片语

Portal slewing crane门座起重机

portal l crane门式起重机

Railway portal bridge crane铁路门式起重机

Portal cable crane门式缆索起重机

trestle crane门式起重机；高架起重机

portal floating crane门式浮吊

portal jib crane门式起重机；龙门吊车

travelling portal jib crane移动式悬臂吊车

double portal jib crane双龙门吊

portal bridge crane门式起重机

英汉例句

• 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 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。

• 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.

  四连桿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；

• 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。

• this paper introduces the structure and technical characteristic of special track container on large con- tainer stack portal crane which is fitted for high density stack.

  介绍适用于高密度堆存的大型集装箱堆场专用轨道式集装箱门式起重机的结构和技术特点。

• 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。

• 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桿的损坏是由于在起重机变幅过程中，小拉桿承受较大的附加应力所致。

• 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。

• the machine can operate separately or cooperate with portal crane to hoist dirt.

  该机可单独运行，并可配合门机吊起工作。

• 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。

• 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。

• design of compensating pulley luffing system of portal crane based on particle swarm optimizer;

  门座起重机变幅机构设计的优劣决定性地影响整机的使用性能。

• a simple method of rocker end counter weight design for portal crane is proposed.

  推荐一种设计门座起重机摇臂尾端平衡重的简便方法。

• 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 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。

• combining the design of portal crane luffing mechanism, this paper sets up the math model of the luffing system of the brachial-bridge container crane with combined compensating pulley.

  本文以新型的臂桥架岸边集装箱起重机变幅机构组合式货物水平位移补偿系统的模型为研究对象，建立了吊重水平落差最小的数学模型。

• 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。

• as we know that grab portal crane is not standard equipment, so we couldn't made detailed design on our bidding documents, and we just established the total weight according to our experience.

  因为此抓斗门机为非标準设备，在投标和签订合同时不可能做详细设计，当时只能做投标设计方案图，整机重量也是根据经验估算的。