- 更多网络例句与井架相关的网络例句 [注：此内容来源于网络，仅供参考]
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Based upon analysis and calculation of steel headframe and foundation reinforcement scheme is proposed.
结合工程概况，针对原有钢井架已不能满足使用要求的问题，对煤矿提升系统进行了技术改造，对钢井架及基础进行了分析和计算，并提出了加固方案，加固后效果良好，可为类似工程提供参考。
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The safety of a main well headframe would be reduced significantly,due to increased loading capacity and higher vibration frequency in a coalmine.
由于煤矿主井井架提升能力的增加，引起井架杆件受力增大，受迫振动频率增大，导致安全性能降低。
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A finite element model using the structural analysis software,SAP2000,was created to study the headframe's natural vibration characteristics and the state of member forces.
应用SAP2000有限元软件，建立三维有限元模型，对其自振特性和加固前后的杆件应力进行了对比分析，加固后杆件最大应力大大降低；通过加固前后不同荷载下的动力测试，对加固后井架的运行状况作出评估与分析，在原提升荷载和新提升荷载下，井架工作时平均振动频率都有很大幅度的减小。
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With the rise in steel derrick base is the top steel headframe supporting steel degree 7.5m, surrounded by four inclined support beams and radiation into space structure.
内钢圈即为随升井架底座，上面配角钢井架，钢度为7.5m ，四周用四根斜支撑与辐射梁联结成空间结构。
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King-sized lifting sling is the high load component in the procedue of lifting weighing 2 395 kg.
特大型井架起吊索具是井架起吊过程中高负荷的构件，起吊索具单件重量2 395 kg，其加工质量可直接影响到井架的竖立。
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This article elaborated an experimental system for acquiring this coefficient. The dynamic amplificatory coefficient of derricks in use can be acquired through collecting and calculating the signal of this system, so that it can provide the critical data for inspecting the loading capacity of offshore derricks.
主要介绍了一种获得海洋钻机井架动力放大系数的试验系统，利用该系统采集的信号，通过计算获得在役井架的动力放大系数，从而为海洋钻机井架的承载能力的计算提供了关键数据。
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One of the rig crew members who gets his name from the fact that he works on a platform attached to the derrick or mast, typically 85 ft [26 m] above the rig floor, during trips.
钻井队的成员之一，井架工名字的由来起源于起下钻时他工作在与井架或桅式井架连接在一起的一般距离钻机平台有85英尺高的平台上。
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On the basis of wide investigation and research on oil derricks, combined with the practical use of oil derricks on the spot, a comprehensive statement is made in this paper about the basic conditions, the structural features and its practical uses of oil derricks on the spot, a comprehensive statement is made in this paper about the basic conditions, the structural features of oil derricks and its practical use.
本文的主要内容可以归纳为：(1)、本文在对石油井架进行广泛调研的基础上，结合石油井架在现场使用的实际，对石油井架的基本情况、石油井架的结构特点以及石油井架在油田生产中使用的实际进行了综合的论述。提出了有关石油井架承载能力评定的理论和实际的方法。
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Within definite height limits, such headframes not only take the place of steel headframes with great saving in steel and builting cost, but also eliminates the detrimental effects incidental to foundation settlement, the common defect of other ty-pes of r.c.
这种类型井架在某种高度下不仅可以代替钢井架工作，使钢材得到大量节约，建筑投资少，而且它也克服了其他类型钢筋混凝土井架在软地基上易于产生不均匀沉陷影响的缺点。
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But this method tums out of to convincingly reliable due to the effects of local member state of the derrick, on the other hand, the ultimate strength of structures usually tend to remain beyond linear elastic stage according to the geometric and material non-linearity.
目前，人们需要对大量处于服役状态的井架结构的安全性重新进行评定，最常见的方法是通过现场测试井架应力，来线性外推出井架的承载能力。
- 更多网络解释与井架相关的网络解释 [注：此内容来源于网络，仅供参考]
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headframe：井架
{们g}10井架(headframe)建在竖井或抖井井口上的高架矿山构筑物. 用它安装矿井提升天轮和导向轮,其斗或翻转摧笼和雄道以及卸料弯道. 井架分开采井架、掘进井架和开采掘进兼用井架三种. 掘进井架与开采井架的区别.在于它不仅用来提升容器,
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steel headframe：钢井架
steel head 钢井架 | steel headframe 钢井架 | steel lagging 钢背板
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headgear：井架
headframe 井架 | headgear 井架 | heading 追
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jackknife rig：带折叠井架的钻机
jackknife mast 折叠式轻便井架 | jackknife rig 带折叠井架的钻机 | jackknife 折刀;折叠式的;折叠式井架
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jackknife mast：折叠式轻便井架
jackknife derrick 折叠式井架 | jackknife mast 折叠式轻便井架 | jackknife rig 带折叠井架的钻机
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jackknife derrick：折叠式井架
jackknife cantilever mast 折叠悬臂式井架 | jackknife derrick 折叠式井架 | jackknife mast 折叠式轻便井架
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pecker neck：井架安装工;安装井架扳手
pecked line 点线 | pecker neck 井架安装工;安装井架扳手 | pecker 吸木鸟;替续板;穿孔器
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derrick retracting：缩回井架
起井架 derrick raising | 缩回井架 derrick retracting | 井架底梁 derrick sill
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derrick or mast：井架或便携式井架
take ...into consideration 考虑 | derrick or mast 井架或便携式井架 | crown block 天车
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derrick erecting truck：井架安装车
井架安装||derrick installation | 井架安装车||derrick erecting truck | 井架绷绳||"derrick guy, guy line"