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西安东车辆段制动室同志对单车试验器进行了加装改造,即在原来的单车试验器的基础上,增设了一个压力表和一个回转阀,成为双回转阀单车试验器,从而改变了一个单车试验器一次只能测试一辆车的状况。如今,西安东站修线所使用的双回转阀单车试验器,一次可以同时充风两辆车。测试中,可依两车之具体情况,将充风、缓解、保压、制动错开作业,交替测试,并能同时进行两辆车的制动机性能检查。
Xi’an East Depot brake chamber comrades on the bicycle tester was retrofitted, that is, in the original bicycle tester, based on the addition of a pressure gauge and a rotary valve, a double-turn valve cycling tester, which changed A bicycle tester can only test the condition of a car at a time. Today, the double-turn valve cycling tester used by Xi’an East Railway Line repairs can charge two cars at a time. Test, according to the specific circumstances of two cars, the filling, mitigation, packing, brake staggered homework, alternate testing, and can simultaneously check the performance of two car brake.