Municipal administration road isolation strip

The utility model discloses a municipal administration road isolation strip, including two bases, every the upper surface of base is all fixed to inlay there is first screwed pipe, the internal threadof screwed pipe is connected with spiral shell rasp bar, the head rod has been placed to the top of base, the last fixed surface of head rod inlays and has the third of two symmetries screwed pipe, and two third screwed pipes are located two first screwed pipes respectively directly over, the top of every screwed pipe is all run through the third screwed pipe and is extended to the top of third screwed pipe, and spiral shell rasp bar's surface and third screw thread pipe thread connection, every spiral shell rasp bar's the equal fixedly connected with cassette of surface, the top of head rodis provided with the second connecting rod, and the bottom surface of second connecting rod contacts with the upper surface of cassette. This municipal administration road isolation strip has effectually avoided dismantling in