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当前位置: 首页 > 文章 > 双垄耕作施肥喷药覆膜机工作参数优化 农业机械学报 2016,47 (1) 83-90
Position: Home > Articles > Parameters Optimization of Operation Machine for Tillage-fertilization and Spraying-filming on Double Ridges Transactions of the Chinese Society for Agricultural Machinery 2016,47 (1) 83-90

双垄耕作施肥喷药覆膜机工作参数优化

作  者：
戴飞;赵武云;马明义;王久鑫;石林榕;马军民
单  位：
甘肃洮河拖拉机制造有限公司;甘肃农业大学工学院
关键词：
全膜双垄沟;联合作业机;参数优化
摘  要：
为进一步改进双垄耕作施肥喷药覆膜机工作性能,以作业机前进速度、土壤升运器速度、覆土侧流槽角和覆土直流槽角为自变量,采光面地膜机械破损率为响应值,依照Box-Behnken试验设计原理,采用四因素三水平响应面分析方法,建立了各因素与采光面地膜机械破损率之间的数学模型,并对各因素及其交互作用进行分析。试验结果表明:4个因素对采光面地膜机械破损率影响的主次顺序为:土壤升运器速度、作业机前进速度、覆土侧流槽角和覆土直流槽角;作业机最佳工作参数为:土壤升运器速度0.67 m/s、作业机前进速度0.70 m/s、覆土侧流槽角75°和覆土直流槽角48°。验证试验表明,采光面地膜机械破损率均值为0.216%,较优化前有显著下降。
译  名：
Parameters Optimization of Operation Machine for Tillage-fertilization and Spraying-filming on Double Ridges
作  者：
Dai Fei;Zhao Wuyun;Ma Mingyi;Wang Jiuxin;Shi Linrong;Ma Junmin;School of Engineering,Gansu Agricultural University;Gansu Tao River Tractor Manufacturing Co.,Ltd.;
关键词：
whole plastic-film mulching on double ridges;;combined operation machine;;parameters optimization
摘  要：
The furrow sowing with whole plastic-film mulching on double ridges had been widely used in the arid region of northwest China,because it could resist drought and increase production. So the mechanical plowing and filming on seedbed was an inevitable trend in farming. For further study of the improved working performance of operation machine for tillage-fertilization and spraying-filming on double ridges,the Box-Behnken experimental design with four factors and three levels was performed,parameters such as operation machine speed,soil elevator speed,lateral flow angle of covering unit and straight flow angle of covering unit were selected as independent variables,which would influence mechanical damage rate of daylighting mulch. The mathematical model was established,then the effects of various parameters and their interactions were analyzed as well. The test results showed that effects order of four parameters on mechanical damage rate of daylighting mulch were as follows: soil elevator speed,operation machine speed,lateral flow angle of soil covering unit and straight flow angle of soil covering unit. The optimal working parameters were combined operation machine speed of 0. 67 m / s,soil elevator speed of 0. 70 m / s,lateral flow angle of soil covering unit of 75° and straight flow angle of soil covering unit of 48°. Confirmatory tests showed that the average value of mechanical damage rate of daylighting mulch was 0. 216%,which compared with the optimization before,had dropped significantly,and also avoided mechanical damage of daylighting mulch under this condition.

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