Supporting device for stainless steel pipe installation of direct drinking water project

The utility model provides a direct drinking water item stainless steel pipe installation supporting device which comprises a first clamping ring, a second clamping ring is arranged on one side of the first clamping ring, the two sides of the first clamping ring are both fixedly connected with first connecting blocks, the two sides of the second clamping ring are both fixedly connected with second connecting blocks, and the first connecting blocks are connected with the second connecting blocks. Openings are formed in the two first connecting blocks, sleeves are arranged in the openings, springs are fixedly connected in the sleeves, push rods are fixedly connected to the other ends of the springs, and fixing plates are fixedly arranged on the second connecting blocks and penetrate through the openings; a plurality of fixing holes which are evenly arranged at equal intervals are formed in the fixing plate, inserting rods matched with the fixing holes are fixedly connected to the ends, away from the springs, of