CRH5型动车组三级修时将原车轮踏面XP55型改为XP55-28经济型蹯面,为此,在车轮镟修时极大减小了车轮直径的切削量,延长了轮对的使用寿命.文中介绍了XP55-28经济型踏面形状,同时对检测样板制作过程进行了分析.

介绍了专为既有铁道客车照明系统设计开发的新型LED灯管的结构和原理,为LED灯在铁道客车上快速推广运用提供了技术方案.

文章对时速160公里25T型客车车载安全监测诊断系统的加速度传感器工作原理及故障原因进行分析,通过增加输入稳压模块、提高焊接工艺等改进措施,消除因设计结构不合理和焊接工艺不良等造成的缺陷,保证加速度传感器制造质量.

介绍了南非城际列车的原始制造依据，同时按照 ARR 及 TB/T 1463-2006标准要求，通过优化设计，实现了南非轮对中国化设计制造。

The causes to failure of the nickel alkali storage battery are analyzed. The recovery technology, especially the "three-section type" "3-charge and 2-discharge" inspection and repair technology for recovery of storage battery capacity, is described.

The tread shapes of the 3 types of CRH high-speed EMU Wheels including LMA,CN,XP55 are different in the inspection of wheel flange and tread.Unifying the measuring basis could simplify the wheel measurement in practice.The paper introduces the structure of the measurement tool for wheel flange and tread based on the unified measuring basis,also introduces the method used to measure the key parameters of the 3 types of wheel tread by this measurement tool.

时速高于140km的部分铁路客车及特殊车辆在新造设计时采用整套进口制动夹钳机构,在车辆大修时须对其进行分解检修、更换易损零件。由于配件难以采购、国外检修周期长及检修成本过高等因素制约,需要对其进行国产化改造。以我国早期制造的动力集中型车组为例,阐述进口制动单元及夹钳机构国产化改造设计,以此解决其日常维护及检修难题,满足车辆正常安全运营需求。

This paper analyzes the malfunctions and design faults which are discovered during the running of "shenzhou" double - deck DMU in the last seven years,and we reconstruct and innovate the DMU by the means of designing,measuring,producing samples and testing in the factory which has the qualifications and working conditions for A4 maintainance.Through innovations we can eliminate the original design and manufacture defects,and prolong parts of fittings' working life,and resume their basic capability.All this can ensure the running demand of safety,comfort and high efficiency.

对目前运用在提速车、动车组、城轨车辆的密接式钩缓装置结构及工作原理进行分析,同时着重研究和探讨密接式钩缓装置检修范围、检修标准及检修手段。

蓝箭动车组是铁路新型运输设备,由动力车和拖车组合而成,是集动力、安全控制、旅客运载、旅客服务各项设备为一体的列车组,通过D级修理,初步探讨动车组的检修模式.

分析了"蓝箭"动车组供电系统输出DC600V电压纹波峰值超标,导致拖车组DC600V逆变器损坏的原因,采取增加过压保护装置,改善输出电源品质,保证拖车逆变电源装置能正常工作。