Car electric retractable platform

The present invention discloses an in-vehicle electric telescopic platform, comprising a movable platform, folding stairway, and the motor speed reduction gear drive mechanism, movable platform connected by three high-strength rails with the rear end sides of the frame, folded boarding ladder provided in a side of the movable platform, motor speed reduction mechanism disposed within the frame at the rear end, the screw gear mechanism is provided in parallel on both sides of the movable platform. The electric power output of the motor speed reduction gear mechanism in combination with the central shaft is connected to both ends of the shaft respectively the power steering gear box connected to an input terminal, an output terminal of the power steering gear box is connected with the screw gear mechanism. Structure of the present invention is compact and easy to use. As a result of the electric drive mechanism, can achieve fast deployment and activities of the platform collapsed. Activity expanded platform pull out the folding boarding ladder provides a large, secure boarding platform for those who boarded the bus, were also facilitate rapid boarding boarding.