Pulley lubricating mechanism of through-line type lifting mast

The utility model discloses a pulley lubricating mechanism of a through-line type lifting mast, which belongs to the technical field of lifting masts, and comprises a lifting mast, an adjusting box, a hand-cranking pulley, a bearing, an oil storage rack and a wire slot, the adjusting box is fixedly mounted on the side of the lifting mast, and the hand-cranking pulley is rotatably arranged on the side of the inside of the adjusting box through the bearing; a wire groove is embedded in the upper portion of the adjusting box, and an oil storage frame is embedded in the position, close to the side of the wire groove, of the upper portion of the adjusting box. The limiting clamping frame slides into the position between the inner sides of the sliding groove B and the limiting groove B which are opposite to each other, and after the push rod is pressed downwards to enable the limiting groove B and the limiting clamping frame to be completely clamped, a worker pushes the hand-cranking pulley to rotate through the be