石家庄上下行驼峰编组场每月通过缓行器设备解体车辆钩数平均人11100钩。在解体车辆、缓行器设备进行调速时,缓行器的制动轨抱夹车辆车轮,因机械磨擦而产生高频噪声。 据铁路卫生防疫站检测,在距离缓行器3米处测得高频噪声值达125—132分贝;在上下行距离缓行器设备22米的大缓工 Shijiazhuang Hurricane up and down the formation of the field through the device every day by the device bursts vehicle hook average number 11100 hook. In the disintegration of vehicles, slow device for speed control device, the retarder’s brake track to clamp the vehicle wheels, due to mechanical friction and high-frequency noise. According to the railway health and epidemic prevention station testing, at a distance of 3 meters at a high-frequency noise measured 125-132 dB; slow down in the up and down equipment 22 meters large slow down