气吸式辣椒精量穴直播机的研制与试验

S352.53; [目的]针对辣椒种植育苗移栽方式存在的成本高、劳动强度大和生产效率低等问题,结合南方辣椒种植模式和农艺要求,研制一种气吸式辣椒精量穴直播机.[方法]该机具由主机架、仿形机构、风机、传动系统、变速器、气吸式排种器、开沟装置和镇压装置等组成,可一次完成开沟、播种、覆土和镇压作业.利用负压取种和断压排种的原理,根据辣椒种子物理特性和播种要求,确定了气吸式排种器排种盘尺寸、排种孔数量和大小,满足播种精度和播种量要求.播种部分通过平行四杆仿形机构与主机架连接,可实现播种单体对地仿形,保证开沟和播种深度.[结果]播种量1～3粒/穴的平均合格率为91.16％,平均漏播率为0.18％,平均重...

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Published in华南农业大学学报 Vol. 41; no. 3; pp. 102 - 109
Main Authors 曾山, 姚腊梅, 李凝, 杨禹锟, 黄登攀, 方龙羽, 莫泽文
Format Journal Article
LanguageChinese
Published 华南农业大学工程学院/南方农业机械与装备关键技术教育部重点实验室,广东广州,510642%贵州省山地农业机械研究所,贵州贵阳,550001 01.05.2020
Subjects
精量直播机
气吸式
设计与试验
辣椒
Online AccessGet full text
ISSN1001-411X
DOI10.7671/j.issn.1001-411X.201906012

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Abstract S352.53; [目的]针对辣椒种植育苗移栽方式存在的成本高、劳动强度大和生产效率低等问题,结合南方辣椒种植模式和农艺要求,研制一种气吸式辣椒精量穴直播机.[方法]该机具由主机架、仿形机构、风机、传动系统、变速器、气吸式排种器、开沟装置和镇压装置等组成,可一次完成开沟、播种、覆土和镇压作业.利用负压取种和断压排种的原理,根据辣椒种子物理特性和播种要求,确定了气吸式排种器排种盘尺寸、排种孔数量和大小,满足播种精度和播种量要求.播种部分通过平行四杆仿形机构与主机架连接,可实现播种单体对地仿形,保证开沟和播种深度.[结果]播种量1～3粒/穴的平均合格率为91.16％,平均漏播率为0.18％,平均重播率为8.66％.不同穴距试验的播种穴距合格指数均大于89％,重播指数均小于4.85％,漏播指数均小于11％,穴距变异系数均小于23.77％,播深合格率为86％.[结论]整机工作性能满足辣椒种植要求,本研究可为蔬菜精密播种机的研制和开发提供参考.
AbstractList S352.53; [目的]针对辣椒种植育苗移栽方式存在的成本高、劳动强度大和生产效率低等问题,结合南方辣椒种植模式和农艺要求,研制一种气吸式辣椒精量穴直播机.[方法]该机具由主机架、仿形机构、风机、传动系统、变速器、气吸式排种器、开沟装置和镇压装置等组成,可一次完成开沟、播种、覆土和镇压作业.利用负压取种和断压排种的原理,根据辣椒种子物理特性和播种要求,确定了气吸式排种器排种盘尺寸、排种孔数量和大小,满足播种精度和播种量要求.播种部分通过平行四杆仿形机构与主机架连接,可实现播种单体对地仿形,保证开沟和播种深度.[结果]播种量1～3粒/穴的平均合格率为91.16％,平均漏播率为0.18％,平均重播率为8.66％.不同穴距试验的播种穴距合格指数均大于89％,重播指数均小于4.85％,漏播指数均小于11％,穴距变异系数均小于23.77％,播深合格率为86％.[结论]整机工作性能满足辣椒种植要求,本研究可为蔬菜精密播种机的研制和开发提供参考.
Author 李凝
姚腊梅
黄登攀
方龙羽
杨禹锟
莫泽文
曾山
AuthorAffiliation 华南农业大学工程学院/南方农业机械与装备关键技术教育部重点实验室,广东广州,510642%贵州省山地农业机械研究所,贵州贵阳,550001
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Author_FL MO Zewen
LI Ning
ZENG Shan
HUANG Dengpan
FANG Longyu
YAO Lamei
YANG Yukun
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DocumentTitle_FL Development and test of an air-suction type precision direct seeding machine for pepper
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Keywords 精量直播机
气吸式
设计与试验
辣椒
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