Eccentric power consumption roof beam that supports of many roof beams shearing type

The utility model discloses an eccentric power consumption roof beam that supports of many roof beams shearing type belongs to steel frame support technique field. This power consumption roof beam includes: the top flange, lower flange, web to and first stiffening rib, top flange and lower flange parallel arrangement, the web sets up with first stiffening rib is perpendicular, and the top surfaceof the bottom surface and the lower flange of top flange is connected simultaneously to web and first stiffening rib, wherein, the power consumption roof beam still includes: first aileron reason to and second aileron reason, first aileron reason and second aileron are arranged along the direction of height along the web, and on the length direction of web, first aileron reason and second aileronreason have coincident part, be provided with two through -holes on the web that the coincidence part of first aileron reason and second aileron reason was located, two through -holes just do not linkup along the web length di