CONNECTING UNIT OF RODS Russian patent published in 1998 - IPC

FIELD: construction engineering. SUBSTANCE: this can be used for connection of rods in three-dimensional structures of buildings. Ends of middle rod of lower girth of three-dimensional block-truss are inserted through holes in washers and round opening formed by tube and are secured by nuts. Extreme rods of lower girth have shaped liners on their ends with holes for bolts which secure them to liners of outgoing part rods of connecting unit. Lower ends of struts have welded pads with holes for bolts which fasten them to shaped liners of connecting unit. Holes in shaped liners are located in axes of struts attached to connecting units and extreme rods of lower girth respectively with centering at point lying on longitudinal axis of tube. In process of operating three-dimensional block-truss, tightening or loosening of nuts allows for adjustment of structure span length through reducing or extending free length of middle rod. In connecting unit, round hole is formed by tube, shaped liners are installed V-like from top, rods are attached at sides, spread apart and are provided with shaped liners at ends. EFFECT: high efficiency. 8 dwg