Lifting operation well mouth oil tube centralizer

The utility model discloses a lifting operation well mouth oil tube centralizer. The lifting operation well mouth oil tube centralizer comprises a balance base, a cylindrical supporting rod, a bevel gear turbine, a driving motor, a rotary supporting bearing base, a connecting rotation pin roll, a square adjusting table, a pin hole, a fixed compression ring, a disconnected groove, a cylindrical sliding hole, a square sliding groove, a clamping lead screw, a transition bevel gear, a sliding cylinder, a clamping transmission rod, an electric gearbox, an oblique flat-tooth plate, an infrared inductor, trapezoidal sliding grooves, sliding clamping blocks, locating lead screws and forward and reverse rotation motors. The lifting operation well mouth oil tube centralizer is simple and clear in structural principle, the moving position of a centralizing clamp is controlled remotely through a circuit controller, infrared rays are used for centering, the steering setting enabling adjusting to be conducted in three directions at the same time enables centralizing and locating to be quick and convenient, the working intensity of manual centralizing is omitted, and safety risks needing to be borne are eliminated.