建立起油管机械手机构应力-应变状态的计算机分析方法

O. Panchenko
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引用次数: 0

摘要

意图利用基于有限元法的现代计算复合体,开发并证实了一种计算机分析多自由度管道立管机械手机构中发生的应力-应变状态的方法。方法论这项研究使用了软件复合体,在软件复合体的帮助下,创建了一个计算理论装置,用于计算管道安装机机械手机构元件中发生的动态和静态载荷。比较了使用SolidWorks Motion和SolidWorks Simulation程序对该机构零件和节点的应力-应变状态建模的结果。对这些结果中的误差进行了估计。调查结果。基于SolidWorks应用程序,特别是SolidWorks运动和SolidWorks仿真的结合,所提出的分析方法的有效性已经在UT62油管立管机构最复杂设计的建模实例中得到了验证。独创性首次开发并证实了一种计算机分析UT62型立管机机械手机构应力-应变状态的方法。该方法的本质是,最初,使用SolidWorks Motion应用程序,设置电机的运动规律。油管架设过程本身被划分为离散时刻,其中选择了计算应力场的零件,并使用模拟设置工具确定了最大等效应力。分析了架设周期中这些应力的变化,如果有必要细化数据,则可以减少机构运动的离散时间步长。关于零件应力-应变状态的具体信息可在SolidWorks仿真应用程序中获得,该应用程序使用从SolidWorks Motion程序中导入的关于管道安装机机构中发生的重力和惯性力的数据。实用价值。该方法可用于不同复杂度机构的运动建模,特别是在国内管道安装机的设计中。
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Substantiating a method for computer analysis of the stress-strain state of the tubbing erector manipulator mechanism
Purpose. To develop and substantiate a method for computer analysis of the stress-strain state that occurs in the tubbing erector manipulator mechanism with several degrees of freedom, using modern computing complexes based on the finite-element method. Methodology. The research uses software complexes, with the help of which a calculation-theoretical apparatus has been created, which is intended for calculating dynamic and static loads that occur in the elements of the tubbing erector manipulator mechanism. The results of modeling the stress-strain state in the parts and nodes of this mechanism, obtained using the SolidWorks Motion and SolidWorks Simulation programs, have been compared. The errors in these results have been estimated. Findings. The effectiveness of the proposed analysis method, based on the combination of SolidWorks applications, in particular, SolidWorks Motion and SolidWorks Simulation, has been proven on the example of modeling the most complex design of the UT62 tubbing erector mechanism. Originality. For the first time, a method for computer analysis of the stress-strain state that occurs in the tubbing erector manipulator mechanism of the UT62 type has been developed and substantiated. The essence of the method is that initially, using the SolidWorks Motion application, the laws of motion of the motors are set. The tubbing erecting process itself is divided into discrete moments of time with the selection of parts in which the stress fields are calculated and with the determination of the maximum equivalent stress, using the Simulation Setup tool. The change in these stresses during the erecting cycle is analyzed, and if it is necessary to refine the data, the discrete time step of the mechanism motion is reduced. Specific information about the stress-strain state of the part is obtained in the SolidWorks Simulation application, using data imported from the SolidWorks Motion program about gravitational and inertial forces that occur in the tubbing erector mechanism. Practical value. The proposed method can be used for modeling the motion of mechanisms of different complexity, in particular, in the design of domestic tubbing erectors.
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CiteScore
1.70
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0.00%
发文量
148
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