The error of the non-perpendicularity of the Double Drum Hoist Winch spindle axis and the lifting centerline shall not exceed 0.15/1000; the spindle axis height deviation shall not exceed ±50 mm. The lift centerline is not more than 5 mm from the mounting reference lift centerline. After the spindle device is qualified, the bearing beam can be grouted; when cutting the rope groove, it is not suitable to have taper and unevenness. The wood lining and the reel should be tightly fitted, and the pad should not be padded. The cork is blocked and should be glued; the dried hardwood must be selected; the fixed wooden lining nut is fixed through the hole of the web; the bearing seat is first marked on the bearing beam, and the wedge is welded in each side. One piece, and the position of the bearing seat is adjusted by the wedge iron, and the horizontal error of the bearing seat along the axial direction of the main shaft does not exceed 0.1/1000, and the direction perpendicular to the main axis does not exceed 0.15/1000;
