Vibration isolation performance test equipment for vibration reduction track and broadband excitation test method

The invention discloses vibration isolation performance test equipment for a vibration reduction track and a broadband excitation test method.The vibration isolation performance test equipment for the vibration reduction track comprises an outer main body support, an exciter and an actuator, the exciter and the actuator are installed below the outer main body support, and the lower end of the exciter is connected with a loading tool acting on a steel rail; the lower end of the actuator is connected with the loading tool through an elastic decoupling unit, an acceleration sensor is arranged on the loading tool, and a force measuring sensor is arranged between the loading tool and the steel rail. The vibration isolation performance test equipment for the vibration reduction track can be used for a full-scale track vibration reduction performance evaluation test, a broadband excitation test with high repeatability, high reliability and controllable precision is carried out on a full-scale track system, and an im