發(fā)布時(shí)間：2018-01-11 11:35

  本文關(guān)鍵詞：不壓井修井機(jī)撬裝式液控系統(tǒng)研制　出處：《沈陽工業(yè)大學(xué)》2015年碩士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 不壓井修井機(jī) 液壓缸互鎖 防爆比例泵 比例變量泵控系統(tǒng)

【摘要】：隨著油田開采技術(shù)的逐漸成熟,更環(huán)保、更快捷的開采方式越來越得到重視。沈陽工業(yè)大學(xué)自主研發(fā)了不壓井修井機(jī)撬裝式液控系統(tǒng),用于修井作業(yè)。該液控系統(tǒng)與井架配合,可以在油(汽)井口帶壓情況下進(jìn)行修井作業(yè)。不壓井修井機(jī)撬裝式液壓控制系統(tǒng)是將所有液壓、電器、操作手柄等部件安裝在一個(gè)可移動(dòng)的液控房中的設(shè)備。該液控設(shè)備可由汽車運(yùn)送到油田井口附近完成修井作業(yè)。操作人員是在液控房中完成舉升缸的升降、防噴器的開關(guān)及其它一些輔助性的操作工作。在介紹了不壓井修井機(jī)總體設(shè)計(jì)要求和指標(biāo)的基礎(chǔ)上,將液控系統(tǒng)分成液壓方案、撬裝式液控房方案和輔助電器控制系統(tǒng)以及檢測(cè)反饋單元方案三個(gè)部分進(jìn)行分析、設(shè)計(jì)。液壓方案設(shè)計(jì)中介紹了液壓設(shè)計(jì)思想,給出了液壓設(shè)計(jì)原理圖以及元件的選型方案,討論了例如液壓缸互鎖、比例變量泵的防爆實(shí)現(xiàn)方式等問題的解決方法。液控房方案設(shè)計(jì)中討論了液控房尺寸選擇,以及設(shè)備總體布置方式。輔助電器控制系統(tǒng)以及檢測(cè)反饋單元方案討論了設(shè)備電器系統(tǒng)設(shè)計(jì)、選型,以及接箍檢測(cè)系統(tǒng)的研制。最后針對(duì)系統(tǒng)中舉升缸舉升速度自動(dòng)控制系統(tǒng)的建立進(jìn)行數(shù)學(xué)模型,分析實(shí)際情況下,各部分的傳遞關(guān)系并推導(dǎo)出傳遞函數(shù),進(jìn)而推導(dǎo)比例變量泵控系統(tǒng)數(shù)學(xué)模型。利用MATLAB及Simulink對(duì)數(shù)學(xué)模型進(jìn)行研究、仿真及優(yōu)化。通過觀察速度輸出曲線及系統(tǒng)伯德圖,可以看出,控制系統(tǒng)穩(wěn)定性較好。
[Abstract]:With the maturation of oilfield production technology, more and more attention has been paid to the more environmentally friendly and faster way of exploitation. Shenyang University of Technology has independently developed the pried hydraulic control system of the workover machine. It is used in workover operation. The hydraulic control system and Derrick can be used for workover under the condition of oil (steam) wellhead pressure. A device installed in a movable hydraulic control room with operating handles and other components. The hydraulic control equipment can be transported by car to the oil field near the well head to complete the workover. The operator completes the lifting and lifting of the cylinder in the hydraulic control room. The switch of blowout preventer and other auxiliary operation work. The hydraulic control system is divided into hydraulic scheme on the basis of introducing the general design requirements and indexes of the workover machine. The hydraulic design idea is introduced in the design of the pry hydraulic control room, the auxiliary electrical apparatus control system and the test feedback unit. The hydraulic design schematic diagram and the selection scheme of the components are given. For example, the interlocking of the hydraulic cylinder is discussed. The methods to solve the problems such as the explosion-proof way of proportional variable pump and the selection of the size of the hydraulic control room are discussed in the design of the hydraulic control room. As well as the general layout of the equipment, the auxiliary electrical control system and the test feedback unit scheme discussed the design and selection of the equipment electrical system. And the development of the hoop detection system. Finally, the mathematical model of the automatic control system of lifting speed of lifting cylinder in the system is carried out, and the transfer relation of each part is analyzed and the transfer function is deduced. Then the mathematical model of the proportional variable pump control system is deduced. The mathematical model is studied, simulated and optimized by using MATLAB and Simulink. The velocity output curve and the system Byrd diagram are observed. It can be seen that the stability of the control system is good.
【學(xué)位授予單位】：沈陽工業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：TE935

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