根据地下的特殊工作环境采用高频共振解调技术研制了一种便携快速的防爆振动监测仪介绍了仪器的工作原理和数据采集方法对煤矿井下运输机械进行了有效的工况监测和故障诊断 According to the underground special working environment, a high-frequency resonance demodulation technique was used to develop a portable and rapid explosion-proof vibration monitor. The working principle and data acquisition method of the instrument were introduced. Effective condition monitoring and fault diagnosis of coal mine transportation equipment were carried out.