D60-380液压动力钳的研究与设计

发布时间：2018-10-21 09:47

【摘要】：本文综述了国内外液压动力钳的发展现状，分析了传统液压动力钳的基本结构与操作流程，指出了不同类型液压动力钳结构设计的利弊，提出了一种新型液压动力钳的结构设计方案。传统液压动力钳的大齿轮上只安装一层坡板结构，对不同管柱上卸扣时需要更换坡板，效率低、工作强度高。设计的新型液压动力钳，采用在液压动力钳闭口齿轮体内的圆柱面上安装三层坡板，每层用螺钉将四块楔形状的坡板对称固定，同层坡板设计的运动轨迹曲线相同；不同层的坡板形状曲线不同，以充分适应不同管径的夹持力度和可靠性。通过几何建模和数值计算，分别确定了新型液压动力钳的三层坡板的曲线；使其都能满足切径比要求，保证在上卸扣过程中既不打滑，也不会损坏管柱。对液压动力钳的传动机构、液压系统、钳头结构进行了分析；提出了液压动力钳输出扭矩测量的可靠方法。本文采取了Solidworks软件对液压动力钳进行了实体建模，并且用HyperMesh软件对液压动力钳的重要零部件进行了有限元分析，得到了相应的结果，为今后液压动力钳的继续研究提供了有益的指导。设计的新型液压动力钳在钳口卡紧范围Φ60mm~Φ380mm内不需拆卸液压动力钳更换坡板，卡紧性能好，操作安全，方便，可靠，降低了安全风险，同时也降低了人力劳动强度，提高了工作效率，，对现场作业具有实际意义。
[Abstract]:This paper summarizes the development of hydraulic power pliers at home and abroad, analyzes the basic structure and operation flow of traditional hydraulic power pliers, and points out the advantages and disadvantages of structural design of different types of hydraulic power pliers. A new structure design scheme of hydraulic power pliers is presented. Only one layer of sloping plate structure is installed on the large gear of the traditional hydraulic power pliers. The slope plate needs to be replaced when unloading the different pipe string, which has low efficiency and high working intensity. A new type of hydraulic power pliers is designed. Three layers of slope plates are installed on the cylindrical surface of the closed gear body of the hydraulic power pliers. The four wedge-shaped slope plates are symmetrically fixed with screws in each layer, and the motion track curve of the same slope plate is the same. The shape curves of different layers of slope plates are different to suit the clamping strength and reliability of different pipe diameters. Through geometric modeling and numerical calculation, the curves of the three-layer slope plate of the new type hydraulic power pliers are determined, which can meet the requirements of the tangential diameter ratio and ensure that there will be neither slippage nor damage to the pipe string in the process of loading and unloading. The transmission mechanism, hydraulic system and clamp head structure of hydraulic power pliers are analyzed, and a reliable method for measuring the output torque of hydraulic power pliers is put forward. In this paper, the solid model of hydraulic power pliers is built by Solidworks software, and the finite element analysis of important parts of hydraulic power pliers is carried out with HyperMesh software, and the corresponding results are obtained. It provides useful guidance for the further study of hydraulic power forceps in the future. The new hydraulic power pliers designed in the clamping range of 桅 60mm ~ 桅 380mm do not need to remove the hydraulic power pliers to replace the slope plates. The clamping performance is good, the operation is safe, convenient and reliable, the safety risk is reduced, and the labor intensity is also reduced. It improves the working efficiency and has practical significance for the field operation.
【学位授予单位】：东北石油大学
【学位级别】：硕士
【学位授予年份】：2012
【分类号】：TH137.5

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