Sweet cherry tree pruning device

The utility model discloses a pruning device for sweet cherry trees. The device comprises a telescopic rod and a trimming device, the trimming device comprises an arc-shaped protective cover, a bladeand a movable rod; an arc-shaped protective cover for protecting the blade is mounted at the top of the movable rod; a blade is installed in the arc-shaped protective cover, the telescopic rod comprises an outer sleeve, an inner adjusting pipe, a supporting rod and a transmission motor, a driving gear and a driven gear which are meshed with each other are installed at the upper end in the inner adjusting pipe, and the lower portion of the inner adjusting pipe is sleeved with the outer sleeve and can ascend, descend and be fixed in the axial direction of the outer sleeve; the supporting devicecomprises a universal shaft, a sleeve rod and a sleeve, the sleeve rod provided with a threaded hole can be sleeved with the sleeve, the sleeve is provided with a hole matched with the threaded hole and a screw used for fixing