Elastic non-pneumatic tire with built-in horizontal pillow type pillow layer

The invention discloses an elastic non-pneumatic tire with a built-in horizontal pillow type pillow layer. The tire comprises a steel ring and a tire cover connected with the steel ring; the inner side surface of the steel ring is fixedly connected with spokes; a hub connected with an axle is fixedly connected to the spokes; regularly arranged compression springs are connected to the outer side surface of the steel ring; the section of the steel ring is U-shaped; the section of the rubber tire cover is inverted U-shaped matched with the section of the steel ring; the lower end of the compression spring is connected with the outer side surface of the steel ring; the upper end of the compression spring is connected with the inner side surface of the rubber tire cover; bolt holes are designedin U-shaped vertical arms of the steel ring and the tire cover; and bolts fixedly connect the steel ring with the tire cover through the bolt holes. A positioning groove welded by a pillow-shaped pillow layer spring is desig