Improvisation and fabrication of rake test rig used for air brake leakage testing in railways

Abstract

The air brake is the standard train brake used by railways all over the world, and to test the braking system single car test rig is used. It is based on the simple physical properties of compressed air. The Rake Test Rig performs the braking test at Twin Pipe Braking system of coaches. Rake Test Rig used has two pressure gauges that are Feed pipe gauge and Brake pipe gauge. The existing test rig used at workshop has many numbers of conventional joints, complex construction and its weight. The improvisation and Redesigning in test rig construction is implemented to overcome the existing problems and the brake testing procedure is also studied. The improvised design and construction made the test rig more accurate than existing and problems were found to be completely resolved..