Core rod tractor

The utility model discloses a core rod tractor which comprises a core rod tractor body, the core rod tractor body comprises a traction assembly, the traction assembly comprises a core rod and a steel strand bundle, one end of the core rod is provided with a pulling assembly, the pulling assembly comprises a connecting rod and a pull ring, and the outer side of the core rod is provided with a fixing assembly. The fixing assembly comprises a sliding sleeve and a lantern ring, a pushing assembly is installed on the outer side of the core rod and comprises a supporting plate and a spring, and the core rod tractor can adjust the distance between the sliding sleeve and the core rod and can adapt to traction and fixing work of steel strand bundles with different diameters, different diameters of single steel wires and different numbers of single steel wires; according to the steel strand bundle traction device, movement limitation of the sliding sleeve caused by large friction force of a steel strand bundle can be a