Lightning protection structure for electric pole with insulating cross arm

The utility model relates to a lightning protection structure for an electric pole with an insulating cross arm, and belongs to the technical field of power distribution lightning protection. According to the technical scheme, a lightning arrester support (16) is installed on an electric pole, and a lightning arrester insulator (19) is arranged on the lightning arrester support (16) through a lightning arrester base (27); a zinc oxide resistor disc (26) is arranged on the lightning arrester insulator, an angular electrode (23) is welded at the upper end of the zinc oxide resistor disc (26), an arc extinguishing ball II (24) is welded at the tail end of the angular electrode (23), and an insulating sleeve II (25) is wrapped outside the angular electrode (23) from the middle part of the angular electrode (23); the arc-striking rod is arranged at the upper end of the lightning arrester insulator, the arc-extinguishing ball I is welded at the tail end of the arc-striking rod, and the insulating sleeve I is wrappe