Development status and trends of the development of seedling pick-up mechanism of transplanter in dry land

doi:10.12398/j.issn.2096-7217.2023.04.008

Abstract

Abstract:

Seedling pick-up mechanism play an important role in the transplanter of dry land， which determines the quality， reliability and efficiency of transplanting. It is the key to realize transplanting automation. Based on the study of the current situation of seedling collecting mechanism at home and abroad， this paper introduces several typical seedling collecting mechanisms of transplanting machinery in dry land. They are connecting rod seedling picking mechanism， planetary gear system seedling picking mechanism， pneumatic seedling picking mechanism， ejector rod seedling picking mechanism， clamping seedling picking mechanism and transplanting seedling picking robot. Their advantages and disadvantages are compared from the aspects of seedling picking speed， complicated structure and cost.Automatic seedling collecting mechanism is the most suitable seedling collecting mechanism， while robot seedling collecting mechanism will be the final choice. At present， the seedling picking mechanism is still developing， and it is developing in the direction of high speed， high efficiency and intelligence.

Key words: dry land transplanting machine, pick-up mechanism, connecting rod, top rod type, clamping type

CLC Number:

S223.9

HUANG Minghui, TANG Qing, SONG Zhewen, LIU Hao, WU Yang, ZHU Tingwei. Development status and trends of the development of seedling pick-up mechanism of transplanter in dry land[J]. Journal of Intelligent Agricultural Mechanization, 2023, 4(4): 57-64.

Figures/Tables 11

References 60

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序号	取苗机构类型	优点	缺点
1	连杆式取苗机构	结构简单成本低，可实现复杂取苗轨迹	结构尺寸大，取苗速度受限
2	行星齿轮系取苗机构	结构尺寸小，取苗速度快	取苗轨迹受限
3	气动式取苗机构	结构简单	取苗轨迹单一，无法实现复杂轨迹
4	顶杆式取苗机构	取苗速度快	直线轨迹，只适应于后顶式取苗方式
5	夹取式取苗机构	秧苗适应性强，可适应于多种形态秧苗	轨迹要求复杂，取苗速度受限
6	移栽取苗机器人	取苗速度快，取苗轨迹可控性好	机电液一体化结构复杂，成本高

序号	取苗机构类型	优点	缺点
1	连杆式取苗机构	结构简单成本低，可实现复杂取苗轨迹	结构尺寸大，取苗速度受限
2	行星齿轮系取苗机构	结构尺寸小，取苗速度快	取苗轨迹受限
3	气动式取苗机构	结构简单	取苗轨迹单一，无法实现复杂轨迹
4	顶杆式取苗机构	取苗速度快	直线轨迹，只适应于后顶式取苗方式
5	夹取式取苗机构	秧苗适应性强，可适应于多种形态秧苗	轨迹要求复杂，取苗速度受限
6	移栽取苗机器人	取苗速度快，取苗轨迹可控性好	机电液一体化结构复杂，成本高

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