毕业设计（论文）-自走式植保机械研究设计.doc

PAGE PAGE 3 自走式植保机械研究设计 THE RESEARCH AND DESIGN OF PLANT PROTECTION MACHINERY BY SELF-PROPELLED 摘要 我国作为一个农业大国，稳定的农作物产量是农业发展的关键，所以，保证作物健康生长及防治虫害是农业生产中的重要任务。而频繁的虫害，严重威胁到农作物的安全和产量。目前，多数农作物依然以担架或者手动喷雾器为主，对于大面积的植保作业还是得不到满足。 本次设计研究的是自走式植保机械，整体主要由一个长方体机架、转向系统、行走系统和中间传动箱等组成。驱动方式采用后轮驱动，动力从发动机传到传动箱，最后通过两侧链轮向下传给主动轮。防治措施采用喷杆喷雾，主要部件包括喷杆升降机构、平衡机构、和折叠机构等。使植保机械具有良好的环境适应能力。 此设计对自走式植保机的各方面技术进行研究，计算解决各种关键难点，实现植保机械的自走和高效防治虫害，本课题设计任务如下： 1、拟订植保机械的总体设计方案。 2、进行传动机构和行走系统的设计计算。 3、进行喷雾机构的设计。 4、其他零部件的设计。 5、绘制装配图及主要零部件图纸。 关键词 自走式；植物保护；喷雾 全套图纸加扣 3346389411或3012250582 Abstract China is a major agricultural country，stable crop yields are key to agricultural development，So it’s an important task to ensure that the healthy growth of crops, pest control and agricultural production.And frequent pest，that’s a serious threat to the security and crop yields. Currently, most crops are still based on a stretcher or hand sprayer. Large areas of crop protection job have not yet been met. This designs research on environmental issues such as pest and efficiently solves plant protection problems. The design study is self-propelled plant protection machinery, primarily by an overall rectangular frame, steering system, travel system and intermediate gearbox and other components. Drive rear-wheel drive mode, the power from the engine is transmitted to the transmission case, and finally passed down through the sides of the drive wheel sprocket. Prevention measures adopted boom sprayer, the main components including the boom hoist mechanism, balancing mechanism, folding mechanism and the like. So that plant protection machinery has good environmental adaptability. The design of the self-propelled machine plant protection technology research. Computing solutions to key difficulties. Achieve self-propelled machinery plant protection and efficient control pests. The task of design tasks to be: First formulation of plant protection machinery design plan. Second design calculations of transmi