分为桁架式和圆筒式两种门架型式。
Two types of portal cranes: truss type and cylinder type, are available.
本文概要介绍了多级门架的设计。
起重机构的门架不得有变形或脱缝脱焊现象。
The gate of a crane should not have deformation, seam slippage or wielding off.
板梁 式门架，有较好的刚度和抗扭性能。
The seismic performance of flat plate structure can be improved by the spandrel beam.
自顶层跨边开始拆卸交叉支撑，同步拆下顶撑连墙杆与顶层门架。
Since the cross-border began to demolish the top cross support, remove the top stays synchronized with rod and the top wall of the door frame.
本文对山形门架中常用的构件—楔形变截面构件进行了研究和分析。
This paper gives researches and analyses on the tapered members which are widely used in gable portal frame.
该系统适用于结构相似、启闭力较大、结构比较复杂的门机的门架结构。
This system is applicable to the large scale similar Hydraulic Gate Hoist structure.
应用所编制的程序，进行了平板、曲壳以及板式门架的双重非线性屈曲分析。
Using the correlative program, buckling analysis was made with plates, shells and portal frame made of plates.
将有限元法应用于门架的设计过程，可以大大减少设计工作量，提高设计的效率。
Applying the finite element analysis method to the design of Hydraulic Gate Hoist structure will furthest shorten the period of design, and improve efficiency.
给出了行走、制动、转向、门架升降与摇摆、吊具，以及冷却液压回路的工作原理图。
Work principles of travel, braking, steering, lifting and swinging of mast, hoisting and cooling hydraulic circuits are all illustrated.
介绍了针对水电站门式起重机门架结构和受力特点而开发的门架有限元分析专用软件。
FEM special software that is especially suitsble for the analysis of intemal forces in the structure of gantry crane is introduced in the paper.
在门架严重扭曲时的主梁、支腿、下横梁、台车及他们之间的连接件均会承受很大的扭曲应力。
When the door frame is seriously distorted, the main beam, the supporting legs, the lower beam, the trolley and the connecting piece of the frame can bear large distortion stress.
门架结构工程计算和动态分析中均需求解和应用门架任意点的位移，但目前尚缺乏这种位移公式。
Arbilrary particle displacement is required to be solved and applied in engineering calculation and dynamic analyses for gantry structure, but formula of this kind is still lacking at present.
研究了A型门架基座及加强结构的外载荷，采用有限元法计算了结构在各载荷组合工况下的应力。
The external loads on the A-type gate crane foundation and its reinforcement structure are studied.
将ANSYS的二次开发语言APDL与VC相结合，开发门式启闭机门架结构的参数化有限元分析系统。
Combining APDL in ANSYS with VC, the parameterized finite element analysis system of the hydraulic gate hoist structure is developed.
像总泵、车轮、转向液压缸、微动阀、连杆、门架滚轮、转向桥等部位，只要靠紧固进行调整就能修理的故障。
Failures which can be solved by minor adjustment on brake pump, wheel, steering hydraulic cylinder, and micro-valve, connect level, mast roller, steering axle, etc. are excluded.
通过将该系统应用于某工程实例，并将该实例的理论计算门架静刚度值与有限元分析值进行比较，验证了该系统的可行性和计算结果的可参考性。
The feasibility and the credibility of this system are proved, by using this system to a case and comparing the finite element analysis results and the theoretical results of the case.
CCCD 3 B侧面叉车是一种新型的起重运输车辆，它采用液力传动，全液压转向，滚动式门架，具有造型美观大方，操作大件方便等特点。
CCCD3B side forklift is a new type of lifting transport vehicles, which USES hydraulic transmission, full hydraulic steering, rolling doors, with a nice shape, convenient operation.
可堆放高3～4层、宽6排的集装箱的堆场，一般用轮胎式，也有用有轨式的。集装箱龙门起重机与集装箱跨车相比，其跨度和门架两侧的高度都较大。
Can be stacked 3 or 4 layers high, wide and 6 rows of container yard, the general use of tire, it also uses a track style.
为了说明这点，请想象自己碰巧坐上一架时间机器，这部机器的样子就象一扇门。
To illustrate this point, imagine that you stumble upon a time machine in the form of a gate.
在飞行试验中，诺斯罗普·格鲁门公司的一架Proteus试验机和美国航天局的一架全球鹰飞行在13716米(4.5万英尺)的高空，距离接近12.2米(40英尺)，创造了行业纪录。
In a key risk reduction flight test, Northrop Grumman's Proteus test aircraft and a NASA Global Hawk flew as close as 40 feet apart at an altitude of 45,000 feet, an industry-setting record.
该系统的业务效用评估(OUE)规划在2010年初已经开始，11月17日美国空军国民警卫队开始基于诺斯罗普·格鲁门公司提供的计划和图纸改装一架KC- 135加油机。
Planning for the Operational Utility Evaluation (OUE) began in early 2010 and on Nov. 17, the Air National Guard began modifying a KC-135 based on plans and drawings provided by Northrop Grumman.
通过优化门型架结构中各构件的截面尺寸，在满足强度要求的条件下达到了减轻结构重量的目的。
By optimizing the cross section sizes of the portal framed structure component, the weight of the portal framed structure had been decreased when it meets the requirement of strength.
该架F15安装配置，可直接煎饼解析器具有一门框螺母及伺服环栓更换。
The F15 mounting configuration allows for direct pancake resolver replacement featuring a jamb nut and tethered servo ring.
根据施工具体情况，选用了门式架支撑体系。
According to the special construction conditions, portal-frame supporting system is adopted in the project.
得知他只是在做数学题后，飞机留下那位女乘客后起飞了。该女子转而搭乘了随后一架飞往锡拉丘兹的客机。门齐奥则搭乘原来那架班机。
After realizing he was only doing math, the flight took off minus the complaining passenger. The woman boarded a later flight for Syracuse. Menzio boarded the original flight again.
四连杆门座式起重机采用最佳优化的组合臂架系统，具有水平落差小、变幅平稳、功耗低的特点。
Four-link portal crane using the best combination of optimized boom system, with horizontal small gap, amplitude stable, low power consumption.
变压器在移动过程中确保设备和人身安全。变压器运至安装位置后采用门型架、倒链就位。
Make sure the equipment safety and human safety during the move of transformer. The transformer is fixed with door fixture and chain block after being transported to installation position.
针对我国港口和电厂煤码头多次门机主臂架折断事故，从现象分析入手，确定其均为局部失稳而引起整体破坏。
The analysis made in the paper shows that many accidents on the portal cranes furnished to the harbours and power plant coal wharfs in China are caused by the buckling in their main jibs.
针对我国港口和电厂煤码头多次门机主臂架折断事故，从现象分析入手，确定其均为局部失稳而引起整体破坏。
The analysis made in the paper shows that many accidents on the portal cranes furnished to the harbours and power plant coal wharfs in China are caused by the buckling in their main jibs.
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