporting table is arranged at the bottom of an inner cavity of the cleaning box. A water pump is arranged in the supporting table, by arranging the water pump, a flow guide pipe and a spray head, when the test tube is cleaned, the