Underground railway track is traction pull rod for vehicle

The utility model discloses an underground railway track is traction pull rod for vehicle, comprises a pole body, the pull ring body, mounting hole and elasticity node, body of rod both ends integrated into one piece has two pull ring bodies, pull ring body middle part is provided with the mounting hole, both ends are provided with a set of first down tube body and a set of second down tube body respectively about the pull ring body of body of rod one side, both ends are provided with a set of second down tube body and a set of first down tube body respectively about the pull ring body of bodyof rod opposite side, a set of first oblique end of rod integrated into one piece has solid fixed ring, the oblique end of rod integrated into one piece of a set of second has solid fixed ring, gu the fixed ring cover is established on the screw rod, straight -bar body middle part integrated into one piece has the segmental arc, the symmetry is provided with a plurality of buffer spring on the inner wall of segmental arc