摘要
铁路运输具有安全程度高、运输速度快、运输距离长、运输能力大、运输成本低等优点,且具有污染小、潜能大、不受天气条件影响的优势。铁路基础设备线路增加了运营里程,提高了运营质量,但因钢轨供应相对短缺,钢轨的供需矛盾在短时内难以缓解。因此,对经过使用而受到一定程度磨耗的钢轨,适时进行整修,降级利用,将能充分发挥钢轨的潜在功能。国内的旧轨整形机都是从国外进口,进口设备非常昂贵,需花费大量金钱,但国内对于相关设备的研究还是很少。因此,对旧轨整形机的研究已经迫在眉睫。
一台旧轨整形机的设计包括很多方面的内容,有:机床主体结构设计、主轴系统设计、进给伺服系统的设计、液压控制系统设计、夹具的设计、测试控制系统的设计以及机床电气控制系统的设计等部分。
本课题研究的内容包括以下几个部分:旧轨整形机的整体结构设计,对旧轨整形机主要部分的结构及功能进行简要的阐述;对旧轨整形机的两个铣削头的刀具进行说明;设计一套简要的液压夹紧系统;以三菱伺服放大器和位置控制模块为中心,对进给伺服系统的设计进行说明,设计进给伺服系统的机械部分,并选择相应的三菱交流伺服电机,对伺服放大器进行说明,绘制伺服放大器的接线图,对定位模块的参数设置进行简要的说明。
Railway transport has a lot of characteristics of high degree of safety,high-speed transportion, long-distance transportation, haig-capacity transportation, low-cost transportation, as well as a variety of advantages, such as little pollution, large potential, little influence from the weather conditions and so on. Rail infrastructure lines increased operating mileage, improved the quality of the operation, but the shortage of rail supply and the contradiction between supply and demand is difficult to ease in a short time. Therefore, making timely repairs and grading using the rails which had been used and weard little would be able to give full play to the potential functions of the rails. Now all of the shaping machines of old rails were imported from abroad, and the cost was very high, but the domestic related equipments for the study was still too few. So it is necessary for us to make some research for the shaping machines.
There are many aspects for the design to a old rail shaping machine. Design the main structural of the machine tools; design the spindle systems; design the feed servo systems; design the hydraulic control system, fixture systems, testing control system and the electrical control systems.
The research project includes the following sections. Design the overall structure of the old rail shaping machine, and briefly describe the structure and function to the main part of the machine. Make a description to the two milling cutter of the old rail shaping machine. Design a simple hydraulic clamping system. Based on the center of Mitsubishi servo amplifier and position control module, describe the design of servo system; design and caculate the mechanical part of the servo system; select the appropriate Mitsubishi AC servo motor; describe the servo amplifier and draw the map of wiring diagram; make a brief description of the parameter settings to the ocation module.
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