Additional wire suspension device for electrified contact net of high-speed railway

The utility model discloses a high-speed railway electrification contact net additional wire suspension device which comprises an additional wire suspension device body, the additional wire suspension device body comprises a double-lug type yoke plate and a single-double-lug vertical yoke plate, the bottom of the double-lug type yoke plate extends into the single-double-lug vertical yoke plate, and the single-double-lug vertical yoke plate extends into the double-lug type yoke plate. A first through hole is formed in the bottom of the right side of the double-lug type yoke plate, second through holes are formed in the inner walls of the two sides of the single-double-lug vertical yoke plate, and two anti-abrasion balls are embedded in the inner walls of the two sides of the single-double-lug vertical yoke plate. The connecting pin shaft is reasonable in design, friction force between the single-double-lug vertical connecting plate and the double-lug type connecting plate can be reduced during swinging, abrasi