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- Research on Dynamic Braking of Exigent Brake of Casting Crane Main Hoist Mechanism 铸造起重机主起升机构紧急制动器动态制动研究
- Hoisting and lowering goods through Hoisting mechanism. 通过卷扬机构实现货物的起升与下降功能。
- The mast assem-bly supports the rotary drill head and its hoisting mechanism. 支架组件支持转动钻头及其提升机构。
- Calculation of overrunning clutch in a large tyre crane hoisting mechanism is conducted. 在此基础上,以某大型轮胎起重机起升机构的超越离合器为例,进行扭转刚度的分析。
- The invention provides a hoisting device for bobbin creels, which comprises a bobbin creel and a hoisting mechanism. 本发明提供一种筒子支撑架的升降装置,包括筒子支撑架及升降机构;
- It also performs optimal design of hoist mechanism and provides basis for application and research on it. 对起重吊臂机构进行了优化设计,建立了起重吊臂优化设计程序,为工程应用和进一步研究提供了依据。
- The device is comprised of transparent well bore, hoisting mechanism, gravel packing device, data acquisition system and image processing system. 该装置由透明模拟试验井筒、起升系统、砾石充填设备、数据采集和图象处理系统五大部分组成。
- Optimization of grab control system of the ship unloader is realized by using slack rope compensation in hoisting mechanism and current compensation in opening/closing mechanism. 通过对抓斗提升机构的“钢丝绳补偿”和抓斗开闭机构的“电流补偿”实现了抓斗式卸船机物料抓取优化控制。
- Also utilization grade and load spectrum of hoisting mechanism is discussed and influence of operation cycles and load spectrum coefficient on hoisting mechanism design is shown. 对起升机构的利用等级和载荷谱进行了研究,指出了工作循环次数和载荷谱系数的变化对起升机构设计的影响。
- The hoisting mechanism of the luffing cable crane used in the Three Gorge project features four falls rope winding and has a rope guiding device to ensure correct rope winding. 摘要根据三峡摆塔式缆索起重机起升机构的具体结构特点,对其机构特性进行分析阐述;
- The choice of the main hoist in boiler construction 锅炉主力吊装机械的选择
- This paper describes the characteristics of girder, trolley, hook, hoisting mechanism and electrical system of large ladle cranes, based on comparing their comprehensive performances. 本文对大型铸造起重机的综合性能进行了比较,归纳分析了桥架、小车、吊具、各机构结构形式及电气控制系统的特点。
- Main Hoist Electric Control System Transform 主井北提升机电控系统改造
- Gantry and trolley mechanism adopts CT inverter and S7-200PLC, two hoisting mechanism adopts energy consumption self-excitation brakes, conventional control, and an extra auxiliary lifting mechanism. 本系统大小车机构采用CT变频器及S7-200PLC,两起升机构采用能耗自激制动,常规控制,副起升机构,凸轮控制。
- The hoisting mechanisms can be controled independently through the controlvalve. 主、副卷扬通过换向阀的控制,可单独操纵。
- For hoisting mechanisms of cranes, the braking method of load producing braking torque is the safest. 由载荷产生制动力矩是起重机起升机构最安全的制动方法。
- The paper introduces a speedy effective way how to solve winch location jump by modifying SD drive control and PLC program after main hoist of panyi coal mine hoists appears depth indication fault. 提升机是矿井主要机电设备之一,确保其安全正常运转,提高工作效率,降低故障影响时间至关重要,文章介绍了潘一主井提升机出现深度指示故障后通过修改SD传动控制及PLC程序解决绞车位置跳变故障的一种快速有效的方法。
- The main impediment to growth is a lack of capital. 影响发展的主要障碍是缺乏资本。
- Main Hoisting System for Intelligent Main Order Furnace 高炉主卷系统的智能控制
- Crowds thronged the main square of the city. 城里的大广场上挤满了人群。