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- Research on Dynamic Braking of Exigent Brake of Casting Crane Main Hoist Mechanism 鑄造起重機主起升機構緊急制動器動態制動研究
- Hoisting and lowering goods through Hoisting mechanism. 通過卷揚機構實現貨物的起升與下降功能。
- The mast assem-bly supports the rotary drill head and its hoisting mechanism. 支架組件支持轉動鑽頭及其提升機構。
- Calculation of overrunning clutch in a large tyre crane hoisting mechanism is conducted. 在此基礎上,以某大型輪胎起重機起升機構的超越離合器為例,進行扭轉剛度的分析。
- The invention provides a hoisting device for bobbin creels, which comprises a bobbin creel and a hoisting mechanism. 本發明提供一種筒子支撐架的升降裝置,包括筒子支撐架及升降機構;
- It also performs optimal design of hoist mechanism and provides basis for application and research on it. 對起重吊臂機構進行了優化設計,建立了起重吊臂優化設計程序,為工程應用和進一步研究提供了依據。
- The device is comprised of transparent well bore, hoisting mechanism, gravel packing device, data acquisition system and image processing system. 該裝置由透明模擬試驗井筒、起升系統、礫石充填設備、數據採集和圖象處理系統五大部分組成。
- 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. 通過對抓鬥提升機構的「鋼絲繩補償」和抓鬥開閉機構的「電流補償」實現了抓鬥式卸船機物料抓取優化控制。
- 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. 對起升機構的利用等級和載荷譜進行了研究,指出了工作循環次數和載荷譜係數的變化對起升機構設計的影響。
- 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. 摘要根據三峽擺塔式纜索起重機起升機構的具體結構特點,對其機構特性進行分析闡述;
- The choice of the main hoist in boiler construction 鍋爐主力吊裝機械的選擇
- This paper describes the characteristics of girder, trolley, hook, hoisting mechanism and electrical system of large ladle cranes, based on comparing their comprehensive performances. 本文對大型鑄造起重機的綜合性能進行了比較,歸納分析了橋架、小車、吊具、各機構結構形式及電氣控制系統的特點。
- Main Hoist Electric Control System Transform 主井北提升機電控系統改造
- 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. 本系統大小車機構採用CT變頻器及S7-200PLC,兩起升機構採用能耗自激制動,常規控制,副起升機構,凸輪控制。
- The hoisting mechanisms can be controled independently through the controlvalve. 主、副卷揚通過換向閥的控制,可單獨操縱。
- For hoisting mechanisms of cranes, the braking method of load producing braking torque is the safest. 由載荷產生制動力矩是起重機起升機構最安全的制動方法。
- 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. 提升機是礦井主要機電設備之一,確保其安全正常運轉,提高工作效率,降低故障影響時間至關重要,文章介紹了潘一主井提升機出現深度指示故障后通過修改SD傳動控制及PLC程序解決絞車位置跳變故障的一種快速有效的方法。
- The main impediment to growth is a lack of capital. 影響發展的主要障礙是缺乏資本。
- Main Hoisting System for Intelligent Main Order Furnace 高爐主卷系統的智能控制
- Crowds thronged the main square of the city. 城裡的大廣場上擠滿了人群。