Carriage structure for drill and drill

The utility model provides a carriage structure for a drill and the drill. The carriage structure for the drill comprises a carriage body and a lining plate, wherein the lining plate is installed on a surface where edges of two sides of the carriage body and a track of a drill body are contacted; through holes are formed in a position, where the lining plate is installed, of the carriage body, and through holes are also formed in the lining plate correspondingly; and a screw sequentially penetrates through the through holes of the lining plate and the through holes of the carriage body and is fixed by a nut from the upper side of the carriage body. According to the carriage structure, blind holes of the carriage structure are changed into the through holes, so that during down-hole operations, the lining plate between the carriage body and the track of the drill body can be replaced very conveniently, and time and labor are saved.