Heat exchanger screw-threaded locking ring screwing-in device

The utility model discloses a heat exchanger screw-threaded locking ring screwing-in device, which comprises a flange plate positioning assembly, a flange control rod, an oil plug hole, a bearing sliding sleeve assembly, a pipe clamp, a counter weight block, a support guide spindle and a forced filling oil cup, wherein the flange plate positioning assembly is connected with the bearing sliding sleeve assembly through the flange control rod, the bearing sliding sleeve assembly is arranged on one side of the support guide spindle in a matching way, the counter weight block is positioned and arranged on the other side of the support guide spindle through the pipe clamp, and the oil plug hole and the forced filling oil cup are arranged on the bearing sliding sleeve assembly. The heat exchanger screw-threaded locking ring screwing-in device of the utility model can effectively reduce the horizontal frictional resistance, prevents the screw-threaded locking ring from scrubbing the case internal thread when being sc