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驱动台摆动机构机构部分设计

摘 要
驱动台摆动机构机构部分设计来自于轧钢生产过程，是轧钢生产不可或缺的重要组成部分。本文主要结合生

产实际，按照机械系统的功能原理设计过程，使用现代设计方法，对系统进行设计分析，提出了多种设计方

案，并对提出的几种方案进行了分析比较，最终确定了驱动台摆动机构机构部分设计方案。由于驱动台摆动

机构由四杆机构组成，系统通过改变连杆和摇杆的长度来实现行程调节，所以对于不同的摆动机构进行了详

尽的受力分析，确定了机构受力最大的情况。应用解析法对摆动机构进行运动学和力学分析，并且根据主轴

的受力情况对其作了强度校核。对主要部件拉杆进行了分析和改进，通过从螺纹联接的角度考虑，对上下叉

头与拉杆之间的连接螺纹拉脱失效问题作出了合理的分析，提出了可行的连杆结构改善方案。最后，考虑了

整套设备的润滑问题，提出了两种符合实际的润滑方案，通过比较最终选定了合理的润滑方案。
关键词：驱动台摆动机构；四杆机构；拉杆失效；润滑
 
Abstract
Driving units swing mechanism part design is coming from steel-rolling production process,

which is an important part of steel-rolling production. This paper is combining with the

production practice, according to the mechanical system function principle design process. At

the same time, this paper has a systemic design and gives various design methods, and finally

confirmed the drive a swinging agencies part’s design scheme. Because of driving units swing

mechanism is consist of four-bar linkage, the length of the connecting rod and the rocking rod

can be changed to achieve adjustment. In order to define the largest stress for the

organization, a detailed stress analysis has been made for different swinging institutions.

Using analytical method which analyzes the movement and the force of the rocking mechanism, the

main axis is had an intension checking according to its force situation. The main rods have

been designed and improved. Considering the screw-thread connection, the invalidation reasons

of the screw-thread dropping between the top and bottom forks and the rods which usually

happens in actual production are found and analyzed. And proposed the feasible connecting rod

structure improvement plan. In the end, considering the lubricating problems of the whole

equipment, two practical lubricating systems are proposed and one of them is chosen for this

mechanism though comparing.
Keywords: driving units swing mechanism;four-bar linkage; bars invalidation; lubrication

 目录

前言 1
第1章  绪论 2
1.1 轧钢生产的地位和作用 2
1.2 轧钢机械设计的形势及设计方法 2
1.3 驱动台摆动机构概述 4
第2章  驱动台摆动机构的方案设计 6
2.1 方案设计概述 6
2.2 设计方案的拟定及选择 6
2.3 结构总体设计 10
第3章  驱动台摆动机构分析 14
3.1 驱动台摆动机构结构分析 14
3.2 驱动台摆动机构运动分析 18
第4章  驱动台摆动机构机构力分析 23
4.1驱动台摆动机构机构力分析概述 23
4.2机构力的分析 24
4.3 主轴的校核计算 28
第5章  拉杆失效现象的分析 32
5.1 拉杆失效现象 32
5.2拉杆的设计分析 32
5.3拉杆失效原因的分析 36
第6章  润滑系统设计 38
6.1润滑剂的作用 38
6.2机构润滑系统 38
小   结 40
致   谢 41
参考文献 42