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液压激振打桩系统动态特性研究
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Research on Dynamic Property of Hydraulic Vibration Pile Driving System
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    摘要:

    由于偏心式液压振动打桩机存在结构复杂、参振质量大以及能源利用低的缺点,将液压激振技术应用于振动打桩中以解决上述问题。通过了解与分析现有液压激振器的结构、性能等特点,进行了新型液压激振器的总体结构设计;推导液压激振打桩系统运动过程的数学模型,并在AMESim平台中建立了液压激振打桩系统的仿真模型,研究了不同参数如泵排量、频率、管路长度等参数对液压激振打桩系统动态性能的影响。设计液压激振打桩系统的实验模型,采用理论模拟与实验相结合的办法,对比不同频率下实验位移曲线与仿真位移曲线,得出了与仿真结果大致相同的结论,而且也验证了液压激振打桩系统模型的正确性。

    Abstract:

    Due to the disadvantages of the eccentric hydraulic vibration pile driving system, such as complicated structure, mass vibration and low energy using, hydraulic vibration technology was applied into the piling system in order to solve the problems above. First of all, by comprehending and analyzing the structure, property and other features of current hydraulic vibrator, the overall structure design of the newtype hydraulic vibrator was carried out. Afterwords, the mathematical model for the motion process of hydraulically excited pile driving system was built and the simulation model of the hydraulic vibration pile driving system was set up based on the AMESim software. The effects of different parameters such as pump delivery, frequency, the length of the pipeline on the dynamic property of the hydraulic vibration pile driving system were studied. At last, the experimental model of the hydraulic vibration pile driving system was designed. By combining the theoretical simulation and the experiment together and comparing the displacement diagram curve under different frequency in experiment and simulation respectively, the similar conclusion was obtained and the correctness of the simulation model of the hydraulic vibration pile driving system was verified.

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陈辉,陆春月,赵宏,郭文杰.液压激振打桩系统动态特性研究[J].机床与液压,2019,47(10):92-98.
. Research on Dynamic Property of Hydraulic Vibration Pile Driving System[J]. Machine Tool & Hydraulics,2019,47(10):92-98

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  • 在线发布日期: 2020-02-20
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