本文選題：鉆桿自動(dòng)輸送裝置 + 動(dòng)力學(xué)�。� 參考：《吉林大學(xué)》2015年碩士論文

【摘要】：鉆桿自動(dòng)輸送裝置俗稱自動(dòng)貓道，隸屬鉆機(jī)地面外圍裝備，用于實(shí)現(xiàn)鉆桿在鉆井平臺(tái)和地面排放架之間自動(dòng)化的往復(fù)運(yùn)送。目前國(guó)內(nèi)很多井場(chǎng)仍然使用以人工操作方式為主的傳統(tǒng)貓道來(lái)運(yùn)移鉆桿，造成了工人勞動(dòng)強(qiáng)度大、安全性差、自動(dòng)化程度低及鉆具損壞嚴(yán)重等現(xiàn)象，遠(yuǎn)遠(yuǎn)落后于國(guó)外先進(jìn)的鉆井行業(yè)技術(shù)，因此國(guó)內(nèi)鉆井行業(yè)的這些問(wèn)題亟待解決。本文以鉆桿自動(dòng)輸送裝置為研究對(duì)象，對(duì)工作裝置的結(jié)構(gòu)組成及工作原理、關(guān)鍵部件的參數(shù)計(jì)算、節(jié)能效果以及動(dòng)態(tài)特性等問(wèn)題進(jìn)行了探討，主要研究?jī)?nèi)容和結(jié)論如下： 本文首先介紹了鉆桿自動(dòng)輸送裝置的研究背景和意義，在閱讀相關(guān)文獻(xiàn)的基礎(chǔ)上，綜述了國(guó)內(nèi)外鉆桿輸送裝置的研究及應(yīng)用現(xiàn)狀。根據(jù)鉆桿自動(dòng)輸送裝置的設(shè)計(jì)要求和工作流程，對(duì)工作裝置的起升機(jī)構(gòu)、送桿機(jī)構(gòu)以及節(jié)能機(jī)構(gòu)的結(jié)構(gòu)和工作原理進(jìn)行了分析，并對(duì)鉆桿自動(dòng)輸送裝置的關(guān)鍵部件在極限載荷下的力學(xué)特性及結(jié)構(gòu)參數(shù)計(jì)算、液壓系統(tǒng)主要元件的選型應(yīng)用等問(wèn)題進(jìn)行了研究。 其次，運(yùn)用多體動(dòng)力學(xué)軟件ADAMS建立了鉆桿自動(dòng)輸送裝置多剛體動(dòng)力學(xué)模型，對(duì)其進(jìn)行運(yùn)動(dòng)學(xué)和動(dòng)力學(xué)仿真分析，，提取了鉆桿的速度、位移和加速度、變幅液壓缸推力以及送桿機(jī)構(gòu)各鉸點(diǎn)受力等動(dòng)態(tài)特性變化曲線，驗(yàn)證了理論計(jì)算結(jié)果，評(píng)價(jià)了鉆桿自動(dòng)輸送裝置的工作性能。 最后，在多剛體動(dòng)力學(xué)模型基礎(chǔ)上，基于有限元軟件ANSYS和多體動(dòng)力學(xué)軟件ADAMS建立了變幅液壓缸活塞桿、伸縮液壓缸活塞桿、副動(dòng)臂及挺桿柔性化的鉆桿自動(dòng)輸送裝置剛?cè)狁詈蟿?dòng)力學(xué)模型，根據(jù)仿真結(jié)果，一方面提取了考慮結(jié)構(gòu)彈性變形時(shí)鉆桿的速度、位移和加速度特性曲線，與多剛體模型的仿真結(jié)果進(jìn)行對(duì)比分析，驗(yàn)證了關(guān)鍵部件的剛度滿足設(shè)計(jì)要求；另一方面，提取了變幅液壓缸活塞桿、伸縮液壓缸活塞桿、副動(dòng)臂及挺桿部件的應(yīng)力云圖及危險(xiǎn)位置節(jié)點(diǎn)的動(dòng)態(tài)應(yīng)力變化曲線，驗(yàn)證其強(qiáng)度均滿足要求，結(jié)果表明在剛?cè)狁詈夏Ｐ蜅l件下工作裝置同樣具有良好的工作性能。通過(guò)對(duì)鉆桿自動(dòng)輸送裝置動(dòng)態(tài)特性的研究，驗(yàn)證了工作裝置的可行性，縮短了研發(fā)周期，為鉆桿自動(dòng)輸送裝置后續(xù)的優(yōu)化設(shè)計(jì)提供了理論指導(dǎo)，具有較高的工程應(yīng)用參考價(jià)值。
[Abstract]:The automatic conveying device of drill pipe is commonly called automatic catwalk, which belongs to the peripheral equipment of drilling rig. It is used to realize the automatic reciprocating transportation of drill pipe between drilling platform and ground discharge rack. At present, many wells in our country still use the traditional catwalk, which is mainly manual operation, to move the drill pipe, which results in the heavy labor intensity of workers, poor safety, low automation and serious damage to drilling tools, etc. It lags far behind the advanced drilling technology in foreign countries, so these problems need to be solved urgently in domestic drilling industry. In this paper, the structure and working principle of the drill pipe automatic conveyer are studied. The parameters calculation of the key components, the energy saving effect and the dynamic characteristics are discussed. The main contents and conclusions are as follows: This paper first introduces the research background and significance of drill pipe automatic conveyer, and summarizes the research and application status of drill pipe conveyer at home and abroad on the basis of reading relevant literature. According to the design requirements and working flow of the drill pipe automatic conveyer, the structure and working principle of the hoisting mechanism, the feeding mechanism and the energy saving mechanism of the working device are analyzed. The mechanical characteristics and structural parameters of the key components of the drill pipe automatic conveying device under the limit load and the selection and application of the main components of the hydraulic system are also studied. Secondly, the multi-rigid-body dynamics model of the drill pipe automatic conveying device is established by using multi-body dynamics software ADAMS. The kinematics and dynamics simulation analysis is carried out, and the velocity, displacement and acceleration of the drill pipe are extracted. The dynamic characteristic curves of the variable amplitude hydraulic cylinder thrust and the stress on the pivot points of the feed rod mechanism are used to verify the theoretical calculation results and to evaluate the working performance of the drill pipe automatic conveying device. Finally, on the basis of the multi-rigid body dynamics model, based on the finite element software ANSYS and the multi-body dynamics software ADAMS, the variable amplitude hydraulic cylinder piston rod and the telescopic hydraulic cylinder piston rod are established. According to the simulation results, the velocity, displacement and acceleration characteristic curves of the drill pipe considering the elastic deformation of the structure are obtained. Compared with the simulation results of the multi-rigid body model, the stiffness of the key components meets the design requirements. On the other hand, the piston rod of the variable amplitude hydraulic cylinder and the piston rod of the telescopic hydraulic cylinder are extracted. The stress cloud diagram of the accessory arm and tappet and the dynamic stress change curve of the node at the dangerous position verify that its strength meets the requirements. The results show that the working device also has good working performance under the condition of rigid-flexible coupling model. Through the study of the dynamic characteristics of the drill pipe automatic conveying device, the feasibility of the working device is verified, the research and development cycle is shortened, and the theoretical guidance is provided for the subsequent optimization design of the drill pipe automatic conveying device, which has a high engineering application reference value.
【學(xué)位授予單位】：吉林大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：TE928

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