Cylinder liner fixture provided with oil cylinder in boring process

The utility model discloses a cylinder liner fixture provided with an oil cylinder in boring process. The cylinder liner fixture comprises a workbench, a hole is formed in the workbench, a groove is formed in the position, on the periphery of the hole, of the workbench, a hollow cylindrical base with a circular ring is arranged in the groove and the hole, the oil cylinder is arranged below the hole of the workbench, the oil cylinder comprises a cylinder body, an upper oil cylinder cover is arranged at the upper end of the cylinder body, a lower oil cylinder cover is arranged at the lower end of the cylinder body, an oil cylinder piston penetrating through the lower oil cylinder cover is arranged in the cylinder body, the upper oil cylinder cover is connected with the workbench, the lower end of the oil cylinder piston is connected with a pull plate, pull rods are arranged at the two ends of the pull plate, the pull rods extend upwards and penetrate through the workbench, the upper sides of the pull rods are connected with a gland, a through hole is formed in the gland, an upper groove and a lower groove are formed in the positions, on the periphery of the through hole, of the gland, a water ring is arranged in the upper groove, and a second circular-ring-shaped gland matched with a cylinder liner in size is arranged in the lower groove. The cylinder liner fixture is simple in structure and convenient to operate, integral rigidity of a process system can be improved, and the problem that due to vibration and bending of a boring rod, the service life of the boring rod is short is solved.