Adjustable rolling device and multi-wire sawing machine lifting mechanism

The utility model relates to the technical field of wire sawing machine cutting. The utility model relates to a sawing machine, in particular to an adjustable rolling device and a multi-wire sawing machine lifting mechanism. Wherein the adjustable rolling device comprises a cylindrical fixed seat, a connecting frame, a rolling shaft, a rolling bearing and an adjusting block; one end of the adjusting block is connected with a cylinder opening of the cylindrical fixing base in a threaded fit mode. The connecting frame is arranged in an inner cavity of the cylindrical fixing base in a sliding mode. One end of the connecting frame abuts against the adjusting block, the adjusting block is screwed to drive the connecting frame to move in the axial direction of an inner cavity of the cylindricalfixing base, the connecting frame is provided with a through groove extending towards the end away from the adjusting block, the rolling shaft is located in the through groove, the two ends of the rolling shaft are fixed to t