52833减速器52834主、副卷扬机52835水龙头52836钻具53837冲击卷扬机53838气路系统53839传动链条538310冲击钢丝绳538311气胎离合器538312主离合器5484安全操作注意事项54第9章经济性分析56结论64致谢65参考文献66
f摘
要
钻机是一种复合式多功能钻机，为适应我国深基础工程和连续墙以及水利工程、桥梁工程的发展与需要，结合大口径钻机灌注桩和地下连续墙施工的特点，为解决在复杂地层、硬岩中成孔而研制，特别卵石层、基石、漂石层能大幅度提高施工效率，在各种成孔方法中是比较经济有效的方法。钻机是集回转、冲击钻进工艺于一体的多功能复合型钻机，用转盘回转钻进时可用于第四世纪覆盖层，冲击钻进时可用于卵石、灰岩、花岗岩等硬岩地层。本钻机的特点是结构简单，紧凑，而且各种操作手柄布置合理，操作简单，便于使用与维护。关键词：冲击钻进变速箱减速器转盘
Abstract
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