發(fā)布時(shí)間：2019-01-19 12:26

【摘要】：坑道鉆探可以利用舊礦區(qū)已有的井、巷對(duì)深部資源進(jìn)行勘探,能夠滿足深部資源勘探的需求�？拥楞@機(jī)是坑道鉆探的核心設(shè)備,我國(guó)目前生產(chǎn)的坑道鉆機(jī)的鉆深、轉(zhuǎn)速、扭矩等參數(shù)已經(jīng)不能滿足深孔金剛石繩索取芯鉆進(jìn)工藝參數(shù)的要求。在參閱坑道鉆機(jī)技術(shù)參數(shù)及工作原理相關(guān)文獻(xiàn)的基礎(chǔ)上,對(duì)繩索取芯坑道鉆機(jī)的發(fā)展現(xiàn)狀進(jìn)行了總結(jié),并結(jié)合具體的取芯工藝要求,設(shè)計(jì)出一種全液壓坑道巖心鉆機(jī),按照鉆機(jī)的一般設(shè)計(jì)流程和方法對(duì)鉆機(jī)的機(jī)械機(jī)構(gòu)及液壓回路進(jìn)行了設(shè)計(jì)。主要開展了以下研究工作:(1)通過文獻(xiàn)及市場(chǎng)調(diào)研,總結(jié)了坑道鉆機(jī)的發(fā)展現(xiàn)狀及市場(chǎng)需求,確定了鉆機(jī)的基本參數(shù),并根據(jù)基本參數(shù)計(jì)算了執(zhí)行機(jī)構(gòu)的主要技術(shù)參數(shù)。(2)確定了鉆機(jī)的布局方式,整機(jī)包括鉆進(jìn)單元、動(dòng)力單元以及操作臺(tái)。采用滑橇式底盤裝載。(3)對(duì)各執(zhí)行機(jī)構(gòu)的負(fù)載特性進(jìn)行分析,根據(jù)其性能要求確定了各個(gè)回路的調(diào)速調(diào)壓方式:回轉(zhuǎn)回路、升降回路、取芯絞車回路以及泥漿泵驅(qū)動(dòng)回路采用負(fù)載敏感回路;鉆進(jìn)回路采用恒壓鉆進(jìn)回路。確定了雙泵雙系統(tǒng)的動(dòng)力分配方式,進(jìn)而擬定了整機(jī)液壓原理圖。(4)計(jì)算了液壓元件的技術(shù)參數(shù),選定了液壓馬達(dá)、液壓泵、電動(dòng)機(jī)的類型、規(guī)格。設(shè)計(jì)了雙活塞桿兩級(jí)伸縮油缸,并采用活塞桿固定方式安裝以增加動(dòng)力頭行程。
[Abstract]:Tunnel drilling can make use of the existing wells and roadways in old mining areas to explore deep resources, which can meet the needs of deep resources exploration. Tunnel drilling rig is the core equipment of tunnel drilling. The drilling depth, rotation speed, torque and other parameters of tunnel drilling rig produced at present in China can no longer meet the requirements of drilling technology parameters of deep-hole diamond rope core-drilling. On the basis of consulting the technical parameters and working principle of the tunnel drilling rig, this paper summarizes the development status of the rope coring drill, and designs a kind of fully hydraulic tunnel core drill combined with the concrete requirements of the coring technology. The mechanical mechanism and hydraulic circuit of drilling rig are designed according to the general design flow and method of drilling rig. The main research work is as follows: (1) through literature and market research, the development status and market demand of tunnel drilling rig are summarized, and the basic parameters of drilling rig are determined. According to the basic parameters, the main technical parameters of the actuator are calculated. (2) the layout of the drilling rig is determined, which includes drilling unit, power unit and operating table. Using skid chassis loading. (3) the load characteristics of each actuator are analyzed. According to its performance requirements, the speed regulation and voltage regulation methods of each loop are determined: the rotary circuit, the lifting circuit, The load sensitive loop is used in the cored winch circuit and the mud pump driving circuit. The drilling circuit adopts constant pressure drilling circuit. The power distribution mode of double pump and double system is determined, and the hydraulic principle diagram of the whole machine is worked out. (4) the technical parameters of hydraulic components are calculated, and the types and specifications of hydraulic motor, hydraulic pump and motor are selected. The double piston rod two-stage expansion cylinder is designed, and the piston rod is fixed to increase the stroke of the power head.
【學(xué)位授予單位】：中國(guó)地質(zhì)大學(xué)(北京)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：TD421

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