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机车在运用中能稳定工作，在很大程度上取决于其机械设备的可靠性，众所周知，机械设备中包括有：轮对、轴箱部件、齿轮传动装置、车体减振器、电动机电枢轴承和电动机轴承、自动生钩等装置。本文（上）详细地介绍了声振检查仪。这些仪器纳入了由全俄铁路运输科学研究院电气化分院工程科学中心、工作人员与许多工业企业的专家共同研制的《Вектор》系统。其中包括《Кон.тест》轴承状态指示仪、《Вектор－1》光谱分析仪和《Вектор－2》微处理机仪。这些仪器可以在修理和运行中判定电动机电枢轴承和轴箱轴承的状态。机车机械设备零部件最重要的计量学参数是线尺寸。检查线尺寸最有效的是БВ－6375电气装置，它是研制许多自动化测量仪器时要使用的基础微处理组件。例如，该装置已成功地在北高加索铁路局吉玛谢夫机务段投入应用。
Locomotives in operation can be stable, largely depends on the reliability of their machinery and equipment, as we all know, machinery and equipment include: wheel sets, axle box components, gear transmission, body shock absorber, motor armature Bearings and motor bearings, automatic hooks and other devices. This article (above) introduces in detail the Vibration Checker. These instruments have been incorporated into the “Вектор” system, jointly developed by engineers and technicians of many industrial enterprises of the Engineering Science Center of the All-Russia Institute of Railway Science and Technology. These include the “Кон.тест” bearing status indicator, the “Вектор-1” spectrum analyzer and the “Вектор-2” microprocessor. These instruments determine the condition of the motor armature bearings and axlebox bearings during repair and operation. The most important metrological parameter of the locomotive mechanical equipment components is the wire size. The most effective test wire size is the БВ-6375 electrical device, which is the basic microprocessor component used in the development of many automated measuring instruments. For example, the unit has been successfully deployed at the North Caucasus Railway Bureau Gemasev Depot.