Tool for rapidly measuring inner diameter of cylinder body of hydraulic plunger pump

The utility model discloses a hydraulic plunger pump cylinder inner diameter rapid measuring tool, which comprises an upper supporting cylinder and a lower supporting cylinder, the side surfaces of the upper supporting cylinder and the lower supporting cylinder are fixedly provided with connecting handles, the inner walls of the upper supporting cylinder and the lower supporting cylinder are rotatably connected with a rotating rod, the surface of the rotating rod is fixedly provided with an adjusting sleeve, and the adjusting sleeve is fixedly connected with the connecting handles. And straight gears are fixedly installed at the two ends of the rotating rod, sliding sleeves are fixedly installed on the front faces and the back faces of the upper supporting cylinder and the lower supporting cylinder, measuring rods are slidably connected to the inner walls of the sliding sleeves, straight racks meshed with the straight gears are fixedly installed on the surfaces of the measuring rods, and graduated scales are