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本文对地处高寒的我国北方大兴安岭地区近三百名林业工人进行了接触噪声与振动危害的卫生学调研。结果表明,工人的作业条件较艰苦,严寒与较强的噪声与振动使1/3的工人手部有手麻症状,双手的作业能力降低,上下肢关节痛与腰、腿痛较突出,但以白指、指关节肿胀与变形等器质性改变为主的振动性损害则较少,油锯手的白指发生率为5.0%,电锯手的为2.5%。据此,本文推荐了可供林区与其它接振工种参考的接触振动的限度。
In this paper, nearly 300 forestry workers in northern China’s Daxingan Mountains in northern China were exposed to the noise and vibration hazards of health research. The results showed that the working conditions of the workers were more difficult. The severe cold and strong noise and vibration caused the hand of one third of the workers to have the symptoms of hand-to-hand anesthesia, decreased the operating ability of both hands, Oscillation damage was mainly caused by organic changes such as whiteness, swelling and deformation of the knuckles, the incidence of white fingers of chain saws was 5.0%, and that of saws was 2.5%. Accordingly, this paper recommends the limit of contact vibration that can be used as a reference for forest areas and other vibration-absorbing types.