Powertrain mounting dynamic multidimensional displacement test sensor

The invention provides a powertrain mounting dynamic multidimensional displacement test sensor, which comprises a translation guide plate, wherein the translation guide plate is provided with a resistance tape; two ends of the resistance tape are independently connected with an external power supply input end; a rotary guide plate is arranged above the resistance tape; the axial center of the rotary guide plate is provided with a translation contact; the rotary guide plate is connected with the resistance tape through the translation contact; an unsealed resistance loop is arranged above the rotary guide plate; the end points of the resistance loop are independently provided with contacts which are fixedly connected with the resistance tape; the resistance loop is provided with a rotary contact driven by the rotary guide plate; and one end of a guide rod is fixed on the rotary guide plate, and the other end of the guide rod is hinged to a displacement detection rod. By use of the sensor, under a working condi