Electric service comprehensive test system for track circuit

The invention relates to the field of railway track circuit compensation capacitor detection, in particular to an electric service comprehensive test system for a track circuit. The system comprises a vehicle body, a host and a display gauge outfit; guide wheel frames are arranged at the front end and the rear end of the bottom face of the vehicle body; a front guide wheel and a rear guide wheel are rotationally connected to the guide wheel frames located at the front end and the rear end of the vehicle body respectively; and a distance measuring wheel frame is further arranged at the bottom of the vehicle body and located between the two guide wheel frames; the distance measuring wheel frame is provided with a damping support, and the damping support is rotatably connected with a distance measuring wheel; the distance measuring wheel is provided with a Hall sensor; and the front end of the bottom of the vehicle body is provided with an induction coil. The host comprises a lithium battery unit, a signal adjus