The utility model discloses a hydraulic type electric power engineering cable pay-off rack structure. The device comprises a base, Jack and supporting column, A fixing mechanism is movably installed at the bottom end of the base, a jack is movably installed at the top end of the base, a supporting column is fixedly installed at the top end of the jack, a bearing seat is fixedly installed on one side of the top end of the supporting column, a protection mechanism is movably installed on the other side of the top end of the supporting column, and a roller shaft is installed between the bearing seats in a penetrating mode. By arranging a series of structures, the cable pay-off device can prevent cables from shaking in the pay-off process, and the stability of the cable pay-off device is improved.