段訾义，齐凯，李会

（大连中车柴油机有限公司，辽宁 大连 116022）

摘要：12V265M型船用柴油机是在铁路内燃机车批量装用的12V265型柴油机基础之上改进设计开发的新产品。文中介绍了12V265M型柴油机的设计开发过程、总体布置和主要性能参数,对12V265M型船用柴油机相对于12V265柴油机的结构设计改进做了较详细的论述,包括增压系统设计、柴油机防火防爆设计、油底壳设计、辅助系统、电控系统等。并对12V265M型船用柴油机进行了试验性能测试,试验结果表明12V265M型柴油机运用状态良好,满足船用柴油机要求。

 关键词：12V265M柴油机；船规

     Abstract: 12V265M marine diesel engine is a new product designed based on 12V265 diesel engines used in locomotives. This paper introduces the design and development process, the overall layout and main performance parameters of 12V265M engine, with the focus on the improvement of its structure design compared to the 12V265 engine, including charging system design, fire-proof and explosion-proof diesel engine design, oil pan design, auxiliary system, electronic control system, etc.. The performance test of 12V265M marine diesel engine is carried out. The test results show that the 12V265M diesel engine is in good condition and meets the requirements of marine diesel engine.

    Keywords:12V265M Diesel Engine；the Ship Rules；the Host and the Auxiliary Machine of a Ship