Hydraulic cylinder integration device of segment erector and segment erector

The invention discloses a hydraulic cylinder integration device of a segment erector and the segment erector. The hydraulic cylinder integration device of the segment erector comprises an integration base and at least two piston rods, the integration base comprises a mounting hole located in the center and at least two cylinder barrel holes evenly distributed in the circumferential outer side of the mounting hole, the mounting hole is used for mounting a segment grabbing and lifting head, and hydraulic oil is contained in the cylinder barrel holes; the at least two piston rods are correspondingly installed in the at least two cylinder barrel holes, the at least two piston rods and the corresponding at least two cylinder barrel holes are combined to form at least two hydraulic cylinders, and the at least two piston rods are used for stretching out of the corresponding cylinder barrel holes and tightly jacking the duct piece so as to adjust the posture of the duct piece. According to the hydraulic cylinder inte