双动力48磨头钢轨打磨车研制

Development of Dual-power 48 Grinding Stone Rail Grinding Trains

对双动力48磨头钢轨打磨车的三种技术实施路线进行分析,确定了整车采用"柴油发电机组+接触网+交流电传动"的技术路线,并列举了整车的关键技术。介绍了整车的主要结构及性能,并对整车的自运行工况及打磨作业工况的牵引特性进行了计算分析。最后对整车的线路适应性、产品优势、社会效益及试验情况进行了描述。计算分析及试验结果表明:双动力48磨头钢轨打磨车的牵引特性满足长大坡道作业要求,并适应现有各种速度等级的客运专用线路,其车体与转向架强度、动力学性能及作业性能均满足试验标准要求,且具有节能环保、适用于隧道打磨作业的优点。

Three technical implementation routes of the dual-power 48 grinding stone rail grinding trains were analyzed,and the technical route of the trains adopted by“diesel generator set+overhead contact system+AC drive”was determined,then the key technologies of the trains were listed.The main structures and performances of the trains were introduced,and the traction characteristics were calculated and analyzed under the self-running conditions and grinding working conditions respectively.Finally,the railway adaptability,product advantages,social benefits and test conditions of the trains were described.The calculation analysis and test results show that the traction characteristics of dual-power 48 grinding stone rail grinding trains meet the working requirements on long steep grades,and the trains adapt to the existing passenger line of various speed grades,the strength of car bodys and bogies,the dynamics performance and the working performances all meet the requirements of test standards.The trains also have the advantages of energy saving and environmental protection,and are suitable for tunnel grinding.