This invention discloses a dust suppression device for a mine car bucket. The dust suppression device for a mine car bucket includes a drive unit, a mounting frame, a bucket
sprayer, and a connector. The drive unit includes a
drive motor, an output gear, a transmission gear, a transmission shaft, a drive seat, a
commutator, a drive rod, and a drive housing. The
drive motor is mounted inside the drive housing, the output gear is mounted on the output end of the
drive motor, two transmission shafts are rotatably mounted inside the drive housing, and two transmission gears are respectively mounted on two transmission shafts. The output gear meshes with one of the transmission gears. The drive rod is located inside the drive seat, and the
commutator guides the drive rod from one drive seat to the other. The drive rod is connected to the connector, and the connector is connected to the bucket
sprayer. The bucket
sprayer is mounted on the mounting frame. This dust suppression device for a mine car bucket can cover the bucket without affecting loading.