超高压磨料射流两用型切割执行机构结构设计

Design of Extra-high Pressure Abrasive Jet Dual Cutting External Cutting Mechanism

高压磨料射流切割作为新兴切割技术高效、环保优势明显,该技术在国内石油工业的应用中尚处于起步阶段。为满足油田大尺寸管柱结构物外切割作业需求,基于SOLIDWORKS软件设计出超高压磨料射流外切割执行机构。超高压磨料射流两用型外切割执行机构是配合目前国内250 MPa前混式超高压磨料射流切割较为新型的执行机构之一,具有整机结构紧凑、外型美观、操作简单等优点。整体设计的主要组成结构包括:动力传动系统、轨道系统、夹持系统和辅助调节系统四部分组成。主要设计计算内容是对250 MPa超高压磨料射流切割设备进行分析,了解不同压力等级下磨料射流切割设备的结构以及特点,制定设计方案,确定传动方案,通过轨道爬行整体设计计算,完成传动系统设计、机架设计和总体设计,并完成总装图及零部件图。所设计的执行机构在不同工况条件下运动平稳,性能可靠,适用于切割直径大于1.5 m的管柱结构物。基于上述研究成果,自主研制的执行机构现场切割管柱试验取得成功。

High-pressure abrasive jet cutting has obvious advantages as new cutting technology,and the application of this technology in the domestic petroleum industry is still in its infancy.In order to meet the demand of large-scale pipe column cutting operation in oil f ield,the design of ultra-high pressure abrasive jet cutting machine based on SOLIDWORKS software is designed.Ultra-high pressure abrasive jet dual-use external cutting actuator is currently with the domestic 250 MPa before the mixture of ultra-high pressure abrasive jet cutting is more new one of the implementing agencies,the whole structure is compact,beautiful appearance,simple operation and so on.The main components of the overall design include:power transmission system,track system,clamping system and auxiliary control system composed of four parts.The main design calculation is to analyze the 250 MPa ultrahigh pressure abrasive jet cutting equipment,understand the structure and characteristics of the abrasive jet cutting equipment under different pressure grades,formulate the design scheme,determine the transmission scheme,track the overall design calculation,complete the transmission system design,machine Rack design and overall design,and complete the assembly drawings and parts drawings.The design of the implementing agencies in different conditions under the conditions of smooth movement,reliable performance,suitable for cutting diameter greater than 1.5 m of the column structure,based on the research results of the independent development of the implementing agencies on-site cutting column test success.