Research On Adaptive Technology Of Spinner Of Iron Roughneck

In the field of petroleum machinery and drilling,Iron Roughneck is a kind of automated and intelligent equipment used to drill/shack pipe.The development of intelligent Iron Roughneck has a positive effect on the process of scientific drilling.In this paper,the subject of "Research on Adaptive Technology of Iron Roughneck" is carried out in such a background.In order to further improve the automation and intelligent degree of the Iron Roughneck in buckling connection,the self-adapting device of screwing pipe is studied in this paper.The degree of adaptability of Iron Roughneck directly affects the working efficiency and adaptability of connecting/shackling drill pipe,which has certain practical significance.This article is based on the project of "Deep Detection Technology and Special Experimental Studies".This paper analyzes the adaptability of the iron drill mechanism in the process of the drill pipe clamping.The details are as follows:A large number of domestic and foreign literature on Iron Roughneck are inquired.For the adaptive aspects of this study,the information about the development status of iron adjusting machine has been summarized.From the perspective of adaptability in structure,the research content of this article has been summed up.The structural design of the buckle adjustment mechanism was completed and modeled with Inventor.The movement process of holding the drill pipe was analyzed.The drilling process is divided into two phases:piston rod extension phase and clamping adjustment phase.The kinematics analysis of the twisting mechanism was carried out in two stages of the clamping process.The final clamping state of the drill was analyzed in the direction of the adjustment mechanism.The clamping angles of different specifications of drilling tools were solved.Through the mechanical analysis of the upper and lower floating devices,the key performance parameters of the upper and lower floating cylinders were designed.The simulation model of clasp mechanism was established in ADAMS.The kinematic simulation of the adaptive adjustment process was carried out.Through the analysis of the curve of the simulation parameters of the knob structure and the contrast of theory and simulation results,and the correctness and feasibility of the theoretical adjustment process were verified.Force simulation of key structure of the clasp mechanism was carried out through Workbench.The finite element analysis of t clamping arm,beam support and limit-wheel pin of the clasp mechanism were completed.With the result of their static characteristics,the stress distribution and deformation,the reliability of the structure was verified.The prototype of the Iron Roughneck has been tested.The clamping action and processes of different specifications of drilling tools were observed and recorded.The experimental data were collected and analyzed to verify the correctness of kinematics modeling of the clamping mechanism.