Tensile strength device of tensile wire

The utility model discloses a tensile strength device of a tensile wire, which comprises a frame body, one side of the top of the frame body is fixedly connected with an auxiliary rod, the other side of the top of the frame body is provided with two first sliding chutes, a sliding rod is slidably connected between the two first sliding chutes, one end of the sliding rod and one end of the auxiliary rod are rotatably connected with buckles, and the buckles are fixedly connected with the auxiliary rod. Clamping frames are rotatably connected to the other ends of the sliding rods and the other ends of the auxiliary rods, connecting shafts are fixedly connected to the tops of the sliding rods, gears are fixed to one ends of the connecting shafts, sliding frames are slidably connected to one sides of the clamping frames, racks are fixedly connected to one ends of the sliding frames, the racks are meshed with the gears, and sliding cylinders are fixedly inserted into one sides of the sliding frames; a connecting ro