Novel grounding device of insulated boom truck

The utility model discloses a novel grounding device of an insulated boom truck, which comprises an annealed copper wire and a grounding drill rod connected with the annealed copper wire, and further comprises a support, a liquid conductive assembly and an electric pole connecting component, the liquid conductive assembly comprises a liquid container and a liquid outlet pipeline connected with the liquid container, and the liquid container is fixed on the support. The grounding drill rod is fixed to the side wall of the electric pole through the electric pole connecting component, and an outlet pipe of the liquid outlet pipeline is connected to a clamping area between the grounding drill rod and the side wall of the electric pole, so that liquid flowing out of the outlet pipe guarantees good conductive contact between the grounding drill rod and the electric pole. When the insulated boom truck works in a hot-line mode, an electric pole is arranged nearby the insulated boom truck, the electric pole is used as