Step structure for escalator

The stair structure comprises stairs and stair rollers for driving the stairs to move, and is characterized by further comprising compensation plates arranged on the two sides of the stairs, mounting seats are arranged on the two sides of the stairs, and sliding grooves and bosses for mounting springs are arranged on the mounting seats; the side face, facing the installation base, of the compensation plate is provided with a boss for installing a spring and a guide column inserted into the sliding groove, the spring is a compression spring, and the two ends of the spring are connected with the boss on the installation base and the boss on the compensation plate respectively. After the stair structure for the escalator is installed in the escalator, the compensation plate replaces the stair to make direct contact with the skirt panel, when the gap between the stair and the skirt panel is increased due to stair wheel abrasion, stair chain extension and the like in the running process of the escalator, the compr