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L—40型竖井钻机是西德维尔特(WIRTH)公司在L系列竖井钻机的基础上,改进设计、试制成功的新产品。1980年从西德引进了4台L—40型钻机,其中,L—40/400型已完成了一个阶段的工业性钻进试验,而转入正常钻井使用;而L—40/800型也已完成了验收试钻工作,开始了工业性钻井试验。两种钻机结构基本相似,由于篇幅所限,不予叙述,本文仅就L—40/400型竖井钻机的安装和使用问题作了介绍。
The L-40 shaft rig is a new product developed by WIRTH based on the L-series shaft rig to improve design and prototype production. Four L-40 rigs were introduced from West Germany in 1980, of which the L-40/400 has completed a phase of industrial drills and turned to normal drilling; and the L-40/800 Has completed the acceptance test drilling work, began an industrial drilling test. The structure of the two rigs is basically similar. Due to the limitation of space, no description will be given. This article only introduces the installation and use of the L-40/400 shaft drilling rig.