玉米窄行密植品字形高速精量播种机的设计与试验  

Design and Experiment of High Speed Precision Seeder for Narrow Row and Close Planting of Maize

作　　者：戴智博 衣淑娟[1] 张淯朋 孙文胜 杨宏宇 Dai Zhibo;Yi Shujuan;Zhang Yupeng;Sun Wensheng;Yang Hongyu(College of Engineering of Heilongjiang Bayi Agricultural Reclamation University,Daqing,163319;Heilongjiang Beidahuang Modern Agricultural Service Group of Zhongrong Agricultural Machinery Co.Ltd.,Harbin 150030)

机构地区：[1]黑龙江八一农垦大学工程学院,大庆163319 [2]黑龙江北大荒现代农业服务集团众荣农机有限公司,哈尔滨150030

出　　处：《中国农机装备》2024年第8期2-6,共5页China Agricultural Machinery Equipment

基　　金：北大荒农垦集团有限公司农机研发制造推广应用一体化试点项目。

摘　　要：为满足玉米高速精量播种作业装备的发展需求,结合玉米窄行密植品字形播种农艺要求和排种器差时投种技术,设计生产一款集破茬、开沟、播种、覆土、镇压等作业工序于一体的高速精量播种机。对播种机破茬开沟装置、四杆仿形机构和双腔双盘气压式排种器等进行设计与分析并确定了关键参数。经过田间试验测试,该播种机在高速作业时玉米粒距合格指数为90.79%,重播指数为2.42%,漏播指数为5.80%,作业适应性强、可靠性高、作业速度快,各项性能指标满足玉米垄上品字形种植模式的农艺需求。In order to meet the development needs of high-speed operation equipment for corn precision seeding,combined with the agronomic requirements of glyph sowing of corn narrow-row dense planting and the seeding technology of difference throwing of seeds in metering device,a high-speed precision seeder integrating stubble breaking,ditching,seeding,soil covering and pressing was designed and manufactured.The stubble-breaking and ditching device,four-bar profiling mechanism and double-cavity with double-disc pneumatic metering device were designed and analyzed,and the key parameters were determined.Through field test,the qualified index of corn seed spacing was 90.79%,the replay index was 2.42%,and the missed sowing index was 5.80%.The planter had strong adaptability,high reliability and fast operation speed.The performance indicators fully meet the agronomic requirements of the corn glyph planting on ridge mode.

关 键 词：玉米 窄行密植 高速精量播种 仿形机构 田间试验 

分 类 号：S223.2[农业科学—农业机械化工程]