叠片式啮合圆弧齿轮排肥器设计与仿真试验

doi:10.13304/j.nykjdb.2019.0675

中国农业科技导报 ›› 2020, Vol. 22 ›› Issue (5): 78-85.DOI: 10.13304/j.nykjdb.2019.0675

叠片式啮合圆弧齿轮排肥器设计与仿真试验

顿国强1，于春玲1，郭艳玲1*，杨永振1，叶金1，纪文义2，刘宇轩1

1. 东北林业大学机电工程学院，哈尔滨 150040；2.东北农业大学工程学院，哈尔滨150030

收稿日期:2019-08-21 出版日期:2020-05-15 发布日期:2019-11-20
通讯作者: *通信作者郭艳玲 Email：guo.yl@hotmail.com
作者简介:顿国强 Email：dunguoqiang1986@163.com；
基金资助:
国家重点研发计划项目（2018YFD0201004）；中央高校基本科研业务费专项（2572017BB10）;中央高校建设世界一流大学（学科）和特色发展引导专项资金暨双一流经费项目（41113278）；东北林业大学大学生国家级创新训练计划项目（201910225466）。

Design and Simulation Test of Laminatedtype Meshing Arc Gear Fertilizer Device

DUN Guoqiang1，YU Chunling1，GUO Yanling1*，YANG Yongzhen1，YE Jin1，JI Wenyi2，LIU Yuxuan1

1.College of Mechanical and Electrical Engineering, Northeast Forestry University, Harbin 150040, China；2.College of Engineering, Northeast Agricultural University, Harbin 150030, China

Received:2019-08-21 Online:2020-05-15 Published:2019-11-20

摘要/Abstract

摘要： 为达到稳定排肥、排肥流量可调控的目的，设计了改善排肥流量均匀性的叠片式啮合圆弧齿轮排肥器。通过对排肥器结构设计与理论分析确定影响叠片式啮合圆弧齿轮排肥器排肥量的主要因素为排肥器工作槽长与排肥轮转速。设计仿真试验研究排肥器排肥量随影响因素变化规律，对结果进行台架试验验证。结果表明：选取排肥量变化曲线拟合斜率表征排肥流量，发现排肥流量可调控且与工作槽段长度、排肥轮转速存在线性关系，线性拟合结果显示校正决定系数分别为0994、0990；试验值与仿真值相对误差值较小，仿真试验结果可靠；与外槽轮式排肥器相比变异系数平均减小65%，排肥流量均匀性有了较大的提高。该结果对排肥器的创新设计与理论研究提供了参考。

关键词: 排肥器, 圆弧齿轮, EDEM, 排肥流量, 排肥均匀性

Abstract: In order to achieve stable and adjustable fertilizer discharge, a cascade mesh circular arc gear fertilizer device was designed to improve the uniformity of discharge. By distributing structure design and theoretical analysis, length and speed of the fertilizer wheel were the main factors that affected the flow of folding plate mesh circular arc gear fertilizater device. This paper designed simulation test to research the change rule of of the amount of the fertilizer discharge with the influence factors and verified the results by bench test.The test results showed that the fitting slope of the variation curve of fertilizer discharge was selected to represent the fertilizer discharge flow. It was found that the amount of fertilizer discharge was regulated and there was a linear relationship between the discharge and the length of working groove and the rotation speed of the fertilizer discharging wheel. The linear fitting results showed that the correction determination coefficients were 0994 and 0990, respectively. The relative error between the test value and the simulation value was small, and the simulation test results were reliable. The coefficient of variation decreased by 65% on average compared with the outer trough wheeled fertilizer exhauster, which indicated the uniformity of fertilizer discharge was greatly improved. These reaults provided reference for innovative designing and theoretical research of fertilizer discharge device.

Key words: fertilizer device, arc gear, EDEM, fertilizer flow, discharging uniformity

顿国强1，于春玲1，郭艳玲1*，杨永振1，叶金1，纪文义2，刘宇轩1. 叠片式啮合圆弧齿轮排肥器设计与仿真试验[J]. 中国农业科技导报, 2020, 22(5): 78-85.

DUN Guoqiang1，YU Chunling1，GUO Yanling1*，YANG Yongzhen1，YE Jin1，JI Wenyi2，LIU Yuxuan1.

Design and Simulation Test of Laminatedtype Meshing Arc Gear Fertilizer Device

[J]. Journal of Agricultural Science and Technology, 2020, 22(5): 78-85.

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叠片式啮合圆弧齿轮排肥器设计与仿真试验

Design and Simulation Test of Laminatedtype Meshing Arc Gear Fertilizer Device

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