【正文】 采煤機截割部的設(shè)計 摘 要 本文描述了中煤層電牽引采煤機整機方案設(shè)計以及截割部的設(shè)計過程。 中煤層電牽引采煤機可用于煤層厚度為 24m、煤質(zhì)中硬的緩傾斜煤層。與傳統(tǒng)的縱向布置的單電機采煤機相比，該采煤機將截割電機直接安裝在截割部殼體內(nèi)，齒輪減速裝置全部集中在截割部殼體及行星減速器內(nèi)，取消了螺旋傘齒輪、固定減速箱、搖臂回轉(zhuǎn)套等結(jié)構(gòu)，使其結(jié)構(gòu)更簡單、緊湊，可靠性更高。 截割部是采煤機直接落煤、裝煤的部分，其消耗的功率約占整個采煤機功率的80%90%，主要由截割部殼體、截割電機、齒輪減速裝置、滾筒等組成。該采 煤機的截割部采用四級傳動；前三級為直齒傳動，第四級為行星傳動。二級傳動的圓柱齒輪為可換齒輪，使輸出轉(zhuǎn)速可根據(jù)不同的煤質(zhì)硬度在兩檔速度內(nèi)選取。截割部采用了三個惰輪軸，使采煤機能夠滿足截割高度對截割部長度的要求。設(shè)計將截割部行星減速器和滾筒直接聯(lián)結(jié)，取消了安裝在滾筒上的截齒，使結(jié)構(gòu)簡單、可靠。 關(guān)鍵詞： 采煤機，截割部，結(jié)構(gòu)，設(shè)計 Machine Translation Oriented Stochastic Lexicla Semantic Driven Approach Abstract This brochure describes the type of hydraulic shearer traction unit program design and cutting the Department of Design and calculation process. traction Shearer hydraulic seam thickness can be used for 24 m, Hard coal to the gently inclined seam. With the traditional vertical layout of the singlemotor pared to Shearer, Shearer will be the rangingarm installed directly in the cutting of the shell, gear device exclusively on cutting Shell and plaary reducer, the abolition of the spiral bevel gears, gear box fixed, Rocker rotating sets of structures, their structure is simpler, more pact and higher reliability. Rangingarm of the shearer is directly charged coal, the coal loaded, its about the power consumption of the entire power shearer 80% 90%, mainly by cutting Shell, cutting electrical, Gear and drum ponents. The shearer cutting unit used four drive。 Before three straight tooth drive, the fourth level of plaary transmission. 2 Drive Gear to be for the gears, enabling the output speed can be based on different coal hardness in two tranches within the selected speed. Cutting the Department has adopted a three lazy axle, to meet the shearer cutting height on the rangingarm degree requirements. Designed to be cutting plaary reducer and drum direct link, canceled installed in the drum Pick, simple and reliable. Key words: shearer, rangingarm,structure,design 目錄 摘 要 ......................................................................................................................................... I Abstract....................................................................................................................................... II 第一章 國內(nèi)外采煤機研究及應(yīng)用概況 .................................................................................. 1 國內(nèi)外研究現(xiàn)狀 ......................................................................................................... 1 國內(nèi)外應(yīng)用狀況 ......................................................................................................... 3 第二章 傳動方案的設(shè)計 .......................................................................................................... 6 總體傳動方案的 設(shè)計 ................................................................................................. 6 傳動比分配 ............................................................................................................... 10 截割部第一級圓柱齒輪傳動設(shè)計 ........................................................................... 11 截割部第二級圓柱齒輪傳動設(shè)計 ........................................................................... 20 截割部第一級行星傳動設(shè)計 ................................................................................... 29 截割部第二級行星齒輪傳動設(shè)計 ........................................................................... 38 第三章 國內(nèi)外采煤機研究及應(yīng)用概況 ................................................................................ 47 國內(nèi)外研究現(xiàn)狀 ....................................................................................................... 47 國內(nèi)外應(yīng)用狀況 ....................................................................................................... 49 第四章 截割部輔助零部件的設(shè)計 ........................................................................................ 52 齒輪軸 1 的設(shè)計及校核 ........................................................................................... 52 第一級惰輪軸的設(shè)計及校核 ................................................................................... 56 齒輪二軸的設(shè)計及校核 ........................................................................................... 59 第二級惰輪軸的設(shè)計及校核 ................................................................................... 63 中心齒輪軸的設(shè)計及校核 ....................................................................................... 68 截割部花鍵連接強度校核 ....................................................................................... 72 第五章 輔助零部件概述 ........................................................................................................ 76 機身 ........................................................................................................................... 76 托纜裝置 ................................................................................................................... 77 噴霧冷卻系統(tǒng) ........................................................................................................... 77 輔助液壓系統(tǒng) ........................................................................................................... 79 護板及拆卸工具 ....................................................................................................... 80 螺旋滾筒 ................................................................................................................... 81 第六章 結(jié)論 ............................................................................................................................ 83 參考文獻 .................................................................................................................................. 84 內(nèi)蒙古科技大學本科畢業(yè)設(shè)計說明書 1 1 第一章 國內(nèi)外采煤機研究及應(yīng)用概況 國內(nèi)外研究現(xiàn)狀 為了提高工作面的生產(chǎn)效益 , 世界主要采煤國均紛紛致力于發(fā)展大型先進的綜采設(shè)備 , 取得了顯著的效果 , 綜采工作面的生產(chǎn) 能力和效益均大幅度提高。 我國是產(chǎn)煤大國，煤炭也是我國最主要的能源，是保證我國國民經(jīng)濟飛速增長的重要物質(zhì)基礎(chǔ)。煤炭工業(yè)的機械化是指采掘、支護、運輸、提升的機械化。其中采掘包括采煤和掘進巷道。隨著采煤機械化的發(fā)展，采煤機是現(xiàn)在最主要的采煤機械。 80 年代以來，世界各主要采煤國家，為適應(yīng)高產(chǎn)高效綜采工作面發(fā)展和實現(xiàn)礦井集中化生產(chǎn)的需要，積極采用新技術(shù)，不斷加速更新和改進滾筒采煤機的技術(shù)性能和結(jié)構(gòu)，相繼研制出一批高性能、高可靠性的“重型”采煤機。其中最具代表的是美國喬埃公司的 LS 系列，英國安德森公司的 Electr