Self-adjusting sealing device

A self-adjusting sealing device is arranged between the top of an air bellow of sintering equipment and the bottom of a trolley. The sealing device comprises a mounting box, sealing strips, supportingsprings, a first limiting block and a second limiting block, wherein a spring fixing plate and a sealing strip fixing plate are arranged in the mounting box, and the sealing strip fixing plate is located above the spring fixing plate; the sealing strips are arranged on the sealing strip fixing plate; the supporting springs are arranged on the spring fixing plate, the sealing strip fixing plate issupported by the supporting springs, and the supporting springs jack up the sealing strip fixing plate; the first limiting block is fixedly connected with the mounting box; and the second limiting block is arranged on the sealing strip fixing plate, the first limiting block and the second limiting block are adjacently arranged in the front-and-back direction, and the first limiting block is located behind the second limit