|Table of Contents|

Design and Test of Soybean Mini Reaper Based on Virtual Prototype Simulation(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2016年01期
Page:
142-147
Research Field:
Publishing date:

Info

Title:
Design and Test of Soybean Mini Reaper Based on Virtual Prototype Simulation
Author(s):
DUN Guo-qiang;  CHEN Hai-tao;  LI Ang;  FENG Yi-ning;  HOU Shou-yin;  JI Wen-yi
Engineering College, Northeast Agricultural University, Harbin 150030, China
Keywords:
Mini soybean reaper;  Virtual prototype;  Simulation;  LS/DYNA;  Design and test
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2016.01.0142
Abstract:
Innovative intercropping patterns such as corn and soybean, fruit/tea and soybean, and ridge soybean have been widely used in southern provinces of China, but its spread has been impeted by lacking of matching harvester. A new walking mini soybean reaper has been designed and its structure and function were introduced in this paper. Rotary cutter’s soybean straw cutting process had been simulated by LS/DYNA, rotary cutter’s walking speed, angular velocity and cutter inclination were selected as factors and cutting energy consumption was selected as index, and used three factors and three levels virtual orthogonal test to optimize the parameters. The results indicated that cutter inclination is significant, angular velocity is notable and working speed has no effect. The minimum cutting energy consumption was 2.27 J when walking speed was 1 m·s-1, angular velocity was 80 rad·s-1?and cutter inclination was 20°, and the optimum parameter had been validated by virtual test. The reaper key parts transmission system, cutting height adjustable device and walking device had been designed. At last, 4G-1.8 type soybean reaper was selected as reference and field performance contrast test on mini soybean reaper had been done. The test results shows that the reaper can realized its soybean cutting and sunning operation function, and harvesting loss ratio and loss ratio standard deviation is smaller than the reference, it indicats that mini soybean reaper has a better working performance and stability.

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Last Update: 2016-02-05