Design and parameter optimization of spiral-dragon type straw chopping test rig

作     者：Pengbo Ma Liqiao Li Baoqin Wen Yunheng Xue Za Kan Jingbin Li 

作者机构：College of Mechanical Electrical EngineeringShihezi UniversityShihezi 832000China Key Laboratory of Northwest Agricultural equipmentMinistry of Agriculture and Rural AffairsShihezi 832000China 

出 版 物：《International Journal of Agricultural and Biological Engineering》 (国际农业与生物工程学报（英文）)

年 卷 期：2020年第13卷第1期

页      面：47-56页

核心收录：

学科分类：0710[理学-生物学] 0810[工学-信息与通信工程] 1003[医学-口腔医学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0812[工学-计算机科学与技术（可授工学、理学学位）] 10[医学] 

基　　金：The authors acknowledge that this work was financially supported by the National Natural Science Foundation of China(No.51775358) the Young and Middle-aged Leaders in Science and Technology Innovation(No.2016BC001) Third Division Meat Sheep Breeding Mechanized Science and Technology Commissioner Innovation and Entrepreneurship Demonstration(No.2016CA002) and the Shihezi University Science and Technology Achievements Transformation Project(No.CGZH201601) 

主　　题：total mixed rations straw chopping device parameter optimization 

摘      要：In order to address the problems of large chop length,high energy consumption and poor chopping effect that were associated with a horizontal total mixed rations(TMR)mixer,a straw chopping device was designed;further,its structure and working principle were *** this study,wheat straw was chosen as the test *** number of processing times,number of fixed blades,cutting speed,number of tooth plates and the inclined angle of the box were considered as the test *** standard straw length rate and average power were used as evaluation indices for conducting the orthogonal rotation combination experiment with five factors and five levels of quadratic *** experimental results denoted that the order of influencing factors on the standard straw length rate can be given as follows:the number of processing times,number of fixed blades,cutting speed,number of tooth plates and inclined angle of the *** order of the influence of each factor on the average power can be given as follows:the cutting speed,number of fixed blades and number of tooth ***,the optimum structural and working parameters of the device can be determined as follows:linear cutting speed of 17-20 m/min,box inclined angle of 70°-80°,20-23 fixed blades,5-6 processing times and 4-7 tooth *** such a circumstance,the standard straw length rate reached up to 70.5%-77.4%and the average power was low at 5.8-7 *** results can be used as reference for designing a chopping device for a TMR mixer.