發(fā)布時(shí)間：2018-02-12 14:55

  本文關(guān)鍵詞： 齒輪齒條自升式海洋鉆井平臺(tái) 升降裝置 大傳動(dòng)比減速器 齒輪齒條爬升裝置 物理樣機(jī)　出處：《上海交通大學(xué)》2015年碩士論文　論文類型：學(xué)位論文

【摘要】：隨著世界經(jīng)濟(jì)的飛速發(fā)展,海洋開(kāi)發(fā)己經(jīng)成為世界技術(shù)革新的重要內(nèi)容,而海洋油氣田的開(kāi)發(fā)又是現(xiàn)今海洋資源開(kāi)發(fā)利用中尤為重要的一部分,其主要裝備就是自升式海洋鉆井平臺(tái)。現(xiàn)今,國(guó)內(nèi)使用的鉆井平臺(tái)中的升降裝置基本都由國(guó)外制造,國(guó)內(nèi)對(duì)其升降裝置的分析相對(duì)較少。所以,探討和研究這一方面的內(nèi)容對(duì)提升我國(guó)海洋平臺(tái)設(shè)計(jì)建造水平意義深遠(yuǎn)。本文以齒輪齒條自升式海洋鉆井平臺(tái)升降裝置為研究對(duì)象,圍繞其大傳動(dòng)比減速器和齒輪齒條爬升裝置主要做了以下幾方面的研究工作:(1)對(duì)復(fù)合行星齒輪減速器做了優(yōu)化設(shè)計(jì),以優(yōu)化結(jié)果為基礎(chǔ)研制了符合要求的大傳動(dòng)比L型減速器;并利用機(jī)械動(dòng)力學(xué)分析軟件ADAMS對(duì)設(shè)計(jì)方案進(jìn)行了動(dòng)力學(xué)的分析,由此驗(yàn)證設(shè)計(jì)的合理性,同時(shí)得到減速器的穩(wěn)定性會(huì)隨著載荷的變大而變差的結(jié)論;(2)對(duì)齒輪齒條自升式海洋鉆井平臺(tái)的爬升裝置工作原理進(jìn)行了研究分析,闡明了低速重載齒輪齒條爬升裝置的總體設(shè)計(jì);并基于有限元法對(duì)齒輪齒條進(jìn)行了靜態(tài)和動(dòng)態(tài)的接觸分析,得到了應(yīng)力較大部位均出現(xiàn)在嚙合接觸面上和齒根部位的結(jié)論;隨后在此基礎(chǔ)上對(duì)其參數(shù)又做了一定的優(yōu)化設(shè)計(jì),以提高齒輪齒條的強(qiáng)度;(3)在前文優(yōu)化設(shè)計(jì)的基礎(chǔ)上,完成了升降裝置等比例物理樣機(jī)的制造,并按ABS船級(jí)社要求對(duì)其進(jìn)行了原型試驗(yàn)。檢驗(yàn)了升降裝置在空載和超載狀態(tài)下的承重能力,并在試驗(yàn)結(jié)束后將整機(jī)拆開(kāi),對(duì)各部分進(jìn)行了無(wú)損檢測(cè)。檢測(cè)數(shù)據(jù)證明該升降裝置設(shè)計(jì)合理,實(shí)現(xiàn)預(yù)定目標(biāo),符合ABS船級(jí)社要求。
[Abstract]:With the rapid development of the world economy, ocean development has become an important part of the technological innovation in the world, and the development of offshore oil and gas fields is a particularly important part in the development and utilization of marine resources. The main equipment is the jack-up offshore drilling platform. Nowadays, most of the lifting devices used in the domestic drilling platforms are manufactured abroad, and the domestic analysis of the lifting devices is relatively few. It is of great significance to explore and study this aspect to improve the level of design and construction of offshore platforms in China. This paper takes the hoisting gear rack self-elevating offshore drilling platform as the research object. The main research work of this paper is as follows: (1) the optimization design of composite planetary gear reducer is done, and the L type reducer with large transmission ratio is developed on the basis of the optimization results. The dynamic analysis of the design scheme is carried out by using the mechanical dynamics analysis software ADAMS, which verifies the rationality of the design. At the same time, the conclusion that the stability of the reducer will become worse with the increase of the load is obtained. The working principle of the climbing device of the gear rack jack-up offshore drilling platform is studied and analyzed. The general design of gear rack climbing device with low speed and heavy load is expounded, and the static and dynamic contact analysis of gear rack based on finite element method is carried out, and the conclusion that the large stress parts appear on the meshing contact surface and the tooth root part is obtained. On the basis of the above, the parameters are optimized to improve the strength of the gear rack. On the basis of the previous optimization design, the manufacture of the lifting device and other proportional physical prototypes is completed. The prototype test was carried out according to the requirements of the ABS Classification Society. The load-bearing capacity of the lifting device under the condition of no-load and overload was tested, and the whole machine was disassembled after the test. The nondestructive testing is carried out for each part. The test data prove that the lifting device is reasonable in design, achieves the predetermined target, and meets the requirements of ABS classification society.
【學(xué)位授予單位】：上海交通大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：TE951

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本文編號(hào)：1505894