Design and Test of Elastic Tooth Type Lateral Straw Clearing Roller Based on the Straw Clearing and Mulching No-Tillage Precision Planter

Shouyin Hou, Yifan Zhu, Zhangchi Ji, Xiaoxin Zhu and Cheng Zhou
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Shouyin Hou: College of Engineering, Northeast Agricultural University, Harbin 150030, China
Yifan Zhu: College of Engineering, Northeast Agricultural University, Harbin 150030, China
Zhangchi Ji: College of Engineering, Northeast Agricultural University, Harbin 150030, China
Xiaoxin Zhu: College of Engineering, Northeast Agricultural University, Harbin 150030, China
Cheng Zhou: School of Information Engineering, Huzhou University, Huzhou 313000, China

Sustainability, 2022, vol. 14, issue 12, 1-19

Abstract: Aiming at the problems of large soil disturbance, high power consumption and strong vibration during the operation of the 2BMFJ series straw clearing and mulching no-tillage precision planter with rigid teeth, an elastic tooth type lateral straw clearing roller was designed and the key parameters and values affecting the operation performance of the device were determined through theoretical analysis. Orthogonal test method was adopted to implement parameter combination improvement test with the length of tooth rod, the clearance of roller center from ground, the circumferential number of elastic teeth and the angular velocity of roller as test factors and straw clearing rate, power consumption and vibration intensity as performance evaluation indexes. The results showed that: all the factors had extremely significant effects on the straw clearing rate and power consumption performance evaluation indexes, except the clearance of roller center from ground had no significant effect on the vibration intensity performance evaluation indexes, the other factors have significant effects. Parameter optimization combination: At the planter forward speed of 7.2 km/h, the length of toothed rod was 270 mm, the clearance of roller center from ground was 360 mm, the circumferential number of elastic teeth was 8, the angular velocity of roller was 52 rad/s and the performance evaluation indexes were as follows: straw clearing rate was more than 90%, power consumption was less than 1.7 kW and vibration intensity was less than 85 m/s 2 . Through the comparative test of the elastic tooth and rigid tooth type lateral straw clearing roller, there was no significant difference in the straw clearing rate between the two, but there were significant differences in the power consumption and vibration intensity. The elastic tooth type lateral straw cleaning roller reduced power consumption by 63.3% and vibration intensity by 43.2%.

Keywords: no-tillage seeding; straw clearing and mulching; elastic tooth; design; test (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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