“上树脚踏车”是一种专用的采种工具(图1),适于攀登14米以上树冠较高的针叶树。它携带轻便,不伤树干,并且很容易操作,只要练习2—3天就可以学会。两人一组作业,一个是上树采种的工人,一个留在地面。上树前,采种工把“上树脚踏车”的钢条围在树干上,不宜太紧。用螺丝固定钢条的位置。上树工人把脚套在脚镫里。采种工向上攀登,一只脚向上滑行,全身的重量便落在另一只脚的钢条上。只要人的脚不碰到树皮,人的重量完全可由“脚踏车”所承受。人的脚要碰树皮时,就应调整钢条的松紧(图 “On the tree bike ” is a dedicated seed collection tool (Figure 1), suitable for climbing higher conifers above the canopy of 14 meters. It carries light, does not hurt the trunk, and is very easy to operate, as long as 2-3 days to practice can learn. A group of two homework, one is the tree planting workers, one to stay on the ground. On the tree, the seed-picking workers around the tree trunks, “should not be too tight.” Secure the position of the bar with screws. The tree worker put his foot in the temples. Seed laborers climbed upwards and one foot glided upward, leaving the weight of the whole body on the steel strip of the other foot. As long as the human foot does not touch the bark, the weight of a person can be borne by the “bicycle”. People’s feet to touch the bark, you should adjust the tightness of steel (Figure