The portal crane is the main hoisting equipment for loading and unloading in the port.
港口门座起重机是港口装卸作业的主要起重设备。
The vibration course of the working mechanism of the portal crane has its particularity.
门座式起重机的工作机构振动历程有特殊性。
No. 4 semi-portal crane has been used in Qingtongxia Hydropower Station for more than 30 years.
青铜峡水电厂4号半门式起重机投入运行已30余年。
Semi-portal crane No. 4 has been put into operation for 30 years at Qingtong Gorge Hydropower Station.
青铜峡水电厂4号半门式起重机投入运行已三十余年。
A new method of calculating the driving power of portal crane luffing mechanism is introduced in this paper.
本文介绍了一种计算门座起重机变幅机构驱动功率的新方法一瞬心回转功率法。
As an example, we build the model of the portal crane CAD system to verify the above techniques and criterions.
最后作为复杂机械产品的应用实例，建立了港口门座式起重机的CAD系统模型。
The dynamic optimization method of determining the counterweight and its center of portal crane is put forward.
提出了确定门机对重质量及其位置的动态优化法。
This paper also takes a deep research on the application of the vibration monitoring technique to the portal crane.
本文还对振动监测技术在门座起重机上的应用，进行了深入的研究。
The paper presents a designing method for the tail—end balance weight of the swing—arm of the "Crane" type portal cranes.
本文向读者推荐港口鹤式起莺机摇臂尾端平衡重设计方法。
Along with popularizing of inverter increasingly, inverter is widely used in many harbour facilities such as portal crane.
随着变频器的日益普及，其在港口设备上得到了广泛的应用，门座式起重机也普遍采用了变频控制技术。
The shipbuilding series portal crane has such features as big lifting weight, wide work scope, stable operation, safety and reliability.
造船系列门座式起重机具有起重量大、工作范围辐射面广、运行平稳、安全可靠等特点。
Four-link portal crane using the best combination of optimized boom system, with horizontal small gap, amplitude stable, low power consumption.
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。
The paperl presents the advantages of rolling transportation of portal crane and technical difficulty existed in whole process of rolling transportation.
介绍了港口装卸设备整机滚装运输的优点及门座起重机整机滚装运输中存在的技术难点；
This paper discussed the wreck of the small pole of portal crane is because the small pole supported greater add working stress in range - changing process.
本文论述了门座起重机小拉杆的损坏是由于在起重机变幅过程中，小拉杆承受较大的附加应力所致。
Through fatigue test and theoretic analysis of structure, principle of destruction is educed about crack due to structure fatigue to mental structure of portal crane.
通过结构疲劳实验和理论分析，得出了结构疲劳裂纹对门机金属结构的破坏原理。
Finally, according to IBRAC technology, this virtual training system for portal crane drivers is analyzed and designed. The performance of this system is represented as well.
最后，我们按照IBRAC技术的方法对虚拟门式起重机司机培训系统进行了分析与设计，并分析了门吊仿真系统的性能。
There are a little research on emulating of Dynamic Response of portal crane and some work is to study and analyze the data which be obtained from the test on Container Crane .
对于很多大型的港口装卸机械的动力仿真问题研究较少，很多有关集装箱岸桥的研究都是通过对现场上测试的数据进行整理与分析。
Portal crane sub frame and four-link arm two types, from the crane hoisting, luffing, slewing and walking four agencies ac frequency control, the machine USES PLC control, superior performance.
门座式起重机分单臂架和四连杆两种类型，起重机的起升、变幅、回转和行走四大机构均采用交流变频调速，整机采用PLC控制，使用性能优越。
This paper introduces rebuilding electric control system of portal crane drived by DC and the application of digital DC speed controller, PLC and touchable industrial graphic monitoring system.
简要介绍直流驱动的门机电控系统改造，包括数字式直流调速器、PLC和触摸式工业图形监控系统的应用。
This article discusses the construction of geometrical modeling in simulation training system for portal crane and the implementation of collision detection by the use of fixed direction hull (FDH).
该文介绍了门式仿真培训系统中系统几何模型的建立过程以及利用固定方向包围盒(FDH)实现系统的碰撞检验。
The paper introduces in detail the working principle and make-up of the hydraulic synchronisation lifting device for lifting a high portal crane and gives an overall analysis of its hydraulic system.
文章详细介绍了超大型高架门座式起重机液压同步预升设备的工作原理和液压系统组成，并对液压系统进行了较全面的分析。
Electric hoist model electric hoist necessary uses and so on portal type hoist crane and CD1, MD1, are one kind the middle and small scale hoist crane which has the axle to move.
电动葫芦门式起重机与CD1、MD1等型号电动葫芦配套使用，是一种有轨运行的中小型起重机。
The portal type hoist crane's span is affects hoist crane own quality the important attribute.
门式起重机的跨度是影响起重机自身质量的重要因素。
The brake wheel is a key part of portal frame crane, and its earlier failure and heat treatment defect during manufacture and use is the key factor, which affects the cost and efficiency.
制动轮是门座式起重机制动装置的关键零件，制动轮在生产制造和使用过程中的早期失效及热处理缺陷是影响生产成本及效率的重要因素。
If the request gate leg width is big, the working speed is high, or lifts heavy, the long big-ticket item frequently, then chooses the double Liang portal type hoist crane suitably.
如果要求门腿宽度大，工作速度较高，或经常吊运重件、长大件，则宜选双梁门式起重机。
If the request gate leg width is big, the working speed is high, or lifts heavy, the long big-ticket item frequently, then chooses the double Liang portal type hoist crane suitably.
如果要求门腿宽度大，工作速度较高，或经常吊运重件、长大件，则宜选双梁门式起重机。
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