Anti-abrasion mechanism of gas storage tank

The utility model discloses an anti-abrasion mechanism of a gas storage tank, which relates to the technical field of gas storage tanks and comprises a fixing ring and a fastening component. A buffer assembly is mounted in the fixing ring, and an extrusion assembly is mounted on the circumferential surface of the fixing ring; the fastening assembly comprises sliding rods, arc-shaped plates, rubber plates, first springs and rubber rings, uniformly distributed sliding holes are formed in the upper end of the circumferential surface of the fixing ring, the sliding rods are slidably connected into the sliding holes, the arc-shaped plates are fixed to the end faces, located in the fixing ring, of the sliding rods, and the rubber plates are fixed to the side faces of the arc-shaped plates. Rubber rings are fixed to the side faces of all the rubber plates, the circumferential face of a sliding rod is sleeved with a first spring, one end of the first spring is fixed to the side face of an arc-shaped plate, and the ot