在伐木作业中,工人们为了避免掌握不好树倒方向或树木突然从根部劈裂而伤人,经常采用人力打锯楔的方法。这种方法不仅劳动强度大,效率低,而且并不安全,经常摔伤或砸伤母树幼树。东北林业大学与上海华光工具厂研制成功了手压泵伐木楔,有效地解决了上述问题,并于今年5月通过技术 In logging operations, workers often use manual jigsaws to avoid getting caught in the wrong direction or by suddenly splitting trees from the roots. Not only is this method labor-intensive, inefficient, and unsafe, it often hurts or hurts young tree saplings. Northeast Forestry University and Shanghai Huaguang Tools Factory succeeded in developing a hand-pressure pump cutting wedge, effectively solve the above problems, and in May this year, through technology