Fire-fighting pipeline fixing device for fire-fighting engineering

The utility model discloses a fire-fighting pipeline fixing device for fire-fighting engineering, which comprises a fire-fighting pipeline and flanges, and is characterized in that the fire-fighting pipeline is divided into a plurality of sections, the flanges are arranged among the sections of the fire-fighting pipeline for mutual connection, a fixing ring is nested on the outer side of each flange, two sides of each fixing ring are respectively connected with a fixing sleeve, and the fixing sleeves are sleeved on the flanges. Compared with the prior art, the large-scale fire fighting pipeline shock absorption device has the advantages that a large-scale fire fighting pipeline can be installed through shock absorption connection of the steel plate spring, meanwhile, an additional fixing device is not needed, meanwhile, the ball joint and the lining are additionally arranged between the fixing ring and the fixing sleeve, and the large-scale fire fighting pipeline shock absorption device is convenient to insta