查询词典 crane

At the same time,this paper conclude that the deviation limit standard of each testing project for the box double-bridge crane,and present the new method that processing crane main girder deflection of the box double-bridge crane by straining wire rope,the new method that preventing and eliminating the box double-bridge crane running defect by wheel track circular measure.

总结出：箱形双梁桥式起重机运行缺陷各检测项目的极限偏差标准。获得了：处理箱形双梁桥式起重机主梁挠度的新方法—拉钢丝绳法；预防和消除箱形双梁桥式起重机运行缺陷的新方法—圆弧轮、轨法。

Our products mainly include all kinds of electric and hydraulic windlass and capstan used in oceanographic ship,all kinds of electric,hydraulic and pneumatic crane,crooked arm crane,telescopic crane,oil davit,wave compensate crane,electric hoist cantilever crane and so on,and steering gear,block,boat landing equipment,elevator for kitchen,pulling equipment for oil tanker in an emergency and other deck.

本公司的主要产品有各种船用、平台用电动、液压、气动起重机、折臂吊、伸缩吊、输油管吊、波浪补偿吊、电动葫芦悬臂吊、各种船用电动、液压起锚机、绞盘、系泊绞车，以及起艇机、艇架、艇筏降落装置、厨房升降机、油船应急拖带装置等船舶甲板设备。

According to records, the first tower crane used in construction-related patents issued in 1900. Emerged in 1905 with fixed jib tower crane, made in 1923 the modern prototype of the tower crane, the same year the first complete modern tower crane. At that time, Germany in 1930 has begun mass production of tower cranes, and used for building construction. In 1941, the tower crane industry standard DIN8770 Germany announced.

据记载，第一项有关建筑用塔机专利颁发于1900年。1905年出现了塔身固定的装有臂架的起重机，1923年制成了近代塔机的原型样机，同年出现第一台比较完整的近代塔机。1930年当时德国已开始批量生产塔机，并用于建筑施工。1941年，有关塔机的德国工业标准DIN8770公布。

Hoisting beam of the No.1 crane was replaced with that of No.4 crane and the brake assembly of the hoisting motor was replaced with a ship's spare, which had been sustained damage in the incident of the No.1 crane ar Port of XXX, by the crew so that the No.1 crane could be continued in normal working.

为了不影响卸货，船方将No.1起重机吊钩梁与No.4的进行调换，并由船员利用船上的备件对在XXX港No.1起重机损坏案相关的起货马达刹车部件进行了更换，使No.1

A 10t-16. 5m general-purpose bridge crane which is produced by Dalian Crane Works is taken as an example. It conforms with"The Technical Regulations for General-Purpose Bridge Cranes"and all its deriations are chosen to be most unfavourable for cranes' travelling. All the effects which are due to the position of the trollay on the crane, the original skew angle of the crane and the defferent leading width are studied.

本文以大连起重机器厂生产的10吨-16.5米跨度的通用桥式吊钩起重机为例，在满足桥式起重机技术条件前提下，起重机的各种偏差取对运行最不利组合，分析计算了小车位置、桥架的初始偏斜和车轮踏面宽度等因素对分别驱动和集中驱动的桥式起重机的运行状态及侧向力的影响。

During the fabrication of big capacity and high lift crane, Crane Company is the first to use the advanced polygonal line technics-- American patent and the special machine for fabrication of polygonal line drum--national patent. The successful use of such advanced technics resolved completely the wire rope enwinding of high lift hoist. It reduced the crane weight and improved the performance of crane.

在大吨位高扬程起重机制造中，首先采用了美国专利的莱伯斯折线卷筒技术和获国家专利技术的折线卷筒加工专用机床，这些技术的成功运用，彻底解决了高扬程启闭机钢丝绳缠绕问题，减轻了起重机的重量，提高了设备性能，使用这项技术的几十个水电站起重设备均取得了良好的效果。

ICF's reputation spread with a succession of "firsts" in captive breeding programs:(1) first red-crowned crane was hatched in the western hemisphere in 1975;(2) first hooded crane was hatched in captivity in 1976;(3) Brolgas was hatched for first time in North America in 1979;(4) first captive hatching of Siberian crane was made in 1981;(5) ICF pioneered "isolation rearing" efforts to release captive cranes in the wild from 1984-85;(6) ICF hatched its first wattled crane in 1993, making it the first institution to have bred all fifteen species of cranes successfully.

首先在鹤类的饲养繁殖方面做出了巨大贡献，其中下面几个方面创造了前所未有的功绩：（1）在1975年，在西半球首先孵化了丹顶鹤；（2）在1976年，首先在人工饲养条件下孵化出了白头鹤；（3）在1979年，在北美首先孵化出澳洲鹤；（4）在1981年，首先孵化出了白鹤；（5）在1984年~1986年，首先使用"隔离饲养"方法把人工饲养的鹤释放野外；（6）在1993年， ICF 第一次自己孵化出了肉垂鹤，从而成为首家能繁殖所有15种鹤的机构。

The main products of the company includes road bridge engineering equipment such as single-beam crane, double-beam crane, gantry crane, foundery crane, bridge girder erection machine, etc.

公司主要产品有单梁起重机、双梁起重机、门式起重机、铸造起重机、架桥机等路桥工程设备及各种非标起重设备，为冶金、电力、机械、矿山、港门、石化等行业配套服务，产品远销国内外。

The company involves in various businesses, including designing, manufacturing, selling, installing, maintaining, leasing and technique service for crawler crane, gantry crane, derrick crane, bridge crane, tower crane and other nonstandard lifting machines.

山东鲁能光大重型机械设备有限公司生产加工设备先进、齐全，经济实力雄厚，现有固定资产1.1亿元，技术力量强，具有高、中级职称人员30多人；检测设备齐全，质量控制严格，产品质量优良，售后服务热情、及时周到。

This thesis is based on crane dynamic theory and finite element theory, and utilized software platform of ANSYS. It realizes model analysis and transient analysis of steel rope and bridge structure. The data and conclusion offered effective method to bridge crane design. The thesis mainly includes:According to crane dynamic theory, established relevant dynamic model, and analyzed the dynamic properties of the bridge structure of the bridge crane, including the natural frequency, the model shape and the dynamic stress. A way to analyse the dynamic response of the bridge structure of the bridge crane which takes into account the dynamic properties of the steel rope pulley block has been explored successfully.

本文基于有限元理论和起重机动力学理论，以有限元分析软件ANSYS为平台，实现了计算机对钢丝绳系统和桥架的模态分析和瞬态动力学分析，得到的分析数据和结论对桥式起重机动态设计提供了有效的手段，论文主要内容包括：根据起重机动力学理论，建立了相关动力学模型，并对桥架结构进行动态性能分析(包括固有频率、振型以及动应力)的分析，探索出一种考虑钢丝绳滑轮组的动态特性在内的桥式起重机桥架结构动态应力分析的方法。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。