Double-suspension cross arm insulator

The utility model discloses a double-suspension cross arm insulator. The connector comprises a core rod and silicone rubber, the core rod comprises a main body, a first terminal and a second terminal,the first terminal and the second terminal are located at the two axial ends of the main body respectively, and the periphery of the first terminal and the periphery of the second terminal are sleeved with multiple circles of silicone rubber at intervals in the axial direction. According to the utility model, the main body is used for connecting the grounding guide rail, the first terminal is used for connecting the anode rail, and the second terminal is used for connecting the cathode rail, so that the double-suspension cross arm insulator can be used for a three-rail contact network system. 本实用新型公开了一种双悬挂横担绝缘子，包括芯棒和硅橡胶，所述所述芯棒包括主体、第一端子和第二端子，所述第一端子和所述第二端子分别位于所述主体的轴向两端，所述第一端子和所述第二端子的外周沿轴向方向间隔套设有多圈所述硅橡胶。本实用新型中主体用于连接接地导向轨，第一端子用于连接正极轨，第二端子用于连接负极轨，因此本实用新型的双悬挂横担绝缘子可以用于三轨式接触网系统。