一种基于离散元摩擦因数测定仪改进设计
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摘要
种子的摩擦角反映了物料与接触固体表面间的摩擦性质。原有摩擦因数测定仪在测定物料摩擦因数时,由于受振动和抖动等外界因素影响,导致测试结果不准确。为此,基于原有的摩擦因数测定仪,通过增加螺杆、螺母,以及通过改变螺杆的长度改进其斜面板上升的速度,从而实现摩擦因数仪的微调,使得测试结果更加准确。离散元仿真与实验结果:该仪器可以提高物料摩擦因数测定的准确性。
The friction Angle of seed reflect the material and the friction properties of contact between a solid surface.When the original friction coefficient tester in the determination of the coefficient of friction material,due to external factors,such as vibration and jitter lead to inaccurate test results. Of this study is based on the friction coefficient of the original device,by increasing the screw,nut,by changing the length of the screw cant improve its board at the speed of the rise,so as to realize the fine-tuning of the coefficient of friction tester,make the test results more accurate,and through the discrete element simulation and experimental study,the accuracy of the determination of the instrument can improve the coefficient of friction material.
The friction Angle of seed reflect the material and the friction properties of contact between a solid surface.When the original friction coefficient tester in the determination of the coefficient of friction material,due to external factors,such as vibration and jitter lead to inaccurate test results. Of this study is based on the friction coefficient of the original device,by increasing the screw,nut,by changing the length of the screw cant improve its board at the speed of the rise,so as to realize the fine-tuning of the coefficient of friction tester,make the test results more accurate,and through the discrete element simulation and experimental study,the accuracy of the determination of the instrument can improve the coefficient of friction material.
引文
[1]王飞,岳光华,兰云松.摆式摩擦系数测定仪改进措施的研究[J].黑龙江交通科技,2014(8):8-9.
[2]崔涛,刘佳,杨丽,等.基于高速摄像的玉米种子滚动摩擦特性试验与仿真[J].农业工程学报,2013,29(15):34-41.
[3]韩燕龙,贾富国,唐玉荣,等.颗粒滚动摩擦系数对堆积特性的影响[J].物理学报,2014,63(17):1-7.
[4]张民,姚珺,李明.种子休止角与静滑动摩擦系数测量仪[J].农业装备与车辆工程,2012,50(11):42-45.
[5]雷攀,杨连发,易亮.金属塑性成形时的摩擦系数测量技术[J].装备制造技术,2010(12):5-8.
[6]武少文,虞仲博,魏全香.摩擦系数测定仪的研制[J].实验技术与管理,2000,17(4):62-65.
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[13]程绪铎,安蓉蓉,曹阳,等.小麦、稻谷及玉米内摩擦角的测定与比较研究[J].食品科学,2009,30(15):86-89.
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[17]马征,李耀明,徐立章.农业工程领域颗粒运动研究综述[J].农业机械学报,2013,44(2):22-29.
[18]杨作梅,郭玉明,崔清亮,等.谷子摩擦特性试验及其影响因素分析[J].农业工程学报,2016,32(16):258-264.
[19]牟光辉,郭锦山,朱旭,等.林木种子静摩擦系数的实验研究[J].东北林业大学学报,1994,22(2):37,40.
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[21]冯俊小,林佳,李十中,等.秸秆固态发酵回转筒内颗粒混合状态离散元参数标定[J].农业机械学报,2015,46(30):208-213.
[22]王福林,尚家杰,刘宏新,等.EDEM颗粒体仿真技术在排种机构研究上的应用[J].东北农业大学学报,2013,44(2):110-114.
[23]廖庆喜,张朋玲,廖宜涛,等.基于EDEM的离心式排种器排种性能数值模拟[J].农业机械学报,2014,45(2):109-114.
[24]S M Shafaei,S Kamgar.A comprehensive investigation on static and dynamic friction coefficients of wheat grain with the adoption of statistical analysis[J].Journal of Advanced Research,2017(8):351-361.
[2]崔涛,刘佳,杨丽,等.基于高速摄像的玉米种子滚动摩擦特性试验与仿真[J].农业工程学报,2013,29(15):34-41.
[3]韩燕龙,贾富国,唐玉荣,等.颗粒滚动摩擦系数对堆积特性的影响[J].物理学报,2014,63(17):1-7.
[4]张民,姚珺,李明.种子休止角与静滑动摩擦系数测量仪[J].农业装备与车辆工程,2012,50(11):42-45.
[5]雷攀,杨连发,易亮.金属塑性成形时的摩擦系数测量技术[J].装备制造技术,2010(12):5-8.
[6]武少文,虞仲博,魏全香.摩擦系数测定仪的研制[J].实验技术与管理,2000,17(4):62-65.
[7]易建辉,何宁辉.摆式摩擦系数测定仪操作性能的探讨[J].山西建筑,2009,35(2):339-341.
[8]郭启达.JQM-1型胶圈静摩擦系数测定仪[J].纺织器材,1990(2):12-13.
[9]陆凤昆,高中庸.扩展XM-2型摩擦系数测定仪功能的研究[J].广西工程学报,2000,11(1):22-26.
[10]曹宪钧.斜面式摩擦系数测定仪[J].纺织器材,1981(4):31-32.
[11]胡学永.粉体材料动摩擦系数的实验研究[D].北京:北京化工大学,2013.
[12]彭飞,杨洁,王红英,等.小麦粉摩擦特性的试验研究[J].中国粮油学报,2015,30(8):7-12.
[13]程绪铎,安蓉蓉,曹阳,等.小麦、稻谷及玉米内摩擦角的测定与比较研究[J].食品科学,2009,30(15):86-89.
[14]李永钧,何芳,柏雪源,等.颗粒和粉体混合物沿斜滑道的滑动摩擦系数[J].山东理工大学学报,2003,17(4):10-12.
[15]周祖锷.农业物料学[M].北京:中国农业出版社,1994.
[16]皮亚南,樊拾全,刘燕霞,等.林木种子静摩擦系数的测定及滑动速度的计算[J].江西科学,2009,27(2):74-77.
[17]马征,李耀明,徐立章.农业工程领域颗粒运动研究综述[J].农业机械学报,2013,44(2):22-29.
[18]杨作梅,郭玉明,崔清亮,等.谷子摩擦特性试验及其影响因素分析[J].农业工程学报,2016,32(16):258-264.
[19]牟光辉,郭锦山,朱旭,等.林木种子静摩擦系数的实验研究[J].东北林业大学学报,1994,22(2):37,40.
[20]李云雁,胡传荣.试验设计与数据处理[M].北京:化学工业出版社,2008.
[21]冯俊小,林佳,李十中,等.秸秆固态发酵回转筒内颗粒混合状态离散元参数标定[J].农业机械学报,2015,46(30):208-213.
[22]王福林,尚家杰,刘宏新,等.EDEM颗粒体仿真技术在排种机构研究上的应用[J].东北农业大学学报,2013,44(2):110-114.
[23]廖庆喜,张朋玲,廖宜涛,等.基于EDEM的离心式排种器排种性能数值模拟[J].农业机械学报,2014,45(2):109-114.
[24]S M Shafaei,S Kamgar.A comprehensive investigation on static and dynamic friction coefficients of wheat grain with the adoption of statistical analysis[J].Journal of Advanced Research,2017(8):351-361.