Train of taking rack dual -purpose footboard of getting on or off bus

The utility model discloses a train of taking rack dual -purpose footboard of getting on or off bus belongs to train auxiliary assembly technical field. The technical scheme of the utility model main points do: the device by the pivot gear with set up in the release of the toothed bar mesh of running -board bottom control running -board with regain, by the torsional forces of gearbox increase pivot gear, by stopping of travel switch control servo motor, accomplish the transition of releasing when regaining the running -board by back guide roll wheel, the range signal that is recorded according to infrared measurement circuit by the microprocessor among the control circuit judges the platform is for which kind of platform and then control the stroke of running -board. The utility model discloses can realize being applicable to simultaneously the dual -purpose function of high platform and low platform, provide convenience for passenger's train about low platform and high platform, avoid the emergence of incident, improve passenger's efficiency of train from top to bottom simultaneously, practice thrift the dwell time of train to a certain extent.