Device for realizing mechanical flexible connection of hard pipe

The utility model provides a device for realizing mechanical flexible connection of a hard pipe, which comprises a fixed adjusting end arranged at the end part of a fixed pipeline and a movable telescopic end arranged at the end part of a movable pipeline, and the fixed adjusting end and the movable telescopic end are oppositely arranged; the fixed adjusting end comprises a sleeve A arranged on the fixed pipeline in a sliding and sleeving mode, a connecting end face A arranged at the end of the sleeve A and an adjusting assembly arranged between the fixed pipeline and the connecting end face A. One end of the adjusting assembly is arranged on the outer wall of the fixed pipeline. The other end points to the side face, close to one side of the fixed pipeline, of the connecting end face A and has the freedom degree of being in contact with and separated from the side face of the connecting end face A; the movable telescopic end comprises a sleeve B arranged on the movable pipeline in a sliding and sleeving mode