船舶螺旋槳軸系統(tǒng)是船舶動力裝置的重要組成部

1、船舶螺旋槳軸系統(tǒng)是船舶動力裝置的重要組成部摘要近年來，隨著船舶維修制度的變革，油液監(jiān)控技術(shù)逐漸應(yīng)用于船舶設(shè)備管理領(lǐng)域。船舶螺旋槳軸系統(tǒng)是船舶動力裝置的重要組成部分，螺旋槳軸及其襯套、軸承、軸瓦的磨損程度和損壞情況直接關(guān)系到船舶安全航行。本論文根據(jù)船舶螺旋槳軸系統(tǒng)自身的特性以及外部環(huán)境等影響因素，利用領(lǐng)域?qū)＜医?jīng)驗(yàn)和相關(guān)的知識，對螺旋槳軸油液的常規(guī)理化性能檢驗(yàn)、油液光譜分析和鐵譜分析等油液檢測技術(shù)進(jìn)行了分別研究，并建立了數(shù)據(jù)處理模型，介紹了磨粒識別技術(shù)；在此基礎(chǔ)上，初步應(yīng)用了信息的綜合和融合方法對數(shù)據(jù)結(jié)果進(jìn)行了船舶螺旋槳軸滑油檢測的實(shí)例處理；并開發(fā)了一套潤滑油狀態(tài)監(jiān)控應(yīng)用軟件，用于螺旋槳軸油液分析

2、數(shù)據(jù)的存儲、分析、趨勢分析、處理過程跟蹤，以進(jìn)行故障分析與經(jīng)驗(yàn)積累。 本課題船舶螺旋槳軸狀態(tài)監(jiān)測技術(shù)其主要功能是：通過分析螺旋槳軸系統(tǒng)油樣的性能指標(biāo)變化監(jiān)控其劣化狀況；通過對油樣中的磨損元素、污染元素和添加劑元素的含量分析以及油樣中磨粒的形貌及濃度定量分析，推斷設(shè)備磨損狀態(tài)、磨損部位和嚴(yán)重程度，以及污染物對設(shè)備性能、技術(shù)狀態(tài)的影響；為系統(tǒng)滑油的使用和管理，以及螺旋槳軸系統(tǒng)的維修保養(yǎng)等工作提供科學(xué)的指導(dǎo)意見。 本論文主要采用文獻(xiàn)資料研究法、實(shí)踐研究法、案例調(diào)查分析法、歸納總結(jié)法等研究方法，其主要工作是研究設(shè)備磨損理論以及油品的性能分析的重要作用；根據(jù)各種檢測方式及數(shù)據(jù)特征，建立了各自合適的數(shù)學(xué)模

3、型；根據(jù)油液檢測多技術(shù)之特點(diǎn)，從理論上探討了檢測信息綜合和融合技術(shù)并將該技術(shù)進(jìn)行了初步的實(shí)際應(yīng)用；開發(fā)了船舶螺旋槳軸潤滑油狀態(tài)監(jiān)控應(yīng)用程序。 本研究項(xiàng)目最終要達(dá)到降低船舶螺旋槳軸系統(tǒng)的故障率、維修費(fèi)用與工作量，延長船檢周期從而提高船舶營運(yùn)率的目標(biāo)；為船舶管理公司增強(qiáng)對船舶螺旋槳軸系統(tǒng)的安全、船舶經(jīng)濟(jì)運(yùn)行與航行安全的控制力度，為船舶符合各船級社關(guān)于螺旋槳軸狀態(tài)監(jiān)控系統(tǒng)的要求，為船舶管理公司的管理技術(shù)創(chuàng)新提供技術(shù)保障。經(jīng)調(diào)研、深入分析，本論文得出如下結(jié)論：對油液檢測得出的參數(shù)數(shù)據(jù)綜合應(yīng)用趨勢分析、模糊數(shù)學(xué)、時(shí)間序列分析等數(shù)學(xué)方法，可提高狀態(tài)識別和預(yù)測的準(zhǔn)確度及可靠度；對螺旋槳軸系統(tǒng)實(shí)施狀態(tài)監(jiān)測，可

