Recoverable pedal plate of coach side door

The invention discloses a recoverable pedal plate of a coach side door. The recoverable pedal plate comprises a pedal plate body, wherein a first rocker arm is hinged to each of the symmetrical positions of the two sides of the rear part of the pedal plate body; the upper ends of the two first rocker arms are respectively fixed to a rotating shaft; a second arm is respectively hinged to each of the symmetrical positions of the two sides of the middle part of the pedal plate body; a first supporting frame and a second supporting frame are respectively arranged on a vehicle bottom framework below the coach side door; the upper ends of the two second rocker arms are respectively hinged to the first supporting frame and the second supporting frame; the rotating shaft is arranged between the first supporting frame and the second supporting frame through a bearing; a worm gear is fixedly arranged on the rotating shaft; a screw rod is arranged on the first supporting frame through the bearing; the worm gear and the screw rod are in meshed transmission; the screw rod is driven by a driving device; a controller of the driving device is arranged on a maneuvering desk. According to the recoverable pedal plate of the coach side door, passengers can conveniently get on/off, and when a coach is driven forwards, the pedal plate can be retracted below the coach side door, so that the advancement of the coach is not impeded.