df12型手扶拖拉機變速驅(qū)動系統(tǒng)的設(shè)計

1、 本 科 畢 業(yè) 設(shè)計 設(shè)計題目： 題目：DF12 型手扶拖拉機變速驅(qū)動系統(tǒng)設(shè)計 型手扶拖拉機變速驅(qū)動系統(tǒng)設(shè)計 學(xué) 院： 院： 姓 名： 名： 學(xué) 號： 號： 專 業(yè)： 業(yè)： 機械設(shè)計制造及其自動化 年 級： 級：

2、 指導(dǎo)教師： 指導(dǎo)教師： 2DESING of a CERTAIN TYPE of TRACTOR GEARBOXWith variant transport tractors and agricultural the development of carriage car, depends on rural transportation industry to dev

3、elop the small four-wheel tractor to field edge of a field. However, at present, small four-wheel the tractor field work ability is poor, and not many ancillary agricultural machinery, busy season is short, resulting in

4、 a large number of small four-wheel tractor year short operation time, forced long-term idle. The influence of rural specialist work benefit, also cause should not be some waste of resources. In light of these circumst

5、ances, we in the original small four-wheel tractor based on slightly to make some changes, make it functional extension. For example, in the original small four-wheel tractor based on, change seats, steering wheel, clut

6、ch, throttle, brake position, the tractor into inverted open, in a gearbox installed after digging device, lifting device or a loading device.The graduation design is about mechanical speciality students before graduatio

7、n and a comprehensive training, purpose is to consolidate and expand the students learn the basic knowledge and professional knowledge, training students' comprehensive use of the knowledge the ability to analyze an

8、d solve problems. Is training, training students the ability to work independently and the spirit of innovation is the best means. Graduation design requirements of each student in the course of the work, we need to thin

9、k independently, study assiduously, create somewhat analysis, solving technical problems. Through the graduation project, so that students master the transformation plan formulation, comparison, analysis and necessary c