干旱区生态环境知识资源中心(Arid): 旱区全膜双垄沟播履带式玉米联合收获机的设计

Arid

	旱区全膜双垄沟播履带式玉米联合收获机的设计
其他题名	Design of crawler type corn combine harvester for whole plastic film mulching on double ridges in arid regions
	辛尚龙 1; 赵武云 1; 戴飞 1; 石林榕 1; 李东 1; 吕德玉 2; 马海军 3
来源期刊	农业工程学报
ISSN	1002-6819
出版年	2019
卷号	35 期号:14 页码:1-11
中文摘要	针对中国北方旱地全膜双垄沟播玉米种植方式,解决玉米收获过程中的摘穗啃伤、田间作业垄上行走稳定性差及玉米茎秆回收再利用问题,设计了一种履带式玉米穗茎兼收型联合收获机,以及配套的立辊式摘穗割台和茎秆切碎抛送装置。设计的非对称立辊式对行收割结构,可适应玉米全膜双垄沟播收获作业要求,实现了穗茎兼收,提高了秸秆利用率,并总结了立式割台间隙夹持-倾斜喂入-滑动摘穗的立式摘穗收获机理。利用立式摘穗试验样机,以机具前进速度、主动链轮转速、摘穗辊直径、切碎刀轴转速为影响因素,果穗损失率、茎秆切碎合格率为评价指标,进行了二次旋转正交组合试验。通过Design-expert 8.0.6数据分析软件,建立各影响因素与指标的数学回归模型,分析了显著因素与评价指标之间的关系,优化试验参数,确定最优参数组合:在机具前进速度3.8 m/s、主动链轮转速1 150 r/min、摘穗辊直径82 mm、切碎刀轴转速1 650 r/min时,果穗损失率为2.61%、茎秆切碎合格率为92.81%。优化模型与田间验证性试验得到的果穗损失率均值2.8%、茎秆切碎合格率均值93.1%相接近,满足旱区全膜双垄沟播玉米收获要求。
英文摘要	The technology of corn whole plastic film mulching on double ridges has become the main production mode of corn planting in arid regions of Northwest China, which provides an effective technical way for corn yield stabilization. Compared with the vertical roller corn combine harvester, the traditional horizontal roller corn combine harvester is not easy to achieve both ear and stalk under this cultivation mode. The existing vertical roller corn combine harvester has some problem such as unstable walking on ridges, high ear loss rate on cutting platform, and inconsistent quality of stalk cutting with feeding requirements when harvesting in the field. In order to solve the stability of the ridge harvester, we adopted a crawler type walking device, and then designed a vertical corn harvester cutting platform to achieve the recovery of corn stalk while harvesting corn ears. Asymmetric vertical snapping roller double roll harvesting structure was designed in this study. It could meet the requirements of corn full-film double ridges furrow sowing. And both ear and stalk could harvest at the same time, which can improve the utilization rate of straw. And the harvesting mechanism of vertical corn harvester cutting platform gap clamping - inclined feeding - sliding picking was summarized. The orthogonal combination experiment of secondary rotation was carried out by using a vertical heading test prototype, taking the forward speed of the machine, the rotation speed of drive sprocket, the diameter of snapping roller and the rotation speed of cutter shaft as the influencing factors. And the ear loss rate and the qualified rate of cutting stalk were the evaluation parameters. Through the Design-Expert 8.0.6 data analysis software, the mathematical regression model of each influencing factor and index was established, the relationship between the significant factor and the evaluation index was analyzed, and the test parameters were optimized. The optimum parameters of the optimization model were determined as follows: when the forward speed of the machine was 3.8 m/s, the rotation speed of the drive sprocket was 1 150 r/min, the diameter of snapping roller was 82 mm, and the rotation speed of cutter shaft was 1 650 r/min, the ear loss rate was 2.61%, and the qualified rate of the cutting stalk was 92.81%. The optimum model was close to the average ear loss rate of 2.8% and the average qualified rate of the cutting stalk of 93.1% obtained from field validation test, which met the requirements of corn harvest in arid regions of China.
中文关键词	农业机械 ; 设计 ; 优化 ; 旱区 ; 玉米 ; 全膜双垄沟播 ; 收获割台 ; 立式摘穗辊
英文关键词	agricultural machinery design optimization arid regions corn whole plastic film mulching on double ridge header of corn combine harvester vertical snapping rolls
语种	中文
国家	中国
收录类别	CSCD
WOS类目	AGRICULTURAL ENGINEERING
WOS研究方向	Agriculture
CSCD记录号	CSCD:6550236
来源机构	甘肃农业大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/239352
作者单位	1.甘肃农业大学机电工程学院, 兰州, 甘肃 730070, 中国; 2.山东丰神农业机械有限公司, 德州, 山东 253300, 中国; 3.甘肃洮河拖拉机制造有限公司, 定西, 730500
推荐引用方式 GB/T 7714	辛尚龙,赵武云,戴飞,等. 旱区全膜双垄沟播履带式玉米联合收获机的设计[J]. 甘肃农业大学,2019,35(14):1-11.
APA	辛尚龙.,赵武云.,戴飞.,石林榕.,李东.,...&马海军.(2019).旱区全膜双垄沟播履带式玉米联合收获机的设计.农业工程学报,35(14),1-11.
MLA	辛尚龙,et al."旱区全膜双垄沟播履带式玉米联合收获机的设计".农业工程学报 35.14(2019):1-11.