4、提高尾軸系統(tǒng)的可靠性、提高船舶的營運(yùn)率；螺旋槳軸狀態(tài)監(jiān)測亦可延長機(jī)械設(shè)備檢修和檢驗(yàn)間隔，實(shí)現(xiàn)避免不必要的拆檢造成的機(jī)器故障從而達(dá)到節(jié)省費(fèi)用的目標(biāo)。AbstractIn the last few years, with the development of ship maintenance system, oil monitoring technology is applied to ship field gradually. Ship’s stern shaft system is an important part of the ship power system, so the

5、 wearing degree and defective instance of the stern shaft and it’s bush, shaft bearingand bearing shell come down to the ship’s voyage safety directly. In this paper, according to the character of the ship stern system and the factors that effect it’s capability, such as environmen

6、t, utilizing the experience of the field expert, and combined with the practice of ship manufacturing and maintenance, namely oil quality testing, spectrometric oil analysis, and Ferrography analysis etc, is studied respectively, and then models for data processing are established and identifying te

7、chnology of Abrasive particles is introduced. On the basis of this, it has been preliminary used the synthesis and infusion methods of information to process the result of the data, using the lubricating oil measuring of several typical ship stern shaft as examples. At last, A Ship Stern Shaft Lubri

8、cant State Monitoring System is programmed. The monitoring system to ship stern shaft is used to store analyzed data, to analyze data, to do trend analysis and to scout disposed course, in order to analyze the malfunction and accumulate experience.The paper mainly adopts following research methods:

9、the method of the documents and materials, the method of practice research, the method of investigation and analysis to the case , and also, the method of induction and deduction etc. The main function of the ship stern shaft state monitoring technologyis: Analyzing the change of the parameters and

10、the quality of stern shaft system oil, monitoring the inferior change of the oil quality; Analyzing the wearing elements, contamination elements and additive elements and the debris in the oil sample, search after the affiliation between the character and the wear condition and the failure of the pa

11、rt of the device. Study the affection of the contamination in the oil to the performance and condition of the device. Colligating the primitive data, such as the type, running environment, running condition, maintenance activity etc, of the ship stern shaft system and device and theexperiment data,

12、realizing the condition monitoring and fault diagnosing technology, directing the management and using of the oil, providing advice to the maintenance and inspection of the ship stern shaft system anddevice.The main tasks of the paper are: Studying the wearing theory of equipment and the importance

13、of lubricant’s capability analysis; Establishing different but appropriate mathematics model according to different detection mode and data character; According to the characteristic of multi-technology, the paper has discussed information colligation and amalgamation technology in theory, and

14、 has put the technology into practice primarily; programming A Ship Stern Shaft Lubricant State Monitoring application.The final aim of the study item is to reduce the failure rate, repair & maintenance expense and workload of ship stern shaft system，to prolong the cycle of ship inspection and t

15、o enhance ship working rate. It canalso help ship management department to strengthen the safety of ship stern shaft system, the economical working and the safety of sail. It helps ship management to accord with the criterion about ship screw shaft state monitoring system of Classification Societies

16、. It provides technology protection to the technology innovation of the ship management department.On the basis of many kinds of investigation and in-depth analysis, this thesis draws the following conclusions: synthetically using the mathematics method such as trend analysis, fuzzy mathematics andt

17、ime series analysis toanalyze the parameter data drawn from the fluid measure, we can improve the accuracy and reliability of state recognition and prediction; implementing the state monitoring to propeller shaft system, we can raise the dependability of the stern and axle system, and also raise the

18、 operation rate of boat; The state monitoring of the propeller shaft can also lengthen the overhaul and checkout interval of themechanical equipments, thus prevent mechanical disordering caused by unnecessary dismantling and save expenses.Meng Zhaoyu(Marine Engineering) Directed by Zheng ShijunKey Words: oil monitoring, stern shaft system, data mode, software programmed目錄第一章緒論…11.1 船舶尾軸狀態(tài)監(jiān)測的意義與途徑…11.2 當(dāng)前船舶尾軸管理、維修與檢驗(yàn)概況…21.3 課題背景…41.4 本論文的主要任務(wù)和內(nèi)容4第二章 磨損故障機(jī)理及狀況監(jiān)測的研究…72.1 機(jī)械設(shè)備磨損故障及有關(guān)概念72.2 機(jī)械設(shè)備磨損機(jī)理及磨損過程監(jiān)測