crane portal 中文意思是什麼

crane portal 解釋
起重機門座
  • crane : n 克蘭〈姓氏〉。n 1 鶴；〈口語〉蒼鷺，鷺鷥，鸛；〈C 〉【天文學】天鶴座。2 起重機，吊車，攝影升降...
  • portal : n 波特爾〈姓氏〉。n 1 （大建築物的）入口；正門；橋門；隧道門。2 〈詩〉門，入門。3 【解剖學】門靜...
  1. Based on the previous research on the portal crane administration, one standpoint put forward in this paper is idea that is on the foundation of reliability in this paper, two viewpoints take shape when reason is analyzed, that is fatigue break and appearing the flaw that will extend. what is the fatigue break ? ( this phenomenon is always happen in some place ), the fatigue is that board appears apophysis and concave when the board is pressed. so that the board ability of bearing the weight of load will descend

    本論文建立在已有的港口裝卸機械管理的研究基礎之上，進一步提出了以可靠性為基礎的港口裝卸機械的管理思想，已有的研究表明，港口機械設備破壞主要由於兩個原因，第一是穩定性問題，特別是構件的局部穩定性，所謂穩定性是指：在板的平面內，板受到平行於板面的壓力作用，使板發生隆起、內陷等凹凸不平的結果，從而使板受載能力減弱；第二是結構出現疲勞裂紋及其擴展，這是由於設備長時期運行，而造成設備某些部位出現裂紋並得以擴展，使設備承載能力下降。
  2. Traveling portal jib crane

    移動式懸臂起重機
  3. Travelling portal jib crane

    移動式懸臂吊車
  4. The author has a whole design of the scheme of m10 ton portal crane. the software used by control system in ladder is also given in this article

    對m10t門機的總體改造方案進行了設計，並用梯形圖編寫了系統控制軟體。
  5. The total area of the corporation covers about 200 chinese acres and the length of coastline is about 1, 140 meters, the auxiliary facilities have taken shape the main facility and the equipment include the 30, 000 dwt dry dock which is 192 meters long by 40 meters wide the gate width 32 meters and 10 meters deep, is to date the biggest dry dock in fujian province ; one fitting wharf length 65 meters, width 17 meters ; 16 tons portal crane 1 set, 16 tons gantry crane 1 set, mobile cranes 50t1 25t1 12t2 8t4 and other necessary transportation, coatings, the precision work equipment supplying air 120 m min, spraying grit more than 4, 000 m day, renews the steel plate 12 15 t day we can finish repairing all kinds of ships under 40, 000 dwt within 7 to 10 days our corporation obtains the first - class dockyard to repair and build steel - made ships lisence in 2001, passed the national environmental protection appraisal in august 2002, was designated shipbuilding in fujian for maintaining foreign ships in octobet 2002, the dry dock, passage channel, the turning area, fitting wharf are passed by passage safety appraisal in march, 2003

    主要設施和設備有： 3萬噸級干船塢一座長192米寬40米塢門凈寬32米深10米是福建省目前最大的干船塢舾裝碼頭一座長65米寬17米16噸門座起重機1臺10噸門吊1臺汽車吊8臺50噸1臺25噸1臺12噸2臺8噸4臺以及與其相配套的運輸噴塗精加工設備。每分種供氣120立方米，日噴砂面積4000多平方米，日換鋼板15 20噸。一般修船工期為7 10天。
  6. 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。
  7. This paper discusses creative long - distance slippage and dragging technology based on the success in extra - wide, extra - high and extra - weight large portal crane transferring

    根據超寬、超高、超重的大型龍門起重機整機搬遷工程的成功實例，分析其具有原創意義的超長距離滑移拖曳工藝。
  8. Taking the natural frequency arid the ratio of frequency drop as input characteristic parameters, crack damage in the cylindrical supporting shell of a portal crane is diagnosed and its length and position are forecasted, applying finite element emulation and artificial neural network technologies

    摘要應用有限元模擬技術和人工神經網路模型，以反映結構損傷程度的固有頻率和損傷的頻率下降率作為神經網路輸入的特徵參數，對門座起重機筒形支柱上出現的裂紋損傷長度和位置進行了綜合診斷和預測分析。
  9. The critical crack and stress put forward provides theoretic foundation for monitoring portal machine. 3. applying steady theory of board, studying the problem of early curvature, flexibility model, welding remaining stress, elastic transmutation and brace condition and so on, conclude that structure of beam is primary place where metal structure of portal crane lose stabilization and the break of main beam is result of losing partial stabilization of main board

    文章提出的界限應力和臨界裂紋對于港口機械的監測提供了理論依據； 3 、運用板的穩定理論，探索了作為薄壁構件的門機金屬結構在失穩破壞中所涉及到的初曲率問題、彈性模量問題、焊接殘余應力問題、彈塑性變形問題以及支承條件問題等，得出了門機金屬結構發生失穩破壞的主要部位為臂架結構，且主臂架的折斷是由於受壓翼板局部失穩引起整體破壞； 4 、探討了焊接對結構承載的影響。
  10. Repairing technigue rules for the harbour portal crane

    港口門座起重機修理技術規范
  11. Repairing technique rules for the harbour portal crane

    港口門座起重機修理技術規范
  12. Specifications for the harbour portal crane

    港口門座起重機技術條件
  13. Safety code for the harbour portal crane

    港口門座起重機安全規程
  14. This paper also takes a deep research on the application of the vibration monitoring technique to the portal crane

    本文還對振動監測技術在門座起重機上的應用，進行了深入的研究。
  15. The vibration course of the working mechanism of the portal crane has its particularity

    門座式起重機的工作機構振動歷程有特殊性。
  16. Based on the deep analysis of the reasons of the cracking of the gear table cylinder of the 16t - 33m portal crane, this paper puts forward the repairing way of the cylinder and fully calculates to confirm

    基於對16t ? 33m門座式起重機轉臺筒體開裂的原因的深入分析，論文提出了筒體修復方案，並給以充分地計算論證。
  17. Based on the 40t - 43m portal crane, this paper analyzes deeply the problems which happen when the vibration monitoring technique is applied to the portal crane and puts forwards the ways of applying vibration monitoring technique to the lifting mechanism, enacts the original values of the relative judgement criteria of the lifting mechanism of the 40t - 43m portal crane and makes a under structure for the future state monitoring of crane

    本文以40t ? 43m門座式起重機為對象，深入分析了振動監測技術在門機上應用所遇到的問題，提出了起升機構振動監測的方法，並制定了40t - 43m門座式起重機起升機構振動狀態相對判斷標準的初始值，為以後門座式起重機狀態的監測打下基礎。
  18. Slewing portal crane

    旋臂轉柱起重機
  19. Portal crane is primary handling device in portal work

    門機金屬結構的失效事故，後果往往非常嚴重。
  20. Frequent fault diagnose and repair of the turbine speed reducer in portal crane

    門機蝸輪減速箱常見故障的診斷及維修
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