猫头绳的受力分析与计算

Force Analysis of the Catline on Drawworks

分析了钻井绞车猫头工作时猫头绳的受力情况,建立了提升力、操作拉力与缠绳圈数之间的关系式。这个关系式既可用来较准确地计算提升力,也为计算猫头绳与猫头之间的摩擦系数提供了一种简便的方法。

This article analyzes the force condition of the catline on drilling rig drawworks while the cathead is in operation and establishes the relation between hoisting force, pulling force and catline windings: This expression can be used to calculate exactly the hoisting force and also provide a simple method for calculating the friction coefficient between catline and cathead.