由天津东车辆段研制的《TZ—Ⅰ型便携式铁路车辆滚动轴承探测仪》目前通过技术鉴定并获得国家专利。这种便携式车辆轴承探测仪的研制成功。解决了车辆检修工人“隔皮看瓤”的难题,填补了我国铁路车辆滚动轴承故障探测设备的空白,为正确判明、妥善处理滚动轴承故障,实现减少或消灭车辆燃、断轴事故,提供了新装备、新技术。 TZ-Ⅰ portable railway rolling stock detector developed by Tianjin East Vehicle Depot passed the technical appraisal and obtained the national patent at present. This portable vehicle bearing detector successfully developed. Solve the problem of vehicle inspection workers “look at the skin” to fill the blank of rolling stock fault detection equipment for railway vehicles in our country, in order to correctly identify, properly handle the rolling bearing failure, to reduce or eliminate vehicle ignition, broken shaft accident, providing new equipment ,new technology.