Adjustable jig frame for floating body construction

An adjustable jig frame for floating body construction comprises a jig frame bottom plate, a bottom casing pipe installed on the jig frame bottom plate and a casing pipe adjusting pipe installed on the bottom casing pipe, the adjusting pipe is inserted into the bottom casing pipe, and the adjusting pipe is sleeved with a supporting nut; a movable moulding bed column head is mounted on the supporting nut, and a hexagon nut is mounted on the movable moulding bed column head; a plurality of adjusting holes for inserting the fixing bolts are formed in the adjusting pipe; and a plurality of movabletrundles are arranged on the jig frame bottom plate. According to the utility model, in the construction of ship sections, the heights of various sections of different types can be quickly adjusted,so that the problem that the existing jig frame for floating body construction cannot be adjusted is solved, and the adjustment precision of the ship section height is improved; in addition, the floating body building jig fram