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本研究对8种载重卡车、拖拉机驾驶员座位的振动进行测量,均超过ISO 2631—1985规定的暴露极限(E·L)界限值。特别是上海50型拖拉机、解放牌4吨翻斗车更为明显。对490名驾驶员进行了一般查体、心电图检查、视觉运动反应时测定和脊柱骨关节X线摄像,并与162名科室办公人员相对照。腰背痛主诉、血压偏高、心电图节律异常、视觉运动反应时减慢、胸腰椎增生性改变等均有较高的检出率,并随工龄的延长而增加。全身振动及其联合因素对人体健康的影响有必要进一步研究;我国全身振动的卫生标准及防治措施急待研制。
In this study, the vibration of 8 kinds of truck and tractor driver’s seat were measured and all of them exceeded the limit of exposure limit (E · L) stipulated in ISO 2631-1985. In particular, Shanghai 50 tractors, Jiefang 4 ton dump truck is more obvious. A total of 490 pilots were examined by physical examination, electrocardiogram, visual motor response and spinal X-ray imaging of the spine and were compared with 162 departmental staff. Low back pain complaints, high blood pressure, abnormal rhythm of ECG, visual motor response slowed down, thoracolumbar hyperplasia changes have a higher detection rate, and increased with the length of service. Whole body vibration and its combination of factors on human health effects need to be further studied; the health standards of our body vibration and prevention and treatment measures urgently need to be developed.