【摘要】 系统地阐述了液动螺杆钻具动力系统的设计原理，在综合分析钻具动力系统各结构参数和输出性能参数的基础上，提出了一个多目标优化设计数学模型。经实例验证，此模型实用可靠，可用于设计和研制新型液动螺杆钻具更多还原

【Abstract】 This paper describes the design theory and optimization of the power system of hydraulic helimotor drilling tools. Based on the comprehensive analysis of the system′s parameters, the paper presents a multitarget optimization model for designing the system. It is demostrated that the model is available for designing and manufacturing new hydraulic helimotor drilling tools due to its practicability and reliability.更多还原