luffing crane 中文意思是什麼
luffing crane
解釋
動臂起重機-
Travelling luffing crane
移動式俯仰起重機 -
Brief description of the luffing cable - crane used for the construction of yangtze three gorges project
三峽工程施工用擺塔式纜索起重機簡介 -
A new - type quayside container crane with jib - bridge luffing system as the main working part is brought out
摘要提出一種以臂橋架變幅系統為主要工作機構的岸邊集裝箱起重機。 -
A brand - new jib - bridge luffing system of crane is brought out based on analysis of the limitation to handle containers of the portal crane
摘要在分析門座起重機用於集裝箱裝卸作業的局限性的基礎上，提出一種新型的起重機變幅系統。 -
This ship is a non - propelled fixed luffing 500t steel crane vessel. this vessel is mainly used to lift and hookup the concrete components, bridge blocks, mechanical electrical equipments for harbours, bays, quays and jetty
建港304為非自航固定變幅式500噸鋼質起重船，主要用於中國南海沿海各港灣港口及內河碼頭和堤岸的混凝土構件橋梁機電設備等吊裝工程。 -
According to the technological data of the large lorry crane ' s pictures in foreign countries, we use the method of photo - view anti - processing, gain the luffing mechanism ' s structural measure parameter
摘要根據國外大型隨車起重機的圖片等技術資料，運用影像反求圖解的方法，得出其變幅機構的近似尺寸。 -
By use of adams software and the mechanical system, the simulating design and optimum analysis of the lorry crane luffing mechanism and the best structural parameters were get based on the original data of anti - processing measure
採用目前使用最廣泛的機械繫統模擬分析軟體adams軟體，以反求設計尺寸為初值進行隨車機變幅機構的動態模擬設計和優化分析，以期獲得合理的尺寸參數。 -
Combining the design of portal crane luffing mechanism, this paper set up the math model independently and synthetically of the single boom system with compensating pulley and level - balancing weight. use genetic algorithms to optimize the model, the calculated results show as follows the genetic algorithms is effective and manipulable, the synthetically optimize is best than independently optimize. the optimization program of luffing mechanism was build, and this will be a useful tool in the design of crane
結合門座起重機變幅機構的設計，建立了導向滑輪補償系統和杠桿? ?活對重臂架自重平衡系統獨立模型和綜合模型的未平衡力矩最小的優化問題，結合遺傳演算法對它進行了優化，結果證實了該演算法的有效性和可行性，表明了綜合優化比獨立優化更能提高優化的準確性。 -
The optimization design of portal crane luffing system is the result that optimization design apply in engineering design, but because the engineering problem is complicated, the traditional optimization design method is not very successful. in this paper, the optimization of the single boom system with compensating pulley and level - balancing weight is studied. in the math model, the wire rope length encircled in the pulley and reel is considered, that enhance the optimization precision and introduce genetic algorithms, combine engineering tightly, that settle the difficult in the traditional optimization successfully
門機變幅系統優化設計是將優化設計方法應用於工程設計中的產物，但由於設計工程問題的復雜性，採用傳統的優化設計方法優化的成功率及效果並不理想。本文以單臂架變幅機構導向滑輪補償系統和杠桿? ?活對重臂架自重平衡系統的獨立模型及綜合模型為研究對象，考慮了滑輪和捲筒處包繞的鋼絲繩長度變化，從而提高了優化模型的精度，同時引進一種新型優化演算法? ?遺傳演算法，緊密結合工程實際，較為圓滿的解決優化過程中存在的問題。 -
The fuzzy optimization mathematical model is built with the optimization target of minimizing the volume of tooth corona of worm gear in luffing mechanism of tower crane
摘要以塔式起重機變幅機構中蝸輪齒冠體積最小為優化目標，建立了模糊優化設計的數學模型。
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