The invention discloses a petrochemical pipeline bracket device. The petrochemical pipeline bracket device comprises a supporting post fixed on ground and a hydraulic device, wherein the hydraulic device comprises a hydraulic pump, a hydraulic rod, a spherical top cylinder and a climbing rod, wherein a first through hole is formed in the top of the hydraulic pump; the hydraulic rod is inserted into the first through hole; the two ends of the spherical top cylinder are separately welded on the bottom of the climbing rod and the top of the hydraulic rod; a supporting plate is welded on the top of the climbing rod; and the central axis of the bottom of the supporting plate is fixedly equipped with a buffer spring through a bolt with a gasket. According to the petrochemical pipeline bracket device disclosed by the invention, lifting of a bracket pipeline can be realized through the hydraulic device, so that the petrochemical pipeline bracket device can be suitable for more laying ways; a flat pressing resistant spring and a side pressing resistant spring can reduce pressure difference caused by rigid connection; an adjustable blocking ring can be suitable for heat expansion and cold contraction of the pipeline, so that the pipeline is not broken; and a flame retardant pad can avoid fire disaster generated by friction of original parts during leakage, and side stand columns prevent the side pipelines from being extruded.