Device for testing return circuit of switch equipment

The invention discloses a device for testing a return circuit of switch equipment. An upper testing clamp is arranged on a static contact of the switch equipment; a lower testing clamp is arranged on a moving contact of the switch equipment; the upper testing clamp and the lower testing clamp are connected with a return circuit resistance testing instrument; testing probes are arranged on both the upper testing clamp and the lower testing clamp; compression springs are arranged on the testing probes; metal conical probes are adopted for the testing probes, which is conducive to breaking through a tested sample to enable the probes to be connected with surface impurities and oxidation layers, so that the quality of testing data is ensured; the accuracy in return circuit resistance testing is improved; as a tension spring is arranged between two handles of the upper testing clamp and the lower testing clamp, the flexible clamping of a tested part of the tested sample can be facilitated due to the arrangement of the tension spring, and the testing accuracy in the return circuit resistance testing is further improved; the device is simple in structure and high in practicability, and has high popularization and application values.