本文選題：頂驅(qū) + 主傳動系統(tǒng)　； 參考：《吉林大學(xué)》2015年碩士論文

【摘要】：深部大陸科學(xué)鉆探連續(xù)取芯鉆進施工，對鉆進轉(zhuǎn)速、鉆進工藝、取芯鉆探效率和低成本提出了更高的要求。傳統(tǒng)的轉(zhuǎn)盤鉆進方式采用單根鉆桿鉆進，效率低，操作勞動強度大，，并且容易發(fā)生井下事故。相比于轉(zhuǎn)盤單根鉆進，頂驅(qū)采用立根鉆進，大幅度縮短了鉆桿上卸扣的輔助作業(yè)時間，極大的提高了鉆進效率。頂驅(qū)可在任意高度上驅(qū)動鉆柱，并保證鉆井液連續(xù)循環(huán)，能有效防止卡鉆、蹩鉆等井下事故發(fā)生，即便井下出現(xiàn)異常，也可及時處理，鉆井安全性及鉆機自動化進程取得階段性跨越。國外頂驅(qū)技術(shù)比較成熟，電驅(qū)動頂驅(qū)和液壓驅(qū)動頂驅(qū)都有系列化產(chǎn)品，但針對地質(zhì)鉆探的應(yīng)用較少。而國內(nèi)頂驅(qū)以電驅(qū)動頂驅(qū)為主，液壓驅(qū)動頂驅(qū)的成熟產(chǎn)品較少。 本文基于“國家深部探測技術(shù)與實驗研究專項（SinoProbe-09-05）”子課題高速大扭矩全液壓頂驅(qū)研制項目，重點研究全液壓頂驅(qū)主傳動系統(tǒng)。本文在總結(jié)國內(nèi)外頂驅(qū)及其主傳動系統(tǒng)發(fā)展現(xiàn)狀的基礎(chǔ)上，從主傳動系統(tǒng)結(jié)構(gòu)和液壓系統(tǒng)兩方面進行研究：結(jié)構(gòu)方面重點研究整個齒輪箱的承載性能；液壓系統(tǒng)方面重點研究閉式回路油液升溫情況。 首先，介紹了全液壓頂驅(qū)總體結(jié)構(gòu)和工作原理，重點研究了主傳動系統(tǒng)傳動方案和工作原理，并確定了關(guān)鍵技術(shù)參數(shù)。其次，利用Romax軟件搭建齒輪箱的虛擬樣機模型，對各個部件進行詳細分析，結(jié)果表明箱體和軸的強度和剛度滿足要求；軸承的疲勞壽命和安全系數(shù)滿足實際工況要求；斜齒輪接觸和彎曲強度安全系數(shù)均較高；齒輪修型后強度進一步提高，同時傳動也更加平穩(wěn)。然后，在研究閉式回路油液升溫的原因以及泵和馬達效率情況的基礎(chǔ)上，利用AMESim軟件搭建閉式回路熱力學(xué)仿真模型，研究系統(tǒng)內(nèi)部油液升溫情況，結(jié)果表明合理的選擇補油泵排量和控制好補油泵吸入油液溫度可以保證油溫溫度在合理的范圍內(nèi)；為了控制好補油泵吸入油液溫度，對油箱散熱系統(tǒng)進行了研究，結(jié)果表明該散熱系統(tǒng)能夠起到降低油箱油溫的作用。最后，樣機實驗測試表明高速大扭矩全液壓頂驅(qū)的主傳動系統(tǒng)的承載性能和閉式回路油溫滿足設(shè)計要求。
[Abstract]:Continuous coring drilling in deep continental scientific drilling puts forward higher requirements for drilling speed, drilling technology, core-drilling efficiency and low cost. The traditional rotary disc drilling method adopts single drill pipe, which has low efficiency, high working intensity, and is prone to underground accidents. Compared with single rotary disc drilling, vertical root drilling is used in top drive, which greatly shortens the auxiliary working time and greatly improves drilling efficiency. Top drive can drive drill string at any height, and ensure continuous circulation of drilling fluid. It can effectively prevent underground accidents, such as drilling jam and lame-drilling. Even if abnormal occurs in downhole, it can be dealt with in time. Drilling safety and drilling machine automation process has made a step-by-step leap. Overseas top drive technology is mature, electric top drive and hydraulic drive top drive have series products, but the application of geological drilling is less. Domestic top drive is mainly electric top drive, hydraulic top drive is less mature products. In this paper, based on the project of "Sino Probe-09-05", the main driving system of full hydraulic top drive is studied. On the basis of summing up the development of top drive and its main transmission system at home and abroad, this paper studies the structure of main drive system and hydraulic system. The hydraulic system focuses on the closed loop oil heating situation. Firstly, the overall structure and working principle of full hydraulic top drive are introduced, the transmission scheme and working principle of main drive system are studied emphatically, and the key technical parameters are determined. Secondly, the virtual prototype model of gear box is built with Romax software, and the results show that the strength and stiffness of the box and shaft meet the requirements, and the fatigue life and safety factor of the bearing meet the requirements of actual working conditions. The safety coefficient of contact and bending strength of helical gear is higher, and the strength of gear is further improved after modification, and the transmission is more stable. Then, on the basis of studying the cause of oil heating in closed loop and the efficiency of pump and motor, the thermodynamic simulation model of closed loop is built by using AMESim software to study the oil heating inside the system. The results show that the reasonable selection of the pump displacement and the control of the suction oil temperature of the filling pump can ensure the oil temperature within a reasonable range, and in order to control the suction oil temperature of the filling pump, the heat dissipation system of the oil tank is studied. The results show that the heat dissipation system can reduce the oil temperature of the tank. Finally, the prototype test shows that the load bearing performance of the main drive system and the oil temperature of the closed loop can meet the design requirements of the full hydraulic top drive with high speed and large torque.
【學(xué)位授予單位】：吉林大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：TE928

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