【摘要】：機(jī)電復(fù)合驅(qū)動鉆機(jī)在一定程度上即解決了純機(jī)械鉆機(jī)傳動系統(tǒng)結(jié)構(gòu)復(fù)雜,傳動效率低,安裝不便的缺點。而且并車系統(tǒng)中節(jié)能發(fā)電機(jī)的加入,又使此類鉆機(jī)具有良好的經(jīng)濟(jì)性和實用性。但在實際鉆井過程中,柴油機(jī)調(diào)速范圍小時,不能滿足鉆井工藝對泥漿流量變化的要求,頻繁更換缸套又會降低鉆井效率,增大工人勞動強(qiáng)度;柴油機(jī)調(diào)速范圍過大時,會導(dǎo)致節(jié)能發(fā)電機(jī)的發(fā)電頻率不滿足用電設(shè)備的要求,影響電器設(shè)備的使用性能。因此,如何解決配置節(jié)能發(fā)電機(jī)后,泥漿泵泵沖的調(diào)節(jié)和節(jié)能發(fā)電機(jī)正常工作允許輸入轉(zhuǎn)速的問題,成為限制此類鉆機(jī)推廣和發(fā)展的關(guān)鍵。針對以上問題,對7000米機(jī)電復(fù)合驅(qū)動鉆機(jī)研發(fā)了一種新型鏈條并車系統(tǒng)。主要研究內(nèi)容如下:1)設(shè)計了新型并車傳動系統(tǒng)的傳動方案和動力傳動軸的結(jié)構(gòu)形式,通過控制并車箱內(nèi)部的換擋機(jī)構(gòu),實現(xiàn)了在盡可能不改變缸套尺寸且節(jié)能發(fā)電正常工作的前提下,通過離合器和換擋撥叉機(jī)構(gòu)多檔位調(diào)節(jié)泥漿泵的泵沖,使泥漿達(dá)到不同流量連續(xù)輸出的目的。2)分析了并車傳動系統(tǒng)驅(qū)動絞車和泥漿泵時的各種作業(yè)工況,對危險工況下的傳絞車軸、并車軸和傳泵軸的疲勞強(qiáng)度、剛度進(jìn)行了校核計算;對于軸上的重要零部件及配合等進(jìn)行了壽命和承載能力計算。3)根據(jù)并車箱內(nèi)部結(jié)構(gòu)特點,并考慮了系統(tǒng)潤滑、散熱要求以及吊裝運(yùn)輸?shù)纫蛩?設(shè)計了并車箱的箱體。通過ANSYS Workbench有限元分析軟件對并車箱箱體進(jìn)行了結(jié)構(gòu)優(yōu)化分析,使得并車箱在滿足設(shè)計功能要求、剛度和強(qiáng)度的前提下,達(dá)到減輕重量,結(jié)構(gòu)合理,方便運(yùn)輸?shù)哪康摹?)設(shè)計了新型并車傳動箱的潤滑和散熱系統(tǒng)。按照實際作業(yè)工況,進(jìn)行潤滑和冷卻系統(tǒng)的熱負(fù)荷分析,對潤滑油油量進(jìn)行了計算,并利用雙管路實現(xiàn)對潤滑油油量的控制,通過在回油流道上設(shè)置散熱翅片增大散熱面積,同時采用外置空氣冷卻器對潤滑油進(jìn)行冷卻降溫。
[Abstract]:To a certain extent, the electromechanical compound drive rig solves the disadvantages of complex structure, low transmission efficiency and inconvenient installation of pure mechanical drilling rig. And the addition of energy-saving generator in parallel system makes this kind of drilling rig have good economy and practicability. However, in the actual drilling process, the diesel engine speed adjustment range is small, which can not meet the requirements of drilling technology for mud flow change, frequent replacement of cylinder liner will reduce drilling efficiency and increase the labor intensity of workers. If the speed range of diesel engine is too large, the generation frequency of energy-saving generator will not meet the requirements of electric equipment, which will affect the performance of electrical equipment. Therefore, how to solve the problem that how to regulate the pump impulse of mud pump and allow the input speed of energy-saving generator in normal operation is the key to restrict the popularization and development of this kind of drilling rig. Aiming at the above problems, a new chain parallel system is developed for the 7000 meter electromechanical compound drive rig. The main research contents are as follows: 1) the transmission scheme of the new parallel drive system and the structural form of the power transmission shaft are designed. On the premise of not changing the cylinder liner size as much as possible and saving energy to generate electricity normally, the pump flushing of mud pump can be adjusted by multi-gear mechanism of clutch and shifting fork. The purpose of continuous output of mud with different flow rate is analyzed. 2) all kinds of working conditions when parallel drive system drives winch and mud pump are analyzed, and fatigue strength of transmission winch shaft, axle and pump shaft under dangerous condition are analyzed. The stiffness is checked and calculated. The service life and bearing capacity of the important parts and coordination on the axle are calculated. 3) according to the internal structural characteristics of the carton and taking into account the factors of system lubrication, heat dissipation and hoisting and transportation, the box body of the carton is designed. The structural optimization analysis is carried out through ANSYS Workbench finite element analysis software, which can reduce the weight and make the structure reasonable under the premise of satisfying the design function, rigidity and strength. The purpose of convenient transportation. 4) the lubrication and heat dissipation system of the new parallel transmission box is designed. According to the actual working condition, the heat load analysis of lubrication and cooling system is carried out, the oil quantity of lubricating oil is calculated, and the oil quantity of lubricating oil is controlled by using two pipes. The heat dissipation fin is set up on the return oil channel to increase the area of heat dissipation. At the same time, the external air cooler is used to cool the lubricating oil.
【學(xué)位授予單位】：西安石油大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：TE922

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