木材采运是在露天、分散、大面积的环境条件下,用一定的机械和工具改变立木形态和木材位置移动的作业,因之十分笨重和危险.据调查,在黑龙江省1986年森工生产(包括木材加工和基本建设)全部工伤死亡人数中,木材采运占75.5%,发生在27个林业局,占40个林业局的67.5%。在这些事故中,没有一起是不可抗拒的天灾,没有一起是不可避免的人祸,因此,如何减少伤亡事故仍是今后木材采运作业中的首要任务。黑龙江省40个林业局的森工生产1984～1986年三 Wood mining is open, scattered, large-scale environmental conditions, the use of certain machinery and tools to change the shape of standing wood and timber position of the operation, so very heavy and dangerous.According to the survey, in 1986, Heilongjiang Province, forest production Among the total number of work-related injuries (including wood processing and capital construction), 75.5% were timber mined and transported, taking place in 27 forestry bureaus, accounting for 67.5% of 40 bureaus. None of these incidents are irresistible acts of God and no one is inevitable man-made disasters. Therefore, how to reduce the number of casualties is still the most important task in future timber harvesting operations. 40 forestry bureaus of Heilongjiang Province produced 1984 to 1986 III