密植果园挖穴施肥机挖穴钻头的设计及试验研究  

Design and Test Research of Digging Drill of Burrowed Fertilizer Applicator Used in Close Planting Orchard

作　　者：张洪[1] 张学军[1] 鄢金山[1] 史增录[1] 牟国良[1] 于蒙杰[1] 

机构地区：[1]新疆农业大学机械交通学院,新疆农业工程装备创新设计实验室重点实验室,乌鲁木齐830052

出　　处：《农业科技与装备》2013年第2期39-41,共3页Agricultural Science & Technology and Equipment

基　　金：新疆农业生产中亟需的微小型农机具研发项目(XNJKY2010-05)

摘　　要：为解决新疆密植果园施肥效率低、劳动强度大的问题,研制一种挖穴施肥机,详细介绍挖穴钻头的螺旋外径、长度、螺旋升角、临界转速和功率等参数计算。田间正交试验及调整挖穴深度试验表明:影响挖穴时间的因素主次顺序为土壤坚实度、钻头转速、土壤含水量;挖穴深度在400～600mm之间,直径为300～310mm,最长挖穴时间16s。A burrowed fertilizer applicator is developed to be used in close planting orchards to solve such problems as low efficiency of close planting orchard fertilization and the heavy labor intensity in Xinjiang. This article expounds on the calculation of such parameters as screw diameter, length, helix angle, critical speed, and power. Field orthogonal test and digging depth adjustment tests show that factors influencing digging time are ordered as soil solid degree, bit speed and soil moisture content and when digging hole depth is 400 mm to 600 mm and holes diameter is 300 mm to 310 mm, the longest time for digging a hole is 16 s.

关 键 词：挖穴施肥机 临界转速 正交试验 挖穴深度 钻头转速 

分 类 号：S224.21[农业科学—农业机械化工程]