机械类毕业设计-履带牵引车辆转向机构的设计、KD1110型载货汽车变速器设计.docx

《机械类毕业设计-履带牵引车辆转向机构的设计、KD1110型载货汽车变速器设计.docx》由会员分享，可在线阅读，更多相关《机械类毕业设计-履带牵引车辆转向机构的设计、KD1110型载货汽车变速器设计.docx（90页珍藏版）》请在第一文库网上搜索。

1、河南新载火号毕业设计（论文）题目 履带牵引车辆转向机构的设计于国涛院系车辆与动力工程学院专业车辆工程031指导教师张文春2007年6月15日毕业设计（论文）包含内容及装订顺序1 .毕业设计（论文）任务书2 .中英文摘要（含关键词）3 .目录4.X-.刖5 .正文6 .结论7 .参考文献8 .致谢9 .附录10 .外文资料译文摘 要为了适应现代化生产的需要，履带拖拉机不断提高了行驶速度。为了增强履带拖拉机的机动性能，要求其能够进行任意半径转向。为了避免拖拉机履带对路面的滑磨，乂要求两条履带能够实现差速。这就需要有一种机构来实现拖拉机的这些使用要求。此时，机械液压双功率流差速式转向机构的优点就体现

2、出来了。这种转向机构在保证连续无级输出转速的前提下应用较小的液压元件功率大幅度提高车辆输出的总功率，并且其传动效率远远超过纯液压转向机构的传动效率。对此，基于双功率流传动原理，利用液压元件的无极调速特性，对适合履带车辆的液压机械双功率流差速转向机构的转向原理进行了分析。并且从履带拖拉机机械液压双功率差速式转向机构的转向特点入手，分析了三种有代表性的液压机械双功率差速式转向机构的转向性能和转向指标。最后，选择了一拖公司设计的行星排机构进行设计计算，提出了转向机构行星排特性参数的确定原则，并结合东方红13()2R型橡胶履带拖拉机进行了参数设计和转向运动性能分析，所选参数满足整机性能的要求。关键词：

3、拖拉机机械液压双功率流差速转向机构 设计AbstractProduction in order to meet the needs of modernization, crawler tractors continuously improve thespeed. To enhance tractor mechanical functions required to carry out arbitrary radius steering. Toavoid crawler tractor on the road friction and also requires two tracks to ac

4、hieve differential. Thisneed for a body to achieve these tractor use requirements. At this time, the mechanical-hydraulicpower flow Differential Steering institutions on the merits of the reflected. This shift in the level ofcontinuous output speed without the prerequisite of the application of smal

5、ler hydraulic componentssignificantly improve power transmission The total power, and its transmission efficiency far exceednet hydraulic steering mechanism of transmission efficiency. In this regard, based on the popularaction-power principle, the use of hydraulic components of limitless speed char

6、acteristics, Trackedvehicles suitable for the mechanical-hydraulic differential power flow shifted to the principle ofanalysis. Tractor and machinery from the two hydraulic power differential steering the steeringcharacteristics, Analysis of three representative mechanical-hydraulic power-shift diff

7、erential to theperformance indicators and steering. Finally, the choice of a trailer company in the planetary bodiesarrangements for the design, made arrangements to planetary bodies characteristic parameters of theprinciples, and the combination of the East-1302 R-rubber track tractor parameters fo

8、r the designand performance analysis to campaign, Whole selected parameters to meet performancerequirements.Keywords : tractor-mechanical hydraulic power flow differential steering mechanism design第一章绪论1第二章方案分析42. 1转向性能4 2. 2评价指标4 2. 3卡特小松.一拖公司三种产品方案的比较5第三章设计计算7 3.1行星齿轮的设计计算7 3. 1. 1选取行星齿轮传动的传动类型和传动

9、简图 3. 1. 2进行行星齿轮传动的配齿计算 3. 1. 3初步计算齿轮的主要参数.9 3. 1. 4几何尺寸计算 3. 1. 5行星齿轮传动装配条件的验算.3.1.6计算行星齿轮传动的效率113.2最终传动部分的设计计算123.2.1 最终传动比齿轮的设计计算123.2.2 最终传动比齿轮的尺寸计算133.2.3 最终传动齿轮上短支撑轴的设计计算14 3. 3液压马达部分的设计计算143.3.1 液压马达输出端齿轮的设计计算143.3.2 液压马达输出端齿轮的尺寸计算15第四章校核计算174.1行星齿轮传动的校核计算174.2最终传动部分的校核计算19参考文献21致谢22摘 要为了适应现代

10、化生产的需要，履带拖拉机不断提高了行驶速度。为了增强履带拖拉机的机动性能，要求其能够进行任意半径转向。为了避免拖拉机履带对路面的滑磨，又耍求两条履带能够实现差速。这就需耍有一种机构来实现拖拉机的这些使用耍求。此时，机械液压双功率流差速式转向机构的优点就体现出来了。这种转向机构在保证连续无级输出转速的前提下应用较小的液压元件功率大幅度提高车辆输出的总功率，并且其传动效率远远超过纯液压转向机构的传动效率。对此，基于双功率流传动原理，利用液压元件的无极调速特性，对适合履带车辆的液压机械双功率流差速转向机构的转向原理进行了分析。并且从履带拖拉机机械液压双功率差速式转向机构的转向特点入手，分析了三种有代

11、表性的液压机械双功率差速式转向机构的转向性能和转向指标。最后，选择了一拖公司设计的行星排机构进行设计计算，提出了转向机构行星排特性参数的确定原则，并结合东方红1302R型橡胶履带拖拉机进行了参数设计和转向运动性能分析，所选参数满足整机性能的要求。关键词：拖拉机机械液压双功率流差速转向机构设计AbstractProduction in order to meet the needs of modernization, crawler tractors continuouslyimprove the speed. To enhance tractor mechanical functions re

12、quired to carry out arbitraryradius steering. To avoid crawler tractor on the road friction and also requires two tracks toachieve differential. This need for a body to achieve these tractor use requirements. At thistime, the mechanical-hydraulic power flow Differential Steering institutions on the

13、meritsof the reflected. This shift in the level of continuous output speed without the prerequisiteof the application of smaller hydraulic components significantly improve powertransmission The total power, and its transmission efficiency far exceed net hydraulicsteering mechanism of transmission ef

14、ficiency. In this regard, based on the popularaction-power principle, the use of hydraulic components of limitless speed characteristics,Tracked vehicles suitable for the mechanical-hydraulic differential power ow shifted tothe principle of analysis. Tractor and machinery from the two hydraulic powe

15、r differentialsteering the steering characteristics, Analysis of three representative mechanical-hydraulicpower-shift differential to the performance indicators and steering. Finally, the choice of atrailer company in the planetary bodies arrangements for the design, made arrangements toplanetary bodies characteristic parameters of the principles, and the combination of theEast-1302 R-rubber track tractor parameters for the design and performance analysis tocampaign, Whole selected parameters to meet perfo