Arch bridge suspension rod assembly convenient to replace

An arch bridge suspension rod assembly convenient to replace comprises a steel pull rod assembly, a pull cable anchor and a supporting frame. The supporting frame is provided with a pipe-column-shaped structure, the transverse section of the supporting frame is ring-shaped or multilateral-ring-shaped, a central through hole of the supporting frame can allow a pull cable body to pass, and the pull cable anchor is formed by the pull cable body and anchor heads located at two ends of the pull cable body, wherein one end of the pull cable body is provided with a prefabricated anchor head, and the other end of the pull cable body is provided with an on-site installation anchor head. In a working state, one end of the supporting frame is fixed on a bridge structure, the prefabricated anchor head of the pull cable anchor is fixed at the other end of the supporting frame, the on-site installation anchor head end of the pull cable anchor is connected with one end of the steel pull rod assembly, the other end of the steel pull rod assembly is fixed on another bridge structure, and each bridge structure comprises beams under a bridge or bridge arch ribs. The arch bridge suspension rod assembly is particularly suitable for old suspension rod replacement of the arch bridge with an embedded pipe with a small inner diameter, and replacement construction of a suspension rod can have the effects of not damaging an original structure of the bridge and facilitating installation.