SUPPORTING STRUCTURE FOR ELECTRIC POWER LINE Russian patent published in 2003 - IPC

FIELD: construction industry. SUBSTANCE: invention is related to supporting structures in the form of space truss for high-voltage electric power line. Technical result consists in increase of mechanical strength of support to cope with emergency condition loads directed along axis of electric power line which makes it feasible to use wires of larger cross-section without increase of number of supports required for erection of electric power line and in reduction of construction cost of electric power line. Supporting structure for electric power line includes side faces with stiffening ribs made of bent metal sheets assembled from interconnected sections forming its triangular cross-section. Surfaces of two side faces and stiffening ribs of each section are produced from continuous V- shaped bent sheet strip with end bends which forms rigid profiles of angular chords of supporting structure by three ribs of sheet bends, adjacent side faces by two isometric planes located between them, stiffening ribs by two end bends of sheet which are inclined at obtuse angle to planes of adjacent side faces and interjoined with the aid of members of grid forming surface of third side face. Supporting structure for electric power line is fitted with additional stiffening rib arranged perpendicular to surfaces of lattice side face and stiffening ribs made continuous or in the form of members distantly arranged on rib of bend of adjacent side faces on outer side of structure. EFFECT: increased mechanical strength of support to cope with emergency condition loads. 5 cl, 9 dwg