查询词典 jib sheet

Head, crane operation with fixed fly jib, crane operation with luffing fly jib, crane Superlift operation with main boom, crane Superlift operation with fixed fly jib, and crane Superlift operation with luffing fly jib.

QUY600 QUY800 该系列产品最显著的特征是带超起工况。具有主臂重型臂工况、主臂轻型臂工况、固定副臂工况、塔式副臂工况，以及超起主臂工况、超起固定副臂工况、超起塔式副臂工况。

This article mainly includes: taking lowest weight as optimization goal, criterionrequest as restrict, optimization programme on jib arm structure of giant floatingcrane design is written based on genetic algorithm;according to jib arm structure ofgiant floating crane which is being designed and other former ones, size and structureform of jib arm are deeply discussed, furthermore, relatively reasonable jib armstructure scheme is proposed.

课题主要内容：以结构重量最轻为优化目标、以规范要求为约束条件、使用遗传算法编制了起重机臂架优化设计计算程序，根据目前正在设计建造的和国内已有的起重臂架结构，在对拔杆式臂架的尺寸及结构形式进行了充分讨论研究的基础上，提出相对合理的臂架结构设计方案和设计思路。

The business model of this system is: The purchasing agent who operates the authority log-in www.gdmec.net, beginning direct purchase, this system offers two to purchase the entry , which are establish inquiry sheet manually and establish inquiry sheet in Synchronism, after entering procedure of purchasing , choosing the products from supplier's catalogue of purchasing, confirming inquiry sheet that is salesman of supplier that send , then filling in the basic information of the inquiry sheet, then sending the inquiry sheet; Then fill in the basic information of the inquiry sheet , then send the inquiry sheet; The supplier's salesman receives after the inquiry sheet, and then the products that will buy are offered to purchasing, purchase and then get quotation sheet can carry on counter-offer and carry on the rate of exchange to different quotation of supplier to receive, supplier offer and purchase square course of counter-offer not to can circulate, satisfied with quotation of supplier until purchase, the purchasing agent chooses to offer a satisfactory supplier and carry on the fixed price , turn into the order, the supplier receives after the order wanting to provide and respond, after accepting the order, should purchase the procedure and end .

本系统的业务模型为：具有操作权限的采购员登录国电物资商务网，进行直接采购，本系统提供两个采购入口，分别为手动创建询价单和同步创建询价单，在进入采购流程后，从供应商采购目录中选择产品，并确定该询价单要发送的供应商的销售员，接着填写询价单的基本信息，然后发送询价单；供应商的销售员接收到询价单后，针对采购方要购买的产品进行报价，采购方接收到报价单后可以进行还价和对不同的供应商的报价进行比价，供应商报价和采购方还价的过程可以循环，直到采购方满意供应商的报价为止，采购员选择报价满意的供应商进行定价，生成订单，供应商接收到订单后要给出回应，接受订单后，该采购流程宣告结束。

Main product:The Roll-Forming M/C for bolting corrugated sheet,boltless corrugated sheet,C-section/Z-section purlin,Roof Sheet special for Latticed Frame,Floor Decking Sheet,Roll Shutter Sheet,Binding Angle Sheet,Tile-Roof Sheet,Large-Span Roof Sheet,etc.

主要产品：锁螺钉瓦板、无钉隐藏式瓦板、C型及Z型檩条、网架专用及大跨度屋面板、楼面钢承板、卷帘门板、包角板、琉璃瓦板、大跨度拱形屋面板成型设备及其各种配套设备和彩板安装专用工具等。

This paper presents classification of car steel sheet in Cherry Car Co.and introduction and description of practical propery tests,applications of super deep draw steel IF- cold rolled high strength sheet,bake hardening sheet- cold rolled dual phase steel sheet,TRIP sheet,Sandwich steel sheet and pickled oil steel sheet.

