The invention relates to a device and a method for cleaning or lubricating at least a connecting section of a drill rod element, with a housing, a channel-like recess and at least one washing means or lubricating means which is arranged along the channel-like recess. The channel-like recess is designed for horizontal insertion of at least a lower connecting section of the drill rod element when the drill rod element is substantially in vertical alignment. The invention further relates to a drilling rig with the said device for cleaning or lubricating.