Special hoisting device for chute

The utility model provides a special hoisting device for a chute by aiming at solving the problem that the unhooking and the chain slipping can easily occur during the chute hoisting. The special hoisting device comprises an upper clamp plate, a lower clamp plate, a clamping mechanism and a hoisting ring, wherein the clamping mechanism comprises a lead screw and a screw nut, the upper clamp plate and the lower clamp plate are in parallel arrangement, two ends of the lower clamp plate are respectively and vertically fixed with the lead screw, a through hole capable of allowing the front end of the lead screw to pass through is formed in the upper clamp plate, the front end part of the lead screw is provided with the screw nut after passing through the through hole, and the hoisting ring is fixedly arranged on the upper clamp plate. Two sets of special hoisting devices for the chute are used, the upper clamp plate and the lower clamp plate are used for tightly clamping chute edge projected parts at two ends of