Draining middle trough for scraper conveyor

The invention relates to a middle trough of a scraper conveyor for a mine, in particular to a middle trough with a draining function, which is mainly formed by welding a bent plate component, a baffle ledge, a shovel ledge, a middle plate and a bottom plate, and is characterized in that two oblong holes are formed in an inner opening of a lower chain way of the baffle ledge and are used for draining water in the lower chain way; long and thin openings are formed in the middle plate and the bottom plate at certain intervals in a certain number, the cross section of each opening is in a mode that the upper portion is narrow and the lower portion is wide, and the openings of the middle plate and the bottom plate are used for draining water in the chute. According to the middle trough with the draining function, excessive water in the chute can be discharged to the lower chain way through the middle plate, the excessive water in the lower chain way is discharged out of the trough body through the opening of the b