Steel band ladder sedan -chair bear building -up constructs

The utility model discloses a steel band ladder sedan -chair bear building -up constructs, including the interior sedan -chair at the bottom of, interior sedan -chair the following side includes lateral wall and bottom plate at the bottom of being equipped with outer sedan -chair at the bottom of the outer sedan -chair, fixedly connected with support at the bottom of the interior sedan -chair of correspondence above the bottom plate, and the support lower extreme is equipped with first connecting hole, and the bottom plate is equipped with the second connecting hole corresponding with first connecting hole, and the connecting portion swing joint through passing first connecting hole and second connecting hole at the bottom of the interior sedan -chair and between at the bottom of the outersedan -chair still is equipped with elasticity portion, fixedly connected with tape pulley on the wall of relative both sides at the bottom of the outer sedan -chair between bottom plate and the support. The utility model di