Equipment and method for acceptance test of power transmission line

The invention relates to equipment and a method for an acceptance test of a power transmission line, the equipment is used for carrying out the acceptance test on a cable end, the equipment comprises a voltage withstanding device and a lifting device, the voltage withstanding device comprises a metal sealing tank, a voltage-sharing cover, a conducting rod, a voltage-sharing sleeve and a lead end, the voltage-sharing cover is connected to an upper-end metal electrode of the cable end, and the conducting rod is connected to a lower-end metal electrode of the cable end. The conducting rod is respectively connected with the voltage-sharing cover and the voltage-sharing sleeve, the voltage-sharing sleeve is connected with a high-voltage lead through a lead end, the metal sealing tank is sleeved outside the voltage-sharing sleeve and a cable end, and the metal sealing tank is filled with insulating gas; the lifting device comprises a sliding table, a stepping motor and a clamping device, the clamping device is clam