Eccentric wear prevention electro -hydraulic disc brake

The utility model provides an eccentric wear prevention electro -hydraulic disc brake, include the base and articulate the brake arm on the base, it has the brake pads to articulate on the brake arm, the brake lining has on the brake pads, the brake arm is the second pin joint with the pin joint of base, the brake pads is the third pin joint with the pin joint of brake arm, on the brake pads dorsad one side of brake lining be provided with the fourth pin joint, be provided with first pin joint on the base, articulated linking to each other there is the connecting rod between first pin joint and the fourth pin joint, the connecting rod, the base, brake arm and brake pads are through first, the second, the third, the fourth pin joint forms parallelogram mechanism, the line of third pin joint and fourth pin joint is perpendicular with the brake lining on the brake pads. A pedestal, only need guarantee during the installation that brake lining and friction disk are parallel, regardless of being band -type brake b