On-board automated track inspection device of urban rail transit vehicles

With the increasement of running mileage of Chinese mass transit vehicles,the inspection work of maintenance department is becoming more and more heavy. This paper recommends installing automated track inspection system on the urban rail transit vehicles which is original of foreign advanced experience. Using the running time to complete track inspection,which provides the reference data to manual inspection pattern and large-scale professional facilities inspection pattern,and ensures the safety and steadiness of the vehicles running.