Manual feeding device of mechanical sliding platform

The utility model discloses a manual feeding device of a mechanical sliding platform, which comprises a worm wheel bushing, a worm and a hand wheel, wherein the worm wheel bushing comprises a screw rod sliding bushing far away from a feeding motor position and a worm wheel of a feeding motor end, the screw rod sliding bushing and the worm wheel are integrated, an internal thread matched with the screw rod is formed in the worm wheel, the worm wheel is arranged on the screw rod of the existing mechanical sliding platform through a supporting bearing, the sliding platform at the upper end of the worm wheel is internally provided with the worm through a bearing and a sliding bushing, the worm is matched with the worm wheel, and one end of the worm is provided with the hand wheel. When the mechanical sliding platform disclosed by the utility model is installed, any adjustment is not needed. The mechanical sliding platform can realize the mechanical feeding and manual feeding. The two kinds of transmission devices