Abstract: The trashcleaning conditions of the Erjiang Hydropower Station of Gezhouba Hydraulic Project were introduced. Based on this, the technical characteristics of the gantry hydraulic trashcleaning machine were expounded. The trashcleaning machine has experienced the tests of four flood seasons since it was put into operation, and can satisfy the trashcleaning requirement of the hydropower station.

Key words: gantry hydraulic trash-cleaning machine, hydraulic trash-cleaning grab bucket, PLC controler, touch screen