The invention relates to the field of ballastless track monitoring, and particularly discloses a bridge ballastless track monitoring system which comprises a static and dynamic testing unit, a fiber bragg grating temperature testing unit and a relative displacement testing unit. The static and dynamic testing unit comprises an intelligent rib and an optical fiber patch strain sensor, the intelligent rib is arranged in the roadbed slab, and the optical fiber patch strain sensor is arranged on the base plate and between the base plate and the bridge; the fiber bragg grating temperature testing unit comprises an optical fiber temperature sensor; the optical fiber temperature sensor is arranged in the roadbed slab; the relative displacement testing unit comprises a mounting round hole, an induction iron plate and a non-contact displacement sensor, the induction iron plate is arranged on the roadbed slab, the induction iron plate is pre-buried in the roadbed slab and located between the two sleepers, and the non-contact displacement sensor is arranged on the mounting round hole and the induction iron plate. The invention aims to provide a bridge ballastless track monitoring system to solve the technical problem of how to automatically monitor.
本发明涉及无砟轨道监测领域,具体公开了桥梁无砟轨道监测系统,包括静动力测试单元、光纤光栅温度测试单元和相对位移测试单元;所述静动力测试单元包括智能筋和光纤贴片应变传感器,所述智能筋设置在道床板内部,所述光纤贴片应变传感器设置在底座板以及底座板与桥梁之间;光纤光栅温度测试单元包括光纤温度传感器,所述光纤温度传感器设置在道床板内部;所述相对位移测试单元包括安装圆孔、感应铁板和非接触式位移传感器,所述感应铁板设置在道床板上,所述感应铁板预埋在道床板内部且位于两个轨枕之间,所述非接触式位移传感器设置在安装圆孔和感应铁板上。本发明的目的在于提供桥梁无砟轨道监测系统,以解决如何自动监测的技术问题。
Bridge ballastless track monitoring system
桥梁无砟轨道监测系统
28.02.2025
Patent
Elektronische Ressource
Chinesisch
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