Shuttle and track pair of circular weaving machine

The utility model belongs to the technical field of circular weaving machines, and particularly relates to a shuttle and a track pair of a circular weaving machine, the shuttle comprises a shuttle body, an upper guide rail and a lower guide rail are fixed on the surface of one side of the shuttle body, and two mutually close side surfaces of the upper guide rail and the lower guide rail are respectively a first upper guide rail surface and a first lower guide rail surface. The surface of one side, adjacent to the first upper guide rail surface and far away from the shuttle body, of the upper guide rail is a second upper guide rail surface; the surface of one side, adjacent to the first lower guide rail surface and far away from the shuttle body, of the lower guide rail is a second lower guide rail surface; the first upper guide rail surface and the first lower guide rail surface are planes, and the first upper guide rail surface and the first lower guide rail surface are arranged in parallel at a certain inte