| 1. | A research on the equipment and use of hydraulic hammer on sk 6挖掘机液压锤的配置及使用 |
| 2. | Development of a cad software for hydraulic system of electric - hydraulic hammer 电液锤液压控制系统计算机辅助设计 |
| 3. | The primary characteristic and research development was introduced in the electro - hydraulic hammer technology in both domestic and aboard 摘要介绍了国内外电液锤技术的主要特征、发展及现状。 |
| 4. | Design difficulties , parameters calculation , design structure and characteristics of single arm electro - hydraulic hammer have been introduced 摘要介绍了单臂电液锤设计难点、结构参数的设计计算及单臂电液锤的特性。 |
| 5. | Our country should develop highly active , energy saving , environmental protection , high accuracy and high credibility program control hydraulic hammer 阐明了我国电液锤应着重发展符合高效、节能、环保、高精度、高可靠等要求的程控液压锻锤。 |
| 6. | The present development and application of electro - hydraulic hammer in china have been introduced by quotation of such abroad and the future prospect in china has been expected properly 摘要通过对国外电液锤技术的引述,介绍了目前国内电液锤技术的发展与应用状况,并展望了电液锤发展前景。 |
| 7. | 1 . through market investigation and information searching , not only a new type of hydraulic system which is applicable to middle and small type of hydraulic hammer is designed , but also a set of experiment equipment is realized 通过调研和大量检索,设计出适合小型液压打桩锤的新型液压系统,并利用现有条件,研制出新型液压打桩锤的实验装置。 |
| 8. | So research and development on it were taken in the world , which have an important influence on environment protection , energy saving and technology advancement aimming at the peculiarity and trend of hydraulic hammer , experiment equipment of the new type of it has developed . on the guidance of dynamics theory , by means of technology of dynamical measurement and signal processing and on the basis of experiment data and simulation result , the changing rule of major functional parameter of hydraulic hammer was researched profoundly and systematically . thus dynamical model and computing method whose hydraulic system was applicable to hydraulic hammer of middle and small type was presented 本论文针对液压打桩锤的特点和发展趋势,研制了新型液压打桩锤的实验装置,并以动力学基本理论为指导思想,以动态测试和信号处理技术为手段,以实验数据和仿真结果为依据,对液压打桩锤主要性能参数的变化规律,进行了深入和系统地研究,进而提出了适合小型液压打桩锤的液压系统动力学模型和计算方法,为产品开发提供了科学依据。 |