论文部分内容阅读
井口滑轮是钻孔测斜配套的附属工具之一，为了使用时节省时间，我们利用机台现有设备及XL-300型液压拧管机的有利条件，设计了一种简便的插座式的斜井口滑轮。经使用，深受机场工人同志的欢迎。其优点是：
Wellhead pulley is one of the ancillary tools for drilling slope test. In order to save time when using, we use the existing equipment of the machine and the favorable conditions of XL-300 hydraulic pipe threader to design a simple socket-type inclined Wellhead pulley. After use, by the airport workers comrades welcome. Its advantages are: