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本文介绍了上海机务段在应用从英国引进设备修复ND_2型机车柴油机喷油嘴时遇到的一些问题及为了解决这些问题对喷油嘴针阀结构所做的改进,以及改进后喷油嘴装车水阻对比试验、运行考核试验及喷油嘴性能试验的结果。还介绍了上海机务段为进一步提高喷油嘴检修质量对喷油器检修工艺所做的改进和改进后的喷油器装车使用取得的节油经济效益。
This article introduces some problems encountered by Shanghai Locomotive Depot in the application of equipment imported from Britain to repair ND2 locomotive diesel engine injectors and the improvements made to the needle valve structure of injector in order to solve these problems. Car water resistance contrast test, run the test and nozzle performance test results. Also introduced in Shanghai Locomotive Depot to further improve the quality of fuel injector overhaul of the injector overhaul made improvements and improved fuel injector fuel economy achieved by the use of the economy.