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来源：百度知道 编辑：UC知道 时间：2024/06/15 02:29:11
摘 要：机械化保护性耕作是一种新型的耕作技术，其耕作技术是实现北方旱区农业可持续发展的一项综合性的农业生态工程技术，其核心是免耕施肥播种机的研制。免耕施肥播种机的结构是影响机具作业质量和性能的主要因素之一，结构紧凑与性能是联合作业机具设计的关键。为减少耕作机械对土壤结构的破坏，设计了2BFM—3型免耕施肥播种机，重点研究了整机结构的布置和主要工作部件的设计与选用。该机的设计借鉴了国内外典型播种机械研制的成功经验，结合陕西半汗地区的特点及农艺技术要求，较好地解决了机具的结构与性能、成本与功能之间的矛盾。该机一次作业可同时完成开沟、施肥、覆土、播种、镇压等多道工序，工效高，合乎农艺要求，同时也提高了耕整机的利用率。
关键词：免耕施肥播种机；保护性耕作；免耕技术；开沟器
2BMF-3 no-tillage fertilization planter design
Abstract: The mechanization of conservation tillage is a new type of farming technology, farming techniques is to achieve sustainable development of agricultural lands north of a comprehensive agricultural ecological engineering technology, the core of which is the development of no-tillage fertilization planter. No-till seeder fertilization is the impact of the structural quality and performance of machines operating one of the main factors, compact structure and properties of a joint operating machinery design is the key. Farming machinery to reduce the damage to soil structure and design of the no-tillage 2 BFM -3-fertilization seeder,整机focus on the structure and layout of the main components of the design and selection. The aircraft design from the typical planting at home and abroad the successful experience of development of machinery, semi-Khan district of Shaanxi and agronomic characteristics of the technical requirem