介绍了奇瑞公司轿车用超深冲IF钢板、冷轧高强度钢板、烘烤硬化钢板、冷轧双相钢板、相变诱导塑性钢板、减振复合钢板和热轧酸洗钢板的实际性能试验及应用，分析了国内外部分钢种的实际成分和性能以及用高强度钢板制造车身的减振效果，并对薄钢板和典型表面件的抗凹刚度和抗凹深度进行了检测。

A large jib used on a racing yacht.One of two spars or booms projecting from the side of a bowsprit for spreading the jib or flying-jib guys.

左右撑杆从船首斜桁侧边支出的两根圆杆或桅桁下的一根，用于展开三角帆或伸开三角帆的绳索

This paper analyses the operation characteristic of portal jib crane,and discuss selecting principle and calculation formulas of motor and capacity which frequency inverter and it's brake type and accessory of the AC variable frequency and speed regulation applied to portal jib crane , finally introduce case which CHV190 inverter applied in portal jib crane .

本文分析了门座式起重机的运行特点，详细阐述了英威腾 CHV190起重机专用变频器用于门座式起重机调速时的电动机、变频器及其制动方式的选型原则和变频器周边设备的容量计算方法，最后介绍了 CHV190变频器在门座式起重机中的应用案例。

Point to take MQ2535 portal crane jib system as to research object, take finite element and mechanical kinetics as to theoretical fundamental, make use of ansys8.1 to emulate jib systemic at the course of luffing in dynamics , obtain luffing procedural dynamics data of rigid body and elastic body of the jib system , according to those data,which is to improve these system designs beneficial conclusion henceforth.

针对以上问题，本文以MQ2535门座起重机臂架系统为研究对象，以有限元和机械动力学为理论基础，借助ANSYS8.1对臂架系统的变幅过程进行了动力学仿真，得到了臂架系统刚体和弹性体变幅过程的动力学数据，从数据中得到了对今后改善该系统设计的有益结论。

The jib system of portal crane is considered to be elastomer in this paper. Besides, taking finite element as basic theory and mechanical dynamics as analysis method,the paper simulates the virtual luffing process of jib system and seeking the relationship between plane movement and dynamic pressure condition of jib system using ANSYS8.1. By analyzing ,the paper gives some advice on structure optimizing.

针对以上问题，本文以MQ2535门座起重机臂架系统为研究对象，将门座起重机整个臂架系统视为弹性体，以机械动力学和有限元为理论基础和分析手段，运用有限元软件ANSYS8.1模拟臂架系统的实际变幅过程，探寻物品在变幅过程中水平移动与臂架系统结构动态受力之间的关系；通过分析其受力情况，对其结构的优化提出了一些建议。

A circle shear device for cutting holes in sheet metal as in claim 1 wherein: a said upper center shaft includes a first platform member disposed rotatably connected adjacent a lower end of said upper center shaft for supporting a top surface of said provided metal sheet; b said lower center shaft includes a second platform member disposed rotatably connected adjacent an upper end of said lower center shaft for supporting a bottom surface of said provided metal sheet; and c said upper and lower support platform members engaging top and bottom surfaces of said provided metal sheet to prevent metal sheet movement when said cutter wheels are brought into shearing contact with said provided metal sheet.

一个圈剪切装置切割孔金属板材作为权利要求1 ，其中： A ）表示，上中心轴，包括第一次会员平台弃置rotatably连接相邻较低月底上说，中心轴为支持一个顶面的表示，提供金属板材； B ）表示，较低的中心轴，包括第二个平台会员弃置rotatably连接相邻上月底表示，较低的中心轴为支持一个底部表面的说，提供金属板材； C ）表示，上，下支撑平台成员从事顶部和底部表面的表示，提供金属板，以防止金属板运动时说，刀车轮被带入剪切接触说，提供金属板材。

Sample preparation, chromatogram conditions, extractant and section of the standard sample are tested and discussed.

对样品制备、色谱条件、萃取剂和内标物选择进行了试验和讨论。

Their methods for making architecture model are complex. What's more, most of them can be intrinsically ranked automatic random test program generator, which results in low verification efficiency.

本文在我们提出的微处理器体系结构级测试程序自动生成框架的基础上，完成了如下工作： 1、用户约束描述语言的设计和约束编译器的实现。