特种机电传动机构综合性能试验平台传动系统研究

发布时间：2018-07-15 14:02

【摘要】：本论文研究得到了2008年国家自然科学基金项目的资助(项目编号:50735008)。随着我国工业的发展,特别是航空航天、机器人、自动化等领域的发展,很多工业领域对精密齿轮传动机构的性能和质量提出了更高的要求。本文主要针对需要应用于航天、航空、空间机器人等空间环境领域的谐波减速器、RV减速器、滤波减速器等高性能减速器开发设计一套性能测试试验系统,该系统主要用于测试常温常压环境与真空高低温空间环境下的综合性能与使用情况,为高性能减速器的进一步研究和应用提供科学依据。主要研究内容可概括如下: ①介绍了国内外高性能减速器性能测试试验台与空间环境试验的研究现状与发展趋势,确定本文的研究方向。 ②分析了高性能减速器的传动性能以及测试高性能减速器所需进行的试验项目,研究了针对高性能减速器综合性能测试的实验方法。并根据试验台所进行的试验项目以及需要实现的功能,设计了综合性能试验台的总体结构。 ③根据设计的试验台的总体结构,设计了伺服控制系统、测试系统、环境模拟系统等主要功能模块,并选择了合适的试验设备与器件,搭建了机械传动机构综合性能试验平台。 ④按照热真空环境试验的要求设计了实现热真空环境的关键结构部件——热真空模拟容器(真空罐),对其进行了强度校核与有限元静力学分析。并对真空抽气系统的抽气时间进行了验证计算。 ⑤以滤波减速器为试验件,测试了其在常温常压环境下的传动精度、传动效率、空程回差、启动力矩、刚度及回差等综合性能,提出了真空高低温空间模拟环境下的测试方法。对高真空泵、低真空泵的抽气时间进行了实验验证,并测试了试验台的温度与压力调节性能,得到了试验台内部的气压以及温度随时间变化的曲线。
[Abstract]:This thesis is supported by the National Natural Science Foundation of China in 2008 (Project No.: 50735008). With the development of China's industry, especially in the fields of aerospace, robot and automation, many industrial fields have put forward higher requirements for the performance and quality of precision gear transmission mechanism. In this paper, a performance test system is designed for high performance reducers such as RV reducer, filter reducer and so on, which need to be applied in space environment such as aerospace, aviation, space robot and so on. The system is mainly used to test the comprehensive performance and application of high temperature and atmospheric pressure environment and vacuum high and low temperature space environment, and provide scientific basis for further research and application of high performance reducer. The main research contents can be summarized as follows: 1 the research status and development trend of performance test bench and space environment test of high performance reducer at home and abroad are introduced. The research direction of this paper is determined. 2 the transmission performance of high performance reducer and the test items needed to test high performance reducer are analyzed, and the experimental method for comprehensive performance test of high performance reducer is studied. According to the test items and the functions needed to be realized, the overall structure of the comprehensive performance test bench is designed. 3 according to the overall structure of the test bed, the servo control system and the test system are designed. Environmental simulation system and other main functional modules, and selected the appropriate test equipment and devices, The comprehensive performance test platform of mechanical transmission mechanism was built. 4 according to the requirements of thermal vacuum environment test, the key structural component of the thermal vacuum environment, the thermal vacuum simulation vessel (vacuum tank), was designed and carried out. Strength check and finite element statics analysis are carried out. The pumping time of the vacuum extraction system is verified and calculated. 5 the transmission accuracy, transmission efficiency, space return error, starting torque of the filter reducer are tested under normal temperature and atmospheric pressure. In this paper, the measurement method of vacuum high and low temperature space simulation environment is put forward based on the comprehensive performance of stiffness and return difference. The extraction time of high vacuum pump and low vacuum pump is verified experimentally. The temperature and pressure regulation performance of the test rig is tested. The curves of pressure and temperature change with time are obtained.
【学位授予单位】：重庆大学
【学位级别】：硕士
【学位授予年份】：2011
【分类号】：TH132.46

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