查询词典 bridge crane

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 invention includes a bridge, a bridge traveling mechanism, a crane trolley, a telescopic boom and a telescopic traveling mechanism; wherein the bridge traveling mechanism drives the bridge to travel longitudinally along the track on elevated beams on the two sides; the crane trolley travels laterally along the track on the bridge; the telescopic boom is arranged between the crane trolley and the bridge, the crane trolley travels laterally along the track on the telescopic boom; and the telescopic traveling mechanism drives the telescopic boom to travel laterally along the track on the bridge.

本发明包括桥架、桥架运行机构、起重小车、伸缩臂和伸缩运行机构；其中，所述桥架运行机构驱动所述桥架沿两侧的高架横梁上的轨道纵向运行；所述起重小车沿所述桥架上的轨道横向运行；所述伸缩臂设置在所述起重小车和所述桥架之间，所述起重小车沿所述伸缩臂上的轨道横向运行；所述伸缩运行机构驱动所述伸缩臂沿所述桥架上的轨道横向运行。

Vocal characters of 7 kinds of cranes (Demoiselle Crane,Black-necked Crane,Eurasian Crane,White Crane,Hood Crane,White-naped Crane,Black-necked Crane,Red-crowned Crane) were analysed in this article.

本文通过对国内大量分布的这7种鹤(蓑羽鹤、白鹤、白枕鹤、白头鹤、黑颈鹤、灰鹤和丹顶鹤)的鸣声的分析，找寻可以反映这些鹤类亲缘关系的同源鸣声，并利用鸣声的主要物理特征建立这7种鹤的系统分类关系。

The corporation has 350 tons crawler crane, 275 tonnes crawler cranes, crawler crane 150 tons, 50 tons crawler crane, tower crane 100 tons, 80 tons of tower crane, 55-ton crane vehicle, Thin wall Crane, 60 tons of crane and concrete mixing stations, truck, Tanker complete construction machinery and equipment 1495 supporting Taiwan, with a total of 98,000 24208.86KW, technology and equipment reached 66,400 yuan per capita / person.

公司拥有350吨履带式起重机、275吨履带式起重机、150吨履带式起重机、50吨履带式起重机、100吨塔式起重机、80吨塔式起重机、55吨汽车式起重机、FZQ1250附壁式起重机、60吨龙门吊、混凝土搅拌站、泵车、罐车等配套齐全的施工机械设备1495台，总功率为24208.86KW，人均技术装备率达到6.64万元/人。

Henan Zhong Yuan Crame Co.,Ltd is joint-stock enterprise,mainly devolope,research and manufacture Crane of brand "Zhong Qi",namely single or double beam bridge crane ,door crane ,magnet crane ,explosionproof crane , grab crane and special crane for power station.

河南省中原起重机械有限公司是一家股份制合作工业企业，主要自行开发研制生产"中起"牌单、双梁桥式、门式起重机、电磁、防爆、抓斗、电厂专用轨起重机。

Henan Zhong Yuan Crame Co.,Ltd is joint-stock enterprise,mainly devolope,research manufacture Crane of br "Zhong Qi",namely single double beam bridge crane ,do crane ,magnet crane ,explosionproof crane , grab crane special crane f power station.

河南省中原起重机械有限公司是一家股份制合作工业企业，主要自行开发研制生产"中起"牌单、双梁桥式、门式起重机、电磁、防爆、抓斗、电厂专用轨起重机。

From the distribution maps of cranes, Red-crowned Crane, Siberain White Crane,Hooded Crane, White naped Crane are at the east part of China; Demoiselle Crane is at north of Himalayas-Crossing mountains-Qin mountain-Huai River; Black-necked Crane Qinghai-Tibet Plateau and its nearby;Common Crane has been recorded in China,except Guangxi,Guangdong,Fujian,Taiwan,Hainan Provices.

另外，在我国的西部地区有黑颈鹤、蓑羽鹤、灰鹤三种鹤分布，但较分散，相对比较集中的地区有：新疆自治区的巴音布鲁克湖区；青海省的青海湖区、三江源地区；四川省的若尔盖湿地；西藏自治区的雅鲁藏布江及其支流年楚河、拉萨河地区；云南省的西北部、东北部及贵州草海。

Domestic large enterprises have built a first-class Technology Center is a national model CAD application engineering units, equipped with scientific and technical information, standards, structure, hydraulic, transmission, electrical and many other professional researchers, with senior professional titles 33 personnel, intermediate professional 404 titles of staff and a number of national patent technology, QY300, QY130H truck crane, QUY200 crawler crane on behalf of the domestic large-tonnage mobile crane the most cutting-edge technology research and development capacity and production levels, filled a number of national mobile crane technology gaps ; have a plate pre-processing, CNC plasma cutting, pentahedral processing center, the Russian landing boring, welding robot and so on more than 2000 sets of equipment, excellent manufacturing processing capacity, improve, reaching the advanced international level; has passed ISO9000 Quality Certification Center of China Quality system certification, access to American FMRC Company Registration Certificate of ISO9001, the leading product of three varieties of four won the national silver, truck crane for 15 years, was named the "National Customer Satisfaction Product", in which truck crane QY16 was the "National Consumer Trustworthy Gold China-made cars,"with the industry's only"°"products.

建有国内大型企业一流的技术中心，是国家CAD应用工程示范单位，设有科技信息、标准、结构、液压、传动、电气等多项专业研究，拥有高级专业技术职称人员33名、中级专业技术职称人员404名及多项国家专利技术，QY300、QY130H汽车起重机、QUY200履带吊代表了国内大吨位移动式起重机最前沿的技术研发能力和生产制造水平，填补了国家移动式起重机多项技术空白；拥有板材预处理、数控等离子切割、五面体加工中心、俄罗斯落地镗、焊接机器人等2000多台套设备，制造加工能力优良、完善，达到国际先进水平；已通过中国质量认证中心ISO9000质量体系认证，获得美国FMRC公司ISO9001注册资格证书，主导产品三个品种四次荣获国家银质奖，汽车起重机连续15年被评为"全国用户满意产品"，其中QY16汽车起重机获"全国消费者信得过国产车金奖"，为同行业唯一"金榜题名"产品。

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。

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 paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。