Cable stretching test device

The utility model provides a cable stretching testing device which comprises a base, and a fixed supporting column and a sliding supporting column are arranged on the two sides of the top of the base respectively. A sliding groove is formed in the base, and a sliding mechanism is arranged in the sliding groove. The sliding mechanism is connected with the sliding supporting column; a fixing mechanism is arranged on the side, close to the sliding supporting column, of the fixed supporting column. A tension sensor is arranged between the fixing support column and the fixing mechanism; the fixing mechanism comprises a shell, and a limiting groove is formed in the surface of the top of the shell; a first clamping plate and a second clamping plate are arranged in the shell, and the first clamping plate and the second clamping plate are located on the left side and the right side in the shell respectively; and the second clamping plate is fixedly connected with the shell. The cable tensile test device is simple in s