Declutching leverage mechanism of the combine-harvester

The utility model discloses a clutch release lever mechanism of the combine harvester, which comprises three separation claws that are uniformly arranged on the clutch disc, each separation claw has the same structure, each separation claw consists of a connection part and a separation arm that is vertically connected with the connection part, the separation arm of the separation claw is provided with an arc section bending to the side of the central line of the clutch shaft, and the separation claw is provided with an arc projection part on both ends. Adopting the structure, the utility model avoids damaging the belt pulley during the utilization of the clutch and reduces the maintenance cost; moreover, the clutch is more reliable to work.