Bearing mechanism, conveyor and operation machine

The utility model relates to the technical field of operation machinery, and provides a bearing mechanism, a conveyor and operation machinery, the bearing mechanism comprises a first connecting part used for being detachably connected with a machine body of the operation machinery and a second connecting part used for being detachably connected with a driver of the operation machinery, and the first connecting part is detachably connected with the second connecting part; the second connecting part can bear a driver, the first connecting part is provided with a locking piece used for being detachably connected with a machine body, the locking piece can be switched between a locking state and an unlocking state, in the locking state, the first connecting part can be fixedly connected with the machine body, and in the unlocking state, the first connecting part can move relative to the machine body; the bending moment borne by the driving end of the driver is adjusted. According to the utility model, the position