朝阳市是辽宁省设施农业主要产区之一。在设施农业生产过程中,黄瓜、新品种角瓜等生长期较长的作物,每年种两茬,每茬需要8～10次降苗作业。传统的方法是人工逐棵秧手工降苗,效率低,人在棚内停留时间长,劳动强度大,广大设施农业种植户迫切需要一种机械降苗工具。为此,辽宁省朝阳市 Chaoyang City, Liaoning Province, one of the major producing areas of agricultural facilities. In the process of agricultural production facilities, cucumbers, new varieties of melon and other growing longer crops, planting two stubbles per year, each stubble need 8 to 10 seedlings operations. The traditional method is manual seedling seedlings by seedlings, low efficiency, people in the shed to stay a long time, labor-intensive, the majority of facilities for agricultural growers urgently need a mechanical seedling reduction tools. To this end, Chaoyang City, Liaoning Province