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This text introduced the practice method of the box permanent steel petroleum derrick shaft sinking in the construction of vertical shaft pit shaft.

在立井井筒建设中,我们在原设计的基础上,对箱形永久钢井架凿井的实际方法作了改进。

Monitoring for sidewall safety in deep alluvium freezing shaft sinking engineering is discussed in the paper.

重点介绍了深厚表土中冻结法凿井的井壁安全监测技术,利用现代计算机控制和远程通信技术,通过电话网和调制解调器,借助预埋的传感器,经过信息的分析和反演,实现了冻结法凿井中对井壁的远程全自动安全监测。

Through the practice of Guqiao auxiliary shaft construction, this paper discusses how to increase the shaft sinking velocity with the existing technology and equipment.

如何利用国内现有的凿井技术、凿井设备提高建井速度,本文通过对顾桥副井的建井实例进行了深入的分析探讨。

The paper introduced the freezing shafting sinking method,full face shaft drilling method,grouting method and other special shaft sinking methods generally for the mine shaft construction in water bearing and unstable alluvium and water bearing bedrock.

介绍了在含水不稳定冲积层和含水基岩中建设井筒通常采用的冻结法、钻井法和注浆法等特殊凿井方法,以及这3种特殊凿井方法的发展历程和关键技术现状及典型工程应用实例,并对这些方法今后的发展进行了展望。

The main problems in the electric controlling part of the traditional sinking hoist are introduced,a frequency conversion adjusting speed controlling system is designed based on the load characteristic and behavior of the sinking hoist,and the application of ACS800-01 frequency converters in the system is emphatically analyzed.

简要介绍了传统凿井绞车电气控制部分存在的主要问题,结合绞车负载特性及运行状态进行了变频调速控制系统的设计,重点分析了ACS800-01变频器在该系统中的应用情况。

Based on the in-situ measurement of temperature during freezing sinking,the influence of the temperature field of ice wall on that of outer shaft wall was studied.

通过对龙固副井冻结凿井期间外壁与冻结壁温度的现场实测,研究了冻结壁温度场对外壁水化热温度场的影响,获得了特厚冲积层冻结凿井期间外壁及冻结壁温度变化的基本规律。

The expert system about shaft sinking headgear selecting foreward uses hierarchic knoledge express of both number and production,control strategy of foreward juzzy reasoning,developed with VB and AutoCAD SDK.

立井凿井设备选择布置专家系统采用了分层次的数值与产生式知识表示 ,正向模糊推理的控制策略 ,有 Vb和 Auto CAD两种软件工具开发。