CONNECTION OF COMPOSITE-MATERIAL TUBES

摘要

mechanical engineering. SUBSTANCE: bearing carcass of coupling is formed by the method of wet winding. Internal surface of coupling has starting chamfer on end faces and at least two stop grooves positioned opposite to grooves of stop elements in nipple ends of tubes with their cross-section shaped as a triangle with formation of two opposite inclined surfaces and rounded vortex. Angle of slope of surface adjacent to coupling end face exceeds of slope which wall is opposite to inclined surface. Wall of coupling is provided with a hole for introduction of stop element, and rounded part of circular stop groove of coupling is coupled with hole which axis is tangentially positioned to internal surface of coupling. Stop element is made as a wire, mainly, polymeric one with round cross-section with open-ring form. EFFECT: enhanced reliability of connection. 3 cl, 5 dwg