Abstract
According to the Energy Strategy of Russia for the period until 2030, at the enterprises of Rosneft PJSC, Statoil, Rockwell Automation, the main goal is to increase safety, economic efficiency, and process automation. As a result of a study based on a patent search and analysis of existing drive designs of rocking machines, the shortcomings of their operational maintenance are identified. The article describes the improved telescopic design of the head with a balancer, electric motor, remote control, with the ability to change the length of the arm of the balancer for the operational repair of wells with minimal human involvement. The technical result of the improved ultrasonic rocking machine is aimed at increasing the automation of work, reducing the time and labor costs, increasing safety in the preparation of the drive of the rocking machine for underground well repair. The method for calculating the strength of the movable and stationary parts of the telescopic design of the head with a balancer is presented: the maximum bending stress, the safety factor for brittle fracture and plastic deformation, the safety factor for cyclic loads are determined. The results of the calculation correspond to the minimum permissible for reliable use of the improved drive of the rocking machine. The technique of selecting an electric motor for moving the longitudinally moving part of the shoulder of the balancer, in which the engine power is determined taking into account the acceleration dynamics, is equal to 80 watts. The technical solution of the ladder is shown with a safety-automatic shutdown of the electric motor of the rocking machine when an unauthorized person is lifted by it. The economic feasibility study was carried out: the costs of the preparatory and final work of the rocking machine drive to the well repair were determined; salary costs to team members; costs associated with equipment downtime; accident costs. The overall economic effect of introducing an improved drive of a rocking machine with automation elements is determined.
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