HUANG Shanshan,CHEN Hai-tao,WANG Ye-cheng.Design on the Pre Filling Seedclearing Institution of Insertmetering System for Soybean Sub-district Seeder[J].Soybean Science,2017,36(04):626-631.[doi:10.11861/j.issn.1000-9841.2017.04.0626]
插装式大豆小区播种机排种系统预充种清种机构的设计
- Title:
- Design on the Pre Filling Seedclearing Institution of Insertmetering System for Soybean Sub-district Seeder
- Keywords:
- Soybean breeding; Seed-metering device; Sub-district seeder; ADAMS
- 文献标志码:
- A
- 摘要:
- 为满足大豆小区育种播种机播种时不混种、换种便捷等作业要求,解决插装式排种系统所造成的空行程过大和清种不彻底的问题,设计了一种弧形齿条式预充种清种机构。通过理论分析确定了弧形齿条基本参数和首末齿的齿顶降低系数,应用ADAMS软件进行了齿轮与弧形齿条啮合仿真,仿真结果表明设计满足要求。以大豆品种绥农26为试验材料进行改进前后的排种系统性能对比试验,结果表明,改进后的插装式排种系统空行程距离缩小到0.42 m且能够在3.33 s内实现无混杂换种,满足设计要求,为系列大豆育种播种机的开发夯实了基础。
- Abstract:
- In order to satisfy the requirements of soybean sub-district seeding without hybrid and other convenient, solve the bigger idle running and incomplete seed-clearing, the pre filling seed-clearing institution form of curved arc for the insert-metering device was designed. The theoretical analysis was used to determine the basic parameters of the arc rack and the decreasing coefficient for the fore and aft-tooth addendum, and the results of the gear mesh with arc rack simulation based on ADAMS software showed that the design met the requirements. The soybean Suinong 26 was selected as experimental material, performance comparisons test results of the suction drum-type seed metering system before and after improvement showed that, the idle running of the improved insert-metering system was within 0.42 m and quickly insertion and extraction within 3.33 s to accomplish another without hybrid which met the design requirements, laid a solid foundation for the development of the series of soybean breeding seeder.
参考文献/References:
[1]连政国, 王建刚, 杨兆慧, 等.小区育种机械化在中国的发展[J].农业工程学报, 2012, 28(10): 140-144.(Lian Z G, Wang J G, Yang Z H, et al.Breeding mechanization development in China[J]. Transactions of the CSAE, 2012, 28(10): 140-144. )
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备注/Memo
基金项目:国家现代农业产业技术体系(nycytx-004)。