Voltage wiring clamp, meter checking device and meter checking method

The invention relates to the technical field of electrical equipment, and particularly discloses a voltage jointing clamp, meter checking equipment and a meter checking method. The jointing clamp comprises a jointing clamp main body, two clamping arms and at least one test unit, the jointing clamp body comprises a plurality of sliding rods extending in the working direction. The clamping arms are arranged on the sliding rod in a sliding mode, the two clamping arms are elastically connected to the two ends of the jointing clamp body through the telescopic elastic pieces respectively, the telescopic elastic pieces can drive the clamping arms to be close to the middle of the jointing clamp body, and the two clamping arms clamp the electric energy meter from the two sides; the testing unit is slidably arranged on the sliding rod and comprises a conductive sliding block, a connecting elastic piece and a wire, one end of the connecting elastic piece is fixedly connected to the conductive sliding block, the other en