Constant voltage split clamp of railway circuit split residue voltage determining tester

The utility model discloses a constant forcing shunt clamp of a constant voltage tester of track circuit shunt residual voltage , which comprises a transverse beam with a screw hole, a screw bolt is vertically arranged in the screw hole, the upper end of the screw bolt is transversely equipped with a force-applying lever, the lower end of the screw bolt is connected with a bearing seat, the bearing seat is internally equipped with a bearing upper iron pad, a thrust bearing and a bearing lower iron pad from top to bottom, the bottom of the bearing seat is connected with an insulation washer, the insulation washer is connected with a sensor casing which is arranged below the insulation washer, the sensor casing is internally equipped with a sensor iron pad and a sensor from top to bottom, the sensor is fixed on the sensor casing and is connected with a rail contacting block, a fixed hook is arranged below one end of the transverse beam, a movable hook is arranged below the other end of the transverse beam, the