Drum-shaped gear coupling with damping function

The utility model discloses a crowned gear coupling with damping, which comprises a driving end coupling component, a driven end coupling component, a connecting element and a fixing unit, and the driving end coupling component and the driven end coupling component are positioned at the left end and the right end of the connecting element and are locked through the fixing unit. The driving end coupler assembly comprises a driving end outer gear shaft sleeve and a driving end inner gear ring, the driving end inner gear ring is meshed with the driving end outer gear shaft sleeve, a driving end sealing end cover is arranged on the outer wall of the driving end outer gear shaft sleeve, and one side of the driving end sealing end cover is connected with a driving end gland and locked through a screw. The other side of the driving end gland is connected with the driving inner gear ring through a screw, damping grooves are formed in the inner side of the driving end gland and the inner side of the driving inner gear