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四、钻进设备及钻进工艺(续)(三)提吊系统提吊系统主要用于起下和提吊钻具。此系统包括井架、主绞车(包括传动装置)、天车、游车、大钩(或抱钩)、死绳装置及钻杆吊车、封口盘(或抱卡梁)等部件。 1、井架井架是钻井的“骨架”,用于支持游动系统等部件。目前,竖井钻井中使用的井架有塔形架、四桅杆架及A型架三种型式。塔型架是早期出现的一种金属井架。它
Four, drilling equipment and drilling technology (continued) (C) lifting system The lifting system is mainly used for lifting and lifting drill. The system includes components such as derrick, winch (including transmission), crane, trolley, hook (or hook), dead rope assembly and drill rod crane, sealing plate (or clamping beam). 1, derrick derrick Drilling is the “skeleton”, used to support swimming systems and other components. Currently, derricks used in shaft drilling are three types of tower frame, four-mast frame and A-frame. Tower frame is a metal mast that appeared in the early stage. it