Power system live maintenance tool

The utility model discloses a power system live maintenance tool. The tool comprises an insulating handle with a central hole arranged in the front part along the axis, an L-shaped binding clip, a measurement line-pressing head provided with a measurement terminal, a threaded push rod, a drive rod, and a knob. The L-shaped binding clip is arranged at the front end of the insulating handle; the threaded push rod is disposed in the central hole of the insulating handle; and the measurement line-pressing head is arranged at the front end of the threaded push rod. A line clamping groove is arranged in an end face of the L-shaped binding clip opposite to the measurement line-pressing head. The drive rod is provided with threads cooperating with the threaded push rod, and the two rods are parallelly arranged on the insulating handle and are in engaged connection. The knob is disposed on the insulating handle, and the front end of the knob is fixedly connected to the drive rod coaxially. The tool, simple in structur