Evaluation of Behavior Characteristics for Hydraulic Setting and Locking Cylinders of High-speed Turnout

초록

The hydraulic turnout-operating system for high-speed turnouts has been applied on the second phase of Kyungbu high-speed railway line for the first time in Korea. For overcoming beginning problems occurred on the stabilizing stage, the monitoring systems had been established to record the information for setting forces of hydraulic setting and locking cylinders for all operation. This obtained data were analyzed and helped us solve the troubles for it. In this paper, we want to report about the test procedure and the analysis of test results to be performed in order to evaluate the behavior characteristics for hydraulic operating cylinders of the F46 high-speed turnout for 300km/h during setting and locking operation. The setting force for each normal cylinder was obtained by using pressure sensors and recorded by the monitoring systems for each site. For the abnormal cylinders causing high setting forces, the displacement and force was measured by using the cable extension position transducer, digital flow meter and load cell. From the analysis of measurement results, we realized the behavior characteristics for hydraulic operating cylinders with high setting force on the point and crossing parts of turnout and finally proposed the improving solutions for problems. We also realized the relation between the setting force and the circuit of hydraulic operating cylinders through the analysis of the behavior characteristics for them.