Steel structure pipeline support

The utility model discloses a steel structure pipeline support, and relates to the technical field of steel structures. The clamping device comprises a bottom plate, a supporting plate is rotatably arranged above the bottom plate, a direction adjusting component is arranged between the bottom plate and the supporting plate, a clamping limiting component is arranged above the supporting plate, and the clamping limiting component comprises a lower limiting component and an upper limiting component. The supporting plate is provided with a height adjusting component for driving the lower limiting component to ascend and descend. Through the arrangement of the upper limiting component and the lower limiting component, a first arc-shaped plate and a second arc-shaped plate on the limiting component can be conveniently combined for use, then the upper limiting component and the lower limiting component can be fixed through connecting bolts and nuts, and therefore pipelines of different models can be clamped and limi