Abstract
This paper proposes a novel method for evaluating the braking system on oil rig. The Evaluation indexes, braking capacity, response speed control accuracy and braking efficiency, are put forward according to the drilling safety, benefit, quality and so on. The experimental apparatus to the performances of brakes was built by measuring the relation between the braking pressure, torque and rotation speed. The performances of pneumatic disc brake, hydraulic disc brake and pneumatic band brake are researched by modeling, theoretical analysis and experiment. Based on quantitative analysis, the value analysis is used to quantitatively and qualitatively evaluate the indexes. Some suggestions were put forward for selecting the braking system according to the evaluation. The total evaluation standard system is first proposed and it avails to optimize and evaluate the braking system on oil rig and its automation. Traditional selective method based on experience can be revised and the conclusions also provide a new reference for researching the automation of braking system and other mechanical systems.
