2BDQ-8型振动气流式水稻直播机试验研究

水稻直播是一种节本省工的轻型高产栽培模式,近几年机械化直播面积快速增长,但机具匮乏、技术水平低.本文提出了“振动排种不伤芽＋气流输送不堵塞”的直播机理,利用振动技术,将种子激振后呈流态化状态;然后气力输送、播种,避免了芽种间互相缠绕、堵塞,无任何强制的排种装置,适应了脆嫩的芽种直播,在原理与机构上均有较大创新,已授权为国家实用新型专利（ZL99230150.5）.

The Development of Budded Rice Direct Seeding Machine

This paper presents the structure and principle of a new type of budded rice direct seeding (BRDS) machine, which can be applied to the direct seeding operation. Rice direct seeding is a low consumption and high yield planting method, which is able to save cost and labor. Although the area of mechanized rice direct seeding has increased rapidly in recent years, the practical machines were in shortage. Characterized as "delivering shaking paddy without damage and delivering paddy by airflow without jam", the budded-paddy planter (BPP) is able to make the paddy flow through the seedgate as liquid by vibration, which is suitable for tender budded paddy. Delivered by airflow and seeded afterwards, the budded paddies avoid being twisted and jammed, and there is also not dropping-installation. The BPP is innovative in principle and mechanism and has authorized a national practical patent (ZL99230150.5).