Auxiliary reinforcing cross arm blocking device for wiring construction of electric power circuit

The utility model belongs to the technical field of stringing construction, and particularly relates to an auxiliary reinforcing cross arm blocking device for stringing construction of an electric power circuit. According to the technology, an auxiliary cross arm is horizontally arranged, a through groove connected with an iron tower is formed in the middle of the auxiliary cross arm, pulleys are fixed to the left end and the right end of the bottom of the auxiliary cross arm, main ropes are hung on the pulleys, fixing assemblies used for fixing the main ropes are arranged on the auxiliary cross arm on the front sides of the pulleys, and a net blocking rope is arranged between the two main ropes. The net sealing ropes are fixed in parallel to form a net structure. According to the utility model, the auxiliary cross arm is sleeved on the outer side of the iron tower, the independent auxiliary cross arm is adopted to enhance the fixing effect with the iron tower, the stress point of the auxiliary cross arm is c