Bidirectional self-energizing type parking brake with brake shoe resetting function

The utility model discloses a bidirectional self-boosting type parking brake with a brake shoe resetting function. The brake bottom plate assembly is installed on a vehicle frame, the brake shoe assembly and the brake shoe belt pull arm assembly are arranged on the two sides of the brake bottom plate assembly respectively, the parking pull arm is connected to the brake shoe belt pull arm assembly, and the two ends of the parking push plate are installed at the parking pull arm and a groove of a rear shoe rib of the brake shoe assembly respectively. A push plate spring is sleeved at one end, connected with a groove of a rear shoe rib of the brake shoe assembly, of the parking push plate; two ends of the brake shoe return spring are respectively hooked with the brake shoe assembly and the stay wire guide frame, the stay wire guide frame is arranged on the brake bottom plate assembly between the brake shoe assembly and the lower end of the brake shoe pull arm assembly, and a brake cable for parking is arranged i