铁口开口机是炉前四大机械之一,对铁口维护影响很大。国内现用开口机的结构型式一般由三部分组成:钻机本身、回转机构及钻机前进后退的驱动机构。钻机运动是纯转动,回转机构有远距离操纵的,也有人力驱动的。而钻机在水平导轨上实现前进与后退动作,它也有马达驱动 Iron mouth opening machine is one of the top four furnaces, a great influence on the iron mouth maintenance. The structure of domestic current opening machine is generally composed of three parts: the drilling rig itself, the rotary mechanism and the drilling machine forward and backward drive mechanism. Rig movement is pure rotation, slewing mechanism has long-range control, but also man-powered. The rig moves forward and backward on horizontal rails, and it also has a motorized drive