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西丰县德丰林场,在林木采种工具改革中,制成移动式双臂梯,可供树木采种,果树修枝、采收以及园林 树木修剪等使用.双臂梯构造简单,操作方便,作业安全.移动式双臂梯,用平衡杠支撑,主梯高3.32米,副梯高2.02米,梯组最大高度6.34米.梯组最大开张角时,主、副梯顶点距离4.5米.最小开张角时,主副梯顶点距离3.1米.一台梯可容4人同时作业.主副梯采用折叠式联接,方便作业和运输.
Xifeng County, Defeng Forest Farm, in the reform of tree species collection tools, made of mobile double-arm ladder for tree seed, tree pruning, harvesting and garden tree pruning etc. The double-arm ladder is simple in construction, convenient in operation and safe in operation Mobile double-arm ladder, with balance bar support, the main ladder height 3.32 meters, secondary ladder height 2.02 meters, ladder group maximum height of 6.34 meters.The ladder group maximum opening angle, the main and auxiliary ladder apex distance of 4.5 meters.The minimum opening angle When the main and auxiliary ladder vertex distance of 3.1 meters, a ladder can accommodate 4 people at the same time operations. The main and auxiliary ladder folding connection, easy operation and transport.