▎ 摘　　要

NOVELTY - The invention claims a modified composite fibre circuit substrate of polytetrafluoroethylene and graphene, relating to the technical field of road construction material, comprising a road substrate main body, the road substrate main body comprises a first graphene layer, a first polytetrafluoroethylene a second graphene layer and a second polytetrafluoroethylene layer, four layers are integrated structure and arranged from up to down sequentially wherein the upper surface of the first layer graphene the lower surface of the second layer polytetrafluoroethylene respectively provided with a convex pattern for increasing surface friction force; the road substrate is provided with a lifting assembly, the lifting assembly comprises an I-shaped pressing buckle, the centre of the pressing buckle is provided with a through hole, the through hole is inserted with a movable pin, the upper end of the movable pin is provided with a lifting end cap, the lower end of the through hole is provided with a diameter expanding part, the lower part of the movable pin is fixedly connected with a bearing ring. The utility model has high pressure-proof toughness, not easy to break, light weight ratio iron tube row weight, reducing the complexity of field installation, saving the transportation cost, more environment-friendly and energy-saving. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for the modified composite fibre circuit substrate of polytetrafluoroethylene graphene to claim.