The utility model discloses a suspension cable monitoring devices, including two installation component, two installation component connect gradually the annular structure that encloses with suspension cable looks adaptation from beginning to end, and installation component includes the mounting, and two mountings enclose and personally experience sth. Part of the body circlewise, caster wheel assembly and locating plate a plurality of and ring bodies fixed connection that its circumference was provided with multiunit and suspension cable sliding connection are followed to the ring bodies, install camera device on the locating plate. The utility model provides a suspension cable monitoring devices is last to be equipped with camera device and along the gliding caster wheel assembly of suspension cable, and the situation of can real -time supervision shooing each position of suspension cable replaces personal monitoring, security and reliability height.