Telescopic building platform structure

The utility model discloses a telescopic building platform structure which comprises a material carrying platform, a supporting bottom frame is arranged at the bottom of the material carrying platform, the supporting bottom frame is fixedly installed on the building ground through bolts, and a traction assembly is arranged at the bottom of an inner cavity of the supporting bottom frame. The traction assembly comprises a stepping motor fixedly installed on the front side of an inner cavity of the supporting bottom frame, the front side and the rear side of the inner cavity of the supporting bottom frame are each provided with two fixing supporting plates in a welded mode, a cable disc is rotationally connected between every two adjacent fixing supporting plates, and an output shaft of the stepping motor is fixedly connected with the cable disc located on the front side. A supporting position is provided for the material carrying platform through the supporting bottom frame, a using platform is provided for a u