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介绍了出口巴基斯坦SDD22型交直流电传动宽轨内燃机车的总体布局、主要技术参数及性能特点,着重阐述了机车柴油机、电气系统、车体及转向架、制动系统、辅助系统的组成及工作原理,分析了开发该机车的主要难点及应对措施、机车主要特点及创新性。机车可以满足印度、阿根廷等国1 676 mm宽轨及高温多风沙运用环境的国家运用,也可以通过换装1 520 mm宽轨、准轨或米轨转向架,推广到中亚、非洲、南美等国。
This paper introduces the general layout, main technical parameters and performance characteristics of SDD22 AC / DC transmission wide-track diesel locomotive exported to Pakistan. It mainly expounds the composition and working principle of locomotive diesel engine, electrical system, body and bogie, brake system and auxiliary system , Analyzed the main difficulties and measures to develop the locomotive, the main features and innovation of the locomotive. The locomotive can meet the national application of 1 676 mm wide-gauge track and high-temperature and multi-wind sand environment in countries such as India and Argentina. It can also be extended to Central Asia, Africa and South America by replacing 1 520 mm wide gauge, Other countries.