Toughness testing machine for DC waterproof wire

The utility model discloses a toughness testing machine for a DC waterproof wire, which comprises a workbench, the center of the top end of the workbench is provided with a sliding chute, the inner side of the sliding chute is provided with a sliding plate capable of sliding transversely, and the center lines of the top ends of the workbench and the sliding plate are respectively and fixedly provided with a clamping structure. A mounting groove communicating with the sliding groove is formed in the center line of the top end of the workbench, a telescopic rod is fixed to the inner side of the mounting groove, a tension sensor connected with the sliding plate is fixed to the telescopic end of the telescopic rod, and a power inductor and a power box are arranged between the edge of the workbench and the clamping structure; the waterproof wire to be detected is clamped by the clamping structure and then is connected with the power inductor and the power supply box, so that whether a plastic wire in the DC waterp