本文選題：管道卡壓連接　切入點：密封　出處：《哈爾濱工程大學(xué)》2011年碩士論文　論文類型：學(xué)位論文

【摘要】：由于管道的材料、性能、用途等不同,其連接方法也不盡相同,本文介紹了管道的卡壓式連接技術(shù),該方法在連接前不需要對管道的端部進(jìn)行任何處理,方法簡單。采用卡壓式連接方法進(jìn)行管道連接時,需通過液壓站輸出的液壓油驅(qū)動專用的加載裝置對卡壓接頭進(jìn)行加載,利用卡壓接頭的密封面產(chǎn)生彈塑性變形來填滿接觸面的間隙,從而實現(xiàn)管道密封。本文來源于《管道非焊接連接技術(shù)研究》的技術(shù)合同,對管道卡壓連接技術(shù)和連接機具的結(jié)構(gòu)進(jìn)行了設(shè)計研究。論文主要完成如下工作： 本文首先在了解國內(nèi)外相關(guān)技術(shù)研究發(fā)展情況的基礎(chǔ)上,分析了卡壓式管道連接的密封機理和連接原理,并根據(jù)連接機具的技術(shù)要求,提出總體設(shè)計方案,并在總體方案的基礎(chǔ)上對主機機械、液壓系統(tǒng)進(jìn)行了方案的設(shè)計 在此基礎(chǔ)上,對卡壓接頭的端部穩(wěn)定性和連接過程中的受力進(jìn)行分析,模擬該連接過程,并分析密封環(huán)的形式和彈性模量對卡壓接頭應(yīng)力和應(yīng)變的影響；同時通過ANSYS軟件對卡壓接頭的密封性能進(jìn)行分析,指出影響密封性能的主要因素,并完成了卡壓接頭的研制。 對加載裝置的結(jié)構(gòu)進(jìn)行了設(shè)計,對主要零部件進(jìn)行強度分析,并利用運動仿真證明其結(jié)構(gòu)設(shè)計的合理性。同時完成液壓控制系統(tǒng)的設(shè)計方案,并進(jìn)行了設(shè)計計算和液壓元件的選型。 通過對管道卡壓接頭的連接實驗和密封實驗,將實驗結(jié)果與有限元分析的結(jié)果進(jìn)行對比分析,驗證了卡壓接頭結(jié)構(gòu)設(shè)計的合理性、有限元仿真結(jié)果的正確性以及良好的密封性能。
[Abstract]:Because of the different materials, properties and uses of the pipeline, the connection method is different. This paper introduces the technology of the pipe clamping connection, which does not need any treatment to the end of the pipe before the connection. The method is simple. When using the clamped connection method to connect the pipe, it is necessary to load the clamping joint through the special loading device of hydraulic oil driven by the hydraulic station. The sealing surface of the clamped joint is used to produce elastic-plastic deformation to fill the gap of the contact surface, thus the pipeline seal is realized. In this paper, the technology of pipe clamping connection and the structure of connecting machine are designed and studied. The main work of this thesis is as follows:. Based on the research and development of related technologies at home and abroad, this paper analyzes the sealing mechanism and connection principle of the clamped pipe connection, and puts forward the overall design scheme according to the technical requirements of the connecting machines and tools. On the basis of the overall scheme, the design of the main machine and hydraulic system is carried out. On this basis, the stability of the end of the joint and the stress during the connection are analyzed, and the connection process is simulated, and the influence of the form of seal ring and the elastic modulus on the stress and strain of the joint is analyzed. At the same time, the sealing performance of the clamping joint is analyzed by ANSYS software, the main factors affecting the sealing performance are pointed out, and the development of the clamping joint is completed. The structure of the loading device is designed, the strength of the main parts is analyzed, and the rationality of the structure design is proved by using the motion simulation. At the same time, the design scheme of the hydraulic control system is completed. The design calculation and the selection of hydraulic components are also carried out. Through the connection experiment and sealing experiment of the pipe compression joint, the result of the experiment is compared with the result of the finite element analysis, and the rationality of the structure design of the clamped joint is verified. The correctness of finite element simulation results and good sealing performance.
【學(xué)位授予單位】：哈爾濱工程大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2011
【分類號】：TH137.9

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