Stable freight elevator convenient to load and unload

The stable freight elevator convenient to load and unload comprises a damping seat, an elevator car and a traction device, the damping seat is arranged below the elevator car, the traction device is arranged above the elevator car, the traction device and the elevator car are connected through a steel cable, a counterweight block is fixedly installed at one end of the steel cable, and the counterweight block is fixedly installed at the other end of the steel cable. A lifting supporting plate used for loading goods in a layered mode is movably installed on the inner side of the elevator car, the elevator car and the lifting supporting plate are driven by a lead screw, and the lead screw is movably installed on the inner side of the elevator car. A conveying frame used for loading goods is movably installed on the lower portion of the middle of the elevator car. A lifting type double-layer storage structure is arranged in the elevator car, the using flexibility of the freight elevator is improved, the upper spa