Tunnel micro-step multifunctional sliding overhanging type simple platform

The utility model provides a tunnel micro-step multifunctional sliding overhanging type simple platform, which relates to the technical field of overhanging type platforms and comprises a main plate, first supporting columns are fixed at four corners of the bottom end of the main plate, second supporting columns are fixed at four corners of the top end of the main plate, and a top plate is fixed at the top ends of the four second supporting columns together. Pedals are fixed to the two ends of the main plate, the top plate and the first supporting columns. A telescopic rod runs to drive a driving plate to move, so that two external connecting plates move along with the movement of the driving plate, the supporting platform is driven to quickly translate, the effect of mechanically controlling the supporting platform to move out and retract is achieved, and the effects of stretching out the platform and retracting the platform in a movable mode during rack operation are achieved; through the arrangement of the