Self-moving material unloading platform and construction method thereof

The invention provides a self-moving material unloading platform and a construction method thereof. The self-moving material unloading platform comprises a supporting rack and a material loading trolley, wherein one end of the supporting rack is fixed with an existing building floor structure, the other end of the supporting rack stretches out to the outer portion of the building floor structure,a U-shaped slide rail is laid on the supporting rack in the direction from the inner side of the building floor to the outer portion of the building floor structure, the bottom of the material loadingtrolley is provided with guide wheels, the material loading trolley can move inside any areas in storeys to be used for collection of circulating materials of the any areas in the storeys, furthermore, the guide wheels of the material loading trolley can move along the U-shaped slide rail to be used for conveying the collected circulating materials from the inner side of the building floor structure to the outer portion o