High-pressure corrosion-resistant wellhead device

The utility model relates to the field of oil exploitation, in particular to a high-pressure corrosion-resistant wellhead device which comprises a device body, two sets of connecting plates are detachably arranged on the outer side of the device body and are symmetrically arranged relative to the device body, a supporting frame is arranged below the device body, and the supporting frame is of a U-shaped plate-shaped structure. The high-pressure corrosion-resistant wellhead device comprises a supporting frame, a connecting plate is arranged on the supporting frame, an electric telescopic rod is arranged between the supporting frame and the connecting plate, a two-way lead screw is rotationally arranged in the supporting frame, a sliding block is connected to the outer side of the two-way lead screw in a threaded mode, a rubber plate is fixed to the side wall of the sliding block, and universal wheels are fixedly installed at the four corners of the bottom face of the supporting frame. The bidirectional lead sc