振动挖掘作业技术研究

发布时间：2019-03-30 16:50

【摘要】：本文结合振动挖掘作业技术研究课题,针对工程机械快速、高效作业的要求,开展振动挖掘作业技术研究以有效解决板结硬实土壤条件下的工程作业问题,拓展工程机械的环境适应能力,设计开发了实现振动挖掘作业的振动挖掘作业系统并开展了试验验证,取得了较好的研究效果,对于提高工程机械的综合效能具有十分重要的意义。全文共分六章,第一章阐述了课题研究背景及其意义,总结了国内外研究现状,确定了本文的主要研究内容；第二章对多种振动挖掘系统总体方案特点进行介绍和分析,确定课题研究方案；第三章开展振动挖掘液压系统响应性能仿真分析,建立了振动挖掘液压系统仿真模型,分析了不同液压激振信号波形、频率、振幅等参数对振动挖掘作业性能的影响,为试验验证提供参考；第四章开展挖掘装置模态分析,得出挖掘装置结构的固有特性及振动情况,为控制系统设计和振动挖掘实现提供边界条件；第五章进行原理样机试验,开展试验分析,验证课题研究效果；第六章作为本文的结尾,对研究成果进行了总结和展望。
[Abstract]:In this paper, according to the requirement of rapid and efficient operation of construction machinery, the research of vibration mining technology is carried out in order to solve the problem of engineering operation under the condition of hardened soil effectively, according to the research topic of vibration mining technology. This paper develops the environmental adaptability of construction machinery, designs and develops a vibration mining operation system to realize vibration mining operation, and carries out experimental verification, which has achieved better research results. It is very important to improve the comprehensive efficiency of construction machinery. This paper is divided into six chapters. The first chapter expounds the background and significance of the research, summarizes the current research situation at home and abroad, and determines the main research content of this paper. The second chapter introduces and analyzes the characteristics of the overall scheme of various vibration mining systems, and determines the research scheme of the project. In the third chapter, the response performance of vibration mining hydraulic system is simulated and analyzed, the simulation model of vibration mining hydraulic system is established, and the influence of different parameters such as vibration signal waveform, frequency and amplitude on the performance of vibration mining is analyzed. To provide a reference for the test verification; In the fourth chapter, the modal analysis of the excavator is carried out, and the inherent characteristics and vibration of the excavator structure are obtained, which provides the boundary conditions for the design of the control system and the realization of the vibration mining. The fifth chapter carries on the principle prototype experiment, carries on the experiment analysis, validates the topic research effect; the sixth chapter as the end of this article, has carried on the summary and the prospect to the research achievement.
【学位授予单位】：浙江大学
【学位级别】：硕士
【学位授予年份】：2013
【分类号】：TU621

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