滑片型孔轮式水稻精量穴直播排种器设计与试验

doi:10.3969/j.issn.1004-1524.2018.07.22

浙江农业学报 ›› 2018, Vol. 30 ›› Issue (12): 2153-2160.DOI: 10.3969/j.issn.1004-1524.2018.07.22

• 生物系统工程 • 上一篇

滑片型孔轮式水稻精量穴直播排种器设计与试验

李兰兰^a, 朱德泉^a,*, 张顺^a, 文世昌^a, 蒋锐^a, 武立权^b

安徽农业大学 a.工学院;
b.农学院,安徽合肥 230036

收稿日期:2018-04-25 出版日期:2018-12-25 发布日期:2018-12-28
通讯作者: 朱德泉,E-mail: dqzhu@sina.com
作者简介:李兰兰(1992—),女,安徽怀远人,硕士研究生,研究方向为农业装备技术。E-mail: 2282525269@qq.com
基金资助:
安徽省科技重大专项(17030701040);国家自然科学基金(51805005);安徽农业大学研究生创新基金(2018yjs-60);安徽省高校科学研究项目(KJ2018A0134)

Design and experiment of slider-hole-wheel precision hill-direct-seeding metering device for rice

LI Lanlan^a, ZHU Dequan^{a, *}, ZHANG Shun^a, WEN Shichang^a, JIANG Rui^a, WU Liquan^b

a. School of Engineering;
b. College of Agronomy, Anhui Agricultural University, Hefei 230036, China

Received:2018-04-25 Online:2018-12-25 Published:2018-12-28

摘要/Abstract

摘要： 为提高水稻机械式精量穴直播排种器的排种精度,根据杂交稻精量穴直播的农艺要求,设计一种滑片型孔轮式杂交稻精量穴直播排种器,阐述其基本结构和工作原理,并对排种轮、滑片和凸块等关键零部件进行设计与分析。选取3种尺寸的杂交稻品种(国丰一号、冈优898和冈优3551)种子作为试验材料,以穴粒数合格率、重播率、漏播率作为排种性能评价指标,在不同排种轴工作转速下,利用JPS-12型排种器检测试验台进行台架试验。当排种轴转速为30 r·min^-1时:中型尺寸水稻种子(冈优898)排种性能最优,合格率83.24%,重播率10.48%,漏播率6.28%;大型尺寸水稻种子(国丰一号)排种性能次之,合格率81.84%,重播率10.27%,漏播率7.89%;小型尺寸水稻种子(冈优3551)排种性能较差,合格率80.14%,重播率15.16%,漏播率4.70%。台架试验显示,滑片型孔轮式排种器对不同尺寸的水稻种子具有较好的适应性,排种性能指标满足杂交稻穴直播的农艺要求。

关键词: 杂交水稻, 滑片, 排种轮, 精量穴直播

Abstract: In order to improve the accuracy of mechanical seeding device, a slider-hole-wheel hybrid rice precision seeding device was designed according to the agronomic requirements, and its basic structure and working principle were described. The primary parts, such as seeding wheel, guard slider, and flange, were designed and analyzed. Three hybrid rice varieties with varied seed sizes, i.e. Guofeng No.1, Gangyou898 and Gangyou3551, were selected as the experimental materials. The qualified rate, the replay rate and the missing rate were taken as the evaluation indexes of seeding performance. It was shown that when the rotation speed of seeding axis was 30 r·min^-1, the seed metering performance of medium-sized seed (Gangyou898) was the best, as the qualified rate was 83.24%, the replay rate was 10.48%, and the missing rate was 6.28%; the seed metering performance of large-sized seed (Guofeng No.1) was the second, as the qualified rate was 81.84%, the replay rate was 10.27%, and the missing rate was 7.89%; the seed metering performance of small-sized seed (Gangyou3551) was the third, as the qualified rate was 80.14%, the replay rate was 15.16%, and the missing rate was 4.70%. These results demonstrated that the proposed slider-hole-wheel seeding device had good adaptability to different rice seed sizes, and its seeding performance could meet the agronomic requirements of hill-direct-seeding for hybrid rice.

Key words: hybrid rice, slider, seeding wheel, precision hill-direct-seeding

中图分类号:

S223.2

李兰兰, 朱德泉, 张顺, 文世昌, 蒋锐, 武立权. 滑片型孔轮式水稻精量穴直播排种器设计与试验[J]. 浙江农业学报, 2018, 30(12): 2153-2160.

LI Lanlan, ZHU Dequan, ZHANG Shun, WEN Shichang, JIANG Rui, WU Liquan. Design and experiment of slider-hole-wheel precision hill-direct-seeding metering device for rice[J]. , 2018, 30(12): 2153-2160.

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滑片型孔轮式水稻精量穴直播排种器设计与试验

Design and experiment of slider-hole-wheel precision hill-direct-seeding metering device for rice

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