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Design and Operating Parameters Optimization of the Hook-and-Tooth Chain Rail Type Residual Film Picking Device

文献类型： 外文期刊

作者： Cao, Silin 1 ; Xie, Jianhua 1 ; Wang, Hezheng 4 ; Yang, Yuxin 5 ; Zhang, Yanhong 1 ; Zhou, Jinbao 1 ; Wu, Shihua 1 ;

作者机构： 1.Xinjiang Agr Univ, Coll Mech & Elect Engn, Urumqi 830052, Peoples R China

2.Xinjiang Acad Land Reclamat Sci, Mech Equipment Res Inst, Shihezi 832000, Peoples R China

3.Xinjiang Key Lab Intelligent Agr Equipment, Urumqi 830052, Peoples R China

4.Shihezi Univ, Coll Mech & Elect Engn, Shihezi 832000, Peoples R China

5.Xinjiang Acad Agr Sci, Inst Agr Mechanizat, Urumqi 830091, Peoples R China

关键词： residual film recovery device; EDEM; virtual simulation; response surface regression model; parameters optimization

期刊名称：AGRICULTURE-BASEL （ 影响因子：3.408； 五年影响因子：3.459 ）

ISSN：

年卷期： 2022 年 12 卷 10 期

页码：

收录情况： SCI

摘要： We attempt to solve the current problems of high impurity content and the poor reliability of chain harrow type residual film recovery machines when picking up residual film. This study makes a device for picking up residual film with a hook-and-tooth chain rail. First, we conducted an analysis of the trajectory of the tip movement of the hooked teeth in the designed picking device, with the condition that the residual mulch does not miss the picking, and the force conditions of the residual mulch in the conveying process and the collection process are presented. Secondly, to determine the optimal working parameters of the picking device, a three-factor, three-level response surface optimization test was conducted with the machine forward speed, hook tooth entry depth, and chain harrow input speed as the test factors and the residual film picking rate and the impurity rate of residual film as the test indexes. In addition, a response surface regression model was developed to analyze the effects of the selected factors on the picking device. When the forward speed of the machine was 1.62 m/s, the hook tooth entry depth was 38.51 mm, and the input speed of the chain harrow was 241.42 rpm, the pickup rate and the impurity rate of the residual film were 88.27% and 9.96%, respectively. Finally, the simulation test was carried out under optimal working conditions, with the maximum force of the hook teeth being 60.7 N, the maximum deformation being 31.42 mm, and the maximum stress being 215.33 Mpa. This study can be used as a guide to further improve the design of the residual film recovery machine.

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