大蒜播种机排种器及开沟器设计与控制(摘选)  

Design and Control of Metering System and Furrow Openers for Garlic Planter

作　　者：Jiraporn Benjaphragairat Hai Sakurai Nobutaka Ito 

机构地区：[1]泰国曼谷市先皇技术大学工程学院农业工程系,泰国曼谷10520 [2]不丹皇家政府农业部农业机械中心(AMC) [3]日本国立三重大学生物资源学院国际学生中心

出　　处：《农业工程》2011年第2期109-110,113,共3页AGRICULTURAL ENGINEERING

摘　　要：目前的大蒜播种机为8行式,本研究侧重于通过减少播种机的设计方案以增加播种能力,通过增加最佳行数和种子均匀度来增加田间作业效率。对于新设计的10行式大蒜播种机,来自农场的测试结果以下列标准为基础:工作速度1·68km/h,输种管高于地面30cm,且为最低变量。田间工作效率0·13hm2/h,株距11·73cm,打滑率10·36%。开沟器为靴式,2行,行间距为250mm,拉力为10·3N/行,且保持不变。大蒜平均发芽率为74·57%,平均单产26919kg/hm2,而农户的平均种植产量为30419kg/hm2。人力种植的精度值为20·93%,而10行大蒜播种机的精度值平均为21·0%。Presently, the garlic planter is an 8-rowtype. This research has focused on increasing the planter capacity by reducing the draft of the planter, increasing the field efficiency by increasing the optimum number of rows and increasing the uniformity of the seed. For the 10-rowgarlic planter, the test results obtained fromthe farmer′s field were based on the following criteria: working speed 1·68 km/h, height of the seed delivery tube above ground level 30 cm, which was the lowest variation. The field capacity was 0·13 hm2/h and plant spacing was 11·73 cm. The percentage of slip was 10·36%. The furrow opener is a shoe type, placed in two lines with spacing of 250 mm between the lines. It gave a constant draft force of about 10·3 N/row. The percentage of germination was 74·57%. The average yield was 26 919 kg/hm2, whilst the average yield of planting by the farmer was 30 419 kg/hm2. The precision value for human planting was 20·93% while the 10-rowgarlic planter was 21·0%, on average.

关 键 词：大蒜 播种机 高度 角度 输种管 拉力 

分 类 号：S223.23[农业科学—农业机械化工程]