High-voltage public equipment power cable operation maintenance device

The utility model discloses a high-voltage public equipment power cable operation maintenance device which comprises a circular rod, a movable rod is movably arranged in the circular rod, a pull rod is slidably connected outside the movable rod, a spring is installed outside the movable rod, one end, far away from the movable rod, of the spring is fixedly installed with the circular rod, and a connecting rod is installed outside the movable rod. Two square rods are rotatably connected to the exterior of the circular rod, two protection plates are rotatably connected to the exterior of the circular rod, a fixing groove is formed in the exterior of each protection plate, a first square groove is formed in the exterior of the circular rod, a first fixing block is installed on the exterior of each first square groove, and a second square groove is formed in the exterior of the circular rod; according to the cable deicing device, the long circular rod is arranged, then the first clamping block is driven by the spr