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应用SolidWorks进行建模,完成整机液压和一种新型液压背钳结构设计,基于西门子S7-200 PLC和相应的传感器,提出整机控制理论和实现开口式液压主钳非接触式自动对缺口的理论。在Adams中建立液压主、背钳的液压系统,设定换向阀的控制函数,分析了液压背钳在夹紧油管时液压缸的夹紧力、速度及液压缸工作腔压力变化和液压主钳液压马达输出扭矩和液压主钳输出扭矩变化。通过仿真得到背钳可为主钳上卸扣提够足够夹紧力,为液压元件选型和装置生产设计提供依据。
The application of SolidWorks for modeling to complete the machine hydraulic and a new type of structural design of hydraulic back forceps, based on Siemens S7-200 PLC and the corresponding sensor, put forward the machine control theory and the realization of open-type hydraulic main non-contact automatic gap theory. In Adams, the hydraulic system of hydraulic main and back pliers was established, and the control function of the directional control valve was set up. The clamping force and speed of the hydraulic cylinder and the working chamber pressure of the hydraulic cylinder were analyzed when the hydraulic back clamp was clamping the oil pipe. Clamp hydraulic motor output torque and hydraulic main pliers output torque changes. Through the simulation, the back forceps can be enough clamping force for shackling on the main forceps to provide the basis for hydraulic component selection and device production design.