Wheelchair embedded double-slope staircase and elevator with same

The invention provides a wheelchair embedded double-slope staircase and an elevator additionally provided with the staircase, wherein the staircase is at least divided into two sections, at least onesection is a pure slope, one section is an embedded double-slope staircase, barrier-free slopes with raised edges are arranged at two sides of the embedded double-slope staircase, the middle part is provided with an inner stair section, the width of the inner stair section is 200-450 mm, two longitudinal protrusions are arranged in the pure slope section, one end of each longitudinal protrusion isadjacent to the side protrusion, and the height of each protrusion is 1-30 mm; the height of the bottom surface of the cross beam of the staircase is 1600-2200 mm lower than that of a half-storey platform, a new staircase is built on the half-storey platform at one side of the staircase to an elevator doorway platform, and a flat walkway is built on the other side of the staircase to be embeddedwith a double-slope stairca