The utility model discloses a vertical lifting device suitable for jumbo size crystal growth crucible, including the fixed disk, the top equidistance of the outer circumference of fixed disk is provided with six group's splint, be provided with the pivot between every group splint, the one end that is connected with the jack catch is rotated in the pivot, the one end of jack catch sets up to the slope form, and the other end sets up to circular -arc jack catch structure, the one end inboard that the jack catch is close to the fixed disk is provided with fixing device, the circular -arc department of the jack catch other end is provided with skid -resistant gasket. The utility model discloses every jack catch is equipped with crucible fixing device, has prevented to hang when getting the crucible possibility that take place plastic deformation effectively, covert improvement the quality of output crystal, adopt six point location clamps to get the crucible, clamping -force is big, the bottom jack catch a little curved and curvature be equipped with the friction great and can guarantee the crucible not by the skid -resistant gasket of fish tail material, stability when guaranteeing that crucible bottom atress is even, improve the crucible and mentioning, the safe system of increase operation.